Double-sided stamping type side heat dissipation liquid cooling plate

Abstract

The invention relates to the technical field of energy storage battery cooling plates, and provides a double-sided stamping type side heat dissipation liquid cooling plate, a first flow channel and a second flow channel are arranged on the front side of a flow channel plate, a third flow channel is arranged on the back side of the flow channel plate, and the third flow channel is located in a gap between the first flow channel and the second flow channel, so that the front side and the back side of the flow channel plate are fully utilized; a flow collecting plate with a flow inlet cavity and a flow return cavity is arranged to be communicated with flow channels for flow inlet and flow return, flow inlet ends of the first flow channel and the second flow channel are communicated, flow return ends of the first flow channel and the second flow channel are also communicated, and therefore the first flow channel and the second flow channel can conduct flow inlet and flow return at the same time; the inflow and backflow directions of the third flow channel are opposite to those of the first flow channel and the second flow channel, so that cold and hot can be separated, and the cold and hot uniformity of the flow channel plate is ensured; each of the first flow channel, the second flow channel and the third flow channel comprises a rectangular frame which is formed by a horizontal part and a vertical part and is not connected end to end, so that the heat dissipation area is wide during flowing, and the hot and cold uniformity is further improved.

Description

Technical Field

[0001] The invention relates to the technical field of energy storage battery cooling plates, and in particular to a double-sided stamping type side heat dissipation liquid cooling plate. Background Art

[0002] With the development of electronic equipment, new energy vehicles and other fields, thermal management technology is being used more and more widely in various fields. As an effective thermal management method, the liquid cooling system transfers heat through a liquid medium and has the advantages of high heat dissipation efficiency, compact structure, and light weight. As a key component in the liquid cooling system, the performance of the liquid cooling plate directly affects the heat dissipation effect of the entire system. At present, the liquid cooling plate industry is mainly stamped liquid cooling plates. In order to achieve efficient heat dissipation, the existing liquid cooling plates use liquid cooling plates that can dissipate heat on both sides. However, the existing double-sided liquid cooling plates cannot maximize the use of space to design flow channels to ensure the heat dissipation area, and the heat and cold distribution is uneven. Therefore, it is very important to solve this problem. Summary of the invention

[0003] In view of this, the purpose of the present invention is to propose a double-sided stamped side heat dissipation liquid cooling plate to solve the problem that the existing double-sided liquid cooling plate cannot maximize the use of space to design flow channels to ensure the heat dissipation area, and the heat and cold distribution is uneven.

[0004] Based on the above purpose, the present invention provides a double-sided stamped side-heat dissipation liquid cold plate, comprising an upper flat plate and a lower flat plate, a flow channel plate is arranged between the upper flat plate and the lower flat plate, the side of the flow channel plate close to the upper flat plate is the front side, the side of the flow channel plate close to the lower flat plate is the reverse side, a collecting plate is arranged at the upper left corner of the upper flat plate, the collecting plate comprises an inlet flow chamber and a return flow chamber; a concave first flow channel is arranged on the four edges of the front side of the flow channel plate, the first flow channel is in the shape of a rectangular frame that is not connected end to end; a concave second flow channel is arranged in the middle of the front side of the flow channel plate, one end of which is connected to the inlet flow chamber, the second flow channel is located on the inner side of the first flow channel, and the second flow channel is also in the shape of a rectangular frame that is not connected end to end, the first flow channel is in the shape of a rectangular frame that is not connected end to end ... and the second flow channel is located on the inner side of the first flow channel. The other end of the second flow channel is connected to the reflux chamber; one end of the second flow channel connected to the inlet chamber is connected to the first flow channel, and one end of the second flow channel connected to the reflux chamber is also connected to the first flow channel; a recessed third flow channel is connected to the inlet chamber on the back of the flow channel plate, and the third flow channel is connected to the reflux chamber in the shape of a rectangular frame that is not connected end to end; the third flow channel is located in the gap between the first flow channel and the second flow channel, so that the first flow channel and the second flow channel and the third flow channel cover the entire flow channel plate; the upper plate covers the first flow channel and the second flow channel for sealing, and the lower plate covers the third flow channel for sealing; the inlet and reflux directions of the third flow channel are opposite to those of the first and second flow channels.

[0005] Preferably, a liquid inlet pipe is connected to the top of the inlet chamber, and a liquid outlet pipe is connected to the top of the reflux chamber.

[0006] Preferably, the first flow channel includes a horizontal portion 1 whose left end is connected with the second flow channel and flows to the right to the edge of the flow channel plate, a vertical portion 1 flowing downward from the right end of the horizontal portion 1 to the edge of the flow channel plate, a horizontal portion 2 flowing to the left from the bottom end of the vertical portion 1 to the edge of the flow channel plate, and a vertical portion 2 flowing from the left end of the horizontal portion 2 to the second flow channel.

[0007] Preferably, the second flow channel includes a horizontal part three connected to the inlet chamber and the horizontal part one, a vertical part three flowing downward from the right end of the horizontal part three, a horizontal part four flowing to the left from the bottom end of the vertical part three, and a vertical part four flowing from the left end of the horizontal part four to the reflux chamber, and the vertical part two is connected to the vertical part four.

[0008] Preferably, the third flow channel includes a vertical portion five connected to the inlet chamber, a horizontal portion five flowing to the right from the bottom of the vertical portion five, a vertical portion six flowing upward from the bottom of the horizontal portion five, and a horizontal portion six flowing from the top of the vertical portion six to the reflux chamber.

[0009] Preferably, the horizontal portion six is ​​located between the horizontal portion one and the horizontal portion three, the horizontal portion five is located between the horizontal portion two and the horizontal portion four, the vertical portion five is located between the vertical portion one and the vertical portion three, and the vertical portion six is ​​located between the vertical portion two and the vertical portion four.

[0010] Preferably, the horizontal portion one, the horizontal portion two, the horizontal portion three, the horizontal portion four, the horizontal portion five and the horizontal portion six are all bifurcated.

[0011] Preferably, the upper plate is provided with a through hole for connecting the second flow channel with the reflux chamber, the upper plate is provided with a through hole for connecting the third flow channel with the inlet chamber, the upper plate and the flow channel plate are provided with a through hole for connecting the third flow channel with the reflux chamber; the upper plate and the flow channel plate are provided with a through hole for connecting the second flow channel with the inlet chamber.

[0012] Beneficial effects of the present invention: the present invention arranges the first flow channel and the second flow channel on the front side of the flow channel plate, and arranges the third flow channel on the back side of the flow channel plate, and the third flow channel is located in the gap between the first flow channel and the second flow channel, so that both the front and back sides of the flow channel plate are fully utilized; by arranging a collecting plate with an inlet cavity and a return cavity to circulate with the flow channel for inflow and return, the first flow channel and the second flow channel are connected at one end of the inlet flow, and the one end of the return flow is also connected, so that the first flow channel and the second flow channel can flow in and return at the same time; the inflow and return directions of the third flow channel are opposite to those of the first flow channel and the second flow channel, so that the hot and cold can be separated, and the uniformity of the hot and cold of the flow channel plate is ensured; the first flow channel, the second flow channel and the third flow channel all include horizontal parts and vertical parts to form a rectangular frame shape that is not connected at the head and the tail, so that the heat dissipation area is wide when flowing, and the uniformity of hot and cold is further increased; and all the horizontal parts are forked, so that the heat dissipation area is wider. BRIEF DESCRIPTION OF THE DRAWINGS

[0013] In order to more clearly illustrate the technical solutions in the present invention or the prior art, the drawings required for use in the embodiments or the description of the prior art will be briefly introduced below. Obviously, the drawings in the following description are only for the present invention. For ordinary technicians in this field, other drawings can be obtained based on these drawings without paying creative work.

[0014] Figure 1 It is the overall explosion schematic diagram of the present invention; Figure 2 It is a front schematic diagram of the flow channel plate of the present invention; Figure 3 It is a schematic diagram of the reverse side of the flow channel plate of the present invention.

[0015] The markings in the figure are: 1-upper plate, 2-lower plate, 3-flow channel plate, 4-collecting plate, 5-flow inlet chamber, 6-reflux chamber, 7-first flow channel, 8-second flow channel, 9-third flow channel, 10-liquid inlet pipe, 11-liquid outlet pipe, 12-horizontal part one, 13-vertical part one, 14-horizontal part two, 15-vertical part two, 16-horizontal part three, 17-vertical part three, 18-horizontal part four, 19-vertical part four, 20-horizontal part five, 21-vertical part five, 22-horizontal part six, 23-vertical part six. DETAILED DESCRIPTION

[0016] In order to make the objectives, technical solutions and advantages of the present invention more clearly understood, the present invention is further described in detail below in conjunction with specific embodiments.

[0017] It should be noted that, unless otherwise defined, the technical terms or scientific terms used in the present invention should be understood by people with ordinary skills in the field to which the present invention belongs. The "first", "second" and similar words used in the present invention do not indicate any order, quantity or importance, but are only used to distinguish different components. "Include" or "comprise" and similar words mean that the elements or objects appearing before the word include the elements or objects listed after the word and their equivalents, without excluding other elements or objects. "Connect" or "connected" and similar words are not limited to physical or mechanical connections, but may include electrical connections, whether direct or indirect. "Up", "down", "left", "right" and the like are only used to indicate relative positional relationships. When the absolute position of the described object changes, the relative positional relationship may also change accordingly.

[0018] like Figures 1 to 3As shown, a double-sided stamped side heat dissipation liquid cold plate comprises an upper flat plate 1 and a lower flat plate 2, a flow channel plate 3 is arranged between the upper flat plate 1 and the lower flat plate 2, the side of the flow channel plate 3 close to the upper flat plate 1 is the front side, and the side of the flow channel plate 3 close to the lower flat plate 2 is the reverse side, a collecting plate 4 is arranged on the upper left corner of the upper flat plate 1, and the collecting plate 4 comprises an inlet cavity 5 and a return cavity 6; a concave first flow channel 7 is arranged on the four edges of the front side of the flow channel plate 3, and the first flow channel 7 is in the shape of a rectangular frame that is not connected end to end; a concave second flow channel 8 is arranged in the middle of the front side of the flow channel plate 3, and one end of the second flow channel 8 is connected to the inlet cavity 5, the second flow channel 8 is located on the inner side of the first flow channel 7, and the second flow channel 8 is also in the shape of a rectangular frame that is not connected end to end, and the other end of the second flow channel 8 is connected to the return cavity 6; one end of the second flow channel 8 connected to the inlet cavity 5 is connected to the first flow channel 7, and one end of the second flow channel 8 connected to the return cavity 6 is also connected to the first flow channel 7; the flow channel plate 3 has a concave third flow channel 9 connected to the inlet chamber 5 on the reverse side, and the third flow channel 9 is in a rectangular frame shape that is not connected end to end and is connected to the return chamber 6; the third flow channel 9 is located in the gap between the first flow channel 7 and the second flow channel 8, so that the first flow channel 7, the second flow channel 8 and the third flow channel 9 cover the entire flow channel plate 3; the upper plate 1 covers the first flow channel 7 and the second flow channel 8 for sealing, and the lower plate 2 covers the third flow channel 9 for sealing; the first flow channel 7 and the second flow channel 8 are arranged on the front side of the flow channel plate 3, and the third flow channel 9 is arranged on the reverse side of the flow channel plate 3, and the third flow channel 9 is located in the gap between the first flow channel 7 and the second flow channel 8, so that the front and back sides of the flow channel plate 3 are fully utilized; by arranging the collector plate 4 with the inlet chamber 5 and the return chamber 6 and the flow channel flow for inflow and return, the first flow channel 7 and the second flow channel 8 are connected at one end of the inflow, and the return end is also connected, so that the first flow channel 7 and the second flow channel 8 can flow in and return at the same time.

[0019] The inflow and return directions of the third flow channel 9 are opposite to those of the first flow channel 7 and the second flow channel 8 , so that the hot and cold can be separated, ensuring the uniformity of the hot and cold of the flow channel plate 3 .

[0020] Preferably, a liquid inlet pipe 10 is connected to the top of the inlet chamber 5, and a liquid outlet pipe 11 is connected to the top of the reflux chamber 6, so that the coolant enters through the liquid inlet pipe 10 and is discharged from the liquid outlet pipe 11.

[0021] Preferably, the first flow channel 7 includes a horizontal portion 12 whose left end is connected with the second flow channel 8 and flows to the right to the edge of the flow channel plate 3, a vertical portion 13 flowing downward from the right end of the horizontal portion 12 to the edge of the flow channel plate 3, a horizontal portion 14 flowing to the left from the bottom end of the vertical portion 13 to the edge of the flow channel plate 3, and a vertical portion 15 flowing from the left end of the horizontal portion 14 to the second flow channel 8; the second flow channel 8 includes a horizontal portion 16 connected with the inlet chamber 5 and the horizontal portion 12, a vertical portion 17 flowing downward from the right end of the horizontal portion 17, a horizontal portion 18 flowing to the left from the bottom end of the vertical portion 17, and a vertical portion 19 flowing from the left end of the horizontal portion 18 to the reflux chamber 6, and the vertical portion 15 is connected with the vertical portion 19. The third flow channel 9 includes a vertical portion 5 21 connected to the inlet chamber 5, a horizontal portion 5 20 flowing rightward from the bottom of the vertical portion 5 21, a vertical portion 6 23 flowing upward from the bottom of the horizontal portion 5 20, and a horizontal portion 6 22 flowing from the top of the vertical portion 6 23 to the return chamber 6. The first flow channel 7, the second flow channel 8 and the third flow channel 9 all include a rectangular frame shape with horizontal and vertical portions that are not connected end to end, so that the heat dissipation area is wide when flowing, and the uniformity of cooling and heating is further increased.

[0022] The horizontal portion 6 22 is located between the horizontal portion 1 12 and the horizontal portion 3 16, the horizontal portion 5 20 is located between the horizontal portion 2 14 and the horizontal portion 4 18, the vertical portion 5 21 is located between the vertical portion 1 13 and the vertical portion 3 17, and the vertical portion 6 23 is located between the vertical portion 2 15 and the vertical portion 4 19. The horizontal portion 22 of the third flow channel 9 as a return liquid end is located between the horizontal portion 1 12 and the horizontal portion 3 16 as a liquid inlet end, and the horizontal portion 5 20 of the third flow channel 9 as a liquid inlet end is located between the horizontal portion 2 14 and the horizontal portion 4 18 as a return liquid end, so that the cold and hot flow channels are alternately dispersed on the front and back sides of the flow channel plate 3, and the cold and hot uniformity is further improved.

[0023] Preferably, the horizontal portion 12, the horizontal portion 2, the horizontal portion 14, the horizontal portion 3, the horizontal portion 16, the horizontal portion 4, the horizontal portion 18, the horizontal portion 5, and the horizontal portion 6, 22 are all forked, and all the horizontal portions are forked, so that the heat dissipation area is wider.

[0024] Preferably, the upper plate 1 is provided with a through hole for connecting the second flow channel 8 with the reflux chamber 6, the upper plate 1 is provided with a through hole for connecting the third flow channel 9 with the inlet chamber 5, the upper plate 1 and the flow channel plate 3 are provided with a through hole for connecting the third flow channel 9 with the reflux chamber 6; the upper plate 1 and the flow channel plate 3 are provided with a through hole for connecting the second flow channel 8 with the inlet chamber 5; these through holes facilitate the circulation of the coolant.

[0025] Those skilled in the art should understand that the discussion of any of the above embodiments is only exemplary and is not intended to imply that the scope of the present invention is limited to these examples; under the concept of the present invention, the technical features in the above embodiments or different embodiments can also be combined, the steps can be implemented in any order, and there are many other changes in different aspects of the present invention as described above, which are not provided in detail for the sake of simplicity. Any omissions, modifications, equivalent substitutions, improvements, etc. made within the spirit and principles of the present invention should be included in the scope of protection of the present invention.

Claims

1. A double-sided stamped side heat dissipation liquid cold plate, comprising an upper flat plate (1) and a lower flat plate (2), a flow channel plate (3) being arranged between the upper flat plate (1) and the lower flat plate (2), characterized in that: The side of the flow channel plate (3) close to the upper plate (1) is the front side, and the side of the flow channel plate (3) close to the lower plate (2) is the back side. A current collecting plate (4) is arranged at the upper left corner of the upper plate (1), and the current collecting plate (4) includes an inlet chamber (5) and a return chamber (6). A concave first flow channel (7) is arranged on the four edges of the front side of the flow channel plate (3), and the first flow channel (7) is in the shape of a rectangular frame that is not connected end to end. A concave second flow channel (8) is arranged in the middle of the front side of the flow channel plate (3), and one end of the second flow channel (8) is connected to the inlet chamber (5). The second flow channel (8) is located on the inner side of the first flow channel (7), and the second flow channel (8) is also in the shape of a rectangular frame that is not connected end to end. The other end of the second flow channel (8) is connected to the return chamber (6). The second flow channel (8) is connected to the inlet chamber (5) at one end and to the first flow channel ( The first and second flow channels (7) are connected to each other, and one end of the second flow channel (8) connected to the return chamber (6) is also connected to the first flow channel (7); the reverse side of the flow channel plate (3) is connected to the inlet chamber (5) and has a recessed third flow channel (9); the third flow channel (9) is in the shape of a rectangular frame that is not connected end to end and is connected to the return chamber (6); the third flow channel (9) is located in the gap between the first flow channel (7) and the second flow channel (8), so that the first flow channel (7), the second flow channel (8) and the third flow channel (9) cover the entire flow channel plate (3); the upper plate (1) covers the first flow channel (7) and the second flow channel (8) for sealing, and the lower plate (2) covers the third flow channel (9) for sealing; the inlet and return directions of the third flow channel (9) are opposite to those of the first flow channel (7) and the second flow channel (8).

2. According to claim 1, a double-sided stamping side heat dissipation liquid cold plate is characterized in that: The top of the inflow chamber (5) is connected to a liquid inlet pipe (10), and the top of the reflux chamber (6) is connected to a liquid outlet pipe (11).

3. The double-sided stamped side heat dissipation liquid cold plate according to claim 1, characterized in that: The first flow channel (7) comprises a horizontal portion 1 (12) whose left end is connected to the second flow channel (8) and flows horizontally to the right to the edge of the flow channel plate (3), a vertical portion 1 (13) flowing downward from the right end of the horizontal portion 1 (12) to the edge of the flow channel plate (3), a horizontal portion 2 (14) flowing from the bottom end of the vertical portion 1 (13) to the left to the edge of the flow channel plate (3), and a vertical portion 2 (15) flowing from the left end of the horizontal portion 2 (14) to the second flow channel (8).

4. A double-sided stamped side heat dissipation liquid cold plate according to claim 3, characterized in that: The second flow channel (8) includes a horizontal portion three (16) connected to the inlet chamber (5) and the horizontal portion one (12), a vertical portion three (17) flowing downward from the right end of the horizontal portion three, a horizontal portion four (18) flowing leftward from the bottom end of the vertical portion three (17), and a vertical portion four (19) flowing from the left end of the horizontal portion four (18) to the return chamber (6), and the vertical portion two (15) is connected to the vertical portion four (19).

5. A double-sided stamped side heat dissipation liquid cold plate according to claim 4, characterized in that: The third flow channel (9) comprises a vertical portion five (21) connected to the inlet chamber (5), a horizontal portion five (20) flowing rightward from the bottom end of the vertical portion five (21), a vertical portion six (23) flowing upward from the bottom end of the horizontal portion five (20), and a horizontal portion six (22) flowing from the top end of the vertical portion six (23) to the return chamber (6).

6. A double-sided stamped side heat dissipation liquid cold plate according to claim 5, characterized in that: The horizontal portion six (22) is located between the horizontal portion one (12) and the horizontal portion three (16), the horizontal portion five (20) is located between the horizontal portion two (14) and the horizontal portion four (18), the vertical portion five (21) is located between the vertical portion one (13) and the vertical portion three (17), and the vertical portion six (23) is located between the vertical portion two (15) and the vertical portion four (19).

7. A double-sided stamped side heat dissipation liquid cold plate according to claim 6, characterized in that: The horizontal portion one (12), the horizontal portion two (14), the horizontal portion three (16), the horizontal portion four (18), the horizontal portion five (20) and the horizontal portion six (22) are all bifurcated.

8. The double-sided stamping side heat dissipation liquid cold plate according to claim 1, characterized in that: The upper plate (1) is provided with a through hole for connecting the second flow channel (8) with the reflux chamber (6); the upper plate (1) is provided with a through hole for connecting the third flow channel (9) with the inlet chamber (5); the upper plate (1) and the flow channel plate (3) are provided with a through hole for connecting the third flow channel (9) with the reflux chamber (6); and the upper plate (1) and the flow channel plate (3) are provided with a through hole for connecting the second flow channel (8) with the inlet chamber (5).

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