Vehicle thermal management architecture and vehicle

Abstract

The utility model provides a vehicle heat management architecture and a vehicle. The vehicle heat management architecture comprises a heat pump system; the heat pump system comprises a battery pack heating loop and a passenger compartment heating loop; the battery pack heating loop comprises a first battery pack heating loop; the passenger compartment heating loop comprises a first passenger compartment heating loop; the first battery pack heating loop comprises a first water pump, a five-way valve, a water heating heater and a water cooling condenser; the first passenger compartment heating loop comprises the water heating heater, a second water pump and a warm air core body of the rear heating ventilation air conditioner. According to the heat pump system, by sharing the water heating heater, when the passenger compartment has the heating requirement, the water heating heater can be used for heating the rear heating ventilation air conditioner so as to improve the temperature rise rate of the passenger compartment, and when the battery pack has the heating requirement, the water heating heater can also be used for heating the battery pack, so that the heating requirement of the battery and the passenger compartment is met, and the number of system parts is reduced; and the whole vehicle layout is optimized.

Description

Technical Field

[0001] The present application relates to the field of thermal management technology, and in particular to a vehicle thermal management architecture and a vehicle. Background Art

[0002] At present, pure electric vehicles are developing rapidly, and product updates and iterations are getting faster and faster. A stable and mature thermal management system can greatly shorten the vehicle development time and investment cost.

[0003] At present, heat pump systems with waste heat recovery mostly absorb waste heat from the coolant of high-voltage electrical devices, but this method has a slow heating rate, affecting the comfort experience of passengers in the passenger compartment. Utility Model Content

[0004] The present application provides a vehicle thermal management architecture and a vehicle to solve the problem of slow heating rate of the passenger compartment under the vehicle-mounted heat pump architecture in the prior art.

[0005] In a first aspect, the present application provides a vehicle thermal management architecture, which includes: a heat pump system;

[0006] The heat pump system includes a battery pack heating circuit and a passenger compartment heating circuit;

[0007] The battery pack heating circuit includes a first battery pack heating circuit; the passenger compartment heating circuit includes a first passenger compartment heating circuit;

[0008] The first battery pack heating circuit includes a first water pump, a five-way valve, a water heater and a water-cooled condenser;

[0009] The first passenger compartment heating circuit includes the water heater, the second water pump and the heater core of the rear air conditioner;

[0010] The outlet of the first water pump is connected to the circulating fluid pipeline of the battery pack of the vehicle, the five-way valve, the water heater, the water-cooled condenser and the inlet of the first water pump in sequence, forming the first battery pack heating circuit;

[0011] The outlet of the water heater is connected to the second water pump, the heater core of the rear air conditioner and the inlet of the water heater in sequence, forming the first passenger compartment heating circuit.

[0012] In a possible implementation, the battery pack heating circuit further includes a second battery pack heating circuit;

[0013] The second battery pack heating circuit includes the first water pump, the third water pump, the five-way valve and the refrigerant heat exchanger;

[0014] The outlet of the first water pump is connected to the circulating fluid pipeline of the battery pack, the five-way valve, the refrigerant heat exchanger and the inlet of the first water pump in sequence;

[0015] The circulating fluid pipeline outlet of the vehicle's driving system is sequentially connected to the five-way valve, the refrigerant heat exchanger, the third water pump and the circulating fluid pipeline inlet of the driving system.

[0016] In a possible implementation, the battery pack heating circuit further includes a battery pack refrigerant side heating circuit;

[0017] The battery pack refrigerant side heating circuit includes the water-cooled condenser, liquid storage drying tank, coaxial tube, heat exchange device and compressor;

[0018] The outlet of the water-cooled condenser is connected in sequence to the liquid storage drying tank, the high-pressure side of the coaxial tube, the heat exchange device, the low-pressure side of the coaxial tube, the compressor and the inlet of the water-cooled condenser to form a heating circuit on the refrigerant side of the battery pack.

[0019] In a possible implementation manner, the first battery pack heating circuit further includes a third water pump;

[0020] In the first battery pack heating circuit, the outlet of the circulating fluid pipeline of the vehicle's driving system is connected in sequence through the five-way valve, the heat exchange device, the third water pump and the inlet of the circulating fluid pipeline of the driving system.

[0021] In a possible implementation, the heat pump system further includes a battery pack temperature equalization circuit;

[0022] The battery pack temperature equalization circuit includes the first water pump, the five-way valve and a refrigerant heat exchanger;

[0023] The outlet of the first water pump is connected to the circulating liquid pipeline of the battery pack, the five-way valve, the refrigerant heat exchanger and the inlet of the first water pump in sequence to form the battery pack temperature equalization circuit.

[0024] In a possible implementation, the passenger compartment heating circuit further includes a second passenger compartment heating circuit;

[0025] The second passenger compartment heating circuit includes a passenger compartment refrigerant side heating circuit;

[0026] The passenger compartment refrigerant side heating circuit includes a compressor, an indoor condenser, a liquid storage drying tank, a coaxial tube and a heat exchange device;

[0027] The outlet of the compressor is connected in sequence to the indoor condenser, the liquid storage drying tank, the high-pressure side of the coaxial tube, the heat exchange device, the low-pressure side of the coaxial tube and the inlet of the compressor, forming a heating circuit on the refrigerant side of the passenger compartment.

[0028] In a possible implementation manner, the second passenger compartment heating circuit further includes a passenger compartment coolant side heating circuit;

[0029] The passenger compartment coolant side heating circuit includes the five-way valve, a refrigerant heat exchanger and a third water pump;

[0030] The outlet of the circulating fluid pipeline in the vehicle's drive system is sequentially connected to the five-way valve, the refrigerant heat exchanger, the third water pump and the inlet of the circulating fluid pipeline of the drive system to form the passenger compartment coolant side heating circuit.

[0031] In a possible implementation, the architecture further includes a refrigeration circuit;

[0032] The refrigeration circuit includes a drive system refrigeration circuit and a passenger compartment refrigeration circuit;

[0033] The drive system refrigeration circuit includes a low-temperature radiator 1, a third water pump and the five-way valve;

[0034] The passenger compartment refrigeration circuit includes a compressor, an outdoor heat exchanger, a liquid storage drying tank, a coaxial tube and a target evaporator; the target evaporator is the evaporator of the front air conditioner or the evaporator of the rear air conditioner;

[0035] The outlet of the low-temperature radiator 1 is connected to the third water pump, the circulating liquid pipeline in the driving system, the five-way valve and the inlet of the low-temperature radiator 1 in sequence, forming a refrigeration circuit of the driving system;

[0036] The outlet of the compressor is connected to the outdoor heat exchanger, the liquid storage drying tank, the high-pressure side of the coaxial tube, the target evaporator, the low-pressure side of the coaxial tube and the inlet of the compressor in sequence to form a refrigeration circuit for the passenger compartment.

[0037] In one possible implementation, the thermal management architecture includes a refrigeration circuit, and the refrigeration circuit includes a battery pack refrigeration circuit;

[0038] The battery pack refrigeration circuit includes a battery pack active refrigeration circuit and a battery pack passive refrigeration circuit;

[0039] The battery pack active cooling circuit includes a first battery pack active cooling circuit and a second battery pack active cooling circuit;

[0040] The first battery pack active cooling circuit includes the five-way valve, the refrigerant heat exchanger and the first water pump;

[0041] The second battery pack active refrigeration circuit includes the compressor, the outdoor heat exchanger, the liquid storage drying tank, the coaxial tube and the refrigerant heat exchanger;

[0042] The battery pack passive cooling circuit includes the first water pump, the five-way valve and the low-temperature radiator 1;

[0043] The outlet of the circulating liquid pipeline of the battery pack is connected to the five-way valve, the refrigerant heat exchanger, the first water pump and the inlet of the circulating liquid pipeline of the battery pack in sequence, forming an active refrigeration circuit of the first battery pack;

[0044] The outlet of the compressor is connected to the outdoor heat exchanger, the liquid storage drying tank, the high-pressure side of the coaxial tube, the refrigerant heat exchanger, the low-pressure side of the coaxial tube and the inlet of the compressor in sequence, forming an active refrigeration circuit for the second battery pack;

[0045] The outlet of the first water pump is connected to the circulating liquid pipeline of the battery pack, the five-way valve, the low-temperature radiator 1 and the inlet of the first water pump in sequence, forming a passive cooling circuit for the battery pack.

[0046] In a possible implementation, the refrigeration circuit further includes an indoor condensation dehumidification circuit and an outdoor heat absorption dehumidification circuit;

[0047] The indoor condensation and dehumidification circuit includes the compressor, the indoor condenser, the liquid storage drying tank, the coaxial tube and the evaporator of the front air conditioner;

[0048] The outdoor heat absorption and dehumidification circuit includes the compressor, the indoor condenser, the liquid storage drying tank, the coaxial tube and the outdoor heat exchanger;

[0049] The outlet of the compressor is connected to the indoor condenser, the liquid storage drying tank, the high-pressure side of the coaxial tube, the evaporator of the front air conditioner, the low-pressure side of the coaxial tube, and the inlet of the compressor in sequence, forming the indoor condensation and dehumidification circuit;

[0050] The outlet of the compressor is connected to the indoor condenser, the liquid storage drying tank, the high-pressure side of the coaxial tube, the outdoor heat exchanger, the low-pressure side of the coaxial tube and the inlet of the compressor in sequence to form the outdoor heat absorption and dehumidification circuit.

[0051] In a possible implementation, the heat exchange device includes an outdoor heat exchanger and a refrigerant heat exchanger.

[0052] In a second aspect, the present application provides a vehicle, which includes the vehicle thermal management architecture as described in the first aspect above.

[0053] An embodiment of the present application provides a vehicle thermal management architecture, which includes: a heat pump system; the heat pump system includes a battery pack heating circuit and a passenger compartment heating circuit; the battery pack heating circuit includes a first battery pack heating circuit; the passenger compartment heating circuit includes a first passenger compartment heating circuit; the first battery pack heating circuit includes a first water pump, a five-way valve, a water-heating heater and a water-cooled condenser; the first passenger compartment heating circuit includes the water-heating heater, a second water pump and a warm air core of a rear air conditioner; the outlet of the first water pump is connected in sequence to a circulating liquid pipeline of the battery pack of the vehicle, the five-way valve, the water-heating heater, the water-cooled condenser and an inlet of the first water pump, forming the first battery pack heating circuit; the outlet of the water-heating heater is connected in sequence to the second water pump, the warm air core of the rear air conditioner and an inlet of the water-heating heater, forming the first passenger compartment heating circuit. The heat pump system uses a shared water heater and a five-way valve. When the passenger compartment needs to be heated, the water heater can be used to heat the rear air conditioner to increase the heating rate of the passenger compartment. When the battery pack needs to be heated, the water heater can also be used to heat the battery pack, thereby meeting the heating needs of the battery and the passenger compartment, reducing the number of system components and optimizing the overall vehicle layout. BRIEF DESCRIPTION OF THE DRAWINGS

[0054] In order to more clearly illustrate the technical solutions in the embodiments of the present application, the drawings required for use in the embodiments or the description of the prior art will be briefly introduced below. Obviously, the drawings described below are only some embodiments of the present application. For ordinary technicians in this field, other drawings can be obtained based on these drawings without paying creative labor.

[0055] Figure 1 is a schematic diagram of the structure of a vehicle thermal management architecture provided in an embodiment of the present application;

[0056] Figure 1 The meanings of the various components in the vehicle thermal management architecture are as follows:

[0057] 1. Low temperature radiator; 2. Outdoor heat exchanger; 3. Electronic fan; 4. Overflow tank; 5. Check valve ①; 6. Four-way; 7. Three-way ①; 8. Three-way ②; 9. Third water pump; 10. All-in-one bridge (rear bridge); 11. Temperature sensor ①; 12. Refrigerant heat exchanger chiller; 13. Five-way valve; 14. Stop valve ①; 15. Stop valve ②; 16. Electronic expansion valve; 17. Check valve ②; 18. First water pump; 19. Battery pack; 20. Throttle tube; 21. Water-cooled condenser; 22. Stop valve ③; 23. Liquid storage drying tank; 24. Coaxial tube; 25. Check valve ③; 26. Temperature sensor ②; 27 , temperature sensor ③; 28, pressure sensor; 29, compressor; 30, temperature and pressure sensor; 31, electronic expansion valve ②; 32, thermal expansion valve + stop valve ①; 33, evaporator ①; 34, indoor condenser; 35, air heater; 36, stop valve ④; 37, check valve ④; 38, temperature sensor ④; 39, drive front axle; 40, water heater; 41, IDC; 42, temperature sensor ⑤; 43, second water pump; 44, thermal expansion valve + stop valve ②; 45, evaporator ②; 46, heater core ②; 47, check valve; 48, three-way valve; 49, water temperature sensor; 50, temperature sensor. DETAILED DESCRIPTION

[0058] In the following description, specific details such as specific system structures, technologies, etc. are provided for the purpose of illustration rather than limitation, so as to provide a thorough understanding of the embodiments of the present application. However, it should be clear to those skilled in the art that the present application may also be implemented in other embodiments without these specific details. In other cases, detailed descriptions of well-known systems, devices, circuits, and methods are omitted to prevent unnecessary details from obstructing the description of the present application.

[0059] In order to make the purpose, technical solutions and advantages of the present application clearer, specific embodiments will be described below in conjunction with the accompanying drawings.

[0060] Figure 1 A schematic diagram of the structural connection of a vehicle thermal management architecture provided in an embodiment of the present application, comprising: a heat pump system; the heat pump system comprises a battery pack heating circuit and a passenger compartment heating circuit;

[0061] The battery pack heating circuit includes a first battery pack heating circuit; the passenger compartment heating circuit includes a first passenger compartment heating circuit;

[0062] The first battery pack heating circuit includes a first water pump 18, a five-way valve 13, a water heater PTC (Positive Temperature Coefficient) 40 and a water-cooled condenser 21;

[0063] The first passenger compartment heating circuit includes the water heater 40, the second water pump 43 and the warm air core 46 of the rear air conditioner;

[0064] The outlet of the first water pump 18 is connected in sequence to the circulating fluid pipeline of the battery pack 19 of the vehicle, the five-way valve 13, the water heater 40, the water-cooled condenser 21 and the inlet of the first water pump 18, forming the first battery pack heating circuit;

[0065] The outlet of the water heater 40 is connected to the second water pump 43, the heater core 46 of the rear air conditioner and the inlet of the water heater 40 in sequence, forming the first passenger compartment heating circuit.

[0066] In this embodiment, the first battery pack heating circuit is a circuit that uses a water heater 40 to heat the battery pack 19 alone. The first battery pack heating circuit may also include a water temperature sensor 49, a temperature sensor 50, a three-way valve 48 and a three-way valve 8 in the battery pack 19;

[0067] Specifically, in the first battery pack heating circuit, the outlet of the first water pump 18 is connected to one end of the circulating fluid pipeline of the battery pack 19 of the vehicle, the other end of the circulating fluid pipeline of the battery pack 19 is connected to the port 4 of the five-way valve 13, the port 5 of the five-way valve 13 is connected to the water heater 40 through the three-way valve 48, the water heater 40 is connected to the water-cooled condenser 21, and the water-cooled condenser 21 is connected to the first water pump 18 through the three-way valve 8. Among them, the water temperature sensor 49 is used to monitor the outlet water temperature of the first water pump 18, and the temperature sensor 50 is used to monitor the outlet water temperature of the water heater 40.

[0068] In this embodiment, the first passenger compartment heating circuit further includes a temperature sensor 50 and a three-way valve 48. Specifically, in the first passenger compartment heating circuit, the outlet of the water heater 40 is connected to the second water pump 43, the second water pump 43 is connected to the warm air core 46 of the rear air conditioner HVAC, and the warm air core 46 of the rear air conditioner is connected to the water heater 40 through the three-way valve 48. The temperature sensor 50 is used to monitor the outlet water temperature of the water heater 40.

[0069] In this embodiment, the rear air conditioner of the vehicle is a heating ventilation and air conditioning (HVAC).

[0070] It can be seen from the above embodiments that the heat pump system uses a shared water heater 40 to heat the rear air conditioner to increase the heating rate of the passenger compartment when there is a heating demand in the passenger compartment. When there is a heating demand for the battery pack 19, the water heater 40 can also be used to heat the battery pack 19 by adjusting the opening of each port of the three-way valve 48, thereby meeting the heating requirements of the battery and the passenger compartment, reducing the number of system components, and optimizing the overall vehicle layout.

[0071] In a possible implementation, the battery pack heating circuit further includes a second battery pack heating circuit;

[0072] The second battery pack heating circuit includes the first water pump 18, the third water pump 9, the five-way valve 13 and the refrigerant heat exchanger 12;

[0073] The outlet of the first water pump 18 is connected to the circulating fluid pipeline of the battery pack 19, the five-way valve 13, the refrigerant heat exchanger 12 and the inlet of the first water pump 18 in sequence;

[0074] The outlet of the circulating fluid pipeline of the vehicle's driving system is sequentially connected to the five-way valve 13, the refrigerant heat exchanger 12, the third water pump 9 and the inlet of the circulating fluid pipeline of the driving system.

[0075] In this embodiment, the second battery pack heating circuit further includes a water temperature sensor 49 , a tee 7 , a tee 8 , a water temperature sensor 11 , a cross 6 and a water temperature sensor 42 .

[0076] Specifically, in the second battery pack heating circuit, the outlet of the first water pump 18 is connected to one end of the circulating liquid pipeline of the battery pack 19, the other end of the circulating liquid pipeline of the battery pack 19 is connected to the port 4 of the five-way valve 13, the port 3 of the five-way valve 13 is connected to the chiller 12, and the chiller 12 is connected to the first water pump 18 through the three-way valve 7 and the three-way valve 8 in sequence. The outlet of the circulating liquid pipeline of the vehicle's drive system is connected to the port 2 of the five-way valve 13, the port 3 of the five-way valve 13 is connected to the chiller 12, the chiller 12 is connected to the third water pump 9 through the three-way valve 7 and the four-way valve 6 in sequence, and the third water pump 9 is connected to the inlet of the circulating liquid pipeline of the drive system. Among them, the water temperature sensor 11 is used to detect the water temperature at the outlet of the circulating liquid pipeline of the drive system, and the water temperature sensor 42 is used to detect the water temperature at the inlet of the circulating liquid pipeline of the drive system.

[0077] Specifically, Figure 1As shown, the drive system referred to in this embodiment includes an IDC (Intelligent Distributed Control) 41, an all-in-one electric bridge, a front axle and other high-voltage components. The above two circuits of the second battery pack heating circuit work simultaneously, and the battery pack 19 is heated by the waste heat of the drive system motor or the active heat generated by the motor.

[0078] In a possible implementation, the battery pack heating circuit further includes a battery pack refrigerant side heating circuit;

[0079] The battery pack refrigerant side heating circuit includes the water-cooled condenser 21, the liquid storage drying tank 23, the coaxial tube 24, the heat exchange device and the compressor 29;

[0080] The outlet of the water-cooled condenser 21 is connected in sequence to the liquid storage drying tank 23, the high-pressure side of the coaxial tube 24, the heat exchange device, the low-pressure side of the coaxial tube 24, the compressor 29 and the inlet of the water-cooled condenser 21, forming a heating circuit on the refrigerant side of the battery pack.

[0081] In this embodiment, the first battery pack heating circuit is a coolant side heating circuit. When the first battery pack heating circuit and the battery pack refrigerant side heating circuit in the battery pack heating circuit operate simultaneously, the heat pump system heats the battery pack 19 by absorbing ambient heat.

[0082] Specifically, the first battery pack heating circuit also includes a water temperature sensor 49, a temperature sensor 50 and a tee 8. The heat exchange device includes an outdoor heat exchanger; when the heat exchange device is an outdoor heat exchanger, the battery pack refrigerant side heating circuit specifically includes a water-cooled condenser 21, a liquid storage drying tank 23, a coaxial tube 24, an electronic expansion valve 16, an outdoor heat exchanger 2, a stop valve 14, a temperature sensor 38, a one-way valve 37, a temperature sensor 27, a pressure sensor 28, a compressor 29, a temperature / pressure sensor 30 and a stop valve 22;

[0083] In this embodiment, the battery pack heating circuit includes a first battery pack heating circuit and a battery pack refrigerant side heating circuit. In the first battery pack heating circuit (coolant side), the outlet of the first water pump 18 is connected to one end of the circulating liquid pipeline of the battery pack 19 of the vehicle, and the other end of the circulating liquid pipeline of the battery pack 19 is connected to port 4 of the five-way valve 13, and port 5 of the five-way valve 13 is connected to the water-heating heater 40, and the water-heating heater 40 is connected to the water-cooled condenser 21, and the water-cooled condenser 21 is connected to the first water pump 18 through the three-way valve 8. In the heating circuit on the refrigerant side of the battery pack, the outlet of the water-cooled condenser 21 is connected to the liquid storage dry tank 23, the liquid storage dry tank 23 is connected to the first end of the high-pressure side of the coaxial tube 24, and the second end of the high-pressure side of the coaxial tube 24 is connected to the outdoor heat exchanger 2 through the electronic expansion valve 16. The outdoor heat exchanger 2 is connected to the first end of the low-pressure side of the coaxial tube 24 through the stop valve 14 and the one-way valve 37 in sequence, and the second end of the low-pressure side of the coaxial tube 24 is connected to the compressor 29. The compressor 29 is connected to the inlet of the water-cooled condenser 21 through the stop valve 22. Among them, the temperature sensor 50 is used to monitor the liquid temperature at the outlet of the water heating heater 40; the temperature sensor 49 is used to monitor the liquid temperature at the outlet of the first water pump 18; the temperature sensor 38 is used to detect the liquid temperature between the outdoor heat exchanger and the coaxial tube 24, the temperature sensor 27 is used to detect the liquid temperature flowing between the coaxial tube 24 and the compressor 29, the pressure sensor 28 is used to detect the pressure between the coaxial tube 24 and the compressor 29, and the temperature / pressure sensor 30 is used to detect the liquid temperature and pressure between the compressor 29 and the water-cooled condenser 21.

[0084] When the battery pack refrigerant side heating circuit and the coolant side heating circuit operate simultaneously, the heat pump system can heat the battery pack 19 by absorbing ambient heat.

[0085] In a possible implementation, the first battery pack heating circuit further includes a third water pump 9;

[0086] In the first battery pack heating circuit, the outlet of the circulating fluid pipeline of the vehicle's driving system is connected in sequence through the five-way valve 13, the heat exchange device, the third water pump 9 and the inlet of the circulating fluid pipeline of the driving system.

[0087] In this embodiment, the heat exchange device includes a refrigerant heat exchanger 12. When the heat exchange device is the refrigerant heat exchanger 12, the heating circuit on the refrigerant side of the battery pack includes a water-cooled condenser 21, a liquid storage drying tank 23, a coaxial tube 24, an electronic expansion valve 31, a refrigerant heat exchanger 12, a temperature sensor 26, a temperature sensor 27, a pressure sensor 28, a compressor 29 and a stop valve 22.

[0088] The battery pack heating circuit may include a first battery pack heating circuit and a battery pack refrigerant side heating circuit, wherein in the first battery pack heating circuit, the first water pump 18 is connected to one end of the circulating liquid pipeline of the battery pack 19, the other end of the circulating liquid pipeline of the battery pack 19 is connected to port 4 of the five-way valve 13, port 5 of the five-way valve 13 is connected to the water heating heater 40, the water heating heater 40 is connected to the water-cooled condenser 21, and the water-cooled condenser 21 is connected to the inlet of the first water pump 18 through the three-way valve 8; the outlet of the circulating liquid pipeline of the vehicle's drive system is connected to port 2 of the five-way valve 13, port 3 of the five-way valve 13 is connected to the refrigerant heat exchanger 12, the refrigerant heat exchanger 12 is connected to the third water pump 9 through the three-way valve 7 and the four-way valve 6 in sequence, and the third water pump 9 is connected to the inlet of the circulating liquid pipeline of the drive system. In the heating circuit on the refrigerant side of the battery pack, the outlet of the water-cooled condenser 21 is connected to the liquid storage drying tank 23, the liquid storage drying tank 23 is connected to the first end of the high-pressure side of the coaxial tube 24, the second end of the high-pressure side of the coaxial tube 24 is connected to the refrigerant heat exchanger 12 through the electronic expansion valve 31, the refrigerant heat exchanger 12 is connected to the first end of the low-pressure side of the coaxial tube 24, the second end of the low-pressure side of the coaxial tube 24 is connected to the compressor 29, and the compressor 29 is connected to the inlet of the water-cooled condenser 21 through the stop valve 22. Among them, the temperature sensor 26 is used to detect the liquid temperature between the refrigerant heat exchanger 12 and the coaxial tube 24, the temperature sensor 27 is used to detect the temperature of the liquid flowing between the coaxial tube 24 and the compressor 29, and the pressure sensor 28 is used to detect the pressure between the coaxial tube 24 and the compressor 29; the water temperature sensor 11 is used to monitor the liquid temperature at the outlet of the circulating liquid pipeline of the vehicle's drive system, and the water temperature sensor 42 is used to monitor the liquid temperature at the outlet of the third water pump 9.

[0089] The heat exchange device of the battery pack heating circuit is a refrigerant heat exchanger 12, and when the battery pack coolant side heating circuit and the battery pack refrigerant side heating circuit work simultaneously, the heat pump system can heat the battery pack 19 by absorbing motor waste heat or actively generating heat.

[0090] In a possible implementation, the heat pump system further includes a battery pack temperature equalization circuit;

[0091] The battery pack temperature equalization circuit includes the first water pump 18, the five-way valve 13 and the refrigerant heat exchanger 12;

[0092] The outlet of the first water pump 18 is connected in sequence to the circulating fluid pipeline of the battery pack 19, the five-way valve 13, the refrigerant heat exchanger 12 and the inlet of the first water pump 18 to form the battery pack temperature equalization circuit.

[0093] In this embodiment, the battery pack temperature equalization circuit further includes a water temperature sensor 49 , a tee 7 and a tee 8 .

[0094] Specifically, in the battery pack temperature equalization circuit, the outlet of the first water pump 18 is connected to one end of the circulating liquid pipeline of the battery pack 19, the other end of the circulating liquid pipeline of the battery pack 19 is connected to the port 4 of the five-way valve 13, the port 3 of the five-way valve 13 is connected to the refrigerant heat exchanger 12, and the refrigerant heat exchanger 12 is connected to the inlet of the first water pump 18 through the tee 7 and the tee 8 in sequence.

[0095] The battery pack temperature equalization circuit can evenly disperse the high-temperature points of the battery pack through the refrigerant heat exchanger 12 when there is no need for cooling or heating the battery pack, thereby achieving a temperature equalization effect.

[0096] In one possible implementation, the passenger compartment heating circuit further includes a second passenger compartment heating circuit;

[0097] The second passenger compartment heating circuit includes a passenger compartment refrigerant side heating circuit; the passenger compartment refrigerant side heating circuit includes a compressor 29, an indoor condenser 34, a liquid storage drying tank 23, a coaxial tube 24 and a heat exchange device;

[0098] The outlet of the compressor 29 is connected in sequence to the indoor condenser 34, the liquid storage drying tank 23, the high-pressure side of the coaxial tube 24, the heat exchange device, the low-pressure side of the coaxial tube 24 and the inlet of the compressor 29, forming a heating circuit on the refrigerant side of the passenger compartment.

[0099] In this embodiment, when the heat exchange device is an outdoor heat exchanger, the passenger compartment refrigerant side heating circuit further includes a one-way valve 25, an electronic expansion valve 16, a stop valve 14, a one-way valve 37, a temperature sensor 27 and a pressure sensor 28, a temperature / pressure sensor 30 and a stop valve 36. Accordingly, in the passenger compartment refrigerant side heating circuit, the outlet of the indoor condenser 34 is connected to the liquid storage dryer tank 23 through the one-way valve 25, the liquid storage dryer tank 23 is connected to the high-pressure side first end of the coaxial tube 24, the high-pressure side second end of the coaxial tube 24 is connected to the outdoor heat exchanger through the electronic expansion valve 16, the outdoor heat exchanger is connected to the low-pressure side first end of the coaxial tube 24 through the stop valve 14 and the one-way valve 37 in sequence, the low-pressure side second end of the coaxial tube 24 is connected to the compressor 29, and the compressor 29 is connected to the indoor condenser 34 through the stop valve 36. Among them, the temperature sensor 27 is used to detect the liquid temperature between the low-pressure side of the coaxial tube 24 and the compressor 29, the pressure sensor 28 is used to detect the liquid pressure between the low-pressure side of the coaxial tube 24 and the compressor 29, and the temperature / pressure sensor 30 is used to detect the liquid temperature and pressure at the outlet of the compressor 29.

[0100] When the heat exchange device is an outdoor heat exchanger, the second passenger compartment heating circuit can enable the heat pump system to absorb ambient heat to heat the passenger compartment by independently opening the passenger compartment refrigerant side heating circuit.

[0101] In a possible implementation manner, the second passenger compartment heating circuit further includes a passenger compartment coolant side heating circuit;

[0102] The passenger compartment coolant side heating circuit includes the five-way valve 13, the refrigerant heat exchanger 12 and the third water pump 9;

[0103] The outlet of the circulating fluid pipeline in the vehicle's drive system is sequentially connected to the five-way valve 13, the refrigerant heat exchanger 12, the third water pump 9 and the inlet of the circulating fluid pipeline of the drive system to form the passenger compartment coolant side heating circuit.

[0104] In this embodiment, when the heat exchange device is a refrigerant heat exchanger 12, the second passenger compartment heating circuit includes a passenger compartment refrigerant side heating circuit and a passenger compartment coolant side heating circuit, wherein the passenger compartment refrigerant side heating circuit further includes a temperature / pressure sensor 30, a one-way valve 25, a stop valve 36, an electronic expansion valve 31, a temperature sensor 27 and a pressure sensor 28. The passenger compartment coolant side heating circuit further includes a water temperature sensor 11, a three-way connection 7, a four-way connection 6 and a water temperature sensor 42.

[0105] Specifically, in the passenger compartment refrigerant side heating circuit, the outlet of the compressor 29 is connected to the indoor condenser 34 through the stop valve 36, the indoor condenser 34 is connected to the liquid storage drying tank 23 through the one-way valve 25, the liquid storage drying tank 23 is connected to the high-pressure side first end of the coaxial tube 24, the high-pressure side second end of the coaxial tube 24 is connected to the refrigerant heat exchanger 12 through the electronic expansion valve 31, the refrigerant heat exchanger 12 is connected to the low-pressure side first end of the coaxial tube 24, and the low-pressure side second end of the coaxial tube 24 is connected to the inlet of the compressor 29. In the passenger compartment coolant side heating circuit, the outlet of the circulating liquid pipeline of the drive system is connected to the port 2 of the five-way valve 13, the port 3 of the five-way valve 13 is connected to the refrigerant heat exchanger 12, the refrigerant heat exchanger 12 is connected to the third water pump 9 through the three-way 7 and the four-way 6 in sequence, and the third water pump 9 is connected to the inlet of the circulating liquid pipeline of the drive system.

[0106] When the heating circuit on the refrigerant side of the passenger compartment and the cooling circuit on the coolant side of the passenger compartment are turned on at the same time, the heat pump system can absorb the waste heat of the motor or actively generate heat and provide it to the passenger compartment.

[0107] In a possible implementation, the architecture further includes a refrigeration circuit;

[0108] The refrigeration circuit includes a drive system refrigeration circuit and a passenger compartment refrigeration circuit;

[0109] The drive system refrigeration circuit includes a low-temperature radiator 1, a third water pump 9 and the five-way valve 13;

[0110] The passenger compartment refrigeration circuit includes a compressor 29, an outdoor heat exchanger 2, a liquid storage drying tank 23, a coaxial tube 24 and a target evaporator; the target evaporator is the evaporator of the front air conditioner or the evaporator of the rear air conditioner;

[0111] The outlet of the low-temperature radiator 1 is connected to the third water pump 9, the circulating liquid pipeline in the driving system, the five-way valve 13 and the inlet of the low-temperature radiator 1 in sequence, forming a refrigeration circuit of the driving system;

[0112] The outlet of the compressor 29 is connected in sequence to the outdoor heat exchanger 2, the liquid storage drying tank 23, the high-pressure side of the coaxial tube 24, the target evaporator, the low-pressure side of the coaxial tube 24 and the inlet of the compressor 29, forming the passenger compartment refrigeration circuit.

[0113] Specifically, the refrigeration circuit of the drive system also includes a four-way valve 6, a water temperature sensor 42 and a water temperature sensor 11. Specifically, in the refrigeration circuit of the drive system, the outlet of the low-temperature radiator 1 is connected to the third water pump 9 through the four-way valve 6, the third water pump 9 is connected to one end of the circulating liquid pipeline of the drive system, the other end of the circulating liquid pipeline of the drive system is connected to the port 2 of the five-way valve 13, and the port 1 of the five-way valve 13 is connected to the inlet of the low-temperature radiator 1. Among them, the water temperature sensor 42 is used to detect the liquid temperature at the outlet of the third water pump 9, and the water temperature sensor 11 is used to detect the temperature of the outlet of the circulating liquid pipeline of the drive system.

[0114] The above-mentioned drive system refrigeration circuit can cool the high-voltage components of the drive system and quickly take away the heat generated by the high-voltage components.

[0115] In this embodiment, the passenger compartment refrigeration circuit further includes a temperature / pressure sensor 30, a stop valve 15, a check valve 17, a check valve 37, TXV+SOV32, TXV+SOV44, a check valve 47, a temperature sensor 27, and a pressure sensor 28. The passenger compartment refrigeration circuit may be: the outlet of the compressor 29 is connected to the outdoor heat exchanger 2 through the stop valve 15, the outdoor heat exchanger 2 is connected to the liquid storage drying tank 23 through the check valve 17, the liquid storage drying tank 23 is connected to the high-pressure side first end of the coaxial tube 24, the high-pressure side second end of the coaxial tube 24 is connected to the evaporator 33 of the front air conditioner through the valve TXV+SOV32, the evaporator 33 of the front air conditioner is connected to the low-pressure side first end of the coaxial tube 24 through the check valve 37, and the low-pressure side second end of the coaxial tube 24 is connected to the inlet of the compressor 29.

[0116] Another passenger compartment refrigeration circuit may be: the outlet of the compressor 29 is connected to the outdoor heat exchanger 2 through the stop valve 15, the outdoor heat exchanger 2 is connected to the liquid storage dryer 23 through the one-way valve 17, the liquid storage dryer 23 is connected to the first end of the high-pressure side of the coaxial tube 24, the second end of the high-pressure side of the coaxial tube 24 is connected to the evaporator 45 of the rear air conditioner through the valve TXV+SOV44, the evaporator 45 of the rear air conditioner is connected to the first end of the low-pressure side of the coaxial tube 24 through the one-way valve 47 and the one-way valve 37 in sequence, and the second end of the low-pressure side of the coaxial tube 24 is connected to the inlet of the compressor 29. Among them, the temperature / pressure sensor 30 is used to detect the temperature of the outlet of the compressor 29, the temperature sensor 27 is used to detect the temperature of the liquid between the low-pressure side of the coaxial tube 24 and the compressor 29, and the pressure sensor 28 is used to detect the liquid pressure between the low-pressure side of the coaxial tube 24 and the compressor 29.

[0117] Specifically, the front air conditioner of the vehicle is a heating ventilation and air conditioning (HVAC). The front air conditioner and the rear air conditioner involved in this embodiment are the front air conditioner and the rear air conditioner in the vehicle dual air conditioning system, and the front air conditioner is located near the cab, and the rear air conditioner is located near the passenger compartment.

[0118] The passenger compartment refrigeration circuit provided in this embodiment can cool the passenger compartment through a dual air conditioning system of a front air conditioner and / or a rear air conditioner, thereby meeting the cooling requirements of the passenger compartment in different vehicle usage scenarios and different vehicle configurations.

[0119] In one possible implementation, the thermal management architecture includes a refrigeration circuit, and the refrigeration circuit includes a battery pack refrigeration circuit;

[0120] The battery pack refrigeration circuit includes a battery pack active refrigeration circuit and a battery pack passive refrigeration circuit;

[0121] The battery pack active cooling circuit includes a first battery pack active cooling circuit and a second battery pack active cooling circuit;

[0122] The first battery pack active cooling circuit includes the five-way valve 13, the refrigerant heat exchanger 12 and the first water pump 18;

[0123] The second battery pack active refrigeration circuit includes the compressor 29, the outdoor heat exchanger 2, the liquid storage drying tank 23, the coaxial tube 24 and the refrigerant heat exchanger 12;

[0124] The battery pack passive cooling circuit includes the first water pump 18, the five-way valve 13 and the low-temperature radiator 1;

[0125] The outlet of the circulating liquid pipeline of the battery pack 19 is connected to the five-way valve 13, the refrigerant heat exchanger 12, the first water pump 18 and the inlet of the circulating liquid pipeline of the battery pack 19 in sequence, forming the first battery pack active refrigeration circuit;

[0126] The outlet of the compressor 29 is connected to the outdoor heat exchanger 2, the liquid storage drying tank 23, the high-pressure side of the coaxial tube 24, the refrigerant heat exchanger 12, the low-pressure side of the coaxial tube 24 and the inlet of the compressor 29 in sequence, forming the second battery pack active refrigeration circuit;

[0127] The outlet of the first water pump 18 is connected to the circulating fluid pipeline of the battery pack 19, the five-way valve 13, the low-temperature radiator 1 and the inlet of the first water pump 18 in sequence, forming a passive cooling circuit for the battery pack.

[0128] Specifically, the first battery pack active refrigeration circuit is a cooling liquid side refrigeration circuit, and the first battery pack active refrigeration circuit also includes a tee 7, a tee 8 and a water temperature sensor 49. In the first battery pack active refrigeration circuit, the outlet of the circulating liquid pipeline of the battery pack 19 is connected to the port 4 of the five-way valve 13, the port 3 of the five-way valve 13 is connected to the refrigerant heat exchanger 12, the refrigerant heat exchanger 12 is connected to the first water pump 18 through the tee 7 and the tee 8, and the first water pump 18 is connected to the inlet of the circulating liquid pipeline of the battery pack 19. Among them, the water temperature sensor 49 is used to detect the outlet temperature of the first water pump 18.

[0129] In this embodiment, the second battery pack active refrigeration circuit is a refrigerant side refrigeration circuit, and the second battery pack active refrigeration circuit also includes a temperature / pressure sensor 30, a stop valve 15, a one-way valve 17, an electronic expansion valve 31, a temperature sensor 26, a temperature sensor 27, and a pressure sensor 28. Specifically, in the second battery pack active refrigeration circuit, the outlet of the compressor 29 is connected to the outdoor heat exchanger 2 through the stop valve 15, the outdoor heat exchanger 2 is connected to the liquid storage dry tank 23 through the one-way valve 17, the liquid storage dry tank 23 is connected to the high-pressure side first end of the coaxial tube 24, the high-pressure side second end of the coaxial tube 24 is connected to the refrigerant heat exchanger 12 through the electronic expansion valve 31, the refrigerant heat exchanger 12 is connected to the low-pressure side first end of the coaxial tube 24, and the low-pressure side second end of the coaxial tube 24 is connected to the inlet of the compressor 29. Among them, the temperature / pressure sensor 30 is used to detect the temperature of the outlet of the compressor 29, and the temperature sensor 26 is used to detect the temperature of the outlet of the refrigerant heat exchanger 12; the temperature sensor 27 is used to detect the liquid temperature between the low-pressure side of the coaxial tube 24 and the compressor 29, and the pressure sensor 28 is used to detect the liquid pressure between the low-pressure side of the coaxial tube 24 and the compressor 29.

[0130] The first battery pack active refrigeration circuit and the second battery pack active refrigeration circuit working simultaneously can achieve active cooling of the battery pack 19 .

[0131] In this embodiment, the battery pack passive cooling circuit also includes a water temperature sensor 49, a four-way 6, a three-way 7, and a three-way 8. Specifically, in the battery pack passive cooling circuit, the outlet of the first water pump 18 is connected to the inlet of the circulating liquid pipeline of the battery pack 19, the outlet of the circulating liquid pipeline of the battery pack 19 is connected to the port 4 of the five-way valve 13, the port 1 of the five-way valve 13 is connected to the low-temperature radiator 1, and the low-temperature radiator 1 is connected to the inlet of the first water pump 18 through the four-way 6, the three-way 7, and the three-way 8.

[0132] In a possible implementation, the refrigeration circuit further includes an indoor condensation dehumidification circuit and an outdoor heat absorption dehumidification circuit;

[0133] The indoor condensation and dehumidification circuit includes the compressor 29, the indoor condenser 34, the liquid storage drying tank 23, the coaxial tube 24 and the evaporator of the front air conditioner;

[0134] The outdoor heat absorption and dehumidification circuit includes the compressor 29, the indoor condenser 34, the liquid storage drying tank 23, the coaxial tube 24 and the outdoor heat exchanger 2;

[0135] The outlet of the compressor 29 is connected in sequence to the indoor condenser 34, the liquid storage drying tank 23, the high-pressure side of the coaxial tube 24, the evaporator 33 of the front air conditioner, the low-pressure side of the coaxial tube 24, and the inlet of the compressor 29, forming the indoor condensation and dehumidification circuit;

[0136] The outlet of the compressor 29 is connected to the indoor condenser 34, the liquid storage drying tank 23, the high-pressure side of the coaxial tube 24, the outdoor heat exchanger 2, the low-pressure side of the coaxial tube 24 and the inlet of the compressor 29 in sequence, forming the outdoor heat absorption and dehumidification circuit.

[0137] In this embodiment, the indoor condensation dehumidification circuit can work alone to realize the short dehumidification function, and the indoor condensation dehumidification circuit and the outdoor heat absorption dehumidification circuit can also work simultaneously to realize the parallel dehumidification function.

[0138] In this embodiment, the indoor condensation and dehumidification circuit further includes a temperature and pressure sensor 30 , a stop valve 36 , a one-way valve 25 , a valve TXV+SOV32 , a one-way valve 37 , a temperature sensor 27 and a pressure sensor 28 .

[0139] In the indoor condensation and dehumidification circuit, the outlet of the compressor 29 is connected to the indoor condenser 34 through the stop valve 36, the indoor condenser 34 is connected to the liquid storage drying tank 23 through the one-way valve 25, the liquid storage drying tank 23 is connected to the first end of the high-pressure side of the coaxial tube 24, the second end of the high-pressure side of the coaxial tube 24 is connected to the evaporator 33 of the front air conditioner through the valve TXV+SOV32, the evaporator 33 of the front air conditioner is connected to the first end of the low-pressure side of the coaxial tube 24 through the one-way valve 37, and the second end of the low-pressure side of the coaxial tube 24 is connected to the inlet of the compressor 29. Among them, the temperature / pressure sensor 30 is used to detect the temperature of the outlet of the compressor 29, the temperature sensor 27 is used to detect the liquid temperature between the low-pressure side of the coaxial tube 24 and the compressor 29, and the pressure sensor 28 is used to detect the liquid pressure between the low-pressure side of the coaxial tube 24 and the compressor 29.

[0140] In this embodiment, the outdoor heat absorption and dehumidification circuit also includes a temperature / pressure sensor 30, a stop valve 36, a one-way valve 25, a valve EXV1 (16), a valve SOV1 (14), a temperature sensor 38, a one-way valve 37, a temperature sensor 27 and a pressure sensor 28.

[0141] In the outdoor heat absorption dehumidification circuit, the outlet of the compressor 29 is connected to the indoor condenser 34 through the stop valve 36, the indoor condenser 34 is connected to the liquid storage drying tank 23 through the check valve 25, the liquid storage drying tank 23 is connected to the first end of the high pressure side of the coaxial tube 24, the second end of the high pressure side of the coaxial tube 24 is connected to the outdoor heat exchanger 2 through the valve EXV1 (16), the outdoor heat exchanger 2 is connected to the first end of the low pressure side of the coaxial tube 24 through the valve SOV1 (14) and the check valve 37, and the second end of the low pressure side of the coaxial tube 24 is connected to the inlet of the compressor 29. Among them, the temperature / pressure sensor 30 is used to detect the temperature of the outlet of the compressor 29, and the temperature sensor 38 is used to detect the liquid temperature of the pipeline between the valve SOV114 and the check valve 37; the temperature sensor 27 is used to detect the liquid temperature between the low pressure side of the coaxial tube 24 and the compressor 29, and the pressure sensor 28 is used to detect the liquid pressure between the low pressure side of the coaxial tube 24 and the compressor 29.

[0142] In a possible implementation, the heat exchange device includes an outdoor heat exchanger 2 and a refrigerant heat exchanger 12 .

[0143] It can be seen from the above embodiments that the vehicle thermal management architecture provided in this embodiment can use the water heater 40 to heat the battery pack and the passenger compartment by adjusting the opening of the three-way valve, thereby reducing control costs. In addition, this embodiment can heat the battery and the passenger compartment at the same time through the water heater 40 of the shared battery circuit, which not only heats up quickly but also saves costs. Finally, the vehicle thermal management architecture provided in this embodiment strongly couples the heat pump system, the refrigeration system, the battery system, and the drive system through multiple three-way valves, realizing the complementary utilization of multiple heat, thereby achieving the effect of saving energy consumption.

[0144] In a second aspect, the present application provides a vehicle, which includes the vehicle thermal management architecture as described in the first aspect above.

[0145] In the above embodiments, the description of each embodiment has its own emphasis. For parts that are not described or recorded in detail in a certain embodiment, reference can be made to the relevant descriptions of other embodiments.

[0146] In addition, the embodiments shown in the drawings of the present application or the features of the various embodiments mentioned in this specification are not necessarily understood as independent embodiments. Instead, each feature described in one example of an embodiment can be combined with one or more other desired features from other embodiments to produce other embodiments not described in words or with reference to the drawings.

[0147] The embodiments described above are only used to illustrate the technical solutions of the present application, rather than to limit them. Although the present application has been described in detail with reference to the aforementioned embodiments, a person skilled in the art should understand that the technical solutions described in the aforementioned embodiments may still be modified, or some of the technical features may be replaced by equivalents. Such modifications or replacements do not deviate the essence of the corresponding technical solutions from the spirit and scope of the technical solutions of the embodiments of the present application, and should all be included in the protection scope of the present application.

Claims

1. A vehicle thermal management architecture, characterized in that: include: Heat pump system; The heat pump system includes a battery pack heating circuit and a passenger compartment heating circuit; The battery pack heating circuit includes a first battery pack heating circuit; the passenger compartment heating circuit includes a first passenger compartment heating circuit; The first battery pack heating circuit includes a first water pump, a five-way valve, a water heater and a water-cooled condenser; The first passenger compartment heating circuit includes the water heater, the second water pump and the heater core of the rear air conditioner; The outlet of the first water pump is connected to the circulating fluid pipeline of the battery pack of the vehicle, the five-way valve, the water heater, the water-cooled condenser and the inlet of the first water pump in sequence, forming the first battery pack heating circuit; The outlet of the water heater is connected to the second water pump, the heater core of the rear air conditioner and the inlet of the water heater in sequence, forming the first passenger compartment heating circuit.

2. The vehicle thermal management architecture according to claim 1, characterized in that: The battery pack heating circuit also includes a second battery pack heating circuit; The second battery pack heating circuit includes the first water pump, the third water pump, the five-way valve and the refrigerant heat exchanger; The outlet of the first water pump is connected to the circulating fluid pipeline of the battery pack, the five-way valve, the refrigerant heat exchanger and the inlet of the first water pump in sequence; The circulating fluid pipeline outlet of the vehicle's driving system is sequentially connected to the five-way valve, the refrigerant heat exchanger, the third water pump and the circulating fluid pipeline inlet of the driving system.

3. The vehicle thermal management architecture according to claim 1, characterized in that: The battery pack heating circuit also includes a battery pack refrigerant side heating circuit; The battery pack refrigerant side heating circuit includes the water-cooled condenser, liquid storage drying tank, coaxial tube, heat exchange device and compressor; The outlet of the water-cooled condenser is connected in sequence to the liquid storage drying tank, the high-pressure side of the coaxial tube, the heat exchange device, the low-pressure side of the coaxial tube, the compressor and the inlet of the water-cooled condenser to form a heating circuit on the refrigerant side of the battery pack.

4. The vehicle thermal management architecture according to claim 3, characterized in that: The first battery pack heating circuit also includes a third water pump; In the first battery pack heating circuit, the outlet of the circulating fluid pipeline of the vehicle's driving system is connected in sequence through the five-way valve, the heat exchange device, the third water pump and the inlet of the circulating fluid pipeline of the driving system.

5. The vehicle thermal management architecture according to claim 1, characterized in that: The heat pump system also includes a battery pack temperature equalization circuit; The battery pack temperature equalization circuit includes the first water pump, the five-way valve and a refrigerant heat exchanger; The outlet of the first water pump is connected to the circulating liquid pipeline of the battery pack, the five-way valve, the refrigerant heat exchanger and the inlet of the first water pump in sequence to form the battery pack temperature equalization circuit.

6. The vehicle thermal management architecture according to claim 1, characterized in that: The passenger compartment heating circuit also includes a second passenger compartment heating circuit; The second passenger compartment heating circuit includes a passenger compartment refrigerant side heating circuit; the passenger compartment refrigerant side heating circuit includes a compressor, an indoor condenser, a liquid storage drying tank, a coaxial tube and a heat exchange device; The outlet of the compressor is connected in sequence to the indoor condenser, the liquid storage drying tank, the high-pressure side of the coaxial tube, the heat exchange device, the low-pressure side of the coaxial tube and the inlet of the compressor, forming a heating circuit on the refrigerant side of the passenger compartment.

7. The vehicle thermal management architecture according to claim 6, characterized in that: The second passenger compartment heating circuit also includes a passenger compartment coolant side heating circuit; The passenger compartment coolant side heating circuit includes the five-way valve, the refrigerant heat exchanger and the third water pump; The outlet of the circulating fluid pipeline in the vehicle's drive system is sequentially connected to the five-way valve, the refrigerant heat exchanger, the third water pump and the inlet of the circulating fluid pipeline of the drive system to form the passenger compartment coolant side heating circuit.

8. The vehicle thermal management architecture according to claim 1, characterized in that: The architecture also includes a refrigeration circuit; The refrigeration circuit includes a drive system refrigeration circuit and a passenger compartment refrigeration circuit; The drive system refrigeration circuit includes a low-temperature radiator, a third water pump and the five-way valve; The passenger compartment refrigeration circuit includes a compressor, an outdoor heat exchanger, a liquid storage drying tank, a coaxial tube and a target evaporator; the target evaporator is the evaporator of the front air conditioner or the evaporator of the rear air conditioner; The outlet of the low-temperature radiator is connected to the third water pump, the circulating liquid pipeline in the driving system, the five-way valve and the inlet of the low-temperature radiator in sequence, forming a refrigeration circuit of the driving system; The outlet of the compressor is connected to the outdoor heat exchanger, the liquid storage drying tank, the high-pressure side of the coaxial tube, the target evaporator, the low-pressure side of the coaxial tube and the inlet of the compressor in sequence to form a refrigeration circuit for the passenger compartment.

9. The vehicle thermal management architecture according to claim 1 or 8, characterized in that: The thermal management architecture includes a refrigeration circuit, and the refrigeration circuit includes a battery pack refrigeration circuit; The battery pack refrigeration circuit includes a battery pack active refrigeration circuit and a battery pack passive refrigeration circuit; The battery pack active cooling circuit includes a first battery pack active cooling circuit and a second battery pack active cooling circuit; The first battery pack active cooling circuit includes the five-way valve, the refrigerant heat exchanger and the first water pump; The second battery pack active refrigeration circuit includes a compressor, an outdoor heat exchanger, a liquid storage drying tank, a coaxial tube and the refrigerant heat exchanger; The battery pack passive cooling circuit includes the first water pump, the five-way valve and a low-temperature radiator; The outlet of the circulating liquid pipeline of the battery pack is connected to the five-way valve, the refrigerant heat exchanger, the first water pump and the inlet of the circulating liquid pipeline of the battery pack in sequence, forming an active refrigeration circuit of the first battery pack; The outlet of the compressor is connected to the outdoor heat exchanger, the liquid storage drying tank, the high-pressure side of the coaxial tube, the refrigerant heat exchanger, the low-pressure side of the coaxial tube and the inlet of the compressor in sequence, forming an active refrigeration circuit for the second battery pack; The outlet of the first water pump is connected to the circulating liquid pipeline of the battery pack, the five-way valve, the low-temperature radiator and the inlet of the first water pump in sequence, forming a passive cooling circuit for the battery pack.

10. The vehicle thermal management architecture according to claim 9, characterized in that: The refrigeration circuit also includes an indoor condensation dehumidification circuit and an outdoor heat absorption dehumidification circuit; The indoor condensation and dehumidification circuit includes the compressor, the indoor condenser, the liquid storage drying tank, the coaxial tube and the evaporator of the front air conditioner; The outdoor heat absorption and dehumidification circuit includes the compressor, the indoor condenser, the liquid storage drying tank, the coaxial tube and the outdoor heat exchanger; The outlet of the compressor is connected to the indoor condenser, the liquid storage drying tank, the high-pressure side of the coaxial tube, the evaporator of the front air conditioner, the low-pressure side of the coaxial tube, and the inlet of the compressor in sequence, forming the indoor condensation and dehumidification circuit; The outlet of the compressor is connected to the indoor condenser, the liquid storage drying tank, the high-pressure side of the coaxial tube, the outdoor heat exchanger, the low-pressure side of the coaxial tube and the inlet of the compressor in sequence to form the outdoor heat absorption and dehumidification circuit.

11. The vehicle thermal management architecture according to claim 3 or 6, characterized in that: The heat exchange device includes an outdoor heat exchanger and a refrigerant heat exchanger.

12. A vehicle, characterized in that: Comprising a vehicle thermal management architecture as claimed in any one of claims 1 to 11.

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