CN117818279A

CN117818279A - Integrated module, thermal management system with integrated module and vehicle

Info

Publication number: CN117818279A
Application number: CN202211204258.4A
Authority: CN
Inventors: 罗忠良; 李玉忠; 叶梅娇; 许敏; 涂娟
Original assignee: BYD Co Ltd
Current assignee: BYD Co Ltd
Priority date: 2022-09-29
Filing date: 2022-09-29
Publication date: 2024-04-05

Abstract

The invention discloses an integrated module, a thermal management system with the integrated module and a vehicle, wherein the integrated module is used for the thermal management system of the vehicle and comprises: the heat exchanger is fixed to the first valve seat and/or the second valve seat, the heat exchanger is provided with a first heat exchange flow path and a second heat exchange flow path which exchange heat mutually, two ends of the first heat exchange flow path are respectively connected with a first heat exchanger interface and a second heat exchanger interface of the first valve seat, two ends of the second heat exchange flow path are respectively connected with a third heat exchanger interface and a fourth heat exchanger interface of the second valve seat, and the openings of the first water side interface, the second water side interface and the plurality of external device interfaces of the first valve seat face the same. The integrated module designed according to the invention has compact structure and higher integration level.

Description

Integrated module, thermal management system with integrated module and vehicle

Technical Field

The invention relates to the field of vehicles, in particular to an integrated module, a thermal management system with the integrated module and a vehicle.

Background

In the related art, the valve control components in the conventional vehicle thermal management system have poor structural arrangement flexibility and low arrangement concentration, and the whole vehicle assembly is difficult because of more parts integrated by the valve control components.

Disclosure of Invention

The present invention aims to solve at least one of the technical problems existing in the prior art. To this end, an object of the invention is to propose an integrated module. The integrated module designed according to the invention has compact structure and higher integration level.

The invention also provides a thermal management system with the integrated module.

The invention also provides a vehicle with the thermal management system.

An integrated module according to the present invention is for a thermal management system of a vehicle, comprising: the first valve seat is internally provided with a plurality of refrigerant flow paths, the first valve seat is provided with a first heat exchanger interface, a second heat exchanger interface, a plurality of external device interfaces, a control valve bank and a throttle valve bank, the first heat exchanger interface, the second heat exchanger interface and the external device interfaces are respectively connected with the corresponding refrigerant flow paths, each external device interface is suitable for being connected with a component in a thermal management system of a vehicle, the control valve bank is used for communicating different refrigerant flow paths to form different refrigerant loops, and the throttle valve bank is used for throttling and depressurizing a refrigerant in the refrigerant loops flowing through the control valve bank; the second valve seat is fixed to the first valve seat, an internal liquid cooling flow path is arranged in the second valve seat, the second valve seat is provided with a third heat exchanger interface, a fourth heat exchanger interface and a first water side interface, the third heat exchanger interface, the fourth heat exchanger interface and the first water side interface are respectively connected with the corresponding internal liquid cooling flow paths, and the first water side interface is suitable for being connected with an external motor electric control radiator; the heat exchanger is fixed to the first valve seat and/or the second valve seat, the heat exchanger is provided with a first heat exchange flow path and a second heat exchange flow path which exchange heat mutually, two ends of the first heat exchange flow path are respectively connected with the first interface of the heat exchanger and the second interface of the heat exchanger, two ends of the second heat exchange flow path are respectively connected with the third interface of the heat exchanger and the fourth interface of the heat exchanger, and the openings of the first water side interface and the interfaces of the external devices face the same.

According to the integrated module, the first valve seat and the second valve seat which are connected with each other are arranged to divide each structure on the integrated module into the refrigerant side and the liquid cooling side, and the integrated module integrates the refrigerant side integrated module and the liquid cooling side integrated module, so that the heat management system is compact in structure and higher in integration level, is beneficial to the platform design of the whole vehicle, and meanwhile, the refrigerant side integrated module and the liquid cooling side integrated module exchange heat through the heat exchanger and are arranged on the refrigerant side and/or the liquid cooling side, so that the overall layout space of the integrated module can be reduced, and the integrated arrangement and control of the whole vehicle are facilitated.

According to some embodiments of the invention, the heat exchanger is fixed to the first valve seat, and a part of the external device interface is arranged on the left side and the right side of the heat exchanger.

According to some embodiments of the invention, the control valve group comprises a plurality of control valves, and a part of the control valves are arranged on the left side and the right side of the heat exchanger.

According to some embodiments of the invention, the external device interface comprises a gas-liquid separation inlet interface; the integrated module further includes a gas-liquid separator secured to the first valve seat, an inlet end of the gas-liquid separator being connected to the gas-liquid separation inlet interface.

According to some embodiments of the invention, the gas-liquid separator and the second valve seat are located on the same side of the first valve seat.

According to some embodiments of the invention, the external device interface comprises at least one group of heat exchange plate interfaces, each group of heat exchange plate interfaces is connected with two ends of the same heat exchange plate, and the heat exchange plates are used for adjusting the temperature of the battery module.

According to some embodiments of the invention, the integrated module further comprises: and the switching valve is arranged on the second valve seat and acts to enable the cooling liquid to flow to the second heat exchange flow path or prevent the cooling liquid from flowing to the second heat exchange flow path.

According to some embodiments of the invention, the second valve seat is provided with a water pump interface connected to the internal liquid cooling flow path, and the integrated module further comprises a water pump secured to the second valve seat and connected to the water pump interface.

According to some embodiments of the invention, the second valve seat further comprises a second water side port connected to the internal liquid cooling flow path, the second water side port adapted to be connected to an external first radiator, the second water side port and the plurality of external device ports opening out in the same direction.

According to some embodiments of the invention, the switching valve is a four-way valve, and the internal liquid cooling flow path includes: the first flow passage is connected with the water pump interface and the third interface of the heat exchanger; the second flow passage is respectively connected with the first flow passage and the first valve port of the switching valve; the third flow passage is respectively connected with the fourth interface of the heat exchanger and the second valve port of the switching valve; the fourth flow passage is respectively connected with the third valve port of the switching valve and the first water side interface; and the fifth flow passage is respectively connected with the fourth valve port of the switching valve and the second water side interface.

According to some embodiments of the invention, a portion of the valve seat of the switching valve extends beyond the first valve seat to form an extension, the first water side port and the second water side port being located at the extension.

According to some embodiments of the invention, the second valve seat is provided with a tank port connected to the internal liquid cooling flow path, and the integrated module further comprises a water replenishment tank fixed to the second valve seat and connected to the tank port.

According to some embodiments of the invention, the water replenishment tank is located above the switching valve and the water pump.

According to some embodiments of the invention, the first valve seat is provided with a control valve group and a throttle valve group, the control valve group is used for communicating different refrigerant flow paths to form different refrigerant loops, the throttle valve group is used for throttling and depressurizing the refrigerant in the refrigerant loops flowing through the control valve group, the control valve group is provided with a first electric connection port, the throttle valve group is provided with a second electric connection port, and the openings of the first electric connection port and the second electric connection port face the same.

According to some embodiments of the invention, the opening of the first electrical connection port is oriented in the same direction as the thickness of the first valve seat.

A thermal management system according to another embodiment of the present invention is briefly described below.

The heat management system according to the present invention includes the integrated module according to any one of the above embodiments, and is compact and highly integrated because the heat management system according to the present invention is provided with the integrated module according to the above embodiment.

A vehicle according to another embodiment of the present invention is briefly described below.

The vehicle according to the invention comprises the thermal management system according to any one of the embodiments, and since the vehicle according to the invention is provided with the thermal management system according to the embodiment, the vehicle is compact in internal structure, and the arrangement of the structures in the vehicle is more flexible and the layout of the lines is more attractive.

In summary, the integrated module integrates the structures of the heat exchanger, the gas-liquid separator, the control valve group, the throttle valve group, the water pump, the water supplementing tank, the switching valve and the like into a whole through designing the first valve seat and the second valve seat which are connected with each other, so that the integrated module has higher integration level, simplifies the pipeline connection in the thermal management system through the first valve seat and the second valve seat with the internal flow passage and the inlet and outlet ports, reduces the overall layout space of the thermal management system, and is convenient for the integrated arrangement and control of the whole vehicle; the first valve seat and the second valve seat which are connected with each other distribute the refrigerant side integrated module and the liquid cooling side integrated module on two sides, and the interface of the refrigerant side and the interface of the liquid cooling side are arranged on the same side, so that the whole vehicle pipeline arrangement is convenient, and the whole vehicle arrangement is more reasonable and attractive; the structure arranged on the integrated module is connected with the integrated module through the screw fixing or the pipeline, the connection mode is simple and reliable, the processing is easier, and the maintenance cost is lower.

Additional aspects and advantages of the invention will be set forth in part in the description which follows, and in part will be obvious from the description, or may be learned by practice of the invention.

Drawings

The foregoing and/or additional aspects and advantages of the invention will become apparent and may be better understood from the following description of embodiments taken in conjunction with the accompanying drawings in which:

fig. 1 is an overall block diagram of an integrated module according to an embodiment of the present invention.

Fig. 2 is a block diagram of a liquid-cooled side integrated module according to an embodiment of the present invention.

Fig. 3 is a block diagram of a liquid-cooled side integrated module according to an embodiment of the present invention.

Fig. 4 is a structural diagram of a refrigerant side integrated module according to an embodiment of the present invention.

Fig. 5 is a structural view of a refrigerant side integrated module according to an embodiment of the present invention.

FIG. 6 is a schematic diagram of the operation of a thermal management system according to an embodiment of the invention.

Reference numerals:

an integrated module 1;

a first valve seat 10; a first check valve 11a; a second check valve 11b; a third check valve 11c; a first throttle valve 12a; a second throttle valve 12b; a third throttle valve 12c; a first electromagnetic valve 13a; a second electromagnetic valve 13b; a heat exchange plate interface 14; a heat exchanger first interface 15; a heat exchanger second interface 16; a first electrical connection port 17; a second electrical connection port 18;

A second valve seat 20; a first water side interface 21; a second water side interface 22; a heat exchanger third interface 23; a heat exchanger fourth interface 24;

a heat exchanger 30; a gas-liquid separator 40; a switching valve 50; the first valve port 51; second valve port 52; a third valve port 53; fourth port 54; a water pump 60; a water replenishment tank 70; a heat exchange plate 80;

a compressor 100; an external condenser 200; a refrigerant liquid storage tank 300; a first heat sink 400; the motor electric control radiator 500; an in-vehicle condenser 600; the in-vehicle evaporator 700.

Detailed Description

Embodiments of the present invention are described in detail below, examples of which are illustrated in the accompanying drawings, wherein like or similar reference numerals refer to like or similar elements or elements having like or similar functions throughout. The embodiments described below by referring to the drawings are illustrative only and are not to be construed as limiting the invention.

In the description of the present invention, it should be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", etc. indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings are merely for convenience in describing the present invention and simplifying the description, and do not indicate or imply that the devices or elements referred to must have a specific orientation, be configured and operated in a specific orientation, and thus should not be construed as limiting the present invention.

Furthermore, the terms "first," "second," and the like, are used for descriptive purposes only and are not to be construed as indicating or implying a relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defining "a first" or "a second" may explicitly or implicitly include one or more such feature. In the description of the present invention, the meaning of "plurality" means at least two, for example, two, three, etc., unless specifically defined otherwise.

In the present invention, unless explicitly specified and limited otherwise, the terms "mounted," "connected," "secured," and the like are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally formed; may be mechanically connected, may be electrically connected or may communicate with each other; can be directly connected or indirectly connected through an intermediate medium, and can be communicated with the inside of two elements or the interaction relationship of the two elements. The specific meaning of the above terms in the present invention can be understood by those of ordinary skill in the art according to the specific circumstances.

In the present invention, unless expressly stated or limited otherwise, a first feature "above" or "below" a second feature may include both the first and second features being in direct contact, as well as the first and second features not being in direct contact but being in contact with each other through additional features therebetween. Moreover, a first feature being "above," "over" and "on" a second feature includes the first feature being directly above and obliquely above the second feature, or simply indicating that the first feature is higher in level than the second feature. The first feature being "under", "below" and "beneath" the second feature includes the first feature being directly under and obliquely below the second feature, or simply means that the first feature is less level than the second feature.

An integrated module 1 according to an embodiment of the invention is described below with reference to fig. 1-6.

As shown in fig. 1, an integrated module 1 according to the present invention is used for a thermal management system of a vehicle, the integrated module 1 including: a first valve seat 10, a second valve seat 20 and a heat exchanger 30. The first valve seat 10 is internally provided with a plurality of refrigerant flow paths, the first valve seat 10 is provided with a first heat exchanger interface 15, a second heat exchanger interface 16, a plurality of external device interfaces, a control valve group and a throttle valve group, the first heat exchanger interface 15, the second heat exchanger interface 16 and the external device interfaces are respectively connected with corresponding refrigerant flow paths, each external device interface is suitable for being connected with a component in a thermal management system of a vehicle, the control valve group is used for communicating different refrigerant flow paths to form different refrigerant loops, and the throttle valve group is used for throttling and depressurizing the refrigerant in the refrigerant loops flowing through the control valve group; the second valve seat 20 is fixed to the first valve seat 10, an internal liquid cooling flow path is arranged in the second valve seat 20, the second valve seat 20 is provided with a third heat exchanger interface 23, a fourth heat exchanger interface 24 and a first water side interface 21, the third heat exchanger interface 23, the fourth heat exchanger interface 24 and the first water side interface 21 are respectively connected with the corresponding internal liquid cooling flow paths, and the first water side interface 21 is suitable for being connected with an external electric motor control radiator 500; the heat exchanger 30 is fixed to the first valve seat 10 and/or the second valve seat 20, the heat exchanger 30 is provided with a first heat exchange flow path and a second heat exchange flow path which exchange heat with each other, two ends of the first heat exchange flow path are respectively connected with the first heat exchanger interface 15 and the second heat exchanger interface 16, two ends of the second heat exchange flow path are respectively connected with the third heat exchanger interface 23 and the fourth heat exchanger interface 24, and the openings of the first water side interface 21 and the plurality of external device interfaces are the same.

Specifically, the integrated module 1 may be applied to a thermal management system of a vehicle, and the integrated module 1 integrates and lays out control components of the thermal management system, so that the space occupied by the thermal management system in the whole vehicle can be saved to a greater extent by improving the integration level of the integrated module 1. The integrated module 1 comprises a first valve seat 10 and a second valve seat 20, wherein a plurality of refrigerant flow paths are formed in the first valve seat 10, and an internal liquid cooling flow path is formed in the second valve seat 20; the first valve seat 10 is provided with a plurality of external device interfaces and is connected with each component in the vehicle thermal management system through the plurality of external device interfaces, the second valve seat 20 is fixed on the first valve seat 10, the second valve seat 20 is provided with a first water side interface 21, and the first water side interface 21 of the second valve seat 20 and the plurality of external device interfaces of the first valve seat 10 face the same direction so as to perform the pipeline arrangement of the whole vehicle. The heat exchanger 30 is provided with a first heat exchange flow path and a second heat exchange flow path which can exchange heat with each other, a first heat exchanger interface 15 and a second heat exchanger interface 16 which are connected with a refrigerant flow path on the first valve seat 10 are respectively connected with two ends of the first heat exchange flow path, a third heat exchanger interface 23 and a fourth heat exchanger interface 24 which are connected with an internal liquid cooling flow path on the second valve seat 20 are respectively connected with two ends of the second heat exchange flow path, and the heat exchanger 30 can realize heat exchange between the refrigerant flow path and the internal liquid cooling flow path.

More specifically, the control valve set on the first valve seat 10 can communicate different refrigerant flow paths in the first valve seat 10, so as to form different refrigerant loops in the refrigerant side integrated module, so that the refrigerant flows in each structure of the refrigerant side integrated module, and the throttle valve set on the first valve seat 10 can throttle and decompress the refrigerant in each refrigerant loop, so as to ensure the refrigerant circulation in the refrigerant side integrated module. In some embodiments, the refrigerant can circulate in each refrigerant circuit of the thermal management system through the refrigerant flow path in the first valve seat 10, the first valve seat 10 is connected with the structure of the circulating refrigerant and forms a refrigerant side integrated module together with the structure of the circulating refrigerant, and the second valve seat 20 is connected with the structure of the circulating cooling liquid and forms a liquid cooling side integrated module together with the structure of the circulating cooling liquid.

According to the integrated module 1, the first valve seat 10 and the second valve seat 20 which are connected with each other are arranged to divide each structure on the integrated module 1 into the refrigerant side and the liquid cooling side, and the integrated module 1 integrates the refrigerant side integrated module and the liquid cooling side integrated module, so that the heat management system is compact in structure and higher in integration level, is beneficial to the platform design of a whole vehicle, and meanwhile, the refrigerant side integrated module and the liquid cooling side integrated module exchange heat through the heat exchanger 30 and the heat exchanger 30 is arranged on the refrigerant side and/or the liquid cooling side, so that the overall layout space of the integrated module 1 can be reduced, and the integrated arrangement and control of the whole vehicle are facilitated.

According to some embodiments of the present invention, as shown in fig. 4 to 5, the heat exchanger 30 is fixed to the first valve seat 10, and both left and right sides of the heat exchanger 30 are provided with a part of external device interfaces. Specifically, in some embodiments, the heat exchanger 30 is fixed to the first valve seat 10 and is disposed between the plurality of external device interfaces of the first valve seat 10, so that the heat exchanger 30 is disposed conveniently, and meanwhile, the integration degree of the integrated module 1 is improved, which is beneficial to saving the space disposed in the vehicle and facilitating the realization of the platformized arrangement.

According to some embodiments of the present invention, the control valve group includes a plurality of control valves, and a portion of the control valves are provided on both left and right sides of the heat exchanger 30. Specifically, the flow direction of the refrigerant in the first valve seat 10 can be switched by the action of the control valve set, the control valve set comprises a plurality of control valves, in some embodiments, the heat exchanger 30 is fixed on the first valve seat 10 and is arranged among the plurality of control valves of the first valve seat 10, the integration degree of the integrated module 1 is improved while the heat exchanger 30 is convenient to arrange, and the plurality of control valves can communicate different refrigerant flow paths in different air conditioning modes, so that the multi-mode switching of the thermal management system is realized.

According to some embodiments of the invention, as shown in fig. 1-3, the external device interface includes a gas-liquid separation inlet interface; the integrated module 1 further comprises a gas-liquid separator 40, the gas-liquid separator 40 being fixed to the first valve seat 10, an inlet end of the gas-liquid separator 40 being connected to the gas-liquid separation inlet interface. Specifically, the plurality of external device interfaces includes a gas-liquid separation inlet interface, the gas-liquid separator 40 has an inlet end, the gas-liquid separator 40 is fixed to the first valve seat 10, the inlet end of the gas-liquid separator 40 is connected to the gas-liquid separation inlet interface so as to perform the arrangement of the gas-liquid separator 40, and communication of the gas-liquid separator 40 with a refrigerant flow path in the first valve seat 10 is enabled. In the thermal management system, the refrigerant can be converted between a gas state and a liquid state to realize heat absorption and release, when the gaseous refrigerant circulates in the refrigerant pipeline in the thermal management system, the gaseous refrigerant carries the liquid refrigerant to circulate in the refrigerant pipeline due to heat exchange with other structures, the gas-liquid separator 40 is arranged to realize separation of the liquid refrigerant and the gaseous refrigerant in the gas-liquid mixture of the refrigerant, the gaseous refrigerant can enter the gas-liquid separator 40 from the inlet end of the gas-liquid separator 40, the gas-liquid separator 40 separates the liquid refrigerant and the gaseous refrigerant in the gas-liquid mixture of the refrigerant, and liquid drops carried in the gas are removed. The structure connected with the gas-liquid separator 40 can be connected to the corresponding gas-liquid separation inlet interface to realize connection with the gas-liquid separator 40, so that the integration degree of the integrated module 1 can be improved, and the arrangement space in the vehicle can be saved. In some embodiments, the gas-liquid separator 40 may be secured to the first valve seat 10 by screws. In other embodiments, the gas-liquid separator 40 has a separator junction disposed at and in communication with the inlet end, which is connected to other flow passages or pipes by the separator junction.

According to some embodiments of the present invention, as shown in fig. 1-3, the gas-liquid separator 40 and the second valve seat 20 are located on the same side of the first valve seat 10. Specifically, the gas-liquid separator 40 is connected with the first valve seat 10 through a gas-liquid separation inlet interface in the external device interface, so that the integrated module 1 has a more compact overall structure, and the gas-liquid separator 40 and the second valve seat 20 are arranged on the same side, so that the space of the integrated module 1 is fully utilized, and the integration degree of the integrated module 1 is improved.

According to some embodiments of the present invention, the external device interface includes at least one set of heat exchange plate interfaces 14, each set of heat exchange plate interfaces 14 is connected to both ends of the same heat exchange plate 80, and the heat exchange plate 80 is used to adjust the temperature of the battery module. Specifically, the plurality of external device interfaces include heat exchange plate interfaces 14, each group of heat exchange plate interfaces 14 are respectively connected with two ends of a heat exchange plate 80, when the vehicle battery module works, heat can be generated, the battery needs to be cooled, when the temperature of the battery module is too high, the heat exchange plate 80 can exchange heat with the battery module to cool the battery module, and the cooling liquid circulates in the heat exchange plate 80 and contacts the battery module through the heat exchange plate 80, so that heat generated by the battery module is taken away through the circulation of the cooling liquid, the safety and durability of the battery module can be improved by arranging the heat exchange plate 80, the temperature cooling speed of the battery module is accelerated, and heat exchange under high-power charging can be realized.

According to some embodiments of the invention, as shown in fig. 1-3, the integrated module 1 further comprises a switching valve 50. The switching valve 50 is provided on the second valve seat 20, and the switching valve 50 is operated to cause the coolant to flow to the second heat exchange flow path or to prevent the coolant from flowing to the second heat exchange flow path. Specifically, the cooling liquid flows to the second heat exchange flow path and then exchanges heat with the cooling medium in the first heat exchange flow path, so that the cooling liquid is cooled by the cooling medium, and the switching valve 50 acts to selectively switch the thermal management system to a proper working mode according to the heat dissipation requirement, so as to meet the actual differentiation requirement. In some embodiments, the integrated module 1 further has a coolant circuit adapted to heat exchange with the motor electric radiator 500, the motor electric radiator 500 being able to dissipate heat from the motor electric module of the vehicle in order to ensure that the motor electric module has a suitable operating temperature. The second heat exchange flow path is configured as a part of the cooling liquid loop, and the refrigerant in the first heat exchange flow path can exchange heat with the cooling liquid in the second heat exchange flow path, so that the refrigerant in the first heat exchange flow path can indirectly cool the motor electric control radiator 500, and the motor electric control module is further ensured to have proper working temperature.

According to some embodiments of the present invention, as shown in fig. 1-3, the second valve seat 20 is provided with a water pump port connected to the internal liquid cooling flow path, and the integrated module 1 further includes a water pump 60, the water pump 60 being fixed to the second valve seat 20 and connected to the water pump port. Specifically, the second valve seat 20 has a water pump port, and the water pump 60 is fixed to the second valve seat 20 and connected to the water pump port, facilitating arrangement of the water pump 60 and enabling communication of the water pump 60 with the liquid cooling flow path. In some embodiments, the water pump 60 may drive the cooling liquid in the cooling liquid loop to circulate, and the cooling liquid loop may be connected to the corresponding water pump interface to connect with the water pump 60, so as to improve the integration degree of the integrated module 1.

According to some embodiments of the invention, the second valve seat 20 further comprises a second water side port 22 connected to the internal liquid cooling flow path, the second water side port 22 being adapted to be connected to an external first radiator 400, the second water side port 22 and the plurality of external device ports opening out in the same direction. Specifically, the second valve seat 20 has a first water side port 21 and a second water side port 22, the first water side port 21 is connected to the motor-controlled radiator 500 so that the coolant can pass through the motor-controlled radiator 500 and exchange heat with the motor-controlled radiator 500, and the second water side port 22 is connected to the first radiator 400 so that the coolant flows out of the first radiator 400 and exchanges heat with the heat exchanger 30.

According to some embodiments of the present invention, as shown in fig. 6, the switching valve 50 is a four-way valve, and the internal liquid cooling flow path includes a first flow path, a second flow path, a third flow path, a fourth flow path, and a fifth flow path. The first runner is connected with the water pump interface and the third heat exchanger interface 23; the second flow passage is connected with the first flow passage and the first valve port 51 of the switching valve 50, respectively; the third flow passage is respectively connected with the fourth interface 24 of the heat exchanger and the second valve port 52 of the switching valve 50; the fourth flow passage is respectively connected with the third valve port 53 of the switching valve 50 and the first water side port 21; the fifth flow passage is connected to the fourth port 54 of the switching valve 50 and the second water side port 22, respectively. Specifically, the first flow path of the internal liquid cooling flow path communicates the water pump 60 with the heat exchanger 30, and the switching valve 50 has a first valve port 51, a second valve port 52, a third valve port 53, and a fourth valve port 54, and the switching valve 50 selectively controls the conduction of the four valve ports to control the flow direction of the cooling liquid.

In some embodiments, the switching valve 50 operates to control switching between a plurality of modes of operation for each configuration of the liquid-cooled side integrated module. In the first working mode, the cooling liquid can flow through the motor electric control radiator 500 and the first radiator 400 to form a cooling liquid loop, and at this time, the first radiator 400 can take away the heat of the motor electric control radiator 500 through the cooling liquid so as to reduce the temperature of the motor electric control radiator 500 and ensure the cooling effect on the motor electric control module; in the second working mode, the cooling liquid flows through the electric control radiator 500 of the motor and the second heat exchange flow path to form a cooling liquid loop, at the moment, the cooling liquid flows through the second heat exchange flow path to exchange heat with the cooling medium in the first heat exchange flow path, and the cooling medium recovers the waste heat in the cooling liquid to reduce the temperature of the cooling liquid, so that the cooling effect on the electric control module of the motor can be ensured; in the third working mode, the cooling liquid flows through the motor electric control radiator 500, the second heat exchange flow path and the first radiator 400 to form a cooling liquid loop, at this time, the first radiator 400 can take away the heat of the motor electric control radiator 500 through the cooling liquid, and meanwhile, the cooling liquid flows through the second heat exchange flow path to exchange heat with the refrigerant in the first heat exchange flow path so as to reduce the temperature of the cooling liquid, realize double cooling of the motor electric control radiator 500 and improve the cooling effect of the motor electric control module. It can be understood that the first working mode can be a high-temperature heat dissipation mode, the second working mode can be a heat pump working mode below-10 ℃, and the third working mode can be a heat pump working mode between-10 ℃ and 10 ℃. The switching valve 50 is arranged to enable the thermal management system to control the flow direction of the cooling liquid according to the heat dissipation requirement, so that the thermal management system is switched to a proper working mode to meet the actual differentiation requirement.

According to some embodiments of the invention, a portion of the valve seat of the switching valve 50 extends beyond the first valve seat 10 to form an extension where the first water side port 21 and the second water side port 22 are located. Specifically, in order to make the first water side port 21 and the second water side port 22 of the second valve seat 20 face the same as the plurality of external device ports of the first valve seat 10, an extension portion is provided on the second valve seat 20, and the first water side port 21 and the second water side port 22 are provided on the extension portion, which is formed on the edge of the second valve seat 20, and the first water side port 21 and the second water side port 22 are provided on the edge of the second valve seat 20, so that piping is conveniently arranged. In some embodiments, the switching valve 50 is disposed at an edge of the second valve seat 20 and an extension is provided beyond the first valve seat 10 for the arrangement of the piping. In some embodiments, the plurality of external device interfaces are open towards the extension direction of the first valve seat 10, and the second valve seat 20 is also provided with a first water side interface 21 and a second water side interface 22 open towards the extension direction of the extension part, so that the pipeline can be connected to the same side of the integrated module 1, facilitating the pipeline arrangement of the whole vehicle.

According to some embodiments of the present invention, as shown in fig. 2-3, the second valve seat 20 is provided with a tank port connected to the internal liquid cooling flow path, and the integrated module 1 further includes a water replenishment tank 70, the water replenishment tank 70 being fixed to the second valve seat 20 and the tank port being connected. Specifically, the water replenishing tank 70 is disposed on the second valve seat 20 and is connected to the water tank interface of the second valve seat 20, and the water tank interface is connected to the internal liquid cooling flow path, so that the water replenishing tank 70 is communicated with the internal liquid cooling flow path of the second valve seat 20, and meanwhile, the integration degree of the integrated module 1 is improved. In some embodiments, the water replenishing tank 70 is connected to the cooling liquid circuit to replenish the cooling liquid circuit, so as to realize the liquid shortage protection of the liquid cooling side integrated module, and ensure the cooling effect of the internal liquid cooling flow path on the motor electric control radiator 500. It will be appreciated that the lowest level of the makeup tank 70 should be higher than the height of the heat exchanger 30 to enable the coolant in the makeup tank 70 to flow into the heat exchanger 30, ensuring heat exchange efficiency.

According to some embodiments of the present invention, as shown in fig. 1, the makeup tank 70 is located above the switching valve 50 and the water pump 60. Specifically, the water replenishment tank 70 is located above the switching valve 50 and the water pump 60 to convey the coolant to a pipe connected to the switching valve 50 or the water pump 60 by gravity.

According to some embodiments of the present invention, the first valve seat 10 is provided with a control valve group and a throttle valve group, the control valve group is used for communicating different refrigerant flow paths to form different refrigerant loops, the throttle valve group is used for throttling and depressurizing the refrigerant flowing through the refrigerant loops, the control valve group is provided with a first electric connection port 17, the throttle valve group is provided with a second electric connection port 18, and the openings of the first electric connection port 17 and the second electric connection port 18 are the same. Specifically, the openings of the first electric connection port 17 and the second electric connection port 18 are made to be the same in orientation, so that connection to the first electric connection port 17 or the second electric connection port 18 can be achieved through the same operation, the complexity of the operation is reduced, and automatic production is facilitated.

According to some embodiments of the invention, the opening of the first electrical connection port 17 is oriented in the same direction as the thickness of the first valve seat 10. Specifically, in order to make full use of the space of the first valve seat 10, the first electric connection port 17 is prevented from occupying too much space, the control valve group and the throttle valve group are arranged along the length direction and/or the width direction of the first valve seat 10, and the opening of the first electric connection port 17 faces to the surface perpendicular to the first valve seat 10, so that when the parts are connected with the first electric connection port 17, the positions of the parts only need to be moved along the direction perpendicular to the surface of the first valve seat 10, so that the influence of the connection of the parts and the first electric connection port 17 by the control valve group or the throttle valve group on the surface of the first valve seat 10 is avoided, and the parts are conveniently and rapidly connected with the first electric connection port 17 or the second electric connection port 18, thereby realizing the integrated setting of the control valve and the throttle valve.

In some embodiments of the invention, the integrated module 1 comprises a first valve seat 10 and a second valve seat 20. The heat exchanger 30 may be fixed to the first valve seat 10 by screws, and a first heat exchange flow path and a second heat exchange flow path which can exchange heat with each other are formed inside the heat exchanger 30. The first valve seat 10 is provided with a first heat exchanger interface 15, a second heat exchanger interface 16, a plurality of external device interfaces, a control valve group and a throttle valve group, wherein the first heat exchanger interface 15 and the second heat exchanger interface 16 are respectively connected with two ends of a first heat exchange flow path of the heat exchanger 30 so as to connect the first heat exchange flow path with a refrigerant flow path of the first valve seat 10; the second valve seat 20 is provided with a third heat exchanger interface 23, a fourth heat exchanger interface 24, a first water side interface 21 and a second water side interface 22, and the third heat exchanger interface 23 and the fourth heat exchanger interface 24 are respectively connected with two ends of a second heat exchange flow path of the heat exchanger 30 so as to connect the second heat exchange flow path with an internal liquid cooling flow path of the second valve seat 20. The second valve seat 20 may be fixed to the first valve seat 10 by screws, and an extension of the second valve seat 20 extends beyond the first valve seat 10, with a first water side port 21 and a second water side port 22 formed thereon. The heat exchanger 30 is provided with a part of external device interfaces and a part of control valves on the left and right sides, respectively. The external device interfaces are respectively connected with the structures such as the gas-liquid separator 40 and the heat exchange plate 80, wherein the external device interfaces comprise gas-liquid separation inlet interfaces, the gas-liquid separator 40 and the second valve seat 20 are arranged on the same side of the first valve seat 10, the inlet end of the gas-liquid separator 40 is connected with the gas-liquid separation inlet interfaces, the external device interfaces further comprise a group of cooling interfaces, and the heat exchange plate interfaces 14 are connected with two ends of the same heat exchange plate 80. The second valve seat 20 is provided with a water supplementing tank 70 and a water pump 60, the water supplementing tank 70 is communicated with a water tank interface arranged on the second valve seat 20, and the water pump 60 is communicated with a water pump interface arranged on the second valve seat 20. The second valve seat 20 is further provided with a switching valve 50, the switching valve 50 is configured as a four-way valve, the four-way valve is provided with a first valve port 51, a second valve port 52, a third valve port 53 and a fourth valve port 54, wherein the second valve port 52 is connected with the fourth port 24 of the heat exchanger on the second valve seat 20, the third valve port 53 is connected with the first water side port 21, the fourth valve port 54 is connected with the second water side port 22, and the water supplementing tank 70 is positioned above the four-way valve and the water pump 60.

As shown in fig. 6, the thermal management system further includes structures such as a compressor 100, an in-vehicle condenser 600, an in-vehicle evaporator 700, an out-vehicle condenser 200, a refrigerant liquid storage tank 300, a heat exchange plate 80, a motor electric control radiator 500, and a first radiator 400, where the structures such as the compressor 100, the in-vehicle condenser 600, the in-vehicle evaporator 700, the out-vehicle condenser 200, the refrigerant liquid storage tank 300, and the heat exchange plate 80 are connected to the refrigerant side of the integrated module 1, and the structures such as the motor electric control radiator 500 and the first radiator 400 are connected to the liquid cooling side of the integrated module 1. The refrigerant in the refrigerant circuit may be converted between a gaseous state and a liquid state by the compressor 100. The thermal management system has various modes, such as a battery cooling mode, a battery heating mode, an air conditioning cooling mode, an air conditioning heating mode, a battery cooling+air conditioning cooling mode, a battery heating+air conditioning cooling mode, a battery cooling+air conditioning heating mode, a battery heating+air conditioning heating mode, an air conditioning cooling+air conditioning heating mode, a battery heating+air conditioning cooling+air conditioning heating mode, a battery cooling+air conditioning heating mode, and the like.

In the battery cooling mode, the compressor 100 discharges a high-temperature and high-pressure gaseous refrigerant, the gaseous refrigerant enters the external condenser 200 and is liquefied by heat release of the external condenser 200, the medium-temperature and high-pressure liquid refrigerant sequentially flows to the first throttle valve 12a through the first check valve 11a and the second check valve 11b, the liquid refrigerant throttles and expands in the first throttle valve 12a and flows out of the integrated module 1 through the heat exchange plate interface 14 and then enters the heat exchange plate 80, and at the moment, the low-temperature and low-pressure gas-liquid mixture absorbs the heat of the battery and evaporates, so that the temperature of the battery module can be reduced when the temperature of the battery module is overhigh. The refrigerant after heat exchange enters the integrated module 1 again through the heat exchange plate interface 14, flows through the first electromagnetic valve 13a, enters the gas-liquid separator 40, and enters the compressor 100 again after gas-liquid separation. The battery cooling mode of the thermal management system is characterized in that the cooling medium can circulate in the flow to cool the battery module.

In the battery heating mode, the compressor 100 discharges a high-temperature and high-pressure gaseous refrigerant, the gaseous refrigerant flows into the integrated module 1 and flows into the first electromagnetic valve 13a, the gaseous refrigerant flows into the heat exchange plate 80 through the heat exchange plate interface 14, and at the moment, the gaseous refrigerant condenses to release heat and heats the battery module, so that the battery module is heated, the service life of the battery is prolonged, the battery efficiency is improved, the battery capacity at low temperature and the whole vehicle endurance mileage can be improved, and the charging time is effectively shortened. The refrigerant after heat exchange enters the integrated module 1 through the heat exchange plate interface 14, throttles and expands through the first throttle valve 12a, the liquid refrigerant flows to the first interface 15 of the heat exchanger through the third one-way valve 11c and enters the heat exchanger 30 to absorb heat and evaporate, the refrigerant flowing out of the heat exchanger 30 from the second interface 16 of the heat exchanger flows to the gas-liquid separator 40 through the second electromagnetic valve 13b, and the refrigerant after gas-liquid separation enters the compressor 100 again. The battery heating mode of the thermal management system is adopted, and the refrigerant can circulate in the flow to heat the battery module.

In the air conditioning refrigeration mode, the compressor 100 discharges a high-temperature and high-pressure gaseous refrigerant, the gaseous refrigerant enters the external condenser 200, the refrigerant is a medium-temperature and high-pressure liquid refrigerant after being exothermically liquefied by the external condenser 200, the liquid refrigerant flows to the third throttle valve 12c through the first check valve 11a to be throttled and expanded, the low-temperature and low-pressure gas-liquid mixture enters the internal evaporator 700 to absorb heat and evaporate, the refrigerant absorbs heat in the internal environment, the temperature in the vehicle is reduced, the low-temperature and low-pressure gaseous refrigerant enters the integrated module 1 again and enters the gas-liquid separator 40, and the refrigerant after gas-liquid separation enters the compressor 100 again. The air conditioning refrigeration mode of the thermal management system is that the refrigerant circulates according to the flow, so that the refrigeration and the temperature reduction of the cabin of the vehicle can be realized.

In the air conditioning and heating mode, the compressor 100 discharges a high-temperature and high-pressure gaseous refrigerant, the gaseous refrigerant enters the interior condenser 600, the refrigerant releases heat in the interior condenser 600, and the heat is mixed with air and blown into the interior by the blower to heat the interior member compartment. The refrigerant flowing out of the interior condenser 600 enters the integrated module 1 and is throttled and expanded by the second throttle valve 12b, then enters the heat exchanger 30 through the first interface 15 of the heat exchanger to exchange heat, the refrigerant after heat exchange enters the second electromagnetic valve 13b through the second one-way valve 11b and then enters the gas-liquid separator 40, and the refrigerant after gas-liquid separation enters the compressor 100 again. The air conditioning heating mode of the thermal management system is adopted, and the refrigerant can circulate according to the flow, so that heating and heating of an indoor member cabin can be realized.

In the battery cooling and air conditioning refrigeration mode, the compressor 100 discharges high-temperature and high-pressure gaseous refrigerant, the gaseous refrigerant is split into two paths, one path enters the external condenser 200, the gaseous refrigerant enters the external condenser 200 and is liquefied by heat release of the external condenser 200, the medium-temperature and high-pressure liquid refrigerant sequentially flows to the first throttle valve 12a through the first check valve 11a and the second check valve 11b, the liquid refrigerant throttles and expands in the first throttle valve 12a and flows out of the integrated module 1 through the heat exchange plate interface 14 and then enters the heat exchange plate 80, at the moment, the low-temperature and low-pressure gas-liquid mixture absorbs the heat of the battery and evaporates, the refrigerant after heat exchange enters the integrated module 1 through the heat exchange plate interface 14 again, and the refrigerant enters the gas-liquid separator 40 after flowing through the first electromagnetic valve 13 a; the other path of the refrigerant enters the external condenser 200, the gaseous refrigerant enters the external condenser 200, the refrigerant is a medium-temperature high-pressure liquid refrigerant after the heat release and liquefaction of the external condenser 200, the liquid refrigerant flows to the third throttle valve 12c through the first one-way valve 11a to be throttled and expanded, the low-temperature low-pressure gas-liquid mixture enters the internal evaporator 700 to absorb heat and evaporate, the refrigerant absorbs heat in the internal environment, the temperature in the vehicle is reduced, the low-temperature low-pressure gaseous refrigerant enters the integrated module 1 again and enters the gas-liquid separator 40, the two paths of refrigerants are separated in the gas-liquid separator 40, and the refrigerant after gas-liquid separation enters the compressor 100 again. The above is a battery cooling+air conditioning cooling mode of the thermal management system.

In the battery heating and air conditioning refrigeration mode, the compressor 100 discharges high-temperature and high-pressure gaseous refrigerant, the gaseous refrigerant is split into two paths, one path enters the integrated module 1 and flows into the heat exchange plate 80 through the first electromagnetic valve 13a, at the moment, the gaseous refrigerant condenses and releases heat and heats the battery module, the heat-exchanged refrigerant enters the integrated module 1 through the heat exchange plate interface 14 and throttles and expands through the first throttle valve 12a, the liquid refrigerant flows to the heat exchanger first interface 15 through the third one-way valve 11c and enters the heat exchanger 30 to absorb heat and evaporate, and the refrigerant flowing out of the heat exchanger 30 from the heat exchanger second interface 16 flows to the gas-liquid separator 40 through the second electromagnetic valve 13 b; the other path of refrigerant enters the external condenser 200, the refrigerant is a medium-temperature high-pressure liquid refrigerant after the heat release and liquefaction of the external condenser 200, the liquid refrigerant flows to the third throttling valve 12c through the first one-way valve 11a to be throttled and expanded, the low-temperature low-pressure gas-liquid mixture enters the internal evaporator 700 to absorb heat and evaporate, the refrigerant absorbs heat in the internal environment, the temperature in the vehicle is reduced, the low-temperature low-pressure gaseous refrigerant enters the integrated module 1 again and enters the gas-liquid separator 40, the two paths of refrigerant are separated in the gas-liquid separator 40, and the refrigerant after gas-liquid separation enters the compressor 100 again. The above is a battery heating+air conditioning cooling mode of the thermal management system.

In a battery cooling and air conditioning heating mode, the compressor 100 discharges a high-temperature and high-pressure gaseous refrigerant, the gaseous refrigerant is split into two paths, one path of the gaseous refrigerant enters the external condenser 200, the gaseous refrigerant enters the external condenser 200 and is liquefied by heat release of the external condenser 200, the medium-temperature and high-pressure liquid refrigerant sequentially flows to the first throttle valve 12a through the first one-way valve 11a and the second one-way valve 11b, the liquid refrigerant throttles and expands in the first throttle valve 12a and flows out of the integrated module 1 through the heat exchange plate interface 14 and then enters the heat exchange plate 80, at the moment, a low-temperature and low-pressure gas-liquid mixture absorbs heat of a battery and evaporates, so that the temperature of the battery module can be reduced when the temperature of the battery module is overhigh, the refrigerant after heat exchange enters the integrated module 1 through the heat exchange plate interface 14 again, and the refrigerant enters the gas-liquid separator 40 after flowing through the first electromagnetic valve 13 a; the other path of refrigerant enters the external condenser 200, the refrigerant releases heat in the internal condenser 600, the heat is mixed with air and blown into the vehicle through a blower to heat the cabin of a member in the vehicle, the refrigerant flowing out of the internal condenser 600 enters the integrated module 1 and is throttled and expanded by the second throttle valve 12b, then enters the heat exchanger 30 through the first interface 15 of the heat exchanger to exchange heat, the heat-exchanged refrigerant enters the gas-liquid separator 40 after entering the second electromagnetic valve 13b through the second one-way valve 11b, the two paths of refrigerant are both separated in the gas-liquid separator 40, and the refrigerant after gas-liquid separation enters the compressor 100 again. The battery cooling and air conditioning heating modes of the thermal management system are as described above.

In the battery heating and air conditioning heating mode, the compressor 100 discharges high-temperature and high-pressure gaseous refrigerant, the gaseous refrigerant is split into two paths, one path enters the integrated module 1 and flows into the heat exchange plate 80 through the first electromagnetic valve 13a, at the moment, the gaseous refrigerant condenses and releases heat and heats the battery module, the heat-exchanged refrigerant enters the integrated module 1 through the heat exchange plate interface 14 and throttles and expands through the first throttle valve 12a, the liquid refrigerant flows to the heat exchanger first interface 15 through the third one-way valve 11c and enters the heat exchanger 30 to absorb heat and evaporate, and the refrigerant flowing out of the heat exchanger 30 from the heat exchanger second interface 16 flows to the gas-liquid separator 40 through the second electromagnetic valve 13 b; the other path of refrigerant enters the external condenser 200, the refrigerant releases heat in the internal condenser 600, the heat is mixed with air and blown into the vehicle through a blower to heat the cabin of a member in the vehicle, the refrigerant flowing out of the internal condenser 600 enters the integrated module 1 and is throttled and expanded by the second throttle valve 12b, then enters the heat exchanger 30 through the first interface 15 of the heat exchanger to exchange heat, the heat-exchanged refrigerant enters the gas-liquid separator 40 after entering the second electromagnetic valve 13b through the second one-way valve 11b, the two paths of refrigerant are both separated in the gas-liquid separator 40, and the refrigerant after gas-liquid separation enters the compressor 100 again. The battery heating and air conditioning heating modes of the thermal management system are as described above.

In the air conditioning refrigeration and air conditioning heating mode, the compressor 100 discharges high-temperature high-pressure gaseous refrigerant, the gaseous refrigerant is split into two paths, one path is the liquid refrigerant with medium temperature and high pressure after the refrigerant is liquefied by heat release of the external condenser 200, the liquid refrigerant flows to the third throttle valve 12c through the first one-way valve 11a to be throttled and expanded, the low-temperature low-pressure gas-liquid mixture enters the internal evaporator 700 to absorb heat and evaporate, the refrigerant absorbs heat in the internal environment, the temperature in the vehicle is reduced, and the low-temperature low-pressure gaseous refrigerant enters the integrated module 1 again and enters the gas-liquid separator 40; the other path of refrigerant enters the external condenser 200, the refrigerant releases heat in the internal condenser 600, the heat is mixed with air and blown into the vehicle through a blower to heat the cabin of a member in the vehicle, the refrigerant flowing out of the internal condenser 600 enters the integrated module 1 and is throttled and expanded by the second throttle valve 12b, then enters the heat exchanger 30 through the first interface 15 of the heat exchanger to exchange heat, the heat-exchanged refrigerant enters the gas-liquid separator 40 after entering the second electromagnetic valve 13b through the second one-way valve 11b, the two paths of refrigerant are both separated in the gas-liquid separator 40, and the refrigerant after gas-liquid separation enters the compressor 100 again. The air conditioning refrigeration and air conditioning heating modes of the thermal management system are described above.

In the battery heating, air conditioning refrigeration and air conditioning heating modes, the compressor 100 discharges high-temperature and high-pressure gaseous refrigerants, the gaseous refrigerants are split into three paths, the first path enters the external condenser 200, the refrigerants are middle-temperature and high-pressure liquid refrigerants after being subjected to heat release liquefaction in the external condenser 200, the liquid refrigerants flow to the third throttling valve 12c through the first one-way valve 11a to be throttled and expanded, the low-temperature and low-pressure gas-liquid mixture enters the internal evaporator 700 to absorb heat and evaporate, the refrigerants absorb heat in the internal environment, the temperature in the vehicle is reduced, and the low-temperature and low-pressure gaseous refrigerants enter the integrated module 1 again and enter the gas-liquid separator 40; the other path of refrigerant enters the external condenser 200, the refrigerant releases heat in the internal condenser 600, the heat is mixed with air and blown into the vehicle through a blower to heat the cabin of a member in the vehicle, the refrigerant flowing out of the internal condenser 600 enters the integrated module 1 and is throttled and expanded by the second throttle valve 12b, then enters the heat exchanger 30 through the first interface 15 of the heat exchanger to exchange heat, and the heat-exchanged refrigerant enters the gas-liquid separator 40 through the second one-way valve 11b after entering the second electromagnetic valve 13 b; the third path enters the integrated module 1 and flows into the heat exchange plate 80 through the first electromagnetic valve 13a, the refrigerant after heat exchange enters the integrated module 1 through the heat exchange plate interface 14 and throttles and expands through the first throttle valve 12a, the liquid refrigerant flows to the first interface 15 of the heat exchanger through the third one-way valve 11c and enters the heat exchanger 30 to absorb heat and evaporate, the refrigerant flowing out of the heat exchanger 30 from the second interface 16 of the heat exchanger flows to the gas-liquid separator 40 through the second electromagnetic valve 13b, the three paths of refrigerants are all separated in the gas-liquid separator 40, and the refrigerant after gas-liquid separation enters the compressor 100 again. The battery heating, air conditioning refrigeration and air conditioning heating modes of the thermal management system are as described above. In the battery cooling, air conditioning refrigeration and air conditioning heating modes, the compressor 100 discharges high-temperature and high-pressure gaseous refrigerant, the gaseous refrigerant is split into three paths, the first path enters the external condenser 200, the refrigerant is a medium-temperature and high-pressure liquid refrigerant after being subjected to heat release liquefaction in the external condenser 200, the liquid refrigerant flows to the third throttling valve 12c through the first one-way valve 11a to be throttled and expanded, the low-temperature and low-pressure gas-liquid mixture enters the internal evaporator 700 to absorb heat and evaporate, the refrigerant absorbs heat in the internal environment, the temperature in the vehicle is reduced, and the low-temperature and low-pressure gaseous refrigerant enters the integrated module 1 again and enters the gas-liquid separator 40; the other path of refrigerant enters the external condenser 200, the refrigerant releases heat in the internal condenser 600, the heat is mixed with air and blown into the vehicle through a blower to heat the cabin of a member in the vehicle, the refrigerant flowing out of the internal condenser 600 enters the integrated module 1 and is throttled and expanded by the second throttle valve 12b, then enters the heat exchanger 30 through the first interface 15 of the heat exchanger to exchange heat, and the heat-exchanged refrigerant enters the gas-liquid separator 40 through the second one-way valve 11b after entering the second electromagnetic valve 13 b; the third path is to enter the external condenser 200, the gaseous refrigerant enters the external condenser 200 and is liquefied by heat release in the external condenser 200, the medium-temperature high-pressure liquid refrigerant sequentially flows to the first throttle valve 12a through the first check valve 11a and the second check valve 11b, the liquid refrigerant throttles and expands in the first throttle valve 12a and flows out of the integrated module 1 through the heat exchange plate interface 14 and then enters the heat exchange plate 80, at the moment, the low-temperature low-pressure gas-liquid mixture absorbs the heat of the battery and evaporates, the temperature of the battery module can be reduced when the temperature of the battery module is too high, the refrigerant after heat exchange enters the integrated module 1 through the heat exchange plate interface 14 again, the refrigerant enters the gas-liquid separator 40 after flowing through the first electromagnetic valve 13a, the three paths of refrigerants are separated in the gas-liquid separator 40, and the refrigerant after gas-liquid separation enters the compressor 100 again. The battery cooling, air conditioning refrigeration and air conditioning heating modes of the thermal management system are as described above.

The liquid cooling side integrated module can realize four working modes, for example, in a high-temperature heat dissipation mode, at the moment, the first valve port 51 of the four-way valve is communicated with the third valve port 53, the cooling liquid of the first radiator 400 flows to the four-way valve from the second flow passage after entering the water pump 60, the four-way valve guides the cooling liquid to the motor electric control radiator 500, and the cooling liquid returns to the first radiator 400 after entering the motor electric control radiator 500 for heat exchange, so that the circulating work of the high-temperature heat dissipation mode is realized.

The liquid cooling side integrated module also has a heat pump working mode below minus 10 ℃, at this time, the second valve port 52 and the fourth valve port 54 of the four-way valve are communicated, the cooling liquid of the first radiator 400 enters the water pump 60 and then enters the heat exchanger 30 through the first flow channel, after exchanging heat with the refrigerant in the heat exchanger 30, the cooling liquid flows to the four-way valve through the third flow channel, and the cooling liquid flows into the first radiator 400, so that the circulation work of the heat pump working mode below minus 10 ℃ is realized.

The liquid cooling side integrated module also has a heat pump working mode between-10 ℃ and 10 ℃, at the moment, the second valve port 52 of the four-way valve is communicated with the third valve port 53, the cooling liquid of the first radiator 400 enters the water pump 60 and then enters the heat exchanger 30 through the first flow channel, the cooling liquid enters the four-way valve through the third flow channel after exchanging heat with the refrigerant in the heat exchanger 30, and the cooling liquid flows into the motor electric control radiator 500 to exchange heat and then returns to the first radiator 400, so that the circulation work of the heat pump working mode between-10 ℃ and 10 ℃ is realized.

The liquid cooling side integrated module also has heat absorption and radiation working modes, at this time, the second valve port 52 of the four-way valve is respectively communicated with the third valve port 53 and the fourth valve port 54, the cooling liquid of the first radiator 400 enters the water pump 60 and then enters the heat exchanger 30 through the first flow channel, heat exchange is carried out between the cooling liquid and the refrigerant in the heat exchanger 30, and then the cooling liquid flows to the four-way valve, and the four-way valve respectively leads the cooling liquid to the electric motor controlled radiator 500 and the first radiator 400, so that the circulation work of the heat absorption and radiation working modes is realized.

The integrated module 1 of this application divides each structure that will be located on the integrated module 1 into refrigerant side and liquid cooling side through setting up first disk seat 10 and the second disk seat 20 that are connected with each other, with structures such as heat exchanger 30, gas-liquid separator 40, the switching valve 50, water pump 60, make-up tank 70 integrated in the integrated module 1, and structures such as heat exchanger 30, gas-liquid separator 40, the switching valve 50, water pump 60, make-up tank 70 arrange in proper order on the integrated module 1, make thermal management system compact structure, the integrated level is higher, be favorable to the platform design of whole car, and refrigerant side integrated module and liquid cooling side integrated module integrate through simple assembly, integrated module 1 wholly forms rectangular structure, be applicable to the large-scale vehicle.

The thermal management system according to the present invention includes the integrated module 1 according to any one of the above embodiments, and is compact and has a higher integration level because the thermal management system according to the present invention is provided with the integrated module 1 according to the above embodiment.

The vehicle according to the present invention is briefly described below.

The vehicle according to the present invention includes the thermal management system in the above-described embodiment, and since the vehicle according to the present invention is provided with the thermal management system of the above-described embodiment, the vehicle interior is compact, and the arrangement of the structures in the vehicle is more flexible, and the layout of the lines is more attractive.

In summary, the integrated module 1 of the present invention integrates the structures of the heat exchanger 30, the gas-liquid separator 40, the control valve group, the throttle valve group, the water pump 60, the water supplementing tank 70, the switching valve 50, etc. into a whole through the design of the first valve seat 10 and the second valve seat 20 which are connected with each other, the integration level is higher, and the pipeline connection in the thermal management system is simplified through the first valve seat 10 and the second valve seat 20 with the internal flow passage and the inlet and outlet interface, the overall layout space of the thermal management system is reduced, and the integrated arrangement and control of the whole vehicle are facilitated; the first valve seat 10 and the second valve seat 20 which are connected with each other distribute the refrigerant side integrated module and the liquid cooling side integrated module on two sides, and the interface of the refrigerant side and the interface of the liquid cooling side are arranged on the same side, so that the whole vehicle pipeline arrangement is convenient, and the whole vehicle arrangement is more reasonable and attractive; the structure arranged on the integrated module 1 is connected with the integrated module 1 through screws, the connection mode is simple and reliable, the processing is easier, and the maintenance cost is lower.

In the description of the present specification, a description referring to terms "one embodiment," "some embodiments," "examples," "specific examples," or "some examples," etc., means that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the present invention. In this specification, schematic representations of the above terms are not necessarily directed to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples. Further, one skilled in the art can engage and combine the different embodiments or examples described in this specification.

Although embodiments of the present invention have been shown and described above, variations, modifications, substitutions and alterations are possible to the above embodiments.

Claims

1. An integrated module for a thermal management system of a vehicle, comprising:

the heat exchanger comprises a first valve seat (10), wherein a plurality of refrigerant flow paths are arranged in the first valve seat (10), the first valve seat (10) is provided with a first heat exchanger interface (15), a second heat exchanger interface (16), a plurality of external device interfaces, a control valve bank and a throttle valve bank, the first heat exchanger interface (15), the second heat exchanger interface (16) and the external device interfaces are respectively connected with corresponding refrigerant flow paths, each external device interface is suitable for being connected with a component in the thermal management system, the control valve bank is used for communicating different refrigerant flow paths to form different refrigerant loops, and the throttle valve bank is used for throttling and depressurizing a refrigerant in the refrigerant loop flowing through the throttle valve bank;

The second valve seat (20), the second valve seat (20) is fixed to the first valve seat (10), an internal liquid cooling flow path is arranged in the second valve seat (20), the second valve seat (20) is provided with a third heat exchanger interface (23), a fourth heat exchanger interface (24) and a first water side interface (21), the third heat exchanger interface (23), the fourth heat exchanger interface (24) and the first water side interface (21) are respectively connected with the corresponding internal liquid cooling flow paths, and the first water side interface is suitable for being connected with an external motor electric control radiator (500);

the heat exchanger (30), heat exchanger (30) is fixed to first disk seat (10) and/or second disk seat (20), heat exchanger (30) are equipped with first heat transfer flow path and the second heat transfer flow path of mutual heat transfer, the both ends of first heat transfer flow path respectively with heat exchanger first interface (15) with heat exchanger second interface (16), the both ends of second heat transfer flow path respectively with heat exchanger third interface (23) with heat exchanger fourth interface (24) link to each other, first water side interface (21) with the opening orientation of a plurality of external device interfaces is the same.

2. The integrated module according to claim 1, wherein the heat exchanger (30) is fixed to the first valve seat (10), and wherein both the left and right sides of the heat exchanger (30) are provided with a portion of the external device interface.

3. The integrated module according to claim 2, wherein the control valve group comprises a plurality of control valves, and a part of the control valves is provided on both left and right sides of the heat exchanger (30).

4. The integrated module of claim 1, wherein the external device interface comprises a gas-liquid separation inlet interface;

the integrated module further comprises a gas-liquid separator (40), the gas-liquid separator (40) being fixed to the first valve seat (10), an inlet end of the gas-liquid separator (40) being connected to the gas-liquid separation inlet interface.

5. The integrated module of claim 4, wherein the gas-liquid separator (40) and the second valve seat (20) are located on the same side of the first valve seat (10).

6. The integrated module according to claim 1, wherein the external device interface comprises at least one set of heat exchange plate interfaces (14), each set of heat exchange plate interfaces (14) being connected to both ends of the same heat exchange plate (80), the heat exchange plates (80) being used for adjusting the temperature of the battery module.

7. The integrated module of any one of claims 1-6, further comprising: and a switching valve (50), wherein the switching valve (50) is arranged on the second valve seat (20), and the switching valve (50) acts to enable the cooling liquid to flow to the second heat exchange flow path or prevent the cooling liquid from flowing to the second heat exchange flow path.

8. The integrated module of claim 7, wherein the second valve seat (20) is provided with a water pump interface connected to the internal liquid cooling flow path, the integrated module further comprising a water pump (60), the water pump (60) being secured to the second valve seat (20) and connected to the water pump interface.

9. The integrated module of claim 8, wherein the second valve seat (20) further comprises a second water side port (22) connected to the internal liquid cooling flow path, the second water side port (22) adapted to be connected to an external first heat sink (400), the second water side port (22) and the plurality of external device ports opening out in the same direction.

10. The integrated module of claim 9, wherein the switching valve (50) is a four-way valve, and the internal liquid cooling flow path comprises:

the first flow passage is connected with the water pump interface and the third heat exchanger interface (23);

a second flow passage connected to the first flow passage and a first valve port (51) of the switching valve (50), respectively;

a third flow passage connected to the fourth port (24) of the heat exchanger and the second port (52) of the switching valve (50), respectively;

A fourth flow passage connected to a third valve port (53) of the switching valve (50) and the first water side port (21), respectively;

and the fifth flow passage is respectively connected with a fourth valve port (54) of the switching valve (50) and the second water side interface (22).

11. The integrated module of claim 9, wherein a portion of the valve seat of the switching valve (50) extends beyond the first valve seat (10) to form an extension, the first water side port (21) and the second water side port (22) being located at the extension.

12. The integrated module of claim 9, wherein the second valve seat (20) is provided with a tank port connected to the internal liquid cooling flow path, the integrated module further comprising a makeup tank (70), the makeup tank (70) being secured to the second valve seat (20) and the tank port being connected.

13. The integrated module of claim 12, wherein the makeup tank (70) is located above the switching valve (50) and the water pump (60).

14. The integrated module according to any one of claims 8-13, characterized in that the first valve seat (10) is provided with a control valve group for communicating different ones of the refrigerant flow paths to form different refrigerant circuits and a throttle valve group for throttling and depressurizing refrigerant in the refrigerant circuits flowing therethrough, the control valve group having a first electrical connection port (17) and the throttle valve group having a second electrical connection port (18), the openings of the first electrical connection port (17) and the second electrical connection port (18) being the same.

15. The integrated module according to claim 14, characterized in that the opening of the first electrical connection port (17) is oriented in the same direction as the thickness of the first valve seat (10).

16. A thermal management system for a vehicle, comprising an integrated module according to any one of claims 1-15.

17. A vehicle comprising the thermal management system of claim 16.