Control method and device of heat pump system, medium, heat management controller and vehicle

Abstract

The invention discloses a control method and device of a heat pump system, a medium, a heat management controller and a vehicle. The heat pump system comprises a compressor, an air conditioning cabinet and a heater, the method comprises the steps that a preset temperature parameter and the actual air outlet temperature of the air conditioning cabinet are obtained, a set target temperature is obtained, and the preset temperature parameter is the environment temperature or the outlet water temperature; according to the preset temperature parameter and the set target temperature, the energy-saving critical rotating speed of the compressor is obtained; the target air outlet temperature of the air conditioning cabinet is determined, and whether a heater is started or not is determined according to the energy-saving critical rotation speed, the operation rotation speed of the compressor, the actual air outlet temperature and the target air outlet temperature; when it is determined that the heater is started, the heater is controlled to conduct heat compensation. According to the method, when the vehicle heat pump system is controlled, whether the heater is started to compensate heat or not is determined by considering the energy-saving critical rotating speed of the compressor, and the energy consumption of the whole vehicle can be improved.

Description

Technical Field

[0001] The present invention relates to the technical field of vehicles, and in particular to a control method, device and medium for a heat pump system, a thermal management controller, and a vehicle. Background Art

[0002] For a vehicle heat pump system, the compressor is used to do work to absorb heat from the air side or water side to supply heat to the passenger compartment. There is a situation where the heat supplied to the passenger compartment is insufficient in a low-temperature environment. At this time, it is generally necessary to turn on the PTC (Positive Temperature Coefficient Heater) to compensate for the heat to meet the air outlet temperature requirement of the passenger compartment. However, most of the PTC control strategies in the related art are set after the heating capacity of the heat pump system can no longer meet the requirements of the passenger compartment, and the PTC heating is turned on (for example, the heating capacity of the heat pump system causes the passenger compartment to not reach the target air outlet temperature value, or the compressor has reached the maximum operating speed), so that the heat pump system operates in a low-efficiency COP (Coefficient Of Performance) range. Summary of the Invention

[0003] The present invention aims to at least solve one of the technical problems in the related art to some extent. For this purpose, the first object of the present invention is to propose a control method for a heat pump system to improve the overall vehicle energy consumption.

[0004] The second object of the present invention is to propose a control device for a heat pump system.

[0005] The third object of the present invention is to propose a computer-readable storage medium.

[0006] The fourth object of the present invention is to propose a thermal management controller.

[0007] The fifth object of the present invention is to propose a vehicle.

[0008] To achieve the above object, an embodiment of the first aspect of the present invention proposes a control method for a heat pump system, the heat pump system includes a compressor, an air conditioner box, and a heater, and the method includes: obtaining a preset temperature parameter and the actual air outlet temperature of the air conditioner box, and obtaining a set target temperature, where the preset temperature parameter is the ambient temperature or the outlet water temperature; obtaining the energy-saving critical speed of the compressor according to the preset temperature parameter and the set target temperature; determining the target air outlet temperature of the air conditioner box, and determining whether to turn on the heater according to the energy-saving critical speed and the operating speed of the compressor, and the actual air outlet temperature and the target air outlet temperature; when it is determined to turn on the heater, controlling the heater to perform heat compensation.

[0009] In addition, the control method of the heat pump system according to the embodiment of the present invention may further have the following additional technical features:

[0010] According to an embodiment of the present invention, determining whether to turn on the heater according to the energy-saving critical speed, the operating speed of the compressor, the actual air outlet temperature, and the target air outlet temperature includes: determining whether the operating speed is greater than the energy-saving critical speed to obtain a first determination result; determining whether the difference between the target air outlet temperature and the actual air outlet temperature is greater than or equal to a first preset coefficient to obtain a second determination result, where the first preset coefficient is a positive number; and determining whether to turn on the heater according to the first determination result and the second determination result.

[0011] According to an embodiment of the present invention, determining whether to turn on the heater according to the first determination result and the second determination result includes: when the first determination result is yes and the second determination result is yes, determining to turn on the heater; when the first determination result is no and the second determination result is no, determining not to turn on the heater.

[0012] According to an embodiment of the present invention, determining whether to turn on the heater according to the first determination result and the second determination result further includes: when the first determination result is yes and the second determination result is no, or when the first determination result is no and the second determination result is yes, determining whether the operating speed is greater than or equal to a preset maximum speed to obtain a third determination result; and determining whether to turn on the heater according to the third determination result.

[0013] According to an embodiment of the present invention, when the first determination result is yes and the second determination result is no, determining whether to turn on the heater according to the third determination result includes: if the third determination result is yes, determining to turn on the heater and reducing the operating speed of the compressor to be less than the difference between the energy-saving critical speed and a second preset coefficient; if the third determination result is no, determining not to turn on the heater.

[0014] According to an embodiment of the present invention, when the first determination result is no and the second determination result is yes, determining whether to turn on the heater according to the third determination result includes: if the third determination result is yes, determining to turn on the heater; if the third determination result is no, increasing the operating speed of the compressor so that the difference between the target air outlet temperature and the actual air outlet temperature is less than the first preset coefficient, and determining whether the increased operating speed is greater than the energy-saving critical speed to obtain a fourth determination result, and determining whether to turn on the heater according to the fourth determination result.

[0015] According to an embodiment of the present invention, determining whether to turn on the heater according to the fourth determination result includes: if the fourth determination result is yes, determining to turn on the heater; if the fourth determination result is no, determining not to turn on the heater.

[0016] According to an embodiment of the present invention, controlling the heater to perform heat compensation includes: obtaining the target water temperature of the heater according to the difference between the target air outlet temperature and the actual air outlet temperature; performing PID calculation according to the difference between the target water temperature and the actual water temperature of the heater to obtain the compensation power of the heater, and controlling the heater according to the compensation power.

[0017] According to an embodiment of the present invention, when the heat pump system uses a pure motor waste heat source, the outlet water temperature is the water temperature at the motor outlet; when the heat pump system uses a pure battery waste heat source, the outlet water temperature is the water temperature at the battery outlet; when the heat pump system uses a dual waste heat source of motor and battery, the outlet water temperature is the water temperature at the outlet of the heat exchanger of the heat pump system that is closer to the outlet of the motor and the battery.

[0018] To achieve the above object, an embodiment of the second aspect of the present invention provides a control device for a heat pump system. The heat pump system includes a compressor, an air conditioning box, and a heater. The device includes: an acquisition module, configured to acquire a preset temperature parameter and the actual air outlet temperature of the air conditioning box, and acquire the set target temperature, where the preset temperature parameter is the ambient temperature or the outlet water temperature; a first determination module, configured to obtain the energy-saving critical speed of the compressor according to the preset temperature parameter and the set target temperature; a second determination module, configured to determine the target air outlet temperature of the air conditioning box, and determine whether to turn on the heater according to the energy-saving critical speed, the operating speed of the compressor, the actual air outlet temperature, and the target air outlet temperature; and a control module, configured to control the heater to perform heat compensation when it is determined to turn on the heater.

[0019] To achieve the above object, an embodiment of the third aspect of the present invention provides a computer-readable storage medium, on which a computer program is stored. When the computer program is executed by a processor, the control method of the heat pump system described above is implemented.

[0020] To achieve the above object, an embodiment of the fourth aspect of the present invention provides a thermal management controller, including a memory, a processor, and a computer program stored on the memory. When the computer program is executed by the processor, the control method of the heat pump system described above is implemented.

[0021] To achieve the above object, an embodiment of the fifth aspect of the present invention provides a vehicle, including: a heat pump system including a compressor, an air conditioning box, and a heater; and the above-mentioned thermal management controller.

[0022] According to the control method, device and medium of the heat pump system, the thermal management controller, and the vehicle according to the embodiments of the present invention, first, preset temperature parameters, the actual air outlet temperature of the air conditioning box, and a set target temperature are obtained. Then, an energy-saving critical speed is obtained based on the preset temperature parameters and the set target temperature. After that, the target air outlet temperature of the air conditioning box is determined, and whether to turn on the heater is determined according to the energy-saving critical speed, the operating speed of the compressor, the actual air outlet temperature, and the target air outlet temperature. Thus, by incorporating the energy-saving critical speed of the compressor into the control logic for turning on the heater, this method can reduce the situation where the compressor runs at too high a speed for heating, thereby improving the overall vehicle energy consumption.

[0023] Additional aspects and advantages of the present invention will be given in part in the following description, become apparent in part from the following description, or be learned through the practice of the present invention. Description of the Drawings

[0024] Figure 1 is a flowchart of the control method of the heat pump system according to the embodiment of the present invention;

[0025] Figure 2 is a flowchart of the control method of the heat pump system in an example of the present invention;

[0026] Figure 3 is a flowchart of the control method of the heat pump system in another example of the present invention;

[0027] Figure 4 is a structural block diagram of the control device of the heat pump system according to the embodiment of the present invention;

[0028] Figure 5 is a structural block diagram of the thermal management controller according to the embodiment of the present invention;

[0029] Figure 6 is a structural block diagram of the vehicle according to the embodiment of the present invention. Detailed Embodiments

[0030] The embodiments of the present invention will be described in detail below. Examples of the embodiments are shown in the drawings, where the same or similar reference numerals denote the same or similar elements or elements having the same or similar functions throughout. The embodiments described below by referring to the drawings are exemplary and are intended to explain the present invention, but should not be construed as limiting the present invention.

[0031] The control method, device and medium of the heat pump system, the thermal management controller, and the vehicle according to the embodiments of the present invention will be described below with reference to the drawings.

[0032] Figure 1 It is a flowchart of the control method of the heat pump system according to an embodiment of the present invention.

[0033] In this embodiment, the heat pump system can be used for a vehicle, including a compressor, an air conditioning box, and a heater. The control method of the heat pump system can be executed by the thermal management controller of the vehicle. Among them, the heater can be an electric heater.

[0034] As Figure 1 shown, the control method of the heat pump system includes:

[0035] S11, obtain the preset temperature parameter and the actual air outlet temperature of the air conditioning box, and obtain the set target temperature.

[0036] Among them, the preset temperature parameter can be the ambient temperature or the outlet water temperature.

[0037] Specifically, the ambient temperature can be detected by a temperature sensor set outside the vehicle body, or obtained through networking. The outlet water temperature can be the water temperature at the outlet of the motor or the water temperature at the outlet of the battery. For example, when the heat pump system uses the waste heat of the pure motor as the heat source, the outlet water temperature is the water temperature at the outlet of the motor; when the heat pump system uses the waste heat of the pure battery as the heat source, the outlet water temperature is the water temperature at the outlet of the battery; when the heat pump system uses the dual waste heat sources of the motor and the battery, the outlet water temperature is the water temperature at the outlet of the motor and the outlet of the battery that is closer to the heat exchanger of the heat pump system. The outlet water temperature can be detected by a temperature sensor set at the corresponding outlet. The actual air outlet temperature of the air conditioning box can be detected by a temperature sensor set at the air outlet of the air conditioning box or in the air duct close to the air outlet. The set target temperature can be the cabin target temperature set by the user received through the in-vehicle terminal of the vehicle.

[0038] S12, obtain the energy-saving critical speed of the compressor according to the preset temperature parameter and the set target temperature.

[0039] Specifically, the change trend curves of the heat output increase of the heat pump system and the power consumption increase of the thermal management system with the increase of the compressor speed under different preset temperature parameter conditions of the heat pump system can be found in advance. At each preset temperature parameter working condition point, there is an intersection point of the change curves of the heat output increase of the heat pump system and the power consumption increase of the thermal management system. The compressor speed corresponding to the intersection point of these two change curves is defined as the energy-saving critical speed of the compressor. Thus, the corresponding relationship between the preset temperature parameter, the set target temperature, and the energy-saving critical speed of the compressor can be established and stored (such as stored in the form of a table). Furthermore, when in use, the energy-saving critical speed of the compressor can be obtained by calling this preset relationship according to the preset temperature parameter and the set target temperature.

[0040] S13. Determine the target air outlet temperature of the air conditioning box, and determine whether to turn on the heater based on the energy-saving critical speed and the operating speed of the compressor, as well as the actual air outlet temperature and the target air outlet temperature.

[0041] Among them, the operating speed of the compressor can be the actual operating speed of the compressor or the target operating speed for controlling the operation of the compressor.

[0042] In some embodiments, the target air outlet temperature of the air conditioning box can be determined according to the set target temperature, ambient temperature, interior temperature of the vehicle compartment, sunlight compensation heat, etc.

[0043] Specifically, the interior temperature of the vehicle compartment can be measured by a temperature sensor arranged in the vehicle compartment, and the sunlight compensation heat can be obtained from the sunlight irradiation intensity measured by a sunlight sensor. Among them, the sunlight compensation heat can be positively correlated with the sunlight irradiation intensity.

[0044] S14. When it is determined to turn on the heater, control the heater to perform heat compensation.

[0045] Specifically, when it is determined that the heater needs to be turned on, the heater can be controlled to perform heat compensation to compensate for heat, so as to meet the air outlet temperature requirement of the passenger compartment.

[0046] Thus, by incorporating the energy-saving critical speed of the compressor into the control logic of whether to turn on the heater, this control method can reduce the situation where the compressor runs at too high a speed in order to achieve the target heating, thereby improving the energy consumption of the whole vehicle.

[0047] In some embodiments of the present invention, determining whether to turn on the heater based on the energy-saving critical speed and the operating speed of the compressor, as well as the actual air outlet temperature and the target air outlet temperature, includes: judging whether the operating speed is greater than the energy-saving critical speed to obtain a first judgment result; judging whether the difference between the target air outlet temperature and the actual air outlet temperature is greater than or equal to a first preset coefficient to obtain a second judgment result, where the first preset coefficient is a positive number; and determining whether to turn on the heater according to the first judgment result and the second judgment result.

[0048] Specifically, after obtaining the energy-saving critical speed of the compressor, in order to determine whether to start the heater based on the energy-saving critical speed, the operating speed of the compressor can be compared with the energy-saving critical speed. If the operating speed of the compressor is less than the energy-saving critical speed, the heat pump heating can continue to be achieved by relying on the compressor. If the operating speed of the compressor is already greater than the energy-saving critical speed, it indicates that continuing to rely on the compressor to achieve heat pump heating will result in excessive vehicle energy consumption. Therefore, at this time, the heater can be considered to be started to achieve heat compensation through the heater, rather than always increasing the heat output of the heat pump by increasing the compressor speed, so that the overall power consumption of the high-voltage components and low-voltage components of the vehicle's thermal management will not increase significantly due to further increasing the compressor speed to increase the heat output, thereby improving the overall vehicle energy consumption level.

[0049] After obtaining the first judgment result, it is also possible to further determine whether to start the heater based on the difference between the target air outlet temperature and the actual air outlet temperature of the air conditioner box, so as to meet the in-vehicle air outlet demand while improving energy consumption.

[0050] In some embodiments of the present invention, determining whether to turn on the heater according to the first judgment result and the second judgment result includes: when the first judgment result is yes and the second judgment result is yes, determining to turn on the heater; when the first judgment result is no and the second judgment result is no, determining not to turn on the heater.

[0051] In some embodiments of the present invention, determining whether to turn on the heater according to the first judgment result and the second judgment result further includes: when the first judgment result is yes and the second judgment result is no, or when the first judgment result is no and the second judgment result is yes, determining whether the operating speed is greater than or equal to the preset maximum speed to obtain a third judgment result; determining whether to turn on the heater according to the third judgment result.

[0052] It should be noted that in the embodiments of the present invention, the preset maximum speed is greater than or equal to the energy-saving critical speed of the compressor.

[0053] Specifically, in some examples, if the first judgment result is yes, but the second judgment result is no, that is, the operating speed is greater than the energy-saving critical speed, but the difference between the target air outlet temperature and the actual air outlet temperature is less than the first preset coefficient, it indicates that energy conservation needs to be considered at this time, but the heating capacity can not be increased. Therefore, it can be determined whether the operating speed of the compressor is greater than or equal to the preset maximum speed to obtain a third judgment result, and the control is performed according to the third judgment result.

[0054] If the result of the third judgment is yes, that is, although the difference between the target outlet air temperature and the actual outlet air temperature is small, the operating speed of the compressor is not only greater than the energy-saving critical speed but also greater than or equal to the preset maximum speed, the heater can be turned on to perform heat compensation through the heater. At this time, since heat compensation has been performed through the heater, the heating demand of the occupant compartment on the compressor can be reduced. For example, the operating speed of the compressor can be reduced. If the result of the third judgment is no, that is, although the operating speed of the compressor is greater than the energy-saving critical speed, it has not reached the preset maximum speed, and the difference between the target outlet air temperature and the actual outlet air temperature is small, the compressor can continue to be relied on for heating the occupant compartment. That is to say, when the result of the first judgment is yes and the result of the second judgment is no, it is determined whether to turn on the heater according to the result of the third judgment, including: if the result of the third judgment is yes, it is determined to turn on the heater and reduce the operating speed of the compressor to be less than the difference between the energy-saving critical speed and the second preset coefficient; if the result of the third judgment is no, it is determined not to turn on the heater.

[0055] In some other examples, if the result of the first judgment is no, but the result of the second judgment is yes, that is, the operating speed is less than or equal to the energy-saving critical speed, but the difference between the target outlet air temperature and the actual outlet air temperature is greater than or equal to the first preset coefficient, it means that energy conservation may not be necessary at this time, but the heating capacity needs to be further improved. Therefore, it can be judged whether the operating speed of the compressor is greater than or equal to the preset maximum speed to obtain the result of the third judgment, and control is performed according to the result of the third judgment.

[0056] If the result of the third judgment is yes, that is, the operating speed of the compressor is less than or equal to the energy-saving critical speed and has reached the preset maximum speed. Since the preset maximum speed is greater than or equal to the energy-saving critical speed of the compressor, it can be known that at this time, the operating speed of the compressor is equal to the energy-saving critical speed and equal to the preset maximum speed, indicating that it is best not to continue relying on the compressor for heat compensation. Therefore, the heater is started to perform heat compensation through the heater.

[0057] If the result of the third judgment is no, it means that the operating speed of the compressor has not reached the preset maximum speed. At this time, the compressor can be relied on for heat compensation, that is, the operating speed of the compressor is increased. Moreover, after increasing the operating speed of the compressor, it is also necessary to continuously compare the operating speed of the compressor with the energy-saving critical speed to determine whether to turn on the heater for heat compensation to improve the energy consumption of the whole vehicle.

[0058] That is, when the first judgment result is negative and the second judgment result is positive, determining whether to turn on the heater according to the third judgment result includes: if the third judgment result is positive, determining to turn on the heater; if the third judgment result is negative, increasing the operating speed of the compressor so that the difference between the target outlet air temperature and the actual outlet air temperature is less than the first preset coefficient, and determining whether the increased operating speed is greater than the energy-saving critical speed to obtain a fourth judgment result, and determining whether to turn on the heater according to the fourth judgment result.

[0059] Further, determining whether to turn on the heater according to the fourth judgment result includes: if the fourth judgment result is positive, determining to turn on the heater; if the fourth judgment result is negative, determining not to turn on the heater.

[0060] In some embodiments of the present invention, controlling the heater for heat compensation includes: obtaining the target water temperature of the heater according to the difference between the outlet air target temperature and the actual outlet air temperature; performing PID (Proportional-Integral-Derivative) calculation according to the difference between the target water temperature and the actual water temperature of the heater to obtain the compensation power of the heater, and controlling the heater according to the compensation power.

[0061] Among them, the actual water temperature of the heater can be detected by a temperature sensor arranged at the outlet of the heater. Optionally, in some examples, the PID calculation can be replaced by a PI calculation.

[0062] For ease of understanding, the following will separately combine Figure 2 , Figure 3 The specific examples shown are used to illustrate the control method of the heat pump system in the embodiments of the present invention.

[0063] In Figure 2 In the example shown, the heat pump system is an air source heat pump system, that is, the preset temperature parameter is the ambient temperature.

[0064] Referring to Figure 2 , the thermal management controller collects the current ambient temperature Tamb and the actual outlet air temperature of the air handling unit in real time, and obtains the set target temperature, which is the temperature set in the passenger compartment from the vehicle large screen. The ambient temperature can represent the ability of the air source heat pump system to absorb heat from the environment, and the temperature set in the passenger compartment can represent the numerical value of the stable trend of the vehicle interior temperature (or there is a reasonable difference), representing the heat required in the passenger compartment.

[0065] After obtaining the ambient temperature, the actual outlet air temperature of the air conditioner box, and the set target temperature, the energy-saving critical speed Ncritical of the compressor is obtained based on the ambient temperature and the set target temperature. Specifically, the thermal management controller looks up Table 1 to obtain the energy-saving critical speed of the compressor according to the ambient temperature and the temperature set in the passenger compartment (i.e., the set target temperature). Table 1 shows the energy-saving critical speeds of the compressor at different ambient temperatures and different passenger compartment set temperatures, which are specifically as follows.

[0066] Table 1

[0067]

[0068] The above Table 1 is the energy-saving critical speed of the air source heat pump system to turn on the electric heater PTC at different ambient temperatures and passenger compartment set temperatures obtained through experiments or simulations.

[0069] After obtaining the energy-saving critical speed Ncritical, the thermal management controller judges the magnitude relationship between the operating speed Nspd of the compressor and the energy-saving critical speed Ncritical to obtain the first judgment result. Determine the target outlet air temperature of the air conditioner box based on the set target temperature, ambient temperature, interior temperature of the vehicle compartment, solar compensation heat, etc., and judge whether the difference between the target outlet air temperature and the actual outlet air temperature is greater than or equal to the first preset coefficient a to obtain the second judgment result.

[0070] If the first judgment result is yes and the second judgment result is yes, the thermal management controller turns on the heater for heat compensation, and looks up Table 2 to obtain the target water temperature of the heater according to the difference between the actual outlet air temperature and the target outlet air temperature of the air conditioner box. Table 2 shows the heating compensation capacity (i.e., the target water temperature) of the heater when it is turned on at different differences, which are specifically as follows.

[0071] Table 2

[0072] Air handling unit target outlet air temperature - actual outlet air temperature / °C PTC target water temperature / °C -20 b1 -10 b2 0 b3 5 b4 10 b5 20 b6

[0073] The above Table 2 can be obtained through experiments or simulations, and the basic trend is that the greater the difference, the greater the PTC target water temperature.

[0074] After that, PID calculation is performed based on the difference between the target water temperature and the actual water temperature of the heater to obtain the compensation power of the heater, and the heater is controlled according to the compensation power.

[0075] If the first judgment result is no and the second judgment result is no, the thermal management controller does not turn on the heater for heat compensation.

[0076] If the first judgment result is yes and the second judgment result is no, the thermal management controller determines whether the operating speed of the compressor reaches the preset maximum speed Nmax. If it does not reach the preset maximum speed, the thermal management controller does not turn on the heater for heat compensation. If it reaches the preset maximum speed, the thermal management controller turns on the heater for heat compensation, and at the same time reduces the operating speed of the compressor so that Nspd < Ncritical - coefficient b. Furthermore, the thermal management controller obtains the target water temperature of the heater by looking up Table 2 based on the difference between the actual air outlet temperature of the air handling unit and the target air outlet temperature. And, perform PID calculation based on the difference between the target water temperature and the actual water temperature of the heater to obtain the compensation power of the heater, and control the heater according to the compensation power.

[0077] If the first judgment result is no and the second judgment result is yes, the thermal management controller determines whether the operating speed of the compressor reaches the preset maximum speed Nmax. If it reaches the preset maximum speed, the thermal management controller turns on the heater for heat compensation. Furthermore, the thermal management controller obtains the target water temperature of the heater by looking up Table 2 based on the difference between the actual air outlet temperature of the air handling unit and the target air outlet temperature. And, perform PID calculation based on the difference between the target water temperature and the actual water temperature of the heater to obtain the compensation power of the heater, and control the heater according to the compensation power.

[0078] If it does not reach the preset maximum speed, the thermal management controller increases the operating speed of the compressor so that the target air outlet temperature of the air handling unit - the actual air outlet temperature of the air handling unit < coefficient a. Furthermore, determine whether the operating speed of the compressor is less than or equal to the energy-saving critical speed. If so, the thermal management controller does not turn on the heater for heat compensation. If not, the thermal management controller turns on the heater for heat compensation. Furthermore, the thermal management controller obtains the target water temperature of the heater by looking up Table 2 based on the difference between the actual air outlet temperature of the air handling unit and the target air outlet temperature. And, perform PID calculation based on the difference between the target water temperature and the actual water temperature of the heater to obtain the compensation power of the heater, and control the heater according to the compensation power.

[0079] Thus, in this example, by pre-seeking the change trend curves of the heat output increase of the heat pump system and the power consumption increase of the thermal management system with the increase of the compressor speed at different ambient temperatures, the compressor speed corresponding to the intersection of the change curves of the heat output increase of the heat pump system and the power consumption increase of the thermal management system at each ambient temperature working condition point is obtained, that is, the energy-saving critical speed. When actually controlling the heat pump system, if the operating speed of the compressor is lower than the energy-saving critical speed, it means that the heat output increase of the heat pump system is greater than the power consumption increase of the thermal management system at this time. The heat output of the heat pump system can still be increased by increasing the operating speed of the compressor, and the PTC can be not turned on. If the operating speed of the compressor is higher than the energy-saving critical speed, it means that the heat output increase of the heat pump system is less than the power consumption increase of the thermal management system at this time. It is not suitable to increase the heat output of the heat pump system by increasing the operating speed of the compressor. The difference between the target outlet air temperature and the actual outlet air temperature, as well as the relationship between the operating speed and the preset maximum speed, can be combined to determine whether to turn on the PTC, so as to achieve the overall energy saving of the heat pump system.

[0080] In Figure 3 the example shown, the heat pump system is a water source heat pump system, that is, the preset temperature parameter is the outlet water temperature.

[0081] See Figure 3 , the thermal management controller collects the current outlet water temperature Twat and the actual outlet air temperature of the air handling unit in real time, and obtains the set target temperature, which is the set temperature of the occupant compartment from the vehicle large screen.

[0082] After obtaining the outlet water temperature, the actual outlet air temperature of the air handling unit, and the set target temperature, the energy-saving critical speed Ncritical of the compressor is obtained according to the outlet water temperature and the set target temperature. Specifically, the thermal management controller looks up Table 3 to obtain the energy-saving critical speed of the compressor according to the outlet water temperature and the set temperature of the occupant compartment. Table 3 shows the energy-saving critical speeds of the compressor at different outlet water temperatures and different set temperatures of the occupant compartment, which are specifically as follows.

[0083] Table 3

[0084]

[0085] The above Table 3 is the energy-saving critical speed of the water source heat pump system for turning on the PTC at different outlet water temperatures and set temperatures of the passenger compartment obtained through experiments or simulations.

[0086] The thermal management controller judges the magnitude relationship between the operating speed Nspd of the compressor and the energy-saving critical speed to obtain the first judgment result. The target outlet air temperature of the air handling unit is determined according to the set target temperature, ambient temperature, interior temperature of the vehicle compartment, solar compensation heat, etc., and it is judged whether the difference between the target outlet air temperature and the actual outlet air temperature is greater than or equal to the first preset coefficient a to obtain the second judgment result.

[0087] If the first judgment result is yes and the second judgment result is yes, the thermal management controller turns on the heater for heat compensation, and obtains the target water temperature of the heater by looking up Table 4 according to the difference between the actual air outlet temperature and the target air outlet temperature of the air handling unit. Table 4 shows the heating compensation capacity (i.e., the target water temperature) of the heater under different differences, which can be specifically shown as follows.

[0088] Table 4

[0089] Air handling unit target outlet air temperature - actual outlet air temperature / °C PTC target water temperature / °C -20 d1 -10 d2 0 d3 5 d4 10 d5 20 d6

[0090] The above Table 4 can be obtained through experiments or simulations. The basic trend is that the larger the difference, the larger the target water temperature of the PTC.

[0091] Perform PID calculation according to the difference between the target water temperature and the actual water temperature of the heater to obtain the compensation power of the heater, and control the heater according to the compensation power.

[0092] If the first judgment result is no and the second judgment result is no, the thermal management controller does not turn on the heater for heat compensation.

[0093] If the first judgment result is yes and the second judgment result is no, the thermal management controller judges whether the operating speed of the compressor reaches the preset maximum speed Nmax. If it does not reach the preset maximum speed, the thermal management controller does not turn on the heater for heat compensation. If it reaches the preset maximum speed, the thermal management controller turns on the heater for heat compensation, and at the same time reduces the operating speed of the compressor so that Nspd < Ncritical - coefficient b. Furthermore, the thermal management controller obtains the target water temperature of the heater by looking up Table 4 according to the difference between the actual air outlet temperature and the target air outlet temperature of the air handling unit. And, perform PID calculation according to the difference between the target water temperature and the actual water temperature of the heater to obtain the compensation power of the heater, and control the heater according to the compensation power.

[0094] If the first judgment result is no and the second judgment result is yes, the thermal management controller judges whether the operating speed of the compressor reaches the preset maximum speed. If it reaches the preset maximum speed, the thermal management controller turns on the heater for heat compensation. Furthermore, the thermal management controller obtains the target water temperature of the heater by looking up Table 4 according to the difference between the actual air outlet temperature and the target air outlet temperature of the air handling unit. And, perform PID calculation according to the difference between the target water temperature and the actual water temperature of the heater to obtain the compensation power of the heater, and control the heater according to the compensation power.

[0095] If the preset maximum rotational speed is not reached, the thermal management controller increases the operating rotational speed of the compressor, such that the target air outlet temperature of the air conditioning box - the actual air outlet temperature of the air conditioning box < coefficient a. Then, it is determined whether the operating rotational speed of the compressor is less than or equal to the energy-saving critical rotational speed. If so, the thermal management controller does not turn on the heater for heat compensation. If not, the thermal management controller turns on the heater for heat compensation. Further, the thermal management controller obtains the target water temperature of the heater by looking up Table 4 based on the difference between the actual air outlet temperature and the target air outlet temperature of the air conditioning box. Also, a PID calculation is performed based on the difference between the target water temperature and the actual water temperature of the heater to obtain the compensation power of the heater, and the heater is controlled according to the compensation power.

[0096] Thus, in this example, by pre-seeking the change trend curves of the increase in the heat output of the heat pump system and the increase in the power consumption of the thermal management system with the increase in the compressor rotational speed under different water temperature conditions of the heat pump system, the compressor rotational speed corresponding to the intersection point of the two change curves of the increase in the heat output of the heat pump system and the increase in the power consumption of the thermal management system at each water temperature condition point is obtained, and the energy-saving critical rotational speed is obtained. When actually controlling the heat pump system, if the operating rotational speed of the compressor is lower than the energy-saving critical rotational speed, it means that at this time, the increase in the heat output of the heat pump system is greater than the increase in the power consumption of the thermal management system. The heat output of the heat pump system can still be increased by increasing the operating rotational speed of the compressor, and the PTC can be not turned on. If the operating rotational speed of the compressor is higher than the energy-saving critical rotational speed, it means that at this time, the increase in the heat output of the heat pump system is less than the increase in the power consumption of the thermal management system. It is not suitable to increase the heat output of the heat pump system by increasing the operating rotational speed of the compressor. The relationship between the difference between the target air outlet temperature and the actual air outlet temperature, and the relationship between the operating rotational speed and the preset maximum rotational speed can be combined to determine whether to turn on the PTC, so as to achieve the overall energy saving of the heat pump system.

[0097] In some embodiments of the present invention, after obtaining the energy-saving critical rotational speed, the operating conditions of the compressor can also be divided into a low-efficiency operating region of the compressor and a high-efficiency operating region of the compressor. When the compressor rotational speed is lower than the energy-saving critical rotational speed, it can be defined as the high-efficiency operating region of the compressor. When the compressor rotational speed is higher than the energy-saving critical rotational speed, it can be defined as the low-efficiency operating region of the compressor. Thus, the pre-set operating region of the compressor can be used to determine whether to turn on the heater, thereby improving the reaction speed of thermal management control during actual operation and improving the vehicle energy consumption.

[0098] In summary, for the control method of the heat pump system according to the embodiments of the present invention, by incorporating the energy-saving critical rotational speed into the control logic for determining whether to turn on the heater, and considering the actual air outlet temperature, the target air outlet temperature of the air conditioning box, and the preset maximum rotational speed of the compressor, the situation where the compressor rotates too fast for heating can be avoided, and the vehicle energy consumption can be improved.

[0099] Figure 4 It is the structural block diagram of the control device of the heat pump system according to the embodiments of the present invention.

[0100] In this embodiment, the heat pump system can be used in a vehicle and includes a compressor, an air conditioning box, and a heater.

[0101] As Figure 4 shown, the control device 100 of the heat pump system includes: an acquisition module 101 for acquiring a preset temperature parameter and the actual air outlet temperature of the air conditioning box, and acquiring a set target temperature, where the preset temperature parameter is the ambient temperature or the outlet water temperature; a first determination module 102 for obtaining the energy-saving critical speed of the compressor according to the preset temperature parameter and the set target temperature; a second determination module 103 for determining the target air outlet temperature of the air conditioning box, and determining whether to turn on the heater according to the energy-saving critical speed and the operating speed of the compressor, and the actual air outlet temperature and the target air outlet temperature; a control module 104 for controlling the heater to perform heat compensation when it is determined to turn on the heater.

[0102] In some embodiments of the present invention, determining whether to turn on the heater according to the energy-saving critical speed and the operating speed of the compressor, and the actual air outlet temperature and the target air outlet temperature includes: judging whether the operating speed is greater than the energy-saving critical speed to obtain a first judgment result; judging whether the difference between the target air outlet temperature and the actual air outlet temperature is greater than or equal to a first preset coefficient to obtain a second judgment result, where the first preset coefficient is a positive number; determining whether to turn on the heater according to the first judgment result and the second judgment result.

[0103] In some embodiments of the present invention, determining whether to turn on the heater according to the first judgment result and the second judgment result includes: when the first judgment result is yes and the second judgment result is yes, determining to turn on the heater; when the first judgment result is no and the second judgment result is no, determining not to turn on the heater.

[0104] In some embodiments of the present invention, determining whether to turn on the heater according to the first judgment result and the second judgment result further includes: when the first judgment result is yes and the second judgment result is no, or when the first judgment result is no and the second judgment result is yes, judging whether the operating speed is greater than or equal to a preset maximum speed to obtain a third judgment result; determining whether to turn on the heater according to the third judgment result.

[0105] In some embodiments of the present invention, when the first judgment result is yes and the second judgment result is no, determining whether to turn on the heater according to the third judgment result includes: if the third judgment result is yes, determining to turn on the heater and reducing the operating speed of the compressor to be less than the difference between the energy-saving critical speed and the second preset coefficient; if the third judgment result is no, determining not to turn on the heater.

[0106] In some embodiments of the present invention, when the first judgment result is negative and the second judgment result is positive, determining whether to turn on the heater according to the third judgment result includes: if the third judgment result is positive, determining to turn on the heater; if the third judgment result is negative, increasing the operating speed of the compressor so that the difference between the target outlet air temperature and the actual outlet air temperature is less than a first preset coefficient, and determining whether the increased operating speed is greater than the energy-saving critical speed to obtain a fourth judgment result, and determining whether to turn on the heater according to the fourth judgment result.

[0107] In some embodiments of the present invention, determining whether to turn on the heater according to the fourth judgment result includes: if the fourth judgment result is positive, determining to turn on the heater; if the fourth judgment result is negative, determining not to turn on the heater.

[0108] In some embodiments of the present invention, controlling the heater for heat compensation includes: obtaining the target water temperature of the heater according to the difference between the outlet target temperature and the actual outlet temperature; performing PID calculation according to the difference between the target water temperature and the actual water temperature of the heater to obtain the compensation power of the heater, and controlling the heater according to the compensation power.

[0109] In some embodiments of the present invention, when the heat pump system uses a pure motor waste heat source, the outlet water temperature is the water temperature at the motor outlet; when the heat pump system uses a pure battery waste heat source, the outlet water temperature is the water temperature at the battery outlet; when the heat pump system uses a dual waste heat source of motor and battery, the outlet water temperature is the water temperature at the outlet of the heat exchanger of the heat pump system closest to the motor outlet and the battery outlet.

[0110] It should be noted that for other specific embodiments of the control device of the heat pump system in the embodiments of the present invention, reference may be made to the control method of the heat pump system in the above embodiments.

[0111] The control device of the heat pump system in the embodiments of the present invention incorporates the energy-saving critical speed into the control logic for whether to turn on the heater, and considers the actual outlet air temperature, target outlet air temperature of the air handling unit, and the preset maximum speed of the compressor, thereby avoiding the situation where the compressor runs at too high a speed for heating and improving the vehicle's overall energy consumption.

[0112] Based on the control method of the heat pump system in the above embodiments, the present invention proposes a computer-readable storage medium.

[0113] In the embodiments of the present invention, for the computer-readable storage medium, a computer program is stored thereon, and when the computer program is executed by a processor, the above control method of the heat pump system is implemented.

[0114] The computer-readable storage medium according to the embodiment of the present invention, by implementing the control method of the heat pump system in the above embodiment, incorporates the energy-saving critical speed into the control logic for turning on the heater, and takes into account the actual outlet air temperature of the air handling unit, the target outlet air temperature, and the preset maximum speed of the compressor, thereby avoiding the situation where the compressor runs at too high a speed for heating and improving the vehicle energy consumption.

[0115] Based on the control method of the heat pump system in the above embodiment, the present invention further proposes a thermal management controller.

[0116] Figure 5 It is the structural block diagram of the thermal management controller according to the embodiment of the present invention.

[0117] As Figure 5 shown, the thermal management controller 500 includes: a processor 501 and a memory 503. Among them, the processor 501 and the memory 503 are connected, such as connected through a bus 502. Optionally, the thermal management controller 500 may further include a transceiver 504. It should be noted that in actual applications, the transceiver 504 is not limited to one, and the structure of the thermal management controller 500 does not constitute a limitation to the embodiment of the present invention.

[0118] The processor 501 may be a CPU (Central Processing Unit, central processing unit), a general-purpose processor, a DSP (Digital Signal Processor, digital signal processor), an ASIC (Application Specific Integrated Circuit, application-specific integrated circuit), an FPGA (Field Programmable Gate Array, field programmable gate array), or other programmable logic devices, transistor logic devices, hardware components, or any combination thereof. It can implement or execute various exemplary logic blocks, modules, and circuits described in connection with the disclosure of the present invention. The processor 501 may also be a combination that implements computing functions, such as a combination of one or more microprocessors, a combination of a DSP and a microprocessor, etc.

[0119] The bus 502 may include a path for transmitting information between the above components. The bus 502 may be a PCI (Peripheral Component Interconnect, peripheral component interconnect standard) bus or an EISA (Extended Industry Standard Architecture, extended industry standard architecture) bus, etc. The bus 502 may be divided into an address bus, a data bus, a control bus, etc. For the sake of representation, Figure 5 only a thick line is used to represent it in the figure, but it does not mean that there is only one bus or one type of bus.

[0120] The memory 503 is used to store a computer program corresponding to the control method of the heat pump system in the above embodiments of the present invention, and the computer program is controlled and executed by the processor 501. The processor 501 is used to execute the computer program stored in the memory 503 to implement the content shown in the foregoing method embodiments.

[0121] Among them, the thermal management controller 500 can be an independent electronic control unit in the vehicle or integrated on a certain electronic control unit. Figure 5 The illustrated thermal management controller 500 is only an example and should not impose any limitations on the functions and usage scope of the embodiments of the present invention.

[0122] By implementing the control method of the heat pump system in the above embodiments, the thermal management controller in the embodiments of the present invention incorporates the energy-saving critical speed into the control logic for whether to turn on the heater, and takes into account the actual air outlet temperature, target air outlet temperature of the air conditioning box, and the preset maximum speed of the compressor, thereby avoiding the situation where the compressor runs at too high a speed for heating and improving the overall vehicle energy consumption.

[0123] The present invention also proposes a vehicle.

[0124] Figure 6 It is a structural block diagram of the vehicle in the embodiments of the present invention.

[0125] As Figure 6 shown, the vehicle 200 includes: a heat pump system 201, and the above control device 100 of the heat pump system or the thermal management controller 500 ( Figure 6 shown by taking the thermal management controller 500 as an example). Among them, the heat pump system 201 includes a compressor, an air conditioning box, and a heater.

[0126] By means of the above control device of the heat pump system or the thermal management controller, the vehicle in the embodiments of the present invention incorporates the energy-saving critical speed into the control logic for whether to turn on the heater, and takes into account the actual air outlet temperature, target air outlet temperature of the air conditioning box, and the preset maximum speed of the compressor, thereby avoiding the situation where the compressor runs at too high a speed for heating and improving the overall vehicle energy consumption.

[0127] It should be noted that the logic and / or steps represented in the flowchart or otherwise described herein, for example, can be considered as a definite sequence list of executable instructions for implementing logical functions, and can be specifically implemented in any computer-readable medium for use by an instruction execution system, apparatus, or device (such as a computer-based system, a system including a processor, or other systems that can fetch and execute instructions from the instruction execution system, apparatus, or device), or in combination with these instruction execution systems, apparatus, or devices. For the purposes of this specification, a "computer-readable medium" can be any device that can contain, store, communicate, propagate, or transport a program for use by or in combination with an instruction execution system, apparatus, or device. More specific examples (non-exhaustive list) of computer-readable media include the following: an electrical connection portion with one or more wirings (electronic device), a portable computer diskette (magnetic device), a random access memory (RAM), a read-only memory (ROM), an erasable programmable read-only memory (EPROM or flash memory), an optical fiber device, and a portable compact disc read-only memory (CDROM). Additionally, the computer-readable medium can even be paper or other suitable media on which the program can be printed, because the program can be obtained electronically, for example, by optically scanning the paper or other media, followed by editing, interpretation, or other suitable processing as necessary, and then stored in a computer memory.

[0128] It should be understood that various parts of the present invention can be implemented using hardware, software, firmware, or a combination thereof. In the above-described embodiments, multiple steps or methods can be implemented using software or firmware stored in a memory and executed by a suitable instruction execution system. For example, if implemented using hardware, as in another embodiment, any one or a combination of the following techniques well known in the art can be used: discrete logic circuits having logic gate circuits for implementing logical functions on data signals, application specific integrated circuits having appropriate combinational logic gate circuits, programmable gate arrays (PGAs), field programmable gate arrays (FPGAs), etc.

[0129] In the description of this specification, the description with reference to the terms "one embodiment", "some embodiments", "example", "specific example", or "some examples", etc. means that the specific features, structures, materials, or characteristics described in connection with the embodiment or example are included in at least one embodiment or example of the present invention. In this specification, the schematic representations of the above terms do not necessarily refer to the same embodiment or example. Moreover, the specific features, structures, materials, or characteristics described can be combined in any one or more embodiments or examples in a suitable manner.

[0130] In the description of the present invention, it should be understood that the terms "center", "longitudinal", "transverse", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", "axial", "radial", "circumferential", etc. indicate the orientation or positional relationship based on the orientation or positional relationship shown in the drawings. These are only for the convenience of describing the present invention and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus should not be construed as a limitation of the present invention.

[0131] In addition, the terms "first" and "second" are used only for descriptive purposes and should not be construed as indicating or implying relative importance or implicitly specifying the quantity of the indicated technical features. Thus, features defined with "first" and "second" may explicitly or implicitly include at least one of such features. In the description of the present invention, "a plurality of" means at least two, such as two, three, etc., unless otherwise specifically and clearly defined.

[0132] In the present invention, unless otherwise clearly specified and defined, the terms "mounted", "connected", "connected to", "fixed", etc. should be understood in a broad sense. For example, it may be a fixed connection, a detachable connection, or integrated; it may be a mechanical connection or an electrical connection; it may be directly connected or indirectly connected through an intermediate medium, and it may be the communication inside two elements or the interaction relationship between two elements, unless otherwise clearly defined. For those of ordinary skill in the art, the specific meanings of the above terms in the present invention can be understood according to specific circumstances.

[0133] In the present invention, unless otherwise clearly specified and defined, the first feature being "on" or "under" the second feature may be that the first and second features are in direct contact, or the first and second features are indirectly in contact through an intermediate medium. Moreover, the first feature being "above", "over" and "on top of" the second feature may be that the first feature is directly above or obliquely above the second feature, or merely indicates that the first feature has a higher horizontal height than the second feature. The first feature being "under", "beneath" and "underneath" the second feature may be that the first feature is directly below or obliquely below the second feature, or merely indicates that the first feature has a lower horizontal height than the second feature.

[0134] Although the embodiments of the present invention have been shown and described above, it can be understood that the above embodiments are exemplary and should not be construed as a limitation of the present invention. Those of ordinary skill in the art can make changes, modifications, substitutions and variations to the above embodiments within the scope of the present invention.

Claims

1. A control method for a heat pump system, characterized in that, The heat pump system includes a compressor, an air conditioner box, and a heater, and the method includes: Obtaining a preset temperature parameter and the actual outlet air temperature of the air conditioner box, and obtaining a set target temperature, where the preset temperature parameter is the ambient temperature or the outlet water temperature; Obtaining the energy-saving critical speed of the compressor according to the preset temperature parameter and the set target temperature; Determining the target outlet air temperature of the air conditioner box, and determining whether to turn on the heater according to the energy-saving critical speed and the operating speed of the compressor, and the actual outlet air temperature and the target outlet air temperature; When it is determined to turn on the heater, controlling the heater to perform heat compensation.

2. The control method of the heat pump system according to claim 1, characterized in that, The determining whether to turn on the heater according to the energy-saving critical speed and the operating speed of the compressor, and the actual outlet air temperature and the target outlet air temperature includes: Judging whether the operating speed is greater than the energy-saving critical speed to obtain a first judgment result; Judging whether the difference between the target outlet air temperature and the actual outlet air temperature is greater than or equal to a first preset coefficient to obtain a second judgment result, where the first preset coefficient is a positive number; Determining whether to turn on the heater according to the first judgment result and the second judgment result.

3. The control method of the heat pump system according to claim 2, wherein The determining whether to turn on the heater according to the first judgment result and the second judgment result includes: When the first judgment result is yes and the second judgment result is yes, determining to turn on the heater; When the first judgment result is no and the second judgment result is no, determining not to turn on the heater.

4. The control method of the heat pump system according to claim 3, characterized in that The determining whether to turn on the heater according to the first judgment result and the second judgment result further includes: When the first judgment result is yes and the second judgment result is no, or the first judgment result is no and the second judgment result is yes, judging whether the operating speed is greater than or equal to a preset maximum speed to obtain a third judgment result; Determining whether to turn on the heater according to the third judgment result.

5. The control method of the heat pump system according to claim 4, characterized in that When the first judgment result is yes and the second judgment result is no, the determining whether to turn on the heater according to the third judgment result includes: If the third judgment result is yes, determining to turn on the heater and reducing the operating speed of the compressor to be less than the difference between the energy-saving critical speed and a second preset coefficient; If the third judgment result is no, determining not to turn on the heater.

6. The control method of the heat pump system according to claim 4, characterized in that, When the first judgment result is no and the second judgment result is yes, the determining whether to turn on the heater according to the third judgment result includes: If the third judgment result is yes, determining to turn on the heater; If the third judgment result is no, increasing the operating speed of the compressor so that the difference between the target outlet air temperature and the actual outlet air temperature is less than the first preset coefficient, and judging whether the increased operating speed is greater than the energy-saving critical speed to obtain a fourth judgment result, and determining whether to turn on the heater according to the fourth judgment result.

7. The control method of the heat pump system according to claim 6, characterized in that, The determining whether to turn on the heater according to the fourth judgment result includes: If the fourth judgment result is yes, determining to turn on the heater; If the fourth determination result is negative, it is determined not to turn on the heater.

8. The control method of the heat pump system according to any one of claims 1-7, characterized in that The controlling the heater to perform heat compensation includes: Obtaining a target water temperature of the heater according to a difference between the target air outlet temperature and the actual air outlet temperature; A PID calculation is performed according to the difference between the target water temperature and the actual water temperature of the heater to obtain the compensation power of the heater, and the heater is controlled according to the compensation power.

9. The control method of a heat pump system according to any one of claims 1 to 7, characterized in that: When the heat pump system uses a pure motor waste heat source, the outlet water temperature is the water temperature at the motor outlet; When the heat pump system uses a pure battery waste heat source, the outlet water temperature is the water temperature at the battery outlet; When the heat pump system adopts a dual waste heat source of a motor and a battery, the outlet water temperature is the water temperature of the outlet of the heat exchanger close to the heat pump system between the motor outlet and the battery outlet.

10. A control device for a heat pump system, characterized in that, The heat pump system includes a compressor, an air conditioning box and a heater, and the device includes: An acquisition module is used to obtain a preset temperature parameter and the actual outlet air temperature of the air conditioning box, and to obtain a set target temperature, wherein the preset temperature parameter is the ambient temperature or the outlet water temperature; a first determining module, configured to obtain an energy-saving critical speed of the compressor according to the preset temperature parameter and the set target temperature; a second determining module, configured to determine a target outlet air temperature of the air conditioning box, and determine whether to turn on the heater based on the energy-saving critical speed and the operating speed of the compressor, as well as the actual outlet air temperature and the target outlet air temperature; The control module is used to control the heater to perform heat compensation when it is determined that the heater is turned on.

11. A computer-readable storage medium having a computer program stored thereon, characterized in that, When the computer program is executed by a processor, the control method of the heat pump system according to any one of claims 1 to 9 is implemented.

12. A thermal management controller, comprising a memory, a processor, and a computer program stored on the memory, characterized in that, When the computer program is executed by the processor, the control method of the heat pump system according to any one of claims 1 to 9 is implemented.

13. A vehicle, characterized in that, include: Heat pump system, including compressor, air conditioning box and heater; as well as The control device for a heat pump system according to claim 10, or the thermal management controller according to claim 12.

Images