CN-116528550-B - Vehicle-mounted wireless charging linkage control method and device, medium and vehicle

CN116528550BCN 116528550 BCN116528550 BCN 116528550BCN-116528550-B

Abstract

The invention belongs to the technical field of vehicle-mounted wireless charging, and provides a vehicle-mounted wireless charging linkage control method, a device, a medium and a vehicle. The vehicle-mounted wireless charging linkage control method comprises the steps of obtaining real-time running speed of a vehicle, real-time temperature and required power of wireless charging equipment, when the required power of the wireless charging equipment is nonzero, starting a self-contained radiating element of the wireless charging equipment in a linkage mode when the real-time temperature of the wireless charging equipment is larger than a first temperature threshold and smaller than a second temperature threshold, determining the current running duty ratio of the self-contained radiating element of the wireless charging equipment according to the relation between the required power and the running duty ratio of the self-contained radiating element of the wireless charging equipment, determining the optimal running speed section of the vehicle according to the relation between the running duty ratio of the self-contained radiating element of the wireless charging equipment and the optimal running speed section of the vehicle, and comparing the optimal running speed section of the vehicle with the real-time running speed of the vehicle so as to dynamically adjust the running speed of the vehicle.

Inventors

TANG HONGYU
JIANG DONGDONG
MENG YUE
ZHAO XIAOTING

Assignees

奇瑞汽车股份有限公司

Dates

Publication Date: 20260508
Application Date: 20230412

Claims (8)

1. The vehicle-mounted wireless charging linkage control method is characterized by comprising the following steps of: acquiring real-time running speed of a vehicle, real-time temperature of wireless charging equipment and required power; when the required power of the wireless charging equipment is nonzero, the real-time temperature of the wireless charging equipment is greater than a first temperature threshold value and less than a second temperature threshold value, and the starting of the self-contained heat dissipation element of the wireless charging equipment is controlled in a linkage mode; determining the current operation duty ratio of the self-contained radiating element of the wireless charging equipment according to the relation between the required power and the operation duty ratio of the self-contained radiating element of the wireless charging equipment, wherein the relation between the required power and the operation duty ratio of the self-contained radiating element of the wireless charging equipment is represented by a first piecewise function; And determining the optimal running speed section of the vehicle according to the relation between the running duty ratio of the self-contained radiating element of the wireless charging equipment and the optimal running speed section of the vehicle, comparing the optimal running speed section of the vehicle with the real-time running speed of the vehicle, and dynamically adjusting the running speed of the vehicle, wherein the relation between the running duty ratio of the self-contained radiating element of the wireless charging equipment and the optimal running speed section of the vehicle is represented by a second piecewise function.
2. The on-vehicle wireless charging coordinated control method of claim 1, wherein the required power is divided into a plurality of echelon levels in advance, each of the echelon levels corresponding to a duty cycle of the operation of the self-contained heat dissipation element of the wireless charging device.
3. The on-vehicle wireless charging linkage control method according to claim 2, wherein when the required power is at the lowest echelon level, the on-duty ratio of the self-carried heat radiating element of the wireless charging device is a preset minimum duty ratio, and the operation is stopped after a set period of time.
4. The on-vehicle wireless charging linkage control method according to claim 1, wherein the larger the operation duty ratio of the self-contained radiating element of the wireless charging device is, the larger the value of the optimum running speed section of the vehicle is.
5. The vehicle-mounted wireless charging linkage control method according to claim 1, further comprising the steps of acquiring real-time temperature in a vehicle cabin, and controlling the refrigeration on of a vehicle-mounted air conditioner in a linkage mode when the real-time temperature in the vehicle cabin is greater than a third temperature threshold.
6. The utility model provides a on-vehicle wireless linkage controlling means that charges which characterized in that includes: the data acquisition module is used for acquiring real-time running speed of the vehicle, real-time temperature of the wireless charging equipment and required power; the self-contained radiating element starting control module is used for controlling the starting of the self-contained radiating element of the wireless charging equipment in a linkage mode when the required power of the wireless charging equipment is nonzero and the real-time temperature of the wireless charging equipment is greater than a first temperature threshold value and less than a second temperature threshold value; the operation duty ratio determining module is used for determining the current operation duty ratio of the self-contained radiating element of the wireless charging equipment according to the relation between the required power and the operation duty ratio of the self-contained radiating element of the wireless charging equipment, and the relation between the required power and the operation duty ratio of the self-contained radiating element of the wireless charging equipment is represented by a first piecewise function; and the vehicle running speed adjusting module is used for determining the optimal running speed section of the vehicle according to the relation between the running duty ratio of the self-contained radiating element of the wireless charging equipment and the optimal running speed section of the vehicle, comparing the optimal running speed section with the real-time running speed of the vehicle and dynamically adjusting the running speed of the vehicle, wherein the relation between the running duty ratio of the self-contained radiating element of the wireless charging equipment and the optimal running speed section of the vehicle is represented by a second segmentation function.
7. A computer-readable storage medium, on which a computer program is stored, characterized in that the program, when executed by a processor, implements the steps in the in-vehicle wireless charging linkage control method according to any one of claims 1 to 5.
8. A vehicle comprising the on-board wireless charging coordinated control device according to claim 6.

Description

Vehicle-mounted wireless charging linkage control method and device, medium and vehicle Technical Field The invention belongs to the technical field of vehicle-mounted wireless charging, and particularly relates to a vehicle-mounted wireless charging linkage control method, device, medium and vehicle. Background The statements in this section merely provide background information related to the present disclosure and may not necessarily constitute prior art. Currently, an aluminum metal bottom shell is mostly adopted, and heat is passively dissipated through a heat conduction mode in the form of heat dissipation fins. The heat of the machine body is directly transmitted to a heat dissipation mode of an object with lower temperature which is contacted with the machine body. The influence of the easy environmental factors is relatively large, and when the environment temperature is high, effective heat conduction cannot be formed, so that the heat dissipation device belongs to a passive heat dissipation mode. The existing heat dissipation technology of the vehicle-mounted wireless charger actively dissipates heat through real-time temperature judgment of the vehicle-mounted wireless charger, but the higher the charging efficiency of the wireless charging equipment is, the more power is generated, the higher the heat generated is, the higher the running power of the heat dissipation equipment is required, noise is generated, and the noise generated in the running process of the vehicle is added to influence the riding comfort of passengers. Disclosure of Invention In order to solve the technical problems in the background art, the invention provides a vehicle-mounted wireless charging linkage control method, a device, a medium and a vehicle, which can balance wireless charging efficiency, noise generated in a charging process and a vehicle running process, and improve wireless charging efficiency and comfort of passengers riding the vehicle. In order to achieve the above purpose, the present invention adopts the following technical scheme: The first aspect of the invention provides a vehicle-mounted wireless charging linkage control method. A vehicle-mounted wireless charging linkage control method, comprising: acquiring real-time running speed of a vehicle, real-time temperature of wireless charging equipment and required power; when the required power of the wireless charging equipment is nonzero, the real-time temperature of the wireless charging equipment is greater than a first temperature threshold value and less than a second temperature threshold value, and the starting of the self-contained heat dissipation element of the wireless charging equipment is controlled in a linkage mode; determining the current operation duty ratio of the self-contained radiating element of the wireless charging equipment according to the relation between the required power and the operation duty ratio of the self-contained radiating element of the wireless charging equipment; And determining the optimal running speed section of the vehicle according to the relation between the running duty ratio of the self-carried radiating element of the wireless charging equipment and the optimal running speed section of the vehicle, and comparing the optimal running speed section with the real-time running speed of the vehicle so as to dynamically adjust the running speed of the vehicle. As one embodiment, the relationship between the required power and the operating duty cycle of the self-contained heat sink element of the wireless charging device is characterized by a first piecewise function. As one embodiment, the required power is pre-divided into several echelon levels, each of which corresponds to one duty cycle of the wireless charging device's own heat sink operation. As one embodiment, when the required power is at the lowest echelon level, the self-contained heat sink element of the wireless charging device operates with a duty cycle that is a preset minimum duty cycle and stops after a set period of operation. As an embodiment, the relation between the operating duty cycle of the self-contained heat dissipating element of the wireless charging device and the optimal driving speed section of the vehicle is characterized by a second segmentation function. As one embodiment, the larger the operating duty cycle of the self-contained radiating element of the wireless charging device, the larger the value of the vehicle's optimum travel speed segment. The vehicle-mounted wireless charging linkage control method further comprises the steps of obtaining real-time temperature in the vehicle cabin, and controlling the refrigeration on of the vehicle-mounted air conditioner in a linkage mode when the real-time temperature in the vehicle cabin is larger than a third temperature threshold value. The second aspect of the invention provides an on-board wireless charging linkage control device. An on-vehicle wireless linkage control device