CN-122009495-A - Temperature control method and device, electronic equipment and storage medium

CN122009495ACN 122009495 ACN122009495 ACN 122009495ACN-122009495-A

Abstract

The application provides a temperature control method, a device, electronic equipment and a storage medium, and relates to the technical field of air conditioners of aircrafts, wherein the method comprises the steps of obtaining a group of input parameters, wherein the group of input parameters comprise an ambient temperature, a temperature setting signal and a defrosting demand signal, the defrosting demand signal is used for indicating whether defrosting needs to be started or not, the temperature setting signal comprises a signal of a functional gear, and the functional gear comprises a refrigerating gear, a middle gear and a heating gear; and controlling an air conditioning system of the aircraft according to the target operation mode to adjust the temperature in a cabin of the aircraft, wherein the heat pump air conditioning system comprises a compressor, an indoor heat exchanger, an outdoor heat exchanger, an expansion valve and a four-way valve. By implementing the technical scheme of the application, the reliability of the air conditioning system of the aircraft is improved.

Inventors

WANG YINGMING
ZHANG ZHUO
LI CHANG
ZHOU ZHEN
WANG WENTAO
GAI WENYAN
YOU LIGUO
XIE TENGFEI

Assignees

北京安达维尔航空设备有限公司

Dates

Publication Date: 20260512
Application Date: 20260403

Claims (10)

1. A method of temperature control for an aircraft air conditioning system including a heat pump air conditioning system without a damper, the method comprising: acquiring a group of input parameters, wherein the group of input parameters comprise an ambient temperature, a temperature setting signal and a defrosting demand signal, the defrosting demand signal is used for indicating whether defrosting needs to be started or not, the temperature setting signal comprises a signal of a functional gear, and the functional gear comprises a refrigerating gear, a middle gear and a heating gear; Automatically selecting a corresponding target operation mode according to the group of input parameters, wherein the target operation mode at least comprises a refrigeration mode, a heat pump heating mode, a ventilation mode and a defrosting mode; and controlling the air conditioning system of the aircraft according to the target operation mode so as to regulate the temperature in the cabin of the aircraft, wherein the heat pump air conditioning system comprises a compressor, an indoor heat exchanger, an outdoor heat exchanger, an expansion valve and a four-way valve.
2. The method of claim 1, wherein controlling the aircraft air conditioning system to regulate an aircraft cabin temperature according to the target operating mode comprises: and adjusting at least one of the rotating speed of the compressor, the opening of the expansion valve, the running state of the four-way valve and the duty ratio of the condenser fan according to the target running mode to realize target temperature control.
3. The method of claim 1, wherein the step of determining the position of the substrate comprises, The outlet of the compressor is connected with the first port of the four-way valve, the second port of the four-way valve is connected with one end of the outdoor heat exchanger, the other end of the outdoor heat exchanger is connected with one end of the indoor heat exchanger through the expansion valve, the other end of the indoor heat exchanger is connected with the third port of the four-way valve, and the fourth port of the four-way valve is connected with the inlet of the compressor through the gas-liquid separator; The indoor heat exchanger is provided with an evaporation fan for driving air in the cabin to flow through the indoor heat exchanger, and the outdoor heat exchanger is provided with a condenser fan for driving external air to flow through the outdoor heat exchanger; The four-way valve is used for switching the flow direction of the refrigerant so as to realize refrigeration or heating.
4. The method of claim 1, wherein automatically selecting a corresponding target operating mode based on the set of input parameters comprises: When the defrosting demand signal indicates that defrosting needs to be started, a first defrosting mode is selected, wherein the defrosting mode comprises a first defrosting mode, and the first defrosting mode is used for indicating a mode of starting a heat pump air conditioner to defrost; when the defrost demand signal indicates that defrost does not need to be initiated, one of the following operations is performed: When the environmental temperature is smaller than a second preset temperature threshold, selecting the heat pump heating mode if the temperature setting signal is the heating gear; if the temperature setting signal is the signal of the refrigeration gear or the middle gear, selecting the ventilation mode; and under the condition that the ambient temperature is greater than the second preset temperature threshold, selecting the heat pump heating mode if the temperature setting signal is the heating gear, selecting the cooling mode if the temperature setting signal is the signal of the cooling gear, and selecting the ventilation mode if the temperature setting signal is the signal of the intermediate gear.
5. The method of claim 1, wherein the aircraft air conditioning system further comprises a PTC auxiliary heater, the target operating mode further comprises a PTC heating mode, a second defrost mode, a thermal defogging and cooling dehumidification mode, the PTC heating mode being preferentially selected when the ambient temperature is below a first preset temperature threshold, the second defrost mode being indicative of a mode of turning on the PTC auxiliary heater for defrosting, the thermal defogging and cooling dehumidification mode being indicative of both the cooling mode and the PTC heating mode being turned on; The heating gear comprises a low gear, a middle gear, a HIGH gear and a HIGH gear, wherein the HIGH gear is used for triggering the PTC auxiliary heater to start.
6. The method of claim 5, wherein automatically selecting a corresponding target operating mode based on the set of input parameters comprises: Under the condition that the defrosting demand signal indicates that defrosting needs to be started, selecting a second defrosting mode if the ambient temperature is smaller than or equal to a second preset temperature threshold value, and selecting the thermal defogging and refrigerating dehumidification mode if the ambient temperature is larger than the second preset temperature threshold value; if the defrosting demand signal indicates that defrosting is not required to be started, selecting the PTC heating mode if the temperature setting signal is a signal of the HIGH range and/or the ambient temperature is less than or equal to the first preset temperature threshold; When the defrost demand signal indicates that defrost is not required to be initiated and the temperature setting signal is not a signal for the HIGH range, one of the following operations is performed: Selecting the heat pump heating mode under the condition that the ambient temperature is greater than the first preset temperature threshold and less than or equal to the second preset temperature threshold; When the environmental temperature is greater than the second preset temperature threshold and less than a third preset temperature threshold, selecting the heat pump heating mode if the temperature setting signal is the heating range signal; if the temperature setting signal is the signal of the refrigerating gear, selecting the refrigerating mode; if the temperature setting signal is the signal of the intermediate gear, selecting the ventilation mode; and selecting the refrigeration mode under the condition that the ambient temperature is greater than the third preset temperature threshold value.
7. The method of claim 2, wherein the step of determining the position of the substrate comprises, The method for adjusting the rotating speed of the compressor by adopting the PID algorithm comprises the steps of taking a difference value between the target temperature and the actual temperature of the air on the surface of a core body of the indoor heat exchanger as input, and enabling the rotating speed of the compressor to be increased faster as the deviation is larger and the proportional term output is larger; The PID algorithm is adopted to adjust the opening of the expansion valve, wherein the actual superheat degree and the target superheat degree of the refrigerant at the outlet of the indoor heat exchanger are taken as inputs, and when the actual superheat degree is larger than the target superheat degree, the proportional term drives the expansion valve to increase the opening; The method comprises the steps of presetting a first duty ratio corresponding to the upper pressure limit value of a compressor and a second duty ratio corresponding to the lower pressure limit value, calculating a target duty ratio corresponding to the current pressure value through a linear interpolation method for adjusting the condenser fan, wherein the upper pressure limit value and the lower pressure limit value respectively represent the upper discharge pressure limit value and the lower discharge pressure limit value of the compressor when the condenser fan is in a refrigerating mode, and the upper pressure limit value and the lower pressure limit value respectively represent the upper suction pressure limit value and the lower suction pressure limit value of the compressor when the condenser fan is in a heating mode of a heat pump.
8. A temperature control device for performing the temperature control method of any one of claims 1 to 7, the device comprising an aircraft air conditioning system, a temperature detection module, a user operation input module, and a control module, the control module being connected to the temperature detection module, the user operation input module, and the aircraft air conditioning system, respectively; The temperature detection module is used for collecting the ambient temperature and transmitting the ambient temperature to the control module, and the user operation input module obtains the temperature setting signal and the defrosting demand signal and transmits the temperature setting signal and the defrosting demand signal to the control module; The control module is used for acquiring a group of input parameters and automatically selecting a corresponding target operation mode according to the group of input parameters, wherein the group of input parameters comprise the ambient temperature, the temperature setting signal and the defrosting demand signal, and the target operation mode at least comprises a refrigeration mode, a heat pump heating mode, a ventilation mode and a defrosting mode; The control module is also used for controlling the air conditioning system of the aircraft according to the target operation mode so as to adjust the temperature in the cabin of the aircraft, and the heat pump air conditioning system comprises a compressor, an indoor heat exchanger, an outdoor heat exchanger, an expansion valve and a four-way valve.
9. An electronic device comprising a memory and a processor, the memory having stored thereon a computer program, characterized in that the processor, when executing the program, implements the method of any of claims 1 to 7.
10. A computer-readable storage medium, wherein the computer-readable storage medium stores instructions that, the method of any of claims 1 to 7 is performed when the instructions are executed.

Description

Temperature control method and device, electronic equipment and storage medium Technical Field The application relates to the technical field of air conditioners for aircrafts, in particular to a temperature control method, a temperature control device, electronic equipment and a storage medium. Background Aircraft, particularly small and medium sized aircraft, have very demanding weight, energy consumption and reliability requirements for their in-cabin environmental control systems. Conventional aircraft air conditioning systems typically employ separate cooling and heating units that cooperate with mechanical air dampers to mix different temperature airflows to achieve in-cabin temperature regulation. For example, cold air is generated by an independent evaporator assembly, hot air is generated by an electric heater or a combustion heater, and a throttle is used for adjusting the mixing proportion of the cold air and the hot air. The scheme has the advantages of complex system structure, multiple parts and large overall weight, and complicated control logic, and is unfavorable for the light weight and energy-saving design of the aircraft. In addition, the traditional air conditioner is single in temperature regulation mode, does not fully combine with the multi-parameter cooperative adaptation such as ambient temperature, defrosting requirement and the like, is high in energy consumption and limited in environmental adaptability, is difficult to consider the light weight, energy conservation and multi-working condition temperature regulation requirement, and cannot meet the core requirements of the aircraft on efficient and stable operation of an air conditioning system. Disclosure of Invention In order to solve the technical problems, the application provides a temperature control method, a temperature control device, electronic equipment and a storage medium. The application provides a temperature control method, which is applied to an air conditioning system of an aircraft, wherein the air conditioning system of the aircraft comprises a heat pump air conditioning system without a cold and hot air door, and the method comprises the steps of acquiring a group of input parameters, wherein the group of input parameters comprises an ambient temperature, a temperature setting signal and a defrosting demand signal, the defrosting demand signal is used for indicating whether defrosting needs to be started or not, the temperature setting signal comprises a signal of a functional gear, and the functional gear comprises a refrigerating gear, a middle gear and a heating gear; and controlling an air conditioning system of the aircraft according to the target operation mode to adjust the temperature in a cabin of the aircraft, wherein the heat pump air conditioning system comprises a compressor, an indoor heat exchanger, an outdoor heat exchanger, an expansion valve and a four-way valve. Through adopting above-mentioned technical scheme, obtain ambient temperature, temperature setting signal and defrosting demand signal, can combine the multi-parameter automatic selection refrigeration, heat pump heats, target operation modes such as ventilation and defrosting, use the heat pump air conditioning system control of no cold and warm air door to adjust aircraft cabin interior temperature, avoided traditional have the complicated, spare part many, weight is big, control logic loaded down with trivial details problem of cold and warm air door air conditioning system structure, realized lightweight and energy-conserving design, combine multi-parameter cooperation adaptation simultaneously, improved environmental suitability and reliability, satisfied aircraft to the demand of air conditioning system high efficiency, steady operation, reached the effect that improves aircraft air conditioning system's reliability. Optionally, controlling the air conditioning system of the aircraft according to the target operation mode to adjust the temperature in the cabin of the aircraft comprises adjusting at least one of the rotating speed of the compressor, the opening degree of the expansion valve, the operation state of the four-way valve and the duty ratio of the condenser fan according to the target operation mode to realize target temperature control. By adopting the technical scheme, the target operation mode is automatically selected according to a group of input parameters including the ambient temperature, the temperature setting signal and the defrosting demand signal, and at least one of the rotating speed of the compressor, the opening degree of the expansion valve, the operation state of the four-way valve and the duty ratio of the condenser fan is regulated according to the target operation mode, so that the system structure and the control logic can be simplified, the multi-working-condition temperature regulation is realized, the light weight, the energy saving performance and the multi-working-condition temperature re