Thermal management device

Abstract

The heat management device comprises a fluid management piece, and the fluid management piece comprises a flow channel part and a box body part; the box body part is provided with a liquid storage cavity, the liquid storage cavity is used for storing cooling liquid, the flow channel part is provided with a first flow channel, and the liquid storage cavity communicates with the first flow channel; the fluid management member is an integral member. In the heat management device, the heat management device comprises the fluid management piece, the fluid management piece comprises the flow channel part and the box body part, namely, the flow channel part and the box body part are of an integrated structure, and the risk that the cooling liquid in the water tank leaks in the process of flowing to the flow channel plate is reduced.

Description

Technical Field

[0001] The present application relates to the field of thermal management technology, and in particular to a thermal management device. Background Art

[0002] A thermal management device is a heat exchange device used to exchange heat for a device or component, such as a battery, circuit board, or charging station.

[0003] In the related art, the thermal management device includes a water tank and a flow channel plate. The water tank is installed on the flow channel plate. Installing the water tank on the flow channel plate will increase the use of other components, resulting in the problem of leakage of the cooling liquid in the water tank during the flow to the flow channel plate. Summary of the Invention

[0004] The present application provides a thermal management device, comprising a fluid management component, the fluid management component comprising a flow channel portion and a housing portion; the housing portion having a liquid storage cavity for storing cooling liquid; the flow channel portion having a first flow channel, the liquid storage cavity communicating with the first flow channel;

[0005] The flow channel portion has a groove forming the first flow channel, and the box body portion has a groove forming the liquid storage cavity; the fluid management component is an integrated component.

[0006] In this application, the thermal management device includes a fluid management component, which includes a flow channel portion and a box body portion, that is, the flow channel portion and the box body portion are an integrated structure, which reduces the risk of leakage of the cooling liquid in the water tank during the process of flowing to the flow channel plate. BRIEF DESCRIPTION OF THE DRAWINGS

[0007] Figure 1 It is a schematic diagram of the structure of the thermal management device in this application;

[0008] Figure 2 This is a schematic structural diagram of the thermal management device in this application from one angle;

[0009] Figure 3 This is a schematic structural diagram of the box portion and the flow channel portion of the thermal management device in this application;

[0010] Figure 4 A schematic cross-sectional view of a fluid management component of the thermal management device of the present application at one angle;

[0011] Figure 5 for Figure 4 A is an enlarged schematic diagram;

[0012] Figure 6 A schematic cross-sectional view of the fluid management component of the thermal management device of this application from another angle;

[0013] Figure 7This is an exploded diagram of the thermal management device in this application;

[0014] Figure 8 A schematic diagram of an embodiment of a thermal management system in this application;

[0015] Figure 9 This is a schematic diagram of another embodiment of the thermal management system in this application. DETAILED DESCRIPTION

[0016] To facilitate understanding of the present application, the present application will be described more fully below with reference to the accompanying drawings. The accompanying drawings illustrate preferred embodiments of the present application. However, the present application can be implemented in many different forms and is not limited to the embodiments described herein. Rather, these embodiments are provided to provide a more thorough and comprehensive understanding of the disclosure of the present application.

[0017] It should be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inside", "outside", "clockwise", "counterclockwise", "axial", "radial", "circumferential", etc., indicating the orientation or position relationship, are based on the orientation or position relationship shown in the accompanying drawings, and are only for the convenience of describing the present application and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore should not be understood as a limitation to the present application.

[0018] In addition, features defined as "first" or "second" may explicitly or implicitly include one or more of the features. In the description of this application, unless otherwise specified, "plurality" means two or more. In the description of this application, a first feature "above" or "below" a second feature may include the first and second features being in direct contact, or the first and second features not being in direct contact but being in contact via another feature between them.

[0019] like Figures 1 to 7 The figure shows a thermal management device according to the present application, comprising a fluid management component 500. The fluid management component 500 comprises a flow channel portion 1 and a housing portion 2. The housing portion 2 has a liquid storage chamber 600 for storing cooling liquid. The flow channel portion 1 has a first flow channel 101, with the liquid storage chamber 600 communicating with the first flow channel 101. The fluid management component 500 is a single piece. In the present application, the thermal management device comprises a fluid management component comprising a flow channel portion and a housing portion. This single piece reduces the risk of cooling liquid leaking from the water tank as it flows to the flow channel plate, while also simplifying the molding process.

[0020] refer to Figure 4、 Figure 5 and Figure 6 As shown, in some embodiments, the box body portion 2 includes a side wall 210 and a first mouth portion 211, the flow channel portion 1 includes a first surface portion 611, the first surface portion 611 is used to form a first flow channel 101, the side wall 210 and the first surface portion 611 are both connected to the first mouth portion 211; the first mouth portion 211 has a first opening 2111, the liquid storage chamber 600 is connected to the first opening 2111, and the first opening 2111 is connected to the first flow channel 101.

[0021] In some embodiments, the flow channel portion 1 has a second flow channel 102, and the flow channel portion 1 includes a second face portion 612, the second face portion 612 is used to form the second flow channel 102, the first face portion 611 and the second face portion 612 are located in the same plane; at least part of the first face portion 611 is connected to at least part of the second face portion 612; the box body portion 2 includes a second mouth portion 212, the side wall 210 and the second face portion 612 are both connected to the second mouth portion 212, and the side wall 210 is at least partially located on the periphery of the liquid storage chamber 600; the first mouth portion 211 is connected to the second mouth portion 212, the second mouth portion 212 has a second opening 2112, the liquid storage chamber 600 is connected to the second opening 2112, and the second opening 2112 is connected to the second flow channel 102.

[0022] Furthermore, in some embodiments, the side wall 210 includes a first side wall 213 and a second side wall 214, the first side wall 213 is connected to the second side wall 214, the first side wall 213 is inclined relative to the second side wall 214, the first side wall 213 and the first face 611 are both connected to the first mouth 211; the second side wall 214 and the second face 612 are both connected to the second mouth 212; it should be noted that the box body 2 in the present application can have multiple side walls to form a liquid storage chamber 600.

[0023] refer to Figure 4 As shown, in some embodiments, the fluid management component 500 includes a first pump portion 51, the first pump portion 51 is connected to the first surface portion 611, the first pump portion 51 has a first pump groove 501, and the first pump groove 501 is connected to the first flow channel 101; the flow channel portion 1 has a first plate portion 11, and part of the first plate portion 11 and the first surface portion 611 are located in the same plane; the flow channel portion 1 has a third flow channel 103, the third flow channel 103 is connected to the first pump groove 501, the first plate portion 11 has a first plate opening 1021, the first plate opening 1021 passes through the first plate portion 11, and the third flow channel 103 is connected to the first plate opening 1021.

[0024] Furthermore, in some embodiments, the fluid management component 500 includes a second pump portion 61 and a first fluid portion 104, the second pump portion 61 is connected to the second surface portion 612, and the first fluid portion 104 is connected to the first plate portion 11; the second pump portion 61 has a second pump groove 601, and the second pump groove 601 is connected to the second flow channel 102; the flow channel portion 1 has a fourth flow channel 105, and the fourth flow channel 105 is connected to the second pump groove 601; the flow channel portion 1 includes a second plate portion 12, the first plate portion 11 is connected to the second plate portion 12, and at least a portion of the first plate portion 11 and at least a portion of the second plate portion 12 are in the same plane to reduce the fluid management The thickness of the component 500 is reduced, thereby reducing the thickness of the thermal management device; the first fluid portion 104 has a first fluid port 1041 and a second fluid port 1042, the first plate portion 11 has a second plate port 1022, the second plate portion 12 has a third plate port 1012, the second plate port 1022 passes through the second plate portion 12, the third plate port 1012 passes through the second plate portion 12, the first fluid port 1041 is connected to the second plate port 1022, and the third plate port 1012 is connected to the second fluid port 1042; the first fluid port 1041 is connected to the first water side flow channel 312, and the second fluid port 1042 is connected to the second water side flow channel 412.

[0025] refer to Figure 3 and Figure 4 As shown, in some embodiments, the flow channel portion 1 includes a third plate portion 13, which is connected to the second surface portion 612, with portions of the third plate portion 13, the first surface portion 611, and the second surface portion 612 located in the same plane. The third plate portion 13 is connected to the first fluid portion 104. The third plate portion 13 has a through hole, and the first fluid portion 104 has a third fluid port 1043, which is in communication with the third fluid port 1043. Furthermore, in some embodiments, the third plate portion 13 has a first through hole 1031 and a second through hole 1032, and the third fluid port 1043 of the first flow channel portion 104 is in communication with the first through hole 1031.

[0026] In some embodiments, the first flow channel portion 104 has a fifth flow channel, the first water-side flow channel 312 and the second water-side flow channel 412 are both connected to the fifth flow channel, and the first fluid port 1041 , the second fluid port 1042 and the third fluid port 1043 are all connected to the fifth flow channel.

[0027] refer to Figure 1 and Figure 2As shown, in some embodiments, the box body 2 includes a first baffle 71 and a liquid level probe 201, at least part of the liquid level probe 201 is disposed in the liquid storage cavity 600, and the first baffle 71 is disposed in the liquid storage cavity 600 to separate the liquid storage cavity 600 into a first cavity 621 and a second cavity 622; the first baffle 71 has a first notch 701, the first notch 701 passes through the first baffle 71 and communicates with the liquid storage cavity 600, and the first notch 701 communicates the first cavity 621 with the second cavity 622 ; Further, in some embodiments, the box body 2 may include multiple first baffles 71, and two adjacent baffles 71 form a cavity, that is, multiple baffles 71 divide the liquid storage cavity 600 into multiple cavities, and each baffle 71 is provided with a first notch 701. The first notch 701 passes through the first baffle 71 and is connected to the liquid storage cavity 600, so that the cooling liquid in the liquid storage cavity 600 slowly circulates between the cavities, thereby making the liquid level probe 201 in the liquid storage cavity 600 have better hydraulic stability.

[0028] In some embodiments, the fluid portion 1 and the box portion 2 are both made of resin, and the fluid portion 1 and the box portion 2 can be integrally formed using an injection molding process or processed using a molding process using resin materials.

[0029] refer to Figure 1 and Figure 7 As shown, in some embodiments, the thermal management device includes a first heat exchanger 3, and along the thickness direction Z of the thermal management device, the box body 2 and the first heat exchanger 3 are both located on the same side of the flow channel portion 1. In the present application, on the one hand, integrating the box body 2 and the first heat exchanger 3 on the flow channel portion 1 can shorten the communication path from the cooling liquid in the water tank portion 2 to the first heat exchanger 3, thereby improving the working efficiency of the thermal management device; on the other hand, arranging the box body 2 and the first heat exchanger 3 on the same side of the flow channel portion 1 along the thickness direction Z of the thermal management device can reduce the thickness of the thermal management device, thereby enabling it to be applied to the heat dissipation of energy storage devices, such as batteries, circuit boards, etc.

[0030] refer to Figure 1 As shown, further, in some embodiments, the thermal management device includes a second heat exchanger 4 and a first pump 5, and the second heat exchanger 4 and the first pump 5 are both connected to the flow channel portion 1; along the thickness direction Z of the thermal management device, the first heat exchanger 3, the second heat exchanger 4 and the first pump 5 are all located on the same side of the flow channel portion 1 to reduce the thickness of the thermal management device; the longitudinal direction X is defined as the direction perpendicular to the thickness direction Z, and along the longitudinal direction X, the second heat exchanger 4 is located on one side of the first heat exchanger 3, and the second heat exchanger 4 is closer to the box body portion 2 relative to the first heat exchanger 3; the first pump 5 is installed in the first pump slot 501.

[0031] In some embodiments, the thermal management device includes a first heat exchanger 3 and a second heat exchanger 4, the first heat exchanger 3 has a first water side flow channel 312, and the second heat exchanger 4 has a second water side flow channel 412, and the first water side flow channel 312 and the second water side flow channel 412 are both used to circulate cooling liquid; the thermal management device includes a first flow path H, a first water side branch F and a second water side branch I, the first water side branch F and the second water side branch I are both connected to the first flow path H, the first heat exchanger 3 is partially arranged in the first water side branch F, and the second heat exchanger 4 is partially arranged in the second water side branch I; the first heat exchanger 3 and the second heat exchanger 4 are arranged in parallel. In this application, the thermal management device includes a first heat exchanger 3 and a second heat exchanger 4. Both the first heat exchanger 3 and the second heat exchanger 4 have water side flow channels, and the first heat exchanger 3 and the second heat exchanger 4 are arranged in parallel. The first heat exchanger 3 and the second heat exchanger 4 can be selected from different heat exchange areas according to actual needs, so that they are suitable for different water side flow channels to achieve better heat exchange effects.

[0032] In some embodiments, the first water-side flow channel 312 and the second water-side flow channel 412 are both connected to the liquid storage chamber 600 , and the first water-side flow channel 312 and the second water-side flow channel 412 are both connected to the third flow channel 103 .

[0033] In some embodiments, the third flow channel 103 is in communication with the second water-side flow channel 412 , and the fourth flow channel 105 is in communication with the first water-side flow channel 312 .

[0034] refer to Figure 1 As shown, in some embodiments, the thermal management device includes a first throttle valve 31, a first mounting module 33, a second throttle valve 41 and a second mounting module 43, the first mounting module 33 is connected to the first heat exchanger 3, the first throttle valve 31 is connected to the first mounting module 33, the second mounting module 43 is connected to the second heat exchanger 4, and the second throttle valve 41 is connected to the second mounting module 43; along the thickness direction Z of the thermal management device, the first throttle valve 31 and the first mounting module 33 are located on one side of the first heat exchanger 3, and the second throttle valve 41 and the second mounting module 43 are located on one side of the second heat exchanger 4.

[0035] refer to Figure 1 and Figure 7As shown, in some embodiments, the thermal management device includes a second pump 6, which is connected to the flow channel portion 1; along the thickness direction Z, the second pump 6 and the first pump 5 are both located on the same side of the flow channel portion 1; along the longitudinal direction X, the second pump 6 is located on one side of the first pump 5, and the second pump 6 is closer to the housing portion 2 relative to the first pump 5. Placing the first pump 5 and the second pump 6 on the same side of the flow channel portion 1 along the longitudinal direction X reduces the thickness of the thermal management device; a transverse direction Y is defined, which is perpendicular to the longitudinal direction X. Along the transverse direction Y, the first heat exchanger 3 and the second heat exchanger 4 are located on one side of the first pump 5 and the second pump 6. Furthermore, in some embodiments, the first pump 5 is disposed in the first water-side branch F, and the second pump 6 is disposed in the second water-side branch I.

[0036] refer to Figure 2 and Figure 3 As shown, in some embodiments, the flow channel portion 1 has a first flow channel 101, a second flow channel 102, a first flow channel portion 104, a first pump groove 501 and a second pump groove 601, the first flow channel 101 is connected to the first pump groove 501; the second flow channel 102 is connected to the second pump groove 601; the first pump 5 is installed in the first pump groove 501, and the second pump 6 is installed in the second pump groove 601; the flow channel plate 1 includes a first plate portion 11 and a second plate portion 12, the first heat exchanger 3 is installed in the first plate portion 11, and the second heat exchanger 4 is installed in the second plate portion 12.

[0037] In some embodiments, the thermal management device includes a liquid supply portion 111 and a liquid return portion 112; the liquid supply portion 111 and the liquid return portion 112 are both connected to the flow channel portion 1; along the longitudinal direction X, the liquid supply portion 111 and the liquid return portion 112 are located on the same side of the flow channel portion 1, and relative to the flow channel portion 1, the liquid supply portion 111 and the liquid return portion 112 are away from the box portion 2.

[0038] Furthermore, in some embodiments, the liquid supply portion 111 and the liquid return portion 112 are both connected to the third plate portion 13; along the longitudinal direction X, the liquid supply portion 111 and the liquid return portion 112 are located on the same side of the third plate portion 13, and relative to the third plate portion 13, the liquid supply portion 111 and the liquid return portion 112 are away from the box body portion 2.

[0039] refer to Figure 4 As shown, in some embodiments, the flow channel portion 1 includes a third surface portion 613 forming a liquid return portion 112, the third surface portion 613 is connected to the third plate portion 13, the third surface portion 613 and the third plate portion 13 are located in the same plane, the box body portion 1 has a third mouth portion 215, the side wall 210 and the third surface portion 613 are both connected to the third mouth portion 215, the liquid return portion 112 has a liquid return flow channel, the third mouth portion 215 has a third opening, and the liquid storage chamber 600 and the liquid return flow channel are both connected to the third opening.

[0040] refer to Figure 2 and Figure 3As shown, in some embodiments, the thermal management device includes a heating element 7, which is connected to the flow channel portion 1 and is installed on the third plate portion 13; the heating element 7 has an inlet (not shown) and an outlet (not shown), the inlet is connected to the first through hole 1031, the second through hole 1032 is connected to the outlet, the liquid supply portion 111 has a liquid supply port 1111, the liquid return portion 112 has a liquid return port 1121, and the outlet is connected to the liquid supply port 1111; along the longitudinal direction X, the liquid supply port 1111 and the liquid return port 1121 are located on the same side of the third plate portion 13, and the liquid supply port 1111 and the liquid return port 1121 are arranged parallel to the third plate portion 13 along the longitudinal direction X, which can reduce the flow resistance of the cooling liquid.

[0041] refer to Figure 2 、 Figure 3 and Figure 6 As shown, further, in some embodiments, the first heat exchanger 3 includes a first plate 34, the first plate 34 has a first coolant flow channel port 301 and a second coolant flow channel port 302, the first plate port 1021 is connected to the first coolant flow channel port 301, the second plate port 1022 is connected to the second coolant flow channel port 302, and the first fluid port 1041 of the first flow channel portion 104 is connected to the second port 1012, and the cooling liquid flows in from the first plate port 1021, The liquid enters the first heat exchanger 3 through the first coolant flow channel opening 301, enters the second coolant flow channel opening 302, and enters the first flow channel portion 104 through the second plate opening 1022 and the first fluid opening 1041; the second plate portion 12 has a third plate opening 1012 and a fourth plate opening 1011, the second heat exchanger 4 includes a second plate 44, the second plate 44 has a third coolant flow channel opening 401 and a fourth coolant flow channel opening 402, the third plate opening 1012 and the third coolant flow channel opening 401 is connected, the fourth plate port 1011 is connected to the fourth coolant flow channel port 402, and the second fluid port 1042 of the first flow channel portion 104 is connected to the fourth plate port 1011, the cooling liquid flows from the third plate port 1012, passes through the third coolant flow channel port 401 into the second heat exchanger 4, enters the fourth coolant flow channel port 402, and the cooling liquid gathered at the second coolant flow channel port 302 and the fourth coolant flow channel port 402 enters the third coolant flow channel port 402 through the second fluid port 1042. The first heat exchanger 3 has a first heat exchange fluid port 303 and a second heat exchange fluid port 304. The heat exchange fluid flows into the first heat exchanger 3 from the first heat exchange fluid port 303 and out of the first heat exchanger 3 from the second heat exchange fluid port 304. The fourth heat exchanger 4 has a third heat exchange fluid port 403 and a fourth heat exchange fluid port 404. The heat exchange fluid flows into the second heat exchanger 4 from the third heat exchange fluid port 403 and out of the fourth heat exchange fluid port 404. The cooling liquid that flows into the first flow channel 104 enters the heating element 7 through the third fluid port 1043.

[0042] It should be noted that the cooling liquid in this application is used to cool the energy storage device, such as water, and the heat exchange fluid and refrigerant are both refrigerants, such as refrigerants R410A, R32, R290, etc.

[0043] refer to Figure 1 As shown, in some embodiments, the thermal management device includes a first sensor 32, a second sensor 42, a third sensor 114 and a fourth sensor 113. The first sensor 32 is arranged on the first mounting module 33, and the second sensor is arranged on the second mounting module 43; the third sensor 113 is arranged on the liquid supply port 1111, and the fourth sensor 113 is arranged on the liquid return part 112.

[0044] Furthermore, in some embodiments, the first mounting module 33 has a first mounting through hole 305 and a second mounting through hole 306, the first throttle valve 31 is installed in the first mounting through hole 305, and the first sensor is installed in the second mounting through hole 306, the second mounting module 43 has a third mounting through hole 405 and a fourth mounting through hole 406, the second throttle valve 41 is installed in the third mounting through hole 405, and the second sensor 42 is installed in the fourth mounting through hole 406.

[0045] refer to Figures 1 to 7 As shown, in some embodiments, the box body 2 includes a pressure relief member 202. Along the longitudinal direction X, the pressure relief member 202 and the liquid level probe 201 are both located on the same side of the box body 2. The box body 2 has a liquid inlet 203, defining a transverse direction Y, which is perpendicular to the longitudinal direction X. The liquid inlet 203 is arranged along the transverse direction Y. Arranging the liquid inlet 203 and the box body 2 along the transverse direction Y can reduce the fluid resistance of the cooling liquid entering the box body 2 from the liquid inlet 203.

[0046] refer to Figure 8 and Figure 9 As shown, the present application also provides a thermal management system, including a first heat exchanger 3 and a second heat exchanger 4, the first heat exchanger 3 includes a first water side flow channel 312, the second heat exchanger 4 includes a second water side flow channel 412, and the first heat exchanger 3 and the second heat exchanger 4 are arranged in parallel; in the present application, the thermal management system includes a first heat exchanger 3 and a second heat exchanger 4, the first heat exchanger 3 and the second heat exchanger 4 both have water side flow channels, the first water side flow channel 312 and the second water side flow channel 412 are both used to circulate cooling liquid, and the first heat exchanger 3 and the second heat exchanger 4 are arranged in parallel, the first heat exchanger 3 and the second heat exchanger 4 have different heat exchange areas, so that they are suitable for different water side flow channels to achieve better heat exchange effect.

[0047] In some embodiments, the thermal management system includes a compressor 100 and a third heat exchanger 200; the thermal management system includes a second flow path A, a first agent side branch B and a second agent side branch C, the second flow path A, the first agent side branch B and the second agent side branch C are all used to circulate refrigerant, and the first agent side branch B and the second agent side branch C are both connected to the second flow path A; the compressor 100 and the third heat exchanger 200 are both located in the second flow path A, the first heat exchanger 3 is located in the first agent side branch B, and the second heat exchanger 4 is located in the second agent side branch C, the first heat exchanger 3 and the second heat exchanger 4 are respectively connected in series with the third heat exchanger 200, that is, the refrigerant in the second flow path A flows into the first heat exchanger 3 and the second heat exchanger 4 respectively through the third heat exchanger 200.

[0048] In some embodiments, the first heat exchanger 3 includes a first agent side flow channel 311, and the second heat exchanger 4 includes a second agent side flow channel 411. The first agent side flow channel 311 and the second agent side flow channel 411 are both used to circulate refrigerant; the first agent side flow channel 311 is connected to the first agent side branch B, and the second agent side flow channel 411 is connected to the second agent side branch C; the first agent side flow channel 311 and the second agent side flow channel 411 are both connected to the second flow path A; the thermal management system also includes a third agent side branch E and a fourth agent side branch J, and the first agent side flow channel 311 is connected to the first agent side branch B, and the second agent side flow channel 411 is connected to the second agent side branch C. The third agent side branch E and the fourth agent side branch J are both used for circulating refrigerant. The third agent side branch E is at least partially located in the first agent side branch B, and the fourth agent side branch J is at least partially located in the second agent side branch C. The first agent side flow channel 311 is connected to the third agent side branch E, and the second agent side flow channel 411 is connected to the fourth agent side branch J; the third agent side branch E and the fourth agent side branch A are both connected to the second flow channel A to form a refrigerant flow cycle. The third agent side branch E and the fourth agent side branch J are both provided with thermal insulation cotton 138.

[0049] refer to Figure 8 and Figure 9 As shown, in some embodiments, the thermal management system includes a first fan 300 and a drying filter 137, and the first fan 300 and the drying filter 137 are both arranged in the second flow path A; relative to the drying filter 137, the first fan 300 is close to the third heat exchanger 200, and the first fan 300 is used to drive the wind flow around the third heat exchanger 200; the first agent side branch B and the second agent side branch C are both connected to the drying filter 137, and the drying filter 137 can filter impurities and harmful substances in the refrigerant in the second flow path A, reduce the content of harmful impurities in the refrigerant, such as solid pollutants, corrosive substances, etc., and can also filter moisture in the refrigerant to reduce the freezing of the refrigerant on other components to ensure the normal operation of the thermal management system.

[0050] In some embodiments, the thermal management system includes a first flow path H, a first water side branch F and a second water side branch I; the first flow path H, the first water side branch F and the second water side branch I are all used to circulate cooling liquid, such as water; the first water side branch F and the second water side branch I are both connected to the first flow path H; the first water side branch F and the second water side branch I are arranged in parallel.

[0051] refer to Figure 8 As shown, in some embodiments, the thermal management system includes a water tank 2, a first pump 5 and a second pump 6. The water tank 2 is connected to the first flow path H, the first pump 5 is arranged in the first water side branch F, and the second pump 6 is arranged in the second water side branch I. The first pump 5 can drive the cooling liquid in the water tank 2 to flow to the first water side branch F, and the first pump 6 can drive the cooling liquid in the water tank 2 to flow to the second water side branch I.

[0052] refer to Figure 9 As shown, in some embodiments, the thermal management system includes a water tank 2 and a first pump 5. The first pump 5 is arranged in the first flow path H. The water tank 2 is connected to the first flow path H. The first pump 5 drives the cooling liquid in the water tank 2 to flow to the first flow path H, and then flows to the first water side branch F and the second water side branch I respectively.

[0053] In some embodiments, the first water side branch F is connected to the first water side flow channel 312, and the second water side branch I is connected to the second water side flow channel 412; the thermal management system includes a third water side branch D and a fourth water side branch K, the third water side branch D is at least partially located in the first water side branch F, the fourth water side branch K is at least partially located in the second water side branch I, the third water side branch D is connected to the first water side flow channel 312, and the fourth water side branch K is connected to the second water side flow channel 412.

[0054] In some embodiments, the thermal management system includes a third flow path L and a fourth flow path M, both of which are used to circulate cooling liquid, and the third water side branch D and the fourth water side branch K are both connected to the third flow path L; the fourth flow path M is connected to the water tank 2; the third flow path L and the fourth flow path M are both used to circulate cooling liquid; the thermal management system includes a heating element 7 and a first sensor 113, both of which are arranged in the third flow path L, the heating element 7 is used to regulate the temperature of the cooling liquid in the third flow path L, and the first temperature and pressure sensor 113 is used to monitor the temperature of the cooling liquid in the third flow path L.

[0055] refer to Figure 8 and Figure 9As shown, in some embodiments, the thermal management system includes a first throttle valve 31, a second throttle valve 41, a second sensor 32 and a third sensor 42. The first throttle valve 31 is arranged on the first agent side branch B, for adjusting the refrigerant flow of the first agent side branch B, and the second throttle valve 31 is arranged on the second agent side branch C, for adjusting the refrigerant flow of the second agent side branch C; the second sensor 32 is arranged on the third agent side branch E, for sensing the temperature and pressure of the third agent side branch E, and the third sensor 42 is arranged on the fourth agent side branch J, for sensing the temperature and pressure of the fourth agent side branch J; the second sensor 32 is connected to the first heat exchanger 3, and the third sensor 42 is connected to the second heat exchanger 4.

[0056] In some embodiments, the thermal management system includes a first needle valve 131 and a second needle valve 134, both of which are arranged in the second flow path A, and the compressor 100 is arranged between the first needle valve 131 and the second needle valve 134, for adjusting the gas flow of the second flow path A; the thermal management system also includes a liquid level probe 201, which is arranged in the water tank 2, for detecting the water level of the cooling liquid in the water tank 2, and the water tank 2 has a liquid replenishing port 203, for replenishing the cooling liquid for the water tank 2.

[0057] In some embodiments, the thermal management system includes a heating element 7, which is arranged in the third flow path L. The cooling liquid in the third flow path L is used to dissipate heat from the energy storage device. When the temperature of the cooling liquid is low, the heating element 7 can heat the cooling liquid in the third flow path L to ensure that the temperature of the cooling liquid is moderate and reduce damage to the energy storage device; the cooling liquid flowing through the energy storage device returns to the water tank through the fourth flow path M.

[0058] In some embodiments, the thermal management system includes a temperature sensor 132 and a pressure sensor 135 . The temperature sensor 132 and the pressure sensor 135 are both disposed in the second flow path A to monitor the temperature and pressure of the cooling liquid in the second flow path A.

[0059] In some embodiments, the thermal management system includes a refrigerant circulation path and a cooling liquid circulation path, and the refrigerant and the cooling liquid exchange heat to achieve the purpose of cooling; the refrigerant circulation path is: in the second flow path A, the gaseous refrigerant discharged from the compressor 100 enters the third heat exchanger 200, releasing a large amount of heat; the first fan 300 is started, and the first fan 300 drives the surrounding wind to dissipate heat to the third heat exchanger 200. After the refrigerant is filtered by the drying filter 137, it enters the first agent side branch B and the second agent side branch C respectively. The refrigerant in the first agent side branch B passes through the first throttle valve 31 and enters the first agent side of the first heat exchanger 3. Flow channel 311, the refrigerant in the first agent side flow channel 311 exchanges heat with the coolant in the first water side flow channel 312, thereby cooling the coolant to achieve the purpose of cooling, and then the refrigerant in the first agent side flow channel 311 flows into the third agent side branch E, and finally returns to the second flow channel A, the refrigerant in the second agent side branch C passes through the second throttle valve 41 and enters the second agent side flow channel 411 of the second heat exchanger 4, the refrigerant in the second agent side flow channel 411 exchanges heat with the coolant in the second water side flow channel 412, and cools the coolant, and then the refrigerant in the second agent side branch C flows into the fourth agent side branch J, and finally returns to the second flow channel A.

[0060] In some embodiments, the circulation path of the coolant is as follows: the coolant in the water tank 2 enters the first water side branch F and the second water side branch I through the fourth water side branch K respectively by driving the first pump 5 and the second pump 6, or enters the first water side branch F and the second water side branch I respectively through the fourth water side branch K by driving the first pump 5; the coolant in the first water side branch F passes through the first water side channel 312 of the first heat exchanger 3, enters the third water side branch D, and then flows into the third flow path L, the coolant in the second water side branch I passes through the second water side channel 412 of the second heat exchanger 4, enters the fourth water side branch K, and then flows into the third flow path L, and the cooling liquid in the third flow path L passes through the heating element 7 and enters the energy storage device for heat dissipation.

[0061] It should be noted that the first heat exchanger 3 and the second heat exchanger 4 are evaporators, which can be selected from plate evaporators, microchannel evaporators, etc.; the third heat exchanger 200 is a condenser.

[0062] The above embodiments are only used to illustrate the present application and are not intended to limit the technical solutions described in the present application. The understanding of the present application should be based on technical personnel in the relevant technical field. Although this specification has described the present application in detail with reference to the above embodiments, ordinary technical personnel in the field should understand that technical personnel in the relevant technical field can still modify or replace the present application with equivalents, and all technical solutions and improvements that do not depart from the spirit and scope of the present application should be included in the scope of the claims of the present application.

Claims

1. A thermal management device, characterized in that: The thermal management device comprises a fluid management component (500), wherein the fluid management component (500) comprises a flow channel portion (1) and a box portion (2); the box portion (2) comprises a liquid storage cavity (600), wherein the liquid storage cavity (600) is used to store cooling liquid; the flow channel portion (1) comprises a first flow channel (101), wherein the liquid storage cavity (600) is in communication with the first flow channel (101); The fluid management component (500) is an integral component.

2. The thermal management device according to claim 1, characterized in that: The box body (2) includes a side wall (210) and a first opening (211), wherein the side wall (210) is at least partially located at the periphery of the liquid storage chamber (600), and the flow channel portion (1) includes a first surface portion (611), wherein the first surface portion (611) is used to form the first flow channel (101), and the side wall (210) and the first surface portion (611) are both connected to the first opening (211); The first mouth portion (211) has a first opening (2111), the liquid storage chamber (600) is in communication with the first opening (2111), and the first opening (2111) is in communication with the first flow channel (101).

3. The thermal management device according to claim 2, characterized in that: The flow channel portion (1) has a second flow channel (102), and the flow channel portion (1) includes a second surface portion (612), and the second surface portion is used to form the second flow channel (102); The box body (2) includes a second mouth portion (212), and the side wall (210) and the second surface portion (612) are both connected to the second mouth portion (212); the second mouth portion (212) has a second opening (2112), the liquid storage chamber (600) is in communication with the second opening (2112), and the second opening (2112) is in communication with the second flow channel (102); The first mouth (211) is connected to the second mouth (212), and the first opening (2111) is communicated with the second opening (2112).

4. The thermal management device according to claim 3, characterized in that: The fluid management component (500) includes a first pump portion (51), the first pump portion (51) is connected to the first surface portion (611), the first pump portion (51) has a first pump groove (501), and the first pump groove (501) is communicated with the first flow channel (101); The flow channel portion (1) includes a first plate portion (11), and a portion of the first plate portion (11) and the first surface portion (611) are located in the same plane; The flow channel portion (1) has a third flow channel (103), the third flow channel (103) is connected to the first pump groove (501), the first plate portion (11) has a first plate opening (1021), the first plate opening (1021) passes through the first plate portion (11), and the third flow channel (103) is connected to the first plate opening (1021).

5. The thermal management device according to claim 4, characterized in that: The fluid management component (500) includes a second pump portion (61) and a first fluid portion (104), wherein the second pump portion (61) is connected to the second surface portion (612), and the first fluid portion (104) is connected to the first plate portion (11); The second pump portion (61) has a second pump groove (601), and the second pump groove (601) is communicated with the second flow channel (102); The flow channel portion (1) has a fourth flow channel (105), and the fourth flow channel (105) is connected to the second pump groove (601); the flow channel portion (1) includes a second plate portion (12), the first plate portion (11) and the first fluid portion (104) are both connected to the second plate portion (12), and at least a portion of the first plate portion (11) and at least a portion of the second plate portion (12) are located in the same plane; The first fluid portion (104) has a first fluid port (1041) and a second fluid port (1042); the first plate portion (11) has a second plate port (1022); the second plate port (1022) passes through the first plate portion (11); the second plate portion (12) has a third plate port (1012); the third plate port (1012) passes through the second plate portion (12); the first fluid port (1041) is connected to the second plate port (1022); and the third plate port (1012) is connected to the second fluid port (1042).

6. The thermal management device according to claim 5, characterized in that: The flow channel portion (1) includes a third plate portion (13), the third plate portion (13) is connected to the second surface portion (612), and the third plate portion (13), the first surface portion (611) and the second surface portion (612) are located on the same plane; the third plate portion (13) is connected to the first fluid portion (104); The third plate portion (13) is provided with a through hole, the first fluid portion (104) has a third fluid port (1043), and the through hole is in communication with the third fluid port (1043).

7. The thermal management device according to claim 1, characterized in that: The box body (2) includes a first baffle (71), and the first baffle (71) is arranged in the liquid storage cavity (600); The first baffle (71) has a first notch (701), and the first notch (701) passes through the first baffle (71) and is in communication with the liquid storage chamber (600); The fluid part (1) and the box part (2) are both made of resin.

8. The thermal management device according to any one of claims 1 to 7, characterized in that: The thermal management device comprises a first heat exchanger (3) and a second heat exchanger (4); along the thickness direction (Z) of the thermal management device, the box portion (2), the first heat exchanger (3) and the second heat exchanger (4) are all located on the same side of the flow channel portion (1); A direction perpendicular to the thickness direction (Z) is defined as a longitudinal direction (X). Along the longitudinal direction (X), the second heat exchanger (4) is located on one side of the first heat exchanger (3), and the second heat exchanger (4) is closer to the box body (2) than the first heat exchanger (3).

9. The thermal management device according to claim 8, characterized in that: The thermal management device comprises a first pump (5), the first pump (5) being connected to the flow channel portion (1), the fluid management component (500) comprising a first pump portion (51), the first pump portion (51) being connected to the first face portion (611), the first pump portion (51) having a first pump groove (501), and the first pump (5) being installed in the first pump groove (501); Along the thickness direction (Z) of the thermal management device, the first heat exchanger (3), the second heat exchanger (4) and the first pump (5) are all located on the same side of the flow channel portion (1); a transverse direction (Y) is defined, the transverse direction (Y) is perpendicular to the longitudinal direction (X), and along the transverse direction (Y), the first heat exchanger (3) and the second heat exchanger (4) are located on the same side of the first pump (5).

10. The thermal management device according to claim 9, characterized in that: The heat management device comprises a liquid supply portion (111) and a liquid return portion (112); the liquid supply portion (111) and the liquid return portion (112) are both connected to the flow channel portion (1); Along the longitudinal direction (X), the liquid supply portion (111) and the liquid return portion (112) are located on the same side of the flow channel portion (1); the liquid supply portion (111) has a liquid supply port (1111), and the liquid return portion (112) has a liquid return port (1121); the liquid supply port (1111), the liquid return port (1121) and at least a portion of the flow channel portion (1) are located on the same plane.

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