Cooling plate assembly

Abstract

A cooling plate assembly, comprising a plurality of first heat transfer members, each of which has at least one first flow channel and at least one second flow channel. The cooling plate assembly comprises a first connecting member, which has a first flow collection channel and a second flow collection channel, wherein the first flow collection channel and the second flow collection channel are both located on the same side of the first heat transfer member, the first flow collection channel is in communication with the first flow channel, and the second flow collection channel is in communication with the second flow channel. While the space occupied by the first heat transfer member remains unchanged, at least two processes of flow of fluid are achieved, thereby optimizing the heat exchange performance of the single first heat transfer member. Since the first flow collection channel and the second flow collection channel are both located on the same side of the first heat transfer member, a first opening and a second opening can be arranged close to each other, without the need to provide another pipe to make the first opening and the second opening close to each other, thereby saving on space.

Description

Cooling plate assembly

[0001] The present application claims priority to the Chinese patent application No. 202411194723.X, filed on August 28, 2024, and entitled "Cooling plate assembly", and to the Chinese patent application No. 202410851581.3, filed on June 27, 2024, and entitled "Cooling plate assembly", the contents of which are incorporated herein by reference in their entirety. TECHNICAL FIELD

[0002] The present application relates to the technical field of battery cooling, in particular to a cooling plate assembly. BACKGROUND

[0003] The battery pack has a plurality of battery modules inside, so a plurality of cooling plates need to be arranged. The inlet and outlet of the cooling plate are located at both ends of the cooling plate, and a pipe needs to be additionally arranged inside the battery pack for connecting the cooling plates, and the plurality of cooling plates also need to be connected together through the pipe. The additionally arranged pipe occupies the space inside the battery pack, thereby reducing the space that can be occupied by the cooling plate, reducing the contact area of the cooling plate and the battery module, and thereby affecting the overall heat exchange performance of the battery pack. SUMMARY

[0004] Therefore, it is necessary to provide a cooling plate assembly that reduces the space occupied by the pipe in view of the above problems.

[0005] The technical scheme adopted by the present application is as follows:

[0006] A cooling plate assembly includes a plurality of first heat transfer members, the plurality of first heat transfer members are arranged separately, the first heat transfer member has at least one first flow channel and at least one second flow channel, the cooling plate assembly includes a first connecting member, the first connecting member has a first flow collecting channel and a second flow collecting channel, the first flow collecting channel and the second flow collecting channel are arranged separately, the first flow collecting channel and the second flow collecting channel are located on the same side of the first heat transfer member, the first flow collecting channel is in communication with the first flow channel, the second flow collecting channel is in communication with the second flow channel, a plurality of first heat transfer members are arranged separately along the extension direction of the second flow collecting channel, the cooling plate assembly has at least one third flow collecting channel, the first flow channel is in communication with the third flow collecting channel, the third flow collecting channel is in communication with the second flow channel, the cooling plate assembly has a first opening and a second opening, the first opening is located on the first connecting member, the first opening is in communication with the first flow collecting channel, the second opening is located on the first connecting member, the second opening is in communication with the second flow collecting channel.

[0007] In the above technical solution, since the first collecting channel and the second collecting channel are located on the same side of the first heat transfer member, and the first opening and the second opening are located on the first connecting member, the first opening and the second opening can be arranged close to each other. In order to arrange the first opening and the second opening close to each other, compared with the arrangement that the first collecting channel and the second collecting channel are located on different sides of the first heat transfer member, the first collecting channel and the second collecting channel located on the same side of the first heat transfer member can save pipeline space, thereby increasing the space available for the first heat transfer member that plays a heat exchange role, thereby increasing the heat exchange performance, and since the pipeline is reduced, the overall total flow resistance is reduced. Since the first collecting channel and the second collecting channel are located on the same side of the first heat transfer member, at least two flow processes of the fluid are realized through the first flow channel, the second flow channel and the third collecting channel, and the heat exchange performance of a single first heat transfer member is optimized.

[0008] A cooling plate assembly, characterized by a plurality of first heat transfer members, defining that the plurality of first heat transfer members are arranged separately along a third direction, the first heat transfer member comprises a heat transfer surface, defining a fourth direction perpendicular to the heat transfer surface, the angle between the third direction and the fourth direction is greater than or equal to 60° and less than or equal to 90°, the first heat transfer member has at least one first flow channel and at least one second flow channel, the cooling plate assembly comprises a first connecting member, the first connecting member has a first collecting channel and a second collecting channel, the first collecting channel and the second collecting channel are arranged separately, the first collecting channel and the second collecting channel are located on the same side of the first heat transfer member, the first collecting channel communicates with the first flow channel, the second collecting channel communicates with the second flow channel, the cooling plate assembly has at least one third collecting channel, the first flow channel communicates with the third collecting channel, the third collecting channel communicates with the second flow channel, the cooling plate assembly has a first opening and a second opening, the first opening is located on the first connecting member, the first opening communicates with the first collecting channel, the second opening is located on the first connecting member, the second opening communicates with the second collecting channel.

[0009] In the technical solution, the included angle between the third direction and the fourth direction is greater than or equal to 60° and less than or equal to 90°, that is, the deflection of the heat transfer surface is less than or equal to 30°, thereby improving the flow distribution uniformity and improving the heat exchange efficiency. Since the first and second collecting channels are located on the same side of the first heat transfer member, and the first and second openings are located on the first connecting member, the first and second openings can be arranged close to each other. In order to arrange the first and second openings close to each other, compared with the arrangement that the first and second collecting channels are located on different sides of the first heat transfer member, the arrangement that the first and second collecting channels are located on the same side of the first heat transfer member can save pipeline space, thereby increasing the space available for the first heat transfer member that plays a heat exchange role, thereby increasing the heat exchange performance. Moreover, since the pipeline is reduced, the overall total flow resistance is reduced. At the same time, since the first and second collecting channels are located on the same side of the first heat transfer member, the at least two flow processes of the fluid are realized through the first and second channels and the third collecting channel, thereby optimizing the heat exchange performance of a single first heat transfer member. BRIEF DESCRIPTION OF DRAWINGS

[0010] Fig. 1 is a perspective structural schematic view of a first technical solution of a cooling plate assembly provided by the application;

[0011] Fig. 2 is a sectional structural schematic view of Fig. 1;

[0012] Fig. 3 is an enlarged structural schematic view of A in Fig. 2;

[0013] Fig. 4 is a structural schematic view of B-B direction in Fig. 3;

[0014] Fig. 5 is a structural schematic view of another technical solution of Fig. 3;

[0015] Fig. 6 is an enlarged structural schematic view of C in Fig. 2;

[0016] Fig. 7 is a partial perspective structural schematic view of a second technical solution of a cooling plate assembly provided by the application;

[0017] Fig. 8 is a flow route schematic view of a fluid in a technical solution of a cooling plate assembly provided by the application;

[0018] Fig. 9 is a flow route schematic view of a fluid in another technical solution of a cooling plate assembly provided by the application;

[0019] Fig. 10 is a structural schematic view of a first connecting member in Fig. 1;

[0020] Fig. 11 is a structural schematic view of D in Fig. 10;

[0021] Fig. 12 is a structural schematic view of a second connecting member in Fig. 1;

[0022] Fig. 13 is a structural schematic view of E in Fig. 12;

[0023] Fig. 14 is a cross-sectional structural schematic view of a third technical solution of the cooling plate assembly provided by the present application;

[0024] Fig. 15 is a cross-sectional structural schematic view of the F-F direction in Fig. 7;

[0025] Fig. 16 is a cross-sectional structural schematic view of the first connecting piece in Fig. 11.

[0026] Legend: 1, first heat transfer piece; 11, first flow channel; 12, second flow channel; 13, first end; 14, second end; 2, first connecting piece; 21, first manifold; 22, second manifold; 23, first manifold pipe; 231, second connecting port; 232, third connecting port; 233, fourth connecting port; 234, fifth connecting port; 235, sixth connecting port; 24, second manifold pipe; 241, first connecting port; 242, seventh connecting port; 3, second connecting piece; 31, third manifold; 33, plate group; 331, plate piece; 41, first opening; 42, second opening; 5, connecting portion; 51, third flow channel; 6, first joint; 61, fourth flow channel; 7, second joint; 71, fifth flow channel; 81, first flange; 82, second flange; 83, third flange; 84, fourth flange; 85, fifth flange; 86, sixth flange; 87, heat transfer surface portion. DETAILED DESCRIPTION

[0027] In order to make the objectives, technical solutions and advantages of the present application clearer, the present application will be further described in detail below with reference to the accompanying drawings and technical solutions. It should be understood that the specific technical solutions described herein are only used to explain the present application and are not used to limit the present application.

[0028] Please refer to FIG. 1-FIG. 16, a cooling plate assembly provided by the present application comprises a plurality of first heat transfer pieces 1, which are defined as being separately arranged along a third direction, the first heat transfer piece 1 comprises a heat transfer surface part 87, a fourth direction is defined as being perpendicular to the heat transfer surface part 87, the third direction and the fourth direction form an angle greater than or equal to 60° and less than or equal to 90°, in the technical solution, the first heat transfer piece 1 is a flat tube, a plurality of first heat transfer pieces 1 are separately arranged along the third direction, one first heat transfer piece 1 corresponds to one battery module, and heat exchange can be performed on a plurality of battery modules through the heat transfer surface part 87, in the technical solution, the heat transfer surface part 87 is a plane, the angle between the fourth direction and the third direction is 90°, the first heat transfer piece 1 has at least one first flow channel 11 and at least one second flow channel 12, a fluid flows in the first flow channel 11 and the second flow channel 12, and heat exchange is performed with the corresponding battery module, the cooling plate assembly comprises a first connecting piece 2, the first connecting piece 2 has a first flow collecting channel 21 and a second flow collecting channel 22, the first flow collecting channel 21 and the second flow collecting channel 22 are separately arranged, the first flow collecting channel 21 and the second flow collecting channel 22 are located on the same side of the first heat transfer piece 1, the first flow collecting channel 21 is in communication with the first flow channel 11, the second flow collecting channel 22 is in communication with the second flow channel 12, the cooling plate assembly has at least one third flow collecting channel 31, the first flow channel 11 is in communication with the third flow collecting channel 31, the third flow collecting channel 31 is in communication with the second flow channel 12, the flow direction of the fluid in the cooling plate assembly is that the fluid first flows into the first flow collecting channel 21, then is distributed in the first flow collecting channel 21, and then enters the first flow channel 11 of the plurality of first heat transfer pieces 1, respectively flows through the first heat transfer piece 1 along the first flow channel 11, and exchanges heat with the battery module through the surface of the first heat transfer piece 1, then enters the third flow collecting channel 31, flows into the second flow channel 12 through the third flow collecting channel 31, and then flows through the plurality of first heat transfer pieces 1 again through the second flow channel 12, exchanges heat with the battery module through the surface of the first heat transfer piece 1, then enters the second flow collecting channel 22, and finally flows out of the cooling plate assembly, it should be noted that here, the flow through refers to the flow from the inside of the first heat transfer piece 1, the flow directions of the fluid in the first flow channel 11 and the second flow channel 12 are opposite, it should be noted that here, the opposite refers to that the fluid flows from the first end 13 of the first heat transfer piece 1 to the opposite second end 14 in the first flow channel 11, and flows from the second end 14 of the first heat transfer piece 1 to the opposite first end 13 in the second flow channel 12, the specific flow path in the process from the first end 13 to the second end 14 and the specific flow path in the process from the second end 14 to the first end 13 can not be completely opposite, the cooling plate assembly has a first opening 41 and a second opening 42, the first opening 41 is in communication with the first flow collecting channel 21, and the second opening 42 is in communication with the second flow collecting channel 22, since the first flow collecting channel 21 and the second flow collecting channel 22 are located on the same side of the first heat transfer piece 1, the first opening 41 and the second opening 42 can be arranged close to each other, and it is not necessary to arrange other pipelines to make the first opening 41 and the second opening 42 close to each other, thereby saving space,Further, the first heat transfer member 1 capable of increasing the space used for heat exchange can increase the heat exchange performance, and the overall total flow resistance is reduced due to the reduction of unnecessary pipelines. In the technical solution, the fluid flows into the first collecting channel 21 from the first opening 41, flows out of the second collecting channel 22 from the second opening 42, and in other technical solutions, the fluid can flow into the second collecting channel 22 from the second opening 42, and flow into the second flow channel 12 from the second collecting channel 22, pass through the plurality of first heat transfer members 1 through the second flow channel 12, then enter the third collecting channel 31, flow into the first flow channel 11 through the third collecting channel 31, respectively flow through the plurality of first heat transfer members 1 along the first flow channel 11, then enter the first collecting channel 21, and flow out through the first opening 41. In the technical solution, the fluid realizes double-flow process flow in a single first heat transfer member 1 through the first flow channel 11, the second flow channel 12 and the third collecting channel 31, that is, the first flow channel 11 is the first flow process, and the second flow channel 12 is the second flow process. It should be noted that the first and second here do not represent the order, but only represent the number. Since the fluid exchanges heat with the battery module, as the heat exchange time increases, the temperature of the fluid increases, and the heat exchange effect of the fluid on the battery module gradually decreases. For the first heat transfer member 1, the heat exchange effect is best where the fluid flows in, and the heat exchange effect is worst where the fluid flows out, and the heat exchange effect gradually decreases along the fluid flow path. Therefore, in the single-flow first heat transfer member 1, the heat exchange effect of each region of the first heat transfer member 1 is different, which further causes the heat exchange effect of each region of the battery module to be different. The present application realizes double-flow process flow of the fluid under the condition that the space occupied by the first heat transfer member 1 remains unchanged, that is, the fluid inflow and outflow ends are located on the same side of the first heat transfer member 1, that is, the regions with the best and worst heat exchange effects are located on the same side of the first heat transfer member 1, thereby balancing the overall heat exchange balance of the first heat transfer member 1 and optimizing the heat exchange performance of the single first heat transfer member 1.

[0029] Further, referring to FIGS. 1-5, 10, 11, the first connecting piece 2 comprises a first header pipe 23 and a second header pipe 24, the first header pipe 23 has a first header channel 21, the second header pipe 24 has a second header channel 22, the first header pipe 23 is fixedly connected with the second header pipe 24, in the technical solution, the first header pipe 23 has the first header channel 21, the second header pipe 24 has the second header channel 22, the first header pipe 23 and the second header pipe 24 are arranged side by side and fixedly connected, the distance between the first header channel 21 and the second header channel 22 is reduced, the distance between the first opening 41 and the second opening 42 is pulled in, the arrangement of unnecessary pipelines is reduced, the total flow resistance of the cooling plate assembly is reduced, the occupied space of non-heat exchange components is reduced, and then the occupied space of the first heat transfer piece 1 is increased, and then the heat exchange performance is increased, the second header pipe 24 has a first connecting port 241, the first heat transfer piece 1 is sealingly connected with the first connecting port 241, the first header pipe 23 has a second connecting port 231, the first heat transfer piece 1 comprises a plurality of connecting portions 5, the connecting portions 5 are sealingly connected with the second connecting port 231, the first flow channel 11 communicates with the first header channel 21 at the connecting portions 5, the first header channel 21 and the first flow channel 11 are communicated through the connecting portions 5, in the technical solution, the connecting portions 5 and the first heat transfer piece 1 are of an integral structure, the connecting portions 5 are sealingly connected with the second connecting port 231, the first flow channel 11 communicates with the first header channel 21 at the connecting portions 5, a pipeline for connecting the first heat transfer piece 1 and the first connecting piece 2 is not needed, the first flow channel 11 and the first header channel 21 are directly communicated through the connecting portions 5 which are integral with the first heat transfer piece 1, therefore, for the overall cooling plate assembly, the use space occupied by the pipelines which do not have heat exchange effect is reduced, and then the first heat transfer piece 1 which actually has heat exchange effect has more use space, and then the heat exchange performance is improved, and in the technical solution, the connecting portions 5 and the first heat transfer piece 1 are of an integral structure, the connection difficulty of the connecting portions 5 and the wall portion forming the first header channel 21 is reduced.

[0030] Further, the second manifold 24 has a third connecting port 232, the second connecting port 231 communicates with the third connecting port 232, the third connecting port 232 is arranged on the second manifold 24, and the second manifold 24 communicates with the second connecting port 231 through the third connecting port 232, so that the structure of the first manifold 23 and the second manifold 24 is more compact, the space required for installing the first connecting piece 2 is reduced, the connecting part 5 is located in the first connecting piece 2, the connecting part 5 is partially located in the second manifold 24, and the connecting part 5 is partially located in the first manifold 23, so that the connecting part 5 is located in the first connecting piece 2, and for the overall cooling plate assembly, the connecting part 5 does not increase the requirement of the cooling plate assembly for the installation space, so that the first heat transfer piece 1 which actually plays a heat exchange role has more use space, thereby improving the heat exchange performance, it is defined that the first surface is perpendicular to the extension direction of the second manifold channel 22, for the cross section of any connecting part 5, the normal projection of the cross section on the first surface, at least part of the flow passage cross section of the second manifold channel 22 does not coincide with the normal projection, because at least part of the flow passage cross section of the second manifold channel 22 does not coincide with the normal projection, so that the second manifold channel 22 has a gap at the connecting part 5, and the fluid can flow through the connecting part 5 through the gap, it should be noted that here the flow is from the outside of the connecting part 5, and does not contact the fluid in the connecting part 5, because the second manifold channel 22 communicates with the second flow channel 12 of the plurality of first heat transfer pieces 1, so that the size of the connecting part 5 in the second manifold channel 22 is limited so that the medium can flow in the second manifold channel 22 and the second flow channel 12, so that the fluid in the second manifold channel 22 can flow into the plurality of first heat transfer pieces 1. Of course, in other technical solutions, the connecting part 5 can be fixedly connected with the wall part forming the first manifold channel 21, and the connecting part 5 is fixedly connected with the first heat transfer piece 1.

[0031] Further, referring to FIG. 1-3, FIG. 11, the first connecting port 241 comprises a first flange 81, the first flange 81 is arranged along the circumference of the first heat transfer piece 1, the first flange 81 is in sealing connection with the first heat transfer piece 1, the contact area of the first connecting port 241 and the first heat transfer piece 1 is increased through the first flange 81, thereby increasing the welding area of the first connecting port 241 and the first heat transfer piece 1, strengthening the welding reliability of the first connecting port 241 and the first heat transfer piece 1, reducing the leakage probability of the connection between the first connecting port 241 and the first heat transfer piece 1, and further, the second flange 82 can be arranged on the second connecting port 231, the second flange 82 is arranged along the circumference of the connecting part 5, the second flange 82 is in sealing connection with the connecting part 5, the contact area of the second connecting port 231 and the connecting part 5 is increased through the second flange 82, thereby increasing the welding area of the second connecting port 231 and the connecting part 5, strengthening the welding reliability of the second connecting port 231 and the connecting part 5, reducing the leakage probability of the connection between the second connecting port 231 and the connecting part 5, of course, the second flange 82 can also be arranged on the third connecting port 232, the second flange 82 is arranged along the circumference of the connecting part 5, the second flange 82 is in sealing connection with the connecting part 5, the contact area of the third connecting port 232 and the connecting part 5 is increased through the second flange 82, thereby increasing the welding area of the third connecting port 232 and the connecting part 5, strengthening the welding reliability of the third connecting port 232 and the connecting part 5, reducing the leakage probability of the connection between the third connecting port 232 and the connecting part 5.

[0032] Further, referring to FIG. 1-5, FIG. 7, FIG. 15, the first direction and the second direction are defined, the first direction is the arrangement direction of the first heat transfer piece 1 relative to the second manifold 24, the second direction is the arrangement direction of the first manifold 23 relative to the second manifold 24, the included angle between the first direction and the second direction is greater than 0° and less than 180°, the first manifold 21 and the second manifold 22 are located on the same side of the first heat transfer piece 1, therefore, the first opening 41 and the second opening 42 can be arranged close to each other, without the need to increase other pipelines to make the first opening 41 and the second opening 42 close to each other, saving space, thereby being able to increase the space available for the first heat transfer piece 1 which plays a heat exchange role, thereby increasing the heat exchange performance.

[0033] Further, a first direction is defined, the first direction is the arrangement direction of the first heat transfer piece 1 relative to the second header 24, along the first direction, the first heat transfer piece 1 is located on one side of the second header 22, and the first header 21 is located on the other side of the second header 22. Since the connecting part 5 is in an integral structure with the first heat transfer piece 1, the connecting part 5 is located in the first connecting piece 2, the connecting part 5 is fixedly connected with the second connecting port 231, therefore, the first header 21 and the second header 22 are arranged side by side, and the first header 21 and the second header 22 are located on the same side of the first heat transfer piece 1, the first opening 41 and the second opening 42 can be arranged close to each other, without the need to add other pipelines to make the first opening 41 and the second opening 42 close to each other, saving space, thereby increasing the space available for the first heat transfer piece 1 that can play a heat exchange role, thereby increasing the heat exchange performance, and the first header 21, the second header 22 and the first heat transfer piece 1 are arranged along the first direction, so that the first heat transfer piece 1 is fixedly connected with the first connecting piece 2, the connecting part 5 can be completely located in the first connecting piece 2 and fixedly connected with the second connecting port 231. Therefore, although the first header 21 is communicated with the first header 11 by using the connecting part 5, because the connecting part 5 is located in the first connecting piece 2, the space occupied by the components that do not play a heat exchange function is reduced, thereby increasing the use space of the components that play a heat exchange function, i.e. the first heat transfer piece 1, thereby improving the heat exchange performance.

[0034] Further, referring to FIGS. 1-5 and 15, the cooling plate assembly includes a first joint 6 and a second joint 7, the first joint 6 has a fourth flow channel 61, the first joint 6 includes a first opening 41, the first opening 41 is communicated with the fourth flow channel 61, the fourth flow channel 61 is communicated with the first header 21, the second joint 7 has a fifth flow channel 71, the second joint 7 includes a second opening 42, the second opening 42 is communicated with the fifth flow channel 71, the fifth flow channel 71 is communicated with the second header 22, in the technical solution, the fluid flows into the first opening 41, flows through the fourth flow channel 61 into the first header 21, and flows into the second header 22, flows into the fifth flow channel 71 through the second opening 42, and flows out, in the technical solution, the medium directly flows into and out of through the first joint 6 and the second joint 7, without the need to add additional pipelines, for the whole cooling plate assembly, the occupied space of the pipelines is reduced, the use space of the components that play a heat exchange function, i.e. the first heat transfer piece 1, is increased, thereby improving the heat exchange performance.

[0035] Further, please refer to FIG. 3, FIG. 4, FIG. 10, FIG. 11, FIG. 16, the first manifold 23 has a fourth connecting port 233, the fourth connecting port 233 has a third flange 83, the third flange 83 is arranged along the circumference of the first joint 6, the third flange 83 is in sealing connection with the first joint 6, the welding area of the first joint 6 and the fourth connecting port 233 is increased through the third flange 83, thereby increasing the welding reliability of the first joint 6 and the fourth connecting port 233, and reducing the leakage probability of the medium at the connection between the first joint 6 and the fourth connecting port 233, the first manifold 23 has a fifth connecting port 234, the fifth connecting port 234 has a fourth flange 84, the fourth flange 84 is arranged along the circumference of the second joint 7, the fourth flange 84 is in sealing connection with the second joint 7, the welding area of the second joint 7 and the fifth connecting port 234 is increased through the fourth flange 84, thereby increasing the welding reliability of the second joint 7 and the fifth connecting port 234, and reducing the leakage probability of the medium at the connection between the second joint 7 and the fifth connecting port 234, the first manifold 23 has a sixth connecting port 235, the sixth connecting port 235 has a fifth flange 85, the fifth flange 85 is arranged along the circumference of the second joint 7, the fifth flange 85 is in sealing connection with the second joint 7, the welding area of the second joint 7 and the sixth connecting port 235 is increased through the fifth flange 85, thereby increasing the welding reliability of the second joint 7 and the sixth connecting port 235, and reducing the leakage probability of the medium at the connection between the second joint 7 and the sixth connecting port 235, the second manifold 24 has a seventh connecting port 242, the seventh connecting port 242 has a sixth flange 86, the sixth flange 86 is arranged along the circumference of the second joint 7, the sixth flange 86 is in sealing connection with the second joint 7, the sixth connecting port 235 and the seventh connecting port 242 are in communication, and the second joint 7 extends to the second manifold 24 through the seventh connecting port 242 and the sixth connecting port 235.

[0036] Further, please refer to FIG. 1-FIG. 9, in the technical solution, the first heat transfer member 1 has a group of first flow channels 11 and two groups of second flow channels 12, realizing double-flow process flow of one-in and two-out, the number of the first flow channels 11 is the same as that of the second flow channels 12, each first flow channel 11 is in communication with the third flow channel 51, the number of the first flow channels 11 is the same as that of the second flow channels 12, under the condition that the flow cross-sectional area of the first flow channels 11 is the same as that of the second flow channels 12, the total flow cross-sectional area of the fluid flowing from the first end 13 to the second end 14 of the first heat transfer member 1 is similar to that of the fluid flowing from the second end 14 to the first end 13, reducing the flow resistance change of the fluid, in other technical solutions, the first heat transfer member 1 can have two groups of first flow channels 11 and one group of second flow channels 12, realizing double-flow process flow of two-in and one-out, the fluid inflow and outflow ends are located at the same end of the first heat transfer member 1, that is, the regions with the best and worst heat exchange effects are located at the same end of the first heat transfer member 1, thereby balancing the heat exchange balance of the whole first heat transfer member 1 and optimizing the heat exchange performance of a single first heat transfer member 1.

[0037] Further, please refer to FIG. 1-3, FIG. 10-14, define the first direction, the first direction is the arrangement direction of the first heat transfer piece 1 relative to the second header 24, along the first direction, the first heat transfer piece 1 is located on one side of the second flow channel 22, the first flow channel 21 is located on the other side of the second flow channel 22, the first flow channel 21 and the second flow channel 22 are arranged side by side, and the first flow channel 21 and the second flow channel 22 are located on the same side of the first heat transfer piece 1, the first opening 41 and the second opening 42 can be arranged close to each other, without the need to add other pipelines to make the first opening 41 and the second opening 42 close to each other, saving space, thereby increasing the space available for the first heat transfer piece 1 that plays a role in heat exchange, thereby increasing the heat exchange performance, the cooling plate assembly includes a second connecting piece 3, along the first direction, the second connecting piece 3 is located on one side of the first heat transfer piece 1, the first connecting piece 2 is located on the other side of the first heat transfer piece 1, the second connecting piece 3 has a third flow channel 31, since the first flow channel 11 and the third flow channel 31 are in communication, the second flow channel 12 and the third flow channel 31 are in communication, the fluid in the first flow channel 11 and the fluid in the second flow channel 12 complete the changeover at the third flow channel 31, therefore the second connecting piece 3 is arranged at the other end of the first heat transfer piece 1 relative to the first connecting piece 2, increasing the heat exchange path of the fluid, thereby improving the heat exchange performance of the first heat transfer piece 1, the second connecting piece 3 is fixedly connected with the first heat transfer piece 1, and a connecting piece is fixedly connected with a plurality of first heat transfer pieces 1, therefore one side of the first heat transfer piece 1 is fixedly connected with the first connecting piece 2, and the other side of the first heat transfer piece 1 is fixedly connected with the second connecting piece 3, thereby strengthening the strength of the cooling plate assembly. The second connecting piece 3 has a plurality of third flow channels 31, the plurality of third flow channels 31 are arranged separately, the number of third flow channels 31 is the same as the number of first heat transfer pieces 1, one third flow channel 31 corresponds to one first heat transfer piece 1, and the first heat transfer piece 1 is sealingly connected with the second connecting piece 3. In other technical solutions, the cooling plate assembly can also include a plurality of second connecting pieces 3, the number of second connecting pieces 3 is the same as the number of first heat transfer pieces 1, each second connecting piece 3 is fixedly connected with one first heat transfer piece 1, the second connecting piece 3 has one third flow channel 31, the first heat transfer piece 1 is fixedly connected with the second connecting piece 3, thereby the second connecting piece 3 is fixedly connected with the first heat transfer piece 1, improving the strength of the cooling plate assembly, and the first flow channel 11, the second flow channel 12 and the third flow channel 31 are in communication.

[0038] Further, please refer to FIG. 12-14, the number of the second connecting piece 3 is one, one second connecting piece 3 is fixedly connected with the plurality of first heat transfer pieces 1, the second connecting piece 3 includes a plurality of plate groups 33, the number of plate group 33 is same with the number of first heat transfer piece 1, one plate group 33 corresponds to one first heat transfer piece 1, plate group 33 includes two plate pieces 331, along the width direction of first heat transfer piece 1, two plate pieces 331 are respectively located at the two sides of corresponding first heat transfer piece 1, third collecting channel 31 is located between two plate pieces 331, fluid flows into third collecting channel 31 from first flow channel 11, is limited by two plate pieces 331, fluid can only flow in third collecting channel 31 between plate piece 331, and flows to second flow channel 12 through third collecting channel 31, plate piece 331 is close to corresponding first heat transfer piece 1 and is arranged, the size of third collecting channel 31 is controlled and is similar with the width of first heat transfer piece 1, reduce the dead zone formed by the fluid accumulation in third collecting channel 31 due to the third collecting channel 31 is too large, reduce the influence on heat exchange performance.

[0039] The technical features of the above technical solutions can be combined arbitrarily, in order to make the description simple, not all possible combinations of the technical features in the above technical solutions are described, however, as long as the combination of these technical features does not exist contradictory, it should be considered as the scope of the present application.

[0040] The above technical solutions only express several embodiments of the present application, the description is more specific and detailed, but it should not be understood as the limitation of the scope of the present application. It should be pointed out that for ordinary skilled in the art, without departing from the concept of the present application, can make several variations and control, these are within the scope of the present application

Claims

1. A cooling plate assembly, characterized in that, The assembly includes multiple first heat transfer elements (1), which are separately arranged. Each first heat transfer element (1) has at least one first flow channel (11) and at least one second flow channel (12). The cooling plate assembly includes a first connector (2), which has a first collecting channel (21) and a second collecting channel (22). The first collecting channel (21) and the second collecting channel (22) are separated and located on the same side of the first heat transfer element (1). The first collecting channel (21) is connected to the first flow channel (11). The flow channel (22) is connected to the second flow channel (12), and the cooling plate assembly has at least one third flow channel (31). The first flow channel (11) is connected to the third flow channel (31), and the third flow channel (31) is connected to the second flow channel (12). The cooling plate assembly has a first opening (41) and a second opening (42). The first opening (41) is located at the first connector (2) and is connected to the first flow channel (21). The second opening (42) is located at the first connector (2) and is connected to the second flow channel (22).

2. The cooling plate assembly according to claim 1, characterized in that, The first connector (2) includes a first manifold (23) and a second manifold (24). The first manifold (23) has a first manifold channel (21), and the second manifold (24) has a second manifold channel (22). The first manifold (23) and the second manifold (24) are fixedly connected. The second manifold (24) has a first connection port (241). The first heat transfer element (1) is sealed to the first connection port (241). The first manifold (23) has a second connection port (231). The first heat transfer element (1) includes a connecting part (5). The connecting part (5) is sealed to the second connection port (231). The first flow channel (11) communicates with the first manifold channel (21) at the connecting part (5).

3. The cooling plate assembly according to claim 2, characterized in that, The second manifold (24) has a third connection port (232), the second connection port (231) communicates with the third connection port (232), the connection part (5) is located inside the first connector (2), the connection part (5) is partially located in the second manifold (24), the connection part (5) is partially located in the first manifold (23), a first surface is defined perpendicular to the extension direction of the second manifold (22), for any cross section of the connection part (5) in the orthographic projection of the first surface, at least a portion of the flow cross section of the second manifold (22) does not coincide with the orthographic projection.

4. The cooling plate assembly according to claim 3, characterized in that, The first connection port (241) includes a first flange (81), which is arranged along the circumference of the first heat transfer element (1) and is sealed to the first heat transfer element (1); and / or, the second connection port (231) includes a second flange (82), which is arranged along the circumference of the connection portion (5) and is sealed to the connection portion (5).

5. The cooling plate assembly according to any one of claims 2-4, characterized in that, Define a first direction and a second direction. The first direction is the arrangement direction of the first heat transfer element (1) relative to the second manifold (24), and the second direction is the arrangement direction of the first manifold (23) relative to the second manifold (24). The angle between the first direction and the second direction is greater than 0° and less than 180°.

6. The cooling plate assembly according to claim 5, characterized in that, The cooling plate assembly includes a first connector (6) and a second connector (7). The first connector (6) is fixedly connected to the first manifold (23), and the second connector (7) is fixedly connected to the second manifold (24). The first connector (6) includes the first opening (41), and the second connector (7) includes the second opening (42).

7. The cooling plate assembly according to claim 6, characterized in that, A first direction is defined as the arrangement direction of the first heat transfer element (1) relative to the second manifold (24). Along the first direction, the first heat transfer element (1) is located on one side of the second manifold (24), and the first manifold (23) is located on the other side of the second manifold (24). The first manifold (23) has a fourth connection port (233), which has a third flange (83). The third flange (83) is arranged circumferentially along the first connector (6) and is sealed to the first connector (6). The first manifold (23) has a fifth connection port (234), which has a fourth flange (84). The fourth flange (84) is arranged circumferentially along the second connector (7). The first manifold (23) is sealed to the second connector (7). The first manifold (23) has a sixth connection port (235). The sixth connection port (235) has a fifth flange (85). The fifth flange (85) is arranged along the circumference of the second connector (7). The fifth flange (85) is sealed to the second connector (7). The second manifold (24) has a seventh connection port (242). The seventh connection port (242) has a sixth flange (86). The sixth flange (86) is arranged along the circumference of the second connector (7). The sixth flange (86) is sealed to the second connector (7). The sixth connection port (235) communicates with the seventh connection port (242). The second connector (7) extends through the seventh connection port (242) and the sixth connection port (235) to the second manifold (24).

8. The cooling plate assembly according to any one of claims 2-7, characterized in that, The first heat transfer element (1) has a set of first flow channels (11) and two sets of second flow channels (12), or the first heat transfer element (1) has two sets of first flow channels (11) and one set of second flow channels (12); The total number of the first flow channels (11) is the same as the total number of the second flow channels (12).

9. The cooling plate assembly according to claim 8, characterized in that, A first direction is defined as the arrangement direction of the first heat transfer element (1) relative to the second manifold (24). Along the first direction, the first heat transfer element (1) is located on one side of the second manifold (22), and the first manifold (21) is located on the other side of the second manifold (22). The cooling plate assembly includes at least one second connector (3). Along the first direction, the second connector (3) is located on one side of the first heat transfer element (1), and the first connector (2) is located on the other side of the first heat transfer element (1). The second connector (3) has at least one of the third manifolds (31), and the second connector (3) is fixedly connected to the first heat transfer element (1).

10. The cooling plate assembly according to claim 9, characterized in that, The number of the second connector (3) is one. The second connector (3) has multiple third flow channels (31) that are separated from each other. The number of third flow channels (31) is the same as the number of the first heat transfer element (1). The first heat transfer element (1) is sealed to the second connector (3).

11. A cooling plate assembly, characterized in that, The assembly includes multiple first heat transfer elements (1), which are defined to be separately arranged along a third direction. Each first heat transfer element (1) includes a heat transfer surface (87), and a fourth direction is defined to be perpendicular to the heat transfer surface (87). The angle between the third direction and the fourth direction is greater than or equal to 60° and less than or equal to 90°. Each first heat transfer element (1) has at least one first flow channel (11) and at least one second flow channel (12). The cooling plate assembly includes a first connector (2), which has a first flow collecting channel (21) and a second flow collecting channel (22). The first flow collecting channel (21) and the second flow collecting channel (22) are separated and are located at the first heat transfer surface (87). On the same side of the heat-generating element (1), the first flow channel (21) is connected to the first flow channel (11), and the second flow channel (22) is connected to the second flow channel (12). The cooling plate assembly has at least one third flow channel (31), the first flow channel (11) is connected to the third flow channel (31), and the third flow channel (31) is connected to the second flow channel (12). The cooling plate assembly has a first opening (41) and a second opening (42). The first opening (41) is located on the first connector (2) and is connected to the first flow channel (21). The second opening (42) is located on the first connector (2) and is connected to the second flow channel (22).

12. The cooling plate assembly according to claim 11, characterized in that, The heat transfer surface (87) is a plane, and the angle between the fourth direction and the third direction is 90°.

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