CN-122001407-A - System and method for controlling charging door of vehicle based on UWB

CN122001407ACN 122001407 ACN122001407 ACN 122001407ACN-122001407-A

Abstract

The invention relates to a system and a method for controlling a charging door of a vehicle based on UWB. The system comprises a charging door, a charging device, a vehicle-mounted UWB communication device, a vehicle-mounted image pickup device, a main control device and a charging door control device, wherein the charging door covers a charging port of a vehicle, the charging device can be electrically connected with the charging port of the vehicle and is configured to charge the vehicle, the charging device comprises a first UWB communication device, the first UWB communication device can send and receive UWB communication signals, the vehicle-mounted UWB communication device is configured to detect position information of the charging device based on the UWB communication signals of the received charging device, the vehicle-mounted image pickup device is configured to capture image information near the charging door of the vehicle, the main control device is configured to generate a charging door control signal for enabling the charging door to be opened or closed based on the position information of the charging device and the image information near the charging door of the vehicle when the vehicle is parked, and the charging door control device is configured to enable the charging door to be opened or closed based on the charging door control signal of the main control device.

Inventors

GE MAOHENG
LI KUIJIE
HUANG YANXIANG
ZHANG MINGJIE
LI YUAN
ZHANG JINCHAO

Assignees

现代自动车株式会社
起亚株式会社

Dates

Publication Date: 20260508
Application Date: 20241105

Claims (19)

1. A system for UWB-based control of a charging door of a vehicle, comprising: A charging door that covers a charging port of the vehicle; A charging device electrically connectable with a charging port of a vehicle and configured to charge the vehicle, the charging device including a first UWB communication device capable of transmitting and receiving UWB communication signals; An in-vehicle UWB communication device provided with an UWB processing module and a plurality of in-vehicle UWB communication modules, wherein the UWB processing module and the plurality of in-vehicle UWB communication modules are communicably connected, the plurality of in-vehicle UWB communication modules are configured to perform UWB communication with a first UWB communication device of the charging device and transmit received UWB communication signals of the charging device to the UWB processing module, the UWB processing module detecting position information of the charging device based on the received UWB communication signals of the charging device; An in-vehicle image pickup device configured to capture image information in the vicinity of a charging door of a vehicle; A main control device communicably connected to the in-vehicle UWB communication device and the in-vehicle image pickup device, respectively, wherein the main control device is configured to generate a charging door control signal that causes the charging door to open or close based on position information of the charging device and image information in the vicinity of the charging door of the vehicle in a case where the vehicle is parked; and a charging door control device communicably connected with the main control device and electrically connected with a charging door of the vehicle, wherein the charging door control device is configured to open or close the charging door based on a charging door control signal of the main control device.
2. The UWB-based system for controlling a charging door of a vehicle of claim 1 further comprising a user carrying a second UWB communication device capable of transmitting and receiving UWB communication signals; The plurality of vehicle-mounted UWB communication modules of the vehicle-mounted UWB communication device are configured to perform UWB communication with second UWB communication equipment of a user, and send received UWB communication signals of the user to a UWB processing module of the vehicle-mounted UWB communication device, and the UWB processing module detects position information of the user based on the received UWB communication signals of the user; The main control device is further configured to generate a charging door control signal that causes the charging door to open or close based on the position information of the user, the position information of the charging device, and the image information in the vicinity of the charging door of the vehicle.
3. The UWB-based system for controlling a charging door of a vehicle of claim 1 wherein the master control device is further configured to: detecting whether the position of the charging device is within a set range of the vehicle; when the position of the charging device is detected to be within the set range of the vehicle, determining whether the distance between the charging device and a charging door of the vehicle is smaller than a first preset distance; Determining whether the charging device is close to the charging door of the vehicle based on image information in the vicinity of the charging door of the vehicle when it is determined that the distance of the charging device from the charging door of the vehicle is less than a first predetermined distance; when it is determined that the charging device is approaching a charging door of the vehicle, a charging door control signal is generated that causes the charging door to open.
4. The UWB-based vehicle charging door control system of claim 2 wherein the master control device is further configured to: detecting whether the position of the charging device is within a set range of the vehicle; When the position of the charging device is detected to be within the set range of the vehicle, determining whether the distance between the user and the charging device is smaller than a second preset distance; when it is determined that the distance between the user and the charging device is smaller than the second preset distance, determining whether the distance between the user or the charging device and a charging door of the vehicle is smaller than the first preset distance; Determining whether the charging device is close to the charging door of the vehicle based on image information in the vicinity of the charging door of the vehicle when it is determined that the distance between the user or the charging device and the charging door of the vehicle is less than a first predetermined distance; when it is determined that the charging device is approaching a charging door of the vehicle, a charging door control signal is generated that causes the charging door to open.
5. The UWB-based control vehicle charging door system of claim 3 or 4 wherein, The set range of the vehicle is a preset distance range between the charging device and the front side, the rear side, the left side and the right side of the vehicle; The predetermined distance is set in a range of 3m to 6 m; the first predetermined distance is set in a range of 0.5m to 1.5 m; the second predetermined distance is set in a range of 0.5m to 1.5 m.
6. The UWB-based control vehicle charging door system of claim 3 or 4 wherein the master control device is further configured to: Identifying whether the cutting ratios of different circles in the image are the same based on image information in the vicinity of a charging door of the vehicle; And when the cutting proportions of the different circles in the image are identified to be the same, determining that the charging device is close to a charging door of the vehicle.
7. The UWB-based control vehicle charging door system of claim 3 or 4 wherein the master control device is further configured to: detecting whether the charging device is electrically connected to a charging port of the vehicle for a predetermined time in a case where a charging door of the vehicle is opened; when detecting that the charging device is electrically connected with a charging port of the vehicle within a preset time, determining that the charging device charges the vehicle; detecting whether the charging device is electrically disconnected from a charging port of the vehicle under the condition that the charging device charges the vehicle; when the charging device is detected to be electrically disconnected from a charging port of the vehicle, determining whether a distance between the charging device and a charging door of the vehicle is greater than a first predetermined distance; generating a charging door control signal for closing the charging door when it is determined that the distance between the charging device and the charging door of the vehicle is greater than a first predetermined distance; The predetermined time is set in a range of 20s to 40 s.
8. The UWB-based vehicle charging door control system of claim 7 wherein the master control device is further configured to: When a charging door of a vehicle is opened, a charging door control signal for closing the charging door is generated when a charging device is not electrically connected to a charging port of the vehicle for a predetermined time.
9. The UWB-based system for controlling a charging door of a vehicle of claim 1, further comprising: a sound output device electrically connected to the main control device and configured to sound an alarm based on a control signal of the main control device; An indication device electrically connected to the main control device and configured to light an indication lamp based on a control signal of the main control device; The main control device is further configured to generate a control signal that causes the sound output device to sound an alarm and/or causes the indication device to light an indication lamp when a charging door control signal that causes the charging door to open or close is generated.
10. The UWB-based system for controlling a charging door of a vehicle according to claim 1 or 2, wherein, The communicably connected includes connected by wired communication; the wired communication mode comprises a controller local area network, a universal serial bus, a high-definition multimedia interface and a digital video interface.
11. A method of controlling a charging door of a vehicle based on UWB, comprising: Transmitting and receiving UWB communication signals by a first UWB communication device of the charging apparatus; detecting, by the in-vehicle UWB communication device, position information of the charging device based on the received UWB communication signal of the charging device; Capturing, by an in-vehicle image capturing device, image information in the vicinity of a charging door of a vehicle; Generating, by the main control device, a charging door control signal that causes the charging door to open or close based on the position information of the charging device and image information in the vicinity of the charging door of the vehicle, in a case where the vehicle is parked; The charging door is opened or closed by the charging door control device based on a charging door control signal of the main control device.
12. The UWB-based method of controlling a charging door of a vehicle of claim 11, further comprising: a second UWB communication device carried by the user transmitting and receiving UWB communication signals; detecting, by the in-vehicle UWB communication device, location information of the user based on the received UWB communication signal of the user; A charging door control signal for opening or closing a charging door of a vehicle is generated by a main control device based on position information of a user, position information of a charging device, and image information in the vicinity of the charging door.
13. The UWB-based method of controlling a charging door of a vehicle of claim 11, further comprising: detecting whether the position of the charging device is within a set range of the vehicle; when the position of the charging device is detected to be within the set range of the vehicle, determining whether the distance between the charging device and a charging door of the vehicle is smaller than a first preset distance; Determining whether the charging device is close to the charging door of the vehicle based on image information in the vicinity of the charging door of the vehicle when it is determined that the distance of the charging device from the charging door of the vehicle is less than a first predetermined distance; when it is determined that the charging device is approaching a charging door of the vehicle, a charging door control signal is generated that causes the charging door to open.
14. The UWB-based method of controlling a charging door of a vehicle of claim 12, further comprising: detecting whether the position of the charging device is within a set range of the vehicle; When the position of the charging device is detected to be within the set range of the vehicle, determining whether the distance between the user and the charging device is smaller than a second preset distance; when it is determined that the distance between the user and the charging device is smaller than the second preset distance, determining whether the distance between the user or the charging device and a charging door of the vehicle is smaller than the first preset distance; Determining whether the charging device is close to the charging door of the vehicle based on image information in the vicinity of the charging door of the vehicle when it is determined that the distance between the user or the charging device and the charging door of the vehicle is less than a first predetermined distance; when it is determined that the charging device is approaching a charging door of the vehicle, a charging door control signal is generated that causes the charging door to open.
15. The method for controlling a charging door of a vehicle based on UWB according to claim 13 or 14, wherein, The set range of the vehicle is a preset distance range between the charging device and the front side, the rear side, the left side and the right side of the vehicle; The predetermined distance is set in a range of 3m to 6 m; the first predetermined distance is set in a range of 0.5m to 1.5 m; the second predetermined distance is set in a range of 0.5m to 1.5 m.
16. A method of controlling a charging door of a vehicle based on UWB according to claim 13 or 14, further comprising: Identifying whether the cutting ratios of different circles in the image are the same based on image information in the vicinity of a charging door of the vehicle; And when the cutting proportions of the different circles in the image are identified to be the same, determining that the charging device is close to a charging door of the vehicle.
17. A method of controlling a charging door of a vehicle based on UWB according to claim 13 or 14, further comprising: detecting whether the charging device is electrically connected to a charging port of the vehicle for a predetermined time in a case where a charging door of the vehicle is opened; when detecting that the charging device is electrically connected with a charging port of the vehicle within a preset time, determining that the charging device charges the vehicle; detecting whether the charging device is electrically disconnected from a charging port of the vehicle under the condition that the charging device charges the vehicle; when the charging device is detected to be electrically disconnected from a charging port of the vehicle, determining whether a distance between the charging device and a charging door of the vehicle is greater than a first predetermined distance; generating a charging door control signal for closing the charging door when it is determined that the distance between the charging device and the charging door of the vehicle is greater than a first predetermined distance; The predetermined time is set in a range of 20s to 40 s.
18. The UWB-based method of controlling a charging door of a vehicle of claim 17, further comprising: When a charging door of a vehicle is opened, a charging door control signal for closing the charging door is generated when a charging device is not electrically connected to a charging port of the vehicle for a predetermined time.
19. The UWB-based method of controlling a charging door of a vehicle of claim 11, further comprising: when a charging door control signal for opening or closing the charging door is generated, a control signal for causing the sound output device to sound an alarm and/or causing the indication device to light an indication lamp is generated by the main control device.

Description

System and method for controlling charging door of vehicle based on UWB Technical Field The present invention relates to the field of vehicle control technology, and more particularly, to a system and method for controlling a charging door of a vehicle based on Ultra Wide Band (UWB). Background With the continuous progress of vehicle control technology, users have increasingly demanded charging convenience and intelligence. The existing opening modes of the vehicle charging door mainly comprise opening by using a vehicle key, opening by using an in-vehicle button, opening by using an out-of-vehicle button and the like. These conventional approaches are somewhat inconvenient, particularly in cold or rainy weather, and may require manual operation by the user, which is not only inconvenient, but may also cause discomfort to the user. Furthermore, if the indication of the charging port is unclear, it may cause the user to experience difficulty in charging, and even damage the vehicle due to improper operation. Therefore, the design of the charging door of the vehicle needs to be developed toward more intelligentized and humanized so that it can provide a more convenient user experience. The above description of the background is only for the purpose of facilitating a thorough understanding of the present invention's aspects (in terms of the means of technology used, the technical problems solved, and the technical effects produced, etc.) and should not be taken as an acknowledgement or any form of suggestion that this message constitutes prior art that is already known to a person skilled in the art. Disclosure of Invention The present invention is directed to a system and method for detecting the position of a charging device and/or a user based on Ultra Wide Band (UWB) communication technology, thereby providing the user with more intelligent control of a charging door. According to an embodiment of the present invention, there is provided a system for controlling a charging door of a vehicle based on UWB, comprising a charging door which is covered on a charging port of the vehicle, a charging device which is electrically connectable to the charging port of the vehicle and is configured to charge the vehicle, the charging device comprising a first UWB communication device which is capable of transmitting and receiving UWB communication signals, an in-vehicle UWB communication device which is provided with a UWB processing module and a plurality of in-vehicle UWB communication modules, wherein the UWB processing module and the plurality of in-vehicle UWB communication modules are communicably connected, the plurality of in-vehicle UWB communication modules are configured to perform UWB communication with the first UWB communication device of the charging device and transmit the received UWB communication signals of the charging device to the UWB processing module, the UWB processing module detects position information of the charging device based on the received UWB communication signals of the charging device, an in-vehicle main control device which is configured to capture image information in the vicinity of the charging door of the vehicle, respectively, and an in-vehicle UWB communication device which is configured to be communicably connected to the in-vehicle UWB communication device and the in-vehicle communication device, wherein the in-vehicle main control device is configured to open or close the charging door is configured to the charging door based on the received UWB communication signals, the main control device and the charging door is opened. The system for controlling the charging door of the vehicle based on the UWB according to the embodiment of the invention further comprises a user carrying a second UWB communication device capable of sending and receiving UWB communication signals, a plurality of vehicle-mounted UWB communication modules of the vehicle-mounted UWB communication device are configured to conduct UWB communication with the second UWB communication device of the user and send the received UWB communication signals of the user to a UWB processing module of the vehicle-mounted UWB communication device, the UWB processing module detects the position information of the user based on the received UWB communication signals of the user, and the main control device is further configured to generate a charging door control signal for enabling the charging door to be opened or closed based on the position information of the user, the position information of the charging device and image information near the charging door of the vehicle. Preferably, the main control device is further configured to detect whether the position of the charging device is within a set range of the vehicle, determine whether a distance of the charging device from a charging door of the vehicle is less than a first predetermined distance when the position of the charging device is detected within the set ra