Source: https://patents.google.com/patent/JP3759890B2/en
Timestamp: 2020-01-22 23:30:04
Document Index: 340515691

Matched Legal Cases: ['art 117', 'arts 162', 'arts 163', 'arts 162', 'art 162', 'arts 162', 'art\n13', 'art\n19']

JP3759890B2 - Condition sensor for examining the condition of pneumatic tires - Google Patents
Condition sensor for examining the condition of pneumatic tires Download PDF
JP3759890B2
JP3759890B2 JP2001255403A JP2001255403A JP3759890B2 JP 3759890 B2 JP3759890 B2 JP 3759890B2 JP 2001255403 A JP2001255403 A JP 2001255403A JP 2001255403 A JP2001255403 A JP 2001255403A JP 3759890 B2 JP3759890 B2 JP 3759890B2
JP2001255403A
JP2002144830A (en
▲莊▼▲啓▼輝
慶雄 郭
敦揚科技股▲ふん▼有限公司
2000-09-02 Priority to TW89118096A priority Critical patent/TW520332B/en
2000-09-02 Priority to TW089118096 priority
2001-08-27 Application filed by 敦揚科技股▲ふん▼有限公司 filed Critical 敦揚科技股▲ふん▼有限公司
2002-05-22 Publication of JP2002144830A publication Critical patent/JP2002144830A/en
2006-03-29 Publication of JP3759890B2 publication Critical patent/JP3759890B2/en
The present invention relates to a state sensor for inspecting the state of a pneumatic tire of a vehicle, and more particularly, to a state sensor for inspecting the state of a pneumatic tire that is attached to a vehicle rim for safety. About.
Conventionally, many apparatuses for inspecting the pressure of a pneumatic tire have been known. For example, US Pat. No. 4,048,614 (Title of Invention: Tire Low Pressure Warning Device, Registration Date: 1997, September 13, Inventor: Shumuway) discloses a tire warning device for a pneumatic tire of a car. This tire warning device is attached to a wheel rim, and has a wireless operation transmitter, a power source, a switch, and a diagram means (diaphragm means). The wireless operation transmitter can issue a warning to the driver when the tire pressure is lower than a predetermined value.
However, the tire warning device described above can issue a warning to the driver only when the tire pressure is lower than a predetermined value and has a complicated structure, so that it can be applied to a modern vehicle. Was difficult.
In addition, US Pat. No. 5,844,131 (Title of Invention: Pressure Sensor Device for Car Pneumatic Tire, Registration Date: 1998, December 1, Inventor: Gebelmann et al.) A pressure sensor device is disclosed.
The pressure sensor device has a housing that is installed on a rim bed in a tire rim and includes at least two base materials for properly supporting the housing in the mounted state.
As described above, since the rim bed has a cylindrical shape or a barrel shape, the housing is supported to the rim bed by two base materials when attached to the rim bed.
However, such a two-point contact often loosens as the vehicle shakes, making it difficult to securely attach the housing to the rim bed. Nevertheless, the sensor element is mounted on the rim of the tire by two base materials and a tire valve and a hollow screw provided thereon, and this configuration necessitates a three-point contact. Therefore, it is practically difficult to mount or attach the sensor element on various rims. Further, not only is antenna means for the pressure sensor required, but the antenna means jumps out of the housing. Therefore, when the tire is repaired, the antenna means is damaged by the repair tool, and as a result, the pressure sensor must be replaced.
Furthermore, in US Pat. No. 6,055,855 (Invention name: pressure sensor wheel mounting device, registration date: May 2, 2000, inventor: Straub), a pressure sensor is mounted on the rim of a car wheel. An attachment device for attachment is disclosed.
According to the pressure sensor wheel mounting apparatus, the pressure sensor and the fiber fastener are included, and the pressure sensor is configured to be mounted to the wheel rim by the fiber fastener and the tire valve stem. is there.
However, even if the pressure sensor is attached only to the valve stem of the tire, there has been a problem that sufficient supportability necessary for the apparatus cannot be obtained. In addition, this pressure sensor wheel mounting device has a spherical curved surface so that it can be properly attached to the rim. However, the spherical curved surface has a problem that the stability of the device is substantially impaired. It was.
Therefore, with any of the tire pressure sensors described herein, it has been difficult to reliably attach the pressure sensor to the wheel rim. Therefore, there has been a demand for an appropriate tire pressure sensor that can be securely attached to the rim of a vehicle tire so that the state of the tire can be inspected at any time.
A main object of the present invention is a state sensor for checking the state of a pneumatic tire, and is used by attaching to a tire rim for safety, and communicates with a receiving means provided outside the tire. It is to provide a state sensor that can be used.
Another object of the present invention is a state sensor for checking the state of a pneumatic tire, which is used for safety on a tire rim and has a relatively compact structure. It is an object of the present invention to provide a state sensor that is less damaged by the repair tool.
Still another object of the present invention is a condition sensor for examining the condition of a pneumatic tire, having an adaptable structure, and an attachment for securely mounting the condition sensor on the tire rim. An object of the present invention is to provide a state sensor further provided with a slider or the like.
In order to achieve such an object, according to the present invention, there is provided a state sensor for checking the state of a pneumatic tire used in a state of being attached to a pneumatic tire of a car, and the tire has a rim bed. Rims are provided. The condition sensor includes a sensor circuit for inspecting a condition of the tire, a power source for supplying electricity to the sensor circuit, and a housing including a cover part and a base part. The sensor circuit and the power source can be accommodated.
The cover portion of the housing is provided with an arcuate surface that draws a recess (which can be said to be an arcuate surface that draws a convex portion when viewed from the opposite side). It is possible to make contact so that an arc-shaped contact line can be formed, and the relative position between the housing and the rim bed can be adjusted by the concave portion of the arc-shaped surface.
According to another aspect of the present invention, a state sensor for examining a state of a pneumatic tire, the state sensor further including a hole for a valve stem including a hole and a tire valve stem, and a tire The rim has a tire valve hole, and a state sensor is used to inspect the state of a pneumatic tire that is properly mounted on the tire valve hole by a hole in the valve stem hole. Provided.
According to another aspect of the present invention, there is provided a state sensor for checking a state of a pneumatic tire used in a state of being attached to a pneumatic tire of a car, and the tire has a rim with a rim bed. It is provided.
The condition sensor includes a sensor circuit for inspecting the condition of the tire, a power source for supplying electricity to the sensor circuit, and a housing including a cover part and a base part.
The base portion of the housing is configured to accommodate the sensor circuit and the power source, and the base portion has two grooves. The cover portion of the housing is provided with a valve stem hole and a tire valve stem, while a tire rim is provided with a tire valve hole. In addition, the state sensor includes two one-way sliders that cooperate with the two groove portions of the base portion and can slide into the groove portion from one direction.
Such a state sensor is provided as a state sensor that can be accurately mounted on the rim bed by the tire valve stem that has passed through the valve stem hole and the two one-way sliders.
Further, according to still another aspect of the present invention, the state sensor for examining the state of the pneumatic tire transmits an radio signal and has an antenna for communicating with a receiving means provided outside the tire. In addition, in order to reduce the possibility of damage to the antenna, a state sensor is provided in which the antenna is arranged along the surface of the base portion.
According to yet another aspect of the present invention, there is provided a state sensor for examining a state of a pneumatic tire, and has an arcuate surface that describes a recess so as to fit with a rim bed of the pneumatic tire. It is preferable that the state sensor is firmly attached to the tire rim.
Furthermore, it is preferable that the state sensor includes an antenna member without any protruding structure, and is configured so that the antenna is not damaged when the tire is repaired.
Objects, advantages, and novel features other than those described above in the present invention will become more apparent from the following detailed description with reference to the drawings.
First, referring to FIGS. 1, 2, and 3, a state sensor 10 for inspecting the state of a pneumatic tire of a vehicle according to the present invention is shown. The state sensor 10 includes a housing including a base portion 17 and a cover portion 11 attached to the base portion 17 with bolts 33 and a thread hole 29.
The base portion 17 includes substantially two spaces (small rooms) for accommodating the battery seat 13 together with the sensor circuit 25 and the battery (battery) 15.
In addition, a valve stem hole 51 having an enlarged hole 53 is provided in the central portion of the base portion 17 so that the tire valve stem 19 passes and extends. The tire valve stem 19 includes a stopper 55 provided with a substantially arc-shaped shoulder 56 at the end. Further, the enlarged hole 53 is also provided with an arc-shaped shoulder portion 35. When the tire valve stem 19 is fixed to the enlarged hole 53 by the nut 31, the tire valve stem 19 is The base portion 17 is configured to be rotatable around the curved arc-shaped shoulder portion 35.
Further, the nut 31 includes a washer 38, and both the nut 31 and the washer 38 have an uneven surface portion so that the nut 31 is not loosened only by the shaking of the vehicle. 19 is preferably attached firmly.
Next, referring to FIG. 4, FIG. 4 shows a cross section of the state sensor 10 for inspecting the state of the pneumatic tire.
When the state sensor 10 is mounted on a wheel of a car (details will be described later), the cover 11 of the housing and the rim bed are in contact with each other, and the centrifugal force generated during operation In order to eliminate the influence of the above and stabilize the sensor circuit 25, the surface of the printed circuit board of the sensor circuit 25 on which the electronic element is mounted must face the cover portion 11.
The sensor circuit 25 preferably includes a specific integrated circuit (ASIC) 47 for sensor applications. As the ASIC 47, for example, a model manufactured by LIGHT-ON Inc. It is available as IB01290 and can be used to detect tire pressure and temperature.
Further, as will be appreciated by those skilled in the art of the present invention, the tire pressure sensor known in the related art also includes a specific integrated circuit (ASIC) for sensor applications, but conventional sensor ASICs and batteries. Since-was sealed together, when the battery ran out, the whole including the pressure sensor had to be replaced.
On the other hand, since the state sensor 10 of the present invention is attached to the battery sheet 13 for monitoring the battery 15 and the cover portion 11 is attached to the base portion 17, it can be removed. The battery 15 is securely attached to the base portion 17 by the battery seat 13, while the battery 15 can be replaced.
Next, referring to FIG. 5, the state sensor 10 for inspecting the state of the pneumatic tire of the vehicle represents a state in which the state sensor 10 is attached to the rim 43 by the tire valve stem 19 and the nut 21. ing.
As can be understood by referring to FIGS. 4 and 5, the cover portion 11 of the state sensor 10 is provided with an arcuate surface 45 having a recess. Since the curvature of the arc-shaped portion in the arc-shaped surface 45 having the recess is the same shape as that of the rim bed 42 of the tire, when the state sensor 10 is mounted on the rim 43, the arc-shaped surface 45 is The rim 43 can contact the rim bed 42 so as to draw an arcuate curve, and the state sensor 10 can be attached to the rim 43 more firmly.
Further, as can be understood by those skilled in the art of the present invention, the tire pressure sensor known in the related art is usually attached to a tire valve stem having a spherical stopper, and the nut is screwed on. In this case, the tire valve stem must be fixed with a specific jig so that it does not rotate. Therefore, it is not easy to attach a conventional tire pressure sensor.
On the other hand, in the state sensor 10 of the present invention, since the tire valve stem 19 has the arc-shaped shoulder portion 56, when the tire valve stem 19 is attached, the nut is screwed into the screw type. Even if it exists, it can prevent that the tire valve stem 19 rotates.
Therefore, in the case of the present invention, the state sensor 10 can be quickly attached to the rim 43.
In addition, the sensor circuit 25 of the state sensor 10 preferably communicates with the receiving means by a radio signal in order to check the state of the tire. For this purpose, the sensor circuit 25 needs to include an antenna 23 for transmitting a radio signal. In that case, as shown in FIGS. 2 and 3, the antenna 23 preferably has a specific shape such as a rectangular shape so that the antenna 23 can be disposed along the surface of the base portion 17 of the state sensor 10.
Further, as shown in FIGS. 5 and 6, the antenna 23 is preferably attached to the surface of the base portion 17. With this configuration, when the tire 41 is removed from the rim, the tire 41 can move in consideration of the position of the state sensor 10 (see FIG. 6), and thus the antenna 23 may be damaged. Less.
As described above, the state sensor 10 of the present invention is used to inspect the state of a pneumatic tire of a vehicle, for example, pressure and temperature, and the cover portion 11 of the state sensor 10 has two through holes 27. It is preferable.
If comprised in this way, it will become possible to detect the state of a tire with the sensor circuit 25. FIG.
Further, as can be understood by those skilled in the art in the technical field of the present invention, it is known that a pneumatic tire has a predetermined squeeze (moisture, humidity). Therefore, in the case of a conventional pneumatic tire sensor, in order for the sensor to detect the pressure and temperature of the tire, it is necessary to eliminate the influence of crimping in the tire from the sensor circuit, and it is made of a special material. Moisture-proof films often had to be used.
On the other hand, in the state sensor 10 of the present invention, it is preferable to set the diameter of the through hole 27 to a value of 0.5 mm or less instead of using a moisture-proof film made of a special material.
In addition, a projection (not shown) is provided on the peripheral surface of the through hole 27 to prevent the intrusion (moisture, humidity) from entering the inside of the state sensor 10, while the sensor circuit 25 changes the state of the tire. Preferably it can be detected.
Next, referring to FIG. 7, FIG. 7 shows a state sensor 100a for inspecting the state of a pneumatic tire of a vehicle in another embodiment of the present invention. Since the configuration of the state sensor 100a is similar to the configuration of the state sensor 10 described above, the same reference numerals are assigned to the same members and displayed.
The state sensor 100a has two unidirectional sliders 161a, while the base part 117a of the state sensor 100a has two groove parts 162a. Further, the two one-way sliders 161a are provided with claw-shaped claw parts 163a as jagged projections, and by cooperating with the two groove parts 162a, the two one-way sliders 161a are It is possible to slide into only one direction and enter the inside of the two groove portions 162a.
Therefore, while the state sensor 100a can make the arc contact with the rim bed provided on the tire, the two one-way sliders 161a have one each with respect to the inside of the two grooves 162a. Since it can slide and enter only from the direction, it is possible to firmly fix the state sensor 100a so as not to be displaced by vibration during driving.
Next, referring to FIG. 8, the one-way slider 161a preferably includes a slot (including a slit or the like) 166a.
By comprising in this way, it becomes possible to improve the flexibility at the time of inserting the one-way slider 161a in the groove part 162a.
Next, with reference to FIG. 9, FIG. 9 shows a state sensor 100b for inspecting the state of the pneumatic tire of the vehicle in the third embodiment of the present invention. Since the configuration of the state sensor 100b is similar to the configuration of the state sensor 100a described above, the same reference numerals are assigned to the same members and displayed. The state sensor 100b includes a unidirectional slider 161b of a type different from the unidirectional slider 161a described above, but the configuration is similar.
That is, the only difference is that the one-way slider 161b has a claw-shaped claw portion 163b provided on the top of the one-way slider 161b, while the groove portion 162b has a notch-shaped notch. 164b (indicated by a dotted line in FIG. 9) is provided as a jagged receiver.
Therefore, the two one-way sliders 161c can be slid into only one direction with respect to the inside of the two groove parts 162c.
Next, with reference to FIG. 10, FIG. 10 shows the state sensor 100c for inspecting the state of the pneumatic tire of the vehicle in another embodiment of the present invention. Since the configuration of the state sensor 100c is similar to the configuration of the state sensor 100a, the same reference numerals are assigned to the same members and displayed.
The state sensor 100c includes a type of one-way slider 161c different from the one-way slider 161a described above, but the configuration is similar.
That is, the only difference is that the one-way slider 161c has a fin 163c extending on one side, and a notch 164c having a shape carved on only one side of the groove 162c is provided.
Next, referring to FIG. 11 and FIG. 12, these represent a state sensor 200 for inspecting the state of a pneumatic tire of a vehicle in another embodiment of the present invention. Since the configuration of the state sensor 200 is similar to the configuration of the state sensor 100, the same reference numerals are assigned to the same members and displayed.
The state sensor 200 has two flared cut portions 263 at the joint between the antenna 223 and the base portion 217.
Therefore, the flared cut portion 263 can effectively prevent the antenna from being bent excessively and damaged when the tire is repaired.
Next, referring to FIG. 13, FIG. 13 shows a state sensor 300 for inspecting the state of a pneumatic tire of a vehicle in another embodiment of the present invention. Since the configuration of the state sensor 300 is similar to the configuration of the state sensor 100, the same reference numerals are assigned to the same members and displayed.
The state sensor 300 includes a valve stem hole 351 having a conical hole 353 together with a tire valve stem 319 extending so as to pass therethrough.
The tire valve stem 319 includes a stopper 355. A substantially conical shoulder 335 is provided on one side of the stopper 355, and the conical hole 353 also has an arcuate shoulder 335, which allows the tire valve stem 319 to be conically shaped. The tire valve stem 319 can be fixed by the nut 331 when inserted into the hole 353.
Further, the nut 331 further includes a washer 332, and both the nut 331 and the washer 332 have an uneven portion (slip prevention) so that the nut 331 does not loosen only by the shaking of the vehicle. It is preferable that the tire valve stem 319 is firmly attached.
As described above, the state sensor 300 is used to inspect the state of the pneumatic tire of the vehicle, for example, pressure and temperature, and the cover portion 311 of the state sensor 10 of the present invention has two through holes. It is preferable.
If comprised in this way, it will become possible to detect the state of a tire with a sensor circuit.
Further, as can be understood by those skilled in the art in the technical field of the present invention, it is known that there is squeeze (moisture, humidity) inside the pneumatic tire.
Therefore, in the state sensor 300 of the present invention, as described above, the diameter of the through hole 27 is preferably set to a value of 0.5 mm or less. It is preferable that the sensor circuit 25 is configured to detect the tire state while preventing the sensor 300 from entering the inside of the sensor 300.
Furthermore, the state sensor 300 includes two unidirectional sliders, and the base portion 317 of the state sensor 300 preferably has two groove portions. As described above, the two one-way sliders cooperate with the two groove portions, and can enter the inside of the groove portion by sliding from only one direction.
Accordingly, the state sensor 300 is provided on the rim bed of the tire, and the two one-way sliders are slid only from one direction into the inside of the two groove portions, respectively. The state sensor 300 can be firmly fixed so as not to loosen.
The present invention has been described based on the preferred embodiments thereof, but various other possible modifications and changes may be made without departing from the spirit of the present invention and the scope of the claims described above. Is also possible.
According to the present invention, it is a state sensor for checking the state of a pneumatic tire, and is used by attaching to a tire rim for safety, and communicates with receiving means provided outside the tire. It is now possible to provide a state sensor that can
Further, according to the present invention, a state sensor for checking the state of a pneumatic tire is used for safety on a tire rim and has a relatively compact structure. It has become possible to provide a state sensor that is less damaged by tools.
Furthermore, according to the present invention, a state sensor for examining the state of a pneumatic tire has an easily adaptable structure, and an attachment for securely mounting the state sensor on the tire rim. It is now possible to provide a state sensor provided with (slider etc.).
FIG. 1 is a perspective view of a state sensor for inspecting the state of a pneumatic tire in an embodiment of the present invention.
FIG. 2 shows an exploded view of a perspective view of a state sensor for inspecting the state of the pneumatic tire shown in FIG.
FIG. 3 shows a perspective view from another direction of the state sensor for inspecting the state of the pneumatic tire shown in FIGS. 1 and 2;
FIG. 4 is a cross-sectional view of a state sensor for inspecting the state of a pneumatic tire in an embodiment of the present invention.
FIG. 5 is a cross-sectional view of a state sensor attached to a rim of a pneumatic tire according to an embodiment of the present invention.
FIG. 6 is a sectional view of a state sensor attached to a rim of a pneumatic tire according to an embodiment of the present invention.
FIG. 7 is a perspective view of a state sensor for inspecting the state of a pneumatic tire according to another embodiment of the present invention.
FIG. 8 is a perspective view of a one-way slider in the sensor for inspecting the state of the pneumatic tire shown in FIG.
FIG. 9 is a perspective view of a state sensor for inspecting the state of a pneumatic tire according to still another embodiment of the present invention.
FIG. 10 is a perspective view of a state sensor for inspecting the state of a pneumatic tire according to still another embodiment of the present invention.
FIG. 11 is a perspective view of a state sensor for inspecting the state of a pneumatic tire according to still another embodiment of the present invention.
12 is a schematic enlarged cross-sectional view of a flared cut in the state sensor for inspecting the state of the pneumatic tire shown in FIG.
FIG. 13 is a cross-sectional view of a state sensor for inspecting a state of a pneumatic tire attached to a rim of a pneumatic tire according to still another embodiment of the present invention.
10: A state sensor for inspecting the state of a pneumatic tire
11: Cover part
13: Battery seat
15: Battery (battery)
17: Base part
19: Tire valve stem
25: Sensor circuit
27: Through hole
41: Tire
42: Rim bed
43: Rim
A state sensor for examining the state of a pneumatic tire used in a state of being attached to a pneumatic tire of a car,
The tire is provided with a rim with a rim bed,
The state sensor for checking the state of the pneumatic tire is:
A sensor circuit for inspecting the condition of the tire;
A power supply for supplying electricity to the sensor circuit;
A housing including a cover portion and a base portion, wherein the base portion holds the sensor circuit and the power source, and the base portion is provided with two grooves, and the cover portion includes a valve stem hole and A housing provided with a tire valve stem,
The rim includes a tire valve hole,
Further, the two groove portions and the two one-way sliders cooperate to slide the two one-way sliders into the groove portion from one direction, so that the state sensor is connected to the tire via the valve stem hole. A state sensor for examining the state of a pneumatic tire characterized by being mounted on a rim bed by a valve stem and two one-way sliders.
The one-way slider has a carved nail,
The groove portion has a notched portion that is engraved, and the engraved claw portion cooperates with the engraved notch portion so that the one-way slider slides in one direction to the inside of the groove portion, thereby The state sensor for examining the state of the pneumatic tire according to claim 1, wherein a state sensor is attached.
The state sensor for examining the state of the pneumatic tire according to claim 1, wherein the one-way slider has a slot for increasing flexibility.
The one-way slider includes a fin extending from one side, and the groove has a notch portion carved on one side, and the fin and the notched portion cooperate with each other, and the one-way slider The state sensor for examining the state of the pneumatic tire according to claim 1, wherein the state sensor is attached by sliding in one direction to the inside of the groove portion.
The hole for the valve stem of the housing includes a conical hole, the tire valve stem includes a stopper, and the conical hole and the stopper cooperate with each other so that the state sensor is mounted on the tire valve hole. The state sensor for examining the state of the pneumatic tire according to claim 1, wherein the state sensor is attached to the tire.
JP2001255403A 2000-09-02 2001-08-27 Condition sensor for examining the condition of pneumatic tires Expired - Fee Related JP3759890B2 (en)
TW89118096A TW520332B (en) 2000-09-02 2000-09-02 Status sensor of inflated automobile tire
TW089118096 2000-09-02
JP2002144830A JP2002144830A (en) 2002-05-22
JP3759890B2 true JP3759890B2 (en) 2006-03-29
ID=21661034
JP2001255403A Expired - Fee Related JP3759890B2 (en) 2000-09-02 2001-08-27 Condition sensor for examining the condition of pneumatic tires
US (1) US6591672B2 (en)
JP (1) JP3759890B2 (en)
DE (1) DE10142354B4 (en)
TW (1) TW520332B (en)
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2000-09-02 TW TW89118096A patent/TW520332B/en active
2001-08-27 JP JP2001255403A patent/JP3759890B2/en not_active Expired - Fee Related
2001-08-30 US US09/941,567 patent/US6591672B2/en not_active Expired - Fee Related
2001-08-30 DE DE2001142354 patent/DE10142354B4/en not_active Expired - Fee Related
DE10142354B4 (en) 2006-11-30
JP2002144830A (en) 2002-05-22
DE10142354A1 (en) 2002-03-14
TW520332B (en) 2003-02-11
US6591672B2 (en) 2003-07-15
US20020046599A1 (en) 2002-04-25
CN1184092C (en) 2005-01-12 Device for warning drivers of automobiles of excessive speed of turning around a curve
ES2280456T3 (en) 2007-09-16 Device for pressure measurement in a vehicle tire.
US6851308B2 (en) 2005-02-08 Device for fixing a pressure sensor intended to be mounted in a tire
DE60123011T2 (en) 2007-01-11 Attaching a transmitter housing to a valve stem
US6959597B2 (en) 2005-11-01 Transmitter for tire state monitoring apparatus
GB1603226A (en) 1981-11-18 Tyre condition sensing apparatus
US7426773B2 (en) 2008-09-23 Post attachment device
EP1661736A2 (en) 2006-05-31 Valve device
JPH0799233B2 (en) 1995-10-25 Quick mounting device
2012-01-13 LAPS Cancellation because of no payment of annual fees