WO2014177114A1

WO2014177114A1 - Automobile positioning method and equipment for same

Info

Publication number: WO2014177114A1
Application number: PCT/CN2014/079794
Authority: WO
Inventors: 姚春波; 孙枕戈; 刘俊强; 田锋; 赵勇
Original assignee: 中兴通讯股份有限公司
Priority date: 2013-09-27
Filing date: 2014-06-12
Publication date: 2014-11-06
Also published as: CN104516359A

Abstract

The present invention discloses an automobile positioning method and equipment for same, and is applicable in automobiles having an on-board coil, wherein the surface of the on-board coil is provided with an image acquisition device, and the cabin of the automobile is provided with an image display device, said method comprising: when a positioning request is received, causing the image acquisition device to begin acquiring image information; the image acquisition device beginning to process the acquired image information and obtaining a positioning image; the image display device displaying the positioning image.

Description

Automobile positioning method and device

The invention relates to automotive electronic technology, and in particular to a vehicle positioning method and device. Background technique

Wireless charging is a method of charging a battery by electromagnetic current to charge a battery. This wireless charging method can be applied to an electric vehicle that requires a large-capacity battery charging. With the wireless charging method, since the connection point is not exposed, there is no danger such as leakage, and there is no problem that the wire connection is not good.

Generally, wireless charging has a high requirement for the position between the ground coil and the on-vehicle coil. Once the ground coil and the on-vehicle coil deviate significantly, not only the power transmission efficiency is lowered, but also the power is wasted.

However, at present, the prior art cannot realize the precise positioning of the automobile, and thus cannot meet the position requirement between the ground coil and the on-vehicle coil, resulting in low power transmission efficiency and waste of electric energy. Summary of the invention

In view of this, the embodiments of the present invention provide a method and a device for positioning a vehicle, which can achieve accurate positioning of the automobile.

The technical solution of the embodiment of the present invention is implemented as follows:

An embodiment of the present invention provides a vehicle positioning method, which is applied to an automobile having an in-vehicle coil. The surface of the in-vehicle coil is provided with an image capturing device, and the cab of the automobile is provided with an image display device, and the method includes:

When the positioning request is received, the image capturing device is controlled to perform image information collection; the image capturing device processes the collected image information to obtain a positioning image; The image display device displays the positioning image.

Preferably, the car has a driving control mechanism, and after performing image information collection, the method further includes:

The image capturing device calculates the collected image information to obtain position information of the current in-vehicle coil and the ground coil;

The driving control mechanism controls the vehicle to move until the position between the in-vehicle coil and the ground coil reaches a preset requirement based on the position information.

Preferably, the image capturing device processes the collected image information to obtain a positioning image, which is:

The image acquisition device combines, de-distorts and enhances the acquired image information to obtain a positioning image.

Preferably, the lens surface of the image capture device is provided with a protection device;

Correspondingly, when receiving the location request, the method further includes:

The protective device is controlled to open to expose the lens.

Preferably, the surface of the on-vehicle coil is further provided with a lighting device;

The lighting device is controlled to be turned on.

An embodiment of the present invention provides a vehicle positioning method device, which is applied to an automobile having an in-vehicle coil, the device comprising: an image acquisition device disposed on a surface of the on-vehicle coil, and an image display device connected to the image acquisition device, The image display device is disposed in a cab of the automobile, and a control device connected to the image capturing device;

The control device is configured to control the image acquisition device to perform image information collection when receiving the positioning request;

The image capturing device is configured to process the collected image information to obtain a positioning image; The image display device is configured to display the positioning image.

Preferably, the device further includes: a driving control mechanism connected to the image capturing device; the image capturing device is further configured to calculate the collected image information to obtain position information of the current in-vehicle coil and the ground coil;

The driving control mechanism is configured to control the vehicle to move until the position between the in-vehicle coil and the ground coil reaches a preset requirement according to the position information.

Preferably, the image acquisition device is configured to combine, de-distort and enhance the acquired image information to obtain a positioning image.

Preferably, the lens surface of the image capture device is provided with a protection device, and the protection device is connected to the control device;

The control device is further configured to control the protection device to open to expose the lens. Preferably, the surface of the on-vehicle coil is further provided with a lighting device, and the lighting device is connected to the control device;

The control device is further configured to control the illumination device to be turned on.

Preferably, the display screen of the image display device is provided with a first identification pattern, and the first identification pattern corresponds to the shape of the second identification pattern of the ground coil setting area.

It can be seen that the technical solution of the embodiment of the present invention includes: applying to an automobile having an in-vehicle coil, the surface of the in-vehicle coil is provided with an image collecting device, and the cab of the automobile is provided with an image display device, when receiving the positioning request Controlling the image acquisition device to perform image information collection; the image acquisition device processes the acquired image information to obtain a positioning image; the image display device displays the positioning image; thus, the technical solution provided by the embodiment of the present invention Accurate positioning of the car can be achieved by obtaining a positioning image and displaying it. DRAWINGS

1 is a flowchart of an implementation of a first embodiment of a vehicle positioning method according to an embodiment of the present invention; FIG. 2 is a flowchart of an implementation of a second embodiment of a vehicle positioning method according to an embodiment of the present invention; 3 is a schematic structural view of a first embodiment of a vehicle positioning device according to an embodiment of the present invention; and FIG. 4 is a schematic structural view of a second embodiment of a vehicle positioning device according to an embodiment of the present invention. DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS A first embodiment of a vehicle positioning method

A first embodiment of a vehicle positioning method provided by the present invention is applied to an automobile having an in-vehicle coil, and an image capturing device is disposed on a surface of the in-vehicle coil, and an image display device is disposed in a cab of the automobile, as shown in FIG. As shown, the method includes:

Step 101: When receiving the positioning request, control the image collecting device to perform image information collection; where the positioning request may be triggered by the user, for example, when the car enters the charging area, the user initiates the positioning function, thereby starting the positioning. request.

Step 102: The image collection device processes the collected image information to obtain a positioning image.

Here, the image capturing device processes the collected image information to obtain a positioning image, which may be:

In an actual application, the image capturing device processing the collected image information may further include: the image capturing device identifying the background image in the image according to the color and brightness in the image information and deleting the background image. Thereby, the obtained positioning image is more prominent and conspicuous.

Step 103: The image display device displays the positioning image.

Here, the display screen of the image display device may be provided with a first identification pattern, the first identification pattern corresponding to the shape of the second identification pattern of the ground coil setting area.

For example, the second identification graphic may be a "ten" shape disposed at the center of the ground coil, and correspondingly, the first identification graphic may be a "ten" shape disposed at the center of the display screen. When the second identification graphic in the positioning image and the first identification graphic on the display screen coincide, indicating that the position of the on-vehicle coil and the ground coil reaches a desired position requirement; or, the first identification graphic may be disposed at the center of the display screen. The shape of the circle, when the second identification pattern enters the range of the first identification pattern, indicates that the position of the on-vehicle coil and the ground coil reaches the desired position.

Of course, in actual use, the shapes of the first identification pattern and the second identification pattern may be set according to actual conditions.

Therefore, with the embodiment provided by the present invention, the driver can adjust the position of the automobile according to the positioning image displayed by the image display device, so that the position of the on-vehicle coil and the ground coil can reach the ideal position requirement, thereby improving the power transmission efficiency and saving the electric energy. .

Preferably, the car has a driving control mechanism, and after the image information is collected, the method may further include:

Therefore, with the embodiment provided by the invention, the automatic parking position of the automobile can be realized, and the position of the on-vehicle coil and the ground coil can be achieved to meet the ideal position requirement; and the driver can understand the positioning by using the positioning image displayed by the image display device. Manually intervene and adjust when necessary to ensure that the position of the on-board coil and the ground coil meets the ideal position requirements, thereby improving power transmission efficiency and saving power.

Correspondingly, when receiving the location request, the method may further include:

The protective device is controlled to open to expose the lens.

In this way, the protection device is controlled to be opened only when the positioning request is received, exposing the lens, and the protection device is capable of the lens of the image acquisition device when the image acquisition device is not used. Protect from lens damage and prevent accurate image information.

In practical applications, the protection device may be controlled to be turned off when the user turns off the positioning function; or, when the charging is finished, the protection device is controlled to be turned off;

The lighting device is controlled to be turned on.

In this way, when the positioning request is received, the lighting device is controlled to be turned on, and the light is emitted, so that accurate image information cannot be obtained due to poor light.

In practical applications, the lighting device may be controlled to be turned off when the user turns off the positioning function; or, when the charging is finished, the lighting device is controlled to be turned off.

Second embodiment of a vehicle positioning method

A second embodiment of a vehicle positioning method provided by the present invention is applied to an automobile having an in-vehicle coil. The surface of the in-vehicle coil is provided with an image collecting device, and the cab of the automobile is provided with an image display device, as shown in FIG. 2 . As shown, the method includes:

Step 201: When receiving the positioning request, the image capturing device is controlled to perform image information collection. Here, the positioning request may be triggered by a user. For example, when the car enters the charging area, the user activates the positioning function, thereby starting positioning. request.

Step 202: The image collection device processes the collected image information to obtain a positioning image.

In an actual application, the image collecting device processing the collected image information may further include: the image capturing device identifying the image in the image according to the color and brightness in the image information. The background image and the background image is deleted. Thereby, the obtained positioning image is more prominent and conspicuous.

Step 203: The image collection device calculates the collected image information, and obtains position information of the current in-vehicle coil and the ground coil;

Step 204: The image display device displays the positioning image.

For example, the second identification graphic may be a "ten" shape disposed at the center of the ground coil, and correspondingly, the first identification graphic may be a "ten" shape disposed at the center of the display screen, when positioning the image When the second identification pattern and the first identification pattern on the display screen coincide, the position of the on-vehicle coil and the ground coil is required to reach a desired position; or the first identification pattern may be a circle shape disposed at the center of the display screen, when When the two identification patterns enter the range of the first identification pattern, it indicates that the position of the on-vehicle coil and the ground coil reaches the ideal position requirement.

Step 205: The driving control mechanism controls the car to move until the position between the in-vehicle coil and the ground coil reaches a preset requirement according to the position information.

The protective device is controlled to open to expose the lens.

In this way, the protection device is controlled to open only when the positioning request is received, exposing the lens, When the image capture device is not used, the protection device can protect the lens of the image capture device from damage of the lens, resulting in failure to obtain accurate image information.

In practical applications, the protection device can be controlled to be turned off when the user turns off the positioning function. Preferably, the surface of the on-vehicle coil is further provided with a lighting device;

The lighting device is controlled to be turned on.

In practical applications, the lighting device can be controlled to be turned off when the user turns off the positioning function. First embodiment of a vehicle positioning device

Based on the above embodiment of the vehicle positioning method, the first embodiment of the vehicle positioning device provided by the present invention is applied to a vehicle having an in-vehicle coil. As shown in FIG. 3, the device includes: The image capturing device 301 is connected to the image capturing device 302, the image display device is disposed in the cab of the automobile, and the control device 303 is connected to the image capturing device;

The control device 303 is configured to control the image collection device to perform image information collection when receiving the positioning request;

Here, the positioning request may be triggered by the user. For example, when the car enters the charging area, the user activates the positioning function to start the positioning request.

The image capturing device 301 is configured to process the collected image information to obtain a positioning image;

Here, the image capturing device 301 is specifically configured to combine, de-distort, and enhance the acquired image information to obtain a positioning image.

In an actual application, the image capturing device 301 may be further configured to: identify a background image in the image according to the color and brightness in the image information and delete the background image. Resulting in Positioning images are more prominent and eye-catching.

The image display device 302 is configured to display the positioning image.

Thereby, the driver can adjust the position of the car according to the positioning image displayed by the image display device 302, so that the position of the on-vehicle coil and the ground coil can reach the desired position, thereby improving the power transmission efficiency and saving the electric energy.

Preferably, the device may further include: a driving control mechanism connected to the image capturing device;

The image acquisition device is further configured to calculate the collected image information to obtain position information of the current vehicle coil and the ground coil;

The control device is further configured to control the protection device to open to expose the lens. In this way, only when the positioning request is received, the control device controls the protection device to open to expose the lens, and when the image capturing device is not used, the protection device can protect the lens of the image capturing device to avoid the lens Damaged, resulting in inaccurate image information.

In practical applications, the control device may control the protection device to be turned off when the user turns off the positioning function; or, at the end of charging, the in-vehicle coil notification control device controls the protection device to be turned off. Preferably, the surface of the on-vehicle coil is further provided with a lighting device, and the lighting device is connected to the control device;

Thus, when receiving the positioning request, the control device controls the lighting device to turn on and emit light, so that accurate image information cannot be obtained due to poor light.

In practical applications, the control device may control the lighting device to be turned off when the user turns off the positioning function; or, at the end of charging, the in-vehicle coil notification control device controls the lighting device to be turned off.

Second embodiment of a vehicle positioning device

Based on the first embodiment of the above-described vehicle positioning device, a second embodiment of the vehicle positioning device provided by the present invention is applied to a vehicle having an in-vehicle coil. As shown in FIG. 4, the device includes:

An image capturing device 301 disposed on a surface of the in-vehicle coil, and an image display device 302 connected to the image capturing device, the image display device being disposed in a cab of the automobile, and a control device connected to the image capturing device 303. Driving control connected to the image capturing device Agency 304;

The image capturing device 301 is configured to process the collected image information to obtain a positioning image; and configured to calculate the collected image information to obtain position information of the current in-vehicle coil and the ground coil;

In an actual application, the image capture device 301 can be further configured to: identify a background image in the image based on the color and brightness in the image information and delete the background image. Thereby, the obtained positioning image is more prominent and conspicuous.

Here, the image capturing device 301 may be one or more cameras, and the number of the cameras depends on the placement position of the camera and the processing capability of the camera. For example, some cameras are composed of multiple imaging units, which can complete more complicated image acquisition. Then, by arranging one of the above cameras in the center of the vehicle coil 101, the image acquisition task can be completed. Otherwise, multiple cameras are required to complete the image collection task.

The image display device 302 is configured to display the positioning image.

The driving control mechanism 304 is configured to control the vehicle to move until the position between the in-vehicle coil and the ground coil reaches a preset requirement according to the position information.

Thus, with the embodiment provided by the present invention, the automatic parking position of the automobile can be realized, and the position of the on-vehicle coil and the ground coil can be achieved at an ideal position; and, the driver can pass The positioning image displayed by the image display device understands the positioning situation, and performs manual intervention and adjustment when necessary, thereby ensuring that the position of the on-vehicle coil and the ground coil reaches the ideal position requirement, thereby improving the power transmission efficiency and saving power.

In practical applications, the control device may control the protection device to be turned off when the user turns off the positioning function; or, at the end of charging, the in-vehicle coil notification control device controls the protection device to be turned off.

Preferably, the surface of the on-vehicle coil is further provided with a lighting device, and the lighting device is connected to the control device;

For example, the second identification graphic may be a "ten" shape disposed at the center of the ground coil, and correspondingly, the first identification graphic may be a "ten" shape disposed at the center of the display screen, when positioning the image When the second identification graphic and the first identification graphic on the display screen coincide, indicating The position of the in-vehicle coil and the ground coil is required to reach a desired position; or the first identification pattern may be a circle shape disposed at the center of the display screen, and when the second identification pattern enters the range of the first identification pattern, the on-board coil and the ground are The position of the coil reaches the desired position.

In summary, the embodiment of the present invention can achieve accurate positioning of the automobile by collecting image information and performing related processing.

The above is only the preferred embodiment of the present invention and is not intended to limit the scope of the present invention. Industrial Applicability The technical solution provided by the embodiments of the present invention is applied to an automobile having an in-vehicle coil, and an image capturing device is disposed on a surface of the in-vehicle coil, and an image display device is disposed in a cab of the automobile, when receiving a positioning request Controlling the image acquisition device to perform image information collection; the image acquisition device processes the acquired image information to obtain a positioning image; and the image display device displays the positioning image; thus, accurate positioning of the automobile can be realized.

Claims

claims

1. A car positioning method, applied to a car with a car coil, the surface of the car coil is provided with an image acquisition device, and the cab of the car is provided with an image display device, the method includes:

When a positioning request is received, the image acquisition device is controlled to collect image information; the image acquisition device processes the collected image information to obtain a positioning image; and the image display device displays the positioning image.

2. The method according to claim 1, wherein the car has a driving control mechanism, and after collecting image information, the method further includes:

The image acquisition device calculates the collected image information to obtain the position information of the current vehicle-mounted coil and the ground coil;

The driving control mechanism controls the movement of the car based on the position information until the position between the vehicle-mounted coil and the ground coil reaches a preset requirement.

3. The method according to claim 1, wherein the image acquisition device processes the collected image information to obtain a positioning image, which is:

The image acquisition device merges, removes distortion and enhances the collected image information to obtain a positioning image.

4. The method according to claim 1, wherein a protective device is provided on the lens surface of the image acquisition device;

Correspondingly, when receiving a positioning request, the method further includes:

The protective device is controlled to open to expose the lens.

5. The method according to claim 1, wherein the surface of the vehicle-mounted coil is further provided with a lighting device;

Correspondingly, when receiving a positioning request, the method further includes: Control the lighting device to turn on.

6. A car positioning method and equipment, applied to cars with vehicle-mounted coils, the equipment includes: an image acquisition device provided on the surface of the vehicle-mounted coil, an image display device connected to the image acquisition device, the image display The device is arranged in the cab of the car, and is a control device connected to the image acquisition device;

The control device is configured to control the image acquisition device to collect image information when receiving a positioning request;

The image acquisition device is configured to process the collected image information to obtain a positioning image;

The image display device is configured to display the positioning image.

7. The device according to claim 6, wherein the device further includes: a driving control mechanism connected to the image acquisition device;

The image acquisition device is also configured to calculate the collected image information to obtain the position information of the current vehicle-mounted coil and the ground coil;

The driving control mechanism is configured to control the movement of the car according to the position information until the position between the vehicle-mounted coil and the ground coil reaches a preset requirement.

8. The device according to claim 6, wherein the image acquisition device is configured to merge, dedistort and enhance the collected image information to obtain a positioning image.

9. The device according to claim 6, wherein a protective device is provided on the lens surface of the image acquisition device, and the protective device is connected to the control device;

The control device is also configured to control the protective device to open to expose the lens.

10. The equipment according to claim 6, wherein the surface of the vehicle-mounted coil is further provided with a lighting device, and the lighting device is connected to the control device;

The control device is also configured to control the lighting device to turn on.

11. The apparatus according to claim 6, wherein the display of the image display device The screen is provided with a first logo graphic, and the first logo graphic corresponds to the shape of the second logo graphic in the ground coil setting area.