Thermal management system and vehicle

Abstract

The invention relates to a heat management system and a vehicle, and the system comprises a first heat exchange subsystem which is used for carrying out heat exchange with a first space; the second heat exchange subsystem is used for exchanging heat with a second space, and the heat exchange requirements of the first space and the second space are different; the first heat exchange assembly is connected with the first heat exchange subsystem and the second heat exchange subsystem and used for achieving heat exchange between the first heat exchange subsystem and the second heat exchange subsystem. According to the technical scheme, the integration level of the thermal management system is improved.

Description

Technical Field

[0001] This application relates to the technical field of thermal management systems, and particularly to a thermal management system and a vehicle. Background Art

[0002] The current thermal management system of electric buses usually adopts a decentralized structure, where each subsystem operates independently, lacking overall coordination, resulting in high system complexity and low energy efficiency. Specifically, the above structure generally has poor integration, and there is a lack of collaborative work between various parts of the thermal management system, and it is unable to make full use of the heat resources in various parts of the electric bus to improve the overall energy efficiency. This limitation seriously affects the performance optimization of the system and also restricts the further improvement of electric buses in terms of energy utilization and environmental protection. Summary of the Invention

[0003] An embodiment of this application provides a thermal management system and a vehicle, which improves the integration of the thermal management system to at least partially solve the above technical problems.

[0004] To achieve the above object, according to the first aspect of this application, a thermal management system is provided, including: a first heat exchange subsystem for performing heat exchange with a first space; a second heat exchange subsystem for performing heat exchange with a second space, where the heat exchange requirements of the first space and the second space are different; a first heat exchange component connected to the first heat exchange subsystem and the second heat exchange subsystem for realizing heat exchange between the first heat exchange subsystem and the second heat exchange subsystem.

[0005] Optionally, the first heat exchange subsystem includes a second heat exchange component and a first circuit, and the second heat exchange component is located on the first circuit.

[0006] Optionally, the second heat exchange subsystem is connected in parallel to the first circuit through the first heat exchange component.

[0007] Optionally, the first heat exchange subsystem further includes a second circuit, and the second heat exchange component is located on the second circuit.

[0008] Optionally, the first heat exchange subsystem further includes a multi-way valve for connecting different circuits.

[0009] Optionally, the first heat exchange subsystem includes a compressor, and the compressor is located on the first circuit.

[0010] Optionally, the first heat exchange subsystem includes a fourth heat exchange component, and the fourth heat exchange component is located on the first circuit and performs heat exchange with the first space.

[0011] Optionally, a first control member is further arranged on the first circuit, and the first control member is located on the connecting pipeline between the first heat exchange component and the fourth heat exchange component.

[0012] Optionally, the battery refrigeration circuit and the first circuit exchange heat through a second heat exchange component.

[0013] Optionally, the second heat exchange subsystem includes a refrigeration water tank, a first water pump and a battery pack, and the refrigeration water tank, the first water pump, the battery pack and the second heat exchange assembly together form a battery refrigeration circuit.

[0014] Optionally, the second heat exchange subsystem further includes a fifth control component, which is provided on the connecting pipeline between the battery pack and the second heat exchange component, and the multi-way valve is used to communicate with the connecting port of the second heat exchange component.

[0015] Optionally, a heater is further provided between the fifth control component and the battery pack, and one end of the fifth control component can be connected to the battery pack. The fifth control component, the heater and the battery pack together form a battery heating circuit.

[0016] Optionally, the third refrigeration circuit can exchange heat with the first circuit through a second heat exchange component.

[0017] Optionally, the second heat exchange subsystem further includes a water-cooled core, and the refrigeration water tank, the first water pump, the second heat exchange assembly, and the water-cooled core together form a third refrigeration circuit, and the water-cooled core performs heat exchange with the second space.

[0018] Optionally, the first circuit is arranged with a seventh control component, and the seventh control component is located on the connecting pipeline between the second heat exchange component and the second heat exchange component.

[0019] Optionally, the thermal management system is further provided with a heating element, which can be used to heat the air in the area where the heating element is located.

[0020] Optionally, a third heat exchange subsystem is further included, the third heat exchange subsystem includes a third heat exchange component, and the third heat exchange subsystem is connected in parallel to the second circuit through the third heat exchange component.

[0021] Optionally, the third heat exchange subsystem includes a waste heat tank and a third water pump. The waste heat tank can be connected to the third heat exchange component and the third water pump respectively, and the electronic control can be connected to the third heat exchange component respectively. The waste heat tank, the third water pump and the third heat exchange component together form a first waste heat circuit.

[0022] Optionally, the third heat exchange subsystem further includes a waste heat recovery pipeline, which can recover waste heat from one or more of the chassis components, electric drive, and electronic control.

[0023] Optionally, both ends of the first heat exchange component can be respectively communicated with one end of the fourth heat exchange component and the third heat exchange component. The other end of the fourth heat exchange component is communicated with the third valve port of the multi-way valve. The input end of the compressor can be communicated with the second valve port of the multi-way valve. The input end of the compressor can be communicated with the fourth valve port of the multi-way valve. The third heat exchange component can be communicated with the first valve port of the multi-way valve. The first heat exchange component, the multi-way valve, the compressor, the fourth heat exchange component and the third heat exchange component together form a first heating circuit.

[0024] Optionally, the chassis assembly, the waste heat water tank, the third water pump, the electronic control, and the electric drive together form a third waste heat circuit, and the third waste heat circuit dissipates heat through the first heat exchange component.

[0025] According to the second aspect of the present application, there is also provided a vehicle including the above-mentioned thermal management system.

[0026] In the thermal management system of the embodiment of the present application, it includes: a first heat exchange subsystem for performing heat exchange with a first space; a second heat exchange subsystem for performing heat exchange with a second space, and the heat exchange requirements of the first space and the second space are different; a first heat exchange component connected to the first heat exchange subsystem and the second heat exchange subsystem for realizing heat exchange between the first heat exchange subsystem and the second heat exchange subsystem. Through the above technical solution, the first heat exchange subsystem and the second heat exchange subsystem perform heat exchange through the first heat exchange component, so that the heat exchange requirements between the first space and the second space can be realized. At the same time, the first heat exchange subsystem, the second heat exchange subsystem and the first heat exchange component are integrated, which not only reduces the production cost of the equipment, but also significantly reduces the energy consumption of the system.

[0027] Other features and advantages of the present application will be described in detail in the subsequent specific implementation section. BRIEF DESCRIPTION OF THE DRAWINGS

[0028] In order to more clearly illustrate the technical solutions in the embodiments of the present application, the drawings required for the description of the embodiments will be briefly introduced below. Obviously, the drawings in the following description are only some embodiments of the present application, and those skilled in the art can obtain other drawings based on these drawings without creative efforts.

[0029] In order to more completely understand the present application and its beneficial effects, the following description will be made in conjunction with the drawings, in which the same reference numerals represent the same parts in the following description.

[0030] Figure 1 is the overall schematic diagram of the thermal management system provided in the exemplary embodiment of the present disclosure;

[0031] Figure 2It is the overall schematic diagram of the thermal management system in the passenger area for refrigeration provided in the exemplary embodiments of the present disclosure;

[0032] Figure 3 It is the overall schematic diagram of the thermal management system in the battery cooling provided in the exemplary embodiments of the present disclosure;

[0033] Figure 4 It is the overall schematic diagram of the thermal management system in the battery heating provided in the exemplary embodiments of the present disclosure;

[0034] Figure 5 It is the overall schematic diagram of the thermal management system in the driver's area for refrigeration provided in the exemplary embodiments of the present disclosure;

[0035] Figure 6 It is the overall schematic diagram of the thermal management system in the waste heat recovery provided in the exemplary embodiments of the present disclosure;

[0036] Figure 7 It is the overall schematic diagram of the thermal management system in the waste heat management provided in the exemplary embodiments of the present disclosure.

[0037] Description of reference numerals:

[0038] 1. Thermal management system; 20. Second heat exchange component; 11. Third heat exchange component; 10. First heat exchange component; 30. Multi-way valve; 40. Compressor; 50. Fourth heat exchange component; a. First valve port; b. Second valve port; c. Third valve port; d. Fourth valve port; 71. First control member; 72. Seventh control member; 81. Second control member; 82. Eighth control member; 83. Ninth control member; 90. Third control member; 100. Fourth control member; 110. Pressure sensor; 120. Refrigeration water tank; 130. First water pump; 140. Battery pack; 150. Fifth control member; 160. Battery water tank; 70. Second water pump; 180. Heater; 190. Temperature sensor; 200. Sixth control member; 210. Water-cooled core; 220. Heating element; 230. Waste heat water tank; 240. Third water pump; 250. Electric drive; 260. Electric control; 270. Chassis assembly. Detailed implementation manners

[0039] Next, the technical solutions in the embodiments of the present application will be clearly and completely described in conjunction with the accompanying drawings in the embodiments of the present application. Obviously, the described embodiments are only a part of the embodiments of the present application, rather than all the embodiments. Based on the embodiments in the present application, all other embodiments obtained by those skilled in the art without creative efforts shall fall within the protection scope of the present application.

[0040] As Figures 1 to 7As shown in the figure, to achieve the above object, according to the first aspect of the present application, a thermal management system 1 is provided, including: a first heat exchange subsystem for performing heat exchange with a first space; a second heat exchange subsystem for performing heat exchange with a second space, where the heat exchange requirements of the first space and the second space are different; a first heat exchange component 10 connected to the first heat exchange subsystem and the second heat exchange subsystem for realizing heat exchange between the first heat exchange subsystem and the second heat exchange subsystem.

[0041] Through the above technical solution, the first heat exchange subsystem and the second heat exchange subsystem perform heat exchange through the first heat exchange component, so that the heat exchange requirements between the first space and the second space can be realized. At the same time, the first heat exchange subsystem, the second heat exchange subsystem, and the first heat exchange component are integrated, which not only reduces the production cost of the equipment but also significantly reduces the energy consumption of the system.

[0042] In the present application, the factors affecting different heat exchange requirements include the number of people and the size of the heat exchange space.

[0043] Optionally, the first heat exchange subsystem includes a second heat exchange component 20 and a first circuit, and the second heat exchange component 20 is located on the first circuit. Such a setting can facilitate the heat exchange of the first heat exchange subsystem to meet the use requirements of the device.

[0044] Optionally, the second heat exchange subsystem is connected in parallel to the first circuit through the first heat exchange component 10. Such a setting can facilitate the heat exchange of the first heat exchange subsystem to meet the use requirements of the device.

[0045] Optionally, the first heat exchange subsystem further includes a second circuit, and the second heat exchange component 20 is located on the second circuit. Such a setting can facilitate the heat exchange of the first heat exchange subsystem to meet the use requirements of the device.

[0046] Optionally, the first heat exchange subsystem further includes a multi-way valve 30 for connecting different circuits. Such a setting can facilitate the heat exchange between the first heat exchange subsystem and the outside to meet the use requirements of the device.

[0047] Optionally, the first heat exchange subsystem includes a compressor 40 located on the first circuit. Such a setting can facilitate the heat exchange between the first heat exchange subsystem and the outside to meet the use requirements of the device.

[0048] Optionally, the first heat exchange subsystem includes a fourth heat exchange component 50 located on the first circuit, and the fourth heat exchange component 50 performs heat exchange with the first space. Such a setting can facilitate the heat exchange between the first heat exchange subsystem and the outside to meet the use requirements of the device.

[0049] Optionally, the first circuit is further provided with a first control member 71, and the first control member 71 is located on the connecting pipeline between the first heat exchange assembly 10 and the fourth heat exchange assembly 50. By setting the above, the on-off of the flow path can be adjusted to achieve different working modes of the device.

[0050] Optionally, the first heat exchange subsystem further includes a third control member 90, and the third control member 90 is located at the output end of the compressor 40. By setting the above, the on-off of the flow path can be adjusted to achieve different working modes of the device.

[0051] Optionally, the first heat exchange subsystem further includes a fourth control member 100, and the fourth control member 100 is located at the output end of the multi-way valve 30. By setting the above, the on-off of the flow path can be adjusted to achieve different working modes of the device.

[0052] Optionally, the first circuit further includes a pressure sensor 110, and the pressure sensor 110 is connected to the output end of the compressor 40. This high-precision monitoring helps to detect abnormal conditions in the system in a timely manner, so as to take necessary measures for intervention and prevent the occurrence of failures.

[0053] Optionally, the second heat exchange subsystem includes a refrigeration water tank 120, a first water pump 130, and a battery pack 140. The refrigeration water tank 120, the first water pump 130, the battery pack 140, and the second heat exchange assembly 20 together form a battery refrigeration circuit. With this setting, it is possible to facilitate the heat exchange between the battery refrigeration circuit and the outside to meet the usage requirements of the device.

[0054] Optionally, the battery refrigeration circuit exchanges heat with the first circuit through the second heat exchange assembly 20. With this setting, it is possible to facilitate the heat exchange between the battery refrigeration circuit and the outside to meet the usage requirements of the device.

[0055] Optionally, the second heat exchange subsystem further includes a fifth control member 150. The fifth control member 150 is provided on the connecting pipeline between the battery pack 140 and the second heat exchange assembly 20, and the multi-way valve 30 is used to communicate with the connection port of the second heat exchange assembly 20. By setting the above, the on-off of the flow path can be adjusted to achieve different working modes of the device.

[0056] Optionally, a battery water tank 160, a second water pump 70, and a heater 180 that are interconnected are further provided between the fifth control member 150 and the battery pack 140. One end of the fifth control member 150 can communicate with the battery pack 140, and the other end of the fifth control member 150 can communicate with the battery water tank 160. The fifth control member 150, the battery water tank 160, the second water pump 70, the heater 180, and the battery pack 140 together form a battery heating circuit. With this setting, it is possible to facilitate the heat exchange between the battery heating circuit and the outside to meet the usage requirements of the device.

[0057] Optionally, the second heat exchange subsystem further includes a sixth control member 200 and a water-cooled core 210. One valve port of the sixth control member 200 can communicate with the first heat exchange assembly 10, and the other valve port of the sixth control member 200 can communicate with the water-cooled core 210. The refrigeration water tank 120, the first water pump 130, the second heat exchange assembly 20, the water-cooled core 210, and the sixth control member 200 together form a third refrigeration circuit, and the water-cooled core 210 exchanges heat with the second space. With such an arrangement, it is possible to facilitate the heat exchange between the third refrigeration circuit and the outside to meet the usage requirements of the device.

[0058] Optionally, the third refrigeration circuit can exchange heat with the first circuit through the second heat exchange assembly 20. With such an arrangement, it is possible to facilitate the heat exchange between the third refrigeration circuit and the outside to meet the usage requirements of the device.

[0059] Optionally, a seventh control member 72 is arranged in the first circuit, and the seventh control member 72 is located on the connecting pipeline of the second heat exchange assembly 20. By setting the above, it is possible to adjust the on-off of the flow path to achieve different working modes of the device.

[0060] Optionally, the thermal management system 1 is further provided with a heating member 220, and the heating member 220 can be used to heat the air in its area. The heating member 220 can effectively increase the temperature of the driver's area and create a warm and comfortable driving environment for the driver. In cold seasons or climate conditions, this can significantly improve the driver's driving comfort and work efficiency.

[0061] Optionally, it further includes a third heat exchange subsystem. The third heat exchange subsystem includes a third heat exchange assembly 11, and the third heat exchange subsystem is connected in parallel to the second circuit through the third heat exchange assembly 11. With such an arrangement, it is possible to facilitate the heat exchange between the third heat exchange subsystem and the outside to meet the usage requirements of the device.

[0062] Optionally, the third heat exchange subsystem includes a waste heat water tank 230, a third water pump 240, an electric drive 250, and an electric control 260. The waste heat water tank 230 can communicate with the third heat exchange assembly 11 and the third water pump 240 respectively, and the electric control 260 can communicate with the third heat exchange assembly 11 and the electric drive 250 respectively. The waste heat water tank 230, the third water pump 240, the electric drive 250, the electric control 260, and the third heat exchange assembly 11 together form a first waste heat circuit. With such an arrangement, it is possible to facilitate the heat exchange between the first waste heat circuit and the outside to meet the usage requirements of the device.

[0063] Optionally, the thermal management system 1 further includes a second control member 81, and the second control member 81 is located on the connecting pipeline between the electric control 260 and the waste heat water tank 230. By setting the above, it is possible to adjust the on-off of the flow path to achieve different working modes of the device.

[0064] Optionally, the thermal management system 1 further includes a waste heat recovery pipeline, and the waste heat recovery pipeline includes an eighth control member 82, and the eighth control member 82 is arranged on the connecting pipeline between the electronic control 260 and the third heat exchange assembly 11. By setting the above, the on-off of the flow path can be adjusted to realize different working modes of the device.

[0065] Optionally, the waste heat recovery pipeline further includes a chassis assembly 270, and the chassis assembly 270, the waste heat water tank 230, the third water pump 240 and the third heat exchange assembly 11 together form a second waste heat circuit. With this setting, it is convenient for the second waste heat circuit to exchange heat with the outside to meet the use requirements of the device.

[0066] Optionally, both ends of the first heat exchange assembly 10 can be respectively communicated with one end of the fourth heat exchange assembly 50 and the third heat exchange assembly 11, the other end of the fourth heat exchange assembly 50 is communicated with the third valve port c of the multi-way valve 30, the input end of the compressor 40 can be communicated with the second valve port b of the multi-way valve 30, the input end of the compressor 40 can be communicated with the fourth valve port d of the multi-way valve 30, and the third heat exchange assembly 11 can be communicated with the first valve port a of the multi-way valve 30. The first heat exchange assembly 10, the multi-way valve 30, the compressor 40, the fourth heat exchange assembly 50 and the third heat exchange assembly 11 together form a first heating circuit. With this setting, it is convenient for the first heating circuit to exchange heat with the outside to meet the use requirements of the device.

[0067] Optionally, the chassis assembly 270, the waste heat water tank 230, the third water pump 240, the electronic control 260, and the electric drive 250 together form a third waste heat circuit, and the third waste heat circuit dissipates heat through the first heat exchange assembly 10. With this setting, it is convenient for the third waste heat circuit to exchange heat with the outside to meet the use requirements of the device.

[0068] Optionally, a ninth control member 83 is arranged on the connecting pipeline between the second heat exchange assembly 20 and the multi-way valve 30. By setting the above, the on-off of the flow path can be adjusted to realize different working modes of the device.

[0069] According to the second aspect of the present application, a vehicle is further provided, including the above thermal management system.

[0070] In the thermal management system 1 of the embodiment of the present application, through the above technical solution, the passenger area is cooled or heated by using the first circuit, and at the same time, the refrigeration pipeline is used to exchange heat with the first circuit to cool the battery pack 140 and / or the driver area, and the waste heat recovery pipeline is used to exchange heat with the first circuit to recover the heat of the electric drive 250 and electronic control 260 components. In this way, the integration of passenger area cooling or heating, driver area cooling and waste heat recovery is realized, which not only reduces the production cost of the equipment, but also significantly reduces the energy consumption of the system.

[0071] It should be noted that the terms used herein are only for describing specific embodiments and are not intended to limit the exemplary embodiments according to the present application. As used herein, unless the context clearly indicates otherwise, the singular form is also intended to include the plural form. In addition, it should be understood that when the terms "comprising" and / or "including" are used in this specification, they specify the presence of features, steps, operations, devices, components, and / or combinations thereof.

[0072] Unless otherwise specifically stated, the relative arrangements of the components and steps, numerical expressions, and numerical values set forth in these embodiments do not limit the scope of the present application. At the same time, it should be understood that, for the sake of convenience of description, the dimensions of the various parts shown in the drawings are not drawn in actual proportional relationships. Technologies, methods, and devices known to those of ordinary skill in the relevant art may not be discussed in detail, but where appropriate, the technologies, methods, and devices should be regarded as part of the authorized specification. In all the examples shown and discussed herein, any specific value should be construed as merely exemplary and not as a limitation. Therefore, other examples of the exemplary embodiments may have different values. It should be noted that like reference numerals and letters denote like items in the following drawings, and thus, once an item is defined in one drawing, it does not require further discussion in subsequent drawings.

[0073] In the description of the present application, it should be understood that the orientation or positional relationships indicated by orientation words such as "front, back, up, down, left, right", "lateral, vertical, perpendicular, horizontal", and "top, bottom" are generally based on the orientation or positional relationships shown in the drawings, and are only for the convenience of describing the present application and simplifying the description. Without contrary description, these orientation words do not indicate and imply that the device or element referred to must have a specific orientation or be constructed and operated in a specific orientation, and thus cannot be construed as limiting the protection scope of the present application; the orientation words "inside, outside" refer to the inside and outside relative to the contour of each component itself.

[0074] For ease of description, spatial relative terms such as "above", "over", "on the upper surface", "upper" etc. may be used herein to describe the spatial positional relationship of one device or feature to other devices or features as shown in the figures. It should be understood that the spatial relative terms are intended to encompass different orientations in use or operation in addition to the orientation depicted in the figures. For example, if the device in the figures is inverted, a device described as "above" or "over" other devices or structures will then be positioned "below" or "beneath" the other devices or structures. Thus, the exemplary term "above" can include both orientations of "above" and "below". The device may also be positioned in other different ways (rotated 90 degrees or at other orientations), and the corresponding explanations for the spatial relative descriptions used herein will be made accordingly.

[0075] In addition, it should be noted that the use of terms such as "first", "second" etc. to define components is only for the convenience of differentiating the corresponding components. Without additional statements, the above terms have no special meanings, and thus should not be construed as limiting the protection scope of the present application.

[0076] The above are only the preferred embodiments of the present application and are not used to limit the present application. For those skilled in the art, the present application can have various changes and modifications. Any modifications, equivalent replacements, improvements, etc. made within the spirit and principle of the present application shall be included within the protection scope of the present application.

Claims

1. A thermal management system, characterized in that, Comprising: A first heat exchange subsystem for heat exchange with a first space; A second heat exchange subsystem for heat exchange with a second space, wherein the heat exchange requirements of the first space and the second space are different; A first heat exchange component connected to the first heat exchange subsystem and the second heat exchange subsystem for realizing heat exchange between the first heat exchange subsystem and the second heat exchange subsystem.

2. The thermal management system according to claim 1, characterized in that, The first heat exchange subsystem includes a second heat exchange component and a first circuit, and the second heat exchange component is located on the first circuit.

3. The thermal management system according to claim 2, characterized in that, The second heat exchange subsystem is connected in parallel to the first circuit through the first heat exchange component.

4. The thermal management system according to claim 3, wherein, The first heat exchange subsystem further includes a second circuit, and the second heat exchange component is located on the second circuit.

5. The thermal management system according to claim 4, characterized in that, The first heat exchange subsystem further includes a multi-way valve for connecting different circuits.

6. The thermal management system according to claim 5, characterized in that, The first heat exchange subsystem includes a compressor located on the first circuit.

7. The thermal management system according to claim 6, characterized in that, The first heat exchange subsystem includes a fourth heat exchange component located on the first circuit, and the fourth heat exchange component exchanges heat with the first space.

8. The thermal management system according to claim 7, wherein A first control member is further arranged on the first circuit, and the first control member is located on the connecting pipeline between the first heat exchange component and the fourth heat exchange component.

9. The thermal management system according to claim 8, wherein The second heat exchange subsystem further includes a battery refrigeration circuit, and the battery refrigeration circuit exchanges heat with the first circuit through the second heat exchange component.

10. The thermal management system according to claim 9, characterized in that, The second heat exchange subsystem includes a refrigeration water tank, a first water pump and a battery pack, and the refrigeration water tank, the first water pump, the battery pack and the second heat exchange component together form a battery refrigeration circuit.

11. The thermal management system according to claim 10, wherein, The second heat exchange subsystem further includes a fifth control member arranged on the connecting pipeline between the battery pack and the second heat exchange component, and the multi-way valve is used for communicating with the connecting port of the second heat exchange component.

12. The thermal management system according to claim 11, wherein, A heater is further arranged between the fifth control member and the battery pack. One end of the fifth control member can be communicated with the battery pack, and the fifth control member, the heater and the battery pack together form a battery heating circuit.

13. The thermal management system according to claim 12, wherein, The heat management system further includes a third refrigeration circuit, and the third refrigeration circuit can exchange heat with the first circuit through the second heat exchange component.

14. The thermal management system according to claim 13, characterized in that, The second heat exchange subsystem further includes a water-cooled core. The refrigeration water tank, the first water pump, the second heat exchange component and the water-cooled core together form a third refrigeration circuit, and the water-cooled core exchanges heat with the second space.

15. The thermal management system according to claim 14, characterized in that, A seventh control member is arranged on the first circuit, and the seventh control member is located on the connecting pipeline between the second heat exchange components.

16. The thermal management system according to claim 15, wherein The heat management system is further provided with a heating member for heating the air in its area.

17. The thermal management system according to any one of claims 7-16, characterized in that, It further includes a third heat exchange subsystem, and the third heat exchange subsystem includes a third heat exchange component. The third heat exchange subsystem is connected in parallel to the second circuit through the third heat exchange component.

18. The thermal management system according to claim 17, wherein, The third heat exchange subsystem includes a surplus hot water tank and a third water pump. The surplus hot water tank can be respectively communicated with the third heat exchange component and the third water pump. The surplus hot water tank, the third water pump and the third heat exchange component jointly form a first waste heat circuit.

19. The thermal management system according to claim 18, wherein The third heat exchange subsystem further includes a waste heat recovery pipeline, and the waste heat recovery pipeline can also recover waste heat from one or more of the chassis assembly, the electric drive and the electronic control.

20. The thermal management system according to claim 19, wherein, Both ends of the first heat exchange component can be respectively communicated with one end of the fourth heat exchange component and the third heat exchange component. The other end of the fourth heat exchange component is communicated with the third valve port of the multi-way valve. The input end of the compressor can be communicated with the second valve port of the multi-way valve. The input end of the compressor can be communicated with the fourth valve port of the multi-way valve. The third heat exchange component can be communicated with the first valve port of the multi-way valve. The first heat exchange component, the multi-way valve, the compressor, the fourth heat exchange component and the third heat exchange component jointly form a first heating circuit.

21. A vehicle, characterized in that, Comprising the heat management system according to any one of claims 1-20.

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