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CN-122008788-A - In-vehicle temperature control method, medium, vehicle and product

CN122008788ACN 122008788 ACN122008788 ACN 122008788ACN-122008788-A

Abstract

The embodiment of the application discloses an in-vehicle temperature control method, medium, vehicle and product, and relates to the technical field of vehicle control, wherein the method comprises the steps of detecting temperature change information of a contact surface between a seat and an occupant in a target time window under the condition that a seat heating function of the vehicle is started; and determining the actual thickness of the clothes of the passenger according to the heat dissipation influence degree, and controlling the temperature control system in the vehicle to work based on the actual thickness. According to the technical scheme, the problem that accuracy is insufficient due to the fact that the influence of environmental factors is easy to cause when the condition of wearing clothes of an occupant is judged by adopting a camera image recognition mode can be solved, occupant information cannot be leaked, safety and reliability of judging the thickness of the wearing clothes of the occupant are improved, and an in-vehicle temperature control system can carry out self-adaptive adjustment based on the thickness of clothes to provide a more comfortable temperature environment for the occupant.

Inventors

  • ZHANG CHAO

Assignees

  • 长城汽车股份有限公司

Dates

Publication Date
20260512
Application Date
20260212

Claims (10)

  1. 1. An in-vehicle temperature control method, characterized by comprising: detecting temperature change information of a contact surface between a seat and an occupant in a target time window when a seat heating function of a vehicle is turned on; determining the heat radiation influence degree of the clothes of the passenger on the contact surface in the target time window based on the temperature change information; And determining the actual thickness of the clothes of the passenger according to the heat radiation influence degree, and controlling the temperature control system in the vehicle to work based on the actual thickness.
  2. 2. The method of claim 1, wherein prior to determining the extent of the heat dissipation influence of the occupant's clothing on the contact surface over the target time window based on the temperature change information, further comprising: Determining total heat generated by heating the seat in a target time window, wherein the temperature change information comprises a temperature difference value between a starting time and an ending time of the target time window; based on the temperature change information, determining a degree of heat dissipation influence of the occupant's clothing on the contact surface at the target time window, comprising: Calculating the ratio between the temperature difference value corresponding to the target time window and the total heat to obtain a characteristic parameter representing the thermal response characteristic of the contact surface; And determining the heat radiation influence degree of the clothes of the passenger on the contact surface in the target time window based on the characteristic parameters.
  3. 3. The method of claim 2, wherein determining the total heat generated by heating the seat within the target time window comprises: determining a current value and a voltage value generated by the seat heating system for each moment contained in the target time window, and taking the product of the current value and the voltage value as the instantaneous power of the seat heating system at the moment; And carrying out integral operation on the instantaneous power at each moment in the target time window to obtain the total heat generated by heating the seat in the target time window.
  4. 4. The method of claim 1, wherein determining the actual thickness of the occupant's clothing based on the degree of heat dissipation influence comprises: Acquiring an environment temperature and a standard mapping relation of a vehicle, wherein the standard mapping relation is used for reflecting the relation between a heat dissipation influence degree interval and the thickness of clothes; Based on the ambient temperature, adjusting the boundary value of the heat dissipation influence degree interval in the standard mapping relation to form a target mapping relation corresponding to the ambient temperature; based on the target mapping relation, determining the thickness of the clothing corresponding to the target influence degree interval matched with the heat radiation influence degree as the actual thickness of the clothing of the passenger.
  5. 5. The method of claim 1, further comprising, prior to detecting temperature change information of the interface between the seat and the occupant within the target time window: Acquiring first temperature values detected by a plurality of temperature sensors embedded in a seat; Comparing the first temperature values to determine a contact surface between the seat and the occupant; detecting temperature change information of an interface between the seat and the occupant within a target time window, comprising: Determining, for each temperature sensor in the contact surface, a second temperature value detected by the temperature sensor at a start time of the target time window and a third temperature value detected at an end time, a difference between the second temperature value and the third temperature value; And carrying out weighted fusion processing on the difference value corresponding to each temperature sensor in the contact surface to obtain temperature change information.
  6. 6. The method of claim 1, wherein controlling operation of the in-vehicle temperature control system based on the actual thickness comprises: Determining a target cooperative control mode matched with the actual thickness based on a mapping relation between the thickness of the clothes and the cooperative control mode; and controlling different temperature control systems to perform cooperative work according to a target cooperative control mode, wherein the temperature control systems comprise an air conditioning system and a seat heating system.
  7. 7. The method of claim 1, further comprising, prior to detecting temperature change information of the interface between the seat and the occupant within the target time window: Responding to triggering operation of a seat heating function, determining current environmental parameters of a vehicle, and calling historical clothing information matched with identity information of an occupant, wherein the historical clothing information records the thickness of clothing of the occupant under different historical environmental parameters; And screening the clothes thickness corresponding to the historical environmental parameters matched with the current environmental parameters from the historical clothes information, and controlling the temperature control system in the vehicle to work based on the initial reference thickness of the clothes of the passenger.
  8. 8. A computer-readable storage medium, characterized in that the storage medium stores a computer program for executing the in-vehicle temperature control method according to any one of the preceding claims 1 to 7.
  9. 9. A vehicle, characterized by comprising: A processor; A memory for storing processor-executable instructions; a processor for executing the in-vehicle temperature control method according to any one of claims 1 to 7.
  10. 10. A computer program product, characterized in that the computer program product comprises instructions which, when executed on a vehicle, cause the vehicle to carry out the in-vehicle temperature control method according to any one of claims 1 to 7.

Description

In-vehicle temperature control method, medium, vehicle and product Technical Field The application relates to the technical field of vehicle control, in particular to an in-vehicle temperature control method, medium, vehicle and product. Background With the rapid development of automobile intellectualization, the comfort of the automobile is more and more paid attention to, and the temperature control in the automobile is one of key factors influencing the riding comfort. At present, a camera is generally used for collecting image information of passengers, and the clothes wearing condition of the passengers is determined based on the image information, so that the temperature in the vehicle is adjusted according to the clothes wearing condition. However, the camera is easy to influence the image recognition precision under the scenes of insufficient light, similar clothes color of the passengers or blocked posture of the passengers, and the like, so that the judgment of clothes conditions is deviated, and the accuracy and the comfort of the temperature control effect are finally influenced. Disclosure of Invention In view of the above, embodiments of the present application are directed to an in-vehicle temperature control method, medium, vehicle and product, so as to achieve the purpose of improving accuracy and reliability of determining the thickness of the clothing of an occupant. In a first aspect, an embodiment of the present application provides an in-vehicle temperature control method, including detecting temperature change information of a contact surface between a seat and an occupant in a target time window when a seat heating function of a vehicle is turned on, determining a heat radiation influence degree of occupant clothes on the contact surface in the target time window based on the temperature change information, determining an actual thickness of the occupant clothes according to the heat radiation influence degree, and controlling an in-vehicle temperature control system to operate based on the actual thickness. According to the embodiment of the application, the strong correlation between the temperature change condition of the contact surface between the passenger and the seat and the thickness of the clothing of the passenger is utilized, the temperature change information of the contact surface is determined under the condition that the heating function of the seat is started, the heat radiation influence degree of the clothing of the passenger on the contact surface is reflected through the temperature change information, and the actual thickness of the clothing is accurately determined, so that the problem that the accuracy is insufficient due to the influence of environmental factors when the clothing condition of the passenger is judged by adopting a camera image recognition mode is solved, the passenger information cannot be leaked, the safety and the reliability of judging the clothing thickness of the passenger are improved, and the temperature control system in the vehicle can carry out self-adaptive adjustment based on the thickness of the clothing, so that a more comfortable temperature environment is provided for the passenger. With reference to the first aspect, in some implementations of the first aspect, before determining the heat dissipation influence degree of the passenger clothes on the contact surface in the target time window based on the temperature change information, determining the total heat generated by heating the seat in the target time window, and determining the heat dissipation influence degree of the passenger clothes on the contact surface in the target time window based on the temperature change information includes calculating a ratio between the temperature change information corresponding to the target time window and the total heat to obtain a characteristic parameter representing the thermal response characteristic of the contact surface, and determining the heat dissipation influence degree of the passenger clothes on the contact surface in the target time window based on the characteristic parameter. The embodiment of the application combines the total heat output by the seat heating system and the temperature difference of the contact surface when determining the heat radiation influence degree, has more comprehensive consideration factors, is favorable for accurately calculating the characteristic parameters representing the thermal response characteristics and accurately determining the heat radiation influence degree based on the characteristic parameters, and can effectively eliminate the interference of power fluctuation on temperature change and ensure the stability and reliability of the evaluation of the heat radiation influence degree compared with the mode of determining the heat radiation influence degree only depending on temperature change information. Meanwhile, the temperature variation of the contact surface caused by unit he