Thermal management system of vehicle and vehicle

Abstract

The utility model provides a thermal management system of a vehicle and the vehicle. The thermal management system comprises a refrigeration module and a heating module. The refrigeration module comprises a first refrigeration loop; the heating module comprises a first heating loop; in the first refrigeration loop, an outlet of the compressor is sequentially communicated with inlets of the water-cooling condenser, the first valve, the outdoor condenser, the liquid storage drying tank, the refrigeration equipment and the compressor; and in the first heating loop, an outlet of the compressor is sequentially communicated with inlets of the water-cooling condenser, the second valve, the liquid storage drying tank, the refrigeration equipment and the compressor. According to the thermal management system provided by the embodiment of the invention, switching between the refrigerating loop and the heating loop can be realized through the first valve and the second valve, so that pipelines of the thermal management system are simplified, and the layout of the whole vehicle is optimized.

Description

Technical Field

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

[0002] With the rapid development of PHEV (plug in hybrid electric vehicle), users have higher and higher requirements for the pure electric range of PHEV models. As an effective means to reduce the low-temperature heating energy consumption of the whole vehicle, the heat pump system has received more and more attention. Because PHEV has diverse power and heat sources, the cooling pipes of PHEV are complex and diverse.

[0003] Existing PHEV heat pump technologies all use heat pump outdoor heat exchangers to achieve low-temperature heat absorption, which leads to complex system refrigerant pipelines. Utility Model Content

[0004] The present application provides a vehicle thermal management system and a vehicle to solve the problem of complex pipelines in the vehicle thermal management system.

[0005] In a first aspect, the present application provides a thermal management system for a vehicle, comprising: a cooling module and a heating module;

[0006] The refrigeration module includes a first refrigeration loop; the heating module includes a first heating loop;

[0007] The first refrigeration loop includes a compressor, a water-cooled condenser, a first valve, an outdoor condenser, a liquid storage drying tank and a refrigeration device;

[0008] The first heating loop includes a compressor, a water-cooled condenser, a second valve, a liquid storage drying tank and a refrigeration device;

[0009] In the first refrigeration loop, the outlet of the compressor is sequentially connected to the water-cooled condenser, the first valve, the outdoor condenser, the liquid storage drying tank, the refrigeration equipment and the inlet of the compressor;

[0010] In the first heating loop, the outlet of the compressor is sequentially connected to the water-cooled condenser, the second valve, the liquid storage drying tank, the refrigeration equipment and the inlet of the compressor.

[0011] In a possible implementation manner, the refrigeration equipment includes a refrigerant heat exchanger and an evaporator; the first refrigeration loop and / or the first heating loop also includes a first expansion valve and a second expansion valve;

[0012] In the first refrigeration loop and / or the first heating loop, the first end of the first expansion valve is connected to the outlet of the liquid storage drying tank, the second end of the first expansion valve is connected to the first end of the refrigerant side of the refrigerant heat exchanger, and the second end of the refrigerant side of the refrigerant heat exchanger is connected to the inlet of the compressor;

[0013] The first end of the second expansion valve is communicated with the outlet of the liquid storage drying tank, the second end of the second expansion valve is communicated with the first end of the evaporator, and the second end of the evaporator is communicated with the inlet of the compressor.

[0014] In a possible implementation, the refrigeration module further includes an electric drive heat dissipation loop and a battery cooling loop; the electric drive heat dissipation loop includes a low-temperature radiator and a first water pump; the battery cooling loop includes a refrigerant heat exchanger and a second water pump;

[0015] In the electric drive heat dissipation loop, the outlet of the circulating fluid circulation pipeline of the battery drive mechanism is sequentially connected to the low-temperature radiator, the first water pump and the inlet of the circulating fluid circulation pipeline of the battery drive mechanism;

[0016] In the battery cooling loop, the outlet of the circulating liquid circulation pipeline of the battery module is sequentially connected to the water side of the refrigerant heat exchanger, the second water pump and the inlet of the circulating liquid circulation pipeline of the battery module.

[0017] In a possible implementation, the heating module further includes an electric drive waste heat recovery loop; the electric drive waste heat recovery loop includes a refrigerant heat exchanger and a first water pump;

[0018] In the electric drive waste heat recovery loop, the outlet of the circulating fluid circulation pipeline of the battery drive mechanism is sequentially connected to the water side of the refrigerant heat exchanger, the first water pump and the inlet of the circulating fluid circulation pipeline of the battery drive mechanism.

[0019] In a possible implementation, the heating module further includes an air source heat absorption loop;

[0020] The air source heat absorption loop includes a low temperature radiator;

[0021] In the air source heat absorption loop, the inlet of the low-temperature radiator is communicated with the outlet of the circulating liquid flow pipe of the battery drive mechanism, and the outlet of the low-temperature radiator is connected to the first water pump.

[0022] In a possible implementation, the heating module further includes a first battery heating loop;

[0023] The first battery heating loop includes a plate heat exchanger and a second water pump;

[0024] In the first battery heating loop, the outlet of the circulating liquid circulation pipeline of the battery module is sequentially connected to the plate heat exchanger, the second water pump and the inlet of the circulating liquid circulation pipeline of the battery module.

[0025] In a possible implementation, the heating module further includes a second battery heating loop;

[0026] The second battery heating loop includes a second water pump;

[0027] In the second battery heating loop, the first end of the second water pump is connected to the water side output end of the refrigerant heat exchanger, the second end of the second water pump is connected to the inlet of the circulating liquid circulation pipe of the battery module, and the outlet of the circulating liquid circulation pipe of the battery module is connected to the water side input end of the refrigerant heat exchanger.

[0028] In one possible implementation, the heating module further includes a third battery heating loop based on the engine and a first passenger compartment heating loop;

[0029] The third battery heating loop includes a third water pump, a water-cooled condenser, a heater, a heater core and a plate heat exchanger;

[0030] The first passenger compartment heating loop includes a third water pump, a water-cooled condenser, a heater and a heater core;

[0031] In the third battery heating loop, the outlet of the circulating fluid circulation pipeline of the engine is sequentially connected to the third water pump, the water-cooled condenser, the heater, the heater core, the plate heat exchanger and the inlet of the circulating fluid circulation pipeline of the engine;

[0032] In the first passenger compartment heating loop, the outlet of the engine's circulating fluid circulation conduit is sequentially connected to the third water pump, the water-cooled condenser, the heater, the heater core, and the inlet of the engine's circulating fluid circulation conduit.

[0033] In a possible implementation, the refrigeration loop further includes an engine heat dissipation loop:

[0034] The engine heat dissipation loop includes a high-temperature radiator;

[0035] In the engine heat dissipation loop, the outlet of the circulating fluid flow pipe of the engine is connected to one end of the high-temperature radiator, and the other end of the high-temperature radiator is communicated with the inlet of the circulating fluid flow pipe of the engine.

[0036] In one possible implementation, the heating module further includes a fourth battery heating loop and a second passenger compartment heating loop;

[0037] The fourth battery heating loop includes a third water pump, a water-cooled condenser, a heater, a heater core and a plate heat exchanger;

[0038] The second passenger compartment heating loop includes a third water pump, a water-cooled condenser, a heater and a heater core;

[0039] In the fourth battery heating loop, the outlet of the third water pump is sequentially connected to the water-cooled condenser, the heater, the warm air core, the plate heat exchanger and the inlet of the third water pump;

[0040] In the second passenger compartment heating loop, the outlet of the third water pump is sequentially connected to the water-cooled condenser, the heater, the heater core, and the inlet of the third water pump.

[0041] An embodiment of the present application provides a thermal management system for a vehicle and a vehicle, the thermal management system comprising: a refrigeration module and a heating module; the refrigeration module comprises a first refrigeration loop; the heating module comprises a first heating loop; the first refrigeration loop comprises a compressor, a water-cooled condenser, a first valve, an outdoor condenser, a liquid storage dry tank and a refrigeration device; the first heating loop comprises a compressor, a water-cooled condenser, a second valve, a liquid storage dry tank and a refrigeration device; in the first refrigeration loop, the outlet of the compressor is sequentially connected to the water-cooled condenser, the first valve, the outdoor condenser, the liquid storage dry tank, the refrigeration device and the inlet of the compressor; in the first heating loop, the outlet of the compressor is sequentially connected to the water-cooled condenser, the second valve, the liquid storage dry tank, the refrigeration device and the inlet of the compressor. The thermal management system provided in this embodiment can use a water-cooled condenser to release the heat of the refrigerant into the warm air loop when the vehicle has a heating demand, and use an outdoor condenser to release the heat of the refrigerant into the external environment when the vehicle has a cooling demand. The switching of the cooling loop and the heating loop is achieved by selecting the first valve and the second valve, thereby streamlining the thermal management system pipelines and optimizing the overall vehicle layout. BRIEF DESCRIPTION OF THE DRAWINGS

[0042] 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.

[0043] Figure 1 is a schematic diagram of the structure of a thermal management system for a vehicle provided in an embodiment of the present application;

[0044] Figure 2It is a schematic diagram of the structure of the electric drive heat dissipation loop and the battery cooling loop in the thermal management system provided in an embodiment of the present application;

[0045] Figure 3 is a schematic diagram of the structure of an electric drive waste heat recovery loop and a first battery heating loop provided in an embodiment of the present application;

[0046] Figure 4 It is a schematic diagram of the structure of the electric drive waste heat recovery loop, the air source heat absorption loop and the first battery heating loop provided in an embodiment of the present application;

[0047] Figure 5 It is a schematic diagram of the structure of an electric drive waste heat recovery loop and a second battery heating loop provided in an embodiment of the present application;

[0048] Figure 6 is a schematic structural diagram of a third battery heating loop and a first passenger compartment heating loop based on an engine provided in an embodiment of the present application;

[0049] Figure 7 is a schematic diagram of the structure of a fourth battery heating loop and a second passenger compartment heating loop provided in an embodiment of the present application;

[0050] Figure 8 It is a schematic diagram of the overall structure of the thermal management system of a vehicle provided in an embodiment of the present application.

[0051] The above-mentioned reference numerals are as follows:

[0052] 1. High-temperature radiator; 2. Outdoor condenser; 3. Low-temperature radiator; 4. Electronic fan; 5. One-way valve; 6. Three-way pipe; 7. First water pump; 8. Battery drive mechanism; 9. Three-way valve; 10. Three-way pipe; 11. Three-way pipe; 12. Three-way pipe; 13. Second water pump; 14. Battery module; 15. Three-way valve; 16. Plate heat exchanger; 17. Liquid storage drying tank; 18. Pressure sensor; 19. First expansion valve; 20. Second expansion valve; 21. Refrigerant heat exchanger; 22. Evaporator; 23. One-way valve; 24. Temperature and pressure sensor; 25. Compressor; 26. Temperature sensor; 27. Water-cooled condenser; 28. First valve; 29. ​​Second valve; 30. Third water pump; 31. Heater PTC; 32. Warm air core; 33. Three-way valve; 34. Three-way valve; 35. Engine. DETAILED DESCRIPTION

[0053] 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.

[0054] 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.

[0055] Figure 1 This is a schematic diagram of the structure of the thermal management system of a vehicle provided in an embodiment of the present application. Figure 1 As shown, the thermal management system of the vehicle includes: a cooling module and a heating module;

[0056] The refrigeration module includes a first refrigeration loop; the heating module includes a first heating loop;

[0057] The first refrigeration loop includes a compressor 25, a water-cooled condenser 27, a first valve 28, an outdoor condenser 2, a liquid storage drying tank 17 and a refrigeration device;

[0058] The first heating loop includes a compressor 25, a water-cooled condenser 27, a second valve 29, a liquid storage drying tank 17 and a refrigeration device;

[0059] In the first refrigeration loop, the outlet of the compressor 25 is connected in sequence to the water-cooled condenser 27, the first valve 28, the outdoor condenser 2, the liquid storage drying tank 17, the refrigeration equipment and the inlet of the compressor 25;

[0060] In the first heating loop, the outlet of the compressor 25 is connected to the water-cooled condenser 27, the second valve 29, the liquid storage drying tank 17, the refrigeration equipment and the inlet of the compressor 25 in sequence.

[0061] The above-mentioned embodiment provides a refrigerant circulation loop of a thermal management system, including a first refrigeration loop and a first heating loop.

[0062] Specifically, the first refrigeration loop also includes a temperature sensor 26 , a pressure sensor 18 , an electronic expansion valve and a temperature and pressure sensor 24 ; the first heating loop also includes a temperature sensor 26 , a pressure sensor 18 , an electronic expansion valve and a temperature and pressure sensor 24 .

[0063] Exemplarily, in the first refrigeration loop, the outlet of the compressor 25 is connected to the first end of the water-cooled condenser 27, the second end of the water-cooled condenser 27 is connected to the first end of the outdoor condenser 2 through the first valve 28, the second end of the outdoor condenser 2 is connected to the first end of the liquid storage dry tank 17, the second end of the liquid storage dry tank 17 is connected to the first end of the refrigeration device through the electronic expansion valve, and the second end of the refrigeration device is connected to the inlet of the compressor 25. Among them, the temperature sensor 26 is arranged on the pipeline between the compressor 25 and the water-cooled condenser 27, the pressure sensor 18 is arranged on the pipeline between the liquid storage dry tank 17 and the electronic expansion valve, and the temperature and pressure sensor 24 is arranged on the pipeline between the refrigeration device and the compressor 25.

[0064] In the first heating loop, the outlet of the compressor 25 is connected to the first end of the water-cooled condenser 27, the second end of the water-cooled condenser 27 is connected to the first end of the liquid storage dry tank 17 through the second valve 29, the second end of the liquid storage dry tank 17 is connected to the first end of the refrigeration device through the electronic expansion valve, and the second end of the refrigeration device is connected to the inlet of the compressor 25. Among them, the temperature sensor 26 is arranged on the pipeline between the compressor 25 and the water-cooled condenser 27, the pressure sensor 18 is arranged on the pipeline between the liquid storage dry tank 17 and the electronic expansion valve, and the temperature and pressure sensor 24 is arranged on the pipeline between the refrigeration device and the compressor 25.

[0065] It can be seen from the above embodiments that the thermal management system provided in this embodiment can use the water-cooled condenser 27 to release the refrigerant heat into the warm air loop when the vehicle has a heating demand, and use the outdoor condenser 2 to release the refrigerant heat into the external environment when the vehicle has a cooling demand, and realize the switching of the cooling loop and the heating loop by selecting the first valve 28 and the second valve 29, simplifying the thermal management system pipelines, and thus optimizing the overall vehicle layout.

[0066] In a possible implementation, the refrigeration device includes a refrigerant heat exchanger 21 and an evaporator 22; the first refrigeration loop and / or the first heating loop also includes a first expansion valve 19 and a second expansion valve 20;

[0067] In the first refrigeration loop and / or the first heating loop, the first end of the first expansion valve 19 is connected to the outlet of the liquid storage drying tank 17, the second end of the first expansion valve 19 is connected to the first end of the refrigerant side of the refrigerant heat exchanger 21, and the second end of the refrigerant side of the refrigerant heat exchanger 21 is connected to the inlet of the compressor 25;

[0068] A first end of the second expansion valve 20 is communicated with the outlet of the liquid storage drying tank 17 , a second end of the second expansion valve 20 is communicated with a first end of the evaporator 22 , and a second end of the evaporator 22 is communicated with the inlet of the compressor 25 .

[0069] Specifically, the first refrigeration loop further includes a first expansion valve 19 , a second expansion valve 20 and a one-way valve 23 .

[0070] For example, if the battery cooling requirement is to be met, the first refrigeration loop may be: the outlet of the compressor 25 is connected to the first end of the water-cooled condenser 27, the second end of the water-cooled condenser 27 is connected to the first end of the outdoor condenser 2 through the first valve 28, the second end of the outdoor condenser 2 is connected to the first end of the liquid storage dry tank 17, the second end of the liquid storage dry tank 17 is connected to the first end of the refrigerant side of the refrigerant heat exchanger 21 through the first expansion valve 19, and the second end of the refrigerant side of the refrigerant heat exchanger 21 is connected to the inlet of the compressor 25. If the evaporator 22 (passenger compartment) cooling requirement is to be met, the first refrigeration loop may be: the outlet of the compressor 25 is connected to the first end of the water-cooled condenser 27, the second end of the water-cooled condenser 27 is connected to the first end of the outdoor condenser 2 through the first valve 28, the second end of the outdoor condenser 2 is connected to the first end of the liquid storage dry tank 17, the second end of the liquid storage dry tank 17 is connected to the first end of the evaporator 22 through the second expansion valve 20, and the second end of the evaporator 22 is connected to the inlet of the compressor 25. Among them, the temperature sensor 26 is arranged on the pipeline between the compressor 25 and the water-cooled condenser 27, the pressure sensor 18 is arranged on the pipeline between the liquid storage drying tank 17 and the electronic expansion valve, and the temperature and pressure sensor 24 is arranged on the pipeline between the refrigeration equipment and the compressor 25.

[0071] The thermal management system provided in the above embodiment can achieve cooling management of the battery and the passenger compartment by enabling the first expansion valve 19 and the second expansion valve 20 .

[0072] In a possible implementation, the refrigeration device includes a refrigerant heat exchanger 21 and an evaporator 22; the first refrigeration loop also includes a first expansion valve 19 and a second expansion valve 20;

[0073] In the first heating loop, the first end of the first expansion valve 19 is connected to the outlet of the liquid storage drying tank 17, the second end of the first expansion valve 19 is connected to the first end of the refrigerant side of the refrigerant heat exchanger 21, and the second end of the refrigerant side of the refrigerant heat exchanger 21 is connected to the inlet of the compressor 25;

[0074] A first end of the second expansion valve 20 is communicated with the outlet of the liquid storage drying tank 17 , a second end of the second expansion valve 20 is communicated with a first end of the evaporator 22 , and a second end of the evaporator 22 is communicated with the inlet of the compressor 25 .

[0075] Specifically, the first heating loop further includes a first expansion valve 19 , a second expansion valve 20 and a one-way valve 23 .

[0076] For example, if the battery heating requirement is to be met, the first heating loop may be: the outlet of the compressor 25 is connected to the first end of the water-cooled condenser 27, the second end of the water-cooled condenser 27 is connected to the first end of the liquid storage dry tank 17 through the second valve 29, the second end of the liquid storage dry tank 17 is connected to the first end of the refrigerant side of the refrigerant heat exchanger 21 through the first expansion valve 19, and the second end of the refrigerant side of the refrigerant heat exchanger 21 is connected to the inlet of the compressor 25. If the evaporator 22 (passenger compartment) heating requirement is to be met, the first heating loop may be: the outlet of the compressor 25 is connected to the first end of the water-cooled condenser 27, the second end of the water-cooled condenser 27 is connected to the first end of the liquid storage dry tank 17 through the second valve 29, the second end of the liquid storage dry tank 17 is connected to the first end of the evaporator 22 through the second expansion valve 20, and the second end of the evaporator 22 is connected to the inlet of the compressor 25. Among them, the temperature sensor 26 is arranged on the pipeline between the compressor 25 and the water-cooled condenser 27, the pressure sensor 18 is arranged on the pipeline between the liquid storage drying tank 17 and the electronic expansion valve, and the temperature and pressure sensor 24 is arranged on the pipeline between the refrigeration equipment and the compressor 25.

[0077] The thermal management system provided in the above embodiment can achieve heating management of the battery and the passenger compartment by selecting the first expansion valve 19 and the second expansion valve 20 .

[0078] In a possible implementation, Figure 2 As shown, the refrigeration module also includes an electric drive heat dissipation loop and a battery cooling loop; the electric drive heat dissipation loop includes a low-temperature radiator 3 and a first water pump 7; the battery cooling loop includes a refrigerant heat exchanger 21 and a second water pump 13;

[0079] In the electric drive heat dissipation loop, the outlet of the circulating liquid circulation pipeline of the battery drive mechanism 8 is connected to the low-temperature radiator 3, the first water pump 7 and the inlet of the circulating liquid circulation pipeline of the battery drive mechanism 8 in sequence;

[0080] In the battery cooling loop, the outlet of the circulating liquid circulation pipeline of the battery module 14 is sequentially connected to the water side of the refrigerant heat exchanger 21 , the second water pump 13 and the inlet of the circulating liquid circulation pipeline of the battery module 14 .

[0081] Specifically, this embodiment meets the heat dissipation requirements of the battery module 14 and the battery drive mechanism 8 through the four modes of the water loop of the thermal management system, and at the same time realizes the recovery and utilization of heat from the battery drive mechanism 8, the battery module 14, and the air source in a low temperature environment.

[0082] Specifically, the electric drive heat dissipation loop also includes a three-way pipe 6 and a three-way valve 9 ; the battery cooling loop also includes a three-way pipe 12 , a three-way pipe 11 , a three-way pipe 10 and a three-way valve 15 .

[0083] In the electric drive heat dissipation loop, such as Figure 2 As shown, the outlet of the circulating liquid circulation pipeline of the battery-driven mechanism 8 is connected to the port a of the three-way valve 9, the port b of the three-way valve 9 is connected to one end of the low-temperature radiator 3, the other end of the low-temperature radiator 3 is connected to the port a of the three-way pipe 6, the port b of the three-way pipe is connected to one end of the first water pump 7, and the other end of the first water pump 7 is connected to the inlet of the circulating liquid circulation pipeline of the battery-driven mechanism 8.

[0084] In the battery cooling loop, such as Figure 2 As shown, the outlet of the circulating liquid circulation pipeline of the battery module 14 is connected to the port a of the three-way valve 15, the port b of the three-way valve 15 is connected to the port c of the three-way pipe 10, the port b of the three-way pipe 10 is connected to the first end of the water side of the refrigerant heat exchanger 21, the second end of the water side of the refrigerant heat exchanger 21 is connected to the port a of the three-way pipe 11, the port b of the three-way pipe 11 is connected to the port a of the three-way pipe 12, the port b of the three-way pipe 12 is connected to the first end of the second water pump 13, and the second end of the second water pump 13 is connected to the inlet of the circulating liquid circulation pipeline of the battery module 14.

[0085] In a possible implementation, Figure 3 As shown, the heating module also includes an electric drive waste heat recovery loop; the electric drive waste heat recovery loop includes a refrigerant heat exchanger 21 and a first water pump 7;

[0086] In the electric drive waste heat recovery loop, the outlet of the circulating liquid circulation pipeline of the battery drive mechanism 8 is connected to the water side of the refrigerant heat exchanger 21, the first water pump 7 and the inlet of the circulating liquid circulation pipeline of the battery drive mechanism 8 in sequence.

[0087] Specifically, the electric drive waste heat recovery loop also includes a three-way valve 9, a three-way pipe 6, a three-way pipe 11 and a three-way pipe 10. Figure 3 As shown, in the electric drive waste heat recovery loop, the outlet of the circulating liquid circulation pipeline of the battery drive mechanism 8 is connected to the port a of the three-way valve 9, the port c of the three-way valve is connected to the port a of the three-way pipe 10, the port b of the three-way pipe 10 is connected to the first end of the water side of the refrigerant heat exchanger 21, the second end of the water side of the refrigerant heat exchanger 21 is connected to the port a of the three-way pipe 11, the port c of the three-way pipe 11 is connected to the first end of the first water pump 7, and the second end of the first water pump 7 is connected to the inlet of the circulating liquid circulation pipeline of the battery drive mechanism 8.

[0088] In a possible implementation, Figure 4 As shown, the heating module also includes an air source heat absorption loop;

[0089] The air source heat absorption loop includes a low temperature radiator 3;

[0090] In the air source heat absorption loop, the inlet of the low-temperature radiator 3 is connected to the outlet of the circulating liquid flow pipe of the battery drive mechanism 8 , and the outlet of the low-temperature radiator 3 is connected to the first water pump 7 .

[0091] In this embodiment, if Figure 4 As shown, the air source heat absorption loop includes a low-temperature radiator 3, a three-way pipe 6, a first water pump 7 and a three-way valve 9; in the air source heat absorption loop, the outlet of the circulating liquid circulation pipeline of the battery drive mechanism 8 is connected to the port a of the three-way valve 9, the port b of the three-way valve 9 is connected to the inlet of the low-temperature radiator 3, the outlet of the low-temperature radiator 3 is connected to the port a of the three-way pipe 6, the port b of the three-way pipe 6 is connected to the inlet of the first water pump 7, and the outlet of the first water pump 7 is connected to the inlet of the circulating liquid circulation pipeline of the battery drive mechanism 8.

[0092] In this embodiment, if Figure 4 As shown, the air source heat absorption loop and the battery waste heat recovery loop can be enabled at the same time or separately. When the air source heat absorption loop and the battery waste heat recovery loop are enabled at the same time, the circulation of the two loops is achieved through the three-way pipe 6 and the three-way valve 9.

[0093] In a possible implementation, Figure 3 As shown, the heating module also includes a first battery heating loop;

[0094] The first battery heating loop includes a plate heat exchanger and a second water pump 13;

[0095] In the first battery heating loop, the outlet of the circulating liquid circulation pipeline of the battery module 14 is sequentially connected to the plate heat exchanger, the second water pump 13 and the inlet of the circulating liquid circulation pipeline of the battery module 14 .

[0096] In this embodiment, if Figure 3 As shown, the first battery heating loop also includes a three-way pipe 12 and a three-way valve 15. In the first battery heating loop, the outlet of the circulating liquid circulation pipeline of the battery module 14 is connected to the port a of the three-way valve 15, the port c of the three-way valve 15 is connected to the first end of the plate heat exchanger, the second end of the plate heat exchanger is connected to the port c of the three-way pipe 12, the port b of the three-way pipe 12 is connected to the first end of the second water pump 13, and the second end of the second water pump 13 is connected to the inlet of the circulating liquid circulation pipeline of the battery module 14.

[0097] In this embodiment, see Figure 3 The electric drive waste heat recovery loop and the first battery heating loop in the thermal management system can be enabled at the same time to realize waste heat recovery of the battery drive mechanism 8 and heat the battery through the recovered waste heat.

[0098] See also Figure 4The electric drive waste heat recovery loop, the air source heat absorption loop and the first battery heating loop in the thermal management system are enabled at the same time to realize the heat recovery of the battery drive mechanism 8 and the air source, and heat the battery by the recovered waste heat.

[0099] In one possible implementation, see Figure 5 , the heating module also includes a second battery heating loop;

[0100] The second battery heating loop includes a second water pump 13;

[0101] In the second battery heating loop, the first end of the second water pump 13 is connected to the water side output end of the refrigerant heat exchanger 21, the second end of the second water pump 13 is connected to the inlet of the circulating liquid circulation pipe of the battery module 14, and the outlet of the circulating liquid circulation pipe of the battery module 14 is connected to the water side input end of the refrigerant heat exchanger 21.

[0102] See also Figure 5 The second battery heating loop also includes a three-way pipe 6, a three-way pipe 11, a three-way pipe 12, a three-way valve 9, a three-way pipe 10 and a three-way valve 15. In the second battery heating loop, the outlet of the circulating liquid circulation pipeline of the battery module 14 is connected to the port a of the three-way valve 15, the port b of the three-way valve 15 is connected to the port c of the three-way pipe 10, the port a of the three-way pipe 10 is connected to the port c of the three-way valve 9, the port b of the three-way pipe 10 is connected to the first end of the water side of the refrigerant heat exchanger 21, the second end of the water side of the refrigerant heat exchanger 21 is connected to the port a of the three-way pipe 11, the port b of the three-way pipe 11 is connected to the port a of the three-way pipe 12, the port b of the three-way pipe 12 is connected to the first end of the second water pump 13, and the second end of the second water pump 13 is connected to the inlet of the circulating liquid circulation pipeline of the battery module 14.

[0103] The second battery heating loop can be connected to the electric drive waste heat recovery loop, so that the battery module 14 can be heated by the heat of the battery drive mechanism 8.

[0104] In one possible implementation, reference Figure 6 , the heating module further includes a third battery heating loop based on the engine and a first passenger compartment heating loop;

[0105] The third battery heating loop includes a third water pump 30, a water-cooled condenser 27, a heater PTC 31 (Positive Temperature Coefficient), a heater core 32 and a plate heat exchanger 16;

[0106] The first passenger compartment heating loop includes a third water pump 30, a water-cooled condenser 27, a heater 31 and a heater core 32;

[0107] In the third battery heating loop, the outlet of the circulating fluid circulation pipeline of the engine is sequentially connected to the third water pump 30, the water-cooled condenser 27, the heater 31, the warm air core 32, the plate heat exchanger 16 and the inlet of the circulating fluid circulation pipeline of the engine;

[0108] In the first passenger compartment heating loop, the outlet of the circulating fluid circulation conduit of the engine is connected in sequence to the third water pump 30, the water-cooled condenser 27, the heater 31, the heater core 32 and the inlet of the circulating fluid circulation conduit of the engine.

[0109] In the present embodiment, the third battery heating loop also includes a three-way valve 33 and a three-way valve 34. In the third battery heating loop, the outlet of the circulating fluid circulation pipeline of the engine is connected to one end of the third water pump 30, the other end of the third water pump 30 is connected to one end of the water-cooled condenser 27, the other end of the water-cooled condenser 27 is connected to one end of the heater PTC31, the other end of the PTC31 is connected to one end of the warm air core 32, the other end of the warm air core 32 is connected to port a of the three-way valve 33, port c of the three-way valve 33 is connected to port a of the three-way valve 34, port b of the three-way valve 33 is connected to one end of the plate heat exchanger, the other end of the plate heat exchanger is connected to port c of the three-way valve 34, and port b of the three-way valve 34 is connected to the inlet of the circulating fluid circulation pipeline of the engine.

[0110] In the present embodiment, the first passenger compartment heating loop also includes a three-way valve 33 and a three-way valve 34; in the third battery heating loop, the outlet of the circulating fluid circulation pipeline of the engine is connected to one end of the third water pump 30, the other end of the third water pump 30 is connected to one end of the water-cooled condenser 27, the other end of the water-cooled condenser 27 is connected to one end of the heater PTC31, the other end of the PTC is connected to one end of the heater core 32, the other end of the heater core 32 is connected to port a of the three-way valve 33, port c of the three-way valve 33 is connected to port a of the three-way valve 34, and port b of the three-way valve 34 is connected to the inlet of the circulating fluid circulation pipeline of the engine.

[0111] The above structure achieves the effect of using the engine waste heat to heat the passenger compartment and the battery.

[0112] In one possible implementation, reference Figure 6 , the refrigeration loop also includes an engine heat dissipation loop:

[0113] The engine heat dissipation loop includes a high-temperature radiator;

[0114] In the engine heat dissipation loop, the outlet of the circulating fluid flow pipe of the engine is connected to one end of the high-temperature radiator, and the other end of the high-temperature radiator is communicated with the inlet of the circulating fluid flow pipe of the engine.

[0115] In this embodiment, the engine can not only transfer heat to the passenger compartment and the battery, but also dissipate heat through a high-temperature radiator to ensure safe operation of the engine.

[0116] In one possible implementation, the heating module further includes a fourth battery heating loop and a second passenger compartment heating loop;

[0117] The fourth battery heating loop includes a third water pump 30, a water-cooled condenser 27, a heater 31, a warm air core 32 and a plate heat exchanger 16;

[0118] The second passenger compartment heating loop includes a third water pump 30, a water-cooled condenser 27, a heater 31 and a heater core 32;

[0119] In the fourth battery heating loop, the outlet of the third water pump 30 is sequentially connected to the water-cooled condenser 27, the heater 31, the warm air core 32, the plate heat exchanger 16 and the inlet of the third water pump 30;

[0120] In the second passenger compartment heating loop, the outlet of the third water pump 30 is sequentially connected to the water-cooled condenser 27 , the heater 31 , the heater core 32 , and the inlet of the third water pump 30 .

[0121] In this embodiment, the fourth battery heating loop also includes a three-way valve 22 and a three-way valve 34. In the fourth battery heating loop, the outlet of the third water pump 30 is connected to the water-cooled condenser 27, the water-cooled condenser 27 is connected to the heater PTC31, the heater 31 is connected to the warm air core 32, the warm air core 32 is connected to the port a of the three-way valve 33, the port b of the three-way valve 33 is connected to the plate heat exchanger 16, the plate heat exchanger 16 is connected to the port c of the three-way valve 34, and the port b of the three-way valve 34 is connected to the inlet of the third water pump 30.

[0122] The second passenger compartment heating loop also includes a three-way valve 22 and a three-way valve 34. In the second passenger compartment heating loop, the outlet of the third water pump 30 is connected to the water-cooled condenser 27, the water-cooled condenser 27 is connected to the heater PTC31, the heater 31 is connected to the heater core 32, the heater core 32 is connected to the port a of the three-way valve 33, the port c of the three-way valve 33 is connected to the port a of the three-way valve 34, and the port b of the three-way valve 34 is connected to the inlet of the third water pump 30.

[0123] The above structure can heat the battery module 14 through the heater 31 , the heater core 32 and the plate heat exchanger 16 , and heat the passenger compartment through the heater 31 and the heater core 32 .

[0124] like Figure 8 As shown, Figure 8 The overall structure diagram of the thermal management system of a vehicle provided by the embodiment of the utility model is shown as follows: Figure 8 As shown, by switching on and off different three-way valves, the refrigeration loop and the heating loop in the refrigerant loop of the thermal management system can be switched, and the refrigeration loop of the battery pack and the evaporator 22 can be switched. At the same time, electric drive waste heat recovery, battery waste heat recovery, air source heat absorption function and engine waste heat recovery can also be realized. On the basis of meeting the refrigeration and heat dissipation needs of each unit of the vehicle, the use of components is reduced, thereby streamlining the piping of the thermal management system.

[0125] 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.

[0126] 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 thermal management system for a vehicle, characterized in that: include: Cooling module and heating module; The refrigeration module includes a first refrigeration loop; the heating module includes a first heating loop; The first refrigeration loop includes a compressor, a water-cooled condenser, a first valve, an outdoor condenser, a liquid storage drying tank and a refrigeration device; The first heating loop includes a compressor, a water-cooled condenser, a second valve, a liquid storage drying tank and a refrigeration device; In the first refrigeration loop, the outlet of the compressor is sequentially connected to the water-cooled condenser, the first valve, the outdoor condenser, the liquid storage drying tank, the refrigeration equipment and the inlet of the compressor; In the first heating loop, the outlet of the compressor is sequentially connected to the water-cooled condenser, the second valve, the liquid storage drying tank, the refrigeration equipment and the inlet of the compressor.

2. The thermal management system of a vehicle according to claim 1, characterized in that: The refrigeration equipment includes a refrigerant heat exchanger and an evaporator; the first refrigeration loop and / or the first heating loop also includes a first expansion valve and a second expansion valve; In the first refrigeration loop and / or the first heating loop, the first end of the first expansion valve is connected to the outlet of the liquid storage drying tank, the second end of the first expansion valve is connected to the first end of the refrigerant side of the refrigerant heat exchanger, and the second end of the refrigerant side of the refrigerant heat exchanger is connected to the inlet of the compressor; The first end of the second expansion valve is communicated with the outlet of the liquid storage drying tank, the second end of the second expansion valve is communicated with the first end of the evaporator, and the second end of the evaporator is communicated with the inlet of the compressor.

3. The thermal management system for a vehicle according to claim 1, characterized in that: The refrigeration module further includes an electric drive heat dissipation loop and a battery cooling loop; the electric drive heat dissipation loop includes a low-temperature radiator and a first water pump; the battery cooling loop includes a refrigerant heat exchanger and a second water pump; In the electric drive heat dissipation loop, the outlet of the circulating fluid circulation pipeline of the battery drive mechanism is sequentially connected to the low-temperature radiator, the first water pump and the inlet of the circulating fluid circulation pipeline of the battery drive mechanism; In the battery cooling loop, the outlet of the circulating liquid circulation pipeline of the battery module is sequentially connected to the water side of the refrigerant heat exchanger, the second water pump and the inlet of the circulating liquid circulation pipeline of the battery module.

4. The thermal management system for a vehicle according to claim 1, characterized in that: The heating module also includes an electric drive waste heat recovery loop; the electric drive waste heat recovery loop includes a refrigerant heat exchanger and a first water pump; In the electric drive waste heat recovery loop, the outlet of the circulating fluid circulation pipeline of the battery drive mechanism is sequentially connected to the water side of the refrigerant heat exchanger, the first water pump and the inlet of the circulating fluid circulation pipeline of the battery drive mechanism.

5. The thermal management system for a vehicle according to claim 4, characterized in that: The heating module also includes an air source heat absorption loop; The air source heat absorption loop includes a low temperature radiator; In the air source heat absorption loop, the inlet of the low-temperature radiator is communicated with the outlet of the circulating liquid flow pipe of the battery drive mechanism, and the outlet of the low-temperature radiator is connected to the first water pump.

6. The thermal management system for a vehicle according to claim 4 or 5, characterized in that: The heating module also includes a first battery heating loop; The first battery heating loop includes a plate heat exchanger and a second water pump; In the first battery heating loop, the outlet of the circulating liquid circulation pipeline of the battery module is sequentially connected to the plate heat exchanger, the second water pump and the inlet of the circulating liquid circulation pipeline of the battery module.

7. The thermal management system for a vehicle according to claim 4, characterized in that: The heating module also includes a second battery heating loop; The second battery heating loop includes a second water pump; In the second battery heating loop, the first end of the second water pump is connected to the water side output end of the refrigerant heat exchanger, the second end of the second water pump is connected to the inlet of the circulating liquid circulation pipe of the battery module, and the outlet of the circulating liquid circulation pipe of the battery module is connected to the water side input end of the refrigerant heat exchanger.

8. The thermal management system for a vehicle according to claim 1, characterized in that: The heating module also includes a third battery heating loop based on the engine and a first passenger compartment heating loop; The third battery heating loop includes a third water pump, a water-cooled condenser, a heater, a heater core and a plate heat exchanger; The first passenger compartment heating loop includes a third water pump, a water-cooled condenser, a heater and a heater core; In the third battery heating loop, the outlet of the circulating fluid circulation pipeline of the engine is sequentially connected to the third water pump, the water-cooled condenser, the heater, the heater core, the plate heat exchanger and the inlet of the circulating fluid circulation pipeline of the engine; In the first passenger compartment heating loop, the outlet of the engine's circulating fluid circulation conduit is sequentially connected to the third water pump, the water-cooled condenser, the heater, the heater core, and the inlet of the engine's circulating fluid circulation conduit.

9. The thermal management system for a vehicle according to claim 1 or 8, characterized in that: The refrigeration loop also includes an engine heat dissipation loop: The engine heat dissipation loop includes a high-temperature radiator; In the engine heat dissipation loop, the outlet of the circulating fluid flow pipe of the engine is connected to one end of the high-temperature radiator, and the other end of the high-temperature radiator is communicated with the inlet of the circulating fluid flow pipe of the engine.

10. The thermal management system for a vehicle according to claim 1 or 8, characterized in that: The heating module also includes a fourth battery heating loop and a second passenger compartment heating loop; The fourth battery heating loop includes a third water pump, a water-cooled condenser, a heater, a heater core and a plate heat exchanger; The second passenger compartment heating loop includes a third water pump, a water-cooled condenser, a heater and a heater core; In the fourth battery heating loop, the outlet of the third water pump is sequentially connected to the water-cooled condenser, the heater, the warm air core, the plate heat exchanger and the inlet of the third water pump; In the second passenger compartment heating loop, the outlet of the third water pump is sequentially connected to the water-cooled condenser, the heater, the heater core, and the inlet of the third water pump.

11. A vehicle, characterized in that: Comprising a thermal management system as claimed in any one of claims 1 to 10.

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