Thermal Management System and Vehicle

Abstract

A thermal management system and a vehicle, wherein the thermal management system includes: a first heat storage circuit including an electric drive module (10) and a front-end heat dissipation module (20); a first pipeline (L1) communicating with both ends of the electric drive module (10) and used to form a second heat storage circuit with the electric drive module (10); and a heat exchange medium for performing heat exchange in the thermal management system. With this thermal management system, the technical problem of serious reduction in the cruising range of existing new energy vehicles in low-temperature environments can be improved.

Description

Technical Field

[0001] The present application relates to the technical field of automotive thermal efficiency cycles, and more particularly, to a thermal management system and a vehicle. Background Art

[0002] With the development of new energy technologies, new energy vehicles are also becoming increasingly popular. During the rapid development of new energy vehicles, problems such as their cruising range, battery life, safety, comfort, and efficiency have begun to stand out and become important factors restricting the development of new energy vehicles.

[0003] Compared with traditional fuel vehicles, the main problem of new energy vehicles lies in their relatively short cruising range. The electric drive system of new energy vehicles usually includes a motor, a reducer, and an electronic control unit, etc. When the ambient temperature is relatively low, the operating efficiency of this electric drive system will be significantly reduced, resulting in a significant attenuation of the cruising range. Summary of the Invention

[0004] The present application provides a thermal management system and a vehicle, which can improve the technical problem of serious attenuation of the cruising range of existing new energy vehicles in low-temperature environments.

[0005] In a first aspect, an embodiment of the present application provides a thermal management system, including:

[0006] A first heat storage circuit, including an electric drive module and a front-end heat dissipation module;

[0007] A first pipeline, communicating with both ends of the electric drive module, for forming a second heat storage circuit with the electric drive module;

[0008] A heat exchange medium, for performing heat exchange in the thermal management system.

[0009] In the technical solution of the embodiment of the present application, by setting the first heat storage circuit and the second heat storage circuit, the heat exchange medium can flow in the first heat storage circuit or the second heat storage circuit and exchange heat with each module in the circuit. When the temperature of the electric drive module is relatively high, the heat exchange medium can absorb the heat of the electric drive module and release it to the front-end heat dissipation module in the first heat storage circuit for heat dissipation, thereby reducing the temperature of the electric drive module. When the temperature of the electric drive module is relatively low, after the heat exchange medium absorbs the heat of the electric drive module, it circulates in the second heat storage circuit through the first pipeline and releases the heat to the electric drive module, thereby increasing the temperature of the electric drive module. In a low-temperature environment, the second heat storage circuit can effectively prevent the heat of the electric drive module from being dissipated to the outside and heat the electric drive module with this heat to quickly increase the temperature of the electric drive module, thereby improving the working efficiency of the electric drive module and the cruising range in a low-temperature environment.

[0010] In some embodiments, the first heat storage loop further includes: a first control valve, including a first end, a second end, and a third end, which are respectively connected to the electric drive module, the front-end heat dissipation module, and the first pipeline. By means of the first control valve, the connection relationship between each module can be adjusted, so as to form different heat storage loops to respectively achieve the heat dissipation and heating of the electric drive module.

[0011] In some embodiments, the first end of the first control valve is connected to the first end of the electric drive module, the second end of the first control valve is connected to the first end of the front-end heat dissipation module, the third end of the first control valve is connected to the first end of the first pipeline, and the second ends of the electric drive module, the front-end heat dissipation module, and the first pipeline are connected to a common node; the first control valve is a proportional valve, which is used to adjust the conduction state and the circulation flow rate of the first heat storage loop and / or the second heat storage loop. The flow control of the corresponding heat storage loop can also be achieved through the first control valve.

[0012] In some embodiments, the thermal management system further includes: a third heat storage loop, including an electric drive module and a first in-vehicle heat exchange module; the third heat storage loop transfers heat to the first in-vehicle heat exchange module through a heat exchange medium. Through the third heat storage loop, the heat of the electric drive module can be transferred to the first in-vehicle heat exchange module to achieve the heating function of the vehicle interior space.

[0013] In some embodiments, the third heat storage loop further includes: a second control valve, including a first end and a second end, which are respectively connected to the electric drive module and the first in-vehicle heat exchange module. By setting the second control valve, the adjustment of the heating power can also be achieved by adjusting the flow rate of the third heat storage loop.

[0014] In some embodiments, the thermal management system further includes: a fourth heat storage loop, including an electric drive module and a battery device, which is used to transfer heat to the battery device through a heat exchange medium. Through the fourth heat storage loop, the heat of the electric drive module can be transferred to the battery device to achieve the heating of the battery device.

[0015] In some embodiments, the first end of the second control valve is connected to the first end of the electric drive module, the second end of the second control valve is connected to the first end of the first in-vehicle heat exchange module, and the second end of the first in-vehicle heat exchange module is connected to the second end of the electric drive module; the second control valve is a proportional valve, which is used to adjust the conduction state and the circulation flow rate of the third heat storage loop. The flow control of the third heat storage loop can also be achieved through the second control valve.

[0016] In some embodiments, the fourth heat storage loop further includes: a third control valve, including a first end, a second end, and a third end, which are respectively connected to the electric drive module, the front-end heat dissipation module, and the battery device. By means of the third control valve, the fourth heat storage loop can be conducted to heat the battery device and increase the temperature of the battery device.

[0017] In some embodiments, the first end of the third control valve is connected to the second end of the electric drive module, the second end of the third control valve is connected to the second end of the front-end heat dissipation module, the third end of the third control valve is connected to the second end of the battery device, and the second end of the battery device is connected to the first end of the electric drive module; the third control valve is a proportional valve for adjusting the conduction state and the circulation flow rate of the fourth heat storage loop. The flow control of the fourth heat storage loop can also be achieved through the third control valve.

[0018] In some embodiments, the fourth heat storage loop further includes: a second pipeline including a heating module, the second pipeline is communicated with both ends of the battery device, and the heating module is used for heating the heat exchange medium. By conducting the second pipeline, the heating module can also be directly used to heat the heat exchange medium, so that the battery device receives more heat and the temperature of the battery device can be quickly increased.

[0019] In some embodiments, the fourth heat storage loop further includes: a fourth control valve including a first end, a second end and a third end, which are respectively connected to the electric drive module, the battery device and the second pipeline. The heating module branch can be connected to the fourth heat storage loop to form a heating loop according to the heat of the electric drive module through the fourth control valve, so as to improve the heating efficiency of the battery device.

[0020] In some embodiments, the first end of the fourth control valve is connected to the first end of the electric drive module, the second end of the fourth control valve is connected to the second end of the battery device, the third end of the fourth control valve is connected to the first end of the second pipeline, and the second end of the second pipeline is connected to the first end of the battery device; the fourth control valve is a proportional valve for adjusting the conduction state and the circulation flow rate of the heating loop. The flow control of the heating loop can also be achieved through the fourth control valve.

[0021] In some embodiments, the thermal management system further includes: a fifth heat storage loop including a first pipeline, an electric drive module and a battery cooling module for transferring heat to the battery cooling module through a heat exchange medium; a condensing medium for exchanging heat through alternating evaporation and condensation; a first condensation loop including the battery cooling module and a first condensation module for transferring heat to the first condensation module through the condensing medium; a sixth heat storage loop including the first condensation module and a first in-vehicle heat exchange module for transferring heat to the first in-vehicle heat exchange module through the heat exchange medium. The heat of the electric drive module is transmitted to the first in-vehicle heat exchange module through the fifth heat storage loop, the first condensation loop and the sixth heat storage loop together, so as to realize the in-vehicle heating function even when the temperature of the electric drive module is relatively low.

[0022] In some embodiments, the fifth heat storage loop further includes: a fifth control valve, including a first end, a second end, and a third end, which are respectively connected to the first pipeline, the electric drive module, and the battery cooling module; a sixth control valve, including a first end, a second end, and a third end, which are respectively connected to the battery cooling module, the electric drive module, and the first control valve, and is used to connect the first end and the second end. By adjusting the fifth control valve and the sixth control valve, the fifth heat storage loop can be turned on, so as to realize vehicle interior heating through the heat of the electric drive module.

[0023] In some embodiments, the first end of the fifth control valve is connected to the second end of the first pipeline, the second end of the fifth control valve is connected to the second end of the electric drive module, and the third end of the fifth control valve is connected to the first end of the battery cooling module; the first end of the sixth control valve is connected to the second end of the battery cooling module, the second end of the sixth control valve is connected to the second end of the electric drive module, and the third end of the sixth control valve is connected to the first end of the first control valve; the fifth control valve and the sixth control valve are proportional valves, which are used to jointly adjust the on state and the circulation flow rate of the fifth heat storage loop with the first control valve. Through the fifth control valve and the sixth control valve, they can cooperate with the first control valve to form the fifth heat storage loop and realize the flow control of the fifth heat storage loop.

[0024] In some embodiments, the thermal management system further includes: a seventh heat storage loop, including a front-end heat dissipation module and a battery cooling module, which is used to absorb the heat of the air in the front-end heat dissipation module through a heat exchange medium and transfer it to the battery cooling module; the fifth control valve and the sixth control valve are also used to jointly adjust the on state and the circulation flow rate of the seventh heat storage loop with the first control valve. Through the seventh heat storage loop, an air source heat pump can be formed by using the front-end heat dissipation module to provide heat for the first vehicle interior heat exchange module.

[0025] In some embodiments, the first condensation loop further includes: a liquid storage module, connected to the first condensation module, which is used to store the condensed condensation medium after passing through the first condensation module; a first expansion valve, connected between the liquid storage module and the battery cooling module, which is used to throttle the condensation medium; a compression module, connected between the battery cooling module and the first condensation module, which is used to compress the evaporated condensation medium and then transfer it to the first condensation module. The condensation medium can absorb and release heat through evaporation and condensation in the loop, so as to transfer the heat of the battery cooling module to the first condensation module.

[0026] In a second aspect, an embodiment of the present application further provides a vehicle, and the vehicle includes the thermal management system as in the first aspect.

[0027] The above description is only an overview of the technical solution of this application. In order to understand the technical means of this application more clearly, it can be implemented according to the content of the specification. And in order to make the above and other purposes, features and advantages of this application more obvious and understandable, the specific embodiments of this application are specifically given below. Brief Description of the Drawings

[0028] In order to more clearly illustrate the technical solutions of the embodiments of this application, the drawings required to be used in the embodiments of this application will be briefly introduced below. Obviously, the drawings described below are only some embodiments of this application. For those of ordinary skill in the art, without creative efforts, other drawings can be obtained according to the drawings.

[0029] Figure 1 It is a schematic diagram of the module structure of the thermal management system provided by an embodiment of this application;

[0030] Figure 2 It is a schematic diagram of the module structure of the thermal management system provided by another embodiment of this application;

[0031] Figure 3 It is a schematic diagram of the module structure of the thermal management system provided by yet another embodiment of this application;

[0032] Figure 4 It is a schematic diagram of the module structure of the thermal management system provided by still another embodiment of this application;

[0033] Figure 5 It is a schematic diagram of the module structure of the thermal management system provided by yet another embodiment of this application;

[0034] Figure 6 It is a schematic diagram of the module structure of the thermal management system provided by still another embodiment of this application;

[0035] Figure 7 It is a schematic diagram of the module structure of the thermal management system provided by yet another embodiment of this application;

[0036] Figure 8 It is a schematic diagram of the module structure of the thermal management system provided by still another embodiment of this application.

[0037] In the drawings, the drawings are not drawn to actual scale.

[0038] In the accompanying drawings: 10, electric drive module; 20, front-end heat dissipation module; 30, first in-vehicle heat exchange module; 31, second in-vehicle heat exchange module; 40, battery device; 50, heating module; 60, battery cooling module; 70, first condensation module; 71, liquid storage module; 72, first expansion valve; 73, compression module; 74, second expansion valve; L1, first pipeline; L2, second pipeline; 81, first control valve; 82, second control valve; 83, third control valve; 84, fourth control valve; 85, fifth control valve; 86, sixth control valve; 91, motor water pump; 92, battery water pump; 93, heater water pump. Detailed implementation manners

[0039] To make the objectives, technical solutions, and advantages of the embodiments of this application clearer, the technical solutions in the embodiments of this application will be clearly described below with reference to the accompanying drawings in the embodiments of this application. Apparently, the described embodiments are some but not all of the embodiments of this application. All other embodiments obtained by those of ordinary skill in the art based on the embodiments of this application without making creative efforts shall fall within the scope of protection of this application.

[0040] Unless otherwise defined, all technical and scientific terms used in this application have the same meanings as those commonly understood by those skilled in the technical field to which this application belongs; the terms used in the specification of this application are only for the purpose of describing specific embodiments and are not intended to limit this application; the terms "including" and "having" and any variations thereof in the specification and claims of this application and the above accompanying drawings are intended to cover non-exclusive inclusion. The terms "first", "second", etc. in the specification and claims of this application or the above accompanying drawings are used to distinguish different objects and are not used to describe a specific order or primary-secondary relationship.

[0041] Referring to "embodiments" in this application means that specific features, structures, or characteristics described in connection with the embodiments can be included in at least one embodiment of this application. The phrase appears in various places in the specification and does not necessarily refer to the same embodiment, nor is it an independent or alternative embodiment mutually exclusive with other embodiments.

[0042] In the description of this application, it should be noted that, unless otherwise clearly specified and limited, the terms "installed", "connected", "coupled", and "attached" should be understood in a broad sense. For example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a direct connection or an indirect connection through an intermediate medium, and it can be the internal communication of two components. For those of ordinary skill in the art, the specific meanings of the above terms in this application can be understood according to specific circumstances.

[0043] In this application, the term "and / or" is merely a description of the association relationship between associated objects, indicating that there can be three relationships. For example, A and / or B can represent: A exists alone, A and B exist simultaneously, and B exists alone. Additionally, in this application, the character " / " generally indicates that the associated objects before and after are in an "or" relationship.

[0044] In the embodiments of this application, the same reference numerals represent the same components. And for the sake of brevity, in different embodiments, the detailed description of the same components is omitted. It should be understood that the thickness, length, width, etc. of various components in the embodiments of this application shown in the drawings, as well as the overall thickness, length, width, etc. of the integrated device, are only for illustrative purposes and should not constitute any limitation to this application.

[0045] The term "a plurality of" as used in this application refers to two or more (including two).

[0046] Currently, with the development of new energy technologies, batteries are increasingly widely used in various electrical devices, such as mobile phones, laptops, electric bicycles, electric vehicles, electric airplanes, electric ships, etc. With the continuous expansion of the battery application field, the market demand for them is also continuously increasing.

[0047] Power batteries can be used as the main power source of electrical devices (such as vehicles, ships, or spacecraft, etc.), while energy storage batteries can be used as the charging source of electrical devices. The importance of both is self-evident. By way of example and not limitation, in some application scenarios, the power battery can be the battery in the electrical device, and the energy storage battery can be the battery in the charging device. For the sake of convenience in description, hereinafter, both power batteries and energy storage batteries can be collectively referred to as batteries.

[0048] Currently, in a low-temperature environment, the operating efficiency of the electronic control system of new energy vehicles is relatively low, and the energy provided by the power battery cannot be efficiently utilized, resulting in a significant reduction in the overall vehicle cruising range of the vehicle compared to the normal environment.

[0049] The inventors noticed that in the related art, in the heat pump system of the electronic control system of new energy vehicles, it is mainly to collect the waste heat of the electric drive system to heat the battery or the passenger compartment in the vehicle, so as to heat the battery or improve the heating capacity of the passenger compartment in a low-temperature environment. However, the electric drive system itself also has the problem of reduced working efficiency in a low-temperature environment. At this time, the heat management methods and heat pump systems proposed in the related art cannot solve this technical problem.

[0050] To solve the above technical problems, the embodiments of this application provide a heat management system and a vehicle. First, the heat management system provided by the embodiments of this application will be introduced below.

[0051] The thermal management system disclosed in the embodiments of the present application can be but is not limited to being used in electrical devices such as vehicles, ships, or aircraft. The embodiments of the present application provide an electrical device using a battery pack as a power source. The electrical device may include an electric drive module or other components whose working efficiency is affected by the ambient temperature. For example, the electrical device can be but is not limited to mobile phones, tablets, laptops, electric toys, electric tools, battery cars, electric vehicles, ships, spacecraft, and so on.

[0052] Figure 1 The schematic diagram of the module structure of the thermal management system provided by an embodiment of the present application is shown. The thermal management system includes a first heat storage loop, a first pipeline, and a heat exchange medium.

[0053] For the convenience of description in the following embodiments, an electric vehicle, which is an electrical device in an embodiment of the present application, is taken as an example for illustration.

[0054] Please refer to Figure 1 and Figure 2 , the first heat storage loop includes an electric drive module 10 and a front-end heat dissipation module 20. Both ends of the first pipeline L1 are respectively connected to both ends of the electric drive module 10, and the first pipeline L1 can form a second heat storage loop with the electric drive module 10. That is, when the first pipeline L1 is not conducted, as shown in Figure 1 , the first heat storage loop is formed; when the first pipeline L1 is conducted, as shown in Figure 2 , the second heat storage loop is formed.

[0055] The heat exchange medium can flow in the first heat storage loop or the second heat storage loop and exchange heat with the front-end heat dissipation module 20 or the electric drive module 10 in the thermal management system.

[0056] The above-mentioned electric drive module 10 may include an electric drive component and an electric energy conversion component. Among them, the electric drive component may include a motor, a reducer, and an electronic control, etc., and the electric energy conversion component may include an on-vehicle charger, a voltage conversion module, a distribution box, etc. It can be understood that the working efficiency of the electric drive component is affected by the ambient temperature. When the ambient temperature is low, the working efficiency of the electric drive component will decrease, resulting in a reduction in the energy conversion efficiency of the battery, and ultimately causing a large attenuation in the cruising range of the electric vehicle. The electric energy conversion component usually converts the battery voltage into the electrical signals required by various loads in the electric vehicle. During the conversion process of the electric energy conversion component, a certain amount of power loss will be generated, and this part of the loss will be converted from electrical energy into heat energy, thereby causing the electric energy conversion component to generate heat. In order to prevent the electric energy conversion component from being affected by high temperature when the heat generation is high, it is necessary to dissipate the heat of this part.

[0057] When the first heat storage circuit is turned on, the heat exchange medium can flow in the first heat storage circuit. When the heat exchange medium flows to the electric drive module 10, it can absorb the heat generated by the electric drive module 10 during operation, and transfer the absorbed heat through the flow in the first heat storage circuit. When the heat exchange medium flows to the front-end heat dissipation module 20, it can release the heat and dissipate the heat through the front-end heat dissipation module 20.

[0058] When the first heat storage circuit is turned on, the heat generated by the electric drive module 10 in the working state can be transmitted to the front-end heat dissipation module 20 through the heat exchange medium, and dissipated through the front-end heat dissipation module 20, so as to export the heat generated by the electric drive module 10 and avoid the temperature of the electric drive module 10 from being too high.

[0059] As Figure 2 shown, when the first pipeline L1 is turned on, the first pipeline L1 can form a second heat storage circuit with the electric drive module 10. At this time, the passage between the front-end heat dissipation module 20 and the electric drive module 10 can be disconnected, that is, the first heat storage circuit is disconnected. After the heat generated by the electric drive module 10 is absorbed by the heat exchange medium, the heat exchange medium can flow back to the electric drive module 10 through the first pipeline L1 in the second heat storage circuit. Since the first pipeline L1 in the second heat storage circuit does not have a heat dissipation function, the heat absorbed by the heat exchange medium will not be released to the outside, but the heat will be released when the heat exchange medium flows back to the electric drive module 10 again, and the electric drive module 10 is heated by the released heat, so as to realize the temperature rise of the electric drive module 10.

[0060] When the second heat storage circuit is turned on, the heat generated by the electric drive module 10 in the working state will not be released to the outside through the front-end heat dissipation module 20, but will flow back to the electric drive module 10 after flowing through the first pipeline L1 by the heat exchange medium, so as to heat the electric drive module 10. When the ambient temperature is low, the second heat storage circuit can heat the electric drive module 10 with the heat generated by the electric drive module 10 itself, so that the temperature of the electric drive module 10 can be raised to a suitable working temperature range, avoiding the reduction of the working efficiency of the electric drive module 10 at low temperature, improving the reduction of the cruising range caused by the reduction of the efficiency of the electric drive module 10 at low ambient temperature, and increasing the cruising range of the electric vehicle in low temperature environment.

[0061] It can be understood that when the electric drive module 10 operates within a suitable temperature range, it can maintain a high working efficiency. When the temperature is too low or too high, the working efficiency will be reduced. Moreover, when the temperature is too high, there is a possibility that the electric drive module 10 may be damaged at high temperatures, affecting the safety and stability of the electric drive module 10. Therefore, the electric vehicle can detect the temperature of the electric drive module 10. When the temperature is low, the second heat storage circuit can be turned on, so that when the heat exchange medium flows in the circuit, it does not pass through the front heat dissipation module 20, and the heat absorbed by the heat exchange medium when flowing through the electric drive module 10 will not be dissipated by the front heat dissipation module 20. At this time, the heat exchange medium can continue to circulate in the second heat storage circuit and release the absorbed heat when flowing to the electric drive module 10, thereby realizing the heating of the electric drive module 10 to increase the temperature of the electric drive module 10.

[0062] Correspondingly, when the temperature of the electric drive module 10 is high, the first heat storage circuit can be turned on. At this time, the heat exchange medium can circulate in the first heat storage circuit and release heat when flowing through the front heat dissipation module 20, and the front heat dissipation module 20 can dissipate the heat to the outside of the electric vehicle. For example, the front heat dissipation module 20 can include a radiator and a fan. The radiator can absorb the heat carried by the heat exchange medium, and the fan can blow the heat dissipated by the radiator out of the electric vehicle through air blowing to achieve heat dissipation. During the process of circulating flow, the heat exchange medium can transfer the heat generated by the electric drive module 10 to the front heat dissipation module 20 and dissipate the heat, thereby realizing the cooling of the electric drive module 10.

[0063] It can be understood that the first heat storage circuit and the second heat storage circuit can also be turned on simultaneously. By controlling the valve opening degree at the intersection point, the flow rates of the heat exchange medium in the first heat storage circuit and the second heat storage circuit can also be adjusted respectively.

[0064] In this embodiment, by providing a first heat storage circuit and a second heat storage circuit, the heat exchange medium can flow in the first heat storage circuit or the second heat storage circuit and exchange heat with each module in the circuit. When the temperature of the electric drive module 10 is relatively high, the heat exchange medium can absorb the heat of the electric drive module 10 and release it to the front-end heat dissipation module 20 in the first heat storage circuit, so as to release the heat through the front-end heat dissipation module 20, thereby reducing the temperature of the electric drive module 10. When the temperature of the electric drive module 10 is relatively low, after the heat exchange medium absorbs the heat of the electric drive module 10, it circulates in the second heat storage circuit through the first pipeline L1. At this time, the heat absorbed by the heat exchange medium can be released to the electric drive module 10 again, thereby increasing the temperature of the electric drive module 10. In a low-temperature environment, the second heat storage circuit can effectively prevent the heat of the electric drive module 10 from being dissipated to the outside, and heat the electric drive module 10 with this heat to quickly increase the temperature of the electric drive module 10, thereby improving the working efficiency of the electric drive module 10 and the cruising range in a low-temperature environment.

[0065] According to some embodiments of the present application, the above-mentioned first heat storage circuit may further include a first control valve 81. The first end of the first control valve 81 is connected to the electric drive module 10, the second end is connected to the front-end heat dissipation module 20, and the third end is connected to the first pipeline L1.

[0066] When the first control valve 81 connects the first end and the second end, the electric drive module 10 is connected to the front-end heat dissipation module 20 to form a first heat storage circuit. The heat exchange medium can circulate in the first heat storage circuit, transfer the heat generated by the electric drive module 10 to the front-end heat dissipation module 20, and dissipate it to the outside of the electric vehicle through the front-end heat dissipation module 20, so as to realize the heat dissipation and temperature reduction of the electric drive module 10.

[0067] When the first control valve 81 connects the first end and the third end, the electric drive module 10 is connected to the first pipeline L1 to form a second heat storage circuit. The heat exchange medium can circulate in the second heat storage circuit. The heat generated by the electric drive module 10 will not be released in the first pipeline L1, but will release heat when the heat exchange medium flows back to the electric drive module 10 again, heating the electric drive module 10 to realize the heating and temperature increase of the electric drive module 10.

[0068] According to some embodiments of the present application, the first end of the above-mentioned first control valve 81 is connected to the first end of the electric drive module 10, the second end of the first control valve 81 is connected to the first end of the front-end heat dissipation module 20, the third end of the first control valve 81 is connected to the first end of the first pipeline L1, and the second ends of the electric drive module 10, the front-end heat dissipation module 20, and the first pipeline L1 are connected to a common node.

[0069] The above-mentioned first control valve 81 can be a three-way proportional valve. When connecting each port, the three-way proportional valve can also control the on-off state and circulating flow rate of different circuits by controlling the opening degree of each valve. For example, when the first control valve 81 connects the first end and the second end, the electric drive module 10 and the front-end heat dissipation module 20 are conducted to form a first heat storage circuit; when the first control valve 81 disconnects the first end and the second end, the first heat storage circuit is disconnected. When the first control valve 81 is a proportional valve, the circulating flow rate of the heat exchange medium in the first heat storage circuit can also be adjusted by adjusting the valve opening degree, so as to adjust the heat exchange efficiency.

[0070] Similarly, when the first control valve 81 connects the first end and the third end, the electric drive module 10 and the first pipeline L1 are conducted to form a second heat storage circuit; when the first control valve 81 disconnects the first end and the third end, the second heat storage circuit is disconnected. When the first control valve 81 is a proportional valve, the circulating flow rate of the heat exchange medium in the second heat storage circuit can also be adjusted by adjusting the valve opening degree, so as to adjust the heat exchange efficiency.

[0071] In the above embodiment, the three-way proportional valve can also connect the first end and the second end and connect the first end and the third end at the same time. Then, after part of the heat exchange medium flows out of the electric drive module 10, it re-enters the electric drive module 10 through the front-end heat dissipation module 20, and the other part of the heat exchange medium re-enters the electric drive module 10 through the first pipeline L1. According to the detected temperature of the electric drive module 10, the flow rates of the heat exchange medium in the first heat storage circuit and the second heat storage circuit can also be controlled by controlling the three-way proportional valve. For example, when the temperature of the electric drive module 10 is slightly higher, the flow rate in the first heat storage circuit can be increased and the flow rate in the second heat storage circuit can be decreased, so as to increase the heat dissipation efficiency of the front-end heat dissipation module 20 and thus cool the electric drive module 10. Correspondingly, when the temperature of the electric drive module 10 is slightly lower, the flow rate in the second heat storage circuit can be increased and the flow rate in the first heat storage circuit can be decreased, so as to reduce the heat dissipation efficiency of the front-end heat dissipation module 20 and thus heat the electric drive module 10.

[0072] It can be understood that in the above embodiment, the motor water pump 91 can also be set in series with the electric drive module 10, and the motor water pump 91 is used to drive the heat exchange medium to circulate in the first heat storage circuit or the second heat storage circuit.

[0073] Please refer to Figure 3 , according to some embodiments of the present application, the above heat management system may further include a third heat storage circuit.

[0074] The third heat storage loop may include the electric drive module 10 and the first in-vehicle heat exchange module 30. This third heat storage loop can transfer the heat of the electric drive module 10 to the first in-vehicle heat exchange module 30 through the circulating flow of the heat exchange medium, and introduce the heat into the vehicle interior space through the first in-vehicle heat exchange module 30 to achieve heating and temperature rise of the vehicle interior space.

[0075] The vehicle interior space can be the passenger compartment of the electric vehicle, and the first in-vehicle heat exchange module 30 can include the heating module of the air conditioning system of the electric vehicle. When the heat exchange medium flows in the third heat storage loop, it can absorb the heat generated by the electric drive module 10 and release this heat to the first in-vehicle heat exchange module 30. The first in-vehicle heat exchange module 30 can introduce heat into the vehicle interior space in the heating mode of the electric vehicle to achieve the heating function.

[0076] During the operation of the electric drive module 10, the heat generated by it usually dissipates through the front-end heat dissipation module 20. When the electric vehicle has a heating requirement, the third heat storage loop can be turned on, so that this part of the heat generated by the electric drive module 10 is transmitted to the first in-vehicle heat exchange module 30. When the temperature of the electric drive module 10 is higher than the temperature of the passenger compartment, the electric drive module 10 can act as a high-temperature heat source and introduce the generated heat into the passenger compartment through the third heat storage loop and the first in-vehicle heat exchange module 30 to achieve heating of the passenger compartment.

[0077] According to some embodiments of the present application, the above-mentioned first in-vehicle heat exchange module 30 may include a heater core and a blower.

[0078] When the heat exchange medium circulates in the third heat storage loop, the heat exchange medium can absorb the heat generated by the electric drive module 10 and release the heat to the heater core when flowing through the heater core, so as to achieve heat exchange between the electric drive module 10 and the heater core. The blower can introduce the heat absorbed by the heater core into the vehicle interior space through blowing to achieve the heating function.

[0079] According to some embodiments of the present application, the above-mentioned third heat storage loop may further include a second control valve 82.

[0080] The first end of the second control valve 82 is connected to the electric drive module 10, and the second end of the second control valve 82 is connected to the first in-vehicle heat exchange module 30.

[0081] As Figure 3 shown, when the second control valve 82 conducts the first end and the second end, the electric drive module 10 is connected to the first in-vehicle heat exchange module 30 to form a third heat storage loop. The heat exchange medium can circulate in the third heat storage loop, transfer the heat generated by the electric drive module 10 to the first in-vehicle heat exchange module 30, and introduce it into the vehicle interior space of the electric vehicle through the first in-vehicle heat exchange module 30 to achieve the heating function.

[0082] According to some embodiments of the present application, the first end of the second control valve 82 is connected to the first end of the electric drive module 10, the second end of the second control valve 82 is connected to the first end of the first in-vehicle heat exchange module 30, and the second end of the first in-vehicle heat exchange module 30 is connected to the second end of the electric drive module 10.

[0083] The second control valve 82 may be a three-way proportional valve. When the second control valve 82 connects the first end and the second end, the electric drive module 10 is connected to the first in-vehicle heat exchange module 30 to form a third heat storage loop; when the second control valve 82 disconnects the first end and the second end, the third heat storage loop is disconnected. When the second control valve 82 is a proportional valve, the circulation flow rate of the heat exchange medium in the third heat storage loop can also be adjusted by adjusting the valve opening, so as to adjust the heat exchange efficiency. The second control valve 82 may further have a third end, and this third end may be connected to the front-end heat dissipation module 20. The second control valve 82 can control the first heat storage loop and the third heat storage loop to be conducted simultaneously, and respectively adjust the flow rates of the first heat storage loop and the third heat storage loop by controlling the valve opening of the three-way proportional valve.

[0084] That is, when the electric vehicle has a high heating demand, the flow rate of the third heat storage loop can be increased through the three-way proportional valve, and the flow rate of the first heat storage loop can be reduced, so that more heat of the electric drive module 10 is conducted to the vehicle interior space through the first in-vehicle heat dissipation module. It can be understood that when the three-way proportional valve disconnects the first end and the third end, all the heat of the electric drive module 10 is introduced into the vehicle interior space through the first heat storage loop, and at this time, the heating efficiency using the waste heat of the electric drive module 10 is the highest. When the heating demand of the electric vehicle is low, the flow rate of the first heat storage loop can be increased through the three-way proportional valve, so that the excess heat is exported to the external environment through the front-end heat dissipation module 20.

[0085] Please refer to Figure 4 , according to some embodiments of the present application, the above heat management system may further include a fourth heat storage loop.

[0086] The fourth heat storage loop may include the electric drive module 10 and the battery device 40. This fourth heat storage loop can transfer the heat of the electric drive module 10 to the battery device 40 through the circulation of the heat exchange medium to realize the heating of the battery device 40.

[0087] During the operation of the electric drive module 10, the heat generated by it is usually dissipated through the front-end heat dissipation module 20. When the battery device 40 of the electric vehicle has a heating requirement, the fourth heat storage loop can be turned on, so that this part of the heat generated by the electric drive module 10 is transmitted to the battery device 40 to heat the battery device 40 and increase the temperature of the battery device 40. When the temperature of the battery device 40 is lower than the appropriate temperature range, it will affect the output power and efficiency of the battery device 40. Transferring the heat generated by the electric drive module 10 to the battery device 40 through the fourth heat storage loop and heating the battery device 40 can make full use of the heat generated by the electric drive module 10, use the electric drive module 10 as a medium-temperature heat source to heat the battery device 40, and raise the temperature of the battery device 40 to the appropriate temperature range, thereby improving the energy utilization efficiency of the battery device 40 in a low-temperature environment.

[0088] According to some embodiments of the present application, the above-mentioned fourth heat storage loop may further include a third control valve 83.

[0089] The first end of the third control valve 83 is connected to the electric drive module 10, the second end is connected to the front-end heat dissipation module 20, and the third end is connected to the battery device 40.

[0090] As Figure 4 shown, when the third control valve 83 conducts the first end and the third end, the electric drive module 10 is connected to the battery device 40 to form a fourth heat storage loop. The heat exchange medium can circulate in the fourth heat storage loop to transfer the heat generated by the electric drive module 10 to the battery device 40 to heat the battery device 40 and increase the temperature of the battery device 40.

[0091] According to some embodiments of the present application, the first end of the above-mentioned third control valve 83 is connected to the second end of the electric drive module 10, the second end of the third control valve 83 is connected to the second end of the front-end heat dissipation module 20, the third end of the third control valve 83 is connected to the second end of the battery device 40, and the second end of the battery device 40 is connected to the first end of the electric drive module 10.

[0092] The above-mentioned third control valve 83 can be a three-way proportional valve. When the third control valve 83 connects the first end and the third end, the electric drive module 10 is connected to the battery device 40 to form a fourth heat storage loop; when the third control valve 83 disconnects the first end and the third end, the fourth heat storage loop is disconnected. When the third control valve 83 is a proportional valve, the circulation flow rate of the heat exchange medium in the fourth heat storage loop can also be adjusted by adjusting the valve opening, so as to realize the adjustment of the heat exchange efficiency.

[0093] In the above embodiment, when the fourth heat storage loop is turned on, the third control valve 83 can disconnect the second end from the other ends to prevent heat loss caused by the heat exchange medium flowing through the front-end heat dissipation module 20 when flowing in the fourth heat storage loop.

[0094] It can be understood that in the above embodiments, the battery water pump 92 can also be set in series with the battery device 40, and the battery water pump 92 is used to drive the heat exchange medium to circulate in the fourth heat storage loop.

[0095] Please refer to Figure 5 , according to some embodiments of the present application, the above fourth heat storage loop may further include a second pipeline L2.

[0096] The second pipeline L2 is provided with a heating module 50. Both ends of the second pipeline L2 are respectively communicated with both ends of the battery device 40. The heating module 50 on the second pipeline L2 can heat the heat exchange medium when the heat exchange medium flows through the second pipeline L2.

[0097] When the electric drive module 10 and the battery device 40 form a fourth heat storage loop, the electric drive module 10 can transfer the waste heat generated to the battery device 40 through the heat exchange medium to heat the battery device 40. When the heat generated by the electric drive module 10 is insufficient, that is, the electric drive waste heat is not enough to raise the temperature of the battery device 40 to an appropriate temperature range, the second pipeline L2 can also be turned on. When the second pipeline L2 is turned on, it forms a branch of the fourth heat storage loop with the battery device 40, and the heat exchange medium can circulate on this branch. When the heat exchange medium flows through the second pipeline L2, the heating module 50 on the second pipeline L2 can heat the heat exchange medium so that the heat exchange medium absorbs more heat and releases the absorbed heat when flowing through the battery device 40 to heat the battery device 40. When the electric drive waste heat is insufficient and the temperature of the battery device 40 cannot be quickly and effectively increased, the heating module 50 can heat the heat exchange medium so that the heat exchange medium releases more heat in the battery device 40 to quickly and effectively heat up the battery device 40.

[0098] According to some embodiments of the present application, the above fourth heat storage loop may further include a fourth control valve 84.

[0099] The first end of the fourth control valve 84 is connected to the electric drive module 10, the second end is connected to the battery device 40, and the third end is connected to the second pipeline L2.

[0100] According to some embodiments of the present application, as Figure 5 shown, the first end of the fourth control valve 84 is connected to the first end of the electric drive module 10, the second end of the fourth control valve 84 is connected to the second end of the battery device 40, the third end of the fourth control valve 84 is connected to the first end of the second pipeline L2, and the second end of the second pipeline is connected to the first end of the battery device 40.

[0101] When the fourth control valve 84 connects the first end and the second end, the electric drive module 10 is connected to the battery device 40 to form a fourth heat storage loop, and the heat exchange medium can circulate in the fourth heat storage loop. During the circulation of the heat exchange medium, the heat generated by the electric drive module 10 can be transferred to the battery device 40 to heat the battery device 40 and increase the temperature of the battery device 40.

[0102] When the fourth control valve 84 connects the second end and the third end, the battery device 40 is connected to the second pipeline L2 to form a branch of the fourth heat storage loop, and the heat exchange medium can circulate in this branch. When the heat exchange medium flows to the second pipeline L2, the heating module 50 can heat the heat exchange medium so that the heat exchange medium absorbs heat and releases heat when it flows to the battery device 40.

[0103] The above-mentioned fourth control valve 84 can be a three-way proportional valve. When connecting each port, the three-way proportional valve can also realize the flow control of different loops by controlling the opening degrees of each valve. For example, the three-way proportional valve can connect the first end and the second end and connect the second end and the third end at the same time. Then, a part of the heat exchange medium absorbs the heat generated by the electric drive module 10 and releases it to the battery device 40; another part of the heat exchange medium absorbs the heat generated by the heating module 50 and releases it to the battery device 40. According to the detected temperature of the battery device 40, the flow rates of the heat exchange medium in the fourth heat storage loop and its branch can also be controlled by controlling the three-way proportional valve. For example, when the battery device 40 needs to be quickly heated up, in order to realize the rapid heating of the battery device 40, the flow rate of the second pipeline L2 can be increased by adjusting the three-way proportional valve. At this time, the electric drive module 10 and the heating module 50 jointly provide heat for the battery device 40, so as to realize the rapid heating of the battery device 40. In an example, if the waste heat generated by the electric drive module 10 is not enough to meet the heating requirement of the battery device 40, the second pipeline L2 can also be connected to the battery device 40 by adjusting the three-way proportional valve, and the heating module 50 provides additional heat to heat the battery device 40.

[0104] Please refer to Figure 6 , according to some embodiments of the present application, the above-mentioned thermal management system may further include a fifth heat storage loop, a condensing medium, a first condensing loop, and a sixth heat storage loop.

[0105] The fifth heat storage loop may include a first pipeline L1, the electric drive module 10, and a battery cooling module 60. This fifth heat storage loop can transfer the heat of the electric drive module 10 to the battery cooling module 60 via the first pipeline L1 through the circulation of the heat exchange medium.

[0106] The first condensation circuit may include a battery cooling module 60 and a first condensation module 70. A condensation medium may circulate in the first condensation circuit, and heat exchange may be achieved through evaporation and condensation during the circulation process. For example, the condensation medium may absorb heat through evaporation at a certain position in the first condensation circuit. After evaporation, the condensation medium continues to move in the first condensation circuit in a gaseous form and releases heat through condensation at another position. Heat transfer in the first condensation circuit can be achieved by changing the state of the condensation medium.

[0107] The battery cooling module 60 is respectively located on the fifth heat storage circuit and the first condensation circuit. The heat exchange medium can transfer the heat generated by the electric drive module 10 to the battery cooling module 60 through the fifth heat storage circuit. The condensation medium can evaporate in the battery cooling module 60 to absorb the heat transferred by the heat exchange medium. After absorbing heat through evaporation, the condensation medium can continue to move on the first condensation circuit and condense at the position of the first condensation module 70 to release the absorbed heat again.

[0108] The sixth heat storage circuit may include the first condensation module 70 and the first in-vehicle heat exchange module 30. The heat exchange medium can absorb heat at the position of the first condensation module 70 through the sixth heat storage circuit and release heat at the position of the first in-vehicle heat exchange module 30 to transfer the heat to the first in-vehicle heat exchange module 30, so as to heat the in-vehicle space through the first in-vehicle heat exchange module 30.

[0109] The first condensation module 70 is respectively located on the first condensation circuit and the sixth heat storage circuit. When the condensation medium condenses and releases heat in the first condensation module 70, the heat exchange medium can absorb the heat released by the condensation medium in the first condensation module 70 and release the heat to the first in-vehicle heat exchange module 30 through circular flow in the sixth heat storage circuit.

[0110] It can be understood that in the above embodiment, a warm water pump 93 may also be arranged in series with the first condensation module 70 to drive the heat exchange medium to circulate in the sixth heat storage circuit through the warm water pump 93.

[0111] Through the fifth heat storage circuit, the first condensation circuit, and the sixth heat storage circuit, the heat generated by the electric drive module 10 can be transferred to the battery cooling module 60 through the fifth heat storage circuit, then transferred to the first condensation module 70 through the first condensation circuit, and finally transferred to the first in-vehicle heat exchange module 30 through the sixth heat storage circuit, so as to realize the heating of the in-vehicle space by the heat generated by the electric drive module 10. It can be understood that when the temperature of the electric drive module 10 is relatively low, it cannot directly transfer heat to the first in-vehicle heat exchange module 30 as a high-temperature heat source. At this time, the electric drive module 10 can transfer heat to the first in-vehicle heat exchange module 30 through the fifth heat storage circuit, the first condensation circuit, and the sixth heat storage circuit, so that the electric drive module 10 can also provide heat for the first in-vehicle heat exchange module 30 under low-temperature conditions, realizing the heating of the in-vehicle space.

[0112] According to some embodiments of the present application, the above-mentioned fifth heat storage circuit may include a fifth control valve 85 and a sixth control valve 86.

[0113] The first end of the fifth control valve 85 is connected to the first pipeline L1, the second end is connected to the electric drive module 10, and the third end is connected to the battery cooling module 60.

[0114] The first end of the sixth control valve 86 is connected to the battery cooling module 60, the second end is connected to the electric drive module 10, and the third end is connected to the first control valve 81.

[0115] In the above embodiment, as Figure 6 shown, the first end of the fifth control valve 85 is connected to the second end of the first pipeline L1, the second end of the fifth control valve 85 is connected to the second end of the electric drive module 10, and the third end of the fifth control valve 85 is connected to the first end of the battery cooling module 60. The first end of the sixth control valve 86 is connected to the second end of the battery cooling module 60, the second end of the sixth control valve 86 is connected to the second end of the electric drive module 10, and the third end of the sixth control valve 86 is connected to the first end of the first control valve 81.

[0116] When the fifth control valve 85 connects the first end and the second end, the first pipeline L1 can be directly connected to the electric drive module 10 to form a second heat storage circuit. When the fifth control valve 85 connects the first end and the third end, the first pipeline L1 is connected to the battery cooling module 60. After the heat exchange medium flows out of the first pipeline L1, it will not directly flow back to the electric drive module 10, but flow into the battery cooling module 60.

[0117] When the fifth control valve 85 connects the first end to the third end, the first pipeline L1 is connected to the battery cooling module 60. At this time, the sixth control valve 86 can connect the first end to the second end, so that the battery cooling module 60 is connected to the electric drive module 10. The heat exchange medium flowing out of the first pipeline L1 can flow back to the electric drive module 10 through the battery cooling module 60, and continue to flow into the first pipeline L1 from the electric drive module 10 through the first control valve 81, so as to realize the circulating flow of the heat exchange medium, form a circulation loop of the electric drive module 10, the first pipeline L1 and the battery cooling module 60, and make the fifth heat storage loop conduct. That is, through the mutual cooperation of the fifth control valve 85, the sixth control valve 86 and the first control valve 81, the fifth heat storage loop can be formed.

[0118] It can be understood that the first control valve 81, the second control valve 82, the third control valve 83, the fourth control valve 84, the fifth control valve 85, and the sixth control valve 86 in the above embodiments can be three-way proportional valves. By adjusting the opening degree of the three-way proportional valve, the connection relationship between the three ports of the three-way proportional valve can be adjusted to realize the switching between the conducting state and the disconnecting state of each heat storage loop, and the circulating flow rate of the heat exchange medium in each loop can also be adjusted.

[0119] Please refer to Figure 7 , according to some embodiments of the present application, the above heat management system may further include a seventh heat storage loop.

[0120] The seventh heat storage loop may include a front-end heat dissipation module 20 and a battery cooling module 60. The heat exchange medium can absorb the heat in the air through the seventh heat storage loop in the front-end heat dissipation module 20, and transfer the absorbed heat to the battery cooling module 60 through the seventh heat storage loop. At this time, the battery cooling module 60 and the front-end heat dissipation module 20 form an air source heat pump low-temperature heat source, which can absorb the heat in the air and release it to the battery cooling module 60.

[0121] After the battery cooling module 60 absorbs the heat transmitted by the heat exchange medium through the seventh heat storage loop, it can also transmit the heat to the first condensation module 70 through the first condensation loop and the sixth heat storage loop, and then to the first in-vehicle heat exchange module 30 to realize the heating of the in-vehicle space.

[0122] When the fifth heat storage loop conducts, the heat of the electric drive module 10 can be transmitted to the first in-vehicle heat exchange module 30 through the fifth heat storage loop, the first condensation loop and the sixth heat storage loop for heating. At this time, the heat source is the electric drive module 10. When the seventh heat storage loop conducts, the heat in the air can be absorbed through the seventh heat storage loop, the first condensation loop and the sixth heat storage loop and transmitted to the first in-vehicle heat exchange module 30 for heating. At this time, the heat source is the air source.

[0123] According to some embodiments of the present application, the above-mentioned seventh heat storage circuit may include a sixth control valve 86.

[0124] As Figure 7 shown, the sixth control valve 86 may conduct the first end and the third end to connect the battery cooling module 60 with the first control valve 81. The first control valve 81 may connect the battery cooling module 60 with the front-end heat dissipation module 20. When the battery cooling module 60 and the front-end heat dissipation module 20 are connected, a seventh heat storage circuit may be formed. For example, when the fifth control valve 85 connects the first end and the third end, the sixth control valve 86 connects the first end and the third end, and the first control valve 81 connects the first end and the second end, at this time, the front-end heat dissipation module 20 and the battery cooling module 60 are connected to form a seventh heat storage circuit. That is, through the mutual cooperation of the fifth control valve 85, the sixth control valve 86, and the first control valve 81, a seventh heat storage circuit can also be formed. By adjusting the valve opening degrees of the respective control valves in this circuit, the circulation flow rate of the heat exchange medium in the circuit can also be adjusted, thereby realizing the adjustment of the heat exchange efficiency.

[0125] Please refer to Figure 8 , according to some embodiments of the present application, the above-mentioned first condensation circuit may include a liquid storage module 71, a first expansion valve 72, and a compression module 73.

[0126] The liquid storage module 71 may be connected to the first condensation module 70. After the condensation medium releases heat through condensation in the first condensation module 70, it may flow into the liquid storage module 71 for storage.

[0127] The first expansion valve 72 may be connected between the liquid storage module 71 and the battery cooling module 60. The condensation medium may flow from the liquid storage module 71 into the first expansion valve 72, and the first expansion valve 72 throttles the condensation medium. The liquid condensation medium may become a misty wet steam after passing through the first expansion valve 72 and then enter the battery cooling module 60 for evaporation and heat absorption.

[0128] The compression module 73 may be connected between the battery cooling module 60 and the first condensation module 70. After the condensation medium is fully evaporated and absorbs heat in the battery cooling module 60, it turns into a gaseous state. This gaseous condensation medium may be compressed by the compression module 73 and then enter the first condensation module 70, and release heat through condensation in the first condensation module 70.

[0129] Through the liquid storage module 71, the first expansion valve 72, and the compression module 73, the condensing medium can be enabled to achieve state changes between gaseous and liquid states in the first condensation circuit, and absorb and release heat during the change process to achieve heat transfer. When heat transfer is performed through the state changes of condensation and evaporation of the condensing medium in the first condensation circuit, heat can be transferred from a low-temperature position to a high-temperature position. That is, when the temperature of the battery cooling module 60 is lower than that of the first condensation module 70, the first condensation circuit can also transfer the heat of the battery cooling module to the first condensation module 70.

[0130] As Figure 8 shown, according to some embodiments of the present application, a second expansion valve 74 may further be included in the above-mentioned first condensation circuit. The second expansion valve 74 may be connected between the liquid storage module 71 and the second in-vehicle heat exchange module 31 of the electric vehicle, and the compression module 73 may be connected between the second in-vehicle heat exchange module 31 and the first condensation module 70. When the second expansion valve 74 is opened, the condensing medium does not flow through the battery cooling module 60, but flows into the second in-vehicle heat exchange module 31 after throttling through the second expansion valve 74. After the condensing medium evaporates and absorbs heat in the second in-vehicle heat exchange module 31, the second in-vehicle heat exchange module 31 can achieve the refrigeration function of the in-vehicle space.

[0131] It can be understood that the second in-vehicle heat exchange module 31 may be the evaporator of the vehicle's air conditioning system. The first in-vehicle heat exchange module 30 and the second in-vehicle heat exchange module 31 can respectively achieve heating and refrigeration of the in-vehicle space, that is, the first in-vehicle heat exchange module 30 and the second in-vehicle heat exchange module 31 can jointly form the air conditioning system of the electric vehicle.

[0132] According to some embodiments of the present application, the present application also provides a vehicle, including the thermal management system in any of the above embodiments, and the thermal management system is used to heat the electric drive module of the vehicle. The vehicle may be any of the aforementioned electric vehicles or new energy vehicles applying the thermal management system.

[0133] It should be noted that, without conflict, the embodiments in the present application and the features in the embodiments may be combined with each other.

[0134] Finally, it should be noted that the above embodiments are only used to illustrate the technical solutions of the present application, rather than to limit them; although the present application has been described in detail with reference to the foregoing embodiments, those of ordinary skill in the art should understand that they can still modify the technical solutions described in the foregoing embodiments, or perform equivalent replacements for some of the technical features, but these modifications or replacements do not make the essence of the corresponding technical solutions deviate from the spirit and scope of the technical solutions of the embodiments of the present application.

Claims

1. A thermal management system, comprising: a first heat storage circuit including an electric drive module and a front-end heat dissipation module; a first pipeline communicating with both ends of the electric drive module for forming a second heat storage circuit with the electric drive module; a heat exchange medium for performing heat exchange in the thermal management system; the first heat storage circuit further includes: a first control valve including a first end, a second end and a third end, which are respectively connected to the electric drive module, the front-end heat dissipation module and the first pipeline; the thermal management system further includes: a fifth heat storage circuit including the first pipeline, the electric drive module and a battery cooling module for transferring heat to the battery cooling module through the heat exchange medium; the fifth heat storage circuit further includes: a fifth control valve including a first end, a second end and a third end, which are respectively connected to the first pipeline, the electric drive module and the battery cooling module; a sixth control valve including a first end, a second end and a third end, which are respectively connected to the battery cooling module, the electric drive module and the first control valve for connecting the first end and the second end; when the fifth control valve connects the first end and the third end, the sixth control valve connects the first end and the second end, and the first control valve connects the first end and the third end, the fifth control valve, the sixth control valve and the first control valve cooperate with each other to form a fifth heat storage circuit; the thermal management system further includes: a seventh heat storage circuit including the front-end heat dissipation module and the battery cooling module for absorbing air heat in the front-end heat dissipation module and transferring it to the battery cooling module through the heat exchange medium; when the fifth control valve connects the first end and the third end, the sixth control valve connects the first end and the third end, and the first control valve connects the first end and the second end, the fifth control valve, the sixth control valve and the first control valve cooperate with each other to form a seventh heat storage circuit.

2. The thermal management system according to claim 1, wherein, the first end of the first control valve is connected to the first end of the electric drive module, the second end of the first control valve is connected to the first end of the front-end heat dissipation module, the third end of the first control valve is connected to the first end of the first pipeline, and the second end of the electric drive module, the second end of the front-end heat dissipation module and the second end of the first pipeline are connected to a common node; the first control valve is a proportional valve for adjusting the conduction state and the circulation flow rate of the first heat storage circuit and / or the second heat storage circuit.

3. The thermal management system according to claim 1, wherein, the thermal management system further includes: a third heat storage circuit including the electric drive module and a first in-vehicle heat exchange module; the third heat storage circuit transfers heat to the first in-vehicle heat exchange module through the heat exchange medium.

4. The thermal management system according to claim 3, wherein, the third heat storage circuit further includes: a second control valve including a first end and a second end, which are respectively connected to the electric drive module and the first in-vehicle heat exchange module.

5. The thermal management system according to claim 4, wherein, The first end of the second control valve is connected to the first end of the electric drive module, the second end of the second control valve is connected to the first end of the first in-vehicle heat exchange module, and the second end of the first in-vehicle heat exchange module is connected to the second end of the electric drive module; The second control valve is a proportional valve for adjusting the conduction state and circulation flow rate of the third heat storage loop.

6. The thermal management system according to claim 1, wherein, The thermal management system further includes: A fourth heat storage loop, including the electric drive module and the battery device, for transferring heat to the battery device through the heat exchange medium.

7. The thermal management system according to claim 6, wherein, The fourth heat storage loop further includes: A third control valve, including a first end, a second end, and a third end, which are respectively connected to the electric drive module, the front-end heat dissipation module, and the battery device.

8. The thermal management system according to claim 7, wherein, The first end of the third control valve is connected to the second end of the electric drive module, the second end of the third control valve is connected to the second end of the front-end heat dissipation module, the third end of the third control valve is connected to the second end of the battery device, and the second end of the battery device is connected to the first end of the electric drive module; The third control valve is a proportional valve for adjusting the conduction state and circulation flow rate of the fourth heat storage loop.

9. The thermal management system according to claim 6, wherein, The fourth heat storage loop further includes: A second pipeline, including a heating module for heating the heat exchange medium, and the second pipeline is communicated with both ends of the battery device to form a heating loop with the battery device.

10. The thermal management system according to claim 9, wherein, The fourth heat storage loop further includes: A fourth control valve, including a first end, a second end, and a third end, which are respectively connected to the electric drive module, the battery device, and the second pipeline.

11. The thermal management system according to claim 10, wherein, The first end of the fourth control valve is connected to the first end of the electric drive module, the second end of the fourth control valve is connected to the second end of the battery device, the third end of the fourth control valve is connected to the first end of the second pipeline, and the second end of the second pipeline is connected to the first end of the battery device; The fourth control valve is a proportional valve for adjusting the conduction state and circulation flow rate of the heating loop.

12. The thermal management system according to claim 1, wherein, The thermal management system further includes: A condensing medium for heat exchange by alternately evaporating and condensing; A first condensing loop, including the battery cooling module and the first condensing module, for transferring heat to the first condensing module through the condensing medium; A sixth heat storage loop, including the first condensing module and the first in-vehicle heat exchange module, for transferring heat to the first in-vehicle heat exchange module through the heat exchange medium.

13. The thermal management system according to claim 1, wherein, The first end of the fifth control valve is connected to the second end of the first pipeline, the second end of the fifth control valve is connected to the second end of the electric drive module, and the third end of the fifth control valve is connected to the first end of the battery cooling module; The first end of the sixth control valve is connected to the second end of the battery cooling module, the second end of the sixth control valve is connected to the second end of the electric drive module, and the third end of the sixth control valve is connected to the first end of the first control valve; The fifth control valve and the sixth control valve are proportional valves, and are used to jointly adjust the conduction state and the circulation flow rate of the fifth heat storage loop with the first control valve.

14. The thermal management system according to claim 13, wherein, The fifth control valve and the sixth control valve are further used to jointly adjust the conduction state and the circulation flow rate of the seventh heat storage loop with the first control valve.

15. The thermal management system according to claim 12, wherein, The first condensation loop further includes: A liquid storage module, connected to the first condensation module, for storing the condensed medium condensed after passing through the first condensation module; A first expansion valve, connected between the liquid storage module and the battery cooling module, for throttling the condensed medium; A compression module, connected between the battery cooling module and the first condensation module, for compressing the evaporated condensed medium and then transmitting it to the first condensation module.

16. A vehicle, comprising the thermal management system according to any one of claims 1-15.

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