Source: https://patents.google.com/patent/CN102361777B/en
Timestamp: 2020-01-29 09:17:53
Document Index: 187630841

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CN102361777B - Device for generating sound to outside of vehicle - Google Patents
Device for generating sound to outside of vehicle Download PDF
CN102361777B
CN102361777B CN201080005559.3A CN201080005559A CN102361777B CN 102361777 B CN102361777 B CN 102361777B CN 201080005559 A CN201080005559 A CN 201080005559A CN 102361777 B CN102361777 B CN 102361777B
CN201080005559.3A
CN102361777A (en
表朝子
青柳贵久
谷口琢也
小城户智能
2010-05-26 Application filed by 三菱电机株式会社 filed Critical 三菱电机株式会社
2010-05-26 Priority to PCT/JP2010/003528 priority Critical patent/WO2011148417A1/en
2012-02-22 Publication of CN102361777A publication Critical patent/CN102361777A/en
2014-06-18 Publication of CN102361777B publication Critical patent/CN102361777B/en
A device for generating sound to the outside of a vehicle is provided with a memory device (2-A) which stores determining conditions that contain descriptions of vehicle situations where travel areas are determined to be dangerous areas; and a navigation device (1-A) which obtains information showing vehicle situations. A comparison is made between the information obtained by the navigation device (1-A) and the determining conditions stored in the memory device (2-A), and it is determined whether the vehicle is traveling in a dangerous area. In a case where the vehicle is determined to be traveling in a dangerous area, the outputting of warning sound is not stopped even if a switch (4) for giving instructions to stop outputting warning sound is operated.
Flexible piezoelectric sound-generating devices outside car
The present invention relates to a kind of flexible piezoelectric sound-generating devices outside car, this flexible piezoelectric sound-generating devices outside car is loaded into electronlmobil etc. to carry out on electric motor driven vehicle, exists and outside car, produces sound in order to make people perceive this car.
For carry out the vehicle of work with electrical motor as electronlmobil and hybrid vehicle, the sound that travels is less than the vehicle that carrys out work with driving engine, thereby is difficult to make pedestrian around to perceive its process.Therefore, there is a kind of trend just to be promoted,, in order to notify towards periphery the danger bringing that approaches by vehicle, outside car, produce the warning tones such as man made noise.
On the other hand, under reference standard conditions, although produce warning tones, to use as prerequisite in the case of the safety around guaranteeing, also allow configuration to suspend sounding switch.Just travelling on the region that there is no pedestrian at this car, chaufeur can be by stopping producing warning tones (man made noise) with this time-out sounding switch.
But, in the case of chaufeur can freely be controlled the generation of warning tones and stops, if even need the situation of warning tones but also to keep stopping producing the state of warning tones constant, likely cannot produce warning tones at crucial moment.
In addition, in recent years, although propose condition of road surface, the time period outside with good grounds car and have or not the various conditions such as pedestrian and automatically produce the system of warning tones, but in the situation that user makes warning tones stop producing, after stopping until before automatically exporting warning tones, inevitably generation time postpones.
And, cannot guarantee under the situation of safety, the in the situation that of warning tones being stopped in any control system of user, likely can produce pedestrian and note the running time approaching less than this car.This does not meet the object of original warning tones generation device, thereby can cause danger.
For example, in patent documentation 1, disclose and be provided with the vehicle alarm device that unit is forbidden in restriction, if the starting of vehicle (this car) detected, even if the distance between Ben Che and other vehicles is below reference range, described restriction forbids that unit also forbids stopping of alarm or reduce the output size of alarm.
But, in this device, can be to the generation of alarm and the situation that stops controlling as prerequisite take user, in addition, be that the action during to starting vehicle limits.
Therefore, be present in and need to, to producing the region of warning tones outside car, cannot avoid user to stop the danger of warning tones at this car.
Can the present invention completes in order to address the above problem, and its object is, obtain and a kind ofly can whether just travel on hazardous location according to vehicle, to stopping by user the flexible piezoelectric sound-generating devices outside car that warning tones is controlled.
Patent documentation 1: Japanese Patent Laid-Open 2006-264525 communique
Flexible piezoelectric sound-generating devices outside car involved in the present invention comprises: sound generating unit, and this sound generating unit produces the sound outside car; Storage part, this storage portion stores is to the Rule of judgment that judges that the area of travelling is described for the situation of the vehicle of dangerous zone; Information acquiring section, this information acquiring section is obtained the information of the situation that represents vehicle; Judging part, this judging part by the information of the situation by the accessed expression vehicle of information acquiring section, compare with the described Rule of judgment read from storage part, thereby whether this vehicle is just being travelled on to dangerous zone judges; And control part, this control part is controlled the output of sound generating unit, even and carried out indication from outside and stop the predetermined operation of output sound, if but be judged as vehicle by judging part and just travelling on dangerous zone, the output of sound generating unit do not stopped yet.
According to the present invention, described flexible piezoelectric sound-generating devices outside car comprises: sound generating unit, and this sound generating unit produces the sound outside car; Storage part, this storage portion stores is to the Rule of judgment that judges that the area of travelling is described for the situation of the vehicle of dangerous zone; And information acquiring section, this information acquiring section is obtained the information of the situation that represents vehicle, described flexible piezoelectric sound-generating devices outside car is by the information of the situation by the accessed expression vehicle of information acquiring section, compare with the Rule of judgment read from storage part, thereby whether this vehicle is just being travelled on to dangerous zone judges, even if carried out indicating the predetermined operation that stops output sound from outside, if just travelling on dangerous zone but be judged as vehicle, also do not stopping the output of sound generating unit.By like this, just travelling on dangerous zone if be judged as this vehicle according to the situation of vehicle, can forbid that user stops arbitrarily the output of sound.Thus, thus have and can produce reliably sound and can improve the effect in the safety of this area in the area of travelling of travelling that should aware this car.
Fig. 1 is the integrally-built block diagram that represents the system of using the flexible piezoelectric sound-generating devices outside car of the present invention.
Fig. 2 is the integrally-built block diagram that represents the system of the flexible piezoelectric sound-generating devices outside car that uses embodiment 1.
Fig. 3 is the figure that represents to be stored in an example (example 1) of the judgement form in memory storage.
Fig. 4 is the figure of other examples (example 2) of representing to be stored in the judgement form in memory storage.
Fig. 5 is the figure of other examples (example 3) of representing to be stored in the judgement form in memory storage.
Fig. 6 is the figure of other examples (example 4) of representing to be stored in the judgement form in memory storage.
Fig. 7 represents the figure that changes between island and dangerous zone along with travelling of vehicle.
Fig. 8 is the block diagram of the structure of the warning tones closing control inhibiting apparatus of presentation graphs 1, Fig. 2.
Fig. 9 is the block diagram of the structure of the warning tones generation device of presentation graphs 1, Fig. 2.
Figure 10 is the block diagram of other structures of the warning tones generation device of presentation graphs 1, Fig. 2.
Figure 11 is the diagram of circuit of the flow process of the action that represents that the flexible piezoelectric sound-generating devices outside car of embodiment 1 carries out.
Figure 12 is the diagram of circuit that represents the interrupt routine of system finishing.
Figure 13 is the diagram of circuit that represents the flow process of the interruption processing corresponding with switching manipulation.
Figure 14 is the diagram of circuit that represents the flow process of other the interruption processing corresponding with switching manipulation.
Figure 15 is the integrally-built block diagram that represents the system of the flexible piezoelectric sound-generating devices outside car that uses embodiments of the present invention 2.
Figure 16 is the figure that represents to be stored in an example (example 1) of the judgement form in the memory storage of embodiment 2.
Figure 17 is the figure that represents to be stored in an example (example 2) of the judgement form in the memory storage of embodiment 2.
Figure 18 is the figure that represents to be stored in an example (example 3) of the judgement form in the memory storage of embodiment 2.
Figure 19 is the diagram of circuit of the flow process of the action that represents that the flexible piezoelectric sound-generating devices outside car of embodiment 2 carries out.
Figure 20 is the integrally-built block diagram that represents the system of the flexible piezoelectric sound-generating devices outside car that uses embodiments of the present invention 3.
Figure 21 is the figure that represents to be stored in an example (example 1) of the judgement form in the memory storage of embodiment 3.
Figure 22 is the figure that represents to be stored in an example (example 2) of the judgement form in the memory storage of embodiment 3.
Figure 23 is the figure that represents to be stored in an example (example 3) of the judgement form in the memory storage of embodiment 3.
Figure 24 is the diagram of circuit of the flow process of the action that represents that the flexible piezoelectric sound-generating devices outside car of embodiment 3 carries out.
Figure 25 is the integrally-built block diagram that represents the system of the flexible piezoelectric sound-generating devices outside car that uses embodiments of the present invention 4.
Figure 26 is the figure that represents to be stored in an example (example 1) of the judgement form in the memory storage of embodiment 4.
Figure 27 is the figure that represents to be stored in an example (example 2) of the judgement form in the memory storage of embodiment 4.
Figure 28 is the figure that represents to be stored in an example (example 3) of the judgement form in the memory storage of embodiment 4.
Figure 29 is the diagram of circuit of the flow process of the action that represents that the flexible piezoelectric sound-generating devices outside car of embodiment 4 carries out.
Figure 30 is the integrally-built block diagram that represents the system of the flexible piezoelectric sound-generating devices outside car that uses embodiments of the present invention 5.
Figure 31 is the figure that represents to be stored in an example (example 1) of the judgement form in the memory storage of embodiment 5.
Figure 32 is the figure that represents to be stored in an example (example 2) of the judgement form in the memory storage of embodiment 5.
Figure 33 is the figure that represents to be stored in an example (example 3) of the judgement form in the memory storage of embodiment 5.
Figure 34 is the figure that represents to be stored in an example (example 4) of the judgement form in the memory storage of embodiment 5.
Figure 35 is the diagram of circuit of the flow process of the action that represents that the flexible piezoelectric sound-generating devices outside car of embodiment 5 carries out.
Below, in order to illustrate in greater detail the present invention, with reference to the accompanying drawings, to describing for implementing mode of the present invention.
Fig. 1 is the integrally-built block diagram that represents the system of using the flexible piezoelectric sound-generating devices outside car of the present invention.In Fig. 1, this system comprises dangerous zone information acquisition device (information acquiring section) 1, dangerous zone judging part (judging part) 2, memory storage (storage part) 2-A, warning tones closing control inhibiting apparatus (control part) 3, switch 4, warning tones generation device (control part) 5, the outer loud speaker 6 of car, internal loudspeaker (prompting part) 7 and read out instrument (prompting part) 8.In addition, in the following description, this car of the warnings such as peripherad pedestrian (pedestrian is perceived) sound that travel, outside car is designated as to warning tones.Even if be called warning tones, also not necessarily as siren etc., make people associate the sound of emergency situation, as long as informing to pedestrian etc. the sound of the situation that has vehicle, can be any sound.Sound by way of caution, be preferably as making people recall the sound the continuant of motoring condition of the vehicles such as gasoline automobile, diesel car or motor bike take existing combustion engine as propulsion source, but can be also the sound as being sent by flute, bell or drum etc.
Dangerous zone information acquisition device 1 is the device that obtains the area information that this car just travelling, and is made up of at least one device among homing advice, sensor portion, pick up camera portion and car-mounted device.The structure of these devices will be narrated in the present embodiment below and embodiment 2～embodiment 5.
Dangerous zone judging part 2 be based on by the accessed area information just travelling of dangerous zone information acquisition device 1 and be stored in the Rule of judgment of the regulation in memory storage 2-A, whether road area that this car is travelled be the structural portion that dangerous zone judges.
Warning tones closing control inhibiting apparatus 3 is in the time that the running region that is judged as this car by dangerous zone judging part 2 is dangerous zone, exports the device of warning tones closing control inhibit signal to switch 4 and warning tones generation device 5.
Switch 4 is the switches (suspending sounding switch) for warning tones being carried out for user switch control., the operation of this switch 4 is equivalent to indicate from outside the predetermined operation that stops exporting warning tones (sound to car).In addition, if switch 4 receives warning tones closing control inhibit signal, output signal is controlled, made user can not stop arbitrarily warning tones.
The device that the generation of warning tones is controlled as the warning tones generation device 5 of sound generating unit, via the outer loud speaker 6 of car, output warning tones.In addition, so-called this warning tones, refers to the man made noise of being exported outside car by the approaching danger bringing of this car in order to notify towards periphery.In addition, if warning tones generation device 5 receives warning tones closing control inhibit signal from warning tones closing control inhibiting apparatus 3, regardless of the control signal from switch 4, all forbid carrying out the closing control of warning tones.
And, if the running region that warning tones closing control inhibit signal inputs to warning tones generation device 5 or is judged as this car is dangerous zone, export warning tones closing control disable notification signal to internal loudspeaker 7 and read out instrument 8 from warning tones closing control inhibiting apparatus 3.Thus, via internal loudspeaker 7 or read out instrument 8, to the forbidden content of closing control of user's notification alert sound and this reason of forbidding.
Fig. 2 is the integrally-built block diagram that represents the system of the flexible piezoelectric sound-generating devices outside car that uses embodiment 1.In the system shown in Fig. 2, use homing advice 1-A to be used as the dangerous zone information acquisition device 1 of Fig. 1.
Homing advice 1-A comprises map information database, GPS receiver and receives the Department of Communication Force of the information of travel, obtain current time information, current location information, travel information (kind of the roads such as road width, ordinary road/expressway, limited speed, four corners, bend etc.), Frequent Accidents regional information, peripheral facilities information etc., and they are notified to dangerous zone judging part 2.
In addition, dangerous zone judging part 2 also can be all the time to being monitored by the content of the accessed above-mentioned information of homing advice 1-A, and in the time that content changes, obtain this information from homing advice 1-A.
In addition, also can not monitor the content of the accessed information of homing advice 1-A all the time, but at regular intervals or this car certain distance that often travels, obtain above-mentioned information by dangerous zone judging part 2 from homing advice 1-A.Also can, according at least one party's of the inside of vehicle or outside environmental change, dynamically change this certain hour and operating range.So-called this environmental change, the variation that can enumerate the peripheral facilities etc. of time period, the speed of a motor vehicle, weather and running region.For example, also can the time period be from 8 o'clock to 20 o'clock during, by shortening certain hour and operating range, increase the number of times of obtaining information, the time period be from 20 o'clock to 8 o'clock during, by extending certain hour and operating range, reduce the number of times of obtaining information.In addition, the mechanisms such as the switch that can set certain hour and operating range also can be set, thereby by user's operation, they be changed.Change by the moment that like this dynamically makes obtaining information, can process efficiently.
The in the situation that of producing warning tones in the time only having when low speed driving, dangerous zone judging part 2 also can only gather speed information from homing advice 1-A all the time, in the low vehicle speed range of regulation, judge in above-mentioned dangerous zone among the information using, also obtain other information except speed information, and outside above-mentioned low vehicle speed range (while running at high speed etc.), do not obtain the information except speed information.In addition, the information gathering all the time, as long as grasping the information of moving velocity of this car, can be also the information except speed information.
Dangerous zone judging part 2 utilizes the above-mentioned information accessed from homing advice 1-A and is stored in the Rule of judgment of the regulation memory storage 2-A, the hazard level in the region that this car is just being travelled checks, thereby if to whether closing arbitrarily warning tones, can judge adventurous dangerous zone in user.
In the situation that being judged as in dangerous zone, the advisory that dangerous zone judging part 2 is dangerous zone by running region is to warning tones closing control inhibiting apparatus 3.
Fig. 3 is the figure that represents to be stored in an example (example 1) of the judgement form in memory storage 2-A, represent judging together with the judged result of form and dangerous zone judging part 2, describedly judge that form gathers judging the condition that the running region of this car is dangerous zone.Whether dangerous zone judging part 2, based on from the accessed above-mentioned information of homing advice 1-A, is set up the running region of this car according to the conditional content that judges form shown in Fig. 3, and dangerous zone is judged.In the example of Fig. 3, show following situation:, according to the number order that Rule of judgment is identified, the content of condition is judged, the running region of this car meet judge 3 " just travelling on four corners? " condition.In the case of judging that like this any one condition of form is set up, the running region that judges this car is dangerous zone.
Fig. 4 is the figure of other examples (example 2) of representing to be stored in the judgement form in memory storage 2-A, to judging that form appends the condition relevant with the running time of this car, represent appending together with the judged result of rear obtained form and dangerous zone judging part 2, describedly judge that form gathers judging the condition that the running region of this car is dangerous zone.
Dangerous zone judging part 2 is based on from the accessed above-mentioned information of homing advice 1-A, according to the conditional content that judges form shown in Fig. 4 with append condition whether the running region of this car is set up, dangerous zone judged.
In the example of Fig. 4, show following situation:, according to the number order that Rule of judgment is identified, the content of condition is judged, the running region of this car meet judge 2 " having primary school around? " condition, and also meet the condition of appending " being in the time that classes are over of going to school ".In the case of judge like this any one condition of form and append condition set up, the running region that judges this car is dangerous zone.
In addition, though meet judge 2 " having primary school around? " condition, do not meet the condition of appending " is in the time that classes are over of going to school " at the running time of this car, be not judged as dangerous zone yet.
Fig. 5 is the figure of other examples (example 3) of representing to be stored in the judgement form in memory storage 2-A, to judging that form appends the mark (degree of risk) that represents the hazard level corresponding with conditional content, represent appending together with the judged result of rear obtained form and dangerous zone judging part 2, describedly judge that form gathers judging the condition that the running region of this car is dangerous zone.For degree of risk, for example situation larger danger is made as to 10, situation less danger is made as to 1, between allocation level 2～9.
Dangerous zone judging part 2 judges the content of condition according to the number order that Rule of judgment is identified, if have the degree of risk of corresponding relation to be more than or equal to the threshold value of regulation with the conditional content of the running region that meets this car, be judged as YES dangerous zone, if be less than the threshold value of regulation, be judged as and be not dangerous zone.In addition, meet multiple conditional contents at the running region of this car, if the summation of the each degree of risk corresponding with these conditional contents is more than or equal to the threshold value of regulation, be judged as YES dangerous zone, if be less than the threshold value of regulation, be judged as and be not dangerous zone.
In the example of Fig. 5, the threshold value relevant with degree of risk is " 8 ", the running region of this car meet judge 3 " just travelling on four corners? " condition and judge 4 " turn left or turn right? " condition.In this case, the degree of risk " 4 " corresponding with the conditional content that judges 3 and degree of risk " 5 " sum corresponding with the conditional content that judges 4 are " 9 ", because degree of risk sum is more than or equal to above-mentioned threshold value " 8 ", therefore, be judged as YES " dangerous zone ".
Fig. 6 is the figure of other examples (example 4) of representing to be stored in the judgement form in memory storage 2-A, to judging that form appends the append condition relevant with the running time section of this car and the degree of risk corresponding with conditional content, represent appending together with the judged result of rear obtained form and dangerous zone judging part 2, describedly judge that form gathers judging the condition that the running region of this car is dangerous zone.
In the judgement form shown in Fig. 5, for example to " having primary school around? " this conditional content extraneous risks degree " 5 ", but less time period of the stream of people the time that classes are over except going to school, this degree of risk is too high.
Thereby, as shown in Figure 6, " around have primary school? " in this conditional content, as the condition of appending, if the time period is " beyond the time that classes are over of going to school ", degree of risk is made as " 3 ", if the time period is " being in the time that classes are over of going to school ",, owing to being contemplated to people's increase that fails to be convened for lack of a quorum, therefore, degree of risk is made as to the highest " 10 ".
In addition, in the example of Fig. 6, the threshold value relevant to degree of risk is " 8 ", the running region of this car meet judge 2 " having primary school around? " condition and the condition of appending thereof " be in the time that classes are over of going to school ", and meet judge 4 " just travelling on four corners? " condition.In this case, with judge that degree of risk " 10 " that 2 condition and the condition of appending are corresponding and degree of risk " 5 " sum corresponding with the condition that judges 4 are " 15 ", because degree of risk sum is more than or equal to above-mentioned threshold value " 8 ", therefore, be judged as YES " dangerous zone ".
In addition, the conditional content that is dangerous zone for the running region that judges this car, can enumerate following example.
First, in the case of narrower according to the road width of the travel of determined car of travel information (for the road width of regulation following) or in the situation that this car is just travelling on four corners or bend, in the situation that turning left or turn right, also the running region of this car can be judged as to dangerous zone.
In addition, on expressway, also can be judged as and not travel on dangerous zone, in service zone, also can be judged as and just travel on dangerous zone.
And, in the case of the limited speed of the travel of this car is lower, owing to being that the more regional possibility of the pedestrians such as residential street is larger, therefore, if limited speed is below any threshold, also can be judged as this car and just travelling on dangerous zone.
The road just travelling at this car be Frequent Accidents area or around exist the facility such as primary school or shopping district, because children break or around more etc. the danger of pedestrian is higher, therefore, also can be judged as and just travel on dangerous zone.
In the situation that using current time information, travel the adventurous time period being judged as because of warning tones halted state, also can be judged as this car and just travel on dangerous zone.
For example, the larger time period of noise around, owing to being difficult to hear the sound that travels of vehicle, therefore, be judged as and just travel on dangerous zone.In addition, the darker time period around, because the visual angle of chaufeur is narrower, therefore, also can be judged as and just travel on dangerous zone.In this case, if light car light, therefore, also can be judged as vehicle not travel on dangerous zone owing to easily visually noticing around.
Whether in addition, not only can utilize a condition to judge dangerous zone, also peripheral facilities information and current time information can be combined, be that dangerous zone judges with the region that this car is just being travelled.
For example, even if there is shopping district around, but due to when shop people's minimizing that fails to be convened for lack of a quorum at closing time, therefore, also can combine with current time information, in the business hours, be judged as YES dangerous zone, be not dangerous zone and be judged as after lockup.
And, in the case of be judged as the condition of just travelling to dangerous zone from island, be judged as the condition of just travelling to island from dangerous zone identical, on the border that just travels on dangerous zone and island time, likely make judged result unnecessarily frequently change.
About this point, to judge from dangerous zone to island more news, can be not be judged as YES dangerous zone according to judged result once, but when being repeatedly judged as YES dangerous zone continuously, just be updated to dangerous zone from island yet.
Fig. 7 represents the figure that changes between island and dangerous zone along with travelling of vehicle, shows the discrepant situation of tool between the threshold value that makes the degree of risk that the threshold value of degree of risk that the judgement of island uses and the judgement of dangerous zone use.The problem of judged result frequent variations when eliminating on the above-mentioned border that travels on dangerous zone and island, as shown in Figure 7, make to there is difference between the threshold value of the degree of risk that the threshold value of degree of risk that the judgement of island uses and the judgement of dangerous zone use, in borderline region, judge with the rule stipulating.
In the example of Fig. 7, rule as afore mentioned rules is as follows: once the degree of risk of vehicle exceedes the beginning threshold value of dangerous zone, until degree of risk to become the beginning threshold value of island following, all continue to be judged as dangerous zone, and, even if travel on the beginning threshold value that the degree of risk of the vehicle of island exceedes island, be also judged as island.Thus, can prevent frequent variations in the degree of risk region of difference of the threshold value of the degree of risk that the threshold value of degree of risk that judged result is used in the judgement that is equivalent to island and the judgement of dangerous zone use.
Fig. 8 is the block diagram of the structure of the warning tones closing control inhibiting apparatus of presentation graphs 1, Fig. 2.As shown in Figure 8, warning tones closing control inhibiting apparatus 3 comprises warning tones closing control inhibit signal generating unit 3a, notification signal generating unit 3b, display handling part 3c and the 3d of sound signal processing portion.
Warning tones closing control inhibit signal generating unit 3a is in the time judging that by dangerous zone judging part 2 running region is dangerous zone, generates and forbid the signal of the closing control of carrying out warning tones and notified the structural portion to switch 4 or warning tones generation device 5.
Notification signal generating unit 3b monitors, generates warning tones closing control disable notification signal and notified the structural portion to display handling part 3c and aud. snl. handling part 3d in the time that the state of warning tones closing control changes because of the judged result of new dangerous zone the state of warning tones closing control all the time.
So-called warning tones closing control disable notification signal, refer to for by the beginning that for example warning tones closing control is forbidden or stop, the beginning of dangerous zone or stop and the beginning banning use of of switch 4 or stop the state notifying of these warning tones closing control to user's signal.
Display handling part 3c and aud. snl. handling part 3d will convert the signal that can export with internal loudspeaker 7 or read out instrument 8 to and export respectively it structural portion of internal loudspeaker 7 or read out instrument 8 to from the warning tones closing control disable notification signal of notification signal generating unit 3b notice.
In addition, in warning tones closing control is forbidden, even if press switch 4, notification signal generating unit 3b also can generating content be in warning tones closing control forbid in, just travel on dangerous zone or ban use of the warning tones closing control disable notification signal of switch.Even in this case, display handling part 3c and aud. snl. handling part 3d also can will be converted to the signal that can export with internal loudspeaker 7 or read out instrument 8 from the warning tones closing control disable notification signal of notification signal generating unit 3b notice, and by its output.
Switch 4 is the switches that at least warning tones carry out closing control by any operation of user.In addition, as switch 4, by by inferior operation, can only carry out the closing control of warning tones, also can warning tones be opened and be controlled and these two kinds of controls of closing control.
In the situation that switch 4 receives warning tones closing control inhibit signal from warning tones closing control inhibiting apparatus 3, even if user utilizes switch 4 to close the operation of warning tones, can not carry out the closing control of warning tones.For example, by locking opening, realize the structure that can not carry out shutoff operation.
In addition, by the display equipments such as LED (light-emitting diode (Light Emitting Diode)) are installed on switch 4, directly show it is the state forbidden of warning tones closing control or the state that can carry out closing control, thereby make user can when switch 4 is operated, confirm warning tones closing control state, and without specially internal loudspeaker 7 or read out instrument 8 being confirmed.
Fig. 9 is the block diagram of the structure of the warning tones generation device of presentation graphs 1, Fig. 2.In Fig. 9, warning tones generation device 5 is the devices that form warning tones generation system, comprises that warning tones stop control unit 5a, warning tones produce judging part 5b, warning tones generating unit 5c and loud speaker output processing part 5d.
Warning tones stop control unit 5a is in the time pressing switch 4, judges it is that switch 4 is carried out open operation or carries out shutoff operation and notify by warning tones start signal or warning tones closing signal the structural portion that produces judging part 5b to warning tones.
Warning tones produces judging part 5b and is the indication to warning tones generating unit 5c output generation warning tones in the time obtaining warning tones start signal from warning tones stop control unit 5a, in the time obtaining warning tones closing signal, warning tones generating unit 5c is sent to the structural portion that stops the indication that generates warning tones.
In addition, in the situation that having notified warning tones closing control inhibit signal from warning tones closing control inhibiting apparatus 3, no matter have or not the warning tones closing signal corresponding with the operation of switch 4, warning tones generation judging part 5b is judged as and does not stop producing warning tones.That is, the warning tones closing control inhibit signal of notifying from warning tones closing control inhibiting apparatus 3 is compared with the operation signal of switch 4 (warning tones closing control signal), and its relative importance value that is judged as generation warning tones is higher.
Warning tones generating unit 5c is the structural portion that generates warning tones data, receive if produce judging part 5b from warning tones the indication that produces warning tones, warning tones data are exported to loud speaker output processing part 5d, stop warning tones if produce judging part 5b indication from warning tones, stop generating warning tones data, loud speaker output processing part 5d is not carried out to any output.Loud speaker output processing part 5d is the structural portion of carrying out the sound equipment processing of channel number and volume amplification etc., makes suitably to export with the outer loud speaker 6 of car the warning tones data that receive from warning tones generating unit 5c.
Figure 10 is the block diagram of other structures of the warning tones generation device of presentation graphs 1, Fig. 2.Compared with the structure shown in Fig. 9, the warning tones generation device 5 shown in Figure 10 has appended output gain value judging part 5e.Output gain value judging part 5e is the structural portion of setting according to the degree of risk being obtained on inspection by dangerous zone judging part 2, to the yield value of the warning tones of exporting.Loud speaker output processing part 5d utilizes the yield value being set by output gain value judging part 5e, and the warning tones of output is carried out to volume adjustment.
The outer loud speaker 6 of car is the one or more loud speakers that are installed on outside car, for generation of warning tones.Internal loudspeaker 7 is the one or more loud speakers that are installed in car.
Read out instrument 8 is to be installed on the display equipments such as the telltale in car, comprises the display equipment of vehicle mounted guidance, LED and gauge panel.
Internal loudspeaker 7 or read out instrument 8 are accepted warning tones closing control disable notification signal from warning tones closing control inhibiting apparatus 3, can not with switch 4 carry out the operation of closing warning tones content, maybe can not stop warning tones content transmission to user.In addition, in the time just travelling on dangerous zone, user presses into switch 4 in the situation that of closing warning tones by mistake, and the content transmission that can not carry out the content of shutoff operation with switch 4, maybe can not stop warning tones is to user.In addition, utilize at least one device among internal loudspeaker 7 or read out instrument 8 to send above-mentioned notice to user.
Next, action is described.
Figure 11 is the diagram of circuit of the flow process of the action that represents that the flexible piezoelectric sound-generating devices outside car of embodiment 1 carries out, show warning tones and produce the details of processing, described warning tones produces processes the judgement that comprises the corresponding closing control of forbidding warning tones of the degree of risk regional with travelling of this car.
First,, if connect the key switch of vehicle, by the battery as main power source, homing advice 1-A is powered, thereby start this homing advice 1-A.Then, homing advice 1-A utilizes GPS receiver to obtain current time information (step ST1-1a), and obtains current location information (step ST1-1b).In addition, along with travelling of this car, homing advice 1-A, based on current location information, obtains travel information, Frequent Accidents regional information and peripheral facilities information (step ST1-1c, step ST1-1d, step ST1-1e) from map information database.Export these information to dangerous zone judging part 2 from homing advice 1-A.
The Rule of judgment of the running region information of dangerous zone judging part 2 this car based on from homing advice 1-A input and the regulation of reading from memory storage 2-A, the degree of risk of the road area that this car is travelled checks, and exports degree of risk to output gain value judging part 5e.
Output gain value judging part 5e decides the yield value of output warning tones according to the degree of risk of inputting from dangerous zone judging part 2, and it is set loud speaker output processing part 5d.Thus, loud speaker output processing part 5d, according to the output gain value being set by output gain value judging part 5e, changes (step ST1-2) to the output volume of warning tones.
For example, if the degree of risk of inputting from dangerous zone judging part 2 is greater than the threshold value of regulation, output gain value judging part 5e controls to increase yield value, if degree of risk is less than the threshold value of regulation, output gain value judging part 5e controls to reduce yield value.
In addition, the number of times that dangerous zone judging part 2 also can be set up according to the condition that is judged as dangerous zone being stored in memory storage 2-A, to output gain value judging part 5e output degree of risk.For example, reach the threshold value of regulation when above when being judged as number of times that the condition of dangerous zone sets up, export degree of risk to output gain value judging part 5e.
In addition, dangerous zone judging part 2 also can be made as mark by the hazard level of the various information that obtained by homing advice 1-A, thereby according to the summation of the mark of the mark of various information or much information, decides degree of risk.For example, it is whether the more time periods of the stream of people such as " go to school classes are over time " according to current time information, carry out the mark of additional representation hazard level, whether being positioned at " primary school " etc. according to current location information accommodates around more people's facility, carry out the mark of additional representation hazard level, whether be the road towards facility as above according to travel information, carry out the mark of additional representation hazard level, the mark of Frequent Accidents regional information additional representation hazard level of the situation to the regional Frequent Accidents that represents to travel, whether show and have the facility that accommodates more people according to peripheral facilities information, carry out the mark of additional representation hazard level.Can be directly using the mark of various information as degree of risk, also can be using the summation of the mark of various information as degree of risk.
In the above description, show the situation that warning tones generation device 5 has output gain value judging part 5e, but as shown in Figure 9,, the structure that there is no output gain value judging part 5e in employing, omit the processing (step ST1-2) of the output volume that changes warning tones.
Then, dangerous zone judging part 2 is based on the information relevant with running region this car that get (current time information, current location information, travel information, Frequent Accidents regional information and peripheral facilities information) and represent the information of the degree of risk determining with reference to the Rule of judgment of this running region information and the regulation of reading from memory storage 2-A from homing advice 1-A, and whether the region that this car is just being travelled is that dangerous zone judges (step ST1-3).Here, if be judged as YES dangerous zone (step ST1-3: be), dangerous zone judging part 2 is to be that the judged result of dangerous zone exports warning tones closing control inhibiting apparatus 3 to by content, being judged as (step ST1-3: no) be not dangerous zone in the situation that, is to be that the judged result of island exports warning tones closing control inhibiting apparatus 3 to by content.
Be to be the judged result of dangerous zone is inputted warning tones closing control inhibiting apparatus 3 moment from dangerous zone judging part 2 in content, if the warning tones closing control inhibit signal generating unit 3a in warning tones closing control inhibiting apparatus 3 has generated warning tones closing control inhibit signal, the closing control of warning tones (step ST1-4: in forbidding) in forbidding, thus the processing of step ST1-1a returned to.
In addition, be to be the moment of the judged result of dangerous zone at input content, if do not generate warning tones closing control inhibit signal, and under the state of closing control in carrying out warning tones (step ST1-4: can control), warning tones closing control inhibit signal generating unit 3a generates warning tones closing control inhibit signal, and is exported to switch 4 or warning tones generation device 5.If input warning tones closing control inhibit signal, switch 4 or warning tones generation device 5 start to forbid according to the operation of switch 4 (pressing) closing control (step ST1-5) of warning tones.
From dangerous zone judging part 2 input contents be the judged result of dangerous zone after, if identify the state of the closing control of warning tones change (becoming Do not switch off control), notification signal generating unit 3b generates warning tones closing control notification signal, and is exported to display handling part 3c and aud. snl. handling part 3d.
In addition, whether notification signal generating unit 3b for example receives warning tones closing control inhibit signal based on switch 4, and the variation of the state of the closing control to warning tones is identified.
Display handling part 3c and aud. snl. handling part 3d will convert the signal that can export with read out instrument 8 and internal loudspeaker 7 to from the warning tones closing control disable notification signal of notification signal generating unit 3b input, and export respectively it to read out instrument 8 and internal loudspeaker 7.Thus, the content that starts the closing control of forbidding warning tones is notified to user (step ST1-6) from internal loudspeaker 7 and read out instrument 8.
Now, before receiving from warning tones generation judging part 5b the indication that generates warning tones, in the situation that pressing switch 4 and itself not generating warning tones data (step ST1-7: be), warning tones generating unit 5c generates warning tones data immediately, and is exported to loud speaker output processing part 5d.Thus, loud speaker output processing part 5d makes the outer loud speaker 6 of car produce warning tones (step ST1-8).Afterwards, return to the processing of step ST1-1a.
On the other hand, not dangerous zone (being island) if be judged as in step ST1-3, and it is being the moment that is not the judged result of dangerous zone from dangerous zone judging part 2 input contents, do not generate warning tones closing control inhibit signal, in carrying out the state (step ST1-9: can control) of the closing control of warning tones, return to the processing of step ST1-1a.
In addition, from dangerous zone judging part 2 input contents for after being not the judged result of dangerous zone (being island), if the situation (step ST1-9: forbid in) of the closing control that identifies warning tones in forbidding, notification signal generating unit 3b generates the warning tones closing control notification signal that expression forbids that the closing control of warning tones has finished, and is exported to display handling part 3c and aud. snl. handling part 3d.
In display handling part 3c and aud. snl. handling part 3d, the warning tones closing control disable notification signal of being notified by notification signal generating unit 3b is converted to the signal that can export with internal loudspeaker 7 or read out instrument 8, and export respectively it to internal loudspeaker 7 or read out instrument 8.Thus, the content closing control of forbidding warning tones having been finished is notified to user (step ST1-10) from internal loudspeaker 7 or read out instrument 8.
In addition, only in the time of the closing control starting and stop forbidding warning tones, do not give notice to user, also can be in the time forbidding the closing control of warning tones, all the time from internal loudspeaker 7 or read out instrument 8 by forbid warning tones closing control etc. content continuously notice to user.
If be the judged result that is not dangerous zone from dangerous zone judging part 2 input contents, warning tones closing control inhibit signal generating unit 3a stops exporting warning tones closing control inhibit signal to switch 4 or warning tones generation device 5.If 3a stops exporting warning tones closing control inhibit signal by warning tones closing control inhibit signal generating unit, switch 4 or warning tones generation device 5 finish the closing control (step ST1-11) of forbidding warning tones.Afterwards, return to the processing of step ST1-1a.
Figure 12 is the diagram of circuit that represents the interrupt routine of system finishing.During the flexible piezoelectric sound-generating devices outside car of embodiment 1 is stated the processing of Figure 11 on the implementation, proceed to process or end process (step ST1a-1) according to the state of key switch.If the key switch of vehicle is for connecting (step ST1a-1: connect), the flexible piezoelectric sound-generating devices outside car is proceeded the processing of Figure 11.If user disconnects the key switch (step ST1a-1: disconnect) of vehicle, the interrupting of the processing of Figure 11 midway, system closure.
Figure 13 is the diagram of circuit that represents the flow process of the interruption processing corresponding with switching manipulation, shows in the case of utilizing switch 4 to carry out the interruption processing the operation of generation of closing control warning tones.
First, in the moment of carrying out input operation signal (warning tones closing control signal) by pressing switch 4, if export warning tones closing control inhibit signal to this switch 4 (step ST1b-1: in forbidding), the warning tones closing control notification signal of the situation of the closing control of notification signal generating unit 3b generation expression warning tones in forbidding, and exported to display handling part 3c and aud. snl. handling part 3d.
Thus, internal loudspeaker 7 and read out instrument 8 are according to the control of the 3d of sound signal processing portion and display handling part 3c, and the context notification by the closing control of warning tones in forbidding is to user (step ST1b-2), End of Interrupt.
In addition, as the reason that can not carry out with switch 4 closing control of warning tones, dangerous zone judging part 2 also can be by the condition (meeting the judgement project of this car situation) of result that is judged as YES dangerous zone via warning tones closing control inhibiting apparatus 3, and via internal loudspeaker 7 or read out instrument 8, be prompted to user.
On the other hand, if by pressing switch 4 input operation signals, the warning tones closing signal that the warning tones stop control unit 5a in warning tones generation device 5 stops producing warning tones by indication exports warning tones to and produces judging part 5b.In the moment from warning tones stop control unit 5a input warning tones closing signal, if receive warning tones closing control inhibit signal (step ST1b-1: can control) from warning tones closing control inhibiting apparatus 3, warning tones produces judging part 5b warning tones generating unit 5c is sent to the indication that stops generating warning tones.Warning tones generating unit 5c, according to the indication that produces judging part 5b from warning tones, stops generating warning tones data, thereby stops exporting warning tones (step ST1b-3), End of Interrupt.
Figure 14 is the diagram of circuit that represents the flow process of other the interruption processing corresponding with switching manipulation, shows in the case of utilizing switch 4 to carry out the interruption processing the operation of generation of closing control warning tones and these two kinds of operations of operation of the generation of unlatching control warning tones.
First, warning tones stop control unit 5a, according to the content of operation of switch 4, judges (step ST1c-1) to carrying out closing control or opening control.Export this judged result to warning tones from warning tones stop control unit 5a and produce judging part 5b.
On the other hand, at the moment of carrying out the operation of the closing control of warning tones with switch 4 (step ST1c-1: disconnect), if switch 4 is inputted warning tones closing control inhibit signal from warning tones closing control inhibiting apparatus 3, and the situation (step ST1c-2: forbid in) of the closing control that identifies warning tones in forbidding, the warning tones closing control notification signal of the closing control of notification signal generating unit 3b generation expression warning tones in forbidding, and exported to display handling part 3c and aud. snl. handling part 3d.
In display handling part 3c and aud. snl. handling part 3d, the warning tones closing control disable notification signal of being notified by notification signal generating unit 3b is converted to the signal that can export with internal loudspeaker 7 or read out instrument 8, and export respectively it to internal loudspeaker 7 or read out instrument 8.Thus, by internal loudspeaker 7 or read out instrument 8 by the closing control of warning tones the context notification in forbidding to user (step ST1c-3), End of Interrupt.
In addition, as the reason that can not carry out the operation of the closing control of warning tones with switch 4, dangerous zone judging part 2 also can be by the condition (meeting the judgement project of this car situation) of result that is judged as YES dangerous zone via warning tones closing control inhibiting apparatus 3, and via internal loudspeaker 7 or read out instrument 8, be prompted to user.
Carried out the moment (step ST1c-1: disconnect) of the judged result of the operation of the closing control of warning tones with switch 4 in input, if do not receive warning tones closing control inhibit signal from warning tones closing control inhibiting apparatus 3, warning tones produces judging part 5b and is judged as the closing control (step ST1b-1: can control) that can carry out warning tones, and to warning tones generating unit, 5c sends the indication that stops generating warning tones.Warning tones generating unit 5c, according to the indication that produces judging part 5b from warning tones, stops generating warning tones data, thereby stops exporting warning tones (step ST1c-4), End of Interrupt.
In addition, if carried out the judged result (step ST1c-1: connect) of the operation of the closing control of warning tones with switch 4 from warning tones stop control unit 5a input, warning tones produces judging part 5b and warning tones generating unit 5c is sent to the indication that generates warning tones.Warning tones generating unit 5c, according to the indication that produces judging part 5b from warning tones, generates warning tones data and is exported to loud speaker output processing part 5d, thus output warning tones (step ST1c-5), End of Interrupt.
As mentioned above, according to present embodiment 1, the flexible piezoelectric sound-generating devices outside car comprises: the memory storage 2-A of the Rule of judgment that the situation to judging the vehicle that the area of travelling is dangerous zone of storing is described, and obtain the information acquiring section of information of the situation that represents vehicle, be homing advice 1-A, described flexible piezoelectric sound-generating devices outside car is by by the accessed time period of homing advice 1-A, road width, limited speed, Frequent Accidents regional information, the kind of information of road, and facilities information around, compare with the Rule of judgment of reading from memory storage 2-A, whether this vehicle is just being travelled on to dangerous zone judges, even if carried out indicating the operation that stops the switch 4 of exporting warning tones from outside, if just travelling on dangerous zone but be judged as vehicle, do not stop the output of warning tones yet.
By like this, just travelling on dangerous zone if be judged as this vehicle according to the situation of vehicle, can forbid that user stops arbitrarily the output of warning tones.Thus, can produce reliably warning tones in the area of travelling of travelling that should aware this car, thereby can improve the safety in this area.
In addition, as homing advice 1-A, can utilize the existing homing advice as mobile unit.
Figure 15 is the integrally-built block diagram that represents the system of the flexible piezoelectric sound-generating devices outside car that uses embodiments of the present invention 2.In Figure 15, the flexible piezoelectric sound-generating devices outside car in embodiment 2 comprises the 1-B of sensor portion, to replace the homing advice 1-A in the structure of Fig. 2 illustrated in above-mentioned embodiment 1.In addition, for the structure identical or suitable with structure in Fig. 1 and Fig. 2, mark identical label, description thereof is omitted.
The 1-B of sensor portion has the structure that comprises the sensor such as ultrasonic transduter and millimeter wave radar, and one or more these sensors are installed on any part among front, side and the rear of car body or all sites.In addition, except active sensor as above, sensor also comprises passive sensor, and the image that this passive sensor obtains taking vehicle periphery carries out graphical analysis, thereby the kind to obstacle (pedestrian, Light-duty Vehicle/motor bike, other vehicles etc.) judges.
The 1-B of sensor portion also comprises information treatment part, the obstacles such as pedestrian, Light-duty Vehicle/motor bike and other vehicle of this information treatment part to vehicle periphery detect, thus the range information between information and this obstacle and the vehicle of the kind of this obstacle of acquisition expression.Like this, will be notified to dangerous zone judging part 2 by the sensor portion accessed information of 1-B.
In addition, notify the moment to dangerous zone judging part 2 for the 1-B of sensor portion by information, dangerous zone judging part 2 can not be also all the time the 1-B of sensor portion to be monitored, but every certain hour arbitrarily or the certain distance that often travels arbitrarily from the 1-B of sensor portion Information Monitoring.Also can, according at least one party's of the inside of vehicle or outside environmental change, dynamically change this time and operating range arbitrarily.So-called this environmental change, the variation of the obstacle around can enumerating etc.For example, for the more region of peripheral obstacle, also can increase by shortening certain hour and operating range the number of times of obtaining information, for the less region of peripheral obstacle, also can reduce by extending certain hour and operating range the number of times of obtaining information.In addition, the mechanisms such as the switch that can set certain hour and operating range also can be set, thereby by user's operation, they be changed.Change by the moment that like this dynamically makes obtaining information, can process efficiently.
Dangerous zone judging part 2 utilizes the information getting from the 1-B of sensor portion, checks the hazard level in the region of just travelling, thereby if can judge adventurous dangerous zone whether closing arbitrarily warning tones in user.In the situation that being judged as in dangerous zone, the advisory that dangerous zone judging part 2 is dangerous zone by running region is to warning tones closing control inhibiting apparatus 3.
Figure 16 is the figure that represents to be stored in an example (example 1) of the judgement form in the memory storage 2-A of embodiment 2, represent judging together with the judged result of form and dangerous zone judging part 2, describedly judge that form gathers judging the condition that the running region of this car is dangerous zone.
Whether dangerous zone judging part 2, based on from the accessed above-mentioned information of the 1-B of sensor portion, is set up the running region of this car according to the conditional content that judges form shown in Figure 16, and dangerous zone is judged.For example, Figure 16 shows following situation:, according to the number order that Rule of judgment is identified, the content of condition is judged, the running region of this car meet judge 1 " having pedestrian around? " condition.
In the case of judging that like this any one condition of form is set up, the running region that judges this car is dangerous zone.
Figure 17 is the figure that represents to be stored in other examples (example 2) of the judgement form in the memory storage 2-A of embodiment 2, to judging that form appends the mark (degree of risk) that represents the hazard level corresponding with conditional content, represent appending together with the judged result of rear obtained form and dangerous zone judging part 2, describedly judge that form gathers judging the condition that the running region of this car is dangerous zone.For degree of risk, identical with embodiment 1, for example situation larger danger is made as to 10, situation less danger is made as to 1, between allocation level 2～9.
In the example of Figure 17, the threshold value relevant to degree of risk is " 8 ", the running region of this car meet judge 1 " having pedestrian around? " condition.In this case, because the degree of risk corresponding with the conditional content that judges 1 " 8 " is more than or equal to threshold value " 8 ", therefore, be judged as " dangerous zone ".
Figure 18 is the figure that represents to be stored in other examples (example 3) of the judgement form in the memory storage 2-A of embodiment 2, to judge form append about the condition of appending of the distance between obstacle and this car and with conditional content corresponding degree of risk, represent appending together with the judged result of rear obtained form and dangerous zone judging part 2, describedly judge that form gathers judging the condition that the running region of this car is dangerous zone.
In the judgement form shown in Figure 17, for example to " having pedestrian around? " this conditional content extraneous risks degree " 8 ", but at pedestrian and vehicle in the situation that predetermined distance scope is above, this degree of risk is too high.
Thereby, as shown in figure 18, " around have pedestrian? " in this conditional content, as the condition of appending, if the distance of pedestrian and this car is in " radius 3m～5m " centered by the sensor of the 1-B of sensor portion that pedestrian detected, degree of risk is made as " 5 ", if the distance between pedestrian and this car is " in radius 3m ", there is owing to being contemplated to the danger contacting with pedestrian, therefore, degree of risk is made as " 9 ".
In addition, in the example of Figure 18, the threshold value relevant to degree of risk is " 8 ", the running region of this car meet judge 1 " having pedestrian around? " condition and append condition " in radius 3m ", and meet judge 2 " having Light-duty Vehicle/motor bike around? " condition and append condition " radius 5m～7m ".In this case, with judge degree of risk " 9 " that 1 condition and the condition of appending are corresponding and corresponding degree of risk " 4 " sum is " 13 " with judging 2 condition and the condition of appending, because degree of risk sum is more than or equal to threshold value " 8 ", therefore, be judged as YES " dangerous zone ".
First, the situation of the close together between obstacle and this car (in the scope of the radius centered by the sensor of the 1-B of sensor portion that obstacle detected at predetermined distance) being detected by the 1-B of sensor portion, exist distance between situation and obstacle and this car of multiple obstacles in time through and being close, also the running region of this car can be judged as to dangerous zone.
In the case of be judged as the condition of just travelling to dangerous zone from island, be judged as the condition of just travelling to island from dangerous zone identical, on the border that just travels on dangerous zone and island time, likely make judged result unnecessarily frequently change.About this point, carry out from dangerous zone to island more news will be judged as, can be not be judged as YES dangerous zone according to judged result once, but when being repeatedly judged as YES dangerous zone continuously, just be updated to dangerous zone from island yet.
In addition, also can as in above-mentioned embodiment 1 with the explanation that Fig. 7 carried out, make to there is difference between the threshold value of the degree of risk that the threshold value of degree of risk that the judgement of island uses and the judgement of dangerous zone use.
In addition, in embodiment 2, the structure of warning tones closing control inhibiting apparatus 3 is identical with the structure of the Fig. 8 shown in above-mentioned embodiment 1.About the 26S Proteasome Structure and Function of switch 4, the outer loud speaker 6 of car, internal loudspeaker 7 and read out instrument 8, also identical with content illustrated in above-mentioned embodiment 1.And the structure of warning tones generation device 5 is identical with the structure of the Fig. 9 shown in above-mentioned embodiment 1 or Figure 10.
In the following description, about the structure of the flexible piezoelectric sound-generating devices outside car in embodiment 2, except Figure 15, also with reference to Fig. 8～10.
Figure 19 is the diagram of circuit of the flow process of the action that represents that the flexible piezoelectric sound-generating devices outside car of embodiment 2 carries out, show warning tones and produce the details of processing, described warning tones produces processes the judgement that comprises the corresponding closing control of forbidding warning tones of the degree of risk regional with travelling of this car.
First, if connect the key switch of vehicle, the obstacles such as pedestrian, Light-duty Vehicle/motor bike and other vehicle of the one or more sensors that form any part among sensor portion front 1-B, that be installed on car body, side and rear or all sites to vehicle periphery detect, to obtain the range information (step ST2-1) between information and this obstacle and the vehicle of the kind that represents this obstacle.To be notified to dangerous zone judging part 2 by the accessed above-mentioned information of the 1-B of sensor portion.
The Rule of judgment of the range information between dangerous zone judging part 2 obstacle and this car based on from the 1-B of sensor portion input and the regulation of reading from memory storage 2-A, the degree of risk of the road area that this car is travelled checks, and exports degree of risk to output gain value judging part 5e.
Output gain value judging part 5e decides the yield value of output warning tones according to the degree of risk of inputting from dangerous zone judging part 2, and it is set loud speaker output processing part 5d.Thus, loud speaker output processing part 5d, according to the output gain value being set by output gain value judging part 5e, changes (step ST2-2) to the output volume of warning tones.
In addition, the number of times that dangerous zone judging part 2 also can be set up according to the condition that is judged as dangerous zone being stored in memory storage 2-A, to output gain value judging part 5e output degree of risk.
For example, reach the threshold value of regulation when above when being judged as number of times that the condition of dangerous zone sets up, export degree of risk to output gain value judging part 5e.
In addition, dangerous zone judging part 2 also can will be made as mark by the hazard level of the accessed information of the 1-B of sensor portion, thereby according to the summation of the mark of the mark of various information or much information, decides degree of risk.
For example, the mark of additional representation hazard level, make its along with each sensor accessed and obstacle between distance shortening and raise.
In the above description, show the situation that warning tones generation device 5 has output gain value judging part 5e, but as shown in Figure 9,, the structure that there is no output gain value judging part 5e in employing, omit the processing (step ST2-2) of the output volume that changes warning tones.
Then, the range information of dangerous zone judging part 2 based on by between accessed obstacle and this car of the 1-B of sensor portion and the kind (pedestrian, Light-duty Vehicle/motor bike, other vehicles etc.) of this obstacle, with reference to the Rule of judgment of the regulation of reading from memory storage 2-A, decide degree of risk, and based on representing the information of this degree of risk, whether the region that this car is just being travelled is that dangerous zone judges (step ST2-3).Here, if be judged as YES dangerous zone (step ST2-3: be), dangerous zone judging part 2 is to be that the judged result of dangerous zone exports warning tones closing control inhibiting apparatus 3 to by content, being judged as (step ST2-3: no) be not dangerous zone in the situation that, is to be that the judged result of island exports warning tones closing control inhibiting apparatus 3 to by content.
Below, the processing from step ST2-4 to step ST2-11 with above-mentioned embodiment 1, use Figure 11 illustrated, identical to the processing of step ST1-11 from step ST1-4.In addition, during carrying out the processing of Figure 19, if disconnect the key switch of vehicle, the flexible piezoelectric sound-generating devices outside car of embodiment 2 can produce the interruption of the system finishing of Figure 12 illustrated in above-mentioned embodiment 1.And, in the structure of embodiment 2, also can be applied in interruption processing in the situation of the operation that can only utilize switch 4 to carry out the generation of closing control warning tones, Figure 13 and in the case of can utilize switch 4 carry out closing control warning tones generation operation and open interruption processing these two kinds of operations of operation of the generation of controlling warning tones, Figure 14.
As mentioned above, according to present embodiment 2, the flexible piezoelectric sound-generating devices outside car comprises: the memory storage 2-A of storage to the Rule of judgment that travels on the situation of vehicle of dangerous zone and be described, and obtain the information acquiring section of information of the situation that represents vehicle, be the 1-B of sensor portion, described flexible piezoelectric sound-generating devices outside car will have or not pedestrian by the sensor portion accessed vehicle periphery of 1-B, motor bike/Light-duty Vehicle, with obstacles such as other vehicles, and range information between obstacle and vehicle, compare with the Rule of judgment of reading from memory storage 2-A, whether this vehicle is just being travelled on to dangerous zone judges, even if carried out indicating the operation that stops the switch 4 of exporting warning tones from outside, if just travelling on dangerous zone but be judged as vehicle, do not stop the output of warning tones yet.
In addition, can utilize the sensors such as the rotary angle transmitter that is installed in advance on vehicle as the 1-B of sensor portion.
Figure 20 is the integrally-built block diagram that represents the system of the flexible piezoelectric sound-generating devices outside car that uses embodiments of the present invention 3.In Figure 20, the flexible piezoelectric sound-generating devices outside car in embodiment 3 comprises the 1-C of pick up camera portion, to replace the homing advice 1-A in the structure of Fig. 2 illustrated in above-mentioned embodiment 1.In addition, for the structure identical or suitable with structure in Fig. 1 and Fig. 2, mark identical label, description thereof is omitted.
The 1-C of pick up camera portion comprises that afterbody pick up camera, drive recorder or infrared camera etc. are installed on shooting outside car or in car the device of recording of video.The number that forms the camera system of the 1-C of pick up camera portion can be one, also can use multiple.To be notified to dangerous zone judging part 2 by the pick up camera portion accessed information of 1-C.
In addition, the 1-C of pick up camera portion comprises information treatment part, this information treatment part carries out graphical analysis to the video data of taking outside car, has or not range information, identification information, travel information, weather and the information of time period between obstacle, obstacle and the vehicles such as pedestrian, Light-duty Vehicle/motor bike and other vehicles to obtain vehicle periphery.
In addition, so-called travel information, refers to and the information of kind, limited speed, four corners and the bend etc. that represent the road such as road width, ordinary road or expressway judges according to taken Road form and mark etc.
In addition, carry out graphical analysis by the situation of sky and the variation of the quantity of illumination in the outer video of the car to taken, determine weather and time period.
In addition, notify the moment to dangerous zone judging part 2 for the 1-C of pick up camera portion by information, dangerous zone judging part 2 can not be also all the time the 1-C of pick up camera portion to be monitored, but every certain hour arbitrarily or the certain distance that often travels arbitrarily from the 1-C of pick up camera portion Information Monitoring.Also can, according at least one party's of the inside of vehicle or outside environmental change, dynamically change this time and operating range arbitrarily.So-called this environmental change, the variation that can enumerate the peripheral facilities etc. of time period, the speed of a motor vehicle, weather and running region.For example, for brighter time period around, also can increase by shortening certain hour and operating range the number of times of obtaining information, for darker time period as the late into the night around, also can reduce by prolongation certain hour and operating range the number of times of obtaining information.In addition, the mechanisms such as the switch that can set certain hour and operating range also can be set, thereby by user's operation, they be changed.Change by the moment that like this dynamically makes obtaining information, can process efficiently.
The in the situation that of producing warning tones in the time only having when low speed driving, dangerous zone judging part 2 also can only gather limited speed information from the 1-C of pick up camera portion all the time, within the scope of the limited speed of the low speed of the regulation in school zone etc., judge in above-mentioned dangerous zone among the information using, also obtain other information except limited speed information, and outside above-mentioned limited speed scope (limited speed at a high speed such as expressway etc.), do not obtain the information except speed information.In addition, the information gathering all the time, as long as grasping the information of moving velocity of this car, can be also the information except limited speed information.
Dangerous zone judging part 2 utilizes the information getting from the 1-C of pick up camera portion, checks the hazard level in the region of just travelling, thereby if can judge adventurous dangerous zone whether closing arbitrarily warning tones in user.In the situation that being judged as in dangerous zone, the advisory that dangerous zone judging part 2 is dangerous zone by running region is to warning tones closing control inhibiting apparatus 3.
Figure 21 is the figure that represents to be stored in an example (example 1) of the judgement form in the memory storage 2-A of embodiment 3, represent judging together with the judged result of form and dangerous zone judging part 2, describedly judge that form gathers judging the condition that the running region of this car is dangerous zone.
Whether dangerous zone judging part 2, based on from the accessed above-mentioned information of the 1-C of pick up camera portion, is set up the running region of this car according to the conditional content that judges form shown in Figure 21, and dangerous zone is judged.For example, Figure 21 shows following situation:, according to the number order that Rule of judgment is identified, the content of condition is judged, the running region of this car meet judge 1 " having obstacle around? " condition.
Figure 22 is the figure that represents to be stored in other examples (example 2) of the judgement form in the memory storage 2-A of embodiment 3, to judging that form appends the mark (degree of risk) that represents the hazard level corresponding with conditional content, represent appending together with the judged result of rear obtained form and dangerous zone judging part 2, describedly judge that form gathers judging the condition that the running region of this car is dangerous zone.For degree of risk, identical with embodiment 1, for example situation larger danger is made as to 10, situation less danger is made as to 1, between allocation level 2～9.
Dangerous zone judging part 2 judges the content of condition according to the number order that Rule of judgment is identified, if have the degree of risk of corresponding relation to be more than or equal to the threshold value of regulation with the conditional content of the running region that meets this car, be judged as YES dangerous zone, if be less than the threshold value of regulation, be judged as and be not dangerous zone.
In addition, meet multiple conditional contents at the running region of this car, if the summation of the each degree of risk corresponding with these conditional contents is more than or equal to the threshold value of regulation, be judged as YES dangerous zone, if be less than the threshold value of regulation, be judged as and be not dangerous zone.
In the example of Figure 22, the threshold value relevant with degree of risk is " 8 ", the running region of this car meet judge 3 " road width is narrower? " condition and judge 4 " just travelling on four corners? " condition.In this case, the degree of risk " 5 " corresponding with the condition that judges 3 and degree of risk " 4 " sum corresponding with the condition that judges 4 are " 9 ", because degree of risk sum is more than or equal to threshold value " 8 ", therefore, are judged as YES " dangerous zone ".
Figure 23 is the figure that represents to be stored in other examples (example 3) of the judgement form in the memory storage 2-A of embodiment 3, to judge form append about the condition of appending of the distance between obstacle and this car and road width and with conditional content corresponding degree of risk, represent appending together with the judged result of rear obtained form and dangerous zone judging part 2, describedly judge that form gathers judging the condition that the running region of this car is dangerous zone.
In the judgement form shown in Figure 22, for example, take certain road width (10m) as benchmark, to " road width is narrower? " this conditional content extraneous risks degree " 5 ", even but above-mentioned certain width is with interior road, in the case of have that abundant sky is opened and the pedestrian of road both sides between the road width of distance, this degree of risk is also too high.
Thereby, as shown in figure 23, " road width is narrower? " in this conditional content, as the condition of appending, if being abundant sky, road width opens " 5m～10m " of the distance between the pedestrian of road both sides, degree of risk is made as " 3 ", if road width be contemplated to and the pedestrian of road both sides between the state of close together under " in the 5m " that travel, degree of risk is made as " 6 ".
In addition, in the example of Figure 23, the threshold value relevant to degree of risk is " 8 ", the running region of this car meet judge 1 " having obstacle around? " condition and append condition " radius 3m～5m ", and meet judge 3 " road width is narrower? " condition and append condition " 5m～10m ".In this case, with judge degree of risk " 5 " that 1 condition and the condition of appending are corresponding and corresponding degree of risk " 3 " sum is " 8 " with judging 3 condition and the condition of appending, because degree of risk sum is more than or equal to threshold value " 8 ", therefore, be judged as YES " dangerous zone ".
First, the situation of the close together between obstacle and this car (in the scope of the radius centered by the pick up camera of the 1-C of pick up camera portion that obstacle detected at predetermined distance) being detected by the 1-C of pick up camera portion, exist distance between situation and obstacle and this car of multiple obstacles in time through and being close, also the running region of this car can be judged as to dangerous zone.
According to travel information, in the case of the narrower situation of road width, this car travel on the situation of four corners or bend and turn right or turn left, be judged as and just travel on dangerous zone.
On expressway, also can be judged as and not travel on dangerous zone, in service zone, also can be judged as and just travel on dangerous zone.
In the case of the limited speed of the travel of this car is lower, owing to being that the more regional possibility of the pedestrians such as residential street is larger, therefore, if limited speed is below any threshold, also can be judged as this car and just travelling on dangerous zone.
According to identification information, be judged as there is the facility such as primary school or shopping district around in the situation that, because children break or around more etc. the danger of pedestrian is higher, therefore, also can be judged as and just travel on dangerous zone.
In the case of the information of utilizing the time period, when when making to travel in dangerous time period under warning tones halted state, also can be judged as and just travel on dangerous zone.For example, the larger time period of noise around, owing to being difficult to hear the sound that travels of vehicle, therefore, be judged as and just travel on dangerous zone.
In addition, the darker time period around, because the visual angle of chaufeur is narrower, therefore, also can be judged as and just travel on dangerous zone.In this case, if light car light, therefore, also can be judged as vehicle not travel on dangerous zone owing to easily visually noticing around.
Also peripheral facilities information and current time information can be combined, to judge whether in dangerous zone.For example, even if there is shopping district around, but due to when shop people's minimizing that fails to be convened for lack of a quorum at closing time, therefore, also can combine with current time information, in the business hours, be judged as YES dangerous zone, be not dangerous zone and be judged as after lockup.
Also can be by Weather information for judgement.For example, rainy in the situation that, the sound that travels likely becomes more unpleasant to hear because raining and arrives.Therefore,, detecting rainy in the situation that or in the situation that detecting that rainfall is more than or equal to any threshold, also can be judged as and just travel on dangerous zone.
In addition, in embodiment 3, the structure of warning tones closing control inhibiting apparatus 3 is identical with the structure of the Fig. 8 shown in above-mentioned embodiment 1.About the 26S Proteasome Structure and Function of switch 4, the outer loud speaker 6 of car, internal loudspeaker 7 and read out instrument 8, also identical with content illustrated in above-mentioned embodiment 1.And the structure of warning tones generation device 5 is identical with the structure of the Fig. 9 shown in above-mentioned embodiment 1 or Figure 10.
In the following description, about the structure of the flexible piezoelectric sound-generating devices outside car in embodiment 3, except Figure 20, also with reference to Fig. 8～10.
Figure 24 is the diagram of circuit of the flow process of the action that represents that the flexible piezoelectric sound-generating devices outside car of embodiment 3 carries out, show warning tones and produce the details of processing, described warning tones produces processes the judgement that comprises the corresponding closing control of forbidding warning tones of the degree of risk regional with travelling of this car.
First,, if connect the key switch of vehicle, the 1-C of pick up camera portion obtains the obstacle information (step ST3-1a) of vehicle periphery, and obtains identification information (step ST3-1b).
And the 1-C of pick up camera portion obtains the information (step ST3-1c, step ST3-1d) of travel information and weather or at least one aspect among the time period.Export these information to dangerous zone judging part 2 from the 1-C of pick up camera portion.
The Rule of judgment of the information of dangerous zone judging part 2 based on from the 1-C of pick up camera portion input and the regulation of reading from memory storage 2-A, the degree of risk of the road area that this car is travelled checks, and exports degree of risk to output gain value judging part 5e.
Output gain value judging part 5e decides the yield value of output warning tones according to the degree of risk of inputting from dangerous zone judging part 2, and it is set loud speaker output processing part 5d.Thus, loud speaker output processing part 5d, according to the output gain value being set by output gain value judging part 5e, changes (step ST3-2) to the output volume of warning tones.
In addition, dangerous zone judging part 2 also can will be made as mark by the hazard level of the accessed information of the 1-C of pick up camera portion, thereby according to the summation of the mark of the mark of various information or much information, decides degree of risk.
In the above description, show the situation that warning tones generation device 5 has output gain value judging part 5e, but as shown in Figure 9,, the structure that there is no output gain value judging part 5e in employing, omit the processing (step ST3-2) of the output volume that changes warning tones.
Then, dangerous zone judging part 2 is based on by the accessed information of the 1-C of pick up camera portion, with reference to the Rule of judgment of the regulation of reading from memory storage 2-A, decide degree of risk, and based on representing the information of this degree of risk, whether the region that this car is just being travelled is that dangerous zone judges (step ST3-3).
Here, if be judged as YES dangerous zone (step ST3-3: be), dangerous zone judging part 2 is to be that the judged result of dangerous zone exports warning tones closing control inhibiting apparatus 3 to by content, being judged as (step ST3-3: no) be not dangerous zone in the situation that, is to be that the judged result of island exports warning tones closing control inhibiting apparatus 3 to by content.
Below, the processing from step ST3-4 to step ST3-11 with above-mentioned embodiment 1, use Figure 11 illustrated, identical to the processing of step ST1-11 from step ST1-4.In addition, during carrying out the processing of Figure 24, if disconnect the key switch of vehicle, the flexible piezoelectric sound-generating devices outside car of embodiment 3 can produce the interruption of the system finishing of Figure 12 illustrated in above-mentioned embodiment 1.And, in the structure of embodiment 3, also can be applied in interruption processing in the situation of the operation that can only utilize switch 4 to carry out the generation of closing control warning tones, Figure 13 and in the case of can utilize switch 4 carry out closing control warning tones generation operation and open interruption processing these two kinds of operations of operation of the generation of controlling warning tones, Figure 14.
As mentioned above, according to present embodiment 3, the flexible piezoelectric sound-generating devices outside car comprises: the memory storage 2-A of storage to the Rule of judgment that travels on the situation of vehicle of dangerous zone and be described, and obtain the information acquiring section of information of the situation that represents vehicle, be the 1-C of pick up camera portion, described flexible piezoelectric sound-generating devices outside car by by the 1-C of pick up camera portion accessed have a clear, range information between obstacle and vehicle, identification information, travel information, and the real-time information such as weather and time period, compare with the Rule of judgment of reading from memory storage 2-A, whether this vehicle is just being travelled on to dangerous zone judges, even if carried out indicating the operation that stops the switch 4 of exporting warning tones from outside, if just travelling on dangerous zone but be judged as vehicle, do not stop the output of warning tones yet.
In addition, can utilize the pick up camera such as drive recorder or afterbody pick up camera being installed in advance on vehicle as the 1-C of pick up camera portion.
Figure 25 is the integrally-built block diagram that represents the system of the flexible piezoelectric sound-generating devices outside car that uses embodiments of the present invention 4.In Figure 25, the flexible piezoelectric sound-generating devices outside car in embodiment 4 comprises car-mounted device 1-D, to replace the homing advice 1-A in the structure of Fig. 2 illustrated in above-mentioned embodiment 1.In addition, for the structure identical or suitable with structure in Fig. 1 and Fig. 2, mark identical label, description thereof is omitted.
Car-mounted device 1-D is the equipment being installed on car, comprises car speed sensor that vehicle speed signal is detected, obtains the astern signal of the situation that expression hung backward gear and represents car light, indicator and rain brush to carry out equipment and ETC (electronic charging system without parking (Electronic Toll Collection)) (registered trade mark (RTM) of the operation signal of the situation of operation; Below omit and record) or the bus such as optical signal platform between communicator.To be notified to dangerous zone judging part 2 by the accessed information of car-mounted device 1-D.
In addition, notify the moment to dangerous zone judging part 2 for car-mounted device 1-D by information, dangerous zone judging part 2 can not be also all the time car-mounted device 1-D to be monitored, but every certain hour arbitrarily or the certain distance that often travels arbitrarily from car-mounted device 1-D Information Monitoring.Also can, according at least one party's of the inside of vehicle or outside environmental change, dynamically change this time and operating range arbitrarily.So-called this environmental change, the variation that can enumerate time period, the speed of a motor vehicle, weather etc.For example, in the situation that the speed of a motor vehicle is slower than certain speed, also can increase by shortening certain hour and operating range the number of times of obtaining information, faster than certain speed in the situation that, also can reduce by extending certain hour and operating range the number of times of obtaining information in the speed of a motor vehicle.In addition, the mechanisms such as the switch that can set certain hour and operating range also can be set, thereby by user's operation, they be changed.Change by the moment that like this dynamically makes obtaining information, can process efficiently.
The in the situation that of producing warning tones in the time only having when low speed driving, dangerous zone judging part 2 also can only gather vehicle speed signal from car-mounted device 1-D all the time, in the vehicle speed range of regulation, judge in above-mentioned dangerous zone among the information using, also obtain other information except vehicle speed signal, and outside the vehicle speed range of afore mentioned rules (while running at high speed), do not obtain the information except vehicle speed signal.In addition, the information gathering all the time, as long as grasping the information of moving velocity of this car, can be also the information except vehicle speed signal.
Dangerous zone judging part 2 utilizes the information getting from car-mounted device 1-D, checks the hazard level in the region of just travelling, thereby if can judge adventurous dangerous zone whether closing arbitrarily warning tones in user.In the situation that being judged as in dangerous zone, the advisory that dangerous zone judging part 2 is dangerous zone by running region is to warning tones closing control inhibiting apparatus 3.
Figure 26 is the figure that represents to be stored in an example (example 1) of the judgement form in the memory storage 2-A of embodiment 4, represent judging together with the judged result of form and dangerous zone judging part 2, describedly judge that form gathers judging the condition that the running region of this car is dangerous zone.
Speed information, the car light of dangerous zone judging part 2 based on getting from car-mounted device 1-D have or not light, indicator has attonity, rain brush has attonity and represent whether to carry out the information etc. of reverse travel, according to the conditional content that judges form shown in Figure 26, whether the running region of this car is set up, dangerous zone is judged.For example, Figure 26 shows following situation:, according to the number order that Rule of judgment is identified, the content of condition is judged, the running region of this car meet judge 1 " just carrying out low speed (being less than or equal to threshold value arbitrarily) travels? " condition.
Figure 27 is the figure that represents to be stored in other examples (example 2) of the judgement form in the memory storage 2-A of embodiment 4, to judging that form appends the mark (degree of risk) that represents the hazard level corresponding with conditional content, represent appending together with the judged result of rear obtained form and dangerous zone judging part 2, describedly judge that form gathers judging the condition that the running region of this car is dangerous zone.For degree of risk, identical with embodiment 1, for example situation larger danger is made as to 10, situation less danger is made as to 1, between allocation level 2～9.
In the example of Figure 27, the threshold value relevant with degree of risk is " 8 ", the running region of this car meet judge 2 " just lighting car light? " condition and judge 3 " indicator moves? " condition.In this case, the degree of risk " 4 " corresponding with the condition that judges 2 and degree of risk " 4 " sum corresponding with the condition that judges 3 are " 8 ", because degree of risk sum is more than or equal to threshold value " 8 ", therefore, are judged as YES " dangerous zone ".
Figure 28 is the figure that represents to be stored in other examples (example 3) of the judgement form in the memory storage 2-A of embodiment 4, to judging that form appends the condition of appending and the degree of risk corresponding with conditional content about the speed of a motor vehicle, represent appending together with the judged result of rear obtained form and dangerous zone judging part 2, describedly judge that form gathers judging the condition that the running region of this car is dangerous zone.
In the judgement form shown in Figure 27, with threshold value arbitrarily (for example, speed per hour 30km) be benchmark, to " just carrying out low speed driving? " this conditional content extraneous risks degree " 8 ", even if but the speed of a motor vehicle is less than or equal to above-mentioned threshold value, and very fast and in vehicle speed range to a certain degree in the speed of a motor vehicle, this degree of risk is also too high, and described vehicle speed range is to a certain degree to be contemplated to the vehicle speed range that makes pedestrian perceive the less situation of occasion that this car exists.
Thereby, as shown in figure 28, " just carrying out low speed driving? " in this conditional content, as the condition of appending, if the speed of a motor vehicle is " speed per hour 20～30km ", this speed of a motor vehicle is to be contemplated to the speed of a motor vehicle that makes pedestrian perceive the less situation of occasion that this car exists, degree of risk is made as " 4 ", if the speed of a motor vehicle is " in speed per hour 20km ", this speed of a motor vehicle is to be contemplated to the speed of a motor vehicle that makes pedestrian perceive the more situation of occasion that this car exists, and degree of risk is made as " 9 ".
In addition, in the example of Figure 28, the threshold value relevant to degree of risk is " 8 ", the running region of this car meet judge 1 " just carrying out low speed driving? " condition and append condition " speed per hour 20～30km ", and meet judge 4 " rain brush just moves? " condition.In this case, with judge that degree of risk " 4 " that 1 condition and the condition of appending are corresponding and degree of risk " 4 " sum corresponding with the condition that judges 4 are " 8 ", because degree of risk sum is more than or equal to threshold value " 8 ", therefore, be judged as YES " dangerous zone ".
Electronlmobil noise in the time carrying out low speed driving is very little, is difficult to around be perceived.
Thereby, utilize the moving velocity information that obtains from vehicle speed signal, in the situation that moving velocity is less than arbitrarily threshold value, is judged as and just travels on dangerous zone.
On the contrary, due in the time running at high speed, degree of risk is corresponding increase along with the raising of speed, therefore, in the situation that moving velocity is more than or equal to arbitrarily threshold value, also can be judged as and just travelling on dangerous zone.
In the time rearward travelling, narrow while travelling than forwards in the visual field of chaufeur, abnormally dangerous.
Thereby, in the time knowing according to astern signal to travel in vehicle forward rear, also can be judged as and just travel on dangerous zone.
Can obtain and represent to have or not the information of lighting car light from the operation signal of car light.
In the situation that car light is lighted, therefore, also can be judged as vehicle not travel on dangerous zone owing to easily visually noticing around.
On the contrary, in the time that car light is lighted, because vehicle periphery is darker, chaufeur is difficult to perceive obstacle, therefore, also can be judged as and just travel on dangerous zone.
Can obtain the information that represents that vehicle is just turning left or turning right from the operation signal of indicator.
In the time turning left or turn right, dead angle is more, travels abnormally dangerous under the state that there is no warning tones.
Thereby, in the case of perceiving according to the operation signal of indicator vehicle just turning left or turn right, also can be judged as and just travel on dangerous zone.
In addition, also can obtain from the operation signal of indicator the information that change in track.
Due in the time carrying out track change, need to make other vehicles around notice that this car exists, and therefore, also can be judged as and just travel on dangerous zone.
From the operation signal of rain brush, can obtain car rainy information outward whether.
Rainy in the situation that, the sound that likely causes travelling because raining becomes more unpleasant to hear and arrives.
Thereby, in the time that rain brush moves, also can be judged as and just travel on dangerous zone.
In addition, also can judge whether just to travel on dangerous zone according to the speed of rain brush.
From communication facilities between the bus that comprises ETC and optical signal platform, can obtain the kind of the road that expressway or ordinary road are such, this car is just travelling.
In this case, owing to there is no pedestrian on expressway, therefore, be judged as and do not travel on dangerous zone.
But, due at service zone internal memory pedestrian, therefore, also can be judged as and just travel on dangerous zone.
In addition, in embodiment 4, the structure of warning tones closing control inhibiting apparatus 3 is identical with the structure of the Fig. 8 shown in above-mentioned embodiment 1.About the 26S Proteasome Structure and Function of switch 4, the outer loud speaker 6 of car, internal loudspeaker 7 and read out instrument 8, also identical with content illustrated in above-mentioned embodiment 1.And the structure of warning tones generation device 5 is identical with the structure of the Fig. 9 shown in above-mentioned embodiment 1 or Figure 10.
In the following description, about the structure of the flexible piezoelectric sound-generating devices outside car in embodiment 4, except Figure 25, also with reference to Fig. 8～10.
Figure 29 is the diagram of circuit of the flow process of the action that represents that the flexible piezoelectric sound-generating devices outside car of embodiment 4 carries out, show warning tones and produce the details of processing, described warning tones produces processes the judgement that comprises the corresponding closing control of forbidding warning tones of the degree of risk regional with travelling of this car.
First,, if connect the key switch of vehicle, car-mounted device 1-D obtains vehicle speed signal (step ST4-1a), and obtains astern signal (step ST4-1b).
And car-mounted device 1-D obtains the communication information between car light information, indicator information, rain brush information and bus (step ST4-1c, step ST4-1d, step ST4-1e, step ST4-1f).Export these information to dangerous zone judging part 2 from car-mounted device 1-D.
The Rule of judgment of the information of dangerous zone judging part 2 based on from car-mounted device 1-D input and the regulation of reading from memory storage 2-A, the degree of risk of the road area that this car is travelled checks, and exports degree of risk to output gain value judging part 5e.
Output gain value judging part 5e decides the yield value of output warning tones according to the degree of risk of inputting from dangerous zone judging part 2, and it is set loud speaker output processing part 5d.Thus, loud speaker output processing part 5d, according to the output gain value being set by output gain value judging part 5e, changes (step ST4-2) to the output volume of warning tones.
In addition, dangerous zone judging part 2 also can will be made as mark by the hazard level of the accessed information of car-mounted device 1-D, thereby according to the summation of the mark of the mark of various information or much information, decides degree of risk.
In the above description, show the situation that warning tones generation device 5 has output gain value judging part 5e, but as shown in Figure 9,, the structure that there is no output gain value judging part 5e in employing, omit the processing (step ST4-2) of the output volume that changes warning tones.
Then, dangerous zone judging part 2 is based on by the accessed information of car-mounted device 1-D, with reference to the Rule of judgment of the regulation of reading from memory storage 2-A, decide degree of risk, and based on representing the information of this degree of risk, whether the region that this car is just being travelled is that dangerous zone judges (step ST4-3).
Here, if be judged as YES dangerous zone (step ST4-3: be), dangerous zone judging part 2 is to be that the judged result of dangerous zone exports warning tones closing control inhibiting apparatus 3 to by content, being judged as (step ST4-3: no) be not dangerous zone in the situation that, is to be that the judged result of island exports warning tones closing control inhibiting apparatus 3 to by content.
Below, the processing from step ST4-4 to step ST4-11 with above-mentioned embodiment 1, use Figure 11 illustrated, identical to the processing of step ST1-11 from step ST1-4.In addition, during carrying out the processing of Figure 29, if disconnect the key switch of vehicle, the flexible piezoelectric sound-generating devices outside car of embodiment 4 can produce the interruption of the system finishing of Figure 12 illustrated in above-mentioned embodiment 1.And, in the structure of embodiment 4, also can be applied in interruption processing in the situation of the operation that can only utilize switch 4 to carry out the generation of closing control warning tones, Figure 13 and in the case of can utilize switch 4 carry out closing control warning tones generation operation and open interruption processing these two kinds of operations of operation of the generation of controlling warning tones, Figure 14.
As mentioned above, according to present embodiment 4, the flexible piezoelectric sound-generating devices outside car comprises: the memory storage 2-A of storage to the Rule of judgment that travels on the situation of vehicle of dangerous zone and be described; And obtain information acquiring section, i.e. the car-mounted device 1-D of the information of the situation that represents vehicle, described flexible piezoelectric sound-generating devices outside car is by by the accessed information of car-mounted device 1-D, compare with the Rule of judgment read from memory storage 2-A, whether this vehicle is just being travelled on to dangerous zone judges, even if carried out indicating the operation that stops the switch 4 of exporting warning tones from outside, if just travelling on dangerous zone but be judged as vehicle, also do not stopping the output of warning tones.
In addition, can utilize the detection vehicle speed signal being loaded in advance on vehicle car speed sensor, obtain the astern signal of the situation that expression hung backward gear and represent car light, indicator and rain brush have been carried out to communicator between the equipment of operation signal of the situation of operation and bus, be used as car-mounted device 1-D.
Figure 30 is the integrally-built block diagram that represents the system of the flexible piezoelectric sound-generating devices outside car that uses embodiments of the present invention 5.In Figure 30, judge information acquisition device as dangerous zone, the flexible piezoelectric sound-generating devices outside car in embodiment 5 comprises illustrated car-mounted device 1-D in the 1-C of pick up camera portion illustrated in the 1-B of sensor portion illustrated in homing advice 1-A illustrated in above-mentioned embodiment 1, above-mentioned embodiment 2, above-mentioned embodiment 3 and above-mentioned embodiment 4.In addition, for the structure identical or suitable with structure in Fig. 1 and Fig. 2, mark identical label, description thereof is omitted.
Above-mentioned dangerous zone in embodiment 5 judges that information acquisition device is by the action identical with above-mentioned embodiment 1～4, obtain current time information, current location information, travel information (kind of the roads such as road width, ordinary road or expressway, limited speed, four corners, bend etc.), Frequent Accidents regional information, peripheral facilities information, vehicle periphery has range information between clear and obstacle and vehicle etc., and they is notified to dangerous zone judging part 2.
In addition, judge that for above-mentioned dangerous zone information notified the moment to dangerous zone judging part 2 by information acquisition device, dangerous zone judging part 2 can not be also all the time above-mentioned dangerous zone to be judged to information acquisition device monitors, but every certain hour or the certain distance arbitrarily that often travels judge information acquisition device Information Monitoring from above-mentioned dangerous zone arbitrarily.Also can, according at least one party's of the inside of vehicle or outside environmental change, dynamically change this time and operating range arbitrarily.So-called this environmental change, the variation that can enumerate the peripheral facilities etc. of time period, the speed of a motor vehicle, weather and running region.For example, also can the time period be from 8 o'clock to 20 o'clock during, by shortening certain hour and operating range, increase the number of times of obtaining information, the time period be from 20 o'clock to 8 o'clock during, by extending certain hour and operating range, reduce the number of times of obtaining information.In addition, the mechanisms such as the switch that can set certain hour and operating range also can be set, thereby by user's operation, they be changed.Change by the moment that like this dynamically makes obtaining information, can process efficiently.
The in the situation that of producing warning tones in the time only having when low speed driving, dangerous zone judging part 2 also can judge from above-mentioned dangerous zone that information acquisition device only gathers speed information all the time, in the vehicle speed range of regulation, judge in above-mentioned dangerous zone among the information using, also obtain other information except speed information, and outside the vehicle speed range of afore mentioned rules (while running at high speed), do not obtain the information except speed information.In addition, the information gathering all the time, as long as grasping the information of moving velocity of this car, can be also the information except speed information.
Dangerous zone judging part 2 utilizes from the dangerous zone of embodiment 5 and judges the information that information acquisition device gets, check the hazard level in the region of just travelling, thereby if can judge adventurous dangerous zone whether closing arbitrarily warning tones in user.In the situation that being judged as in dangerous zone, the advisory that dangerous zone judging part 2 is dangerous zone by running region is to warning tones closing control inhibiting apparatus 3.
Figure 31 is the figure that represents to be stored in an example (example 1) of the judgement form in the memory storage 2-A of embodiment 5, represent judging together with the judged result of form and dangerous zone judging part 2, describedly judge that form gathers judging the condition that the running region of this car is dangerous zone.
Whether dangerous zone judging part 2, based on judging from the dangerous zone of embodiment 5 information that information acquisition device is accessed, is set up the running region of this car according to the conditional content that judges form shown in Figure 31, and dangerous zone is judged.
For example, Figure 31 shows following situation:, according to the number order that Rule of judgment is identified, the content of condition is judged, according to by the accessed information of the 1-B of sensor portion, the running region of this car meet judge 11 " having pedestrian around? " condition, according to by the accessed information of the 1-C of pick up camera portion, the running region of this car meet judge 21 " having obstacle around? " condition., detected as obstacle by the 1-C of pick up camera portion by the detected pedestrian of the 1-B of sensor portion.
Figure 32 is the figure that represents to be stored in other examples (example 2) of the judgement form in the memory storage 2-A of embodiment 5, to judging that form appends the condition relevant with the running time of this car, represent appending together with the judged result of rear obtained form and dangerous zone judging part 2, describedly judge that form gathers judging the condition that the running region of this car is dangerous zone.
Dangerous zone judging part 2 is based on judge the above-mentioned information that information acquisition device is accessed from the dangerous zone of embodiment 5, according to the conditional content that judges form shown in Figure 32 with append condition whether the running region of this car is set up, dangerous zone is judged.
In the example of Figure 32, show following situation:, according to the number order that Rule of judgment is identified, the content of condition is judged, according to by the accessed information of homing advice 1-A, the running region of this car meet judge 02 " having primary school around? " condition, and also meet the condition of appending " being in the time that classes are over of going to school ", according to by the accessed information of the 1-C of pick up camera portion, the running region of this car meet judge 22 " just travelling on school zone? " condition, and also meet the condition of appending " being in the time that classes are over of going to school ".In the case of judge like this any one condition of form and append condition set up, the running region that judges this car is dangerous zone.
Figure 33 is the figure that represents to be stored in other examples (example 3) of the judgement form in the memory storage 2-A of embodiment 5, to judging that form appends the mark (degree of risk) that represents the hazard level corresponding with conditional content, represent appending together with the judged result of rear obtained form and dangerous zone judging part 2, describedly judge that form gathers judging the condition that the running region of this car is dangerous zone.For degree of risk, identical with embodiment 1, for example situation larger danger is made as to 10, situation less danger is made as to 1, between allocation level 2～9.
In the example of Figure 33, the threshold value relevant with degree of risk is " 8 ", according to by the accessed information of homing advice 1-A, the running region of this car meet judge 05 " limited speed is less than or equal to speed per hour 20km? " condition, according to by the accessed information of car-mounted device 1-D, the running region of this car meet judge 31 " just carrying out low speed driving? " condition.In this case, the degree of risk " 3 " corresponding with the condition that judges 05 and degree of risk " 8 " sum corresponding with the condition that judges 31 are " 11 ", because degree of risk sum is more than or equal to threshold value " 8 ", therefore, are judged as YES " dangerous zone ".
Figure 34 is the figure that represents to be stored in other examples (example 3) of the judgement form in the memory storage 2-A of embodiment 5, to judge form append about the condition of appending of distance, road width and the speed of a motor vehicle between running time section, obstacle and this car and with conditional content corresponding degree of risk, represent appending together with the judged result of rear obtained form and dangerous zone judging part 2, describedly judge that form gathers judging the condition that the running region of this car is dangerous zone.
In the judgement form shown in Figure 33, with threshold value arbitrarily (for example, speed per hour 30km) be benchmark, to " just carrying out low speed driving? " this conditional content extraneous risks degree " 8 ", even if but the speed of a motor vehicle is less than or equal to above-mentioned threshold value, and very fast and in vehicle speed range to a certain degree in the speed of a motor vehicle, this degree of risk is also too high, and described vehicle speed range is to a certain degree to be contemplated to the vehicle speed range that makes pedestrian perceive the less situation of occasion that this car exists.
Thereby, as shown in figure 34, " just carrying out low speed driving? " in this conditional content, as the condition of appending, if the speed of a motor vehicle is " speed per hour 20～30km ", this speed of a motor vehicle is to be contemplated to the speed of a motor vehicle that makes pedestrian perceive the less situation of occasion that this car exists, degree of risk is made as " 4 ", if the speed of a motor vehicle is " in speed per hour 20km ", this speed of a motor vehicle is to be contemplated to the speed of a motor vehicle that makes pedestrian perceive the more situation of occasion that this car exists, and degree of risk is made as " 9 ".
In addition, in the example of Figure 34, the threshold value relevant with degree of risk is " 8 ", the running region of this car meet judge 2 " having primary school around? " condition and append condition " beyond the time that classes are over of going to school ", and meet judge 22 " just travelling on school zone? " condition and append condition " beyond the time that classes are over of going to school ", meet judge 31 " just carrying out low speed driving? " condition and append condition " speed per hour 20～30km ".In this case, the degree of risk " 3 " corresponding with judging 2 condition and the condition of appending, with judge degree of risk " 3 " that 22 condition and the condition of appending are corresponding and corresponding degree of risk " 4 " sum is " 10 " with judging 31 condition and the condition of appending, because degree of risk sum is more than or equal to threshold value " 8 ", therefore, be judged as YES " dangerous zone ".
In addition, in embodiment 5, the structure of warning tones closing control inhibiting apparatus 3 is identical with the structure of the Fig. 8 shown in above-mentioned embodiment 1.About the 26S Proteasome Structure and Function of switch 4, the outer loud speaker 6 of car, internal loudspeaker 7 and read out instrument 8, also identical with content illustrated in above-mentioned embodiment 1.And the structure of warning tones generation device 5 is identical with the structure of the Fig. 9 shown in above-mentioned embodiment 1 or Figure 10.
In the following description, about the structure of the flexible piezoelectric sound-generating devices outside car in embodiment 5, except Figure 30, also with reference to Fig. 8～10.
Figure 35 is the diagram of circuit of the flow process of the action that represents that the flexible piezoelectric sound-generating devices outside car of embodiment 5 carries out, show warning tones and produce the details of processing, described warning tones produces processes the judgement that comprises the corresponding closing control of forbidding warning tones of the degree of risk regional with travelling of this car.
First, if connect the key switch of vehicle, homing advice 1-A utilizes GPS receiver to obtain current time information, obtains current location information, and obtains travel information, Frequent Accidents regional information and peripheral facilities information (step ST5-1a).
In addition, the obstacles such as pedestrian, Light-duty Vehicle/motor bike and other vehicle of the 1-B of sensor portion to vehicle periphery detect, thus the range information (step ST5-1b) between information and this obstacle and the vehicle of the kind of this obstacle of acquisition expression.
The 1-C of pick up camera portion obtains the obstacle information of vehicle periphery, obtains identification information, and obtains the information (step ST5-1c) of travel information and weather or at least one aspect among the time period.
Car-mounted device 1-D obtains vehicle speed signal, obtains astern signal, and obtains the communication information (step ST5-1d) between car light information, indicator information, rain brush information and bus.
Using these information as judging that from the dangerous zone of embodiment 5 dangerous zone of information acquisition device judges information, export dangerous zone judging part 2 to from homing advice 1-A, the 1-B of sensor portion, the 1-C of pick up camera portion and car-mounted device 1-D.
The Rule of judgment of the regulation of dangerous zone judging part 2 based on judging the information of information acquisition device input from the dangerous zone of embodiment 5 and read from memory storage 2-A, the degree of risk of the road area that this car is travelled checks, and exports degree of risk to output gain value judging part 5e.
Output gain value judging part 5e decides the yield value of output warning tones according to the degree of risk of inputting from dangerous zone judging part 2, and it is set loud speaker output processing part 5d.Thus, loud speaker output processing part 5d, according to the output gain value being set by output gain value judging part 5e, changes (step ST5-2) to the output volume of warning tones.
In addition, dangerous zone judging part 2 also can be made as mark by the hazard level that is judged the accessed information of information acquisition device by the dangerous zone of embodiment 5, thereby according to the summation of the mark of the mark of various information or much information, decides degree of risk.
In the above description, show the situation that warning tones generation device 5 has output gain value judging part 5e, but as shown in Figure 9,, the structure that there is no output gain value judging part 5e in employing, omit the processing (step ST5-2) of the output volume that changes warning tones.
Then, dangerous zone judging part 2 is based on judging by the dangerous zone of embodiment 5 information that information acquisition device is accessed, with reference to the Rule of judgment of the regulation of reading from memory storage 2-A, decide degree of risk, and based on representing the information of this degree of risk, whether the region that this car is just being travelled is that dangerous zone judges (step ST5-3).
Here, if be judged as YES dangerous zone (step ST5-3: be), dangerous zone judging part 2 is to be that the judged result of dangerous zone exports warning tones closing control inhibiting apparatus 3 to by content, being judged as (step ST5-3: no) be not dangerous zone in the situation that, is to be that the judged result of island exports warning tones closing control inhibiting apparatus 3 to by content.
Below, the processing from step ST5-4 to step ST5-11 with above-mentioned embodiment 1, use Figure 11 illustrated, identical to the processing of step ST1-11 from step ST1-4.In addition, during carrying out the processing of Figure 35, if disconnect the key switch of vehicle, the flexible piezoelectric sound-generating devices outside car of embodiment 5 can produce the interruption of the system finishing of Figure 12 illustrated in above-mentioned embodiment 1.And, in the structure of embodiment 5, also can be applied in interruption processing in the situation of the operation that can only utilize switch 4 to carry out the generation of closing control warning tones, Figure 13 and in the case of can utilize switch 4 carry out closing control warning tones generation operation and open interruption processing these two kinds of operations of operation of the generation of controlling warning tones, Figure 14.
As mentioned above, according to present embodiment 5, the flexible piezoelectric sound-generating devices outside car comprises: the memory storage 2-A of storage to the Rule of judgment that travels on the situation of vehicle of dangerous zone and be described, and obtain the information acquiring section of information of the situation that represents vehicle, be homing advice 1-A, the 1-B of sensor portion, the 1-C of pick up camera portion, with car-mounted device 1-D, described flexible piezoelectric sound-generating devices outside car will be by homing advice 1-A, the 1-B of sensor portion, the 1-C of pick up camera portion, with the accessed information of car-mounted device 1-D, compare with the Rule of judgment of reading from memory storage 2-A, whether this vehicle is just being travelled on to dangerous zone judges, even if carried out indicating the operation that stops the switch 4 of exporting warning tones from outside, if just travelling on dangerous zone but be judged as vehicle, do not stop the output of warning tones yet.
Because whether the flexible piezoelectric sound-generating devices outside car involved in the present invention can just travel on hazardous location according to vehicle, control stopping warning tones by user, therefore, be applicable to the to travel generation device of simulated driving sound of less electronlmobil of sound etc.
1. the flexible piezoelectric sound-generating devices outside car, described flexible piezoelectric sound-generating devices outside car is loaded on vehicle, and output sound outside car, is characterized in that, comprising:
Sound generating unit, this sound generating unit produces the sound outside car;
Storage part, this storage portion stores is to the Rule of judgment that judges that the area of travelling is described for the situation of the vehicle of dangerous zone;
Information acquiring section, this information acquiring section is obtained the information of the situation that represents described vehicle;
Judging part, this judging part by the information of the situation by the accessed described vehicle of expression of described information acquiring section, compare with the described Rule of judgment read from described storage part, thereby whether this vehicle is just being travelled on to dangerous zone judges; And
Control part, this control part is controlled the output of described sound generating unit, even and carried out indication from outside and stop the predetermined operation of output sound, if but be judged as described vehicle by described judging part and just travelling on dangerous zone, the output of described sound generating unit do not stopped yet.
2. the flexible piezoelectric sound-generating devices outside car as claimed in claim 1, is characterized in that,
Described information acquiring section is obtained the information of the situation that represents described vehicle at regular intervals,
Described judging part by by described information acquiring section at regular intervals the situation of accessed this vehicle of expression information, compare with the described Rule of judgment read from described storage part, thereby whether this vehicle is just being travelled on to dangerous zone judge.
3. the flexible piezoelectric sound-generating devices outside car as claimed in claim 1, is characterized in that,
Described information acquiring section is obtained the information of the situation that represents described vehicle in the time that described vehicle often travels certain distance,
Described control part by the information by described information acquiring section situation of accessed this vehicle of expression in the time that described vehicle often travels certain distance, compare with the described Rule of judgment read from described storage part, thereby whether this vehicle is just being travelled on to dangerous zone judges.
4. the flexible piezoelectric sound-generating devices outside car as claimed in claim 1, is characterized in that,
Described storage part is stored the ground thing or the obstacle that around vehicle, whether there are regulation as described Rule of judgment,
Ground thing or the obstacle of the described regulation of the surrounding of described information acquiring section to described vehicle detect,
Described judging part by the ground thing by the detected described regulation of described information acquiring section or obstacle, compare with the described Rule of judgment of reading from described storage part, thereby whether this vehicle is just being travelled on to dangerous zone judges.
5. the flexible piezoelectric sound-generating devices outside car as claimed in claim 1, is characterized in that,
Whether described storage part will exist the ground thing of regulation and the running time section of described vehicle to store as described Rule of judgment around vehicle,
Described information acquiring section is to existing the ground thing of described regulation and the running time section of described vehicle to detect around described vehicle,
Described judging part by the running time section of the ground thing by the detected described regulation of described information acquiring section and described vehicle, compare with the described Rule of judgment read from described storage part, thereby whether this vehicle is just being travelled on to dangerous zone judges.
6. the flexible piezoelectric sound-generating devices outside car as claimed in claim 1, is characterized in that,
Described storage part is stored the distance between the obstacle and described obstacle and the described vehicle that whether have regulation around vehicle as described Rule of judgment,
Described information acquiring section detects the distance between the obstacle and described obstacle and the described vehicle that whether have regulation around described vehicle,
Described judging part by the distance between the obstacle by the detected described regulation of described information acquiring section and this obstacle and described vehicle, compare with the described Rule of judgment read from described storage part, thereby whether this vehicle is just being travelled on to dangerous zone judges.
7. the flexible piezoelectric sound-generating devices outside car as claimed in claim 1, is characterized in that,
Described storage part is stored the vehicle speed range of regulation as described Rule of judgment,
Described information acquiring section detects the speed of a motor vehicle of described vehicle,
Described judging part by the speed of a motor vehicle by the detected described vehicle of described information acquiring section, compare with the vehicle speed range of the described Rule of judgment read from described storage part, thereby whether this vehicle is just being travelled on to dangerous zone judges.
8. the flexible piezoelectric sound-generating devices outside car as claimed in claim 1, is characterized in that,
The road width scope of the regulation of the road that described storage part travels vehicle is stored as described Rule of judgment,
The road width of the road that described information acquiring section is travelled to described vehicle detects,
Described judging part by the road width of the road being travelled by the detected described vehicle of described information acquiring section, compare with the road width scope of the described regulation of the described Rule of judgment read from described storage part, thereby whether this vehicle is just being travelled on to dangerous zone judges.
9. the flexible piezoelectric sound-generating devices outside car as claimed in claim 1, is characterized in that,
Described information acquiring section, according to the environmental change of at least one party in vehicle or outside vehicle, dynamically changes the moment of the information of obtaining the situation that represents described vehicle.
10. the flexible piezoelectric sound-generating devices outside car as claimed in claim 1, is characterized in that,
Described flexible piezoelectric sound-generating devices outside car comprises prompting part, and this prompting part is to user's side information,
Described control part is during being judged as described vehicle by described judging part and just travelling on dangerous zone, if carried out indicating the predetermined operation that stops sound from outside, via described prompting part, point out content that described predetermined operation is invalid, maybe can not stop the content of the output of described sound generating unit.
11. flexible piezoelectric sound-generating devices outside car as claimed in claim 10, is characterized in that,
Described control part is during being judged as described vehicle by described judging part and just travelling on dangerous zone, and via described prompting part, prompting can not be indicated the reason of the predetermined operation that stops output sound.
12. flexible piezoelectric sound-generating devices outside car as claimed in claim 1, is characterized in that,
Described storage part is stored the hazard level of dangerous zone as described Rule of judgment,
Described control part, according to described hazard level, changes the output volume of described sound generating unit.
CN201080005559.3A 2010-05-26 2010-05-26 Device for generating sound to outside of vehicle CN102361777B (en)
PCT/JP2010/003528 WO2011148417A1 (en) 2010-05-26 2010-05-26 Device for generating sound to outside of vehicle
CN102361777A CN102361777A (en) 2012-02-22
CN102361777B true CN102361777B (en) 2014-06-18
ID=44193909
CN201080005559.3A CN102361777B (en) 2010-05-26 2010-05-26 Device for generating sound to outside of vehicle
US (1) US8121755B2 (en)
JP (1) JP4688981B1 (en)
CN (1) CN102361777B (en)
DE (1) DE112010003080B4 (en)
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