Heat integration module and heat management system of automobile

Abstract

The utility model belongs to the technical field of thermal management of automobiles, and particularly relates to a thermal integration module and a thermal management system of an automobile, the thermal integration 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 integration module forms seven 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 integration module, a plurality of parts in the heat management system are integrated together, so that the whole heat management system is compact in structure; according to the heat integration module, eight cooling liquid connectors and seven refrigerant connectors are arranged in a centralized mode, so that installation and detection are facilitated.

Description

Technical Field

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

[0002] Existing automotive thermal management systems have numerous components dispersed throughout the system. These components are connected by pipes, with valves installed on these pipes controlling their connection and disconnection. This disparate arrangement of components not only occupies a large installation space, but also results in inefficient assembly due to the scattered connection points. Furthermore, troubleshooting and repairing malfunctions can be challenging. Utility Model Content

[0003] In order to improve the problem of scattered connection points of components of a thermal management system, the utility model provides a thermal integration module and a thermal management system for an automobile.

[0004] According to an embodiment of the present invention, a first aspect provides a thermal integration module for connecting the air conditioning pipeline, front-end heat dissipation pipeline, battery heat dissipation pipeline, and internal cooling pipeline of a thermal management system of an automobile; the thermal integration 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 spaced apart from each other, a refrigerant control valve is fixedly provided on a side of the refrigerant flow channel plate away from the coolant flow channel plate, and a refrigerant flow channel is provided on the refrigerant flow channel plate 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 internal cooling pipeline;

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

[0007] The heat integration module forms 7 refrigerant interfaces on the refrigerant flow channel plate side and 8 coolant interfaces on the coolant flow channel plate side.

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

[0009] In some embodiments, the B valve port, the C valve port, the E valve port, the F valve port, and the H valve port of the refrigerant control valve are connected to the refrigerant flow channel plate; the refrigerant flow channel and the refrigerant interface are provided on the refrigerant flow channel plate, the B valve port is connected to the C valve port after passing through the first refrigerant flow channel and the second heat exchange plate 5 of the battery heat exchanger in the battery heat dissipation pipeline; the E valve port is connected to the inlet end of the gas-liquid separator in the air-conditioning pipeline through the second refrigerant flow channel, and the outlet end of the gas-liquid separator is exposed to the outside to form a fourth refrigerant interface to be connected to the inlet end of the compressor in the air-conditioning pipeline;

[0010] The F valve port is connected to the inlet ends of the first expansion valve, the second expansion valve and the third expansion valve in the air-conditioning pipeline respectively through the third refrigerant flow channel, and the outlet end of the first expansion valve is connected to the inlet end of the front evaporator in the air-conditioning pipeline through the first refrigerant interface; the outlet end of the second expansion valve is connected to the H valve port through the fourth refrigerant flow channel, and is connected to the inlet end of the rear evaporator in the air-conditioning pipeline through the fifth refrigerant flow channel via the solenoid valve and the second refrigerant interface; the outlet end of the third expansion valve is connected to the first end of the second cooling plate of the internal cooling pipeline through the sixth refrigerant flow channel; a third refrigerant interface is also provided on the refrigerant flow channel plate, and the third refrigerant interface is connected to the second refrigerant flow channel through the seventh refrigerant flow channel, and the second end of the second cooling plate is connected to the seventh refrigerant flow channel through the eighth refrigerant flow channel.

[0011] In some embodiments, when the thermal management system is heating, the valve port A is connected to the valve port B, the valve port C is connected to the valve port F, the valve port D is connected to the valve port E, and the valve port G is connected to the valve port H; when the thermal management system is cooling, the valve port B, the valve port C, the valve port E and the valve port H are disconnected, the valve port A is connected to the valve port D, and the valve port G is connected to the valve 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 channel for connecting different valve ports during rotation, and 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 first end of the low-temperature radiator in the front-end heat dissipation pipeline through the first coolant interface and the first coolant flow channel, and the β valve port is connected to the second end of the low-temperature radiator through the second coolant interface and the second coolant flow channel;

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

[0015] The δ valve port is connected to the second end of the heat pump in the battery heat dissipation pipeline through a fifth coolant interface and a fifth coolant flow channel, and the ε valve port is connected to the first end of the battery cold plate in the battery heat dissipation pipeline through a sixth coolant interface and a sixth coolant flow channel;

[0016] The ζ valve port is connected to the first end of the first cooling plate in the internal cooling pipeline through the seventh coolant flow channel, and the η valve port is connected to the second end of the first cooling plate through the eighth coolant flow channel; 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 connected to the second end of the battery cold plate, and the second end of the first heat exchange plate forms an eighth coolant interface connected to the first end of the heat pump.

[0017] In some embodiments, the battery heat exchanger in the battery heat dissipation pipeline, the cooler in the internal cooling pipeline, and the gas-liquid separator in the air-conditioning pipeline are sandwiched 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 to a side of the coolant flow channel plate away from the refrigerant flow channel plate.

[0019] In some embodiments, the thermal integration module further includes a reinforcing plate, which is located on one side of the thermal integration module for connecting to the vehicle body, and the two sides of the reinforcing plate are connected to the refrigerant flow channel plate and the coolant flow channel plate arranged at intervals.

[0020] In some embodiments, the thermal integration module further includes a reinforcing bracket, which is located on the other side of the thermal integration module, and the two ends of the reinforcing bracket are connected to the refrigerant flow channel plate and the coolant flow channel plate that are spaced apart.

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

[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, comprising a water pump and a motor assembly connected in series, wherein the water pump is located at the liquid outlet side of the motor assembly;

[0024] A battery heat dissipation circuit, comprising a battery cold plate, a battery heat exchanger, and a heat pump connected in series, wherein the battery heat exchanger comprises a first heat exchange plate for passing coolant and a second heat exchange plate for passing refrigerant;

[0025] An air conditioning circuit comprising a gas-liquid separator, 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;

[0026] an internal cooling circuit comprising a cooler comprising a first cooling plate for passing a cooling liquid and a second cooling plate for passing a refrigerant; and

[0027] The aforementioned thermal integration module.

[0028] The thermal integration module of the utility model arranges the refrigerant control valve on the outward side of the refrigerant flow channel plate, arranges the coolant control valve on the outward side of the coolant flow channel plate, clamps 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 between the refrigerant flow channel plate and the coolant flow channel plate, and fixes the water pump in the electric drive heat dissipation pipeline on the outward side of the coolant flow channel plate, so that the structure of the entire thermal management system is compact; the thermal integration module concentrates 8 coolant interfaces on the coolant flow channel plate side and 7 refrigerant interfaces on the refrigerant flow channel plate side to facilitate installation and testing. BRIEF DESCRIPTION OF THE DRAWINGS

[0029] Figure 1 Schematic diagram of the structure of the thermal management system of this embodiment;

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

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

[0032] Figure 4 3 is a schematic structural diagram of the heat integration module of this embodiment from a third perspective;

[0033] Figure 5 Schematic diagram of the structure of the coolant control valve of this embodiment;

[0034] Figure 6 Schematic diagram of the structure of the refrigerant control valve of this embodiment.

[0035] In the figure: refrigerant flow channel plate 100; first refrigerant interface 111; second refrigerant interface 112; third refrigerant interface 113; fourth refrigerant interface 114; 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; eighth refrigerant flow channel 128; 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; 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; eighth coolant flow channel 229; 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 510; second heat exchange plate 520; gas-liquid separator 600; first expansion valve 611; second expansion valve 612; third expansion valve 613; cooler 700, first cooling plate 710; second cooling plate 720; reinforcement plate 800; reinforcement bracket 810. DETAILED DESCRIPTION

[0036] In order to make the purpose, technical solutions and advantages of the present invention more clearly understood, the present invention is 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 invention and are not intended to limit the present invention.

[0037] The structures, proportions, sizes, etc. depicted in the drawings of this specification are only used to match the contents disclosed in the specification so as to facilitate understanding and reading by people familiar with this technology. They are not intended to limit the conditions under which the present invention can be implemented. Any structural modifications, changes in proportional relationships, or adjustments in size should still fall within the scope of the technical contents disclosed in this utility model without affecting the effects and objectives that can be achieved by the present utility model.

[0038] Terms such as "upper," "lower," "left," "right," "center," "longitudinal," "transverse," "horizontal," "inner," "outer," "radial," and "circumferential" used in this specification to indicate positions or locations are based on those shown in the accompanying drawings and are intended solely for ease of description. They do not indicate or imply that the devices or components referred to must have, be constructed, or operate in a specific orientation, and therefore should not be construed as limitations on the present invention. Furthermore, the terms "first" and "second" are used for descriptive purposes only and should not be construed as indicating or implying relative importance.

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

[0040] The front-end heat dissipation circuit of this embodiment includes an external heat exchanger located near the active air intake grille, a low-temperature radiator, and an external fan. The external fan is used to generate airflow through the external heat exchanger and the low-temperature radiator, enabling efficient heat exchange between the air and the refrigerant in the external heat exchanger and the coolant in the low-temperature radiator.

[0041] The electric drive cooling system of this embodiment includes a motor assembly and a water pump 400 connected in series. The water pump 400 drives coolant through the motor assembly to regulate its temperature. The water pump 400 is located at the liquid outlet of the motor assembly. The motor assembly of this embodiment preferably includes a first motor and a second motor connected in parallel. The liquid inlet of the first motor is equipped with a liquid cooling distribution device, and the liquid inlet of the second motor is connected to the power pipeline and throttle valve in parallel.

[0042] The battery heat dissipation circuit of this embodiment includes a battery cold plate, a battery heat exchanger 500, and a heating pump connected in series. The heating pump can drive the coolant to circulate through the battery heat exchanger 500 and the battery cold plate to regulate the temperature of the battery pack. The battery heat exchanger 500 includes a first heat exchange plate 510 and a second heat exchange plate 520. The first end of the first heat exchange plate 510 is connected to the battery cold plate, and the second end of the first heat exchange plate 510 is connected to the first end of the heating pump. Driven by the heating pump, the coolant circulates in the battery cold plate and the first heat exchange plate 510. The refrigerant introduced into the second heat exchange plate 520 exchanges heat with the coolant in the first heat exchange plate 510. The use of a heating pump in this embodiment gives the battery heat dissipation circuit a heating function, which is beneficial to temperature regulation of the battery pack.

[0043] The air conditioning circuit of this embodiment includes a compressor, an air-liquid separator 600, an internal heat exchanger, a front evaporator, a rear evaporator, and a heater. The air-liquid separator 600, the compressor, and the internal heat exchanger are arranged in series. The liquid outlet of the air-liquid separator 600 is connected to the liquid inlet of the compressor, the liquid inlet of the air-liquid separator 600 is connected to the liquid outlets of the front and rear evaporators, and the liquid inlet of the internal heat exchanger is connected to the liquid outlet of the compressor. The liquid inlet of the front evaporator is equipped with a first expansion valve 611, and the liquid inlet of the rear evaporator is equipped with a second expansion valve 612. The front and rear evaporators are connected to the internal heat exchanger and heater to cool or heat the passenger compartment.

[0044] The internal cooling circuit of this embodiment includes a cooler 700, which specifically 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 circuit, battery heat dissipation circuit, electric drive heat dissipation circuit, air conditioning circuit, and internal cooling circuit of this embodiment are all conventional and will not be described in detail in this embodiment.

[0045] In this embodiment, a refrigerant control valve 300 is fixedly arranged on the side of the refrigerant flow channel plate 100 away from the coolant flow channel plate 200, and a coolant control valve 310 and a water pump 400 are fixedly arranged on the side of the coolant flow channel plate 200 away from the refrigerant flow channel plate 100. The cooler 700 in the internal cooling pipeline, the battery heat exchanger 500 in the battery heat dissipation pipeline, and the gas-liquid separator 600 in the air-conditioning pipeline are sandwiched between the coolant flow channel plate 200 and the refrigerant flow channel plate 100, making the structure of the entire thermal management system compact.

[0046] The refrigerant control valve 300 of this embodiment is connected to the refrigerant flow channel plate 100, and the air-conditioning pipeline is connected to the front-end heat dissipation pipeline, the battery heat dissipation pipeline and the internal cooling 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 internal cooling pipeline to achieve different refrigerant circulation modes.

[0047] In this embodiment, the coolant control valve 310 is connected to the coolant flow channel plate 200, and the front-end heat dissipation pipeline, battery heat dissipation pipeline, internal cooling pipeline and 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 battery heat dissipation pipeline and / or internal cooling pipeline and electric drive heat dissipation pipeline to achieve different coolant circulation modes.

[0048] See Figure 2-4 and Figure 6The refrigerant control valve 300 of this embodiment specifically includes valve port A, valve port B, valve port C, valve port D, valve port E, valve port F, valve port G, and valve port H. Valve port A, valve port D, and valve port G of the refrigerant control valve 300 are exposed to the outside. Valve port A is used to communicate with the second end of the internal heat exchanger, valve port D is used to communicate with the first end of the external heat exchanger, and valve port G is used to communicate with the second end of the external heat exchanger.

[0049] In this embodiment, the B, C, E, F, and H ports of the refrigerant control valve 300 are connected to the refrigerant flow channel plate 100, which is designed with multiple refrigerant flow channels to connect various components. The B port is connected to the C port via the first refrigerant flow channel 121, passing through the second heat exchange plate 520 of the battery heat exchanger 500. The E port is connected to the inlet of the gas-liquid separator 600 via the second refrigerant flow channel 122. The outlet of the gas-liquid separator 600 is exposed to the outside to form the fourth refrigerant interface 114, which is connected to the inlet of the compressor.

[0050] In this embodiment, the F valve port is connected to the inlets of the first expansion valve 611, the second expansion valve 612, and the third expansion valve 613, respectively, via the third refrigerant channel 123. The outlet of the first expansion valve 611 is connected to the inlet of the front evaporator via the first refrigerant port 111. The outlet of the second expansion valve 612 is connected to the H valve port via the fourth refrigerant channel 124 and to the inlet of the rear evaporator via the fifth refrigerant channel 125, via the solenoid valve 320, and the second refrigerant port 112. The outlet of the third expansion valve 613 is connected to the first end of the second cooling plate 720 via the sixth refrigerant channel 126. The refrigerant channel plate 100 of this embodiment is also provided with a third refrigerant port 113, which is connected to the second refrigerant channel 126 via the seventh refrigerant channel 127. The second end of the second cooling plate 720 is connected to the seventh refrigerant channel 127 via the eighth refrigerant channel 128.

[0051] When the thermal management system is heating, valve port A is connected to valve port B, valve port C is connected to valve port F, valve port D is connected to valve port E, and valve port G is connected to valve port H. 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 internal cooling pipeline and / or the front evaporator and / or rear evaporator of the air-conditioning pipeline and / or the external heat exchanger of the front-end heat dissipation pipeline according to demand, and finally flow back to the gas-liquid separator 600 of the air-conditioning pipeline.

[0052] When the thermal management system is cooling, valve ports B, C, E and H are disconnected, valve port A is connected to valve port D, and valve port G is connected to valve port F. 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 520 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 internal cooling pipeline and / or the front evaporator and / or the rear evaporator as needed, and finally return to the gas-liquid separator 600 of the air-conditioning return flow.

[0053] The thermal integration module of this embodiment has 7 refrigerant interfaces on the refrigerant side, which specifically include valve port A, valve port D and valve port G formed on the refrigerant control valve, a first refrigerant interface 111, a second refrigerant interface 112 and a third refrigerant interface 113 formed on the refrigerant flow channel plate 100, and a fourth refrigerant interface 114 formed at the outlet end of the gas-liquid separator 600. The 7 refrigerant interfaces are convenient for assembly and maintenance.

[0054] The coolant control valve 310 of this embodiment specifically includes a fixed valve body and a rotatable valve core. The valve core of the coolant control valve 310 is controlled to rotate to different angles. A valve channel is provided on the valve core to connect different valve ports during rotation to realize various coolant circulation modes. The coolant circulation modes include:

[0055] In the battery pack-electric drive circulation mode, the coolant can circulate in the battery heat dissipation pipe and the electric drive heat dissipation pipe; in the battery pack-cooler circulation mode, the coolant can circulate in the battery heat dissipation pipe and the internal cooling pipe; in the battery pack-cooler circulation and battery pack self-circulation mode, the coolant can circulate in the electric drive heat dissipation pipe and the internal cooling pipe, as well as self-circulate in the battery heat dissipation pipe; in the battery pack-front-end heat dissipation-electric drive circulation mode, the coolant can circulate in the battery heat dissipation pipe, the front-end heat dissipation pipe and the electric drive heat dissipation pipe; in the battery pack-cooler circulation and electric drive self-circulation mode, the coolant can circulate in the battery heat dissipation pipe and the internal cooling pipe, as well as self-circulate in the electric drive heat dissipation pipe.

[0056] For details, see Figure 2-5 The valve body of this embodiment is formed with valve ports α, β, γ, δ, ε, ζ, and η. The coolant flow channel plate 200 connects the α valve port to the first end of the low-temperature radiator via a first coolant port 211 and a first coolant channel 221. The coolant flow channel plate 200 connects the β valve port to the second end of the low-temperature radiator via a second coolant port 212 and a second coolant channel 222. The coolant flow channel plate 200 connects the γ valve port to the first end of the electric drive heat dissipation pipeline via a third coolant port 213 and a third coolant channel 223. The coolant flow channel plate 200 connects the second end of the electric drive heat dissipation pipeline, the water pump 400, and the first coolant channel 221 in sequence via a fourth coolant port 214 and a fourth coolant channel 224.

[0057] The coolant flow plate 200 connects the δ valve port to the second end of the heat pump via the fifth coolant port 215 and the fifth coolant channel 225. The coolant flow plate 200 connects the ε valve port to the first end of the battery cold plate via the sixth coolant port 216 and the sixth coolant channel 226. The coolant flow plate 200 connects the ζ valve port to the first end of the first cooling plate 710 via the seventh coolant channel 227. The coolant flow plate 200 connects the η valve port to the second end of the first cooling plate 710 via the eighth coolant channel 228. The first end of the first heat exchange plate 511 of the battery heat exchanger 500 forms the seventh coolant port 217 for connecting to the second end of the battery cold plate. The second end of the first heat exchange plate 511 forms the eighth coolant port 218 for connecting to the first end of the heat pump.

[0058] The thermal integration module of this embodiment is provided with first to sixth coolant interfaces on the coolant flow channel plate, and two coolant interfaces are formed on the first heat exchange plate 510 of the battery heat exchanger 500. A total of 8 coolant interfaces are formed on the coolant flow channel plate side, which facilitates the assembly and maintenance of the coolant side.

[0059] The thermal integration module of this embodiment sets the refrigerant control valve 300 on the outward side of the refrigerant flow channel plate 100, sets the coolant control valve 310 on the outward side of the coolant flow channel plate 200, clamps the battery heat exchanger 500 in the battery heat dissipation pipeline, the cooler 700 in the internal cooling 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 outward side of the coolant flow channel plate 200, so that the structure of the entire thermal management system is compact; the thermal integration module concentrates the 8 coolant interfaces on the side of the coolant flow channel plate 200 and the 7 refrigerant interfaces on the side of the refrigerant flow channel plate 100 to facilitate installation and testing.

[0060] The battery heat exchanger 500 of this embodiment is set in the middle position, and the gas-liquid separator 600 and the cooler 700 are arranged on both sides of the battery heat exchanger 500. This arrangement helps to optimize the length of multiple coolant flow channels and refrigerant flow channels, and is less likely to cause intersection and interference.

[0061] The thermal integration module of this embodiment also includes a reinforcing plate 800, which is located on one side of the thermal integration module and is used to connect to the cabin crossbeam of the vehicle body. The two sides of the reinforcing plate correspond to the refrigerant flow channel plates 100 and the coolant flow channel plates 200 that are connected at intervals to enhance the structural strength of the thermal integration module. In this embodiment, reinforcing brackets can be optionally provided on the other sides of the thermal integration module, and the two ends of the reinforcing brackets correspond to the refrigerant flow channel plates 100 and the coolant flow channel plates 200 that are connected at intervals to increase the connection points with the vehicle body and further improve the structural strength of the thermal integration module. It should be noted that the way of arranging the thermal management system on the vehicle body, the structure of the vehicle body and the cabin crossbeam are existing technologies and will not be elaborated in this embodiment.

[0062] In this embodiment, a first temperature detector 330 is provided on the third refrigerant flow channel 123 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 accuracy of the temperature of the medium of the entire thermal management system.

[0063] The technical features of the above embodiments can be combined arbitrarily. To make the description concise, 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, they should be considered to be within the scope of this specification.

[0064] The above-described embodiments merely represent several implementations of the present invention. While the descriptions are relatively specific and detailed, they should not be construed as limiting the scope of the utility model patent. It should be noted that a person skilled in the art would be able to make various modifications and improvements without departing from the concept of the present invention, and these modifications and improvements fall within the scope of protection of the present invention. Therefore, the scope of protection of the present utility model patent shall be determined by the appended claims.

Claims

1. A thermal integration module, which is used to connect an air conditioning pipeline, a front-end heat dissipation pipeline, a battery heat dissipation pipeline, and an internal cooling pipeline of a thermal management system of an automobile; the thermal integration module comprises a coolant flow channel plate (200) and a refrigerant flow channel plate (100), and is characterized in that: The cooling liquid flow channel plate (200) and the refrigerant flow channel plate (100) are spaced apart, a refrigerant control valve (300) is fixedly provided on a side of the refrigerant flow channel plate (100) away from the cooling liquid 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 internal cooling pipeline; A coolant control valve (310) is fixedly provided on a side of the coolant flow channel plate (200) away from the refrigerant flow channel plate (100), and a coolant flow channel is provided 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 internal cooling pipeline and / or the electric drive heat dissipation pipeline; The heat integration module forms seven 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 integration module according to claim 1, characterized in that: The refrigerant control valve (300) includes valve ports A, B, C, D, E, F, G, and H, wherein the valve ports A, D, and G are exposed to the outside, the valve port A is used to connect to the second end of the internal heat exchanger in the air-conditioning pipeline, the valve port D is used to connect to the first end of the external heat exchanger in the front-end heat dissipation pipeline, and the valve port G is used to connect to the second end of the external heat exchanger in the front-end heat dissipation pipeline.

3. The thermal integration 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 of the refrigerant control valve (300) are connected to the refrigerant flow channel plate (100); 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 C valve port through the first refrigerant flow channel (121) and the second heat exchange plate (520) 5 of the battery heat exchanger (500) in the battery heat dissipation pipeline; the E valve port is connected to the inlet end of the gas-liquid separator (600) in the air-conditioning pipeline through the second refrigerant flow channel (122); the outlet end of the gas-liquid separator (600) is exposed to the outside to form a fourth refrigerant interface (114) to be connected to the inlet end of the compressor in the air-conditioning pipeline; 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 third refrigerant flow channel (123); 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 H valve port through the fourth refrigerant flow channel (124), and is connected to the electromagnetic valve (320) and the second refrigerant interface (112) through the fifth refrigerant flow channel (125). The inlet end of the rear evaporator in the air-conditioning pipeline is connected; the outlet end of the third expansion valve (613) is connected to the first end of the second cooling plate (720) of the internal cooling pipeline through the sixth refrigerant flow channel (126); the refrigerant flow channel plate (100) is also provided with a third refrigerant interface (113), and the third refrigerant interface (113) is connected to the second refrigerant flow channel (122) through the seventh refrigerant flow channel (127), and the second end of the second cooling plate (720) is connected to the seventh refrigerant flow channel (127) through the eighth refrigerant flow channel (128).

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

5. The thermal integration 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 first 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 second 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 the third coolant interface (213) and the third coolant flow channel (223), and the second end of the electric drive heat dissipation pipeline is connected to the water pump (400) and the first coolant flow channel (221) in sequence through the fourth coolant interface (214) and the fourth coolant flow channel (224); The δ valve port is connected to the second end of the heat pump in the battery heat dissipation pipeline through a fifth coolant interface (215) and a fifth coolant flow channel (225), and the ε valve port is connected to the first end of the battery cold plate in the battery heat dissipation pipeline through a sixth coolant interface (216) and a sixth coolant flow channel; The ζ valve port is connected to the first end of the first cooling plate in the internal cooling pipeline through the seventh coolant flow channel (227), and the η valve port is connected to the second end of the first cooling plate through the eighth coolant flow channel (229) (228); the first end of the first heat exchange plate (510) 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, and the second end of the first heat exchange plate (510) forms an eighth coolant interface connected to the first end of the heating pump.

6. The thermal integration 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 cooler in the internal cooling 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 integration 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 integration module according to any one of claims 1 to 5, characterized in that: The thermal integration module further comprises a reinforcing plate (800), the reinforcing plate (800) being located on one side of the thermal integration module for connecting to the vehicle body, and the refrigerant flow channel plate (100) and the coolant flow channel plate (200) being spaced and connected to each other on both sides of the reinforcing plate (800).

9. The thermal integration module according to claim 8, characterized in that: The thermal integration module further comprises a reinforcing bracket (810), wherein the reinforcing bracket (810) is located on the other side of the thermal integration module, and the two ends of the reinforcing bracket (810) are correspondingly connected to the refrigerant flow channel plate (100) and the coolant flow channel plate (200) that are arranged at intervals.

10. A thermal management system for an automobile, 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 on the liquid outlet side of the motor assembly; A battery heat dissipation circuit comprises a battery cold plate, a battery heat exchanger (500) and a heat pump connected in series, wherein the battery heat exchanger (500) comprises a first heat exchange plate (510) for passing a coolant and a second heat exchange plate (520) 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; An internal cooling circuit comprising a cooler, wherein the cooler comprises a first cooling plate for passing a cooling liquid and a second cooling plate (720) for passing a refrigerant; and The thermal integration module according to any one of claims 1 to 9.

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