Reverse vehicle searching method, device and system and storage medium

Abstract

The invention discloses a reverse vehicle searching method, device and system and a storage medium. The method comprises the steps that a mobile terminal plays a sound wave positioning request signal in response to triggering of a reverse vehicle searching event; a first target guiding device which receives the sound wave positioning request signal in the at least one guiding device sends vehicle identification information in the sound wave positioning request signal to a server; the server determines the first position of the mobile terminal according to the setting position of the first target guiding device in the parking lot, and determines the second position of the parking space where the vehicle is located according to the vehicle identification information; the server sends the first position and the second position to the mobile terminal in a sound wave mode through the first target guiding device, and the mobile terminal generates a vehicle searching guiding route based on the first position and the second position; wherein the vehicle searching guidance route is used for indicating the user to perform reverse vehicle searching. According to the scheme, the vehicle searching guidance route can be provided for the user in real time, and the user can quickly find the vehicle in the parking lot.

Description

Technical Field

[0001] The present invention relates to the field of computer technology, and particularly to a reverse car finding method, device, system and storage medium. Background Art

[0002] In large venues and shopping malls, there are many parking spaces in the underground parking lot. In real life, after parking, it often takes a long time to find the car due to inconsistent pedestrian access channels, and sometimes the car cannot be found at all. Even if some parking lots are equipped with a car finding system, it only tells the location of the parking space and cannot directly, effectively and real-time feedback the car finding route.

[0003] In related technologies, a fixed query desk is set at the exit of a large venue or shopping mall to restrict the starting point of the path. After the user inputs the license plate number at the query desk, the query desk queries the parking space where the vehicle with the license plate number is located and presents the corresponding car finding route at the query desk.

[0004] However, during the process of the user finding the car, the car finding route cannot be displayed in real time and the user needs to rely on memory after the query is completed. Even if there is a guiding light belt set in the parking lot, after the query desk queries the car finding route, it controls the guiding light belt on the car finding route to emit light to guide the user to find the car. However, in the scenario where multiple people are finding cars, there will be multiple car finding routes, and the probability of intersection of multiple car finding routes is high. When multiple car finding routes intersect, it is impossible to distinguish which route the guiding light belt specifically indicates, and the user still needs to rely on memory for the car finding route. Summary of the Invention

[0005] The present invention provides a reverse car finding method, device, system and storage medium, which can provide a real-time car finding guiding route for the user and help the user quickly find the vehicle in the parking lot.

[0006] According to one aspect of the present invention, a reverse car finding method is provided, which is applied to a reverse car finding system. The reverse car finding system includes a server, a mobile terminal and at least one guiding device set in the parking lot. The method includes:

[0007] In response to the triggering of a reverse car finding event, the mobile terminal plays a sound wave positioning request signal, where the sound wave positioning request signal includes vehicle identification information;

[0008] The first target guiding device that receives the sound wave positioning request signal among the at least one guiding device sends the vehicle identification information in the sound wave positioning request signal to the server;

[0009] The server determines the first position of the mobile terminal according to the set position of the first target guiding device in the parking lot, and determines the second position of the parking space where the vehicle is located according to the vehicle identification information;

[0010] The server sends the first position and the second position to the mobile terminal in a sound wave manner through the first target guiding device, and the mobile terminal generates a vehicle search guidance route based on the first position and the second position; wherein, the vehicle search guidance route is used to instruct the user to perform reverse vehicle search.

[0011] According to another aspect of the present invention, there is provided a reverse vehicle search device, which is applied to a reverse vehicle search system. The reverse vehicle search system includes a server, a mobile terminal, and at least one guiding device arranged in a parking lot; the device includes:

[0012] A sound wave positioning request signal playing module, configured to, in response to a reverse vehicle search event being triggered, the mobile terminal play a sound wave positioning request signal; wherein, the sound wave positioning request signal includes vehicle identification information;

[0013] A vehicle identification information sending module, configured to the first target guiding device that receives the sound wave positioning request signal among the at least one guiding device send the vehicle identification information in the sound wave positioning request signal to the server;

[0014] A position determining module, configured to the server determine the first position of the mobile terminal according to the set position of the first target guiding device in the parking lot, and determine the second position of the parking space where the vehicle is located according to the vehicle identification information;

[0015] A vehicle search guidance route generating module, configured to the server send the first position and the second position to the mobile terminal in a sound wave manner through the first target guiding device, and the mobile terminal generate a vehicle search guidance route based on the first position and the second position; wherein, the vehicle search guidance route is used to instruct the user to perform reverse vehicle search.

[0016] According to another aspect of the present invention, there is provided a reverse vehicle search system, the reverse vehicle search system includes a server, a mobile terminal, and at least one guiding device arranged in a parking lot; wherein,

[0017] The mobile terminal is configured to, in response to a reverse vehicle search event being triggered, play a sound wave positioning request signal; wherein, the sound wave positioning request signal includes vehicle identification information;

[0018] The first target guiding device that receives the sound wave positioning request signal among the at least one guiding device sends the vehicle identification information in the sound wave positioning request signal to the server;

[0019] The server is configured to determine a first position of the mobile terminal according to a set position of the first target guiding device in the parking lot, and determine a second position of the parking space where the vehicle is located according to the vehicle identification information;

[0020] The server is further configured to send the first position and the second position to the mobile terminal in a sound wave manner through the first target guiding device;

[0021] The mobile terminal is further configured to generate a vehicle search guidance route based on the first position and the second position; wherein, the vehicle search guidance route is used to instruct the user to perform reverse vehicle search.

[0022] According to another aspect of the present invention, there is provided a computer-readable storage medium storing computer instructions for causing a processor to implement the reverse vehicle search method according to any embodiment of the present invention when executed.

[0023] The reverse vehicle search solution of the embodiments of the present invention is applied to a reverse vehicle search system, which includes a server, a mobile terminal, and at least one guiding device arranged in a parking lot; the method includes: in response to a reverse vehicle search event being triggered, the mobile terminal plays a sound wave positioning request signal; wherein, the sound wave positioning request signal includes vehicle identification information; the first target guiding device that receives the sound wave positioning request signal among the at least one guiding device sends the vehicle identification information in the sound wave positioning request signal to the server; the server determines a first position of the mobile terminal according to a set position of the first target guiding device in the parking lot, and determines a second position of the parking space where the vehicle is located according to the vehicle identification information; the server sends the first position and the second position to the mobile terminal in a sound wave manner through the first target guiding device, and the mobile terminal generates a vehicle search guidance route based on the first position and the second position; wherein, the vehicle search guidance route is used to instruct the user to perform reverse vehicle search. Through the technical solution provided by the embodiments of the present invention, it is not necessary to rely on the Internet, and even in a poor network environment, it is possible to provide a vehicle search guidance route for the user in real time at low cost, which helps the user quickly find the vehicle in the parking lot.

[0024] It should be understood that the content described in this part is not intended to identify the key or important features of the embodiments of the present invention, nor is it used to limit the scope of the present invention. Other features of the present invention will become easily understood through the following description. Description of the Drawings

[0025] To more clearly illustrate the technical solutions in the embodiments of the present invention, the following will briefly introduce the drawings required for the description of the embodiments. Obviously, the drawings in the following description are only some embodiments of the present invention. For those of ordinary skill in the art, without creative efforts, other drawings can be obtained based on these drawings.

[0026] Figure 1 is a flowchart of a reverse car-finding method provided according to Embodiment 1 of the present invention;

[0027] Figure 2 is a flowchart of a reverse car-finding method provided according to Embodiment 2 of the present invention;

[0028] Figure 3 is a schematic structural diagram of a reverse car-finding device provided according to Embodiment 3 of the present invention;

[0029] Figure 4 is a schematic structural diagram of a reverse car-finding system for implementing the reverse car-finding method of the embodiments of the present invention. Detailed Embodiments

[0030] In order to enable those skilled in the art to better understand the solutions of the present invention, the following will clearly and completely describe the technical solutions in the embodiments of the present invention with reference to the drawings in the embodiments of the present invention. Obviously, the described embodiments are only some of the embodiments of the present invention, rather than all of them. Based on the embodiments of the present invention, all other embodiments obtained by those of ordinary skill in the art without creative efforts shall fall within the protection scope of the present invention.

[0031] It should be noted that the terms "first", "second", etc. in the specification and claims of the present invention and the above-mentioned drawings are used to distinguish similar objects, and do not necessarily need to describe a specific order or sequence. It should be understood that such used data can be interchanged under appropriate circumstances so that the embodiments of the present invention described here can be implemented in an order different from those illustrated or described here. In addition, the terms "comprising" and "having" and any variations thereof are intended to cover non-exclusive inclusion. For example, a process, method, system, product or device including a series of steps or units does not necessarily need to be limited to those clearly listed steps or units, but may include other steps or units not clearly listed or inherent to these processes, methods, products or devices.

[0032] Embodiment 1

[0033] Figure 1The following is a flowchart of a reverse vehicle finding method provided in Embodiment 1 of the present invention. This embodiment is applicable to the situation of finding a vehicle parked in a parking lot. The method can be executed by a reverse vehicle finding device, which can be implemented in the form of hardware and / or software. The reverse vehicle finding device can be configured in a reverse vehicle finding system, where the reverse vehicle finding system includes a server, a mobile terminal, and at least one guiding device arranged in the parking lot. As Figure 1 shown, the method includes:

[0034] S110. In response to the triggering of a reverse vehicle finding event, the mobile terminal plays a sound wave positioning request signal; wherein, the vehicle identification information is included in the sound wave positioning request signal.

[0035] In the embodiment of the present invention, when the mobile terminal receives a reverse vehicle finding instruction input by the user, it is determined that the reverse vehicle finding event is triggered. Exemplarily, when the user needs to find a vehicle in the parking lot, the user can open the parking lot mini-program or the parking lot APP, input the vehicle identification information, thereby triggering the reverse vehicle finding event. Among them, for a vehicle with a license plate, the vehicle identification information can be the license plate number; for a vehicle without a license plate, when the vehicle without a license plate enters the parking lot to park, it needs to scan a code to enter the lot, and a vehicle ID information is randomly generated according to the time point. The randomly generated vehicle ID information is used as the vehicle identification information.

[0036] When the mobile terminal detects that the reverse vehicle finding event is triggered, it obtains the vehicle identification information, generates a vehicle positioning request based on the vehicle identification information, then modulates the vehicle positioning request based on the sound wave technology to generate a sound wave positioning request signal, and plays the sound wave positioning request signal through the mobile terminal speaker.

[0037] S120. The first target guiding device that receives the sound wave positioning request signal among at least one guiding device sends the vehicle identification information in the sound wave positioning request signal to the server.

[0038] In an embodiment of the present invention, at least one guiding device is provided in a parking lot. The guiding device is composed of a guiding screen, a sound wave device, and a single-chip microcomputer control chip. Each guiding device and the server are in the same local area network to achieve communication between the guiding device and the server. When the mobile terminal plays a sound wave positioning request signal, the guiding device within the preset range of the mobile terminal can receive the sound wave positioning request signal. For the convenience of description, the guiding device that receives the sound wave positioning request signal among at least one guiding device in the parking lot is determined as the first target guiding device. The number of the first target guiding devices can be one or more, and the embodiment of the present invention does not limit the number of the first target guiding devices. Specifically, the first target guiding device can receive the sound wave positioning request signal through the built-in sound wave device. After the sound wave device of the first guiding device receives the sound wave positioning request signal, it sends the sound wave positioning request signal to the single-chip microcomputer control chip in the first guiding device. The single-chip microcomputer control chip analyzes the sound wave positioning request signal, identifies the vehicle identification information, and sends the vehicle identification information to the server through the Internet.

[0039] S130. The server determines the first position of the mobile terminal according to the installation position of the first target guiding device in the parking lot, and determines the second position of the parking space where the vehicle is located according to the vehicle identification information.

[0040] In an embodiment of the present invention, the server receives the vehicle identification information sent by the first target guiding device, determines the sender of the vehicle identification information (i.e., the first target guiding device), and then determines the first position (M, N) of the mobile terminal according to the installation position of the first target guiding device in the parking lot. Exemplarily, when there is one first target guiding device, the position where the first target guiding device is located in the parking lot can be used as the first position (M, N) of the mobile terminal; when there are multiple first target guiding devices, the central position of all the positions where the first target guiding devices are located in the parking lot can be used as the first position (M, N) of the mobile terminal.

[0041] Optionally, the number of the first target guiding devices is at least two; before the server determines the first position of the mobile terminal according to the installation position of the first target guiding device in the parking lot, it further includes: the server determines the signal strength of the corresponding sound wave positioning request signal received by the first target guiding device; the server determines the first position of the mobile terminal according to the installation position of the first target guiding device in the parking lot, including: the server determines the first position of the mobile terminal according to the installation position of the first target guiding device in the parking lot and the corresponding signal strength. The advantage of this setting is that the position of the mobile terminal can be determined more accurately.

[0042] Specifically, the closer the first target guiding device is to the mobile terminal, the greater the intensity of the acoustic wave positioning request signal received by the first target guiding device from the mobile terminal. Conversely, the farther the first target guiding device is from the mobile terminal, the smaller the intensity of the acoustic wave positioning request signal received by the first target guiding device from the mobile terminal. Therefore, the first target guiding device determines the signal intensity of the acoustic wave positioning request signal it receives and sends the signal intensity to the server, so that the server can determine the signal intensity of the corresponding acoustic wave positioning request signal received by each first target guiding device. The server determines the first position of the mobile terminal based on the installation position of the first target guiding device in the parking lot and the corresponding signal intensity. Exemplarily, the greater the signal intensity, the greater the weight of the installation position of the corresponding first target guiding device in the parking lot, and the closer the determined first position of the mobile terminal is to the installation position of the first target guiding device.

[0043] In the embodiment of the present invention, the server determines the second position (X, Y) of the vehicle in the parking space according to the vehicle identification information. Exemplarily, a camera is installed in each parking space in the parking lot. For a vehicle with a license plate, when the vehicle with a license plate parks in a certain parking space in the parking lot, the camera in that parking space takes a picture of the vehicle with the license plate, so that the license plate number (i.e., the vehicle identification information) of the vehicle with the license plate can be obtained and uploaded to the server, so that the server can obtain the vehicle identification information of the vehicles parked in each parking space. For a vehicle without a license plate, when the vehicle without a license plate enters the parking lot through the vehicle ID information generated by scanning the code with the mobile terminal, during the process of the vehicle without a license plate looking for an empty parking space to park, the mobile terminal plays the vehicle ID information (i.e., the vehicle identification information) in an acoustic wave manner in real time, and the guiding device in the parking lot that receives the vehicle ID information transmits the received vehicle ID information to the server. The server records the driving route of the vehicle without a license plate according to the installation position of the guiding device that transmits the vehicle ID information and controls the cameras on the driving route to take pictures of the vehicle without a license plate. The camera sends the taken picture of the vehicle without a license plate to the server, so that the server determines the parking position of the vehicle without a license plate according to the picture of the vehicle without a license plate and the installation position of the guiding device that transmits the vehicle ID information. Therefore, the server can directly determine the second position (X, Y) of the vehicle in the parking space according to the vehicle identification information.

[0044] S140. The server sends the first position and the second position to the mobile terminal in an acoustic wave manner through the first target guiding device, and the mobile terminal generates a car-finding guidance route based on the first position and the second position; wherein, the car-finding guidance route is used to instruct the user to perform reverse car-finding.

[0045] In an embodiment of the present invention, the server sends the first location and the second location to the first target guiding device via the Internet. After receiving the first location and the second location, the first target guiding device sends the first location and the second location to the mobile terminal in a sound wave manner. The mobile terminal generates a vehicle searching guidance route based on the first location and the second location, and displays the vehicle searching guidance route in real time, so that the user can search for the parking space where the vehicle is located according to the vehicle searching guidance route. The advantage of such a setting is that, due to the limited memory and transmission capacity of the guiding device, only the first location and the second location are transmitted to the mobile terminal through the guiding device, rather than directly transmitting the vehicle searching guidance route, which can improve the transmission speed of the first location and the second location, so that the mobile terminal can quickly determine the vehicle searching guidance route.

[0046] Optionally, in response to the triggering of a reverse vehicle searching event, the mobile terminal plays a sound wave positioning request signal, including: in response to the triggering of a reverse vehicle searching event, the mobile terminal obtains a first parking lot map from the server and obtains vehicle identification information; wherein, the first parking lot map is a parking lot map that does not include the distribution information of the at least one guiding device; generating a sound wave positioning request signal according to the vehicle identification information, and playing the sound wave positioning request signal; the mobile terminal generates a vehicle searching guidance route based on the first location and the second location, including: the mobile terminal uses the first location as the starting point and the second location as the ending point, and generates a vehicle searching guidance route according to the first parking lot map.

[0047] In an embodiment of the present invention, when the mobile terminal detects that a reverse vehicle searching event is triggered, it obtains a first parking lot map from the server and obtains vehicle identification information. Usually, when the user enters the pedestrian passage entrance of the parking lot from a shopping mall or a large venue, a reverse vehicle searching event is triggered. At this time, the network of the mobile terminal is good. Therefore, the mobile terminal can obtain the first parking lot map from the server through the network. Among them, the first parking lot map is a parking lot map that does not mark the distribution information of the at least one guiding device, that is, the first parking lot map does not include the distribution information of each guiding device. The mobile device generates a sound wave positioning request signal based on the vehicle identification information and plays the sound wave positioning request signal through the speaker. The mobile terminal uses the first location as the starting point and the second location as the ending point, and generates a vehicle searching guidance route according to the first parking lot map.

[0048] The reverse vehicle finding method according to an embodiment of the present invention is applied to a reverse vehicle finding system. The reverse vehicle finding system includes a server, a mobile terminal, and at least one guiding device disposed in a parking lot. The method includes: in response to a reverse vehicle finding event being triggered, the mobile terminal plays a sound wave positioning request signal; wherein, the sound wave positioning request signal includes vehicle identification information; the first target guiding device that receives the sound wave positioning request signal among the at least one guiding device sends the vehicle identification information in the sound wave positioning request signal to the server; the server determines a first position of the mobile terminal according to the installation position of the first target guiding device in the parking lot, and determines a second position of the parking space where the vehicle is located according to the vehicle identification information; the server sends the first position and the second position to the mobile terminal in a sound wave manner through the first target guiding device, and the mobile terminal generates a vehicle finding guiding route based on the first position and the second position; wherein, the vehicle finding guiding route is used to guide the user to find the vehicle in reverse. Through the technical solution provided by the embodiment of the present invention, it is not necessary to rely on the Internet. Even in a poor network environment, it is possible to provide a vehicle finding guiding route for the user in real time at low cost, which helps the user quickly find the vehicle in the parking lot.

[0049] In some embodiments, after the server determines the first position of the mobile terminal according to the installation position of the first target guiding device in the parking lot and determines the second position of the parking space where the vehicle is located according to the vehicle identification information, it further includes: the server generates a target guiding route according to the first position, the second position, and a pre-stored second parking lot map, and feeds back the target guiding route to the first target guiding device; wherein, the second parking lot map is a parking lot map including distribution information of the at least one guiding device; the first target guiding device sends the target guiding route to the mobile terminal in a sound wave manner, and the mobile terminal updates the vehicle finding guiding route based on the target guiding route. Optionally, after the mobile terminal updates the vehicle finding guiding route based on the target guiding route, it further includes: the server determines a traveling direction at a target guiding point on the target guiding route, and sends the traveling direction and the vehicle identification information to a second target guiding device corresponding to the target guiding point; wherein, the target guiding point is a position point on the target guiding route where a guiding device is installed, and the guiding device installed at the target guiding point is the second target guiding device. During the process of the user finding the vehicle in reverse based on the target guiding route, the mobile terminal plays the vehicle identification information in a sound wave manner in real time; the third target guiding device that receives the vehicle identification information among the second target guiding devices displays the traveling direction and the vehicle identification information at the target guiding point corresponding to the third target guiding device.

[0050] In an embodiment of the present invention, the second parking lot map is a parking lot map including distribution information of the at least one guiding device, that is, the distribution information of each guiding device is marked in the second parking lot map. The server uses the first position as the starting point and the second position as the ending point, and generates a target guiding route according to the second parking lot map. It can be understood that the target guiding route includes target guiding points, where the target guiding points are position points where guiding devices are provided. The server feeds back the target guiding route including the target guiding points to the first target guiding device, and the first target guiding device sends the target guiding route to the mobile terminal in a sound wave manner, and replaces the car-finding guiding route that does not include the target guiding points with the target guiding route, so that the user can perform reverse car-finding based on the target guiding route.

[0051] The server determines the traveling direction at each target guiding point on the target guiding route, and sends the traveling direction and vehicle identification information at each target guiding point to the second target guiding device corresponding to the target guiding point. For example, if the target guiding route includes three target guiding points A, B, and C, the server respectively determines the traveling directions of the three target guiding points A, B, and C on the target guiding route, and sends the traveling direction and vehicle identification information of target guiding point A to the second target guiding device corresponding to target guiding point A, sends the traveling direction and vehicle identification information of target guiding point B to the second target guiding device corresponding to target guiding point B, and sends the traveling direction and vehicle identification information of target guiding point C to the second target guiding device corresponding to target guiding point C.

[0052] During the process of the user performing reverse car-finding based on the target guiding route, the mobile terminal plays the vehicle identification information in a sound wave manner in real time. The second target guiding device within the preset range of the mobile terminal can receive the vehicle identification information. In an embodiment of the present invention, the guiding device that receives the vehicle identification information in the second target guiding device is called the third target guiding device. The third target guiding device displays the traveling direction and vehicle identification information at the target guiding point corresponding to the third target guiding device. The advantage of this setting is that during the process of the user performing reverse car-finding based on the car-finding guiding route, the guiding devices around the user can display the traveling direction to guide the user to quickly find the car according to the traveling direction, reducing the probability of incorrect driving on the car-finding route. In addition, when multiple users find cars based on the corresponding car-finding guiding routes, the users can find the corresponding traveling direction according to the traveling direction and vehicle identification information, which can further reduce the probability of incorrect driving. Optionally, if there are multiple car-finding tasks at the same guiding device, the guiding device can sort and display the corresponding traveling direction and vehicle identification information according to the order of receiving the vehicle identification information for the first time.

[0053] In some embodiments, after the third target guiding device that receives the vehicle identification information in the second target guiding device displays the traveling direction and the vehicle identification information at the target guiding point corresponding to the third target guiding device, the following is further included: when the third target guiding device fails to receive the vehicle identification information within a preset time period, delete the traveling direction and the vehicle identification information at the target guiding point corresponding to the third target guiding device. Exemplarily, when the third target guiding device can no longer receive the vehicle identification information played by the mobile terminal, terminate the display task of the traveling direction and the vehicle identification information, and start timing. If the vehicle identification information played by the mobile terminal has not been received within the preset time period, the third target guiding device deletes the traveling direction and the vehicle identification information at the corresponding target guiding point. The advantage of such a setting is that it can enable the guiding device to have sufficient memory to store the traveling direction and the corresponding vehicle identification information of the car-finding guidance routes corresponding to other users at this guiding point, so as to provide traveling direction guidance for other users.

[0054] In some embodiments, after the mobile terminal plays the vehicle identification information in a sound wave manner in real time, the following is further included: the mobile terminal receives the sound wave response played by the third target guiding device in real time, and updates the first position according to the sound wave response; the mobile terminal updates the target guiding route based on the updated first position. Exemplarily, the third target guiding device that receives the vehicle identification information plays a sound wave response to the vehicle identification information. The mobile terminal receives the sound wave response played by the third target guiding device in real time, and updates the first position (M, N) according to the sound wave response. Exemplarily, the sound wave response may include the position information of the third target guiding device in the car-finding guiding route, so that the mobile terminal uses the position of the third target guiding device in the car-finding guiding route as the new first position (M, N). Then the mobile terminal updates the target guiding route based on the updated first position, so as to realize real-time positioning navigation of the car-finding route during the reverse car-finding process.

[0055] In some embodiments, the sound wave response contains the identification information of the third target guiding device; updating the first position according to the sound wave response includes: the mobile terminal determines the target guiding point corresponding to the third target guiding device based on the identification information of the third target guiding device in the sound wave response; updating the first position based on the position of the target guiding point corresponding to the third target guiding device. The advantage of such a setting is that during the reverse car-finding process, the mobile terminal can accurately update the first position, so as to realize accurate real-time positioning navigation.

[0056] Exemplarily, the acoustic wave response played by the third target guiding device includes the identification information of the third target guiding device. When the mobile terminal receives the acoustic wave response, it analyzes the acoustic wave response to determine the third target guiding device that sends the acoustic wave response, and updates the first position based on the position of the third target guiding device corresponding to the target guiding point on the target guiding route. Then, the target guiding route is updated in real time based on the updated first position, thereby realizing real-time positioning and navigation.

[0057] Embodiment 2

[0058] Figure 2 The flowchart of a reverse parking search method provided by Embodiment 2 of the present invention is shown as Figure 2 shown, and the method includes:

[0059] S210. In response to the triggering of a reverse parking search event, the mobile terminal obtains a first parking lot map from the server and obtains vehicle identification information; wherein, the first parking lot map is a parking lot map that does not include the distribution information of at least one guiding device.

[0060] S220. Generate an acoustic wave positioning request signal according to the vehicle identification information and play the acoustic wave positioning request signal.

[0061] S230. The first target guiding device among at least one guiding device that receives the acoustic wave positioning request signal sends the vehicle identification information in the acoustic wave positioning request signal to the server.

[0062] S240. The server determines the first position of the mobile terminal according to the set position of the first target guiding device in the parking lot, and determines the second position of the vehicle according to the vehicle identification information.

[0063] S250. The server sends the first position and the second position to the mobile terminal in an acoustic wave manner through the first target guiding device.

[0064] S260. The mobile terminal takes the first position as the starting point and the second position as the ending point, and generates a parking search guiding route according to the first parking lot map; wherein, the parking search guiding route is used to guide the user to conduct a reverse parking search.

[0065] S270. The server generates a target guiding route according to the first position, the second position and a pre-stored second parking lot map, and feeds back the target guiding route to the first target guiding device; wherein, the second parking lot map is a parking lot map that includes the distribution information of at least one guiding device.

[0066] S280. The first target guiding device sends the target guiding route to the mobile terminal in an acoustic wave manner, and the mobile terminal updates the parking search guiding route based on the target guiding route.

[0067] S290. The server determines the traveling direction at the target guiding point on the target guiding route and sends the traveling direction and the vehicle identification information to the second target guiding device corresponding to the target guiding point; wherein, the target guiding point is the position point on the target guiding route where a guiding device is set.

[0068] S2100. During the process of the user performing reverse car finding based on the car finding guiding route, the mobile terminal plays the vehicle identification information in a sound wave manner in real time.

[0069] S2110. Among the second target guiding devices, the third target guiding device that receives the vehicle identification information displays the traveling direction and the vehicle identification information at the target guiding point corresponding to the third target guiding device.

[0070] S2120. The mobile terminal receives the sound wave response played by the third target guiding device in real time and updates the first position according to the sound wave response.

[0071] S2130. The mobile terminal updates the target guiding route based on the updated first position.

[0072] The reverse car finding method provided by the embodiment of the present invention does not need to rely on the Internet. Even in the case of a poor network environment, it can provide the car finding guiding route for the user in real time at low cost, which helps the user quickly find the vehicle in the parking lot. Moreover, during the process of the user performing reverse car finding based on the car finding guiding route, the guiding devices around the user can display the traveling direction to guide the user to quickly find the car according to the traveling direction, reducing the probability of the occurrence of the situation of driving on the wrong car finding route. In addition, during the car finding process, the mobile terminal can continuously update the first position, so as to realize the real-time positioning and navigation of the car finding route during the reverse car finding process.

[0073] Embodiment Three

[0074] Figure 3 It is a schematic structural diagram of a reverse car finding device provided by Embodiment Three of the present invention. Among them, the reverse car finding device is applied to a reverse car finding system, and the reverse car finding system includes a server, a mobile terminal and at least one guiding device arranged in a parking lot. As Figure 3 shown, the device includes:

[0075] The sound wave positioning request signal playing module 310 is used for the mobile terminal to play a sound wave positioning request signal in response to the triggering of a reverse car finding event; wherein, the sound wave positioning request signal includes vehicle identification information;

[0076] The vehicle identification information sending module 320 is used for the first target guiding device among the at least one guiding device that receives the sound wave positioning request signal to send the vehicle identification information in the sound wave positioning request signal to the server;

[0077] A location determination module 330, configured to determine a first location of the mobile terminal by the server according to a set location of the first target guiding device in the parking lot, and determine a second location of the vehicle in the parking space according to the vehicle identification information;

[0078] A car-finding guidance route generation module 340, configured to the server send the first location and the second location to the mobile terminal in a sound wave manner through the first target guiding device, and the mobile terminal generates a car-finding guidance route based on the first location and the second location; wherein, the car-finding guidance route is used to instruct the user to perform reverse car-finding.

[0079] Optionally, there are at least two first target guiding devices;

[0080] The device further includes:

[0081] A signal strength determination module, configured to determine, by the server, a signal strength of a corresponding sound wave positioning request signal received by the first target guiding device before the server determines the first location of the mobile terminal according to the set location of the first target guiding device in the parking lot;

[0082] The location determination module is configured to:

[0083] Determine the first location of the mobile terminal by the server according to the set location of the first target guiding device in the parking lot and the corresponding signal strength.

[0084] Optionally, the sound wave positioning request signal playing module is configured to:

[0085] In response to a reverse car-finding event being triggered, the mobile terminal obtains a first parking lot map from the server and obtains vehicle identification information; wherein, the first parking lot map is a parking lot map that does not include distribution information of the at least one guiding device;

[0086] Generate a sound wave positioning request signal according to the vehicle identification information and play the sound wave positioning request signal;

[0087] The car-finding guidance route generation module is configured to:

[0088] Generate a car-finding guidance route by using the mobile terminal with the first location as the starting point and the second location as the ending point according to the first parking lot map.

[0089] Optionally, the device further includes:

[0090] A target guidance route generation module, which is used to, after the server determines the first position of the mobile terminal according to the set position of the first target guiding device in the parking lot and determines the second position of the parking space where the vehicle is located according to the vehicle identification information, generate a target guidance route by the server according to the first position, the second position and a pre-stored second parking lot map, and feedback the target guidance route to the first target guiding device; wherein, the second parking lot map is a parking lot map containing the distribution information of at least one guiding device.

[0091] A car-finding guidance route update module, which is used for the first target guiding device to send the target guidance route to the mobile terminal in a sound wave manner, and the mobile terminal updates the car-finding guidance route based on the target guidance route.

[0092] Optionally, the device further includes:

[0093] A traveling direction determination module, which is used to, after the mobile terminal updates the car-finding guidance route based on the target guidance route, determine the traveling direction at the target guiding point on the target guidance route by the server, and send the traveling direction and the vehicle identification information to the second target guiding device corresponding to the target guiding point; wherein, the target guiding point is a position point on the target guidance route where a guiding device is provided.

[0094] A vehicle identification information playing module, which is used to play the vehicle identification information in a sound wave manner in real time by the mobile terminal during the process of the user performing reverse car-finding based on the target guidance route.

[0095] A traveling direction display module, which is used to display the traveling direction and the vehicle identification information at the target guiding point corresponding to the third target guiding device by the third target guiding device that receives the vehicle identification information in the second target guiding device.

[0096] Optionally, the device further includes:

[0097] A traveling direction deletion module, which is used to, after the third target guiding device that receives the vehicle identification information in the second target guiding device displays the traveling direction and the vehicle identification information at the target guiding point corresponding to the third target guiding device, when the third target guiding device does not receive the vehicle identification information within a preset time period, delete the traveling direction and the vehicle identification information at the target guiding point corresponding to the third target guiding device.

[0098] Optionally, the device further includes:

[0099] The first position update module is configured to, after the mobile terminal plays the vehicle identification information in real time in a sound wave manner, receive in real time the sound wave response played by the third target guiding device through the mobile terminal, and update the first position according to the sound wave response.

[0100] The car-finding guidance route update module is configured to update the target guidance route based on the updated first position through the mobile terminal.

[0101] Optionally, the sound wave response includes the identification information of the third target guiding device.

[0102] The first position update module is configured to:

[0103] The mobile terminal determines a target guiding point corresponding to the third target guiding device based on the identification information of the third target guiding device in the sound wave response.

[0104] Update the first position based on the position of the target guiding point corresponding to the third target guiding device.

[0105] The reverse car-finding device provided by the embodiments of the present invention can execute the reverse car-finding method provided by any embodiment of the present invention, and has corresponding functional modules and beneficial effects for executing the method.

[0106] Embodiment 4

[0107] Figure 4 The structure diagram of a reverse car-finding system 400 that can be used to implement the embodiments of the present invention is shown. As Figure 4 shown, the reverse car-finding system includes a server 410, a mobile terminal 420, and at least one guiding device 430 arranged in a parking lot; wherein,

[0108] The mobile terminal 420 is configured to play a sound wave positioning request signal in response to the triggering of a reverse car-finding event; wherein, the sound wave positioning request signal includes vehicle identification information.

[0109] The first target guiding device that receives the sound wave positioning request signal among the at least one guiding device 430 sends the vehicle identification information in the sound wave positioning request signal to the server 410.

[0110] The server 410 is configured to determine the first position of the mobile terminal 420 according to the installation position of the first target guiding device in the parking lot, and determine the second position of the vehicle in the parking space according to the vehicle identification information.

[0111] The server 410 is further configured to send the first position and the second position to the mobile terminal 420 in a sound wave manner through the first target guiding device.

[0112] The mobile terminal 420 is further configured to generate a car-finding guidance route based on the first position and the second position; wherein, the car-finding guidance route is used to instruct the user to perform reverse car-finding.

[0113] The various embodiments of the systems and techniques described above in this document can be implemented in digital electronic circuit systems, integrated circuit systems, field-programmable gate arrays (FPGAs), application-specific integrated circuits (ASICs), application-specific standard products (ASSPs), systems-on-chip (SOCs), complex programmable logic devices (CPLDs), computer hardware, firmware, software, and / or combinations thereof. These various embodiments can include: implemented in one or more computer programs, the one or more computer programs can be executed and / or interpreted on a programmable system including at least one programmable processor, the programmable processor can be a dedicated or general-purpose programmable processor, and can receive data and instructions from a storage system, at least one input device, and at least one output device, and transmit the data and instructions to the storage system, the at least one input device, and the at least one output device.

[0114] The computer programs for implementing the methods of the present invention can be written in any combination of one or more programming languages. These computer programs can be provided to a processor of a general-purpose computer, a dedicated computer, or other programmable data processing devices, such that when the computer programs are executed by the processor, the functions / operations specified in the flowcharts and / or block diagrams are implemented. The computer programs can be executed entirely on the machine, partially on the machine, as an independent software package partially on the machine and partially on a remote machine, or entirely on a remote machine or server.

[0115] In the context of the present invention, a computer-readable storage medium can be a tangible medium that can contain or store a computer program for use by or in connection with an instruction execution system, apparatus, or device. The computer-readable storage medium can include, but is not limited to, electronic, magnetic, optical, electromagnetic, infrared, or semiconductor systems, apparatus, or devices, or any suitable combination of the foregoing. Alternatively, the computer-readable storage medium can be a machine-readable signal medium. More specific examples of the machine-readable storage medium would include electrical connections based on one or more wires, portable computer disks, hard disks, random access memory (RAM), read-only memory (ROM), erasable programmable read-only memory (EPROM or flash memory), optical fiber, portable compact disc read-only memory (CD-ROM), optical storage device, magnetic storage device, or any suitable combination of the foregoing.

[0116] To provide interaction with a user, the systems and techniques described herein can be implemented on a reverse parking guidance system that has: a display device (e.g., a CRT (cathode ray tube) or LCD (liquid crystal display) monitor) for displaying information to the user; and a keyboard and a pointing device (e.g., a mouse or a trackball) through which the user can provide input to the reverse parking guidance system. Other kinds of devices can also be used to provide interaction with the user; for example, the feedback provided to the user can be any form of sensory feedback (e.g., visual feedback, auditory feedback, or tactile feedback); and input from the user can be received in any form (including acoustic input, voice input, or tactile input).

[0117] The systems and techniques described herein can be implemented in a computing system that includes backend components (e.g., as a data server), or a computing system that includes middleware components (e.g., an application server), or a computing system that includes frontend components (e.g., a user computer having a graphical user interface or a web browser through which the user can interact with an implementation of the systems and techniques described herein), or a computing system that includes any combination of such backend components, middleware components, or frontend components. The components of the system can be interconnected to each other by digital data communication in any form or medium (e.g., a communication network). Examples of communication networks include: local area network (LAN), wide area network (WAN), blockchain network, and the Internet.

[0118] The computing system can include a client and a server. The client and the server are generally far apart from each other and typically interact through a communication network. The relationship between the client and the server is generated by computer programs that run on the respective computers and have a client-server relationship with each other. The server can be a cloud server, also known as a cloud computing server or a cloud host, which is a host product in the cloud computing service system and solves the defects of difficult management and weak business scalability existing in traditional physical hosts and VPS services.

[0119] It should be understood that the various forms of processes shown above can be used, with steps reordered, added, or deleted. For example, the steps recited in the present invention can be executed in parallel, sequentially, or in a different order, as long as the desired results of the technical solution of the present invention can be achieved, and no limitation is imposed herein.

[0120] The above specific embodiments do not constitute a limitation on the protection scope of the present invention. Those skilled in the art should understand that various modifications, combinations, sub-combinations, and substitutions can be made according to design requirements and other factors. Any modifications, equivalent substitutions, and improvements made within the spirit and principles of the present invention shall be included within the protection scope of the present invention.

Claims

1. A reverse car-finding method, characterized in that, it is applied to a reverse car-finding system, and the reverse car-finding system includes a server, a mobile terminal, and at least one guiding device arranged in a parking lot; the method includes: In response to the triggering of a reverse car-finding event, the mobile terminal plays a sound wave positioning request signal; wherein, the sound wave positioning request signal contains vehicle identification information; The first target guiding device that receives the sound wave positioning request signal among the at least one guiding device sends the vehicle identification information in the sound wave positioning request signal to the server; The server determines the first position of the mobile terminal according to the installation position of the first target guiding device in the parking lot, and determines the second position of the parking space where the vehicle is located according to the vehicle identification information; The server sends the first position and the second position to the mobile terminal in a sound wave manner through the first target guiding device, and the mobile terminal generates a car-finding guidance route based on the first position and the second position; wherein, the car-finding guidance route is used to guide the user to find the car in reverse.

2. The method according to claim 1, characterized in that, There are at least two of the first target guiding devices; Before the server determines the first position of the mobile terminal according to the installation position of the first target guiding device in the parking lot, it further includes: The server determines the signal strength of the corresponding sound wave positioning request signal received by the first target guiding device; The server determines the first position of the mobile terminal according to the installation position of the first target guiding device in the parking lot, including: The server determines the first position of the mobile terminal according to the installation position of the first target guiding device in the parking lot and the corresponding signal strength.

3. The method according to claim 1, characterized in that, After the server determines the first position of the mobile terminal according to the installation position of the first target guiding device in the parking lot and determines the second position of the parking space where the vehicle is located according to the vehicle identification information, it further includes: The server generates a target guidance route according to the first position, the second position, and a pre-stored second parking lot map, and feeds back the target guidance route to the first target guiding device; wherein, the second parking lot map is a parking lot map containing the distribution information of the at least one guiding device; The first target guiding device sends the target guidance route to the mobile terminal in a sound wave manner, and the mobile terminal updates the car-finding guidance route based on the target guidance route.

4. The method according to claim 3, characterized in that, After the mobile terminal updates the car-finding guidance route based on the target guidance route, it further includes: The server determines the traveling direction at a target guiding point on the target guidance route, and sends the traveling direction and the vehicle identification information to the second target guiding device corresponding to the target guiding point; wherein, the target guiding point is a position point on the target guidance route where a guiding device is arranged. During the process that the user performs reverse car finding based on the target guiding route, the mobile terminal plays the vehicle identification information in a sound wave manner in real time; Among the third target guiding devices that receive the vehicle identification information in the second target guiding device, the third target guiding device displays the traveling direction at the target guiding point corresponding to the third target guiding device and the vehicle identification information.

5. The method according to claim 4, wherein, after the third target guiding device that receives the vehicle identification information in the second target guiding device displays the traveling direction at the target guiding point corresponding to the third target guiding device and the vehicle identification information, it further includes: when the third target guiding device does not receive the vehicle identification information within a preset time period, the traveling direction at the target guiding point corresponding to the third target guiding device and the vehicle identification information are deleted.

6. The method according to claim 4, wherein, after the mobile terminal plays the vehicle identification information in a sound wave manner in real time, it further includes: the mobile terminal receives the sound wave response played by the third target guiding device in real time, and updates the first position according to the sound wave response; the mobile terminal updates the target guiding route based on the updated first position.

7. The method according to claim 6, wherein, the sound wave response includes the identification information of the third target guiding device; updating the first position according to the sound wave response includes: the mobile terminal determines the target guiding point corresponding to the third target guiding device based on the identification information of the third target guiding device in the sound wave response; updating the first position based on the position of the target guiding point corresponding to the third target guiding device.

8. A reverse car finding device, wherein, applied to a reverse car finding system, the reverse car finding system includes a server, a mobile terminal and at least one guiding device arranged in a parking lot; the device includes: a sound wave positioning request signal playing module, configured to, in response to the triggering of a reverse car finding event, the mobile terminal play a sound wave positioning request signal; wherein, the sound wave positioning request signal includes vehicle identification information; a vehicle identification information sending module, configured to, for the first target guiding device that receives the sound wave positioning request signal among the at least one guiding device, send the vehicle identification information in the sound wave positioning request signal to the server; a position determining module, configured to, through the server, determine the first position of the mobile terminal according to the installation position of the first target guiding device in the parking lot, and determine the second position of the vehicle according to the vehicle identification information; a car finding guiding route generating module, configured to, through the server, send the first position and the second position to the mobile terminal in a sound wave manner through the first target guiding device, and the mobile terminal generates a car finding guiding route based on the first position and the second position; wherein, the car finding guiding route is used to instruct the user to perform reverse car finding.

9. A reverse car finding system, wherein, The reverse vehicle finding system includes a server, a mobile terminal, and at least one guiding device disposed in a parking lot; wherein, the mobile terminal is configured to play a sound wave positioning request signal in response to the triggering of a reverse vehicle finding event; wherein, the vehicle identification information is included in the sound wave positioning request signal; a first target guiding device that receives the sound wave positioning request signal among the at least one guiding device sends the vehicle identification information in the sound wave positioning request signal to the server; the server is configured to determine a first position of the mobile terminal according to the installation position of the first target guiding device in the parking lot, and determine a second position of the parking space where the vehicle is located according to the vehicle identification information; the server is further configured to send the first position and the second position to the mobile terminal in a sound wave manner through the first target guiding device; the mobile terminal is further configured to generate a vehicle finding guidance route based on the first position and the second position; wherein, the vehicle finding guidance route is used to instruct the user to perform reverse vehicle finding.

10. A computer-readable storage medium, characterized in that, the computer-readable storage medium stores computer instructions, and the computer instructions are used to cause a processor to implement the reverse vehicle finding method according to any one of claims 1-7 when executed.

Images