Patent Publication Number: US-2019185291-A1

Title: Automatic elevator calling system and automatic elevator calling control method

Description:
FOREIGN PRIORITY 
     This application claims priority to Chinese Patent Application No. 201711382772.6, filed Dec. 20, 2017, and all the benefits accruing therefrom under 35 U.S.C. § 119, the contents of which in its entirety are herein incorporated by reference. 
     TECHNICAL FIELD 
     The present invention belongs to the field of elevator intelligent control technologies, relating to an automatic elevator-calling system and an automatic elevator-calling control method which can automatically complete an elevator calling request operation. 
     BACKGROUND ART 
     In an existing elevator system, a common operation mode of elevator calling is: a passenger manually presses a certain elevator calling button on an elevator calling request input device mounted in an elevator landing area to input an elevator calling request command for traveling upward or traveling downward, and then enters a certain elevator car. Such an elevator calling request operation mode needs to be completed through a manual operation; moreover, especially when both hands of the passenger are incapable of performing the button pressing operations freely (for example, the passenger is carrying stuff with both hands, or a passenger having difficulties in walking is sitting in a wheelchair), the elevator calling request operation becomes difficult, affecting the experience of the passenger. 
     SUMMARY OF INVENTION 
     The object of the present invention is at least to improve the elevator calling experience of the passenger. 
     In order to realize the above objects or other objects, the following technical solutions are provided in the present invention. 
     According to a first aspect of the present invention, provided is an automatic elevator-calling system, comprising: a wireless signal apparatus mounted in an elevator landing area of an elevator system and broadcasting a corresponding wireless signal to the surroundings, 
     wherein the automatic elevator-calling system senses the wireless signal via a personal mobile terminal carried by a passenger and automatically sends an elevator calling request command to the wireless signal apparatus when a distance between the personal mobile terminal and the wireless signal apparatus is smaller than or equal to an elevator calling distance; and wherein the automatic elevator-calling system can configure the elevator calling distance in an adjustable manner through the wireless signal apparatus and/or the personal mobile terminal. 
     The automatic elevator-calling system according to one embodiment of the present invention, wherein the wireless signal apparatus is configured to adjust and configure the elevator calling distance according to a car traveling distance for a corresponding elevator car to travel to a landing where the wireless signal apparatus is located. 
     The automatic elevator-calling system according to one embodiment of the present invention, wherein the wireless signal apparatus is configured to adjust and configure the signal strength of the wireless signal broadcast thereby according to the car traveling distance for the corresponding elevator car to travel to the landing where the wireless signal apparatus is located. 
     The automatic elevator-calling system according to one embodiment of the present invention, wherein the wireless signal apparatus is configured to enable the signal strength of the wireless signal broadcast thereby to be smaller when the car traveling distance is shorter. 
     The automatic elevator-calling system according to one embodiment of the present invention, wherein the automatic elevator-calling system is further used for adjusting and configuring the elevator-calling distance according to a movement speed of the passenger carrying the personal mobile terminal. 
     The automatic elevator-calling system according to one embodiment of the present invention, wherein the automatic elevator-calling system is further used for determining the movement speed according to at least one of the following: passenger movement speed input, passenger age, passenger height, statistic information about the passenger movement speed, statistic information about historical passenger movement speed. 
     The automatic elevator-calling system according to one embodiment of the present invention, wherein the automatic elevator-calling system is further used for approximately determining the distance between the personal mobile terminal and the wireless signal apparatus according to the signal strength of the wireless signal sensed thereby. 
     The automatic elevator-calling system according to one embodiment of the present invention, wherein the automatic elevator-calling system is further used for automatically sending an elevator calling request command to the wireless signal apparatus when the signal strength of the sensed wireless signal is equal to or greater than a corresponding trigger threshold strength. 
     The automatic elevator-calling system according to one embodiment of the present invention, wherein the automatic elevator-calling system is further used for adjusting and configuring the corresponding trigger threshold strength according to a movement speed of the passenger carrying the personal mobile terminal. 
     The automatic elevator-calling system according to one embodiment of the present invention, wherein the automatic elevator-calling system is further used for receiving the trigger threshold strength or the elevator calling distance input from the personal mobile terminal. 
     The automatic elevator-calling system according to one embodiment of the present invention, wherein the wireless signal apparatus is a bluetooth module or a bluetooth low energy module. 
     According to a second aspect of the present invention, provided is a wireless signal apparatus. The wireless signal apparatus is mounted in an elevator landing area of an elevator system and broadcasts a corresponding wireless signal to the surroundings, wherein the wireless signal apparatus is configured to adjust and configure an elevator calling distance according to a car traveling distance for a corresponding elevator car to travel to a landing where the wireless signal apparatus is located, and the elevator calling distance indicates a distance between a personal mobile terminal that can sense the wireless signal and the wireless signal apparatus when the personal mobile terminal automatically sends an elevator calling request command. 
     The automatic elevator-calling system according to one embodiment of the present invention, wherein the wireless signal apparatus is configured to adjust and configure the signal strength of the wireless signal broadcast thereby according to the car traveling distance between the corresponding elevator car and the wireless signal apparatus. 
     The automatic elevator-calling system according to one embodiment of the present invention, wherein the wireless signal apparatus is configured to enable the signal strength of the wireless signal broadcast thereby to be smaller when the car traveling distance is shorter. 
     The automatic elevator-calling system according to one embodiment of the present invention, wherein the wireless signal apparatus is a bluetooth module or a bluetooth low energy module, and the wireless signal is a bluetooth signal or a bluetooth low energy signal. 
     According to a third aspect of the present invention, provided is an automatic elevator-calling control method, comprising: a step of adjusting and configuring an elevator calling distance, wherein the elevator calling distance indicates a distance between a personal mobile terminal and a wireless signal apparatus mounted in an elevator landing area of an elevator system when the personal mobile terminal automatically sends an elevator calling request command; and an elevator calling operation step: when the distance between the personal mobile terminal and the wireless signal apparatus is smaller than or equal to the configured elevator calling distance, an elevator calling operation of automatically sending and/or receiving an elevator calling request command is performed. 
     The automatic elevator-calling control method according to one embodiment of the present invention, wherein in the step of adjusting and configuring the elevator calling distance, the elevator calling distance is adjusted and configured according to a car traveling distance for a corresponding elevator car to travel to a landing where the wireless signal apparatus is located. 
     The automatic elevator-calling control method according to one embodiment of the present invention, wherein in the step of adjusting and configuring the elevator calling distance, the signal strength of the wireless signal broadcast by the wireless signal apparatus is adjusted and configured according to the car traveling distance for the corresponding elevator car to travel to the landing where the wireless signal apparatus is located. 
     The automatic elevator-calling control method according to one embodiment of the present invention, wherein in the step of adjusting and configuring the elevator calling distance, the signal strength of the wireless signal broadcast by the wireless signal apparatus is enabled to be smaller when the car traveling distance is shorter. 
     The automatic elevator-calling control method according to one embodiment of the present invention, wherein in the step of adjusting and configuring the elevator calling distance, the elevator-calling distance is adjusted and configured according to a movement speed of a passenger carrying the personal mobile terminal. 
     The automatic elevator-calling control method according to one embodiment of the present invention, wherein in the step of adjusting and configuring the elevator calling distance, the movement speed is determined according to at least one of the following: passenger movement speed input, passenger age, passenger height, statistic information about the passenger movement speed, statistic information about historical passenger movement speed. 
     The automatic elevator-calling control method according to one embodiment of the present invention, wherein the elevator calling operation step comprises: sensing a wireless signal broadcast by the wireless signal apparatus; and automatically sending an elevator calling request command to the wireless signal apparatus when the wireless signal is sensed. 
     The automatic elevator-calling control method according to one embodiment of the present invention, wherein the distance between the personal mobile terminal and the wireless signal apparatus is approximately determined according to the signal strength of the sensed wireless signal. 
     The automatic elevator-calling control method according to one embodiment of the present invention, wherein the elevator calling operation step comprises: determining the signal strength of the sensed wireless signal and judging whether the signal strength is equal to or greater than a corresponding trigger threshold strength; and automatically sending an elevator calling request command to the wireless signal apparatus when the signal strength of the sensed wireless signal is equal to or greater than the corresponding trigger threshold strength. 
     The automatic elevator-calling control method according to one embodiment of the present invention, wherein in the step of adjusting and configuring the elevator-calling distance, the corresponding trigger threshold strength is adjusted and configured according to a movement speed of the passenger carrying the personal mobile terminal. 
     The automatic elevator-calling control method according to one embodiment of the present invention, wherein the method further comprises a step of: receiving an input regarding the trigger threshold strength or the elevator calling distance. 
     According to a fourth aspect of the present invention, provided is a wireless signal apparatus comprising a memory, a processor and a computer program stored on the memory and capable of running on the processor, wherein the processor can implement the following steps while executing the program: 
     a step of adjusting and configuring an elevator calling distance, wherein the elevator calling distance indicates a distance between a personal mobile terminal and a wireless signal apparatus mounted in an elevator landing area of an elevator system when the personal mobile terminal automatically sends an elevator calling request command; and an elevator calling operation step: when the distance between the personal mobile terminal and the wireless signal apparatus is smaller than or equal to the elevator calling distance, an elevator calling operation of receiving the elevator calling request command is performed. 
     According to a fifth aspect of the present invention, provided is a computer readable storage medium with a computer program stored thereon, wherein the program can be executed by a processor to implement the steps of any automatic elevator-calling control method mentioned above. 
     According to a sixth aspect of the present invention, provided is an elevator system, comprising: an automatic elevator-calling system as claimed in any one of the above-mentioned embodiments; and an elevator controller for controlling the running of one or more elevator cars in the elevator system, wherein the elevator controller is coupled with the wireless signal apparatus and at least controls the running of one or more elevator cars in the elevator system in response to the elevator calling request command. 
     According to a seventh aspect of the present invention, provided is a personal mobile terminal configured to be able to receive a wireless signal broadcast by a wireless signal apparatus mounted in an elevator landing area of an elevator system; the personal mobile terminal is further configured to adjust and configure an elevator calling distance, and the elevator calling distance indicates a corresponding distance between the personal mobile terminal and the wireless signal apparatus when the personal mobile terminal automatically sends an elevator calling request command. 
     The personal mobile terminal according to one embodiment of the present invention, wherein the personal mobile terminal is further configured to adjust and configure the elevator calling distance according to a movement speed of the passenger carrying the personal mobile terminal. 
     The personal mobile terminal according to one embodiment of the present invention, wherein the personal mobile terminal is further configured to determine the movement speed according to at least one of the following: passenger movement speed input, passenger age, passenger height, statistic information about the passenger movement speed, statistic information about historical passenger movement speed. 
     The personal mobile terminal according to one embodiment of the present invention, wherein the personal mobile terminal is further configured to automatically send an elevator calling request command to the wireless signal apparatus when the wireless signal is sensed. 
     The personal mobile terminal according to one embodiment of the present invention, wherein the personal mobile terminal is further configured to approximately determine a distance between the personal mobile terminal and the wireless signal apparatus according to the signal strength of the wireless signal sensed thereby. 
     The personal mobile terminal according to one embodiment of the present invention, wherein the personal mobile terminal is further configured to automatically send an elevator calling request command to the wireless signal apparatus when the signal strength of the sensed wireless signal is equal to or greater than a corresponding trigger threshold strength. 
     The personal mobile terminal according to one embodiment of the present invention, wherein the personal mobile terminal is further configured to adjust and configure the corresponding trigger threshold strength according to the movement speed of the passenger carrying the personal mobile terminal. 
     The personal mobile terminal according to one embodiment of the present invention, wherein the personal mobile terminal is further provided with an input unit for inputting a trigger threshold strength or the elevator calling distance. 
     The above-mentioned features and operations of the present invention would be more obvious according to the description below and the accompanying drawings. 
    
    
     
       DESCRIPTION OF THE DRAWINGS 
       From the detailed description below in conjunction with the accompanying drawings, the above-mentioned and other objects and advantages of the present invention would be more complete and clearer, where the same or similar elements are denoted with the same label. 
         FIG. 1  is a schematic diagram of an elevator system according to one embodiment of the present invention, in which an automatic elevator-calling system according to one embodiment of the present invention is used. 
         FIG. 2  is a schematic diagram of an application scenario of the elevator system according to one embodiment of the present invention. 
         FIG. 3  is a schematic diagram of an automatic elevator-calling system according to one embodiment of the present invention, in which a wireless signal apparatus according to one embodiment of the present invention is included. 
         FIG. 4  is a schematic diagram of an application scenario of the automatic elevator-calling system according to one embodiment of the present invention. 
         FIG. 5  is a schematic diagram of another application scenario of the automatic elevator-calling system according to one embodiment of the present invention. 
         FIG. 6  is a flow chart of an automatic elevator-calling control method according to one embodiment of the present invention. 
     
    
    
     DETAILED DESCRIPTION 
     The present invention will now be described more thoroughly with reference to the drawings, in which illustrative embodiments of the present invention are shown. However, the present invention can be implemented in many different ways and should not be construed as being limited to the embodiments illustrated herein. On the contrary, these embodiments are provided to make the present disclosure more thorough and complete, and fully convey the ideas of the present invention to a person skilled in the art. 
     Though the features of the present invention are disclosed in combination with only one of several implementation manners/embodiments, if a feature may be desirable and/or beneficial for any given or recognizable function, this feature can be combined with one or more other features of other implementation manners/embodiments. 
     Some block diagrams shown in the drawings are functional entities, and not necessarily corresponding to entities which are independent physically or logically. It is possible to realize these functional entities by way of software, or to realize these functional entities in one or more hardware modules or integrated circuits, or to realize these functional entities in different processing apparatuses and/or micro-controller apparatuses. 
       FIG. 1  shows a schematic diagram of the elevator system according to one embodiment of the present invention;  FIG. 2  shows a schematic diagram of an application scenario of the elevator system according to one embodiment of the present invention; and  FIG. 3  is a schematic diagram of an automatic elevator-calling system according to one embodiment of the present invention, in which a wireless signal apparatus according to one embodiment of the present invention is included. The elevator system  10 , the automatic elevator-calling system  20 , the personal mobile terminal  200  and the wireless signal apparatus  120  according to one embodiment of the present invention are explained in detail by way of example in conjunction with  FIG. 1 ,  FIG. 2  and  FIG. 3 . 
     The elevator system  10  according to the embodiments of the present invention can be mounted in various kinds of buildings; the elevator system  10  comprises a plurality of elevator cars  110  traveling upwards and downwards within hoistways of the building; and  FIG. 1  shows two elevator cars of the elevator system, i.e., elevator cars  110 - 1  and  110 - 2 . Each elevator car  110  is controlled by an elevator controller  140  in the elevator system  10  (e.g., scheduling control and traveling control), so as to travel in the hoistway or stop at the corresponding landing. Generally, the elevator controller  140  needs to acquire an elevator calling request command from an elevator landing area  410  of each floor, so as to control the running of the elevator based on the command, for example, performing scheduling control over each elevator car  110 . It will be understood that the particular control mode or control principle of the one or more elevator cars  110  by the elevator controller  140  is not restrictive; and the particular structure or arrangement mode, etc. of the elevator controller  140  is not restrictive either. 
     In order to acquire the elevator calling request command from each elevator landing area  410 , a wireless signal apparatus  120  is provided in the elevator system  10 . The wireless signal apparatus  120  can be a beacon broadcasting a certain wireless signal; and the wireless signal apparatus  120  can be mounted in each elevator landing area  410  of the elevator system  10  (as shown in  FIG. 2 ). For example, the elevator landing area  410  on each floor is mounted with at least one wireless signal apparatus  120 , so that a wireless signal  123  sent out or broadcast by the wireless signal apparatus  120  can effectively approximately cover at least each elevator landing area  410 . 
     In one embodiment, as shown in  FIG. 3 , the wireless signal apparatus  120  is provided with a wireless signal broadcast unit  121  for broadcasting a wireless signal  123 , for example broadcasting a wireless signal with certain signal strength, so that the wireless signal  123  can cover a pre-determined range (i.e., a coverage range); the coverage range is exemplified as a range within which the personal mobile terminal can sense the wireless signal  123  (for example, a coverage range in which the signal strength is equal to or greater than 0), and therefore, the coverage range may be relevant to the signal sensing capability of each personal mobile terminal  200 ; generally, the coverage range can be learnt in advance through tests. 
     The wireless signal apparatus  120  particularly can be arranged in an elevator calling request input device of the elevator system  10  by way of integration, wherein the elevator calling request input device is generally mounted at two sides of the landing door of the elevator landing area  410 ; and the elevator calling request input device can also be provided with for example an “upward” or “downward” elevator calling button, so that an elevator calling request command can be manually input based on the elevator calling request input device  12 . The particular arrangement manner of the wireless signal apparatus  120  with respect to the elevator calling request input device is not limited to the above-mentioned example. 
     Accordingly, the wireless signal  123  broadcast by the wireless signal apparatus  120  can be sensed or received by the personal mobile terminal  200 .  FIG. 1  shows two of the personal mobile terminals  200 - 1  and  200 - 2  by way of example, which are respectively carried by different passengers  90 - 1  and  90 - 2 , and at least can be used for completing an elevator calling request operation. The personal mobile terminal  200  and the wireless signal apparatus  120  primarily form the automatic elevator-calling system  20  according to the embodiments of the present invention. When approaching the wireless signal apparatus  120  (for example, walking towards the elevator landing area  410 ), different passengers  90 - 1  and  90 - 2  will enter the coverage range of the wireless signal  123 , and the personal mobile terminals  200  carried thereby will be able to change from being unable to sense the wireless signal  123  to being able to sense the wireless signal  123 . In particular, as shown in  FIG. 3 , each personal mobile terminal  200  senses the wireless signal  123  via a short-range communication unit  210  provided therein, and can interact with the wireless signal apparatus  120  (e.g., establishing a wireless connection) based on the wireless signal  123  in the case where a pre-determined condition is satisfied; by way of example, the personal mobile terminal  200 - 1  realizes interaction  320 - 1  with the wireless signal apparatus  120 , and the personal mobile terminal  200 - 2  realizes interaction  320 - 2  with the wireless signal apparatus  120 . 
     The personal mobile terminal  200  can particularly be various types of smart terminals with a wireless connection function, and is convenient for a passenger to carry; for example, the personal mobile terminal  200  can be a smart cell phone, a wearable smart device (for example, a smart wristband), a personal digital assistant (PAD), and a corresponding application component (e.g., an APP) can be mounted on the personal mobile terminal  200  to realize the corresponding function of the present invention. 
     In one embodiment, the wireless signal apparatus  120  can be a bluetooth module and can particularly be a Bluetooth Low Energy (BLE) module. The wireless signal  123  transmitted or broadcast by the wireless signal broadcast unit  121  of the wireless signal apparatus  120  is a bluetooth signal (for example, a BLE signal), and the bluetooth signal can approximately cover the elevator landing area  410  where it is located. Accordingly, the short-range communication unit  210  of the personal mobile terminal  200  is a bluetooth communication unit, and can sense a bluetooth signal, for example, a BLE signal. 
     In one embodiment, the wireless signal  123  (for example, a BLE signal) can comprise a wake-up signal for waking up the personal mobile terminal  200 , and the personal mobile terminal  200  having sensed the wake-up signal can wake up a corresponding application component (for example, an automatic elevator-calling APP) of the personal mobile terminal  200  to operate. The wireless signal  123  can also comprise a universal unique identifier (UUID) reflecting the identity of the wireless signal apparatus  120 , and/or a data signal containing floor position information about where the wireless signal apparatus  120  is located. 
     In one embodiment, the strength of the wireless signal  123  attenuates with the propagation distance thereof; therefore, the personal mobile terminal  200  receiving the wireless signal  123  can approximately determine a current distance D 1  between the personal mobile terminal  200  and the wireless signal apparatus  123  according to the signal strength of the wireless signal  123  sensed thereby; and it will be understood that as the passenger walks with respect to the elevator landing area  410  or walks in the elevator landing area  410 , the distance D 1  dynamically changes. 
     The personal mobile terminal  200  can particularly be provided with a signal strength determination unit  220  (as shown in  FIG. 3 ), which can determine the signal strength of the wireless signal  123  sensed by the short-range communication unit  210 , for example determining the signal strength of the sensed BLE signal. 
     Again, as shown in  FIG. 3 , the personal mobile terminal  200  is also provided with an elevator calling request command generation unit  230 , which is used for generating a corresponding elevator calling request command, wherein the elevator calling request command  221  at least comprises elevator calling direction information and can also comprise at least one piece of: target floor information, elevator calling floor information and target elevator information. The elevator calling request command can be sent to the wireless signal apparatus  120  through the short-range communication unit  210  of the personal mobile terminal  200  (for example, in the personal mobile terminal  200 ), and thus the wireless signal apparatus  120  can transfer the elevator calling request command to the elevator controller  140 . The particular form and/or particular generation manner of the elevator calling request command is not restrictive. 
     In one embodiment, again as shown in  FIG. 3, 1231  indicates a boundary inside which the signal strength of the wireless signal  123  broadcast by the wireless signal apparatus  120  is equal to or greater than the trigger threshold strength; when the personal mobile terminal  200  enters the boundary  1231 , the personal mobile terminal  200  can not only sense the wireless signal  123 , but also can automatically send an elevator calling request command to the wireless signal apparatus  120 ; and the boundary  1231  reflects an elevator calling distance. For example, the distance between the boundary  1231  and the wireless signal apparatus  120  corresponds to the elevator calling distance, and the personal mobile terminal  200  at the boundary  1231  or inside the boundary  1231  will be able to sense the wireless signal  123  and be able to automatically send an elevator calling request command. When the personal mobile terminal  200  carried by the passenger  90  enters the boundary  1231 , it can be determined that the personal mobile terminal  200  has successfully sensed the wireless signal  123  and the pre-determined condition that the signal strength is equal to or greater than the trigger threshold strength has been satisfied; and the elevator calling request command generation unit  230  of the personal mobile terminal  200  automatically generates corresponding elevator calling request command information, establishes interaction  320  (for example, establishing a bluetooth connection) with the wireless signal apparatus  120  through the short-range communication unit  210  and sends an elevator calling request command. That is to say, the personal mobile terminal  200  can automatically send a corresponding elevator calling request command to the wireless signal apparatus  120  when the signal strength of the sensed wireless signal  123  is equal to or greater than the corresponding trigger threshold strength. 
     Taking the application scenario shown in  FIG. 2  as an example, when for example two passengers enter the elevator landing area  410  (for example, a waiting area of a lobby), the personal mobile terminal  200 - 1  or  200 - 2  (for example, a cell phone, whether in a hand or in a hand bag) carried thereby will automatically sense the wireless signal  123  broadcast by the wireless signal apparatus  120  mounted in the elevator landing area  410  (the distance of the personal mobile terminal  200 - 1  or  200 - 2  relative to the wireless signal apparatus  120  is smaller than or equal to the elevator calling distance), thereby for example establishing a bluetooth connection based on a handshake connection of the wireless signal and the wireless signal apparatus  120 ; the personal mobile terminal  200 - 1  or  200 - 2  automatically sends an elevator calling request command at least comprising an elevator calling direction, so as to automatically complete an elevator calling request operation; and there is no need for the passenger to manually press an elevator calling button mounted on the elevator calling request input device, and there is no need to manually operate the personal mobile  200 - 1  or  200 - 2  either. 
     Therefore, in the elevator system  10  according to the embodiments of the present invention, by configuring the automatic elevator calling system  20 , the passenger  90  carrying the personal mobile terminal  200  can complete the elevator calling request operation automatically or in a hand-free manner, and the passenger experience with regard to the elevator calling operation of the passenger can be greatly improved. 
     Further, the elevator controller  140  of the elevator system  10  can be coupled with the wireless signal apparatus  120 , and can at least control the running of one or more elevator cars  110  in the elevator system  10  in response to the above-mentioned elevator calling request command, for example scheduling a corresponding elevator car  110  for passengers  90 - 1  and  90 - 2  and stopping at the landing corresponding to the elevator landing area  410 , for the passengers  90 - 1  and  90 - 2  to enter the elevator car  110 . 
     The applicant has discovered that the fixation of the elevator calling distance mentioned above may bring about problems of many aspects; for example, if the elevator calling distance is too short, the personal mobile terminal  200  automatically completes elevator calling too early, and the waiting time of the passenger  90  is too long; for another example, if the elevator calling distance is too long, the personal mobile terminal  200  automatically completes the elevator calling request operation too late, and the landing door has already closed before the passenger  90  is able to enter the stopped elevator car  110 . For another example, since the passenger  90 - 1  and the passenger  90 - 2  have different movement speeds (for example, the walking speeds have an obvious difference due to age difference, health state, etc.), in the case of the same elevator calling distance, after automatically completing an elevator calling request operation, it is possible that the passenger  90 - 1  has already moved into the corresponding elevator car  110  but the passenger  90 - 2  is still traveling towards the elevator car  110 . 
     Therefore, in the automatic elevator calling system  20  according to the embodiments of the present invention, the elevator calling distance can be adjusted and configured to change, wherein the elevator calling distance indicates a corresponding distance between a personal mobile terminal  200  and a wireless signal apparatus  120  when the personal mobile terminal  200  automatically sends an elevator calling request command. 
     In one embodiment, in conjunction with  FIG. 3  and  FIG. 4 , for adapting to the difference in the traveling time T 2  for the elevator car  110  to travel to the landing corresponding to the current elevator landing area  410 , the wireless signal apparatus  120  is configured to dynamically adjust and configure the elevator calling distance according to the car traveling distance D 2  for the corresponding elevator car  110  to travel to the landing where the wireless signal apparatus  120  is located. Correspondingly, the wireless signal apparatus  120  is provided with an elevator calling distance adjustment and configuration unit  122 , which can receive relevant information about the car traveling distance D 2  (for example, the distance for an allocated corresponding elevator car  110  to travel to the landing) from for example the elevator controller  140 , and the elevator calling distance adjustment and configuration unit  122  adjusts and configures the elevator calling distance based on the car traveling distance D 2 . For example, if the distance D 2  is longer, it indicates that the traveling time T 2  that is needed for the elevator car  110  to travel to the current landing may be longer, the elevator calling distance can be configured to be larger, and the passenger  90  can automatically complete the elevator calling request earlier in the process of moving towards the elevator landing area  410 , reducing the waiting time at the landing; if the distance D 2  is shorter, it indicates that the traveling time T 2  that is needed for the elevator car  110  to travel to the current landing may be shorter, the elevator calling distance can be configured to be smaller, and the passenger  90  can automatically complete the elevator calling request relatively later in the process of moving towards the elevator landing area  410 , avoiding the case where the passenger cannot enter the elevator car  110  in time after completing the elevator calling request operation. 
     The wireless signal apparatus  120  particularly can adjust the elevator calling distance by adjusting the signal strength of the wireless signal  123  broadcast thereby, that is to say, dynamically adjusting and configuring the signal strength of the wireless signal  123  broadcast by the wireless signal apparatus  120  according to the car traveling distance D 2  between the corresponding elevator car  110  (for example, a certain elevator car  110  to be allocated) and the wireless signal apparatus  120 . Assuming that the trigger threshold strength is relatively fixed, when the signal strength of the broadcast wireless signal  123  dynamically changes, the boundary  1231  shown in  FIG. 3  will dynamically change, for example expanding outwards or shrinking inwards centered on the wireless signal apparatus  120 ; in this way, the adjustment and configuration of the elevator calling distance is realized. In particular, the elevator calling distance adjustment and configuration unit  122  can control the strength of the wireless signal broadcast by the wireless signal broadcast unit  121  according to the current car traveling distance D 2 ; for example, when the car traveling distance D 2  is shorter, the signal strength of the wireless signal broadcast by the wireless signal broadcast unit  121  is enabled to be smaller, avoiding completing the elevator calling request too early but having no enough time to move into the stopped elevator car  110 ; and when the car traveling distance D 2  is longer, the signal strength of the wireless signal broadcast by the wireless signal broadcast unit  121  is enabled to be greater, avoiding the case where the time for waiting for the elevator car  110  is too long as a result of the elevator calling request is completed too late. Therefore, the elevator calling experience of the passenger  90  can be greatly improved. 
     As shown in  FIG. 4 , assuming that the passenger  90  is in an elevator landing area  410  of the lobby and needs to perform upward elevator calling, and the elevator car  110  closest to the lobby landing is traveling downwards to the elevator landing area  410 , the floor position information about where the elevator car  110  is currently located can be acquired from the elevator controller  140  in real time, so that the wireless signal apparatus  120  can calculate the car traveling distance D 2  for the elevator car  110  to travel to the elevator landing area  410 , and can approximately calculate the traveling time T 2  based on the car traveling distance D 2  (for example obtaining same by calculation according to historical statistic data, etc.); as the elevator car  110  travels towards the lobby landing, for example traveling from the Nth floor to the (N-M)th floor (N is an integer equal to or greater than 2, and M is an integer equal to or greater than 1), the car traveling distance D 2  becomes shorter, and the wireless signal apparatus  120  controls the signal strength of the wireless signal  123  broadcast thereby to become weaker, and accordingly, the boundary  1231  shrinks to be a boundary  1231 ′ and the elevator calling distance also correspondingly reduces by Δd1; when the elevator car  110  is at the Nth floor, the personal mobile terminal  200  of the passenger  90  illustrated in  FIG. 4  can sense the wireless signal  123  and, upon entering the boundary  1231 , can automatically trigger to send out an elevator calling request command; and when the elevator car  110  is at the (N-M)th floor, the personal mobile terminal  200  of the passenger  90  illustrated in  FIG. 4  has not entered the updated boundary  1231 ′, which indicates that it cannot sense the wireless signal  123  and cannot automatically trigger to send out an elevator calling request command, and the case where there is no enough time for the passenger  90  to enter the elevator car  110  that is going to stop can be avoided. 
     In one embodiment, in conjunction with  FIG. 3  and  FIG. 5 , for adapting to the difference in the time required for different passengers to move into the elevator landing area  410 , i.e., adapting to the individual difference of the passengers  90  in terms of movement speed, the personal mobile terminal  200  carried by each passenger  90  is also configured to adjust and configure the elevator calling distance; by way of example, the personal mobile terminal  200  is also configured to adjust and configure the elevator calling distance in a personalized manner according to the movement speed V of the passenger  90  carrying the personal mobile terminal  200 , and correspondingly, the personal mobile terminal  200  is optionally provided with an elevator calling distance adjustment and configuration unit  240 , which can be used for determining the movement speed V of the passenger  90  and adjusting and configuring the elevator calling distance based on the movement speed V of the passenger  90 . 
     Particularly, the personal mobile terminal  200  or the elevator calling distance adjustment and configuration unit  240  determines the movement speed V of the passenger  90  according to at least one of the following: passenger movement speed input, passenger age, passenger height, statistic information about the passenger movement speed, statistic information about historical passenger movement speed. For example, the passenger  90  can directly input passenger movement speed information through an input unit  250  of the personal mobile terminal  200 ; for another example, the passenger  90  directly inputs the passenger age and/or passenger height through the input unit  250  of the personal mobile terminal  200 , and the elevator calling distance adjustment and configuration unit  240  can approximately calculate the movement speed of the passenger  90  according to the passenger age and/or passenger height; for still another example, a corresponding server or cloud end can be provided, to collect data relevant to the movement speed of all the passengers  90 , so as to form a corresponding database; by performing data analysis on the database, for example movement speed statistic information about the passengers and/or historical movement speed statistic information about the passengers can be obtained, and the movement speed information about each passenger  90  can also be relatively accurately obtained in conjunction with information input by the passenger  90 . 
     If the movement speed V of the passenger  90  is faster, the elevator calling distance can be configured to be larger, and the passenger  90  can automatically complete the elevator calling request at a farther place in the process of moving towards the elevator landing area  410 , thereby reducing the waiting time at the landing; and if the movement speed V of the passenger  90  is slower, the elevator calling distance can be configured to be smaller, and the passenger  90  automatically completes the elevator calling request at a relatively nearer place in the process of moving towards the elevator landing area  410 , avoiding the case where the passenger cannot enter the elevator car  110  in time after completing the elevator calling request operation. In the case where the movement speed V of the passenger  90  is substantially determined, if the elevator calling distance is determined, the time for the passenger  90  to approximately move to the elevator landing area  410  can be substantially calculated. In the above-mentioned process of configuring an elevator calling distance, no matter how fast the movement speeds of the passengers  90  are, the time from their personal mobile terminals  200  respectively automatically sending an elevator calling request command to having moved to the elevator landing area  410  is substantially the same. 
     In one embodiment, the personal mobile terminal  200  or the elevator calling distance adjustment and configuration unit  240  are configured to adjust and configure a corresponding trigger threshold strength according to the movement speed V of the passenger  90  carrying the personal mobile terminal  200 , so that the boundary  1231  is different for each passenger  90 , thus completing the adjustment and configuration of the elevator calling distance. 
     As shown in  FIG. 5 , assuming that the passenger  90 - 1  is an aged people or a child, and the movement speed thereof is slower relative to the passenger  90 - 2 , the personal mobile terminals  200 - 1  and  200 - 2  can respectively acquire the movement speeds V 1  and V 2  (V 1  is smaller than V 2 ) of the passengers  90 - 1  and  90 - 2 . Assuming that the signal strength of the wireless signal  123  broadcast by the wireless signal apparatus  120  does not change, or does not change in a certain period, the elevator calling distance adjustment and configuration unit  240  of the personal mobile terminal  200 - 2  configures the corresponding trigger threshold strength (for example relatively small), the boundary correspondingly being  1231 , and the elevator calling distance adjustment and configuration unit  240  of the personal mobile terminal  200 - 1  configures the corresponding trigger threshold strength (for example, relatively great), the boundary correspondingly being  1231 ′; and when the passengers  90 - 1  and  90 - 2  move towards the wireless signal apparatus  120  at the same time, the personal mobile terminal  200 - 1  will sense the wireless signal  123  at a farther place and trigger to send out an elevator calling request command, and the personal mobile terminal  200 - 2  will sense the wireless signal  123  at a nearer place and trigger to send out an elevator calling request command. That is to say, the elevator calling distance of the personal mobile terminal  200 - 2  is smaller than the elevator calling distance of the personal mobile terminal  200 - 1  by Δd2. In this way, the length of the time periods for different passengers  90  (even though the movement speeds are different) from sending an elevator calling request command to having moved to the elevator landing area  410  tend to be consistent. 
     It should be noted that, in the automatic elevator calling system  20  shown in  FIG. 3 , the adjustment and configuration of the elevator calling distance can be realized by only providing an elevator calling distance adjustment and configuration unit  240  in the personal mobile terminal  200 , and the adjustment and configuration of the elevator calling distance can also be realized by only providing an elevator calling distance adjustment and configuration unit  122  in the wireless signal apparatus  120 . Of course, it is also possible to not only provide an elevator calling distance adjustment and configuration unit  240  in the personal mobile terminal  200  but also provide an elevator calling distance adjustment and configuration unit  122  in the wireless signal apparatus  120 , both of which act together to configure the elevator calling distance; for example, the elevator calling distance adjustment and configuration unit  240  can configure the size of the trigger threshold strength, and at the same time, the elevator calling distance adjustment and configuration unit  122  can dynamically adjust and configure the signal strength of the wireless signal  123 . 
       FIG. 6  is a flow chart of an automatic elevator-calling control method according to one embodiment of the present invention, wherein  FIG. 6( a )  illustrates a method process completed in the wireless signal apparatus, and  FIG. 6( b )  illustrates a method process completed in the personal mobile terminal. The automatic elevator-calling control method according to one embodiment of the present invention is explained in detail by way of example in conjunction with  FIG. 1 ,  FIG. 3  to  FIG. 6 . 
     At the end of the wireless signal apparatus  120 , as shown in  FIG. 6( a ) , in step  610 , the wireless signal apparatus  120  can for example continuously broadcast a wireless signal  123 . In the process of broadcasting the wireless signal, the car traveling distance D 2  of the corresponding elevator car  110  traveling to the landing where the wireless signal apparatus  120  is located can also be acquired, that is step S 620 ; in step  620 , the car traveling distance D 2  can be obtained by calculation according to the floor position where the elevator car  110  is currently located, the traveling direction thereof, etc., which can be completed via the elevator controller  140 , and the wireless signal apparatus  120  obtains the car traveling distance D 2  from the elevator controller  140 . 
     Further, in step  630 , the elevator calling distance is adjusted and configured. In this step, the elevator calling distance is dynamically adjusted and configured based on the car traveling distance D 2 ; for example, if the distance D 2  is longer, it indicates that the traveling time T 2  that is needed for the elevator car  110  to travel to the current landing may be longer, the elevator calling distance can be configured to be larger, and the passenger  90  can automatically complete the elevator calling request earlier in the process of moving towards the elevator landing area  410 , reducing the waiting time at the landing; if the distance D 2  is shorter, it indicates that the traveling time T 2  that is needed for the elevator car  110  to travel to the current landing may be shorter, the elevator calling distance can be configured to be smaller, and the passenger  90  can automatically complete the elevator calling request relatively later in the process of moving towards the elevator landing area  410 , avoiding the case where the passenger cannot enter the elevator car  110  in time after completing the elevator calling request operation. 
     Particularly, the elevator calling distance can be adjusted by adjusting and configuring the signal strength of the wireless signal  123  broadcast in step S 610 , that is to say, dynamically adjusting and configuring the signal strength of the wireless signal  123  broadcast by the wireless signal apparatus  120  according to the car traveling distance D 2  between the corresponding elevator car  110  (for example, a certain elevator car  110  to be allocated) and the wireless signal apparatus  120 . Assuming that the trigger threshold strength is relatively fixed, when the signal strength of the broadcast wireless signal  123  dynamically changes, if the boundary  1231  shown in  FIG. 3  will dynamically change, for example expanding outwards or shrinking inwards centered on the wireless signal apparatus  120 ; in this way, the adjustment and configuration of the elevator calling distance is realized. For example, when the car traveling distance D 2  is shorter, the signal strength of the wireless signal broadcast by the wireless signal broadcast unit  121  is enabled to be smaller, avoiding completing the elevator calling request too early but not having enough time to move into the stopped elevator car  110 ; and when the car traveling distance D 2  is longer, the signal strength of the wireless signal broadcast by the wireless signal broadcast unit  121  is enabled to be greater, avoiding the case where the time for waiting for the elevator car  110  is too long as a result of the elevator calling request is completed too late. 
     Therefore, the automatic elevator-calling control method of step S 610  to step S 630  can greatly improve the elevator calling experience of the passenger  90 . 
     At the end of the personal mobile terminal  200 , as shown in  FIG. 6( b ) , in step S 640 , the elevator calling distance is adjusted and configured. In this step, the passenger  90  can directly adjust and configure the elevator calling distance by way of input, and can also adjust and configure the corresponding elevator calling distance according to the movement speed V of the passenger  90  carrying the personal mobile terminal  200 , wherein the movement speed V of the passenger  90  is determined particularly according to one or more of: passenger movement speed input, passenger age, passenger height, statistic information about the passenger movement speed, statistic information about historical passenger movement speed. For example, the passenger  90  can directly input passenger movement speed information through an input unit  250  of the personal mobile terminal  200 ; for another example, the passenger  90  directly inputs the passenger age and/or passenger height through the input unit  250  of the personal mobile terminal  200 , and the elevator calling distance adjustment and configuration unit  240  can approximately calculate the movement speed of the passenger  90  according to the passenger age and/or passenger height; for still another example, a corresponding server or cloud end can be provided, to collect data relevant to the movement speed of all the passengers  90 , so as to form a corresponding database; by performing data analysis on the database, for example movement speed statistic information about the passengers and/or historical movement speed statistic information about the passengers can be obtained, and the movement speed information about each passenger  90  can also be relatively accurately obtained in conjunction with information input by the passenger  90 . 
     In step S 640 , if the movement speed V of the passenger  90  is faster, the elevator calling distance can be configured to be larger, and the passenger  90  can automatically complete the elevator calling request at a farther place in the process of moving towards the elevator landing area  410 , thereby reducing the waiting time at the landing; and if the movement speed V of the passenger  90  is slower, the elevator calling distance can be configured to be smaller, and the passenger  90  automatically completes the elevator calling request at a relatively nearer place in the process of moving towards the elevator landing area  410 , avoiding the case where the passenger cannot enter the elevator car  110  in time after completing the elevator calling request operation. In the case where the movement speed V of the passenger  90  is substantially determined, if the elevator calling distance is determined, the time for the passenger  90  to approximately move to the elevator landing area  410  can be substantially calculated. In the above-mentioned process of configuring an elevator calling distance, no matter how fast the movement speeds of the passengers  90  are, the time from their personal mobile terminals  200  respectively automatically sending an elevator calling request command to having moved to the elevator landing area  410  is substantially the same. 
     In step S 640 , a corresponding trigger threshold strength can be adjusted and configured according to the movement speed V of the passenger  90  carrying the personal mobile terminal  200 , so that the boundary  1231  as shown in  FIG. 3  is different for each passenger  90 , completing the adjustment and configuration of the elevator calling distance. In a further alternative embodiment, a time point of delaying the sending of an elevator calling request command is adjusted and configured according to the movement speed V of the passenger  90  carrying the personal mobile terminal  200 ; for example, if the movement speed of the passenger is relatively slow, an elevator calling request command is triggered to be generated at the boundary  1231  but is not immediately sent, but instead, the elevator calling request command is sent after the delay of a corresponding time period, the delayed time period being determined according to the movement speed. it will be understood that the delayed time period in fact corresponds to a movement distance in the time period under the movement speed; for the passenger with a relatively slow movement speed, the elevator calling distance in fact reduces the movement distance corresponding to the delayed time period; and the above-mentioned method of delaying the sending time is also a particular example of adjusting and configuring the elevator calling distance in essence. 
     At the same time, in step S 650 , the personal mobile terminal  200  senses the wireless signal  123 , and the signal strength of the sensed wireless signal  123  can be calculated in real time. 
     Further, in step S 660 , whether the wireless signal  123  has been successfully sensed is judged. In one embodiment, whether the wireless signal  123  has been successfully sensed is judged based on the trigger threshold strength; for example, if the signal strength of the sensed wireless signal  123  is equal to or greater than the trigger threshold strength, then it corresponds to the passenger  90  reaching the boundary  1231 , and the judgement result is “yes”, the generation of an elevator calling request command is automatically triggered and the elevator calling request command is sent to the wireless signal apparatus  120 , i.e., step S 670 ; otherwise, the judgement result is “no”, and step S 650  is returned to. 
     In this way, the length of the time periods for different passengers  90  (even though the movement speeds are different) from sending an elevator calling request command to having moved to the elevator landing area  410  tend to be consistent. 
     It should be noted that the personal mobile terminal  200  according to the above-mentioned embodiments of the present invention can be implemented by computer program instructions, for example, implemented by a dedicated APP. These computer program instructions can be provided to a processor of a general-purpose computer, of a special-purpose computer or of other programmable data processing devices to construct the personal mobile terminal  200  according to the embodiments of the present invention; and the processor of the computer or other programmable data processing devices can execute these instructions to create a unit or component for implementing a specified function/operation in these flow charts and/or blocks and/or one or more flow block diagrams. 
     In the same way, the wireless signal apparatus  120  of the elevator system  10  according to the above-mentioned embodiments of the present invention can be implemented by computer program instructions, for example, implemented by a special-purpose program, and these computer program instructions can be provided to the processor to construct the control module  300  of the embodiments of the present invention; and the processor of the computer or other programmable data processing devices can execute these instructions to create a unit or component for implementing a specified function/operation in these flow charts and/or blocks and/or one or more flow block diagrams. 
     Moreover, these computer program instructions can be stored in a computer readable memory, and these instructions can instruct a computer or other programmable processors to implement a function in a specific way, so that these instructions stored in the computer readable memory construct a fabricated product containing an instruction component implementing a specified function/operation in one or more blocks of a flow chart and/or block diagram. 
     It should also be noted that, in some alternative implementation manners, the functions/operations shown in the blocks may not happen in the sequence shown in the flowchart. For example, two blocks successively shown can be executed substantially at the same time in fact, or these blocks can be executed in a reversed order sometimes, depending on the involved function/operation in particular. 
     It should be noted that the elements (including the flow charts and block diagrams in the accompanying drawings) disclosed and described herein refer to logical boundaries between elements. However, according to software or hardware program practices, the described elements and functions thereof can be executed on a machine through a computer executable medium; the computer executable medium has a processor capable of executing program instructions stored thereon; and the program instructions act as a single-chip software structure, as an independent software module or as a module using external programs, codes, services, etc., or as any combination of these, and all of these execution solutions can fall within the scope of the present disclosure. 
     Even though different non-restrictive implementation manners have specifically described components, the implementation manners of the present invention are not limited to these specific combinations. Some of components or features from any non-restrictive implementation manners can be used in combination with features or components from any other non-restrictive implementation manners. 
     Although a specific step sequence is shown, disclosed and claimed, it should be understood that the steps can be implemented in any order, separated or combined, and will still benefit from the present disclosure, unless otherwise specified. 
     The description above is exemplary but is not defined to be limited thereto. Various non-restrictive implementation manners are disclosed here; however, a person of ordinary skill in the art will realize that, according to the teachings above, various modifications and changes will fall within the scope of the appended claims. Therefore, it will be understood that, within the scope of the appended claims, the disclosure other than a specific disclosure can be embodied. For this reason, the real range and contents should be determined by studying the appended claims.