Thermal management system for vehicle and vehicle

Abstract

The utility model discloses a thermal management system for a vehicle and the vehicle. The heat management system comprises a heat exchange loop, a battery loop and a connector assembly, the battery loop comprises a battery branch, a connecting branch, a first control valve and a second control valve, the connector assembly comprises a liquid inlet connector and a liquid outlet connector, one end of the battery branch selectively communicates with the liquid inlet connector or one end of the connecting branch through the first control valve, and the other end of the battery branch selectively communicates with the liquid outlet connector through the second control valve. The other end of the battery branch is selectively communicated with the liquid outlet connector or the other end of the connecting branch through the second control valve, the connector assembly is suitable for being communicated with a station end heat management system outside the vehicle so as to meet the temperature adjusting requirement of the battery in the charging process, and the station end heat management system can replace an original charging heat management system in the vehicle; the charging heat management system is prevented from occupying the arrangement space of batteries in the vehicle, so that the power distribution quantity of the whole vehicle is increased, and the endurance mileage of the vehicle is increased.

Description

Technical Field

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

[0002] In related technologies, due to the large amount of electricity consumed by commercial vehicles, the heat generated by the batteries during charging is relatively large, and more heat needs to be removed by the battery thermal management system. However, due to the technical bottlenecks of components in the industry, the original battery thermal management system cannot meet the heat dissipation requirements during charging. Therefore, commercial vehicles need to add an additional charging thermal management system, which will occupy the vehicle's existing battery layout space, resulting in a reduction in the vehicle's power distribution and a reduction in cruising range. Utility Model Content

[0003] The utility model aims to solve at least one of the above technical problems in the prior art to a certain extent. To this end, the utility model proposes a thermal management system for a vehicle, which can avoid the charging thermal management system occupying the layout space of the vehicle battery.

[0004] The utility model also provides a vehicle having the thermal management system for the vehicle.

[0005] A thermal management system for a vehicle according to an embodiment of the utility model comprises: a heat exchange circuit, a battery circuit and a connector assembly, wherein the heat exchange circuit has a heat exchanger; the battery circuit comprises: a battery branch, a connecting branch, a first control valve and a second control valve, the battery branch is provided with a battery, and the connecting branch is thermally connected to the heat exchanger; the connector assembly is suitable for connecting to a station-end thermal management system outside the vehicle, and the connector assembly comprises a liquid inlet connector and a liquid outlet connector; wherein one end of the battery branch is selectively connected to the liquid inlet connector or one end of the connecting branch through the first control valve, and the other end of the battery branch is selectively connected to the liquid outlet connector or the other end of the connecting branch through the second control valve.

[0006] According to the thermal management system for a vehicle in an embodiment of the utility model, its connector assembly is suitable for connecting to a station-end thermal management system outside the vehicle to meet the temperature adjustment requirements of the battery during the charging process. The station-end thermal management system can replace the original charging thermal management system in the vehicle to avoid the charging thermal management system occupying the layout space of the battery in the vehicle, which is beneficial to increase the power distribution of the entire vehicle and increase the vehicle's cruising range.

[0007] According to some embodiments of the present invention, the thermal management system for a vehicle further includes a controller configured to selectively connect the battery branch with the connection branch or the connector assembly by controlling the first control valve and the second control valve.

[0008] According to some embodiments of the present invention, the connector assembly further includes a data connector, and the data connector is communicatively connected to the controller.

[0009] According to some embodiments of the present utility model, the thermal management system for a vehicle further includes an expansion kettle, and the expansion kettle is connected to the connecting branch.

[0010] According to some embodiments of the present utility model, the expansion kettle has a liquid replenishing port and an exhaust port, and both the liquid replenishing port and the exhaust port are connected to the connecting branch.

[0011] According to some embodiments of the present invention, both the first control valve and the second control valve are configured as three-way valves.

[0012] According to some embodiments of the present utility model, the thermal management system for a vehicle further includes a liquid inlet pipe and a liquid outlet pipe, the liquid inlet pipe is connected between the liquid inlet joint and the first control valve, and the liquid outlet pipe is connected between the liquid outlet joint and the second control valve.

[0013] According to some embodiments of the present utility model, a liquid pump is provided on the connecting branch.

[0014] According to some embodiments of the present invention, a compressor and a condenser assembly are provided on the heat exchange circuit.

[0015] A vehicle according to another embodiment of the present invention includes the thermal management system for the vehicle.

[0016] According to the embodiment of the utility model, the connector assembly of the thermal management system of the vehicle is suitable for connecting to the station-end thermal management system outside the vehicle to meet the temperature adjustment requirements of the battery during the charging process. The station-end thermal management system can replace the original charging thermal management system in the vehicle to avoid the charging thermal management system occupying the layout space of the battery in the vehicle, which is beneficial to increase the power distribution of the whole vehicle and increase the vehicle's cruising range.

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

[0018] Figure 1 It is a schematic diagram of a thermal management system and a cooling quick-insert gun according to an embodiment of the utility model.

[0019] Reference numerals:

[0020] Heat exchanger 1;

[0021] Heat exchange circuit 2; compressor 21; condenser assembly 22;

[0022] Battery circuit 3; battery branch 31; connecting branch 32; liquid pump 321; first control valve 33; first liquid inlet 331; second liquid inlet 332; first liquid outlet 333; second control valve 34; third liquid inlet 341; second liquid outlet 342; third liquid outlet 343;

[0023] Connector assembly 4; liquid inlet connector 41; liquid outlet connector 42;

[0024] Expansion kettle 5; liquid replenishment port 51; exhaust port 52;

[0025] Liquid inlet pipe 6;

[0026] Liquid outlet pipe 7;

[0027] Thermal management system 10;

[0028] Battery 20;

[0029] Cooling quick plug gun 30; first quick plug 301; second quick plug 302. DETAILED DESCRIPTION

[0030] The embodiments of the present invention are described in detail below, and examples of the embodiments are shown in the accompanying drawings, wherein the same or similar reference numerals throughout represent the same or similar elements or elements having the same or similar functions. The embodiments described below with reference to the accompanying drawings are exemplary and are intended to be used to explain the present invention, and should not be construed as limiting the present invention.

[0031] In the description of the present invention, it should be understood that the terms "inside", "outside", etc., indicating orientations or positional relationships, are based on the orientations or positional relationships shown in the accompanying drawings, and are only for the convenience of describing the present invention and simplifying the description, rather than indicating or implying that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore should not be understood as a limitation on the present invention.

[0032] In addition, the terms "first" and "second" are used for descriptive purposes only and should not be understood as indicating or implying relative importance or implicitly indicating the number of the indicated technical features. Therefore, the features defined as "first" and "second" may explicitly or implicitly include one or more of the features. In the description of the present utility model, the meaning of "plurality" is at least two, such as two, three, etc., unless otherwise clearly and specifically defined.

[0033] In the present invention, unless otherwise clearly specified and limited, the terms "install", "connect", "connect", "fix" and the like 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 mechanical connection, an electrical connection, or can communicate with each other; it can be a direct connection, or an indirect connection through an intermediate medium, it can be the internal connection of two elements or the interaction relationship between two elements. For ordinary technicians in this field, the specific meanings of the above terms in the present invention can be understood according to specific circumstances.

[0034] Combine the following Figure 1 A thermal management system 10 for a vehicle and a vehicle according to an embodiment of the present invention will be described in detail.

[0035] Reference Figure 1 As shown, a thermal management system 10 for a vehicle according to an embodiment of the utility model includes a heat exchange circuit 2, a battery circuit 3 and a connector assembly 4. The thermal management system 10 can be arranged on the chassis of the vehicle. The heat exchange circuit 2 has a heat exchanger 1. The battery circuit 3 includes: a battery branch 31, a connecting branch 32, a first control valve 33 and a second control valve 34. A battery 20 is provided on the battery branch 31. The connecting branch 32 is thermally connected to the heat exchanger 1, that is, the connecting branch 32 is connected to the heat exchanger 1, and the heat exchange medium in the connecting branch 32 can exchange heat with the heat exchanger 1. Specifically, the first heat exchange medium in the heat exchange circuit 2 can flow into the heat exchanger 1, and the second heat exchange medium in the connecting branch 32 can flow into the heat exchanger 1. The first heat exchange medium and the second heat exchange medium can exchange heat in the heat exchanger 1. The second heat exchange medium after heat exchange can flow into the battery branch 31 to heat or cool the battery 20 on the battery branch 31.

[0036] The connector assembly 4 is suitable for connecting to the station-end thermal management system outside the vehicle. The connector assembly 4 includes a liquid inlet connector 41 and a liquid outlet connector 42. The station-end thermal management system may have a cooling quick plug gun 30. The cooling quick plug 30 is detachably connected to the connector assembly 4. The cooling quick plug 30 has a first quick plug 301 and a second quick plug 302. When the connector assembly 4 is connected to the cooling quick plug gun 30, the first quick plug 301 is connected to the liquid outlet connector 42, and the second quick plug 302 is connected to the liquid inlet connector 41. The station-end thermal management system can provide the connector assembly 4 with a third heat exchange medium for heat exchange with the battery 20 through the cooling quick plug gun 30. Among them, the station-end thermal management system can be set at the charging station.

[0037] Among them, one end of the battery branch 31 is selectively connected to the liquid inlet connector 41 or one end of the connecting branch 32 through the first control valve 33, and the other end of the battery branch 31 is selectively connected to the liquid outlet connector 42 or the other end of the connecting branch 32 through the second control valve 34 to realize the switching of the working mode of the thermal management system 10. The thermal management system 10 can have a non-charging mode and a charging mode.

[0038] In non-charging mode, the connector assembly 4 is separated from the cooling quick-plug gun 30, one end of the battery branch 31 is connected to one end of the connecting branch 32 through the first control valve 33, and the other end of the battery branch 31 is connected to the other end of the connecting branch 32 through the second control valve 34. The battery branch 31 is connected to the connecting branch 32 to form a loop, and the second heat exchange medium in the connecting branch 32 can first flow into the heat exchanger 1, and can be heated or cooled in the heat exchanger 1 by the first heat exchange medium flowing into the heat exchanger 1 by the heat exchange loop 2. The heated or cooled second heat exchange medium can flow to the battery branch 31 to heat or cool the battery 20 on the battery branch 31, thereby realizing temperature control of the battery 20 during discharge.

[0039] In the charging mode, the connector assembly 4 is connected to the cooling quick-plug gun 30 of the station-end thermal management system, one end of the battery branch 31 is connected to the liquid inlet connector 41 through the first control valve 33, and the other end of the battery branch 31 is connected to the liquid outlet connector 42 through the second control valve 34. The battery branch 31 is connected to the station-end thermal management system, and the connecting branch 32 is not connected to the battery branch 31, and the connecting branch 32 is also not connected to the station-end thermal management system. The third heat exchange medium in the station-end thermal management system can enter the battery branch 31 through the second quick plug 302, the liquid inlet connector 41 and the first control valve 33 in sequence to heat or cool the battery 20 on the battery branch 31 to meet the heating or cooling requirements of the battery 20 during the charging process. Subsequently, the third heat exchange medium can flow back to the station-end thermal management system through the second control valve 34, the liquid outlet connector 42 and the first quick plug 301 in sequence, thereby realizing temperature control of the battery 20 during charging.

[0040] Therefore, the temperature of the battery 20 during the charging process can be controlled by the station-end thermal management system, and the station-end thermal management system can be set at the charging station outside the vehicle. That is to say, there is no need to set up a charging thermal management system in the vehicle for adjusting the temperature of the battery 20 when charging. The charging thermal management system on the vehicle can be replaced by the station-end thermal management system of the charging station, thereby avoiding the charging thermal management system occupying the layout space of the existing battery 20 of the vehicle, so as to increase the power distribution of the whole vehicle and increase the vehicle's cruising range. At the same time, when the battery 20 is overcharged (for example, the charging power is greater than or equal to 100KW), the heat generated by the battery 20 is much greater than the heat generated by the battery 20 when discharging. The station-end thermal management system of the charging station can regulate the temperature of the battery 20, and the thermal management system 10 of the vehicle does not need to meet the temperature adjustment requirements of the battery 20 for overcharging, thereby reducing the selection specifications and temperature adjustment pressure of components in the thermal management system 10, which is beneficial to saving the cost of a single vehicle. In addition, when the medium pressure of the station-end thermal management system is inconsistent with the medium pressure of the vehicle's thermal management system 10, the station-end thermal management system is not connected to the connecting branch 32, and the first control valve 33 and the second control valve 34 can prevent the third heat exchange medium in the station-end thermal management system from flowing into the connecting branch 32, thereby preventing the medium pressure of the station-end thermal management system from affecting the medium pressure of the connecting branch 32 and avoiding damage to components on the connecting branch 32.

[0041] According to the thermal management system 10 for a vehicle in an embodiment of the utility model, its connector assembly 4 is suitable for connecting to a station-end thermal management system outside the vehicle to meet the temperature adjustment requirements of the battery 20 during the charging process. The station-end thermal management system can replace the original charging thermal management system in the vehicle to avoid the station charging thermal management system occupying the layout space of the battery 20 in the vehicle, which is beneficial to increase the power distribution of the entire vehicle and increase the vehicle's cruising range.

[0042] In some embodiments of the present invention, the thermal management system 10 for a vehicle further includes a controller, which is configured to selectively connect the battery branch 31 to the connecting branch 32 or the connector assembly 4 by controlling the first control valve 33 and the second control valve 34. That is, the controller can realize at least two operating modes of the thermal management system 10, namely, a non-charging mode and a charging mode, by controlling the first control valve 33 and the second control valve 34.

[0043] Among them, in the non-charging mode: the controller controls the first control valve 33 and the second control valve 34 to connect the battery branch 31 with the connecting branch 32, that is, one end of the battery branch 31 is connected to one end of the connecting branch 32 through the first control valve 33, and the other end of the battery branch 31 is connected to the other end of the connecting branch 32 through the second control valve 34, and the battery branch 31 is connected to the connecting branch 32 to form a loop.

[0044] In charging mode: the controller controls the first control valve 33 and the second control valve 34 to connect the battery branch 31 with the connector assembly 4, that is, one end of the battery branch 31 is connected with the liquid inlet connector 41 through the first control valve 33, and the other end of the battery branch 31 is connected with the liquid outlet connector 42 through the second control valve 34, so that the battery branch 31 is connected with the station-end thermal management system through the connector assembly 4.

[0045] In some embodiments of the present invention, the connector assembly 4 also includes a data connector, which is communicatively connected to the controller. The data connector can detect the voltage signal of the cooling quick-plug gun 30 and send the voltage signal to the controller. After the controller receives the voltage signal, the controller can control the first control valve 33 and the second control valve 34 to connect the battery branch 31 with the connector assembly 4, thereby realizing the charging mode of the thermal management system 10.

[0046] Specifically, when the first quick plug 301 is connected to the liquid outlet connector 42 and the second quick plug 302 is connected to the liquid inlet connector 41 (i.e., the cooling quick plug gun 30 is connected to the connector assembly 4), the data connector can detect the voltage signal of the connection between the connector assembly 4 and the cooling quick plug gun 30, and send the voltage signal to the controller. After the controller receives the voltage signal, the controller controls the first control valve 33 and the second control valve 34 to connect the battery branch 31 with the connector assembly 4, so as to switch the working mode of the thermal management system 10 to the charging mode.

[0047] When the first quick plug 301 is disconnected from the liquid outlet connector 42, and the second quick plug 302 is disconnected from the liquid inlet connector 41 (i.e., the cooling quick plug gun 30 is disconnected from the connector assembly 4), the data connector does not detect the voltage signal of the connection between the connector assembly 4 and the cooling quick plug gun 30, and the controller does not receive the voltage signal of the data connector. The controller controls the first control valve 33 and the second control valve 34 to connect the battery branch 31 with the connection branch 32, so as to switch the working mode of the thermal management system 10 to the non-charging mode.

[0048] In some embodiments of the present invention, referring to Figure 1 As shown, the thermal management system 10 for a vehicle further includes an expansion kettle 5, which is connected to the connecting branch 32. The expansion kettle 5 is suitable for storing a second heat exchange medium. When the heat exchange circuit 2 adjusts the temperature of the battery 20 on the battery circuit 3 through the heat exchanger 1, the expansion kettle 5 can replenish the second heat exchange medium to the connecting branch 32 to ensure that there is sufficient second heat exchange medium in the battery circuit 3, which is beneficial to improve the heat exchange effect of the thermal management system 10 on the battery 20.

[0049] In some embodiments of the present invention, referring to Figure 1As shown, the expansion kettle 5 has a liquid replenishing port 51 and an exhaust port 52, both of which are connected to the connecting branch 32. The expansion kettle 5 can replenish the second heat exchange medium into the connecting branch 32 through the liquid replenishing port 51, and the exhaust port 52 is suitable for discharging the gas in the connecting branch 32, which is beneficial to ensure the smooth flow of the second heat exchange medium in the battery circuit 3.

[0050] In addition, when the medium pressure of the station-end thermal management system is inconsistent with the medium pressure of the vehicle's thermal management system 10, when the station-end thermal management system adjusts the temperature of the battery 20 on the battery branch 31, the medium pressure of the station-end thermal management system does not affect the medium pressure of the connecting branch 32. Since the replenishing port 51 and the exhaust port 52 of the expansion kettle 5 are both connected to the connecting branch 32, the high-pressure third heat exchange medium in the station-end thermal management system can be prevented from entering the expansion kettle 5 through the connecting branch 32, preventing the pressure in the expansion kettle 5 from increasing, and preventing the second heat exchange medium in the expansion kettle 5 from flowing out from the overflow pipe of the expansion kettle 5, so as to avoid the loss of the second heat exchange medium in the thermal management system 10.

[0051] In some embodiments of the present invention, the first control valve 33 and the second control valve 34 are both configured as three-way valves, so that the controller can control the first control valve 33 and the second control valve 34 to switch the working mode of the thermal management system 10. The three-way valve may be an electronic three-way valve.

[0052] Reference Figure 1 As shown, the first control valve 33 has a first liquid inlet 331, a second liquid inlet 332 and a first liquid outlet 333, and the second control valve 34 has a third liquid inlet 341, a second liquid outlet 342 and a third liquid outlet 343, wherein the first liquid inlet 331 is connected to one end of the connecting branch 32, the second liquid inlet 332 is connected to the liquid inlet connector 41 of the connector assembly 4, the first liquid outlet 333 is connected to one end of the battery branch 31, the third liquid inlet 341 is connected to the other end of the battery branch 31, the second liquid outlet 342 is connected to the other end of the connecting branch 32, and the third liquid outlet 343 is connected to the liquid outlet connector 42 of the connector assembly 4.

[0053] When the thermal management system 10 is in non-charging mode, the controller controls the first control valve 33 and the second control valve 34 to connect the battery branch 31 with the connecting branch 32. At this time, the first liquid inlet 331 is connected to the first liquid outlet 333, the third liquid inlet 341 and the second liquid outlet 342 are connected, the first liquid inlet 331 and the first liquid outlet 333 are not connected to the second liquid inlet 332, the third liquid inlet 341 and the second liquid outlet 342 are not connected to the third liquid outlet 343, the second heat exchange medium in the connecting branch 32 can flow into the battery branch 31 through the first liquid inlet 331 and the first liquid outlet 333, and the second heat exchange medium can flow back into the connecting branch 32 through the third liquid inlet 341 and the second liquid outlet 342 after heating or cooling the battery 20 on the battery branch 31.

[0054] When the thermal management system 10 is in charging mode, the controller controls the first control valve 33 and the second control valve 34 to connect the battery branch 31 with the connector assembly 4. At this time, the second liquid inlet 332 is connected to the first liquid outlet 333, the third liquid inlet 341 is connected to the third liquid outlet 343, the second liquid inlet 332 and the first liquid outlet 333 are not connected to the first liquid inlet 331, and the third liquid inlet 341 and the third liquid outlet 343 are not connected to the second liquid outlet 342, so as to avoid the station-end thermal management The third heat exchange medium in the system flows into the connecting branch 32. The third heat exchange medium of the station-end thermal management system can enter the battery branch 31 through the second quick plug 302, the liquid inlet joint 41, the second liquid inlet 332 and the first liquid outlet 333 in sequence. After the third heat exchange medium heats or cools the battery 20 on the battery branch 31, the third heat exchange medium can flow back to the station-end thermal management system through the third liquid inlet 341, the third liquid outlet 343, the liquid outlet joint 42 and the first quick plug 301 in sequence.

[0055] In other embodiments of the present invention (not shown in the figure), the first control valve 33 may include a first stop valve and a second stop valve, and the second control valve 34 may include a third stop valve and a fourth stop valve. The inlet of the first stop valve is connected to one end of the connecting branch 32, the inlet of the second stop valve is connected to the liquid inlet joint 41, the outlet of the first stop valve and the outlet of the second stop valve are both connected to one end of the battery branch 31, the inlet of the third stop valve and the inlet of the fourth stop valve are both connected to the other end of the battery branch 31, the outlet of the third stop valve is connected to the other end of the connecting branch 32, and the outlet of the fourth stop valve is connected to the liquid outlet joint 42. When the thermal management system 10 is in the non-charging mode, the inlet and outlet of the first stop valve are connected, the inlet and outlet of the third stop valve are connected, the inlet and outlet of the second stop valve are not connected, and the inlet and outlet of the fourth stop valve are not connected. When the thermal management system 10 is in the charging mode, the inlet and outlet of the second stop valve are connected, the inlet and outlet of the fourth stop valve are connected, the inlet and outlet of the first stop valve are not connected, and the inlet and outlet of the third stop valve are not connected.

[0056] In some embodiments of the present invention, referring to Figure 1 As shown, the thermal management system 10 for a vehicle further includes a liquid inlet pipe 6 and a liquid outlet pipe 7. The liquid inlet pipe 6 is connected between the liquid inlet connector 41 and the first control valve 33, and the liquid outlet pipe 7 is connected between the liquid outlet connector 42 and the second control valve 34 to facilitate the arrangement of the position of the connector assembly 4. The lengths of the liquid inlet pipe 6 and the liquid outlet pipe 7 can be changed according to the position of the connector assembly 4, and the connector assembly 4 can be arranged on the vehicle at a position convenient for the cooling quick-connect gun 30 to be plugged in, for example, the connector assembly 4 can be arranged on the fender of the vehicle.

[0057] Reference Figure 1 As shown, when the thermal management system 10 is in the charging mode, the third heat exchange medium in the station-end thermal management system can flow into the battery branch 31 through the first quick plug 301, the liquid inlet joint 41, the liquid inlet pipe 6 and the first control valve 33 in sequence, and the third heat exchange medium can cool or heat the battery 20 on the battery branch 31. Then, the third heat exchange medium can flow back to the station-end thermal management system through the second control valve 34, the liquid outlet pipe 7, the liquid outlet joint 42 and the first quick plug 301 in sequence. The station-end thermal management system can adjust the temperature of the battery 20 by controlling the temperature and flow rate of the third heat exchange medium, wherein the liquid inlet pipe 6, the liquid outlet pipe 7, the battery branch 31, the first control valve 33 and the second control valve 34 can form a charging temperature control loop located in the vehicle, and the station-end thermal management system can provide the third heat exchange medium to the charging temperature control loop to adjust the temperature of the battery 20.

[0058] In some embodiments of the present invention, referring to Figure 1 As shown, a liquid pump 321 is provided on the connecting branch 32. When the thermal management system 10 cools the battery 20, the liquid pump 321 can provide power for the flow of the second heat exchange medium in the connecting branch 32, thereby increasing the flow rate of the second heat exchange medium in the connecting branch 32, thereby facilitating the improvement of the heating or cooling effect of the second heat exchange medium in the connecting branch 32 on the battery 20.

[0059] In some embodiments of the present invention, referring to Figure 1 As shown, a compressor 21 and a condenser assembly 22 are provided on the heat exchange circuit 2. The compressor 21 can provide power for the circulation of the first heat exchange medium in the heat exchange circuit 2. The condenser assembly 22 can heat or cool the first heat exchange medium in the heat exchange circuit 2. The heated or cooled first heat exchange medium can flow into the heat exchanger 1 to heat or cool the second heat exchange medium flowing into the heat exchanger 1 through the connecting branch 32.

[0060] In some embodiments of the utility model, the heat exchange circuit 2 includes an air-conditioning circuit and a heat exchanger 1. The air-conditioning circuit is provided with a compressor 21 and a condenser assembly 22. The air-conditioning circuit and the heat exchanger 1 are thermally connected. The air-conditioning circuit can be used to adjust the temperature of the vehicle passenger compartment. The air-conditioning circuit can also adjust the temperature of the first heat exchange medium flowing into the heat exchanger 1.

[0061] In some embodiments of the utility model, the thermal management system 10 for the vehicle also includes a battery management system (BMS), the controller may be a thermal management controller (TMC), the battery management system may detect the temperature of the battery 20 (cell temperature) in real time, the controller is communicatively connected to the battery management system, the controller is also communicatively connected to the compressor 21 and the condenser assembly 22, and the battery management system is also communicatively connected to the station-end thermal management system via a data connector.

[0062] When the thermal management system 10 is in non-charging mode, the controller controls the first control valve 33 and the second control valve 34 to connect the battery branch 31 with the connector assembly 4. When the vehicle is in driving or other power-using conditions, the temperature of the battery 20 will rise. When the battery management system detects that the temperature of the battery 20 exceeds 32°C, the battery management system can send a battery 20 cooling request signal to the controller. After receiving the cooling request signal, the controller starts the compressor 21 and the condenser assembly 22 in the heat exchange loop 2 to cool the first heat exchange medium flowing from the heat exchange loop 2 to the heat exchanger 1. The controller controls the liquid pump 321 on the connecting branch 32 to start working, and the second liquid pump 321 in the connecting branch 32 starts working. The heat exchange medium can first be cooled by the first heat exchange medium in the heat exchange circuit 2 in the heat exchanger 1, and the cooled second heat exchange medium can enter the battery branch 31 through the first control valve 33 to cool the battery 20 on the battery branch 31. Then the second heat exchange medium can flow back to the connecting branch 32 through the second control valve 34 and be cooled again in the heat exchanger 1. The above cycle process is repeated continuously until the battery management system detects that the temperature of the battery 20 drops to 26°C. The battery management system can send a stop cooling request signal to the controller. After the controller receives the stop cooling request signal, the controller controls the compressor 21, the condenser assembly 22 and the liquid pump 321 to stop working.

[0063] When the thermal management system 10 is in charging mode, the cooling quick-plug gun 30 is connected to the connector assembly 4. The data connector can detect the voltage signal of the successful connection between the connector assembly 4 and the cooling quick-plug gun 30, and send the voltage signal to the controller. After the controller receives the voltage signal, the controller controls the first control valve 33 and the second control valve 34 to connect the battery branch 31 with the connector assembly 4. When the battery management system detects that the temperature of the battery 20 exceeds 28°C, the battery management system can send a cooling request signal to the station-end thermal management system. After the station-end thermal management system receives the cooling request signal, the water pump in the station-end thermal management system starts working to provide power for the flow of the third heat exchange medium in the station-end thermal management system. The station-end thermal management system The system can first cool the third heat exchange medium. The cooled third heat exchange medium can enter the battery branch 31 through the second quick plug 302, the liquid joint 41, the liquid inlet pipe 6 and the first control valve 33 in sequence to cool the battery 20. After the third heat exchange medium absorbs the heat of the battery 20 and heats up, it can flow back to the station-end thermal management system through the second control valve 34, the liquid outlet pipe 7 and the liquid outlet joint 42 in sequence, and is cooled again in the station-end thermal management system. The above cycle process is repeated continuously until the battery management system detects that the temperature of the battery 20 drops to 18°C. The battery management system can send a stop cooling request signal to the station-end thermal management system, and the station-end thermal management system stops working after receiving the stop cooling request signal. After the battery 20 is charged, the cooling quick plug gun 30 is disconnected from the connector assembly 4, the data connector does not detect the voltage signal of the successful connection between the connector assembly 4 and the cooling quick plug gun 30, and the controller does not receive the voltage signal of the data connector. The controller controls the first control valve 33 and the second control valve 34 to switch the working mode of the thermal management system 10 to the non-charging mode.

[0064] When the thermal management system 10 is in charging mode, when the battery management system detects that the temperature of the battery 20 is lower than 15°C, the battery management system may send a heating request signal to the station-end thermal management system. After the station-end thermal management system receives the heating request signal, the water pump in the station-end thermal management system starts working to provide power for the flow of the third heat exchange medium in the station-end thermal management system. The station-end thermal management system may first heat the third heat exchange medium. The heated third heat exchange medium may enter the battery branch 31 through the second quick plug 302, the liquid inlet joint 41, the liquid inlet pipe 6 and the first control valve 33 in sequence to heat the battery 20. After the third heat exchange medium is absorbed by the battery 20 and cooled, it may flow back to the station-end thermal management system through the second control valve 34, the liquid outlet pipe 7 and the liquid outlet joint 42 in sequence, and be heated again in the station-end thermal management system. The above cycle is repeated continuously until the battery management system detects that the temperature of the battery 20 rises to 25°C. The battery management system may send a stop heating request signal to the station-end thermal management system. The station-end thermal management system stops working after receiving the stop heating request signal.

[0065] In some embodiments of the present invention, the second heat exchange medium is the same as the third heat exchange medium. The thermal management system 10 can also replace the second heat exchange medium in the battery circuit 3 at the charging station. Figure 1 As shown, when the second heat exchange medium in the battery circuit 3 needs to be replaced, the liquid outlet joint 42 is connected to the first quick plug 301 of the cooling quick plug gun 30, and the liquid inlet joint 43 is connected to the second quick plug 302 of the cooling quick plug gun 30. The controller can control the first control valve 33 to connect one end of the battery branch 31 with one end of the connecting branch 32, and the battery branch 31 and the connecting branch 32 are not connected to the liquid inlet joint 41. The controller can control the second control valve 34 to connect the other end of the battery branch 31 with the liquid outlet joint 42, and the battery branch 31 and the liquid outlet joint 42 are not connected to the other end of the connecting branch 32. The second heat exchange medium in the connecting branch 32 can flow into the station-end thermal management system through the first control valve 33, the second control valve 34, the liquid outlet joint 42 and the first quick plug 301 in sequence, and the second heat exchange medium in the expansion kettle 5 can flow through the liquid replenishing port 51, the first control valve 33, the second control valve 34, the liquid outlet joint 42 and the first quick plug 301 in sequence. After flowing into the station-end thermal management system, the second heat exchange medium can be discharged from the discharge port of the station-end thermal management system. After the second heat exchange medium in the connecting branch 32 and the expansion kettle 5 is discharged through the discharge port of the station-end thermal management system, the controller can control the first control valve 33 to connect one end of the battery branch 31 with the liquid inlet joint 41, and the battery branch 31 and the liquid inlet joint 41 are not connected with the connecting branch 32. The controller can control the second control valve 34 to connect the other end of the battery branch 31 with the connecting branch 32, and the battery branch 31 and the connecting branch 32 are not connected with the liquid outlet joint 42. The station-end thermal management system can replenish the new second heat exchange medium into the connecting branch 32 through the second quick plug 302, the liquid inlet joint 41, the first control valve 33, and the second control valve 34 in sequence. The second heat exchange medium can enter the expansion kettle 5 through the liquid replenishing port 51 in the connecting branch 32 for storage, so that the second heat exchange medium in the connecting branch 32 can be replaced through the above process.

[0066] A vehicle according to another embodiment of the present invention includes the thermal management system 10 for the vehicle according to the above embodiment.

[0067] According to the vehicle of the embodiment of the utility model, the connector assembly 4 of the thermal management system 10 is suitable for connecting to the station-end thermal management system outside the vehicle to meet the temperature adjustment requirements of the battery 20 during the charging process. The station-end thermal management system can replace the original charging thermal management system in the vehicle to avoid the charging thermal management system occupying the layout space of the battery 20 in the vehicle, which is beneficial to increase the power distribution of the whole vehicle and increase the vehicle's cruising range.

[0068] In some embodiments of the present invention, the vehicle may be a passenger car or a commercial vehicle.

[0069] According to the vehicle of the embodiment of the utility model, the charging thermal management system is removed from the chassis system of the vehicle, and a station-end thermal management system of a movable charging station (the cooling quick-plug gun 30 is movable) is added, which saves the layout space of the battery 20 and reduces the layout difficulty of the whole vehicle. The battery 20 can be distributed and symmetrically arranged on the left, middle and right sides of the chassis relying on the frame to meet the development of large-capacity vehicle models. At the same time, the selection specifications of the components of the vehicle's thermal management system 10 are reduced, which is beneficial to saving the cost of a single vehicle. The station-end thermal management system platform problem can be achieved under different power platforms of different models. The first control valve 33 and the second control valve 34 are strategically controlled to switch the working mode of the thermal management system 10 to avoid the loss of heat exchange medium in the vehicle's thermal management system 10.

[0070] In the description of this specification, the description with reference to the terms "one embodiment", "some embodiments", "example", "specific example" or "some examples" etc. means that the specific features, structures, materials or characteristics described in conjunction with the embodiment or example are included in at least one embodiment or example of the utility model. In this specification, the schematic representations of the above terms do not necessarily refer to the same embodiment or example. Moreover, the specific features, structures, materials or characteristics described may be combined in any one or more embodiments or examples in a suitable manner. In addition, those skilled in the art may combine and combine different embodiments or examples described in this specification.

[0071] Although the embodiments of the present invention have been shown and described above, it can be understood that the above embodiments are exemplary and cannot be understood as limitations of the present invention. Ordinary technicians in the field can change, modify, replace and modify the above embodiments within the scope of the present invention.

Claims

1. A thermal management system for a vehicle, characterized in that: include: A heat exchange circuit (2), wherein the heat exchange circuit (2) comprises a heat exchanger (1); A battery circuit (3), the battery circuit (3) comprising: a battery branch (31), a connecting branch (32), a first control valve (33) and a second control valve (34), the battery branch (31) being provided with a battery (20), the connecting branch (32) being thermally connected to the heat exchanger (1); A connector assembly (4), the connector assembly (4) being adapted to be connected to a station-end thermal management system outside the vehicle, the connector assembly (4) comprising a liquid inlet connector (41) and a liquid outlet connector (42); One end of the battery branch (31) is selectively connected to the liquid inlet connector (41) or one end of the connecting branch (32) through the first control valve (33), and the other end of the battery branch (31) is selectively connected to the liquid outlet connector (42) or the other end of the connecting branch (32) through the second control valve (34).

2. The thermal management system for a vehicle according to claim 1, characterized in that: The invention also includes a controller, which is configured to control the first control valve (33) and the second control valve (34) so ​​that the battery branch (31) is selectively connected to the connection branch (32) or the joint assembly (4).

3. The thermal management system for a vehicle according to claim 2, characterized in that: The connector assembly (4) further comprises a data connector, and the data connector is communicatively connected to the controller.

4. The thermal management system for a vehicle according to any one of claims 1 to 3, characterized in that: It also comprises an expansion kettle (5), wherein the expansion kettle (5) is in communication with the connecting branch (32).

5. The thermal management system for a vehicle according to claim 4, characterized in that: The expansion kettle (5) has a liquid replenishing port (51) and an exhaust port (52), and both the liquid replenishing port (51) and the exhaust port (52) are in communication with the connecting branch (32).

6. The thermal management system for a vehicle according to claim 1, characterized in that: The first control valve (33) and the second control valve (34) are both configured as three-way valves.

7. The thermal management system for a vehicle according to claim 1, characterized in that: It also includes a liquid inlet pipe (6) and a liquid outlet pipe (7), wherein the liquid inlet pipe (6) is connected between the liquid inlet joint (41) and the first control valve (33), and the liquid outlet pipe (7) is connected between the liquid outlet joint (42) and the second control valve (34).

8. The thermal management system for a vehicle according to claim 1, characterized in that: The connecting branch (32) is provided with a liquid pump (321).

9. The thermal management system for a vehicle according to claim 1, characterized in that: The heat exchange circuit (2) is provided with a compressor (21) and a condenser assembly (22).

10. A vehicle, characterized in that: The invention comprises a thermal management system (10) for a vehicle according to any one of claims 1 to 9.

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