Thermal management system and vehicle

Abstract

The utility model discloses a thermal management system and a vehicle, the thermal management system comprises a first control valve, the first control valve is communicated with a low temperature radiator, a heat exchanger, a battery heat exchange loop and a high pressure heat exchange loop; two valve ports of the second control valve are communicated with the first control valve, the other two valve ports of the second control valve are communicated with a passenger compartment loop, and the heat exchanger and / or the passenger compartment loop selectively exchange heat with an air conditioning system; the first control valve selectively communicates with one or more of the low-temperature radiator, the heat exchanger, the battery heat exchange loop, the high-pressure heat exchange loop and the passenger compartment loop. One or more of the low-temperature radiator, the heat exchanger, the battery heat exchange loop, the high-pressure heat exchange loop and the passenger compartment loop are communicated with one another through the first control valve and the second control valve, so that heat generated by the heat management system can be effectively utilized.

Description

Technical Field

[0001] The utility model relates to the technical field of thermal management systems, in particular to a thermal management system and a vehicle. Background Art

[0002] Thermal management architecture is a key link in the development of electric vehicle technology. It is related to battery pack performance, vehicle energy consumption and passenger comfort, and is an important way to improve the overall performance of electric vehicles.

[0003] Thermal management architecture, in simple terms, is a control system for the internal heat of electric vehicles, which involves multiple subsystems such as battery pack thermal management, drive motor cooling, air conditioning system, and passenger compartment temperature regulation. In electric vehicles, since the battery pack generates a lot of heat when working, and the performance and life of the battery pack are closely related to temperature, an efficient and intelligent thermal management architecture is crucial.

[0004] In the related technologies, the thermal management strategy has a poor correlation with the actual driving conditions of the vehicle, which causes the vehicle to have problems of high driving energy consumption and poor driving economy. Therefore, there is huge room for performance optimization in the thermal management architecture. Utility Model Content

[0005] The utility model aims to solve at least one of the technical problems existing in the prior art. To this end, the utility model proposes a thermal management system, which realizes the interconnection of one or more of a low-temperature radiator, a heat exchanger, a battery heat exchange circuit, a high-pressure heat exchange circuit and a passenger compartment circuit through a first control valve and a second control valve, so that the heat generated by the thermal management system can be effectively utilized.

[0006] According to the thermal management system of the embodiment of the first aspect of the utility model, it includes: a first control valve, the first control valve is connected to a low-temperature radiator, a heat exchanger, a battery heat exchange circuit and a high-pressure heat exchange circuit; a second control valve, two valve ports of the second control valve are connected to the first control valve, and the other two valve ports of the second control valve are connected to the passenger compartment circuit, and the heat exchanger and / or the passenger compartment circuit selectively exchanges heat with the air-conditioning system; wherein the first control valve selectively connects to one or more of the low-temperature radiator, the heat exchanger, the battery heat exchange circuit, the high-pressure heat exchange circuit and the passenger compartment circuit.

[0007] According to the thermal management system of the embodiment of the utility model, the first control valve and the second control valve are used to realize the interconnection of one or more of the low-temperature radiator, the heat exchanger, the battery heat exchange circuit, the high-pressure heat exchange circuit and the passenger compartment circuit. That is, the heat generated by the high-pressure heat exchange circuit or the battery heat exchange circuit or the passenger compartment circuit can be transported to the remaining circuits or devices, so that the heat generated by the thermal management system can be effectively utilized.

[0008] According to some embodiments of the present utility model, the first control valve includes: a first valve port and a second valve port, the first valve port and the second valve port are respectively connected to the two ends of the high-pressure heat exchange circuit; and, the first control valve includes: a third valve port and a fourth valve port, the third valve port and the fourth valve port are respectively connected to the two ends of the low-temperature radiator; and, the first control valve includes: a fifth valve port and a sixth valve port, the fifth valve port and the sixth valve port are respectively connected to the two ends of the heat exchanger; and, the first control valve includes: a seventh valve port and an eighth valve port, the seventh valve port and the eighth valve port are respectively connected to the two ends of the battery heat exchange circuit; and, the first control valve includes: a ninth valve port and a tenth valve port, the ninth valve port and the tenth valve port are respectively connected to the two valve ports of the second control valve.

[0009] According to some embodiments of the present utility model, the second control valve includes: an eleventh valve port and a twelfth valve port, the eleventh valve port and the twelfth valve port are respectively connected to the ninth valve port and the tenth valve port; and the second control valve includes: a thirteenth valve port and a fourteenth valve port, the thirteenth valve port and the fourteenth valve port are respectively connected to the two ends of the passenger compartment circuit; wherein any two valve ports among the eleventh valve port, the twelfth valve port, the thirteenth valve port and the fourteenth valve port are connected to each other.

[0010] According to some embodiments of the utility model, the passenger compartment circuit includes: a first water pump, a condenser, a heater core and a first temperature sensor, the first water pump, the condenser, the heater core and the first temperature sensor are arranged in series with each other, the other two valve ports of the second control valve are connected in series with the heater core, and the refrigerant of the air-conditioning system flows through the condenser.

[0011] According to some embodiments of the present invention, the passenger compartment circuit further includes: a first electric heater, which is arranged between the heater core and the condenser.

[0012] According to some embodiments of the utility model, the high-pressure heat exchange circuit includes: a second water pump, a high-pressure device and a second temperature sensor, the second water pump, the high-pressure device and the second temperature sensor are arranged in series with each other, and two ports of the first control valve are connected in series with the high-pressure device.

[0013] According to some embodiments of the present invention, the high-pressure heat exchange circuit further includes: a second electric heater, wherein the second electric heater is disposed between the second temperature sensor and the first control valve.

[0014] According to some embodiments of the present utility model, the battery heat exchange circuit includes: a third water pump, a battery pack and a third temperature sensor, the third water pump, the battery pack and the third temperature sensor are arranged in series with each other, and the other two ports of the first control valve are connected in series with the battery pack.

[0015] According to some embodiments of the utility model, the thermal management system also includes: an overflow tank, a first one-way valve and a second one-way valve; wherein a first overflow branch is arranged between the overflow tank and the low-temperature radiator, and the first one-way valve is arranged on the first overflow branch; and, a second overflow branch is arranged between the overflow tank and the passenger compartment circuit, and the second one-way valve is arranged on the second overflow branch; and, a third overflow branch is arranged between the overflow tank and the battery heat exchange circuit.

[0016] A vehicle according to an embodiment of the second aspect of the utility model includes the thermal management system.

[0017] Additional aspects and advantages of the present invention will be given in part in the following description, and in part will become apparent from the following description, or will be learned through the practice of the present invention. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] The above and / or additional aspects and advantages of the present invention will become apparent and easily understood from the description of the embodiments in conjunction with the following drawings, in which:

[0019] Figure 1 is a schematic structural diagram of a thermal management system according to an embodiment of the utility model;

[0020] Figure 2 is a structural schematic diagram of working mode 1 of a thermal management system according to an embodiment of the utility model;

[0021] Figure 3 is a structural schematic diagram of working mode 2 of a thermal management system according to an embodiment of the utility model;

[0022] Figure 4 is a structural schematic diagram of working mode 3 of a thermal management system according to an embodiment of the utility model;

[0023] Figure 5 is a structural schematic diagram of working mode 4 of a thermal management system according to an embodiment of the utility model;

[0024] Figure 6 is a structural schematic diagram of working mode 5 of a thermal management system according to an embodiment of the utility model;

[0025] Figure 7 is a structural schematic diagram of working mode 6 of a thermal management system according to an embodiment of the utility model;

[0026] Figure 8 is a structural schematic diagram of working mode 7 of a thermal management system according to an embodiment of the utility model;

[0027] Fig. 9 is a structural schematic diagram of working mode eight of a thermal management system according to an embodiment of the utility model;

[0028] Fig.10 is a structural schematic diagram of working mode nine of a thermal management system according to an embodiment of the utility model;

[0029] Fig.11 is a structural schematic diagram of working mode 10 of a thermal management system according to an embodiment of the utility model;

[0030] Fig.12 is a structural schematic diagram of an eleventh working mode of a thermal management system according to an embodiment of the utility model;

[0031] Fig.13 is a structural schematic diagram of working mode 12 of a thermal management system according to an embodiment of the utility model;

[0032] Fig.14 is a structural schematic diagram of working mode thirteen of a thermal management system according to an embodiment of the utility model;

[0033] Fig.15 is a structural schematic diagram of a fourteenth working mode of a thermal management system according to an embodiment of the utility model;

[0034] Fig.16 is a structural schematic diagram of working mode 15 of a thermal management system according to an embodiment of the utility model;

[0035] Fig.17 It is a structural schematic diagram of another embodiment of the thermal management system according to the embodiment of the utility model.

[0036] Reference numerals:

[0037] 100. Thermal management system;

[0038] 10. Passenger compartment circuit; 11. First water pump; 12. Condenser; 13. Warm air core; 14. First temperature sensor; 15. First electric heater;

[0039] 20. High-pressure heat exchange circuit; 21. Second water pump; 22. High-pressure device; 23. Second temperature sensor; 24. Second electric heater;

[0040] 30. Battery heat exchange circuit; 31. Third water pump; 32. Battery pack; 33. Third temperature sensor;

[0041] 41. Heat exchanger; 42. Low temperature radiator; 43. Overflow tank;

[0042] 50. Second control valve; 60. First control valve. DETAILED DESCRIPTION

[0043] The embodiments of the present utility model are described in detail below. The embodiments described with reference to the accompanying drawings are exemplary. The embodiments of the present utility model are described in detail below.

[0044] Reference below Figure 1-Figure 17 A thermal management system 100 according to an embodiment of the present invention is described, and the present invention also provides a vehicle.

[0045] The thermal management system 100 of the embodiment of the present invention includes: a first control valve 60 and a second control valve 50 .

[0046] The first control valve 60 is connected to the low-temperature radiator 42 , the heat exchanger 41 , the battery heat exchange loop 30 and the high-pressure heat exchange loop 20 .

[0047] And, two valve ports of the second control valve 50 are connected to the first control valve 60, and the other two valve ports of the second control valve 50 are connected to the passenger compartment circuit 10,

[0048] In addition, the heat exchanger 41 and / or the passenger compartment circuit 10 selectively exchanges heat with the air conditioning system. That is, the refrigerant of the air conditioning system can flow through the heat exchanger 41 and / or the condenser 12 of the passenger compartment, so that the air conditioning system can achieve heating of the passenger compartment circuit 10, and the air conditioning system can absorb heat from the heat exchanger 41 and transport it to the condenser 12 of the passenger compartment, which can also achieve heating of the passenger compartment.

[0049] The first control valve 60 selectively connects one or more of the low-temperature radiator 42 , the heat exchanger 41 , the battery heat exchange circuit 30 , the high-pressure heat exchange circuit 20 and the passenger compartment circuit 10 .

[0050] For example, the low-temperature radiator 42 and the high-pressure heat exchange circuit 20 are interconnected through the first control valve 60 , so that the heat generated by the high-pressure device 22 is brought to the low-temperature radiator 42 through the coolant, thereby achieving heat dissipation of the high-pressure device 22 .

[0051] For another example, the low-temperature radiator 42, the high-pressure heat exchange circuit 20 and the battery heat exchange circuit 30 are connected in series through the first control valve 60. Driven by the second water pump 21 and the third water pump 31, the coolant circulates among the low-temperature radiator 42, the high-pressure heat exchange circuit 20 and the battery heat exchange circuit 30, so that the heat generated by the battery pack 32 and the high-voltage device 22 can be transported to the low-temperature radiator 42 and dissipated to the outside, thereby achieving heat dissipation of the battery pack 32 and the high-voltage device 22.

[0052] For another example, the passenger compartment circuit 10, the high-pressure heat exchange circuit 20 and the low-temperature radiator 42 are connected in series through the first control valve 60 and the second control valve 50, that is, the condenser 12, the high-pressure device 22 and the low-temperature radiator 42 are connected in series, so that the heat generated by the condenser 12 and the high-pressure device 22 can be transported to the low-temperature radiator 42 and dissipated to the outside, thereby realizing the heat dissipation of the condenser 12 and the high-pressure device 22.

[0053] Thus, the first control valve 60 and the second control valve 50 are used to realize the interconnection of one or more of the low-temperature radiator 42, the heat exchanger 41, the battery heat exchange circuit 30, the high-pressure heat exchange circuit 20 and the passenger compartment circuit 10, that is, the heat generated by the high-pressure heat exchange circuit 20 or the battery heat exchange circuit 30 or the passenger compartment circuit 10 can be transported to the remaining circuits or devices, so that the heat generated by the thermal management system 100 can be effectively utilized.

[0054] Reference Figure 2-Figure 16 As shown, the first control valve 60 includes: a first valve port and a second valve port, and the first valve port and the second valve port are respectively connected to the two ends of the high-pressure heat exchange circuit 20. That is to say, the first valve port and the second valve port on the first control valve 60 can be connected to the high-pressure heat exchange circuit 20, so that the high-pressure heat exchange circuit 20 and other valve ports of the first control valve 60 can be connected through the first valve port and the second valve port, thereby realizing the connection between the high-pressure heat exchange circuit 20 and other circuits. Among them, the first valve port is Figure 2-Figure 16 The second valve port is Figure 2-Figure 16 The "B" in .

[0055] The first control valve 60 includes: a third valve port and a fourth valve port, and the third valve port and the fourth valve port are respectively connected to the two ends of the low-temperature radiator 42; that is, the third valve port and the fourth valve port on the first control valve 60 can be connected to the low-temperature radiator 42, so that the low-temperature radiator 42 and other valve ports of the first control valve 60 can be connected through the third valve port and the fourth valve port, thereby realizing the connection between the low-temperature radiator 42 and other circuits. Among them, the third valve port is Figure 2-Figure 16 The "C" in the figure indicates that the fourth valve port is Figure 2-Figure 16 The "D" in .

[0056] The first control valve 60 includes: a fifth valve port and a sixth valve port, which are respectively connected to the two ends of the heat exchanger 41; that is, the fifth valve port and the sixth valve port on the first control valve 60 can be connected to the heat exchanger 41, so that the heat exchanger 41 can be connected to other valve ports of the first control valve 60 through the fifth valve port and the sixth valve port, thereby realizing the connection between the heat exchanger 41 and other circuits. Among them, the fifth valve port is Figure 2-Figure 16 The "E" in the figure indicates that the sixth valve port is Figure 2-Figure 16The "F" in .

[0057] The first control valve 60 includes: a seventh valve port and an eighth valve port, which are respectively connected to the two ends of the battery heat exchange loop 30; that is, the seventh valve port and the eighth valve port on the first control valve 60 can be connected to the battery heat exchange loop 30, so that the high-pressure heat exchange loop 20 and other valve ports of the first control valve 60 can be connected through the seventh valve port and the eighth valve port, thereby realizing the connection between the battery heat exchange loop 30 and other loops. Among them, the seventh valve port is Figure 2-Figure 16 The "G" in the figure indicates that the eighth valve port is Figure 2-Figure 16 The "H" in the

[0058] The first control valve 60 includes: a ninth valve port and a tenth valve port, and the ninth valve port and the tenth valve port are respectively connected to the two valve ports of the second control valve 50. That is to say, the ninth valve port and the tenth valve port on the first control valve 60 can be connected to the two valve ports of the second control valve 50, so that the passenger compartment circuit 10 can be connected to the other valve ports of the first control valve 60 through the ninth valve port and the tenth valve port, thereby realizing the connection between the passenger compartment circuit 10 and other circuits. Among them, the ninth valve port is Figure 2-Figure 16 The "I" in the figure indicates that the tenth valve port is Figure 2-Figure 16 The "J" in the

[0059] Reference Figure 2-Figure 16 As shown, the second control valve 50 includes: an eleventh valve port and a twelfth valve port, the eleventh valve port and the twelfth valve port are respectively connected to the ninth valve port and the tenth valve port, and the second control valve 50 includes: a thirteenth valve port and a fourteenth valve port, the thirteenth valve port and the fourteenth valve port are respectively connected to the two ends of the passenger compartment circuit 10.

[0060] Among them, any two valve ports among the eleventh valve port, the twelfth valve port, the thirteenth valve port and the fourteenth valve port are connected to each other. In this way, the passenger compartment circuit 10 can be disconnected from or connected to the first control valve 60.

[0061] Among them, the eleventh valve port is Figure 2-Figure 16 The "3" in the figure indicates that the twelfth valve port is Figure 2-Figure 16 The "4" in the figure indicates that the thirteenth valve port is Figure 2-Figure 16 The "1" in the figure, the fourteenth valve port is Figure 2-Figure 16 The “2” in the figure.

[0062] Reference Figure 2-Figure 16As shown, the passenger compartment circuit 10 includes: a first water pump 11, a condenser 12, a heater core 13 and a first temperature sensor 14. The first water pump 11, the condenser 12, the heater core 13 and the first temperature sensor 14 are connected in series with each other, and the other two valve ports of the second control valve 50 are connected in series with the heater core 13, and the refrigerant of the air conditioning system flows through the condenser 12. In other words, the condenser 12 is not only a part of the air conditioning system, but also a part of the passenger compartment circuit 10. In this way, when the air conditioning system is running, the condenser 12 generates heat, and the heat can be transferred to the battery heat exchange circuit 30 or the heater core 13 through the first control valve 60 and the second control valve 50, so that the heat generated by the condenser 12 can be reasonably used.

[0063] The first water pump 11 can realize the circulation of the coolant.

[0064] In addition, the first temperature sensor 14 can monitor the temperature of the coolant, thereby controlling the opening of the first water pump 11 according to the temperature of the coolant, and then controlling the flow rate of the coolant. For example, when the temperature of the coolant is high, the opening of the first water pump 11 can be increased.

[0065] Reference Fig.17 As shown, the passenger compartment circuit 10 further includes: a first electric heater 15, which is disposed between the heater core 13 and the condenser 12. That is, the first electric heater 15 is disposed between the heater core 13 and the condenser 12, and the coolant in the passenger compartment circuit 10 can be heated by the first electric heater 15, so that when the air conditioning system is not running, the first electric heater 15 can play a role in heating.

[0066] Reference Figure 2-Figure 16 As shown, the high-pressure heat exchange circuit 20 includes: a second water pump 21, a high-pressure device 22, and a second temperature sensor 23. The second water pump 21, the high-pressure device 22, and the second temperature sensor 23 are arranged in series with each other, and two ports of the first control valve 60 are connected in series with the high-pressure device 22. By connecting the high-pressure device 22 and the second water pump 21 in series, the coolant is driven to circulate in the high-pressure device 22 by the second water pump 21, so that the high-pressure device 22 can absorb or dissipate heat conveniently.

[0067] The second water pump 21 can realize the circulation of the coolant.

[0068] In addition, the second temperature sensor 23 can monitor the temperature of the coolant, thereby controlling the opening of the second water pump 21 according to the temperature of the coolant, and then controlling the flow rate of the coolant. For example, when the temperature of the coolant is high, the opening of the second water pump 21 can be increased.

[0069] The high-voltage device 22 is not limited to one or more of a drive motor, an on-board charger, a power distribution unit and a DC-DC converter.

[0070] Reference Fig.17 As shown, the high-pressure heat exchange circuit 20 further includes: a second electric heater 24, which is arranged between the second temperature sensor 23 and the first control valve 60. That is, the second electric heater 24 is arranged between the second temperature sensor 23 and the second water pump 21, and the coolant in the passenger compartment circuit 10 can be heated by the second electric heater 24, so that when the vehicle is just running, the second electric heater 24 can heat the high-pressure device 22, so that the high-pressure device 22 can quickly reach the optimal working temperature.

[0071] Reference Figure 2-Figure 16 As shown, the battery heat exchange circuit 30 includes: a third water pump 31, a battery pack 32 and a third temperature sensor 33. The third water pump 31, the battery pack 32 and the third temperature sensor 33 are connected in series, and the other two ports of the first control valve 60 are connected in series with the battery pack 32. By connecting the battery pack 32 and the third water pump 31 in series, the coolant is driven to circulate in the battery pack 32 by the third water pump 31, so that the battery pack 32 can absorb or dissipate heat conveniently.

[0072] The third water pump 31 can realize the circulation of the coolant.

[0073] In addition, the third temperature sensor 33 can monitor the temperature of the coolant, thereby controlling the opening of the third water pump 31 according to the temperature of the coolant, and then controlling the flow rate of the coolant. For example, when the temperature of the coolant is high, the opening of the third water pump 31 can be increased.

[0074] Reference Fig.17 As shown, the thermal management system 100 further includes: an overflow tank 43, a first one-way valve and a second one-way valve.

[0075] A first overflow branch is provided between the overflow tank 43 and the low-temperature radiator 42 , and a first one-way valve is provided on the first overflow branch.

[0076] A second overflow branch is provided between the overflow tank 43 and the passenger compartment circuit 10 , and a second one-way valve is provided on the second overflow branch.

[0077] A third overflow branch is provided between the overflow tank 43 and the heat exchanger 41 circuit of the battery pack 32 .

[0078] Refer to the following Figure 2-Figure 16 The working mode of the thermal management system 100 according to the embodiment of the present invention is described.

[0079] Reference Figure 2As shown, the working mode 1 of the thermal management system 100 is: battery pack 32 temperature equalization + passenger compartment heating.

[0080] Branch 1: the third water pump 31 → the third temperature sensor 33 → the battery pack 32 → the first control valve 60 → the third water pump 31, wherein the seventh valve port is connected to the eighth valve port. That is, the battery pack 32 and the third water pump 31 are connected in series, so that the coolant circulates in the battery pack 32, thereby achieving a uniform temperature of the battery pack 32.

[0081] Branch 2: first water pump 11→condenser 12→first temperature sensor 14→heating core 13→second control valve 50→first water pump 11, wherein the thirteenth valve port and the fourteenth valve port are connected. In other words, the condenser 12, the first water pump 11 and the heating core 13 form a circulating loop, and the condenser 12 generates heat when the refrigerant passes through, so that the heat can be transferred to the heating core 13, and finally the passenger compartment is heated.

[0082] Reference Figure 3 As shown, the second working mode of the thermal management system 100 is: heat dissipation of the high-voltage device 22 + temperature equalization of the battery pack 32 + heating of the passenger compartment.

[0083] Branch 1: the third water pump 31 → the third temperature sensor 33 → the battery pack 32 → the first control valve 60 → the third water pump 31, wherein the seventh valve port is connected to the eighth valve port. That is, the battery pack 32 and the third water pump 31 are connected in series, so that the coolant circulates in the battery pack 32, thereby achieving a uniform temperature of the battery pack 32.

[0084] Branch 2: second water pump 21 → high-pressure device 22 → second temperature sensor 23 → first control valve 60 → low-temperature radiator 42 → second water pump 21, wherein the first valve port is connected to the fourth valve port, and the second valve port is connected to the third valve port. In other words, the low-temperature radiator 42 and the high-pressure heat exchange circuit 20 are interconnected through the first control valve 60, so that the heat generated by the high-pressure device 22 is brought to the low-temperature radiator 42 through the coolant, thereby realizing the heat dissipation of the high-pressure device 22.

[0085] The high-voltage device 22 may be a drive motor.

[0086] Branch 3: first water pump 11→condenser 12→first temperature sensor 14→heating core 13→second control valve 50→first water pump 11, wherein the thirteenth valve port and the fourteenth valve port are connected. In other words, the condenser 12, the first water pump 11 and the heating core 13 form a circulating loop, and the condenser 12 generates heat when the refrigerant passes through, so that the heat can be transferred to the heating core 13, and finally the passenger compartment is heated.

[0087] Reference Figure 4 As shown, the third working mode of the thermal management system 100 is: heat dissipation of the high-voltage device 22 + heat dissipation of the battery pack 32 + heating of the passenger compartment.

[0088] Branch one: the third water pump 31 → the third temperature sensor 33 → the battery pack 32 → the first control valve 60 → the second water pump 21 → the high-voltage device 22 → the second temperature sensor 23 → the first control valve 60 → the low-temperature radiator 42 → the first control valve 60 → the third water pump 31, wherein the first valve port is connected to the eighth valve port, the second valve port is connected to the third valve port, and the fourth valve port is connected to the seventh valve port.

[0089] That is to say, the low-temperature radiator 42, the high-pressure heat exchange circuit 20 and the battery heat exchange circuit 30 are connected in series through the first control valve 60. Driven by the second water pump 21 and the third water pump 31, the coolant circulates among the low-temperature radiator 42, the high-pressure heat exchange circuit 20 and the battery heat exchange circuit 30, so that the heat generated by the battery pack 32 and the high-voltage device 22 can be transported to the low-temperature radiator 42 and dissipated to the outside, thereby realizing the heat dissipation of the battery pack 32 and the high-voltage device 22.

[0090] The high-voltage device 22 may be a drive motor.

[0091] Branch 2: first water pump 11→condenser 12→first temperature sensor 14→heating core 13→second control valve 50→first water pump 11, wherein the thirteenth valve port and the fourteenth valve port are connected. In other words, the condenser 12, the first water pump 11 and the heating core 13 form a circulating loop, and the condenser 12 generates heat when the refrigerant passes through, so that the heat can be transferred to the heating core 13, and finally the passenger compartment is heated.

[0092] Reference Figure 5 As shown, the fourth working mode of the thermal management system 100 is: heat dissipation of the high-voltage device 22 + heat dissipation of the battery pack 32 + heating of the passenger compartment.

[0093] Branch 1: the third water pump 31 → the third temperature sensor 33 → the battery pack 32 → the first control valve 60 → the heat exchanger 41 → the first control valve 60 → the third water pump 31, wherein the fifth valve port is connected to the eighth valve port, and the sixth valve port is connected to the seventh valve port. In other words, the battery heat exchange circuit 30 and the heat exchanger 41 are connected in series through the first control valve 60, that is, the heat exchanger 41, the battery pack 32 and the third water pump 31 are connected in series, so that the coolant circulates between the heat exchanger 41 and the battery pack 32, thereby achieving heat dissipation of the battery pack 32.

[0094] Branch 2: second water pump 21→high-pressure device 22→second temperature sensor 23→first control valve 60→low-temperature radiator 42→first control valve 60→second water pump 21, wherein the first valve port is connected to the fourth valve port, and the second valve port is connected to the third valve port. In other words, the low-temperature radiator 42 and the high-pressure heat exchange circuit 20 are interconnected through the first control valve 60, so that the heat generated by the high-pressure device 22 is brought to the low-temperature radiator 42 through the coolant, thereby realizing the heat dissipation of the high-pressure device 22.

[0095] The high-voltage device 22 may be a drive motor.

[0096] Branch 3: first water pump 11→condenser 12→first temperature sensor 14→heating core 13→second control valve 50→first water pump 11, wherein the thirteenth valve port and the fourteenth valve port are connected. In other words, the condenser 12, the first water pump 11 and the heating core 13 form a circulating loop, and the condenser 12 generates heat when the refrigerant passes through, so that the heat can be transferred to the heating core 13, and finally the passenger compartment is heated.

[0097] Reference Figure 6 As shown, the fifth working mode of the thermal management system 100 is: heat dissipation of the high-voltage device 22 + temperature equalization of the battery pack 32 + heat dissipation of the condenser 12 .

[0098] Branch 1: the third water pump 31 → the third temperature sensor 33 → the battery pack 32 → the first control valve 60 → the third water pump 31, wherein the seventh valve port is connected to the eighth valve port. That is, the battery pack 32 and the third water pump 31 are connected in series, so that the coolant circulates in the battery pack 32, thereby achieving a uniform temperature of the battery pack 32.

[0099] Branch two: first water pump 11→condenser 12→first temperature sensor 14→heat core 13→second control valve 50→first control valve 60→second water pump 21→high-pressure device 22→second temperature sensor 23→first control valve 60→low-temperature radiator 42→first control valve 60→first water pump 11, wherein the first valve port is connected to the tenth valve port, the second valve port is connected to the third valve port, the fourth valve port is connected to the ninth valve port, the eleventh valve port is connected to the fourteenth valve port, and the twelfth valve port is connected to the thirteenth valve port.

[0100] That is to say, the passenger compartment circuit 10, the high-pressure heat exchange circuit 20 and the low-temperature radiator 42 are connected in series with each other through the first control valve 60 and the second control valve 50, that is, the condenser 12, the high-pressure device 22 and the low-temperature radiator 42 are connected in series with each other, so that the heat generated by the condenser 12 and the high-pressure device 22 can be transported to the low-temperature radiator 42 and dissipated to the outside, thereby realizing the heat dissipation of the condenser 12 and the high-pressure device 22.

[0101] Reference Figure 7 As shown, the sixth working mode of the thermal management system 100 is: heat dissipation of the high-voltage device 22 + heat dissipation of the battery pack 32 + heat dissipation of the condenser 12 .

[0102] Branch 1: the third water pump 31 → the third temperature sensor 33 → the battery pack 32 → the first control valve 60 → the heat exchanger 41 → the first control valve 60 → the third water pump 31, wherein the fifth valve port is connected to the eighth valve port, and the sixth valve port is connected to the seventh valve port. In other words, the battery heat exchange circuit 30 and the heat exchanger 41 are connected in series through the first control valve 60, that is, the heat exchanger 41, the battery pack 32 and the third water pump 31 are connected in series, so that the coolant circulates between the heat exchanger 41 and the battery pack 32, thereby achieving heat dissipation of the battery pack 32.

[0103] Branch two: first water pump 11→condenser 12→first temperature sensor 14→heat core 13→second control valve 50→first control valve 60→second water pump 21→high-pressure device 22→second temperature sensor 23→first control valve 60→low-temperature radiator 42→first control valve 60→first water pump 11, wherein the first valve port is connected to the tenth valve port, the second valve port is connected to the third valve port, the fourth valve port is connected to the ninth valve port, the eleventh valve port is connected to the fourteenth valve port, and the twelfth valve port is connected to the thirteenth valve port.

[0104] That is to say, the passenger compartment circuit 10, the high-pressure heat exchange circuit 20 and the low-temperature radiator 42 are connected in series with each other through the first control valve 60 and the second control valve 50, that is, the condenser 12, the high-pressure device 22 and the low-temperature radiator 42 are connected in series with each other, so that the heat generated by the condenser 12 and the high-pressure device 22 can be transported to the low-temperature radiator 42 and dissipated to the outside, thereby realizing the heat dissipation of the condenser 12 and the high-pressure device 22.

[0105] Reference Figure 8 As shown, the seventh working mode of the thermal management system 100 is: heat dissipation of the high-voltage device 22 + heating of the battery pack 32 + heating of the passenger compartment.

[0106] Branch 1: second water pump 21→high-pressure device 22→second temperature sensor 23→first control valve 60→low-temperature radiator 42→second water pump 21, wherein the first valve port is connected to the fourth valve port, and the second valve port is connected to the third valve port. In other words, the low-temperature radiator 42 and the high-pressure heat exchange circuit 20 are interconnected through the first control valve 60, so that the heat generated by the high-pressure device 22 is brought to the low-temperature radiator 42 through the coolant, thereby realizing the heat dissipation of the high-pressure device 22.

[0107] The high-voltage device 22 may be a drive motor.

[0108] Branch two: the third water pump 31 → the third temperature sensor 33 → the battery pack 32 → the first control valve 60 → the second control valve 50 → the first water pump 11 → the condenser 12 → the first temperature sensor 14 → the heater core 13 → the second control valve 50 → the first control valve 60 → the second water pump 21, wherein the seventh valve port is connected to the tenth valve port, the eighth valve port is connected to the ninth valve port, the eleventh valve port is connected to the fourteenth valve port, and the twelfth valve port is connected to the thirteenth valve port.

[0109] That is to say, the battery heat exchange circuit 30 and the passenger compartment circuit 10 are connected in series through the first control valve 60 and the second control valve 50, that is, the battery pack 32, the condenser 12 and the heater core 13 are connected in series, and the condenser 12 generates heat when the refrigerant passes through it, so that the heat can be transferred to the heater core 13 and the battery pack 32, finally realizing the heating of the passenger compartment and the heating of the battery pack 32.

[0110] Reference Fig. 9 As shown, the eighth working mode of the thermal management system 100 is: heat storage of the high-voltage device 22 + temperature equalization of the battery pack 32 + heating of the passenger compartment.

[0111] Branch 1: the third water pump 31 → the third temperature sensor 33 → the battery pack 32 → the first control valve 60 → the third water pump 31, wherein the seventh valve port is connected to the eighth valve port. That is, the battery pack 32 and the third water pump 31 are connected in series, so that the coolant circulates in the battery pack 32, thereby achieving a uniform temperature of the battery pack 32.

[0112] Branch 2: second water pump 21 → high-pressure device 22 → second temperature sensor 23 → first control valve 60 → second water pump 21, wherein the first valve port is connected to the second valve port. In other words, the high-pressure device 22 and the second water pump 21 are connected in series, so that the coolant circulates in the high-pressure device 22, thereby realizing heat storage of the high-pressure device 22.

[0113] The high-voltage device 22 may be a drive motor.

[0114] Branch 3: first water pump 11→condenser 12→first temperature sensor 14→heating core 13→second control valve 50→first water pump 11, wherein the thirteenth valve port and the fourteenth valve port are connected. In other words, the condenser 12, the first water pump 11 and the heating core 13 form a circulating loop, and the condenser 12 generates heat when the refrigerant passes through, so that the heat can be transferred to the heating core 13, and finally the passenger compartment is heated.

[0115] Reference Fig.10 As shown, the ninth working mode of the thermal management system 100 is: waste heat recovery + battery pack 32 temperature equalization + passenger compartment heating.

[0116] Branch 1: the third water pump 31 → the third temperature sensor 33 → the battery pack 32 → the first control valve 60 → the third water pump 31, wherein the seventh valve port is connected to the eighth valve port. That is, the battery pack 32 and the third water pump 31 are connected in series, so that the coolant circulates in the battery pack 32, thereby achieving a uniform temperature of the battery pack 32.

[0117] Branch 2: second water pump 21 → high-pressure device 22 → second temperature sensor 23 → first control valve 60 → heat exchanger 41 → second water pump 21, wherein the first valve port is connected to the sixth valve port, and the second valve port is connected to the fifth valve port. In other words, the heat exchanger 41 and the high-pressure heat exchange circuit 20 are interconnected through the first control valve 60, so that the heat generated by the high-pressure device 22 is brought to the heat exchanger 41 through the coolant, thereby realizing the heat dissipation of the high-pressure device 22; and because the heat exchanger 41 is connected to the air-conditioning system, the heat at the heat exchanger 41 can be transferred to the condenser 12 through the refrigerant, thereby realizing the heating of the passenger compartment. That is, under this branch, the waste heat recovery of the high-pressure device 22 can be realized.

[0118] The high-voltage device 22 may be a drive motor.

[0119] Branch 3: first water pump 11→condenser 12→first temperature sensor 14→heating core 13→second control valve 50→first water pump 11, wherein the thirteenth valve port and the fourteenth valve port are connected. In other words, the condenser 12, the first water pump 11 and the heating core 13 form a circulating loop, and the condenser 12 generates heat when the refrigerant passes through, so that the heat can be transferred to the heating core 13, and finally the passenger compartment is heated.

[0120] Reference Fig.11 As shown, the working mode ten of the thermal management system 100 is: waste heat recovery + battery pack 32 heating + passenger compartment heating.

[0121] Branch 1: second water pump 21 → high-pressure device 22 → second temperature sensor 23 → first control valve 60 → heat exchanger 41 → second water pump 21, wherein the first valve port is connected to the fourth valve port, and the second valve port is connected to the third valve port. In other words, the heat exchanger 41 and the high-pressure heat exchange circuit 20 are interconnected through the first control valve 60, so that the heat generated by the high-pressure device 22 is brought to the heat exchanger 41 through the coolant, thereby realizing the heat dissipation of the high-pressure device 22; and because the heat exchanger 41 is connected to the air-conditioning system, the heat at the heat exchanger 41 can be transferred to the condenser 12 through the refrigerant, thereby realizing the heating of the passenger compartment. That is, under this branch, the waste heat recovery of the high-pressure device 22 can be realized.

[0122] The high-voltage device 22 may be a drive motor.

[0123] Branch two: the third water pump 31 → the third temperature sensor 33 → the battery pack 32 → the first control valve 60 → the second control valve 50 → the first water pump 11 → the condenser 12 → the first temperature sensor 14 → the heater core 13 → the second control valve 50 → the first control valve 60 → the second water pump 21, wherein the seventh valve port is connected to the tenth valve port, the eighth valve port is connected to the ninth valve port, the eleventh valve port is connected to the fourteenth valve port, and the twelfth valve port is connected to the thirteenth valve port.

[0124] That is to say, the battery heat exchange circuit 30 and the passenger compartment circuit 10 are connected in series through the first control valve 60 and the second control valve 50, that is, the battery pack 32, the condenser 12 and the heater core 13 are connected in series, and the condenser 12 generates heat when the refrigerant passes through it, so that the heat can be transferred to the heater core 13 and the battery pack 32, finally realizing the heating of the passenger compartment and the heating of the battery pack 32.

[0125] Reference Fig.12 As shown, the working mode eleven of the thermal management system 100 is: battery pack 32 waste heat heating + passenger compartment heating.

[0126] Branch one: the third water pump 31 → the third temperature sensor 33 → the battery pack 32 → the first control valve 60 → the second water pump 21 → the high-voltage device 22 → the second temperature sensor 23 → the first control valve 60 → the third water pump 31, wherein the first valve port is connected to the eighth valve port, and the second valve port is connected to the seventh valve port.

[0127] That is to say, the high-pressure heat exchange circuit 20 and the battery heat exchange circuit 30 are connected in series through the first control valve 60. Driven by the second water pump 21 and the third water pump 31, the coolant circulates between the high-pressure heat exchange circuit 20 and the battery heat exchange circuit 30, so that the heat generated by the high-pressure device 22 can be transported to the battery pack 32, thereby heating the battery pack 32. In this way, in this mode, the heating heat of the battery pack 32 comes from the high-pressure device 22.

[0128] The high-voltage device 22 may be a drive motor.

[0129] Branch 2: first water pump 11→condenser 12→first temperature sensor 14→heating core 13→second control valve 50→first water pump 11, wherein the thirteenth valve port and the fourteenth valve port are connected. In other words, the condenser 12, the first water pump 11 and the heating core 13 form a circulating loop, and the condenser 12 generates heat when the refrigerant passes through, so that the heat can be transferred to the heating core 13, and finally the passenger compartment is heated.

[0130] Reference Fig.13 As shown, the working mode 12 of the thermal management system 100 is: waste heat heating of the battery pack 32 + creative heat heating of the battery pack 32 .

[0131] Branch two: first water pump 11→condenser 12→first temperature sensor 14→heat core 13→second control valve 50→first control valve 60→third water pump 31→battery pack 32→third temperature sensor 33→first control valve 60→second water pump 21→high-voltage device 22→second temperature sensor 23→first control valve 60→first water pump 11, wherein the first valve port is connected to the eighth valve port, the second valve port is connected to the ninth valve port, the seventh valve port is connected to the tenth valve port, the eleventh valve port is connected to the fourteenth valve port, and the twelfth valve port is connected to the thirteenth valve port.

[0132] That is to say, the passenger compartment circuit 10, the high-pressure heat exchange circuit 20 and the battery heat exchange circuit 30 are connected in series via the first control valve 60 and the second control valve 50, that is, the heater core 13, the high-pressure device 22 and the battery pack 32 are connected in series, so that the heat generated by the battery pack 32 and the high-pressure device 22 can be transported to the heater core 13, thereby achieving heating of the passenger compartment.

[0133] Reference Fig.14 As shown, the working mode thirteen of the thermal management system 100: low-temperature radiator 42 and motor waste heat recovery + passenger compartment heating + battery pack 32 temperature equalization.

[0134] Branch 1: the third water pump 31 → the third temperature sensor 33 → the battery pack 32 → the first control valve 60 → the third water pump 31, wherein the seventh valve port is connected to the eighth valve port. That is, the battery pack 32 and the third water pump 31 are connected in series, so that the coolant circulates in the battery pack 32, thereby achieving a uniform temperature of the battery pack 32.

[0135] Branch 2: second water pump 21→high-pressure device 22→second temperature sensor 23→first control valve 60→heat exchanger 41→first control valve 60→low-temperature radiator 42→second water pump 21, wherein the first valve port is connected to the fourth valve port, the second valve port is connected to the fifth valve port, and the third valve port is connected to the sixth valve port.

[0136] That is, the low-temperature radiator 42, the heat exchanger 41 and the high-pressure heat exchange circuit 20 are interconnected through the first control valve 60, so that the heat generated by the high-pressure device 22 and the heat absorbed by the low-temperature radiator 42 from the outside are brought to the heat exchanger 41 through the coolant, and because the heat exchanger 41 is connected to the air-conditioning system, the heat at the heat exchanger 41 can be transferred to the condenser 12 through the refrigerant, thereby achieving heating of the passenger compartment. That is, under this branch, the heat for heating the passenger compartment can come from the high-pressure device 22 and the outside.

[0137] The high-voltage device 22 may be a drive motor.

[0138] Branch 3: first water pump 11→condenser 12→first temperature sensor 14→heating core 13→second control valve 50→first water pump 11, wherein the thirteenth valve port and the fourteenth valve port are connected. In other words, the condenser 12, the first water pump 11 and the heating core 13 form a circulating loop, and the condenser 12 generates heat when the refrigerant passes through, so that the heat can be transferred to the heating core 13, and finally the passenger compartment is heated.

[0139] Reference Fig.15 As shown, the working mode fourteen of the thermal management system 100 is: low-temperature radiator 42 and motor waste heat recovery + passenger compartment heating + battery pack 32 heating.

[0140] Branch one: second water pump 21→high-pressure device 22→second temperature sensor 23→first control valve 60→heat exchanger 41→first control valve 60→low-temperature radiator 42→second water pump 21, wherein the first valve port is connected to the fourth valve port, the second valve port is connected to the fifth valve port, and the third valve port is connected to the sixth valve port.

[0141] That is, the low-temperature radiator 42, the heat exchanger 41 and the high-pressure heat exchange circuit 20 are interconnected through the first control valve 60, so that the heat generated by the high-pressure device 22 and the heat absorbed by the low-temperature radiator 42 from the outside are brought to the heat exchanger 41 through the coolant, and because the heat exchanger 41 is connected to the air-conditioning system, the heat at the heat exchanger 41 can be transferred to the condenser 12 through the refrigerant, thereby achieving heating of the passenger compartment. That is, under this branch, the heat for heating the passenger compartment can come from the high-pressure device 22 and the outside.

[0142] The high-voltage device 22 may be a drive motor.

[0143] Branch two: the third water pump 31→the third temperature sensor 33→the battery pack 32→the first control valve 60→the second control valve 50→the first water pump 11→the condenser 12→the first temperature sensor 14→the heater core 13→the second control valve 50→the first control valve 60→the third water pump 31, wherein the seventh valve port is connected to the tenth valve port, the eighth valve port is connected to the ninth valve port, the eleventh valve port is connected to the fourteenth valve port, and the twelfth valve port is connected to the thirteenth valve port.

[0144] That is to say, the battery heat exchange circuit 30 and the passenger compartment circuit 10 are connected in series through the first control valve 60 and the second control valve 50, that is, the battery pack 32, the condenser 12 and the heater core 13 are connected in series, and the condenser 12 generates heat when the refrigerant passes through it, so that the heat can be transferred to the heater core 13 and the battery pack 32, finally realizing the heating of the passenger compartment and the heating of the battery pack 32.

[0145] Reference Fig.16As shown, the fifteenth working mode of the thermal management system 100 is: waste heat recovery of the battery pack 32 + heating of the passenger compartment + heat storage of the motor.

[0146] Branch 1: the third water pump 31 → the third temperature sensor 33 → the battery pack 32 → the first control valve 60 → the heat exchanger 41 → the first control valve 60 → the third water pump 31, wherein the fifth valve port is connected to the eighth valve port, and the sixth valve port is connected to the seventh valve port. In other words, the heat exchanger 41 and the battery heat exchange circuit 30 are interconnected through the first control valve 60, so that the heat generated by the battery pack 32 is brought to the heat exchanger 41 through the coolant, thereby realizing the heat dissipation of the battery pack 32; and because the heat exchanger 41 is connected to the air conditioning system, the heat at the heat exchanger 41 can be transferred to the condenser 12 through the refrigerant, thereby realizing the heating of the passenger compartment. That is, under this branch, the waste heat recovery of the battery pack 32 can be realized.

[0147] Branch 2: second water pump 21 → high-pressure device 22 → second temperature sensor 23 → first control valve 60 → second water pump 21, wherein the first valve port is connected to the second valve port. In other words, the high-pressure device 22 and the second water pump 21 are connected in series, so that the coolant circulates in the high-pressure device 22, thereby realizing heat storage of the high-pressure device 22.

[0148] The high-voltage device 22 may be a drive motor.

[0149] Branch 3: first water pump 11→condenser 12→first temperature sensor 14→heating core 13→second control valve 50→first water pump 11, wherein the thirteenth valve port and the fourteenth valve port are connected. In other words, the condenser 12, the first water pump 11 and the heating core 13 form a circulating loop, and the condenser 12 generates heat when the refrigerant passes through, so that the heat can be transferred to the heating core 13, and finally the passenger compartment is heated.

[0150] A vehicle according to an embodiment of the second aspect of the utility model includes a thermal management system 100 .

[0151] In the description of the present invention, it should be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inside", "outside", "clockwise", "counterclockwise", "axial", "radial", "circumferential" and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the accompanying drawings, and are only for the convenience of describing the present invention and simplifying the description, and do not indicate or imply that the referred device or element must have a specific orientation, be constructed and operated in a specific orientation, and therefore should not be understood as a limitation on the present invention.

[0152] In the description of this specification, the description with reference to the terms "one embodiment", "some embodiments", "illustrative embodiments", "examples", "specific examples", or "some examples" means that the specific features, structures, materials, or characteristics described in conjunction with the embodiment or example are included in at least one embodiment or example of the utility model. In this specification, the schematic expressions of the above terms do not necessarily refer to the same embodiment or example.

[0153] Although the embodiments of the present invention have been shown and described, those skilled in the art will appreciate that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the claims and their equivalents.

Claims

1. A thermal management system, characterized in that: include: a first control valve, wherein the first control valve is connected to a low-temperature radiator, a heat exchanger, a battery heat exchange circuit and a high-pressure heat exchange circuit; a second control valve, two valve ports of the second control valve being in communication with the first control valve, and the other two valve ports of the second control valve being in communication with a passenger compartment circuit, wherein the heat exchanger and / or the passenger compartment circuit selectively exchanges heat with an air conditioning system; Wherein, the first control valve selectively connects one or more of the low-temperature radiator, the heat exchanger, the battery heat exchange circuit, the high-pressure heat exchange circuit and the passenger compartment circuit.

2. The thermal management system according to claim 1, characterized in that: The first control valve comprises: a first valve port and a second valve port, wherein the first valve port and the second valve port are respectively connected to two ends of the high-pressure heat exchange circuit; and The first control valve comprises: a third valve port and a fourth valve port, wherein the third valve port and the fourth valve port are respectively connected to two ends of the low-temperature radiator; and The first control valve comprises: a fifth valve port and a sixth valve port, wherein the fifth valve port and the sixth valve port are respectively connected to two ends of the heat exchanger; and The first control valve comprises: a seventh valve port and an eighth valve port, wherein the seventh valve port and the eighth valve port are respectively connected to two ends of the battery heat exchange circuit; and The first control valve includes a ninth valve port and a tenth valve port, and the ninth valve port and the tenth valve port are respectively connected to the two valve ports of the second control valve.

3. The thermal management system according to claim 2, characterized in that: The second control valve comprises: an eleventh valve port and a twelfth valve port, wherein the eleventh valve port and the twelfth valve port are respectively connected to the ninth valve port and the tenth valve port; and The second control valve comprises: a thirteenth valve port and a fourteenth valve port, wherein the thirteenth valve port and the fourteenth valve port are respectively connected to two ends of the passenger compartment circuit; Wherein, any two valve ports among the eleventh valve port, the twelfth valve port, the thirteenth valve port and the fourteenth valve port are connected to each other.

4. The thermal management system according to claim 1, characterized in that: The passenger compartment circuit includes: a first water pump, a condenser, a heater core and a first temperature sensor. The first water pump, the condenser, the heater core and the first temperature sensor are arranged in series with each other. The other two valve ports of the second control valve are connected in series with the heater core. The refrigerant of the air-conditioning system flows through the condenser.

5. The thermal management system according to claim 4, characterized in that: The passenger compartment circuit further includes: a first electric heater, which is arranged between the heater core and the condenser.

6. The thermal management system according to claim 1, characterized in that: The high-pressure heat exchange circuit includes: a second water pump, a high-pressure device and a second temperature sensor. The second water pump, the high-pressure device and the second temperature sensor are arranged in series with each other, and two ports of the first control valve are connected in series with the high-pressure device.

7. The thermal management system according to claim 6, characterized in that: The high-pressure heat exchange circuit further includes: a second electric heater, which is arranged between the second temperature sensor and the first control valve.

8. The thermal management system according to claim 1, characterized in that: The battery heat exchange circuit includes: a third water pump, a battery pack and a third temperature sensor. The third water pump, the battery pack and the third temperature sensor are arranged in series with each other, and the other two ports of the first control valve are connected in series with the battery pack.

9. The thermal management system according to claim 1, characterized in that: Also includes: An overflow tank, a first one-way valve and a second one-way valve; wherein, A first overflow branch is provided between the overflow tank and the low-temperature radiator, and the first one-way valve is provided in the first overflow branch; and, A second overflow branch is provided between the overflow tank and the passenger compartment circuit, and the second one-way valve is provided on the second overflow branch; and, A third overflow branch is provided between the overflow tank and the battery heat exchange circuit.

10. A vehicle, characterized in that: include: The thermal management system according to any one of claims 1 to 9.

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