CN-121973596-A - Method and device for adjusting internal heating environment of vehicle and vehicle

CN121973596ACN 121973596 ACN121973596 ACN 121973596ACN-121973596-A

Abstract

The application provides a method for adjusting internal thermal environment of a vehicle, a regulating device and the vehicle, and belongs to the technical field of vehicles; determining a current thermal inertia time constant of the vehicle according to the vehicle body parameters, the current external environment data of the vehicle and a preset mapping relation between the vehicle body parameters, the external environment data of the vehicle and the thermal inertia time constant of the vehicle, determining a current regulation strategy based on the current time, the current thermal inertia time constant of the vehicle and the user control data, and regulating the thermal environment in the vehicle according to the current regulation strategy. According to the application, the thermal environment in the vehicle can be regulated according to the thermal inertia time constant of the vehicle, and the energy consumption of the vehicle air conditioner can be reduced.

Inventors

Wang Geai
LI CHAO
ZHANG TONG
Meng Xingneng

Assignees

赛力斯汽车有限公司

Dates

Publication Date: 20260505
Application Date: 20260325

Claims (10)

1. A method of regulating an internal thermal environment of a vehicle, comprising: acquiring vehicle body parameters, user control data, current time and current external environment data of a vehicle; determining the current thermal inertia time constant of the vehicle according to the vehicle body parameters, the current external environment data of the vehicle and the preset mapping relation between the vehicle body parameters, the external environment data of the vehicle and the thermal inertia time constant of the vehicle; determining a current operation stage of the vehicle based on the current time, the current thermal inertia time constant of the vehicle, the user control data and a preset mapping relation among the current time, the user control data, the thermal inertia time constant and the operation stage of the vehicle; and determining a current regulation strategy based on the current running stage of the vehicle and a preset mapping relation between the running stage of the vehicle and the regulation strategy, and regulating the thermal environment in the vehicle according to the current regulation strategy.
2. The method of claim 1, wherein the plurality of operating phases preceding the predicted user boarding time are a thermal storage phase, a synergy phase, and a sprint phase in order from front to back in time sequence, the thermal inertia time constant of the vehicle comprising a plurality of zone thermal inertia time constants of the vehicle; If the user is not getting on the vehicle, determining the current operation stage of the vehicle based on the current time, the current thermal inertia time constant of the vehicle, the user control data, and the preset mapping relationship among the current time, the user control data, the thermal inertia time constant and the operation stage of the vehicle, including: Determining a time threshold of the heat storage stage, a time threshold of the coordination stage and a time threshold of the sprint stage according to the thermal inertia time constants of a plurality of areas of the vehicle, the expected user boarding time, and the preset mapping relation between the thermal inertia time constants of each area of the vehicle and the expected user boarding time; and comparing the current time with the time threshold of the heat storage stage, the time threshold of the cooperative stage and the time threshold of the sprint stage respectively to determine the current running stage of the vehicle.
3. The method for conditioning an internal thermal environment in a vehicle according to claim 2, wherein, The time threshold of the heat storage stage is determined according to the predicted user boarding time, the maximum value of the thermal inertia time constants of each region of the vehicle, and the preset mapping relation among the predicted user boarding time, the maximum value of the thermal inertia time constants of each region and the time threshold of the heat storage stage; The time threshold of the cooperative phase is determined according to the estimated user boarding time, the average value of the thermal inertia time constants of each region of the vehicle, and the preset mapping relation among the estimated user boarding time, the average value of the thermal inertia time constants of each region and the time threshold of the cooperative phase; And the time threshold of the sprint stage is determined according to the predicted user boarding time, the minimum value in the thermal inertia time constant of each area of the vehicle, and the preset mapping relation among the predicted user boarding time, the minimum value in the thermal inertia time constant of each area and the time threshold of the sprint stage.
4. A method of adjusting the thermal environment in a vehicle according to claim 2 or 3, wherein determining the current adjustment strategy based on the current operation phase of the vehicle and a preset mapping between the operation phase of the vehicle and the adjustment strategy comprises: determining a current air conditioner operation power weighting coefficient and a current temperature difference weighting coefficient according to the current operation stage of the vehicle; Weighting an air conditioner power evaluation item of a preset initial decision function through the air conditioner operation power weighting coefficient, and weighting a temperature difference evaluation item of the preset initial decision function through the temperature difference weighting coefficient to obtain a dynamic decision function; Determining a current adjustment strategy based on the dynamic decision function; The temperature difference evaluation item represents the difference between the set temperature in the vehicle and the current temperature in the vehicle, the air conditioner power evaluation item represents the power consumption of the air conditioner, the air conditioner operation power weighting coefficient in the heat storage stage is larger than the temperature difference weighting coefficient, and the air conditioner operation power weighting coefficient in the sprint stage is smaller than the temperature difference weighting coefficient.
5. The method of claim 1, wherein the operating phase of the vehicle includes an air conditioning early-shut-off phase in which the air conditioning of the vehicle is shut off, in time sequence, before an estimated stopping time after the vehicle has completed operating; If the user gets on the vehicle, determining the current operation stage of the vehicle based on the current time, the current thermal inertia time constant of the vehicle, the user control data, and the preset mapping relationship between the current time, the user control data, the thermal inertia time constant and the operation stage of the vehicle, including: Determining a time threshold value of the air conditioner in an early closing stage according to the estimated parking time, the current thermal inertia time constant and a preset mapping relation among the estimated parking time, the current thermal inertia time constant and the time threshold value of the air conditioner in the early closing stage; and comparing the current time with a time threshold value of the air conditioner in an early closing stage to determine the current running stage of the vehicle.
6. The method of claim 5, wherein the thermal inertia time constant of the vehicle comprises a plurality of zone thermal inertia time constants of the vehicle, The time threshold value of the air conditioner early closing stage is determined according to the predicted parking time, the regional thermal inertia time constant and the weighting coefficient of the regional thermal inertia time constant, and the preset mapping relation among the predicted parking time, the regional thermal inertia time constant, the weighting coefficient of the regional thermal inertia time constant and the time threshold value of the air conditioner early closing stage; the weighting coefficients of the thermal inertia time constants of the areas respectively represent the influence of the areas of the vehicle on the temperature sensitivity of the user.
7. The method of claim 5, wherein the thermal inertia time constant of the vehicle comprises a plurality of zone thermal inertia time constants of the vehicle, the time threshold for the early air conditioning off phase comprises a zone early air conditioning off phase time threshold for each of the plurality of zones of the vehicle, The time threshold of the early closing stage of the regional air conditioner is obtained by determining according to the predicted parking time, the regional thermal inertia time constant and the preset mapping relation among the predicted parking time, the regional thermal inertia time constant and the time threshold of the early closing stage of the regional air conditioner; And when the current time is compared with the time threshold value of the air conditioner early closing stage, respectively comparing the current time with the time threshold value of each regional air conditioner early closing stage so as to determine the current operation stage of each region.
8. The method of claim 1, wherein the thermal inertia time constant of the vehicle comprises a plurality of zone thermal inertia time constants of the vehicle, the method of adjusting the internal thermal environment of the vehicle further comprising: And adjusting the regional air conditioning air volume of the vehicle according to the regional thermal inertia time constant, wherein the regional thermal inertia time constant is inversely related to the regional air conditioning air volume mapped by the regional thermal inertia time constant.
9. A device for regulating and controlling the internal heating environment of a vehicle is characterized in that, The acquisition module acquires vehicle body parameters, user control data, current time and current external environment data of the vehicle, and The control module is used for determining a current regulation strategy based on the current operation stage of the vehicle and a preset mapping relation between the operation stage of the vehicle and the regulation strategy, and regulating the thermal environment in the vehicle according to the current regulation strategy; The current running stage of the vehicle is determined based on the current time, the current thermal inertia time constant of the vehicle, the user control data and the preset mapping relation among the current time, the user control data, the thermal inertia time constant and the running stage of the vehicle, and the current thermal inertia time constant of the vehicle is determined according to the vehicle body parameters, the current external environment data of the vehicle and the preset mapping relation among the vehicle body parameters, the external environment data of the vehicle and the thermal inertia time constant of the vehicle.
10. A vehicle comprising an air conditioning system that implements the method for regulating the internal thermal environment of a vehicle according to any one of claims 1 to 8, or is provided with the device for regulating the internal thermal environment of a vehicle according to claim 9.

Description

Method and device for adjusting internal heating environment of vehicle and vehicle Technical Field The present application relates to the technical field of vehicles, and in particular, to a method and an apparatus for adjusting an internal thermal environment of a vehicle, and a vehicle. Background Vehicles are often equipped with air conditioning to regulate the thermal environment within the vehicle and improve user comfort. In the related art, the air conditioner has higher energy consumption in the daily use process of the vehicle, and still has a space for further reducing the energy consumption. Disclosure of Invention The application provides a method and a device for adjusting and controlling an internal heating environment of a vehicle and the vehicle, which can reduce energy consumption of an air conditioner of the vehicle. The application provides a method for adjusting the internal thermal environment of a vehicle, which comprises the following steps: acquiring vehicle body parameters, user control data, current time and current external environment data of a vehicle; determining the current thermal inertia time constant of the vehicle according to the vehicle body parameters, the current external environment data of the vehicle and the preset mapping relation between the vehicle body parameters, the external environment data of the vehicle and the thermal inertia time constant of the vehicle; determining a current operation stage of the vehicle based on the current time, the current thermal inertia time constant of the vehicle, the user control data and a preset mapping relation among the current time, the user control data, the thermal inertia time constant and the operation stage of the vehicle; and determining a current regulation strategy based on the current running stage of the vehicle and a preset mapping relation between the running stage of the vehicle and the regulation strategy, and regulating the thermal environment in the vehicle according to the current regulation strategy. According to the application, the operation stage of the vehicle can be determined according to the thermal inertia time constant of the vehicle, and the adjustment strategy is determined according to the current operation stage, so that the air conditioner of the vehicle is started or closed in advance, the thermal environment in the vehicle is adjusted, the thermal inertia of the vehicle is brought into the control factor of the air conditioner, the adjustment of the thermal environment in the vehicle is more accurate, the waste of the power of the air conditioner is avoided, and the energy consumption of the air conditioner of the vehicle is reduced. The operation stage of the vehicle is obtained according to the thermal inertia time constant, namely, the time for starting or stopping the air conditioner of the vehicle in advance is determined according to the thermal inertia time constant of the vehicle. Before a user gets on the vehicle, the vehicle air conditioner is started in advance to pre-cool or preheat the internal environment of the vehicle, and under the condition that the set temperature is the same, the power peak value of the air conditioner is reduced, and the energy consumption of the air conditioner is reduced. Before the vehicle stops running, the vehicle air conditioner is turned off in advance, and the internal heating environment of the vehicle can be still stable at a proper temperature before a user gets off due to the influence of the thermal inertia of the vehicle, so that the energy consumption of the vehicle air conditioner is reduced. Optionally, the plurality of operation phases before the time of the user is expected to get on, and the thermal inertia time constant of the vehicle comprises a plurality of area thermal inertia time constants of the vehicle, wherein the plurality of operation phases are a heat storage phase, a cooperation phase and a sprint phase sequentially from front to back along the time sequence; If the user is not getting on the vehicle, determining the current operation stage of the vehicle based on the current time, the current thermal inertia time constant of the vehicle, the user control data, and the preset mapping relationship among the current time, the user control data, the thermal inertia time constant and the operation stage of the vehicle, including: Determining a time threshold of the heat storage stage, a time threshold of the coordination stage and a time threshold of the sprint stage according to the thermal inertia time constants of a plurality of areas of the vehicle, the expected user boarding time, and the preset mapping relation between the thermal inertia time constants of each area of the vehicle and the expected user boarding time; and comparing the current time with the time threshold of the heat storage stage, the time threshold of the cooperative stage and the time threshold of the sprint stage respectively to determine the curre