Thermal management system and vehicle

Abstract

The application provides a heat management system and a vehicle. The heat management system comprises a refrigerant circuit. The refrigerant circuit comprises a refrigeration circuit. The refrigeration circuit comprises a compressor, a first water-cooled heat exchanger, an outdoor heat exchanger and an indoor heat exchange assembly. The outlet of the compressor is connected to the inlet of the first water-cooled heat exchanger, the outlet of the first water-cooled heat exchanger is connected to the inlet of the outdoor heat exchanger, and the outlet of the outdoor heat exchanger is connected to the indoor heat exchange assembly. The indoor heat exchange assembly is connected to the inlet of the compressor and is used for outputting refrigerant to the compressor. The first water-cooled heat exchanger and the outdoor heat exchanger are arranged in this way, so that the heat exchange amount is larger, and the user experience is good.

Description

Technical Field

[0001] This application relates to the field of thermal management technology, and more particularly to a thermal management system and vehicle. Background Technology

[0002] With the gradual development of technology, new energy vehicles are increasingly coming into people's view. New energy vehicles are automobiles that use unconventional vehicle fuels as their power source. They typically have functions such as in-vehicle cooling and heating.

[0003] In some new energy vehicles, the air conditioning is less effective in high-temperature environments, resulting in a slower cooling rate inside the vehicle and a poor user experience. Summary of the Invention

[0004] This application provides a thermal management system and vehicle that offers a good user experience.

[0005] This application provides a thermal management system, which includes a refrigerant circuit; the refrigerant circuit includes a refrigeration circuit; the refrigeration circuit includes a compressor, a first water-cooled heat exchanger, an outdoor heat exchanger, and an indoor heat exchange assembly;

[0006] The compressor outlet is connected to the inlet of the first water-cooled heat exchanger, the outlet of the first water-cooled heat exchanger is connected to the inlet of the outdoor heat exchanger, and the outlet of the outdoor heat exchanger is connected to the indoor heat exchange assembly; the indoor heat exchange assembly is connected to the compressor inlet and is used to output refrigerant to the compressor.

[0007] Furthermore, the indoor heat exchange assembly includes a first indoor heat exchanger and a second water-cooled heat exchanger; the first indoor heat exchanger includes a first port and a second port; the outlet of the outdoor heat exchanger is connected to the first port and the inlet of the second water-cooled heat exchanger; the second port and the outlet of the second water-cooled heat exchanger are connected to the inlet of the compressor;

[0008] The refrigerant circuit includes a heating circuit and a switching component; the heating circuit includes the compressor, the first water-cooled heat exchanger, the first indoor heat exchanger, and the second water-cooled heat exchanger; the outlet of the compressor is connected to the inlet of the first water-cooled heat exchanger, the outlet of the first water-cooled heat exchanger is connected to the second port, the first port is connected to the inlet of the second water-cooled heat exchanger, and the outlet of the second water-cooled heat exchanger is connected to the inlet of the compressor.

[0009] The outlet of the first water-cooled heat exchanger, the inlet of the outdoor heat exchanger, and the second port are connected to the switching component.

[0010] Furthermore, it includes a first sub-coolant circuit, a second sub-coolant circuit, and a multi-way valve. The first sub-coolant circuit passes through the second water-cooled heat exchanger. The second sub-coolant circuit includes a battery assembly. The first and second sub-coolant circuits are connected to the multi-way valve to enable the first and second sub-coolant circuits to be connected or disconnected.

[0011] Furthermore, it includes a third sub-coolant circuit, a fourth sub-coolant circuit, and a multi-way valve. The third sub-coolant circuit includes a radiator, and the fourth sub-coolant circuit includes electrical components. The third and fourth sub-coolant circuits are connected to the multi-way valve to enable the third sub-coolant circuit to be connected to or disconnected from the fourth sub-coolant circuit.

[0012] Further, it includes a fifth sub-coolant circuit, which passes through the first water-cooled heat exchanger; the fifth sub-coolant circuit is connected to the multi-way valve to connect or disconnect the fifth sub-coolant circuit from the third sub-coolant circuit; and / or

[0013] It includes a first sub-cooling fluid circuit, which passes through the second water-cooled heat exchanger; the first sub-cooling fluid circuit is connected to the multi-way valve so that the first sub-cooling fluid circuit can be selectively connected to at least one of the third sub-cooling fluid circuit and the fourth sub-cooling fluid circuit.

[0014] Furthermore, the indoor heat exchange assembly includes a second indoor heat exchanger, the outlet of the outdoor heat exchanger is connected to the inlet of the second indoor heat exchanger, and the outlet of the second indoor heat exchanger is connected to the inlet of the compressor; wherein, the first indoor heat exchanger is used for heat exchange of air in the cockpit, and the second indoor heat exchanger is used for heat exchange of air in the passenger cabin.

[0015] Furthermore, the indoor heat exchange assembly includes a first fan and an air heater, with the first fan, the second indoor heat exchanger, and the air heater arranged side by side.

[0016] Furthermore, it includes a fifth sub-cooling circuit, which includes a heater core and passes through the first water-cooled heat exchanger.

[0017] The indoor heat exchange component includes a second fan, and the second fan, the first indoor heat exchanger, and the heating core are arranged side by side.

[0018] Further, the fifth sub-coolant circuit includes a three-way valve, a main coolant line, and a branch coolant line; the main coolant line passes through the first water-cooled heat exchanger; the branch coolant line includes a heater core; the inlet and first outlet of the three-way valve are connected to the main coolant line, the second outlet of the three-way valve is connected to the branch coolant line, and the inlet of the three-way valve is connected to one of the first outlet and the second outlet of the three-way valve; and / or

[0019] The fifth sub-coolant circuit includes a coolant heater for heating the coolant in the fifth sub-coolant circuit.

[0020] This application provides a vehicle that includes a thermal management system as described in any of the above embodiments.

[0021] The thermal management system provided in this application includes a refrigerant circuit. The refrigerant circuit includes a refrigeration circuit, which comprises a compressor, a first water-cooled heat exchanger, an outdoor heat exchanger, and an indoor heat exchange assembly. In the refrigeration circuit, the indoor heat exchange assembly acts as an evaporator, used to lower the temperature of the air inside the vehicle. The first water-cooled heat exchanger and the outdoor heat exchanger act as condensers, thus utilizing them to dissipate heat from the refrigerant, resulting in greater heat exchange and faster cooling of the vehicle interior, leading to a better user experience.

[0022] It should be understood that the above general description and the following detailed description are exemplary and explanatory only, and do not limit this application. Attached Figure Description

[0023] The accompanying drawings, which are incorporated in and form part of this specification, illustrate embodiments consistent with this application and, together with the description, serve to explain the principles of this application.

[0024] Figure 1 The diagram shown is a schematic diagram of the thermal management system in cooling mode, an exemplary embodiment of this application.

[0025] Figure 2 The diagram shown is a schematic diagram of the thermal management system in heating mode, which is an exemplary embodiment of this application. Detailed Implementation

[0026] Exemplary embodiments will now be described in detail, examples of which are illustrated in the accompanying drawings. When the following description relates to the drawings, unless otherwise indicated, the same numbers in different drawings denote the same or similar elements. The embodiments described in the following exemplary embodiments do not represent all embodiments consistent with this application. Rather, they are merely examples of apparatuses and methods consistent with some aspects of this application as detailed in the appended claims.

[0027] The terminology used in this application is for the purpose of describing particular embodiments only and is not intended to limit the application. Unless otherwise defined, the technical or scientific terms used in this application should be understood in their ordinary sense by one of ordinary skill in the art to which this application pertains. The terms "first," "second," and similar terms used in this application specification and claims do not indicate any order, quantity, or importance, but are merely used to distinguish different components. Similarly, the terms "a" or "one," etc., do not indicate a quantity limitation, but rather indicate the presence of at least one. "A plurality" or "several" indicates two or more. Unless otherwise indicated, the terms "front," "rear," "lower," and / or "upper," etc., are for ease of description only and are not limited to a location or spatial orientation. The terms "comprising" or "including," etc., mean that the elements or objects preceding "comprising" or "including" encompass the elements or objects listed following "comprising" or "including" and their equivalents, and do not exclude other elements or objects. The terms "connected," "linked," etc., are not limited to physical or mechanical connections and can include electrical connections, whether direct or indirect.

[0028] The terminology used in this application is for the purpose of describing particular embodiments only and is not intended to be limiting of the application. The singular forms “a,” “the,” and “the” used in this application and the appended claims are also intended to include the plural forms unless the context clearly indicates otherwise. It should also be understood that the term “and / or” as used herein refers to and includes any or all possible combinations of one or more of the associated listed items.

[0029] This application provides a thermal management system and a vehicle. The thermal management system and vehicle of this application will be described in detail below with reference to the accompanying drawings. Unless otherwise specified, the features of the following embodiments and implementations can be combined with each other.

[0030] See Figure 1 and Figure 2 As shown, this application provides a thermal management system 10. The thermal management system 10 can be used in a vehicle. The thermal management system 10 includes a refrigerant circuit 11. The refrigerant circuit 11 includes a refrigeration circuit 62. Refrigerant can circulate in the refrigeration circuit 62, thereby achieving cooling of at least one of the air or coolant in the vehicle interior.

[0031] See Figure 1 As shown, the refrigeration circuit 62 includes a compressor 12, a first water-cooled heat exchanger 13, an outdoor heat exchanger 14, and an indoor heat exchange assembly 15. The refrigerant passing through the indoor heat exchange assembly 15 can be used to exchange heat with a heat medium. The heat medium includes at least one of coolant and air inside the vehicle.

[0032] The outlet 17 of compressor 12 is connected to the inlet 23 of the first water-cooled heat exchanger 13, the outlet 24 of the first water-cooled heat exchanger 13 is connected to the inlet 19 of the outdoor heat exchanger 14, the outlet 18 of the outdoor heat exchanger 14 is connected to the indoor heat exchange assembly 15, and the indoor heat exchange assembly 15 is connected to the inlet 16 of compressor 12 for discharging refrigerant to compressor 12. It is understood that refrigerant can pass through the aforementioned inlet and outlet, through the structure including the inlet and outlet. For example, refrigerant can pass through the inlet 23 and outlet 24 of the first water-cooled heat exchanger 13, thus passing through the first water-cooled heat exchanger 13.

[0033] In the refrigeration circuit 62, the refrigerant flows sequentially through the compressor 12, the first water-cooled heat exchanger 13, the outdoor heat exchanger 14, and the indoor heat exchange assembly 15. The first water-cooled heat exchanger 13 and the outdoor heat exchanger 14 act as condensers, while the indoor heat exchange assembly 15 acts as an evaporator. Thus, the indoor heat exchange assembly 15 can cool the heat transfer medium, such as the coolant, and also cool the air inside the vehicle. The indoor heat exchange assembly 15, acting as an evaporator, lowers the temperature of the air inside the vehicle. The first water-cooled heat exchanger 13 and the outdoor heat exchanger 14 act as condensers, dissipating heat from the refrigerant, resulting in greater heat exchange and faster cooling of the vehicle interior, thus improving the user experience.

[0034] In some embodiments, the indoor heat exchange assembly 15 includes a first indoor heat exchanger 20 and a second water-cooled heat exchanger 26. The first indoor heat exchanger 20 includes a first port 22 and a second port 27. The outlet 18 of the outdoor heat exchanger 14 is connected to the first port 22 and the inlet 28 of the second water-cooled heat exchanger 26. The second port 27 and the outlet 29 of the second water-cooled heat exchanger 26 are connected to the inlet 16 of the compressor 12.

[0035] In this embodiment, the indoor heat exchange assembly 15 includes a first control valve 21 and a second control valve 25. The first control valve 21 and the second control valve 25 can be expansion valves. The flow of refrigerant can be controlled by opening or closing the first control valve 21 and the second control valve 25. The flow rate of refrigerant flowing through the first control valve 21 and the second control valve 25 can also be adjusted by regulating their opening degrees.

[0036] The outlet 24 of the first water-cooled heat exchanger 13 is connected to the inlet 19 of the outdoor heat exchanger 14. The outlet 18 of the outdoor heat exchanger 14 is connected to one end of the first control valve 21. The other end of the first control valve 21 is connected to the first port 22 of the first indoor heat exchanger 20. The second port 27 of the first indoor heat exchanger 20 is connected to the inlet 16 of the compressor 12. Thus, when the first control valve 21 is opened, the refrigerant can flow through the first indoor heat exchanger 20 to achieve heat exchange between the refrigerant and the air inside the vehicle, thereby reducing the temperature inside the vehicle.

[0037] The outlet 18 of the outdoor heat exchanger 14 is connected to one end of the second control valve 25, and the other end of the second control valve 25 is connected to the inlet 28 of the second water-cooled heat exchanger 26. The outlet 29 of the second water-cooled heat exchanger 26 is connected to the inlet 16 of the compressor 12. Thus, when the second control valve 25 is opened, the refrigerant can flow through the second water-cooled heat exchanger 26, thereby achieving heat exchange between the refrigerant and the coolant, and thus reducing the temperature of the coolant.

[0038] See Figure 2 As shown, the refrigerant circuit 11 includes a heating circuit 63 and a switching assembly 64. The heating circuit 63 includes a compressor 12, a first water-cooled heat exchanger 13, a first indoor heat exchanger 20, and a second water-cooled heat exchanger 26. The outlet 17 of the compressor 12 is connected to the inlet 23 of the first water-cooled heat exchanger 13, the outlet 24 of the first water-cooled heat exchanger 13 is connected to the second port 27, the first port 22 is connected to the inlet 28 of the second water-cooled heat exchanger 26, and the outlet 29 of the second water-cooled heat exchanger 26 is connected to the inlet 16 of the compressor 12.

[0039] In the heating circuit 63, the refrigerant flows sequentially through the compressor 12, the first water-cooled heat exchanger 13, the first interior heat exchanger 20, and the second water-cooled heat exchanger 26. The first water-cooled heat exchanger 13 and the first interior heat exchanger 20 act as condensers, while the second water-cooled heat exchanger 26 acts as an evaporator. Thus, the first interior heat exchanger 20 enables heat exchange between the refrigerant and the air inside the vehicle, thereby raising the temperature inside the vehicle. The first interior heat exchanger 20 can be used to preheat the air inside the vehicle. The second water-cooled heat exchanger 26 enables heat exchange between the refrigerant and the coolant, thereby lowering the coolant temperature.

[0040] In this embodiment, the indoor heat exchange assembly 15 includes a third control valve 30. The second port 27 of the first indoor heat exchanger 20 is connected to one end of the third control valve 30, and the other end of the third control valve 30 is connected to the inlet 16 of the compressor 12. The connection or disconnection between the second port 27 and the inlet 16 of the compressor 12 can be achieved by opening or closing the third control valve 30. The third control valve 30 can be a solenoid valve. This allows the refrigerant to flow directly into the inlet 16 of the compressor 12 during the refrigerant circulation in the heating circuit 63. The third control valve 30 can be opened when the thermal management system 10 is in cooling mode and closed when the thermal management system 10 is in heating mode.

[0041] In some embodiments, the outlet 18 of the outdoor heat exchanger 14 is connected to one end of a one-way valve 61, and the other end of the one-way valve 61 is connected to the first port 22 of the first indoor heat exchanger 20. The one-way valve 61 is unidirectionally open from one end to the other, allowing unidirectional flow between the outlet 18 of the outdoor heat exchanger 14 and the first port 22 of the first indoor heat exchanger 20. This prevents refrigerant from flowing back into the outdoor heat exchanger 14 in the heating circuit 63.

[0042] See Figure 1 As shown, when the thermal management system 10 is in cooling mode, the refrigerant can flow sequentially through the compressor 12, the first water-cooled heat exchanger 13, the outdoor heat exchanger 14, and the indoor heat exchange assembly 15. The first water-cooled heat exchanger 13 and the outdoor heat exchanger 14 are equivalent to condensers, and the indoor heat exchange assembly 15 is equivalent to an evaporator. In this way, the indoor heat exchange assembly 15 can cool the heat medium, such as the coolant, and also cool the air inside the vehicle.

[0043] See Figure 2 As shown, when the thermal management system 10 is in heating mode, the refrigerant flows sequentially through the compressor 12, the first water-cooled heat exchanger 13, the first indoor heat exchanger 20, and the second water-cooled heat exchanger 26. The first water-cooled heat exchanger 13 and the first indoor heat exchanger 20 act as condensers, while the second water-cooled heat exchanger 26 acts as an evaporator. In this way, the first indoor heat exchanger 20 can achieve heat exchange between the refrigerant and the air inside the vehicle, thereby raising the temperature inside the vehicle.

[0044] This configuration allows the first indoor heat exchanger 20 to function as an evaporator when the thermal management system 10 is in cooling mode and as a condenser when the thermal management system 10 is in heating mode. This allows the temperature of the vehicle's interior air to be raised or lowered using only the first indoor heat exchanger 20, thus making full use of the first indoor heat exchanger 20.

[0045] The outlet 24 of the first water-cooled heat exchanger 13, the inlet 19 of the outdoor heat exchanger 14, and the second port 27 are connected to the switching assembly 64. This allows the outlet 24 of the first water-cooled heat exchanger 13 to communicate with one of the inlet 19 and the second port 27 of the outdoor heat exchanger 14. The switching assembly 64 may include a fourth control valve 31 and a fifth control valve 32. The switching assembly 64 may also include a switching valve.

[0046] In this embodiment, the outlet 24 of the first water-cooled heat exchanger 13 is connected to one end of the fourth control valve 31, and the other end of the fourth control valve 31 is connected to the inlet 19 of the outdoor heat exchanger 14. The connection or disconnection between the outlet 24 of the first water-cooled heat exchanger 13 and the inlet 19 of the outdoor heat exchanger 14 can be achieved by opening or closing the fourth control valve 31. If the fourth control valve 31 is open, the refrigerant can flow sequentially through the compressor 12, the first water-cooled heat exchanger 13, the outdoor heat exchanger 14, and the indoor heat exchange assembly 15. The refrigerant can circulate in the refrigeration circuit 62.

[0047] The outlet 24 of the first water-cooled heat exchanger 13 is connected to one end of the fifth control valve 32, and the other end of the fifth control valve 32 is connected to the second port 27. The connection or disconnection between the outlet 24 of the first water-cooled heat exchanger 13 and the second port 27 can be achieved by opening or closing the fifth control valve 32. The fourth control valve 31 can be a solenoid valve, and the fifth control valve 32 can be an expansion valve. If the fifth control valve 32 is open, the refrigerant can flow sequentially through the compressor 12, the first water-cooled heat exchanger 13, the first indoor heat exchanger 20, and the second water-cooled heat exchanger 26. The refrigerant can circulate in the heating circuit 63.

[0048] In some other embodiments, the outlet 24 of the first water-cooled heat exchanger 13, the inlet 19 of the outdoor heat exchanger 14, and the second port 27 are connected to a switching valve. The outlet 24 of the first water-cooled heat exchanger 13 can be connected to one of the inlet 19 and the second port 27 of the outdoor heat exchanger 14 by controlling the switching valve.

[0049] See Figure 1 As shown, in some embodiments, the indoor heat exchange assembly 15 includes a second indoor heat exchanger 58. The outlet 18 of the outdoor heat exchanger 14 is connected to the inlet 65 of the second indoor heat exchanger 58. The outlet 66 of the second indoor heat exchanger 58 is connected to the inlet 16 of the compressor 12.

[0050] In this embodiment, the indoor heat exchange assembly 15 includes a sixth control valve 57. The outlet 18 of the outdoor heat exchanger 14 is connected to one end of the sixth control valve 57, and the other end of the sixth control valve 57 is connected to the inlet 65 of the second indoor heat exchanger 58. The sixth control valve 57 can be an expansion valve. When the sixth control valve 57 is open, the refrigerant can circulate in the refrigeration circuit 62. The refrigerant can flow sequentially through the compressor 12, the first water-cooled heat exchanger 13, the outdoor heat exchanger 14, and the second indoor heat exchanger 58. Thus, the second indoor heat exchanger 58 acts as an evaporator, thereby reducing the temperature of the air inside the vehicle.

[0051] The first indoor heat exchanger 20 is used for heat exchange of air in the driver's cabin, and the second indoor heat exchanger 58 is used for heat exchange of air in the passenger cabin. Thus, the first indoor heat exchanger 20 can be used to heat the air in the front of the vehicle, and the second indoor heat exchanger 58 can be used to heat the air in the rear of the vehicle. By using the first indoor heat exchanger 20 and the second indoor heat exchanger 58, when the thermal management system 10 is in air conditioning cooling mode, both the first indoor heat exchanger 20 and the second indoor heat exchanger 58 can simultaneously evaporate and absorb heat, providing a greater cooling capacity to the thermal management system 10, resulting in a faster decrease in indoor air temperature and improved user comfort.

[0052] In some embodiments, the indoor heat exchange assembly 15 includes a first fan 59 and an air heater 60. The first fan 59 may be a blower, and the air heater 60 may be a PTC heater. The first fan 59, the second indoor heat exchanger 58, and the air heater 60 are arranged side-by-side. The air blown out by the first fan 59 can be heated at the air heater 60, thereby increasing the temperature of the air inside the vehicle.

[0053] See Figure 1 and Figure 2 As shown, in some embodiments, the thermal management system 10 includes a first sub-coolant circuit 33, a second sub-coolant circuit 34, and a multi-way valve 35. The multi-way valve 35 may be, but is not limited to, a nine-way valve. The first sub-coolant circuit 33 passes through a second water-cooled heat exchanger 26. When the second control valve 25 is open, the coolant in the first sub-coolant circuit 33 and the refrigerant in the refrigerant circuit 11 can exchange heat at the second water-cooled heat exchanger 26.

[0054] The second sub-coolant circuit 34 includes a battery assembly 36. The battery assembly 36 can be used to supply power. The first sub-coolant circuit 33 and the second sub-coolant circuit 34 are connected to a multi-way valve 35 to connect or disconnect the first and second sub-coolant circuits 33 and 34. The first and second sub-coolant circuits 33 and 34 can be connected or disconnected by switching the multi-way valve 35. When the first and second sub-coolant circuits 33 and 34 are connected, coolant can flow in both circuits. This allows the refrigerant in the refrigerant circuit 11 to cool the battery assembly 36, resulting in good cooling performance and efficient energy utilization.

[0055] In some embodiments, the second coolant circuit 34 further includes a battery water pump 37 connected to the battery assembly 36 for supplying coolant to the battery assembly 36.

[0056] In some embodiments, the thermal management system 10 includes a third sub-coolant circuit 38 and a fourth sub-coolant circuit 39. The third sub-coolant circuit 38 includes a radiator 40. In some embodiments, the radiator 40 may include a radiator tank 42 and a cooling fan 43, with the cooling fan 43 facing the radiator tank 42 through which coolant passes. This allows for heat exchange between the coolant and air via the radiator 40, thereby cooling the coolant. The fourth sub-coolant circuit 39 includes an electrical component 41. The electrical component 41 may include, but is not limited to, a motor 44 and an on-board power management module 45. The motor 44 may include a front motor 46 and a rear motor 47. The third sub-coolant circuit 38 and the fourth sub-coolant circuit 39 are connected to a multi-way valve 35 to connect or disconnect the third sub-coolant circuit 38 from the fourth sub-coolant circuit 39. When the third sub-coolant circuit 38 is connected to the fourth sub-coolant circuit 39, coolant can flow in both the third sub-coolant circuit 38 and the fourth sub-coolant circuit 39. In this way, the heat sink 40 can be used to cool the electrical component 41, and the cooling effect of the electrical component 41 is good.

[0057] In some embodiments, the cooling fan 43, the water tank 42, and the outdoor heat exchanger 14 are arranged side by side, so that the cooling fan 43 of the radiator 40 can be used to exchange heat between the refrigerant and the air, making the structure more compact and simple.

[0058] In some embodiments, the thermal management system 10 further includes an electric water pump 48 connected to the electrical component 41 for supplying coolant to the electrical component 41.

[0059] In some embodiments, the thermal management system 10 includes a fifth sub-coolant circuit 49, which passes through a first water-cooled heat exchanger 13. Thus, the coolant in the fifth sub-coolant circuit 49 and the refrigerant in the refrigerant circuit 11 can exchange heat at the first water-cooled heat exchanger 13. The fifth sub-coolant circuit 49 is connected to a multi-way valve 35 to connect or disconnect it from a third sub-coolant circuit 38. When the fifth sub-coolant circuit 49 is connected to the third sub-coolant circuit 38, coolant can flow in both circuits. This allows the radiator 40 to cool the coolant passing through the first water-cooled heat exchanger 13, improving the heat exchange efficiency of the first water-cooled heat exchanger 13.

[0060] In some embodiments, the fifth sub-cooling circuit 49 includes a heater pump 50, which is connected to the first water-cooled heat exchanger 13 and is used to supply coolant to the first water-cooled heat exchanger 13.

[0061] In some embodiments, the first sub-coolant circuit 33 may be selectively connected to at least one of the third sub-coolant circuit 38 and the fourth sub-coolant circuit 39. The first sub-coolant circuit 33 may be connected to the third sub-coolant circuit 38 so that coolant passing through the radiator 40 can pass through the second water-cooled heat exchanger 26, allowing the radiator 40 to absorb heat from the environment, thereby increasing the temperature of the vehicle's interior air more quickly. The first sub-coolant circuit 33 may be connected to the fourth sub-coolant circuit 39 so that coolant passing through the electrical components 41 can pass through the second water-cooled heat exchanger 26, thereby increasing the temperature of the vehicle's interior air more quickly. Similarly, the first sub-coolant circuit 33 may be connected to both the third sub-coolant circuit 38 and the fourth sub-coolant circuit 39.

[0062] In some embodiments, the fifth sub-coolant circuit 49 includes a heater core 51. The coolant passing through the first water-cooled heat exchanger 13 can then pass through the heater core 51. The coolant in the fifth sub-coolant circuit 49 and the refrigerant in the refrigerant circuit 11 can exchange heat at the first water-cooled heat exchanger 13 to heat the coolant, thereby heating the heater core 51. The interior heat exchange assembly 15 includes a second fan 52. The second fan 52 can be a blower. The second fan 52, the first interior heat exchanger 20, and the heater core 51 are arranged side-by-side. The air blown by the second fan 52 can be heated at the heater core 51, thereby increasing the temperature of the air inside the vehicle. In the heating circuit 63, when the outlet 24 of the first water-cooled heat exchanger 13 is connected to the second port 27 of the first interior heat exchanger 20, the first interior heat exchanger 20 acts as a condenser and can be used to increase the temperature of the air inside the vehicle. In this way, the heating core 51 can work together with the first indoor heat exchanger 20 to heat the air inside the vehicle. The indoor air can be preheated by the first indoor heat exchanger 20 and then reheated by the heating core 51, so that the temperature of the air inside the vehicle rises faster.

[0063] In some embodiments, the fifth sub-coolant circuit 49 includes a coolant heater 53. The coolant heater 53 may be a high-pressure coolant heater. The coolant heater 53 is used to heat the coolant in the fifth sub-coolant circuit 49. This allows the heater core 51 to be heated, and the heater core 51 can be heated more quickly.

[0064] In some embodiments, the fifth sub-coolant circuit 49 includes a three-way valve 54, a main coolant circuit 55, and a branch coolant circuit 56. The main coolant circuit 55 passes through the first water-cooled heat exchanger 13. The branch coolant circuit 56 includes a heater core 51. The inlet and first outlet of the three-way valve 54 are connected to the main coolant circuit 55, and the second outlet of the three-way valve 54 is connected to the branch coolant circuit 56. The inlet of the three-way valve 54 is connected to one of the first and second outlets of the three-way valve 54. When the inlet and the first outlet are connected, the coolant flows in the main coolant circuit 55 without passing through the heater core 51. When the inlet and the second outlet are connected, the coolant can pass through the heater core 51. This allows the coolant to flow through the heater core 51 to assist in heating the air inside the vehicle when the interior temperature is low, and also allows the coolant to not flow through the heater core 51 when the interior temperature is suitable, using only the first interior heat exchanger 20 to heat the interior air, thus improving the adaptability of the thermal management system 10.

[0065] This application also provides a vehicle that can be used to carry people and / or goods. The vehicle may be a new energy vehicle. The vehicle includes a thermal management system. It should be noted that the description of the thermal management system in the above embodiments and implementation methods also applies to the vehicle in this application.

[0066] Other embodiments of this application will readily occur to those skilled in the art upon consideration of the specification and practice of the application disclosed herein. This application is intended to cover any variations, uses, or adaptations of this application that follow the general principles of this application and include common knowledge or customary techniques in the art not disclosed herein. The specification and examples are to be considered exemplary only, and the true scope and spirit of this application are indicated by the following claims.

[0067] It should be understood that this application is not limited to the precise structure described above and shown in the accompanying drawings, and various modifications and changes can be made without departing from its scope. The scope of this application is limited only by the appended claims.

Claims

1. A thermal management system, characterized in that, The thermal management system includes a refrigerant circuit; the refrigerant circuit includes a refrigeration circuit; the refrigeration circuit includes a compressor, a first water-cooled heat exchanger, an outdoor heat exchanger, and an indoor heat exchange assembly; The compressor outlet is connected to the inlet of the first water-cooled heat exchanger, the outlet of the first water-cooled heat exchanger is connected to the inlet of the outdoor heat exchanger, and the outlet of the outdoor heat exchanger is connected to the indoor heat exchange assembly. The indoor heat exchange assembly is connected to the compressor inlet and is used to output refrigerant to the compressor. The indoor heat exchange assembly includes a first indoor heat exchanger and a second water-cooled heat exchanger. The first indoor heat exchanger includes a first port and a second port. The outlet of the outdoor heat exchanger is connected to the first port and the inlet of the second water-cooled heat exchanger. The second port and the outlet of the second water-cooled heat exchanger are connected to the compressor inlet. The refrigerant circuit includes a heating circuit and a switching component; the heating circuit includes the compressor, the first water-cooled heat exchanger, the first indoor heat exchanger, and the second water-cooled heat exchanger; the outlet of the compressor is connected to the inlet of the first water-cooled heat exchanger, the outlet of the first water-cooled heat exchanger is connected to the second port, the first port is connected to the inlet of the second water-cooled heat exchanger, and the outlet of the second water-cooled heat exchanger is connected to the inlet of the compressor. The outlet of the first water-cooled heat exchanger, the inlet of the outdoor heat exchanger, and the second port are connected to the switching assembly so that the outlet of the first water-cooled heat exchanger is connected to one of the inlet and the second port of the outdoor heat exchanger.

2. The thermal management system according to claim 1, characterized in that, It includes a first sub-cooling circuit, a second sub-cooling circuit, and a multi-way valve. The first sub-cooling circuit passes through the second water-cooled heat exchanger. The second sub-cooling circuit includes a battery assembly. The first sub-cooling circuit and the second sub-cooling circuit are connected to the multi-way valve to enable the first sub-cooling circuit and the second sub-cooling circuit to be connected or disconnected.

3. The thermal management system according to claim 1, characterized in that, It includes a third sub-coolant circuit, a fourth sub-coolant circuit, and a multi-way valve. The third sub-coolant circuit includes a radiator, and the fourth sub-coolant circuit includes electrical components. The third and fourth sub-coolant circuits are connected to the multi-way valve to enable the third and fourth sub-coolant circuits to be connected or disconnected.

4. The thermal management system according to claim 3, characterized in that, Includes a fifth sub-coolant circuit, which passes through the first water-cooled heat exchanger; the fifth sub-coolant circuit is connected to the multi-way valve to connect or disconnect the fifth sub-coolant circuit from the third sub-coolant circuit; and / or It includes a first sub-cooling fluid circuit, which passes through the second water-cooled heat exchanger; the first sub-cooling fluid circuit is connected to the multi-way valve so that the first sub-cooling fluid circuit can be selectively connected to at least one of the third sub-cooling fluid circuit and the fourth sub-cooling fluid circuit.

5. The thermal management system according to claim 1, characterized in that, The indoor heat exchange assembly includes a second indoor heat exchanger, the outlet of the outdoor heat exchanger is connected to the inlet of the second indoor heat exchanger, and the outlet of the second indoor heat exchanger is connected to the inlet of the compressor; wherein, the first indoor heat exchanger is used for heat exchange of air in the cockpit, and the second indoor heat exchanger is used for heat exchange of air in the passenger cabin.

6. The thermal management system according to claim 5, characterized in that, The indoor heat exchange assembly includes a first fan and an air heater, with the first fan, the second indoor heat exchanger, and the air heater arranged side by side.

7. The thermal management system according to claim 1, characterized in that, It includes a fifth sub-cooling circuit, which includes a heater core and passes through the first water-cooled heat exchanger. The indoor heat exchange component includes a second fan, and the second fan, the first indoor heat exchanger, and the heating core are arranged side by side.

8. The thermal management system according to claim 7, characterized in that, The fifth sub-coolant circuit includes a three-way valve, a main coolant circuit, and a branch coolant circuit; the main coolant circuit passes through the first water-cooled heat exchanger; the branch coolant circuit includes a heater core; the inlet and first outlet of the three-way valve are connected to the main coolant circuit, the second outlet of the three-way valve is connected to the branch coolant circuit, and the inlet of the three-way valve is connected to one of the first outlet and the second outlet of the three-way valve; and / or The fifth sub-coolant circuit includes a coolant heater for heating the coolant in the fifth sub-coolant circuit.

9. A vehicle, characterized in that, Including the thermal management system as described in any one of claims 1-8.

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