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CN-121989613-A - Method and device for determining target heat source, storage medium and electronic equipment

CN121989613ACN 121989613 ACN121989613 ACN 121989613ACN-121989613-A

Abstract

The embodiment of the application provides a method and a device for determining a target heat source, a storage medium and electronic equipment, wherein the method comprises the steps of determining a temperature requirement value of a target object, and determining the temperature requirement of the target object according to the temperature requirement value, wherein the temperature requirement comprises one of a refrigeration requirement, a comfort requirement and a heating requirement, determining a temperature grade of an environment temperature under the condition that the temperature requirement is the heating requirement, determining a candidate heat source set according to the temperature grade, and determining one or more target heat sources in the candidate heat source set according to the heat source temperature.

Inventors

  • Wan tengfei
  • ZHANG ZHOULI
  • LIU LEI
  • LIN ZUQING
  • Yao Pufeng
  • ZHANG ZHEN

Assignees

  • 上海汽车集团股份有限公司

Dates

Publication Date
20260508
Application Date
20241105

Claims (17)

  1. 1. A method of determining a target heat source, comprising: determining a temperature demand value of a target object, and determining the temperature demand of the target object according to the temperature demand value, wherein the temperature demand comprises one of refrigeration demand, comfort demand and heating demand; determining a temperature level of an ambient temperature and determining a candidate heat source set according to the temperature level when the temperature requirement is a heating requirement; One or more target heat sources are determined in the candidate heat source set according to heat source temperature.
  2. 2. The method of claim 1, wherein determining a set of candidate heat sources from the temperature level comprises: Under the condition that the temperature level is a first temperature level, determining the candidate heat source set as a first candidate heat source set, wherein the first candidate heat source set comprises an air heat source and a motor heat source; determining the candidate heat source set as a second candidate heat source set under the condition that the temperature level is a second temperature level, wherein the second candidate heat source set comprises an air heat source, a motor heat source, a battery heat source and a short cycle; And under the condition that the temperature level is a third temperature level, determining the candidate heat source set as a third candidate heat source set, wherein the third candidate heat source set comprises a motor heat source, a battery heat source and a short cycle.
  3. 3. The method of claim 2, wherein, in the event that the candidate heat source set is the first candidate heat source set, determining one or more target heat sources in the candidate heat source set as a function of heat source temperature comprises: determining a first temperature difference between a motor water temperature and the ambient temperature, and determining whether the first temperature difference is greater than or equal to a first preset threshold, wherein the heat source temperature comprises the motor water temperature; determining that the target heat source is the motor heat source under the condition that the first temperature difference value is greater than or equal to the first preset threshold value; Determining whether the first temperature difference is greater than or equal to a second magnitude relation of a second preset threshold when the first temperature difference is less than the first preset threshold; Determining that the target heat source is the motor heat source and the air heat source under the condition that the first temperature difference value is greater than or equal to the second preset threshold value; and under the condition that the first temperature difference value is smaller than the second preset threshold value, determining that the target heat source is the air heat source.
  4. 4. The method of claim 2, wherein, in the event that the candidate set of heat sources is the second candidate set of heat sources or the third candidate set of heat sources, determining one or more target heat sources in the candidate set of heat sources as a function of the heat source temperature comprises: Determining a usage pattern of each heat source in the candidate heat source set, wherein the usage pattern comprises one of single use, combined use and non-use; One or more target heat sources are determined in the candidate heat source set according to the use mode of each heat source in the candidate heat source set.
  5. 5. The method of claim 4, wherein determining a manner of use of each heat source in the set of candidate heat sources comprises: the manner of use of the battery heat source is determined by: Determining whether a battery temperature is greater than or equal to a preset minimum temperature, wherein the heat source temperature comprises the battery temperature; under the condition that the battery temperature is smaller than the preset minimum temperature, determining that the battery heat source is not used; Determining a first low pressure corresponding to the air heat source according to the speed of a target vehicle and the environmental temperature when the battery temperature is greater than or equal to the preset minimum temperature, wherein the target object has an association relationship with the target vehicle; Determining a second low pressure corresponding to a heat source of the motor according to the motor water temperature, wherein the heat source temperature comprises the motor water temperature; determining a third low pressure corresponding to the battery heat source and a fourth low pressure corresponding to a short cycle according to the battery temperature; and determining the use mode of the battery heat source according to the first low pressure, the second low pressure, the third low pressure and the fourth low pressure.
  6. 6. The method of claim 5, wherein determining a manner of use of the battery heat source based on the first low pressure, the second low pressure, the third low pressure, and the fourth low pressure comprises: when the third low pressure is greater than or equal to the first low pressure, the third low pressure is greater than or equal to the second low pressure, and the third low pressure is greater than or equal to the fourth low pressure, determining that the battery heat source is used independently; and determining that the use mode of the battery heat source is combined use under the condition that the third low pressure is smaller than the first low pressure, the third low pressure is smaller than the second low pressure and the third low pressure is larger than or equal to the fourth low pressure.
  7. 7. The method of claim 4, wherein, in the event that the candidate set of heat sources is the second candidate set of heat sources, determining a manner of use for each heat source in the candidate set of heat sources comprises: the method for using the motor heat source is determined by the following steps: When the water temperature of the motor is greater than or equal to a second preset threshold value and the use mode of the battery heat source is not used, determining that the use mode of the motor heat source is independent; when the water temperature of the motor is greater than or equal to a second preset threshold value and the use mode of the battery heat source is combined, determining that the use mode of the motor heat source is combined; determining that the use mode of the motor heat source is combined use under the condition that the first temperature difference value is in a first threshold range and the use mode of the battery heat source is not used, wherein the first temperature difference value is a first temperature difference value between the motor water temperature and the environment temperature; and under the condition that the water temperature of the motor is in the second threshold range, determining that the use mode of the motor heat source is not used.
  8. 8. The method of claim 4, wherein, in the event that the candidate set of heat sources is the second candidate set of heat sources, determining a manner of use for each heat source in the candidate set of heat sources comprises: the manner of use of the air heat source is determined by: Under the condition that the using modes of the battery heat source and the motor heat source are not used, determining that the using mode of the air heat source is independent; in the case where the battery heat source and/or the motor heat source are used in combination, Determining a first low pressure corresponding to the air heat source according to the speed of the target vehicle and the ambient temperature, and determining a fourth low pressure corresponding to short circulation; And determining that the use mode of the air heat source is combined use under the condition that the first low pressure is larger than or equal to the fourth low pressure, the second temperature difference is smaller than a third preset threshold, and the actual air outlet temperature of the target vehicle does not meet the temperature requirement value, wherein the second temperature difference is a difference value between the water temperature of the motor and the environment temperature or a difference value between the temperature of the battery and the environment temperature.
  9. 9. The method of claim 4, wherein, in the event that the candidate set of heat sources is the second candidate set of heat sources, determining a manner of use for each heat source in the candidate set of heat sources comprises: the way in which the short cycle is used is determined by: And determining that the short-cycle use mode is combined use under the condition that the use mode of the battery heat source and/or the motor heat source and/or the air heat source is combined use and the actual air outlet temperature of the target vehicle does not meet the temperature requirement value.
  10. 10. The method of claim 4, wherein, in the case where the candidate set of heat sources is the third candidate set of heat sources, determining a manner of use of each heat source in the candidate set of heat sources comprises: the method for using the motor heat source is determined by the following steps: When the water temperature of the motor is greater than or equal to a fourth preset threshold value and the use mode of the battery heat source is not used, determining that the use mode of the motor heat source is independent; And determining that the use mode of the motor heat source is combined when the motor water temperature is greater than or equal to a fourth preset threshold value and the use mode of the battery heat source is combined, and determining that the use mode of the motor heat source is combined when the motor water temperature is within a third threshold value range.
  11. 11. The method of claim 4, wherein, in the case where the candidate set of heat sources is the third candidate set of heat sources, determining a manner of use of each heat source in the candidate set of heat sources comprises: the way in which the short cycle is used is determined by: under the condition that the using modes of the battery heat source and the motor heat source are not used, determining that the using mode of the short cycle is independent; and determining that the use mode of the short cycle is combined use when the use modes of the battery heat source and/or the motor heat source are combined use.
  12. 12. The method of claim 1, wherein determining the temperature requirement of the target object comprises: Determining a basic temperature demand value of the target object according to the temperature in the vehicle, the ambient temperature and the expected temperature of the target object; determining a corrected temperature demand value of the target object according to the amount of sunlight; And determining a temperature demand value of the target object according to the basic temperature demand value and the corrected temperature demand value.
  13. 13. The method of claim 1, wherein determining the temperature demand of the target object from the temperature demand value comprises: Determining the temperature demand of the target object as a refrigeration demand in the case that the temperature demand value is smaller than a first demand value; Determining the temperature demand of the target object as a comfort demand in the case that the temperature demand is greater than or equal to a first demand value and less than a second demand value; And determining the temperature requirement of the target object as a heating requirement in the case that the temperature requirement value is greater than or equal to a second requirement value.
  14. 14. The method of claim 1, wherein after determining one or more target heat sources in the candidate heat source set based on heat source temperature, the method further comprises: In the case where the target heat source includes an air heat source, controlling heat release through a passenger compartment heat release circuit and an air heat source circuit, wherein the passenger compartment heat release circuit includes: The air heat source loop comprises an outdoor heat exchanger electronic expansion valve connected with the indoor condenser in series, and an outdoor heat exchanger connected with the outdoor heat exchanger electronic expansion valve in series, wherein the outdoor heat exchanger is connected with the compressor in series; In the case of a motor heat source, releasing heat is controlled through the passenger cabin heat release circuit and a motor heat source circuit, wherein the motor heat source circuit comprises a refrigerator electronic expansion valve connected with the indoor condenser in series, a refrigerator connected with the refrigerator electronic expansion valve in series, a six-way valve connected with the refrigerator in series, a motor water pump connected with the six-way valve in series, a motor connected with the motor water pump in series, a six-way valve connected with the motor in series, a battery water pump connected with the six-way valve in series, and a refrigerator connected with the battery water pump in series, and the refrigerator is connected with the compressor in series; In the case where the target heat source includes a battery heat source, controlling heat release through the passenger compartment heat release circuit and the battery heat source circuit, wherein the battery heat source circuit includes: A refrigerator electronic expansion valve connected with the indoor condenser in series, a refrigerator connected with the refrigerator electronic expansion valve in series, a battery connected with the refrigerator in series, a six-way valve connected with the battery in series, a battery water pump connected with the six-way valve in series, and a refrigerator connected with the battery water pump in series, wherein the refrigerator is connected with the compressor in series; In the case of a short cycle, the heat release is controlled by the passenger cabin heat release circuit and a short cycle circuit, wherein the short cycle circuit comprises a refrigerator electronic expansion valve connected in series with the indoor condenser, a refrigerator connected in series with the refrigerator electronic expansion valve, a compressor electronic expansion valve connected in series with the refrigerator, and a compressor, and the compressor electronic expansion valve is connected in parallel with the compressor.
  15. 15. A target heat source determining apparatus, comprising: The first determining module is used for determining a temperature demand value of a target object and determining the temperature demand of the target object according to the temperature demand value, wherein the temperature demand comprises one of refrigeration demand, comfort demand and heating demand; The second determining module is used for determining the temperature grade of the environment temperature and determining a candidate heat source set according to the temperature grade under the condition that the temperature requirement is a heating requirement; A third determination module for determining one or more target heat sources in the candidate heat source set according to heat source temperature.
  16. 16. A computer readable storage medium, characterized in that the computer readable storage medium comprises a stored program, wherein the program when run performs the method of any one of claims 1 to 14.
  17. 17. An electronic device comprising a memory and a processor, wherein the memory has stored therein a computer program, the processor being arranged to perform the method of any of claims 1 to 14 by means of the computer program.

Description

Method and device for determining target heat source, storage medium and electronic equipment Technical Field The application relates to the field of automation, in particular to a method and a device for determining a target heat source, a storage medium and electronic equipment. Background From the appearance of 90 years of electric automobiles in the last century, the importance of the electric automobiles in the automobile market is continuously improved, but the problem of continuous voyage attenuation of the electric automobiles at low temperature is difficult to radically solve all the time, and the reason is that the battery discharge capacity at low temperature is reduced and the heating technology of an air conditioner adopting a positive temperature coefficient thermistor (Positive Temperature Coefficient, abbreviated as PTC) has high energy consumption. As one of the main factors of low-temperature endurance attenuation, the air conditioning technology of electric vehicles is continuously developed. In 2013, the first Model S Model of Tesla adopts motor waste heat to heat a passenger cabin, announces that the air conditioning technology of the electric automobile enters the era of waste heat utilization, and greatly reduces the energy consumption of the air conditioner. However, with the increase of available waste heat sources, how to precisely control waste heat among different heat sources and use the waste heat sources in a combined way, so that the thermal comfort of the passenger cabin is met to the maximum extent, and the problem at the present stage is solved. Aiming at the problem of how to accurately select a heat source in the prior art, no effective solution is proposed at present. Accordingly, there is a need for improvements in the related art to overcome the drawbacks of the related art. Disclosure of Invention The embodiment of the application provides a method and a method for determining a target heat source, a storage medium and electronic equipment, which at least solve the problem of how to accurately select the heat source in the prior art. According to one embodiment of the application, a method for determining a target heat source is provided, which comprises the steps of determining a temperature requirement value of a target object and determining the temperature requirement of the target object according to the temperature requirement value, wherein the temperature requirement comprises one of refrigeration requirement, comfort requirement and heating requirement, determining a temperature grade of an environment temperature when the temperature requirement is the heating requirement and determining a candidate heat source set according to the temperature grade, and determining one or more target heat sources in the candidate heat source set according to the heat source temperature. In one exemplary embodiment, determining a candidate heat source set according to the temperature level comprises determining that the candidate heat source set is a first candidate heat source set if the temperature level is a first temperature level, wherein the first candidate heat source set comprises an air heat source and a motor heat source, determining that the candidate heat source set is a second candidate heat source set if the temperature level is a second temperature level, wherein the second candidate heat source set comprises an air heat source, a motor heat source, a battery heat source and a short cycle, and determining that the candidate heat source set is a third candidate heat source set if the temperature level is a third temperature level, wherein the third candidate heat source set comprises a motor heat source, a battery heat source and a short cycle. In one exemplary embodiment, in the case that the candidate heat source set is the first candidate heat source set, determining one or more target heat sources in the candidate heat source set according to a heat source temperature comprises determining a first temperature difference between a motor water temperature and the ambient temperature and determining whether the first temperature difference is greater than or equal to a first preset threshold, wherein the heat source temperature comprises determining that the target heat source is the motor heat source in the case that the first temperature difference is greater than or equal to the first preset threshold, determining that the first temperature difference is less than the first preset threshold and determining that the first temperature difference is greater than or equal to a second preset threshold in the case that the first temperature difference is greater than or equal to the second preset threshold, and determining that the target heat source is the motor heat source and the air heat source in the case that the first temperature difference is less than the second preset threshold. In one exemplary embodiment, where the candidate heat source set is the se