Thermal management integrated module and thermal management system

Abstract

The utility model belongs to the technical field of thermal management of automobiles, and particularly relates to a thermal management integrated module and a thermal management system, the integrated module comprises a cooling liquid runner plate and a refrigerant runner plate; the cooling liquid flow channel plate and the refrigerant flow channel plate are arranged at intervals, a refrigerant control valve is fixedly arranged on the side, away from the cooling liquid flow channel plate, of the refrigerant flow channel plate, a refrigerant flow channel is formed in the refrigerant flow channel plate, and a cooling liquid control valve is fixedly arranged on the side, away from the refrigerant flow channel plate, of the cooling liquid flow channel plate. A cooling liquid runner is arranged on the cooling liquid runner plate; the heat management integration module forms eight refrigerant connectors on the side of the refrigerant runner plate and forms eight cooling liquid connectors on the side of the cooling liquid runner plate. According to the heat management integrated module, a plurality of parts in a heat management system are integrated together, so that the whole heat management system is compact in structure; eight cooling liquid interfaces and eight refrigerant interfaces are arranged in a centralized manner by the heat management integrated module, so that the heat management integrated module is convenient to mount and detect.

Description

Technical Field

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

[0002] In the existing thermal management system for automobiles, there are many components scattered in various positions. Each component is connected by a pipeline, and valves are arranged on the pipeline to control the on and off states of each component. Due to the relatively scattered components, not only a large installation space will be occupied, but also the assembly efficiency is low because the connection points of each component are distributed disorderly. Moreover, when a failure occurs, it is difficult to troubleshoot and repair. Summary of the Utility Model

[0003] In order to improve the problem of the scattered distribution of connection points of components in the thermal management system, the utility model provides a thermal management integrated module and a thermal management system.

[0004] According to an embodiment of the utility model, in the first aspect, a thermal management integrated module is provided. The thermal management integrated module is used to connect the air-conditioning pipeline, the front-end heat dissipation pipeline, the battery heat dissipation pipeline, and the cooler pipeline of the thermal management system of an automobile; the thermal management integrated module includes a coolant flow channel plate and a refrigerant flow channel plate;

[0005] The coolant flow channel plate and the refrigerant flow channel plate are arranged at intervals. A refrigerant control valve is fixedly arranged on one side of the refrigerant flow channel plate away from the coolant flow channel plate. The refrigerant flow channel plate is provided with a refrigerant flow channel so that the refrigerant in the air-conditioning pipeline can flow through the front-end heat dissipation pipeline and / or the battery heat dissipation pipeline and / or the cooler pipeline;

[0006] A coolant control valve is fixedly arranged on one side of the coolant flow channel plate away from the refrigerant flow channel plate. The coolant flow channel plate is provided with a coolant flow channel so that the coolant can flow through the front-end heat dissipation pipeline and / or the battery heat dissipation pipeline and / or the cooler pipeline and / or the electric drive heat dissipation pipeline;

[0007] The thermal management integrated module forms 8 refrigerant interfaces on the side of the refrigerant flow channel plate and 8 coolant interfaces on the side of the coolant flow channel plate.

[0008] In some embodiments, the refrigerant control valve includes a port A, a port B, a port C, a port D, a port E, a port F, a port G, a port H, and a port I. The port A, the port D, the port I, and the port G are exposed to the outside. The port A is used to communicate with the second end of the internal heat exchanger in the air-conditioning pipeline. The port D is used to communicate with the first end of the external heat exchanger in the front-end heat dissipation pipeline. The port I is used to communicate with the outlet end of the compressor and the first end of the internal heat exchanger in the air-conditioning pipeline. The port D is used to communicate with the first end of the external heat exchanger, and the port G is used to communicate with the second end of the external heat exchanger.

[0009] In some embodiments, the port B, the port C, the port E, the port F, and the port H are connected to the refrigerant flow channel plate. The refrigerant flow channel plate is provided with refrigerant flow channels and refrigerant interfaces. The port B is connected to the first end of the second heat exchange plate of the battery heat exchanger in the battery heat dissipation pipeline through a first refrigerant flow channel. The second end of the second heat exchange plate is connected to the port C through a second refrigerant flow channel. The port E is connected to the inlet end of the gas-liquid separator in the air-conditioning pipeline through a third refrigerant flow channel. The outlet end of the gas-liquid separator is exposed to the outside to be connected to the inlet end of the compressor.

[0010] The port F is respectively connected to the inlet ends of the first expansion valve, the second expansion valve, and the third expansion valve in the air-conditioning pipeline through a fourth refrigerant flow channel. The outlet end of the first expansion valve is connected to the inlet end of the front evaporator in the air-conditioning pipeline through a first refrigerant interface. The outlet end of the second expansion valve is sequentially connected to the inlet end of the rear evaporator in the air-conditioning pipeline through a solenoid valve and a second refrigerant interface. The outlet end of the third expansion valve is connected to the first end of the second cooling plate in the cooler pipeline through a fifth refrigerant flow channel. The second end of the second cooling plate is connected to the inlet end of the gas-liquid separator through a sixth refrigerant flow channel.

[0011] In some embodiments, when the heat management system is in heating mode, the port A is connected to the port B, the port C is connected to the port F, the port D is connected to the port E, and the port G is connected to the port H. When the heat management system is in cooling mode, the port B, the port C, the port E, and the port H are disconnected. The port A and the port I are connected to the port D, and the port G is connected to the port F.

[0012] In some embodiments, the coolant control valve includes a fixed valve body and a rotatable valve core. The valve body is provided with an α valve port, a β valve port, a γ valve port, a δ valve port, an ε valve port, a ζ valve port, and an η valve port. The valve core is provided with a valve passage to connect different valve ports during rotation. The coolant flow channel plate is provided with a coolant interface and a coolant flow channel;

[0013] The α valve port is connected to the second end of the low-temperature radiator for front-end heat dissipation return through a first coolant interface and a first coolant flow channel. The β valve port is connected to the first end of the low-temperature radiator through a second coolant interface and a second coolant flow channel;

[0014] The γ valve port is connected to the first end of the electric drive heat dissipation pipeline through a third coolant interface and a third coolant flow channel. The second coolant flow channel is connected to the second end of the electric drive heat dissipation pipeline through a fourth coolant interface and a fourth coolant flow channel, and the fourth coolant flow channel passes through a water pump;

[0015] The δ valve port is connected to the first end of the first cooling plate in the cooler pipeline through a fifth coolant flow channel. The ε valve port is connected to the second end of the first cooling plate through a sixth coolant flow channel; The ζ valve port is connected to the first end of the battery cold plate in the battery heat dissipation pipeline through a fifth coolant interface and a seventh coolant flow channel. The η valve port is connected to the second end of the heat pump in the battery heat dissipation pipeline through a sixth coolant interface and an eighth coolant flow channel;

[0016] The first end of the first heat exchange plate of the battery heat exchanger in the battery heat dissipation pipeline forms a seventh coolant interface and is connected to the second end of the battery cold plate in the battery heat dissipation pipeline. The second end of the first heat exchange plate forms an eighth coolant interface and is connected to the first end of the heat pump.

[0017] In some embodiments, the battery heat exchanger in the battery heat dissipation pipeline, the first cooling plate and the second cooling plate in the cooler pipeline, and the gas-liquid separator in the air-conditioning pipeline are clamped between the refrigerant flow channel plate and the coolant flow channel plate.

[0018] In some embodiments, the water pump in the electric drive heat dissipation pipeline is fixed on the side of the coolant flow channel plate away from the refrigerant flow channel plate.

[0019] In some embodiments, a first temperature detector is provided on the fourth refrigerant flow channel to detect the temperature of the refrigerant.

[0020] In some embodiments, a second temperature detector is provided on the third coolant flow channel, and a third temperature detector is provided on the seventh coolant flow channel to detect the temperature of the coolant.

[0021] According to an embodiment of the present invention, a second aspect provides a thermal management system, including:

[0022] A front-end heat dissipation pipeline, which includes an external heat exchanger and a low-temperature radiator;

[0023] An electric drive heat dissipation pipeline, which includes a water pump and a motor assembly connected in series, and the water pump is located on the liquid outlet end side of the motor assembly;

[0024] A battery heat dissipation pipeline, which includes a battery cold plate, a battery heat exchanger, and a heating pump connected in series in sequence. The battery heat exchanger includes a first heat exchange plate for passing coolant and a second heat exchange plate for passing refrigerant;

[0025] An air-conditioning pipeline, which includes a gas-liquid separator, a compressor, and an internal heat exchanger connected in series. The internal heat exchanger is connected with a front evaporator and a rear evaporator;

[0026] A cooler pipeline, which includes a first cooling plate for passing coolant and a second cooling plate for passing refrigerant; and

[0027] The aforementioned thermal management integration module.

[0028] In the thermal management integration module of the present invention, the refrigerant control valve is arranged on the outer side of the refrigerant flow channel plate, the coolant control valve is arranged on the outer side of the coolant flow channel plate, the battery heat exchanger in the battery heat dissipation pipeline, the first cooling plate and the second cooling plate in the cooler pipeline, and the gas-liquid separator in the air-conditioning pipeline are clamped between the refrigerant flow channel plate and the coolant flow channel plate. The water pump in the electric drive heat dissipation pipeline is fixed on the outer side of the coolant flow channel plate, making the structure of the entire thermal management system compact; the thermal management integration module centrally arranges 8 coolant interfaces on the side of the coolant flow channel plate and 8 refrigerant interfaces on the side of the refrigerant flow channel plate, facilitating installation and detection. BRIEF DESCRIPTION OF THE DRAWINGS

[0029] Figure 1 is a schematic structural diagram of the thermal management system of this embodiment;

[0030] Figure 2 is a schematic structural diagram of the thermal management integration module of this embodiment from the first perspective;

[0031] Figure 3 is a schematic structural diagram of the thermal management integration module of this embodiment from the second perspective;

[0032] Figure 4 is a schematic structural diagram of the thermal management integration module of this embodiment from the third perspective;

[0033] Figure 5 is a schematic structural diagram of the coolant control valve of this embodiment;

[0034] Figure 6 This is a schematic structural diagram of the refrigerant control valve according to this embodiment.

[0035] In the figure: refrigerant flow channel plate 100; first refrigerant interface 111; second refrigerant interface 112; third refrigerant interface 113; first refrigerant flow channel 121; second refrigerant flow channel 122; third refrigerant flow channel 123; fourth refrigerant flow channel 124; fifth refrigerant flow channel 125; sixth refrigerant flow channel 126; seventh refrigerant flow channel 127; coolant flow channel plate 200; first coolant interface 211; second coolant interface 212; third coolant interface 213; fourth coolant interface 214; fifth coolant interface 215; sixth coolant interface 216; seventh coolant interface 217; eighth coolant interface 218; first coolant flow channel 221; second coolant flow channel 222; third coolant flow channel 223; fourth coolant flow channel 224; fifth coolant flow channel 225; sixth coolant flow channel 226; seventh coolant flow channel 227; eighth coolant flow channel 228; refrigerant control valve 300; coolant control valve 310; solenoid valve 320; first temperature detector 330; second temperature detector 340; third temperature detector 350; water pump 400; battery heat exchanger 500; first heat exchange plate 511; second heat exchange plate 512; gas-liquid separator 600; first expansion valve 611; second expansion valve 612; third expansion valve 613; first cooling plate 710; second cooling plate 720. Specific embodiments

[0036] In order to make the objectives, technical solutions and advantages of the present utility model clearer, the present utility model will be further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are only used to explain the present utility model and are not used to limit the present utility model.

[0037] The structures, ratios, sizes, etc. shown in the drawings of this specification are only used to cooperate with the content disclosed in the specification for those familiar with this technology to understand and read, and are not used to limit the conditions under which the present utility model can be implemented. Any modification of the structure, change of the proportional relationship or adjustment of the size, without affecting the effects that the present utility model can produce and the objectives that can be achieved, should still fall within the scope that can be covered by the technical content disclosed in the present utility model.

[0038] The orientation or positional relationship indicated by terms such as "upper", "lower", "left", "right", "middle", "longitudinal", "lateral", "horizontal", "inner", "outer", "radial", "circumferential", etc. cited in this specification is based on the orientation or positional relationship shown in the drawings, and is only for the convenience of simplified 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 thus should not be construed as a limitation on the present utility model. In addition, the terms "first" and "second" are only used for descriptive purposes and cannot be construed as indicating or implying relative importance.

[0039] As Figure 1 shown, this embodiment provides a thermal management system, which is configured in an automobile. The thermal management system includes a front-end heat dissipation pipeline, a battery heat dissipation pipeline, an electric drive heat dissipation pipeline, an air-conditioning pipeline, a cooler pipeline, and a thermal management integration module for connection.

[0040] The front-end heat dissipation pipeline of this embodiment includes an external heat exchanger, a low-temperature radiator, and an external fan disposed near the active intake grille. The external fan is used to form an air flow flowing through the external heat exchanger and the low-temperature radiator so that the air can fully exchange heat with the refrigerant in the external heat exchanger and the coolant in the low-temperature radiator.

[0041] The electric drive heat dissipation pipeline of this embodiment includes a motor assembly and a water pump 400 connected in series. The water pump 400 drives the coolant to flow through the motor assembly to adjust the temperature. The water pump 400 is located on the liquid outlet end side of the motor assembly. The motor assembly of this embodiment preferably includes a first motor and a second motor connected in parallel. A liquid cooling distribution device is provided at the liquid inlet end of the first motor, and a power pipeline and a throttle valve are arranged in parallel at the liquid inlet end of the second motor.

[0042] The battery heat dissipation pipeline of this embodiment includes a battery cold plate, a battery heat exchanger 500, and a heating pump connected in series in sequence. The heating pump can drive the coolant to circulate through the battery heat exchanger 500 and the battery cold plate to adjust the temperature of the battery pack. The battery heat exchanger 500 includes a first heat exchange plate 511 and a second heat exchange plate 512. The first end of the first heat exchange plate 511 is connected to the battery cold plate, the second end of the first heat exchange plate 511 is connected to the first end of the heating pump, and the coolant circulates in the battery cold plate and the first heat exchange plate 511 under the drive of the heating pump. The refrigerant introduced into the second heat exchange plate 512 exchanges heat with the coolant in the first heat exchange plate 511. In this embodiment, a heating pump is selected, so that the battery heat dissipation pipeline has a heating function, which is beneficial to the temperature adjustment of the battery pack.

[0043] The air-conditioning pipeline of this embodiment includes a compressor, a gas-liquid separator 600, an internal heat exchanger, a front evaporator, a rear evaporator, and a heater. The gas-liquid separator 600, the compressor, and the internal heat exchanger are arranged in series in sequence. The liquid outlet end of the gas-liquid separator 600 is connected to the liquid inlet end of the compressor, and the liquid inlet end of the gas-liquid separator 600 is connected to the liquid outlet ends of the front evaporator and the rear evaporator. The liquid inlet end of the internal heat exchanger is connected to the liquid outlet end of the compressor. A first expansion valve 611 is provided at the liquid inlet end of the front evaporator, and a second expansion valve 612 is provided at the liquid inlet end of the rear evaporator. The front evaporator and the rear evaporator are connected to the internal heat exchanger and the heater to cool or heat the passenger compartment.

[0044] The cooler pipeline of this embodiment includes a first cooling plate 710 and a second cooling plate 720. The first cooling plate 710 is used to pass coolant, and the second cooling plate 720 is used to pass refrigerant to exchange heat with the coolant in the first cooling plate 710. It should be noted that the structures of the front-end heat dissipation pipeline, the battery heat dissipation pipeline, the electric drive heat dissipation pipeline, the air-conditioning pipeline, and the cooler pipeline in this embodiment are all prior arts, and will not be elaborated in this embodiment.

[0045] The thermal management integration module of this embodiment includes a coolant flow channel plate 200 and a refrigerant flow channel plate 100. The coolant flow channel plate 200 and the refrigerant flow channel plate 100 are arranged at intervals, leaving a space between the coolant flow channel plate 200 and the refrigerant flow channel plate 100.

[0046] On the side of the refrigerant flow channel plate 100 away from the coolant flow channel plate 200, a refrigerant control valve 300 is fixedly arranged. On the side of the coolant flow channel plate 200 away from the refrigerant flow channel plate 100, a coolant control valve 310 and a water pump 400 are fixedly arranged. The cooler in the cooler pipeline, the battery heat exchanger 500 in the battery heat dissipation pipeline, and the gas-liquid separator 600 in the air-conditioning pipeline are clamped between the coolant flow channel plate 200 and the refrigerant flow channel plate 100, making the structure in the entire thermal management system compact.

[0047] The refrigerant control valve 300 of this embodiment is communicated with the refrigerant flow channel plate 100. The air-conditioning pipeline is connected to the front-end heat dissipation pipeline, the battery heat dissipation pipeline, and the cooler pipeline through the refrigerant control valve 300 and the refrigerant flow channel plate 100. By opening and closing different valve ports of the refrigerant control valve 300, the refrigerant can flow through the front-end heat dissipation pipeline and / or the battery heat dissipation pipeline and / or the cooler pipeline to achieve different refrigerant circulation modes.

[0048] The coolant control valve 310 of this embodiment is connected to the coolant flow channel plate 200. The front-end heat dissipation pipeline, the battery heat dissipation pipeline, the cooler pipeline, and the electric drive heat dissipation pipeline are connected through the coolant control valve 310 and the coolant flow channel plate 200. By opening and closing different valve ports of the coolant control valve 310, the refrigerant can flow through the front-end heat dissipation pipeline and / or the battery heat dissipation pipeline and / or the cooler pipeline and the electric drive heat dissipation pipeline to achieve different coolant circulation modes.

[0049] Specifically, refer to Figures 2 - 5 and Figure 6 In this embodiment, the refrigerant control valve 300 specifically includes valve ports A, B, C, D, E, F, G, H, and I. The valve ports A, D, I, and G of the refrigerant control valve 300 are exposed to the outside. Among them, the valve port A is used to communicate with the second end of the internal heat exchanger, the valve port D is used to communicate with the first end of the external heat exchanger, the valve port I is used to communicate with the outlet end of the compressor and the first end of the internal heat exchanger; the valve port G is used to communicate with the second end of the external heat exchanger.

[0050] The valve ports B, C, E, F, and H of the refrigerant control valve 300 of this embodiment are connected to the refrigerant flow channel plate 100. Multiple refrigerant flow channels are designed on the refrigerant flow channel plate 100 to connect each component. Among them, the valve port B is connected to the first end of the second heat exchange plate 512 of the battery heat exchanger 500 through the first refrigerant flow channel 121, and the second end of the second heat exchange plate 512 is connected to the valve port C through the second refrigerant flow channel 122. The valve port E is connected to the inlet end of the gas-liquid separator 600 through the third refrigerant flow channel 123, and the outlet end of the gas-liquid separator 600 is exposed to the outside to be connected to the inlet end of the compressor.

[0051] The valve port F of this embodiment is respectively connected to the inlet ends of the first expansion valve 611, the second expansion valve 612, and the third expansion valve 613 through the fourth refrigerant flow channel 124. The outlet end of the first expansion valve 611 is connected to the inlet end of the front evaporator through the first refrigerant interface 111. The outlet end of the second expansion valve 612 is sequentially connected to the inlet end of the rear evaporator through the solenoid valve 320 and the second refrigerant interface 112. The outlet end of the third expansion valve 613 is connected to the first end of the second cooling plate 720 in the cooler pipeline through the fifth refrigerant flow channel 125, and the second end of the second cooling plate 720 is connected to the inlet end of the gas-liquid separator 600 through the sixth refrigerant flow channel 126. A third refrigerant interface 113 is also provided on the refrigerant flow channel plate 100 of this embodiment, and the third refrigerant interface 113 is connected to the sixth refrigerant flow channel 126 through the seventh refrigerant flow channel 127.

[0052] When the heat management system is heating, the A valve port is connected to the B valve port, the C valve port is connected to the F valve port, the D valve port is connected to the E valve port, and the G valve port is connected to the H valve port. The internal heat exchanger of the air-conditioning pipeline first outputs the refrigerant through the battery pipeline. The refrigerant in the battery pipeline can enter the cooling pipeline and / or the front evaporator and / or the rear evaporator of the air-conditioning pipeline and / or the external heat exchanger of the front-end heat dissipation pipeline according to requirements, and finally returns to the gas-liquid separator 600 of the air-conditioning pipeline.

[0053] When the heat management system is cooling, the B valve port, the C valve port, the E valve port, and the H valve port are disconnected. The A valve port and the I valve port are connected to the D valve port, and the G valve port is connected to the F valve port. The internal heat exchanger of the air-conditioning pipeline first outputs the refrigerant, which can pass through the internal heat exchanger of the air-conditioning pipeline and / or the second heat exchange plate 512 of the battery pipeline and / or the external heat exchanger of the front-end heat dissipation pipeline and / or the second cooling plate 720 of the cooler pipeline and / or the front evaporator and / or the rear evaporator according to requirements, and finally returns to the gas-liquid separator 600 of the air-conditioning return.

[0054] The heat management integration module of this embodiment has 8 refrigerant interfaces on the refrigerant side, which specifically include the A valve port, the D valve port, the I valve port, and the B valve port formed on the refrigerant control valve, the outlet end of the gas-liquid separator 600, the first refrigerant interface 111, the second refrigerant interface 112, and the third refrigerant interface 113 formed on the refrigerant flow channel plate 100. The 8 refrigerant interfaces facilitate assembly and maintenance.

[0055] The coolant control valve 310 of this embodiment specifically includes a fixed valve body and a rotatable valve core. By rotating the valve core of the coolant control valve 310 to different angles, the valve core is provided with a valve passage to connect different valve ports during rotation, and multiple coolant circulation modes can be realized. The coolant circulation modes include:

[0056] Battery pack - electric drive circulation mode, the coolant can circulate in the battery heat dissipation pipeline and the electric drive heat dissipation pipeline; Battery pack - cooler circulation mode, the coolant can circulate in the battery heat dissipation pipeline and the cooler pipeline; Battery pack - cooler circulation and battery pack self-circulation mode, the coolant can circulate in the electric drive heat dissipation pipeline and the cooler pipeline and self-circulate in the battery heat dissipation pipeline; Battery pack - front-end heat dissipation - electric drive circulation mode, the coolant can circulate in the battery heat dissipation pipeline, the front-end heat dissipation pipeline, and the electric drive heat dissipation pipeline; Battery pack - cooler circulation and electric drive self-circulation mode, the coolant can circulate in the battery heat dissipation pipeline and the cooler pipeline and self-circulate in the electric drive heat dissipation pipeline.

[0057] Specifically, refer to Figures 2 - 5, in the valve body of this embodiment, there are formed an α valve port, a β valve port, a γ valve port, a δ valve port, an ε valve port, a ζ valve port and an η valve port. The coolant flow channel plate 200 is connected to the second end of the low-temperature radiator by the first coolant interface 211 and the first coolant flow channel 221 to connect the α valve port, and the coolant flow channel plate 200 is connected to the first end of the low-temperature radiator by the second coolant interface 212 and the second coolant flow channel 222. The coolant flow channel plate 200 is connected to the first end of the electric drive heat dissipation pipeline by the third coolant interface 213 and the third coolant flow channel 223, and the coolant flow channel plate 200 is connected to the second end of the second coolant flow channel 222 and the electric drive heat dissipation pipeline by the fourth coolant interface 214 and the fourth coolant flow channel 224. The fourth coolant flow channel 224 flows through the water pump 400. The coolant flow channel plate 200 is connected to the first end of the first cooling plate 710 by the fifth coolant flow channel 225 to connect the δ valve port, and the coolant flow channel plate 200 is connected to the second end of the first cooling plate 710 by the sixth coolant flow channel 226 to connect the ε valve port. The coolant flow channel plate 200 is connected to the first end of the battery cold plate by the fifth coolant interface 215 and the seventh coolant flow channel 227 to connect the ζ valve port, and the coolant flow channel plate 200 is connected to the second end of the heat pump by the sixth coolant interface 216 and the eighth coolant flow channel 228 to connect the η valve port. The first end of the first heat exchange plate 511 of the battery heat exchanger 500 forms a seventh coolant interface 217 to connect the second end of the battery cold plate, and the second end of the first heat exchange plate 511 forms an eighth coolant interface 218 to connect the first end of the heat pump.

[0058] The thermal management integrated module of this embodiment has 8 coolant interfaces on the coolant side, which specifically include the first to sixth coolant interfaces 216 formed on the coolant flow channel plate 200, and the seventh coolant interface 217 and the eighth coolant interface 218 formed on the first heat exchange plate 511 of the battery heat exchanger 500. The 8 coolant interfaces facilitate the assembly and maintenance on the coolant side.

[0059] The thermal management integrated module of this embodiment arranges the refrigerant control valve 300 on the outer side of the refrigerant flow channel plate 100, arranges the coolant control valve 310 on the outer side of the coolant flow channel plate 200, clamps the battery heat exchanger 500 in the battery heat dissipation pipeline, the first cooling plate 710 and the second cooling plate 720 in the cooler pipeline, and the gas-liquid separator 600 in the air-conditioning pipeline between the refrigerant flow channel plate 100 and the coolant flow channel plate 200, and fixes the water pump 400 in the electric drive heat dissipation pipeline on the outer side of the coolant flow channel plate 200, making the structure of the entire thermal management system compact; the thermal management integrated module centrally arranges the 8 coolant interfaces on the side of the coolant flow channel plate 200 and centrally arranges the 8 refrigerant interfaces on the side of the refrigerant flow channel plate 100 for easy installation and detection.

[0060] A first temperature detector 330 is provided on the fourth refrigerant flow channel 124 of this embodiment to detect the temperature of the refrigerant, a second temperature detector 340 is provided on the third coolant flow channel 223, and a third temperature detector 350 is provided on the seventh coolant flow channel 227 to detect the temperature of the coolant, so as to ensure the accurate temperature of the medium in the entire thermal management system.

[0061] The technical features of the above embodiments can be combined arbitrarily. For the sake of brevity of description, not all possible combinations of the technical features in the above embodiments are described. However, as long as there is no contradiction in the combination of these technical features, it should be considered as the scope described in this specification.

[0062] The above-described embodiments merely represent several implementation manners of the present invention, and the description thereof is relatively specific and detailed. However, it should not be construed as a limitation to the scope of the utility model patent. It should be noted that for those of ordinary skill in the art, without departing from the concept of the present invention, several modifications and improvements can still be made, and these all belong to the protection scope of the present invention. Therefore, the protection scope of the utility model patent shall be subject to the appended claims.

Claims

1. A thermal management integrated module, the thermal management integrated module is used to connect the air conditioning pipeline, the front end heat dissipation pipeline, the battery heat dissipation pipeline and the cooler pipeline of the thermal management system of an automobile; the thermal management integrated module comprises a coolant flow channel plate (200) and a refrigerant flow channel plate (100), characterized in that: The coolant flow channel plate (200) and the refrigerant flow channel plate (100) are arranged at intervals, a refrigerant control valve (300) is fixedly arranged on a side of the refrigerant flow channel plate (100) away from the coolant flow channel plate, and a refrigerant flow channel is provided on the refrigerant flow channel plate (100) so that the refrigerant in the air conditioning pipeline can flow through the front end heat dissipation pipeline and / or the battery heat dissipation pipeline and / or the cooler pipeline; A coolant control valve (310) is fixedly arranged on one side of the coolant flow channel plate (200) away from the refrigerant flow channel plate (100), and a coolant flow channel is arranged on the coolant flow channel plate (200) so that the coolant can flow through the front end heat dissipation pipeline and / or the battery heat dissipation pipeline and / or the cooler pipeline and / or the electric drive heat dissipation pipeline; The thermal management integrated module forms eight refrigerant interfaces on the refrigerant flow channel plate (100) side, and forms eight cooling liquid interfaces on the cooling liquid flow channel plate (200) side.

2. The thermal management integrated module according to claim 1, characterized in that: The refrigerant control valve (300) comprises an A valve port, a B valve port, a C valve port, a D valve port, an E valve port, a F valve port, a G valve port, an H valve port and an I valve port, wherein the A valve port, the D valve port, the I valve port and the G valve port are exposed to the outside, the A valve port is used to connect to the second end of the internal heat exchanger in the air-conditioning pipeline, the D valve port is used to connect to the first end of the external heat exchanger in the front-end heat dissipation pipeline, the I valve port is used to connect to the outlet end of the compressor in the air-conditioning pipeline and the first end of the internal heat exchanger; the D valve port is used to connect to the first end of the external heat exchanger, and the G valve port is used to connect to the second end of the external heat exchanger.

3. The thermal management integrated module according to claim 2, characterized in that: The B valve port, the C valve port, the E valve port, the F valve port and the H valve port are connected to the refrigerant flow channel plate (100), and the refrigerant flow channel and the refrigerant interface are provided on the refrigerant flow channel plate (100). The B valve port is connected to the first end of the second heat exchange plate (512) of the battery heat exchanger (500) in the battery heat dissipation pipeline through the first refrigerant flow channel (121), and the second end of the second heat exchange plate (512) is connected to the C valve port through the second refrigerant flow channel (122). The E valve port is connected to the inlet end of the gas-liquid separator (600) in the air conditioning pipeline through the third refrigerant flow channel (123), and the outlet end of the gas-liquid separator (600) is exposed to the outside to be connected to the inlet end of the compressor; The F valve port is connected to the inlet ends of the first expansion valve (611), the second expansion valve (612) and the third expansion valve (613) in the air-conditioning pipeline respectively through the fourth refrigerant flow channel (124); the outlet end of the first expansion valve (611) is connected to the inlet end of the front evaporator in the air-conditioning pipeline through the first refrigerant interface (111); the outlet end of the second expansion valve (612) is connected to the inlet end of the rear evaporator in the air-conditioning pipeline through the solenoid valve (320) and the second refrigerant interface (112) in turn; the outlet end of the third expansion valve (613) is connected to the first end of the second cooling plate (720) in the cooler pipeline through the fifth refrigerant flow channel (125), and the second end of the second cooling plate (720) is connected to the inlet end of the gas-liquid separator (600) through the sixth refrigerant flow channel (126).

4. The thermal management integrated module according to claim 3, characterized in that: When the thermal management system is heating, the A valve port is connected to the B valve port, the C valve port is connected to the F valve port, the D valve port is connected to the E valve port, and the G valve port is connected to the H valve port; when the thermal management system is cooling, the B valve port, the C valve port, the E valve port and the H valve port are disconnected, the A valve port and the I valve port are connected to the D valve port, and the G valve port is connected to the F valve port.

5. The thermal management integrated module according to claim 1, characterized in that: The coolant control valve (310) comprises a fixed valve body and a rotatable valve core, the valve body is provided with an α valve port, a β valve port, a γ valve port, a δ valve port, an ε valve port, a ζ valve port and an η valve port, the valve core is provided with a valve channel for connecting different valve ports during rotation, and the coolant flow channel plate (200) is provided with a coolant interface and a coolant flow channel; The α valve port is connected to the second end of the low-temperature radiator in the front-end heat dissipation pipeline through a first coolant interface (211) and a first coolant flow channel (221), and the β valve port is connected to the first end of the low-temperature radiator through a second coolant interface (212) and a second coolant flow channel (222); The γ valve port is connected to the first end of the electric drive heat dissipation pipeline through a third coolant interface (213) and a third coolant flow channel (223); the second coolant flow channel (222) is connected to the second end of the electric drive heat dissipation pipeline through a fourth coolant interface (214) and a fourth coolant flow channel (224); and the fourth coolant flow channel (224) flows through a water pump (400); The δ valve port is connected to the first end of the first cooling plate (710) in the cooler pipeline through the fifth coolant flow channel (225), and the ε valve port is connected to the second end of the first cooling plate (710) through the sixth coolant flow channel (226); the ζ valve port is connected to the first end of the battery cold plate in the battery heat dissipation pipeline through the fifth coolant interface (215) and the seventh coolant flow channel (227), and the η valve port is connected to the second end of the heating pump in the battery heat dissipation pipeline through the sixth coolant interface (216) and the eighth coolant flow channel (228); The first end of the first heat exchange plate (511) of the battery heat exchanger (500) in the battery heat dissipation pipeline forms a seventh coolant interface (217) connected to the second end of the battery cold plate in the battery heat dissipation pipeline, and the second end of the first heat exchange plate (511) forms an eighth coolant interface (218) connected to the first end of the heating pump.

6. The thermal management integrated module according to any one of claims 1 to 5, characterized in that: The battery heat exchanger (500) in the battery heat dissipation pipeline, the first cooling plate (710) and the second cooling plate (720) in the cooler pipeline, and the gas-liquid separator (600) in the air conditioning pipeline are sandwiched between the refrigerant flow channel plate (100) and the coolant flow channel plate (200).

7. The thermal management integrated module according to claim 6, characterized in that: The water pump (400) in the electric drive heat dissipation pipeline is fixed to a side of the coolant flow channel plate (200) away from the refrigerant flow channel plate (100).

8. The thermal management integrated module according to claim 3, characterized in that: The fourth refrigerant flow channel (124) is provided with a first temperature detector (330) for detecting the temperature of the refrigerant.

9. The thermal management integrated module according to claim 5, characterized in that: The third coolant flow channel (223) is provided with a second temperature detector (340), and the seventh coolant flow channel (227) is provided with a third temperature detector (350) for detecting the temperature of the coolant.

10. A thermal management system, characterized in that: include: A front end heat dissipation pipeline, which includes an external heat exchanger and a low temperature radiator; An electric drive heat dissipation pipeline comprises a water pump (400) and a motor assembly connected in series, wherein the water pump (400) is located at a liquid outlet side of the motor assembly; A battery heat dissipation pipeline, comprising a battery cold plate, a battery heat exchanger (500) and a heat pump connected in series in sequence, wherein the battery heat exchanger (500) comprises a first heat exchange plate (511) for passing a coolant and a second heat exchange plate (512) for passing a refrigerant; An air conditioning pipeline, comprising a gas-liquid separator (600), a compressor and an internal heat exchanger connected in series, wherein the internal heat exchanger is connected to a front evaporator and a rear evaporator; A cooler pipeline, comprising a first cooling plate (710) for passing a cooling liquid and a second cooling plate (720) for passing a refrigerant; and The thermal management integrated module according to any one of claims 1 to 9.

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