CN111785007A - Method, device and electronic device for returning a car - Google Patents

Abstract

The application provides a returning indication method, a returning indication device and electronic equipment, wherein the returning indication method comprises the following steps: receiving an instruction which is sent by the terminal equipment and used for determining the parking direction of the vehicle; responding to the instruction, and acquiring the current position information of the vehicle; acquiring a target returning direction corresponding to the position information based on the position information; generating a virtual map containing the target car returning direction and the position information based on the target car returning direction and the position information; and sending the virtual map to the terminal equipment for displaying so that the user can return the car based on the target car returning direction in the virtual map. Through generating the virtual map containing the direction of returning the car of the target and the position information, and sending the virtual map to the terminal equipment for displaying, so that the user correctly returns the car based on the direction of returning the car of the target in the virtual map, a regional pattern of returning the car or installation spikes do not need to be drawn at a point of returning the car, the cost is saved, and the user can more intuitively know the direction of returning the car, and the user experience is improved.

Description

Method, device and electronic device for returning a car

technical field

The present application relates to the field of Internet technologies, and in particular, to a method, device and electronic device for returning a car.

Background technique

With the development of Internet technology, in order to facilitate the travel of urban citizens, shared bicycles came into being. However, because the borrower does not know how to park the car, it is a relatively standard way to return the car. Therefore, the current problem of vehicle littering has greatly affected the appearance of urban roads and cities.

In the existing vehicle return indication technology, it is usually used to draw a return area pattern or install a road stud at the return point to instruct the user how to park. However, installing road studs or drawing a return area pattern requires extra costs. In the case of many return points, the cost will be very high, and the installation of road studs needs to be approved by the relevant departments, the procedure is complicated, and the maintenance of road studs is also quite costly.

SUMMARY OF THE INVENTION

In view of this, the purpose of the embodiments of the present application is to provide a method, device and electronic device for returning a car, instructing the user to return the car in a standard manner at a lower cost, which not only saves the cost, but also improves the user's experience of returning the car.

In a first aspect, an embodiment of the present application provides a method for instructing a vehicle to return. The method includes: receiving an instruction sent by a terminal device to determine a parking direction for a vehicle; responding to the instruction, acquiring information about the current location of the vehicle; For the location information, obtain the target return direction corresponding to the location information; based on the target return direction and the location information, generate a virtual map including the target return direction and the location information; The virtual map is sent to the terminal device for display, so that the user returns the car based on the target return direction in the virtual map.

In the above implementation process, the corresponding target return direction is determined based on the current location information of the vehicle, a virtual map including the target return direction and the location information is generated, and the virtual map is sent to the The terminal device is displayed, so that the user can correctly return the car based on the target return direction in the virtual map, and the user can instruct the user to return the car without drawing a return area pattern at the return point or installing road studs, which not only saves costs, but also Moreover, the user can intuitively know the direction of returning the car through the virtual map, thereby improving the user's returning experience.

Based on the first aspect, in a possible design, the obtaining, based on the location information, the target return direction corresponding to the location information includes: based on the location information, from a pre-stored return area Find out the target return area where the location information is located; based on the target return area, find out the target corresponding to the target return area from the pre-stored correspondence between the return area and the return direction Return direction.

In the above implementation process, by pre-storing the corresponding relationship between the return area and the return direction, after determining the target return area where the location information is located, the vehicle can be quickly searched from the corresponding relationship. The target return direction corresponding to the target return area.

Based on the first aspect, in a possible design, before the target vehicle return area where the location information is located is found from the pre-stored vehicle return area based on the location information, the method further includes : Obtain the position coordinates of multiple return areas, wherein each return area takes a point on the edge of the road as a starting point, and determines an end point at a preset length along the road extending direction from the starting point, and uses the starting point to determine an end point. The line connecting with the end point is demarcated as the side of the return area; the obtained position coordinates are stored as the pre-stored return area.

In the above implementation process, by determining the virtual vehicle return area based on the road edge, vehicle parking can be regulated.

Based on the first aspect, in a possible design, after storing the obtained position coordinates as the pre-stored return area, the method further includes: for each return area, determining The direction in which the angle between the exit and the connection line is equal to the preset angle is used as the return direction of the vehicle return area; wherein, the return direction is used to instruct the user to turn the front of the vehicle toward the vehicle when the user returns the vehicle Park in the lane beside the road; establish the corresponding relationship between the return area and the return direction.

In the above implementation process, in this way, the vehicle can be returned according to the drawn virtual return direction, and the return direction can be standardized, which is conducive to improving the appearance of the city.

Based on the first aspect, in a possible design, for each of the vehicle return areas, determine a direction with an included angle equal to a preset angle with the connecting line, as the direction of the return area. The direction of returning the car includes: for each of the car returning areas, determining the vector of the connecting line according to the coordinates of the starting point and the ending point of the connecting line; determining the difference between the vector of the connecting line and the direction vector in the north latitude direction The first included angle between the first included angle and the vector in the north latitude direction is determined as the direction of the difference between the first included angle and the preset angle, as the return direction of the vehicle return area.

In the above implementation process, the return direction can be determined more accurately by determining the return direction based on the direction vector in the north latitude direction.

Based on the first aspect, in a possible design, the obtaining the position coordinates of the plurality of vehicle return areas includes: for each of the vehicle return areas, obtaining the initial coordinates of the vehicle return area; For the error corresponding to the latitude and longitude of the return area, the initial coordinates are corrected to obtain the position coordinates of the return area.

In the above implementation process, in this way, the return direction of each vehicle return area can be more accurately determined.

Based on the first aspect, in a possible design, the acquiring a target return direction corresponding to the location information based on the location information includes: based on the location information, in a pre-stored return area When the return area where the location information is located is not found, multiple return areas with a distance from the location information less than a preset distance are determined; based on the multiple return areas, the corresponding return areas are determined. Target return direction.

In the above implementation process, when the return area where the location information is located is not found in the pre-stored return area, the location information is determined by a plurality of return areas whose distances from the location information are less than the preset distance. Then, when the user's vehicle is not in the return area, a reasonable return direction can be planned for the user to improve the user experience.

Based on the first aspect, in a possible design, the determining the corresponding target vehicle return direction based on the multiple vehicle return areas includes: returning the vehicle for each of the multiple vehicle return areas car area, extend the car return area along the left and right sides to obtain an extended area; determine the car return area corresponding to the extended area where the location information is located; From the correspondence between the area and the return direction, find out the target return direction corresponding to the corresponding area.

In the above implementation process, if the location information is not in a pre-stored return area, usually, if the location information is in an extension area of a return area, the return direction of the return area can be used as the return direction. Therefore, through the above method, even when the location information is not in the pre-stored return area, the target return direction can be accurately determined for the user to ensure beautiful parking in the city.

Based on the first aspect, in a possible design, based on the corresponding return area, find out the corresponding area from the pre-stored correspondence between the return area and the target return direction. The target return direction includes: when the number of the corresponding return areas is at least two, determining the return vehicle closest to the location information from at least two of the corresponding return areas area; based on the closest return area, from the pre-stored correspondence between the return area and the return direction, find out the target return direction corresponding to the closest return area.

In the above implementation process, when the current location information is in the extension area of at least two return areas, generally the road characteristics of the return area closest to the location information and the road where the current location information is located The characteristics are similar. Therefore, taking the return direction of the return area closest to the location information as the target return direction, the user can be instructed to return the vehicle in a more standardized manner.

In a second aspect, an embodiment of the present application provides a vehicle return instructing device, the device includes: an instruction receiving unit for receiving an instruction sent by a terminal device to determine a parking direction for the vehicle; an instruction response unit for responding to the instruction , to obtain the current position information of the vehicle; the return direction acquisition unit is used to obtain the target return direction corresponding to the position information based on the position information; the generation unit is used to obtain the target return direction based on the target return direction and the location information to generate a virtual map including the target return direction and the location information; a sending unit, configured to send the virtual map to the terminal device for display, so that the user can Return the vehicle in the target return direction.

Based on the second aspect, in a possible design, the return direction acquiring unit is specifically configured to, based on the location information, find out the target return vehicle where the location information is located from the pre-stored return area. area; and based on the target vehicle return area, from the pre-stored correspondence between the vehicle return area and the vehicle return direction, find out the target vehicle return direction corresponding to the target vehicle return area.

Based on the second aspect, in a possible design, the device further includes: a position coordinate obtaining unit, configured to obtain the position coordinates of multiple return areas, wherein each return area is determined by the road edge A point is used as a starting point, an end point is determined from the starting point at a predetermined length along the extending direction of the road, and a line connecting the starting point and the end point is used as the side of the return area for delineation; the storage unit is used for The obtained position coordinates are stored as the pre-stored return area.

Based on the second aspect, in a possible design, the device further includes: a establishing unit, including: a returning direction determining unit, configured to determine, for each returning area, the distance between the vehicle and the connecting line The direction whose included angle is equal to the preset angle is used as the return direction of the return area; wherein, the return direction is used to instruct the user to park the front of the vehicle toward the lane beside the road when the user returns the vehicle; A subunit is established for establishing a corresponding relationship between the return area and the return direction.

Based on the second aspect, in a possible design, the returning vehicle direction determining unit is specifically configured to, for each of the vehicle returning areas, determine the connecting line according to the coordinates of the starting point and the ending point of the connecting line. the vector of the line; and determine the first included angle between the vector of the connecting line and the direction vector in the north latitude direction; determine the included angle with the direction vector in the north latitude direction as the first included angle and the The direction of the difference value of the preset angle is used as the return direction of the vehicle return area.

Based on the second aspect, in a possible design, the position coordinate obtaining unit is specifically configured to obtain the initial coordinates of the return area for each of the return areas; The error corresponding to the latitude and longitude of the area is corrected, and the initial coordinates are corrected to obtain the position coordinates of the return area.

Based on the second aspect, in a possible design, the return direction acquiring unit includes: a return area determination unit, configured to, based on the location information, find the return area that is not found in the pre-stored return area. When the location information is located in the return area, multiple return areas whose distances from the location information are less than the preset distance are determined; the return direction determination subunit is used to determine the return area based on the multiple return areas. The corresponding target return direction.

Based on the second aspect, in a possible design, the return direction determining subunit includes: an extension unit, configured to, for each return area in the plurality of return areas, select the return area for the return area. Extending along the left and right sides to obtain an extended area; the return area determination subunit is used to determine the return area corresponding to the extended area where the location information is located; the search unit is used to, based on the corresponding return area, The target return direction corresponding to the corresponding area is searched out from the pre-stored correspondence between the return area and the target return direction.

Based on the second aspect, in a possible design, the search unit is specifically configured to determine from at least two of the corresponding vehicle return areas when the number of the corresponding vehicle return areas is at least two Finding the return area closest to the location information; and based on the closest return area, from the pre-stored correspondence between the return area and the target return direction, find out the area closest to the distance Corresponding to the target return direction.

In a third aspect, embodiments of the present application provide an electronic device, including a processor and a memory connected to the processor, where a computer program is stored in the memory, and when the computer program is executed by the processor, all The electronic device executes the method of the first aspect.

In a fourth aspect, an embodiment of the present application provides a storage medium, where a computer program is stored in the storage medium, and when the computer program runs on a computer, the computer is made to execute the method of the first aspect.

Other features and advantages of the present application will be set forth in the description which follows, and, in part, will be apparent from the description, or may be learned by practice of the embodiments of the present application. The objectives and other advantages of the application may be realized and attained by the structure particularly pointed out in the written description, claims, and drawings.

Description of drawings

In order to illustrate the technical solutions of the embodiments of the present application more clearly, the following drawings will briefly introduce the drawings that need to be used in the embodiments. It should be understood that the following drawings only show some embodiments of the present application, and therefore do not It should be regarded as a limitation of the scope, and for those of ordinary skill in the art, other related drawings can also be obtained according to these drawings without any creative effort.

FIG. 1 is a schematic flowchart of a method for instructing a car to return according to an embodiment of the present application.

FIG. 2 is a schematic diagram of a vehicle returning area provided in the implementation of this application.

FIG. 3 is a schematic diagram of another vehicle return area provided in the implementation of this application.

FIG. 4 is a schematic diagram of the return direction provided in the implementation of the present application.

FIG. 5 is a schematic structural diagram of a vehicle return indication device provided by an embodiment of the present application.

FIG. 6 is a schematic structural diagram of an electronic device provided by an embodiment of the present application.

Icons: 500-returning indicating device; 510-instruction receiving unit; 520-instruction response unit; 530-returning direction obtaining unit; 540-generating unit; 550-sending unit; 600-electronic equipment; 601-processor; 602 - memory; 603 - communication interface.

Detailed ways

The technical solutions in the embodiments of the present application will be described below with reference to the accompanying drawings in the embodiments of the present application.

It should be noted that like numerals and letters refer to like items in the following figures, so once an item is defined in one figure, it does not require further definition and explanation in subsequent figures. Meanwhile, in the description of the present application, the terms "first", "second", etc. are only used to distinguish the description, and cannot be understood as indicating or implying relative importance.

Please refer to FIG. 1. FIG. 1 is a flowchart of a method for instructing a vehicle to return according to an embodiment of the application. The following will describe the process shown in FIG. 1 in detail. The method includes steps: S11, S12, S13, and S14 and S15.

S11: Receive an instruction sent by the terminal device to determine the parking direction for the vehicle.

S12: Acquire current location information of the vehicle in response to the instruction.

S13: Based on the location information, obtain a target return direction corresponding to the location information.

S14: Based on the target returning direction and the location information, generate a virtual map including the target returning direction and the location information.

S15: Send the virtual map to the terminal device for display, so that the user returns the car based on the target return direction in the virtual map.

The above method will be described in detail below.

S11: Receive an instruction sent by the terminal device to determine the return direction for the vehicle.

The terminal device may be a smart device such as a mobile phone, the vehicle may be a shared vehicle, a private vehicle, or the like, and the vehicle may be a motor vehicle or a non-motor vehicle.

Wherein, a positioning module and a communication module may be pre-installed on the vehicle, and the positioning module and the communication module are connected.

When the vehicle is a shared vehicle, a smart lock is also installed on the vehicle, and the smart lock is connected to the communication module. When the smart lock is in a locked state, the vehicle cannot be driven; When the vehicle is in an unlocked state, the vehicle can travel.

In the actual implementation process, after the user correctly enters the login account and password through the terminal device in the application program or webpage that can determine the return direction for the user, the user can scan the identification code (for example, the identification code of the vehicle identity) on the vehicle. , one-dimensional code, two-dimensional code, applet code, etc.), wherein, the identification code carries a unique identifier that characterizes the identity of the vehicle, so as to generate and send an instruction that needs to determine the return direction for the vehicle to the server , the server receives the instruction, wherein the instruction may include: the IP address of the terminal device, and the request may further include: the identification code and/or the login account and the current status of the terminal device location information;

As an implementation manner, after the user correctly inputs the login account and password through the terminal device in the application program or webpage that can determine the return direction for the user, the user enters the vehicle's license plate through the license plate number input option of the application program or the webpage. number, after selecting the option indicating that the return direction needs to be determined for the vehicle, the terminal device generates and sends an instruction indicating that the return direction needs to be determined for the vehicle to the server, and the server receives the instruction, wherein the instruction can be It includes: an Internet Protocol (IP) address for interconnection between networks of the terminal device, and the request may further include: the license plate number of the vehicle and/or the current location information of the terminal device.

The location information may be represented by two-dimensional coordinates, or by latitude and longitude.

After receiving the instruction, the server executes step S12.

S12: Acquire current location information of the vehicle in response to the instruction.

In response to the instruction, when the instruction includes the current location information of the terminal device and the IP address of the terminal device, extracting the current location information of the terminal device and the terminal device from the instruction The IP address of the device. In this embodiment of the present application, the current location information of the terminal device may be determined as the current location information of the vehicle, and then the current location information of the vehicle is obtained.

As an embodiment, when the instruction includes the license plate number of the vehicle, the license plate number of the vehicle is extracted from the instruction, and based on the license plate number of the vehicle, the license plate number stored in advance and In the correspondence between the IP addresses of the communication modules, find out the IP address of the communication module corresponding to the license plate number of the vehicle, and then establish a communication connection with the communication module of the vehicle based on the IP address of the corresponding communication module. After the communication connection is established, the server obtains the current location information of the vehicle through the positioning module on the vehicle.

As an implementation manner, when the instruction includes the identification code of the vehicle, the instruction includes the license plate number of the vehicle, and therefore, it is not repeated here.

After acquiring the current location information of the vehicle, step S13 is performed.

S13: Based on the location information, obtain a target return direction corresponding to the location information.

As an embodiment, S13 includes steps: A1 and A2.

A1: Based on the location information, find out the target return area where the location information is located from the pre-stored return areas.

After the location information is acquired, the location information is compared with multiple pre-stored return areas one by one, and when it is determined that the location is within one return area among the multiple return areas , and determine that the return area is the target return area where the location information is located.

After the target vehicle return area is determined, step A2 is performed.

A2: Based on the target vehicle return area, find out the target vehicle return direction corresponding to the target vehicle return area from the pre-stored correspondence between the vehicle return area and the vehicle return direction.

Among them, it is worth mentioning that each return area corresponds to a return direction, and the return directions corresponding to different return areas may be the same or different.

As an implementation manner, before step A1, the method further includes: A11 and A12.

A11: Acquire the position coordinates of a plurality of vehicle return areas, wherein each of the vehicle return areas respectively takes a point on the edge of the road as a starting point, and determines an end point spaced from the starting point along the extending direction of the road by a preset length, and uses the The line connecting the starting point and the ending point is defined as the side edge of the vehicle return area.

The preset length is set according to actual requirements. In the embodiment of the present application, the preset length is 2m, and in other embodiments, the preset length may be 3m, 1m, or the like.

When drawing a return area, a point on the edge of the road is selected as the starting point on the virtual electronic map, and based on the preset length, an end point is determined along the extending direction of the road from left to right or from right to left, wherein the said The distance between the starting point and the ending point is equal to the preset length, and the line connecting the starting point and the ending point is used as the side of the return area. It can be understood that the connecting line parallel to the road.

Wherein, for each return area, position coordinates representing the location and outline of the return area are obtained, wherein the location coordinates of the return area may include coordinates of each vertex of the return area.

Please refer to FIG. 2 , if the return area is a rectangle, the line connecting the coordinates of the starting point and the coordinates of the end point is used as the long side of the return area, and the preset width is used as the short side of the return area. side, draw a rectangle-shaped drop-off area.

Please refer to FIG. 3 , as an embodiment, if the return area is a trapezoid, the line connecting the coordinates of the starting point and the end point is used as the long side or the short side of the return area, and the line connecting the coordinates of the starting point and the ending point is used as the long side or the short side of the return area, Starting from the starting point, a first point is selected along the side opposite to the lane on the side of the road, so that the length of the connecting line between the starting point and the first point is equal to the first preset length, wherein the The line connecting the first point and the starting point serves as the waist of the rectangle, and starting from the ending point, a second point is selected along the side opposite to the lane at the side of the road, so that the ending point and all the The length of the line connecting the second point is equal to the first preset length, wherein the line connecting the second point and the end point is used as the waist of the rectangle. One point, the second point and the end point are connected to obtain a trapezoidal return area.

Wherein, in other embodiments, the shape of the vehicle returning area can also be other, which can be set according to actual needs.

As an embodiment, A11 includes steps: A111 and A112.

A111: For each of the vehicle return areas, obtain the initial coordinates of the vehicle return area.

Use GPS or other positioning equipment to obtain the initial coordinates of the multiple points representing the position and outline of the vehicle return area in a pre-established two-dimensional coordinate system.

In other embodiments, the initial coordinates may also be three-dimensional coordinates.

A112: Based on a predetermined error corresponding to the latitude and longitude of the return area, correct the initial coordinates to obtain the position coordinates of the return area.

Since the distance between the position of the vehicle returning area and the multiple points of the outline is very close, GPS or other positioning equipment can be used to obtain the latitude and longitude of any point in the multiple points to determine the positioning error, based on The longitude and latitude of the location, from the pre-stored correspondence between the longitude and latitude and the error, find out the error corresponding to the longitude and latitude of the location, and use the corresponding error to correct the initial coordinates of the return area respectively. to get the location coordinates of the return area.

As an embodiment, the position coordinates of each return area in step A11 may be the initial coordinates of the return area obtained by using step A111.

A12: Store the acquired position coordinates as the pre-stored return area.

As an embodiment, after A12, the method further includes: A14 and A15.

A14: For each of the vehicle return areas, determine a direction with an included angle equal to a preset angle with the connection line, as the return direction of the vehicle return area; wherein, the return direction is used for When the user returns the vehicle, the user is instructed to park the vehicle with the front of the vehicle facing the lane beside the road.

Referring to FIG. 4 , it is determined along the preset direction that the angle between the connecting line and the connecting line is equal to the preset angle as the return direction of the vehicle return area; wherein, the preset direction is set according to actual needs. Certainly.

Wherein, in the embodiment of the present application, the preset angle may be 90 degrees, and in other embodiments, it may be 85 degrees or 80 degrees, and the value of the preset angle is set according to actual requirements.

As an implementation manner, step A41 includes: for each of the vehicle return areas, determining the vector of the connection line according to the coordinates of the start point and the end point of the connection line; determining the vector of the connection line and the north latitude direction The first included angle between the direction vectors of return direction.

For each return area, determine the vector of the connection according to the coordinates of the starting point and the end point of the connection; take the start point or the end point as the end point, and go out the direction of the north latitude along the north latitude direction vector, use the cosine formula to determine the first angle between the connecting line and the direction vector in the north latitude direction, determine the difference between the first angle and the preset angle, and then determine the difference between the first angle and the preset angle. The included angle between the direction vectors in the north latitude direction is the direction of the difference, which is used as the return direction of the vehicle return area.

After the return direction of the vehicle return area is determined, step A15 is performed.

A15: Establish a corresponding relationship between the return area and the return direction.

The return directions corresponding to different return areas may be the same or different.

As an embodiment, S13 includes steps: B1 and B2.

B1: Based on the location information, when the return area where the location information is located is not found in the pre-stored return area, determine multiple return areas with a distance from the location information less than a preset distance .

After the location information is acquired, the location information is compared with multiple pre-stored return areas one by one, and after it is determined that the location is not in any one of the multiple return areas It indicates that the return area where the location information is located is not found in the pre-stored return area. At this time, for each return area in the multiple return areas, the center of the return area is determined. The distance from the location information is determined, and whether the distance is less than the preset distance is determined, and then a plurality of return areas whose distances from the location information are less than the preset distance are determined.

Wherein, the preset distance is set according to actual needs, wherein, the larger the preset distance is, the larger the number of the plurality of vehicle return areas is, and vice versa, the number of the multiple vehicle return areas is also relatively large. The less, in this embodiment of the present application, the preset distance may be 1m, and in other embodiments, the preset distance may be 2m, 3m, and the like.

B2: Determine the corresponding target return direction based on the multiple return areas.

As an embodiment, B2 includes steps: B21, B22 and B23.

B21: For each return area in the plurality of vehicle return areas, extend the vehicle return area along the left and right sides to obtain an extended area.

B22: Determine the return area corresponding to the extension area where the location information is located.

It can be understood that, for each return area, after obtaining the extended area, it is determined whether the position is located in the extended area, and if it is determined that the location is located in the extended area, the located extension is obtained. The return area corresponding to the area.

B23: Based on the corresponding return area, find out the target return direction corresponding to the corresponding area from the pre-stored correspondence between the return area and the return direction.

When the number of the corresponding return areas is one, the target return direction corresponding to the corresponding area is searched out from the pre-stored correspondence between the return area and the return direction.

As an embodiment, B23 includes: B231 and B232.

B231: When the number of the corresponding vehicle return areas is at least two, determine the vehicle return area that is closest to the location information from the at least two corresponding vehicle return areas.

B232: Based on the closest vehicle return area, from the pre-stored correspondence between the vehicle return area and the vehicle return direction, find out the target vehicle return direction corresponding to the closest vehicle return area.

As an implementation manner, B23 may be implemented in the following manner: when the number of the corresponding vehicle return areas is at least two, a vehicle return area is randomly determined from the at least two corresponding vehicle return areas, And from the pre-stored correspondence between the return area and the return direction, find out the target return direction corresponding to the return area.

As an implementation manner, after B21, the method further includes: when it is determined that the location information is not within an extension area of any one of the plurality of return areas, selecting from the plurality of return areas. Determine the return area closest to the location information in the vehicle area, and based on the closest return area, find out the distance from the pre-stored correspondence between the return area and the return direction. The target return direction corresponding to the nearest return area.

S14: Based on the target returning direction and the location information, generate a virtual map including the target returning direction and the location information.

It can be understood that the target return direction is marked at the location on the virtual map.

Based on the position information, a circle is determined with the position as the center and the preset value as the radius, with the position as the center and the preset value as the radius, and then the range of the road section where the vehicle is located is determined. The range of the road section and the target return direction, and a virtual map including the target return direction and the range of the road section is generated.

As an implementation manner, a rectangle with a preset size may also be determined by taking the position as the center, and then the range of the road section where the vehicle is located is determined, and based on the range of the road section and the target return direction, A virtual map including the target return direction and the range of the road segment is generated.

As an embodiment, when the vehicle is located in a return area, based on the target return direction, the location information and the return area, generate a method including the target return direction and the return area. A virtual map of the area and the location information.

It can be understood that the virtual map is marked with the return area and the target return direction.

S15: Send the virtual map to the terminal device for display, so that the user returns the car based on the target return direction in the virtual map.

It can be understood that the user can return the car according to the target return direction displayed on the virtual map.

Please refer to FIG. 5 , which is a structural block diagram of a vehicle return instructing device 500 provided by an embodiment of the present application. The structural block diagram shown in FIG. 5 will be described below, and the shown device includes:

The instruction receiving unit 510 is configured to receive an instruction sent by the terminal device to determine the parking direction for the vehicle.

The instruction response unit 520 is configured to acquire the current location information of the vehicle in response to the instruction.

The returning direction obtaining unit 530 is configured to obtain, based on the location information, a target returning direction corresponding to the location information.

The generating unit 540 is configured to generate, based on the target returning direction and the position information, a virtual map including the target returning direction and the position information.

The sending unit 550 is configured to send the virtual map to the terminal device for display, so that the user can return the car based on the target return direction in the virtual map.

As an embodiment, the return direction obtaining unit 530 is specifically configured to, based on the location information, find out the target return area where the location information is located from the pre-stored return areas; and based on the location information In the target vehicle return area, the target vehicle return direction corresponding to the target vehicle return area is searched out from the pre-stored correspondence between the vehicle return area and the vehicle return direction.

As an embodiment, the device further includes: a position coordinate obtaining unit, configured to obtain the position coordinates of multiple return areas, wherein each return area takes a point on the edge of the road as a starting point, and starts from the The starting point is spaced along the extending direction of the road to determine an ending point, and the line connecting the starting point and the ending point is used as the side edge of the return area; stored as the pre-stored return area.

As an embodiment, the device further includes: a establishing unit, including: a returning direction determining unit, configured to determine, for each returning area, that the included angle with the connecting line is equal to a preset angle The direction of the vehicle is used as the return direction of the vehicle return area; wherein, the return direction is used to instruct the user to park the front of the vehicle towards the lane beside the road when the user returns the vehicle; the establishment subunit is used to establish a The correspondence between the returning area and the returning direction.

As an embodiment, the returning direction determining unit is specifically configured to, for each returning area, determine the vector of the connecting line according to the coordinates of the starting point and the ending point of the connecting line; the first included angle between the vector of the connecting line and the direction vector in the north latitude direction; determine the included angle with the direction vector in the north latitude direction as the difference between the first included angle and the preset angle direction, as the return direction of the vehicle return area.

As an embodiment, the position coordinate obtaining unit is specifically configured to obtain the initial coordinates of the return area for each return area; and based on a predetermined error corresponding to the latitude and longitude of the return area , and correct the initial coordinates to obtain the position coordinates of the return area.

As an implementation manner, the return direction obtaining unit 530 includes: a return area determination unit, configured to, based on the location information, find out the return area where the location information is not located in the pre-stored return area. When the vehicle returns to the vehicle area, multiple return areas whose distances from the location information are less than the preset distance are determined; the return direction determination subunit is configured to determine the corresponding target return area based on the multiple return areas. car direction.

As an embodiment, the return direction determination subunit includes: an extension unit configured to, for each return area in the plurality of return areas, extend the return area along the left and right sides, Obtaining the extension area; the return area determination subunit is used to determine the return area corresponding to the extension area where the location information is located; the search unit is used to select the return area from the pre-stored return area based on the corresponding return area In the corresponding relationship with the target return direction, the target return direction corresponding to the corresponding area is found.

As an embodiment, the searching unit is specifically configured to determine the distance to the location information from at least two of the corresponding return areas when the number of the corresponding return areas is at least two The nearest car return area; and based on the nearest car return area, from the pre-stored correspondence between the car return area and the target return direction, find out the target car return corresponding to the nearest area direction.

For the process of implementing the respective functions of each functional unit in this embodiment, please refer to the content described in the above-mentioned embodiments shown in FIGS. 1-4 , and details are not repeated here.

Referring to FIG. 6 , an embodiment of the present application provides a schematic structural diagram of an electronic device 600 . The electronic device 600 may be the server in the foregoing embodiment, and the electronic device 600 may be a personal computer (PC), a tablet computer, and a smart phone. , personal digital assistant (personal digital assistant, PDA) and so on.

The electronic device 600 may include: a memory 602, a processing 601, a communication interface 603, and a communication bus for enabling connection and communication of these components.

The memory 602 is used to store various data such as calculation program instructions corresponding to the vehicle return instruction method and device provided in the embodiments of the present application, wherein the memory 602 may be, but is not limited to, a random access memory (Random Access Memory, RAM). , Read Only Memory (ROM), Programmable Read-Only Memory (PROM), Erasable Programmable Read-Only Memory (EPROM), Electrically Erasable Read-Only Memory ( Electric Erasable Programmable Read-OnlyMemory, EEPROM) etc.

The processor 601 is configured to read and run the computer program instructions corresponding to the method and device for returning a vehicle stored in the memory, so as to receive the instruction sent by the terminal device to determine the return direction for the vehicle; in response to the instruction, obtain the vehicle The current location information; based on the location information, obtain the target return direction corresponding to the location information; based on the target return direction and the location information, generate the target return direction and the location A virtual map of information; sending the virtual map to the terminal device for display, so that the user can return the car based on the target return direction in the virtual map.

The processor 601 may be an integrated circuit chip with signal processing capability. The above-mentioned processor 601 may be a general-purpose processor, including a central processing unit (CPU), a network processor (NP), etc.; it may also be a digital signal processor (DSP), an application-specific integrated circuit (ASIC). ), field programmable gate array (FPGA) or other programmable logic devices, discrete gate or transistor logic devices, discrete hardware components. The methods, steps, and logic block diagrams disclosed in the embodiments of this application can be implemented or executed. A general purpose processor may be a microprocessor or the processor may be any conventional processor or the like.

The communication interface 603 is used for receiving or sending data.

In addition, an embodiment of the present application also provides a storage medium, where a computer program is stored in the storage medium, and when the computer program is run on a computer, the computer is made to execute the method provided by any embodiment of the present application. method.

To sum up, the method, device, and electronic device for returning a car proposed by various embodiments of the present application determine the corresponding target returning direction based on the current location information of the vehicle, and generate a corresponding target returning direction including the target returning direction and the position. information, and send the virtual map to the terminal device for display, so that the user can return the car correctly based on the target return direction in the virtual map, without drawing the return area at the return point The pattern or the installation of road studs can instruct the user to return the car, which not only saves costs, but also allows the user to intuitively understand the return direction through the virtual map, thereby improving the user's return experience.

In the embodiments provided in this application, it should be understood that the disclosed apparatus and method may also be implemented in other manners. The apparatus embodiments described above are merely illustrative, for example, the flowcharts and block diagrams in the accompanying drawings illustrate the architectures, functions and possible implementations of apparatuses, methods and computer program products according to various embodiments of the present application. operate. In this regard, each block in the flowchart or block diagrams may represent a module, segment, or portion of code that contains one or more functions for implementing the specified logical function(s) executable instructions. It should also be noted that, in some alternative implementations, the functions noted in the block may occur out of the order noted in the figures. For example, two blocks in succession may, in fact, be executed substantially concurrently, or the blocks may sometimes be executed in the reverse order, depending upon the functionality involved. It is also noted that each block of the block diagrams and/or flowchart illustrations, and combinations of blocks in the block diagrams and/or flowchart illustrations, can be implemented by dedicated hardware-based apparatus for performing the specified functions or actions , or can be implemented in a combination of dedicated hardware and computer instructions.

In addition, each functional module in each embodiment of the present application may be integrated together to form an independent part, or each module may exist independently, or two or more modules may be integrated to form an independent part.

Claims (11)

1. A car returning indication method is characterized by comprising the following steps:

receiving an instruction which is sent by the terminal equipment and used for determining the vehicle returning direction for the vehicle;

responding to the instruction, and acquiring the current position information of the vehicle;

acquiring a target returning direction corresponding to the position information based on the position information;

generating a virtual map containing the target car returning direction and the position information based on the target car returning direction and the position information;

and sending the virtual map to the terminal equipment for displaying so that the user can return the car based on the target car returning direction in the virtual map.

2. The method of claim 1, wherein the obtaining of the target returning direction corresponding to the position information based on the position information comprises:

based on the position information, searching a target car returning area where the position information is located from pre-stored car returning areas;

and based on the target car returning area, searching out the target car returning direction corresponding to the target car returning area from the pre-stored corresponding relation between the car returning area and the car returning direction.

3. The method of claim 2, wherein before the finding of the target returning area where the location information is located from the pre-stored returning areas based on the location information, the method further comprises:

obtaining position coordinates of a plurality of car returning areas, wherein each car returning area respectively takes one point of a road edge as a starting point, determines an end point at intervals of a preset length along the extending direction of a road from the starting point, and uses a connecting line of the starting point and the end point as the side edge of the car returning area for demarcation;

and storing the acquired position coordinates as the pre-stored returning area.

4. The method of claim 3, wherein after said storing the acquired location coordinates as said pre-stored carriage return area, the method further comprises:

determining a direction with an included angle equal to a preset angle with the connecting line for each returning area, and taking the direction as the returning direction of the returning area; the vehicle returning direction is used for indicating a user to park the head of the vehicle towards the lane on the roadside of the horse when the user returns the vehicle;

and establishing a corresponding relation between the car returning area and the car returning direction.

5. The method according to claim 4, wherein the determining, for each returning area, a direction with an included angle equal to a preset angle with the connecting line as the returning direction of the returning area comprises:

determining the vector of the connecting line according to the coordinates of the starting point and the ending point of the connecting line aiming at each returning area;

determining a first included angle between the vector of the connecting line and the direction vector of the north latitude direction;

and determining the direction of the difference value between the first included angle and the preset angle as the included angle between the direction vector of the northern latitude direction and the direction vector of the northern latitude direction, and taking the included angle as the returning direction of the returning area.

6. The method of claim 3, wherein said obtaining location coordinates of a plurality of carriage return zones comprises:

aiming at each car returning area, acquiring an initial coordinate of the car returning area;

and correcting the initial coordinate based on a predetermined error corresponding to the longitude and latitude of the car returning area to obtain the position coordinate of the car returning area.

7. The method of claim 1, wherein the obtaining of the target returning direction corresponding to the position information based on the position information comprises:

determining a plurality of car returning areas with the distance from the position information smaller than a preset distance when the car returning area where the position information is located is not found out in the pre-stored car returning areas based on the position information;

and determining the corresponding target car returning direction based on the plurality of car returning areas.

8. The method of claim 7, wherein determining the corresponding target carriage return direction based on the plurality of carriage return regions comprises:

aiming at each returning area in the returning areas, extending the returning area along the left side and the right side to obtain an extending area;

determining a car returning area corresponding to the extension area where the position information is located;

and based on the corresponding car returning area, searching out the target car returning direction corresponding to the corresponding area from the pre-stored corresponding relation between the car returning area and the car returning direction.

9. The method of claim 8, wherein the finding of the target returning direction corresponding to the corresponding area from the pre-stored correspondence between the returning area and the returning direction based on the corresponding returning area comprises:

when the number of the corresponding car returning areas is at least two, determining the car returning area closest to the position information from the at least two corresponding car returning areas;

and based on the car returning area with the closest distance, searching out the target car returning direction corresponding to the car returning area with the closest distance from the pre-stored corresponding relation between the car returning area and the car returning direction.

10. A carriage return indication device, the device comprising:

the instruction receiving unit is used for receiving an instruction which is sent by the terminal equipment and used for determining the parking direction for the vehicle;

the instruction response unit is used for responding to the instruction and acquiring the current position information of the vehicle;

the vehicle returning direction acquiring unit is used for acquiring a target vehicle returning direction corresponding to the position information based on the position information;

the generating unit is used for generating a virtual map containing the target car returning direction and the position information based on the target car returning direction and the position information;

and the sending unit is used for sending the virtual map to the terminal equipment for displaying so that a user can return the car based on the target car returning direction in the virtual map.

11. An electronic device comprising a memory and a processor, the memory having stored therein computer program instructions that, when read and executed by the processor, perform the method of any of claims 1-9.

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