Double-sided stamping type side heat dissipation liquid cooling plate

Abstract

The utility model relates to the technical field of energy storage battery cooling plates, and provides a double-sided stamping type side heat dissipation liquid cooling plate, which is characterized in that 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 positioned 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 utility model relates to the technical field of energy storage battery cooling plates, 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 composed of 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. Utility Model Content

[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 distribution is uneven.

[0004] Based on the above purpose, the utility model 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 back side, a collecting plate is arranged at the upper left corner of the upper flat plate, the collecting plate comprises an inlet cavity and a return cavity; 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 with no end connected; 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 cavity, 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 with no end connected, 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 provided on the back of the flow channel plate and is connected to the inlet chamber, and the third flow channel is in the shape of a rectangular frame that is not connected end to end and is connected to the reflux chamber; 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, the second flow channel and the third flow channel cover the entire flow channel plate; the upper flat plate covers the first flow channel and the second flow channel for sealing, and the lower flat 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 flow channel and the second flow channel.

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

[0006] Preferably, the first flow channel comprises a horizontal part one, a vertical part one, a horizontal part two, and a vertical part two.

[0007] Preferably, the second flow channel comprises a horizontal part three, a vertical part three, a horizontal part four, and a vertical part four.

[0008] Preferably, the third flow channel comprises a vertical part five, a horizontal part five, a vertical part six, and a horizontal part six.

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

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

[0011] Preferably, the upper plate is provided with a through hole for the second flow channel to communicate with the return flow cavity, the upper plate is provided with a through hole for the third flow channel to communicate with the inlet flow cavity, the upper plate and the flow channel plate are provided with a through hole for the third flow channel to communicate with the return flow cavity, and the upper plate and the flow channel plate are provided with a through hole for the second flow channel to communicate with the inlet flow cavity.

[0012] The first flow channel and the second flow channel are arranged on the front surface of the flow channel plate, the third flow channel is arranged on the back surface 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 the front surface and the back surface of the flow channel plate are fully utilized. BRIEF DESCRIPTION OF DRAWINGS

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

[0014] Fig. 1 This is a schematic diagram of the overall explosion of the utility model;

[0015] Fig. 2 This is a front view of the flow channel plate of the utility model;

[0016] Fig. 3 It is a schematic diagram of the reverse side of the flow channel plate of the present invention.

[0017] The following are marked in the figure:

[0018] 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

[0019] In order to make the purpose, technical solutions and advantages of the present invention more clearly understood, the present invention is further described in detail below in conjunction with specific embodiments.

[0020] It should be noted that, unless otherwise defined, the technical or scientific terms used in this utility model should have the usual meanings understood by people with ordinary skills in the field to which this utility model belongs. The "first", "second" and similar words used in this utility model 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 position relationships. When the absolute position of the object being described changes, the relative position relationship may also change accordingly.

[0021] like Figs. 1 to 3As shown, a double-sided stamped side heat dissipation liquid cold plate includes 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 flow channel plate 3 is close to the upper flat plate 1 on the front side, and the flow channel plate 3 is close to the lower flat plate 2 on the back side, and a collecting plate 4 is arranged on the upper left corner of the upper flat plate 1, and the collecting plate 4 includes 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 with no end connected; 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 with no end connected, 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 is connected to the inlet cavity 5 and is connected to the first flow channel 7, and the second flow channel 8 is connected to the return cavity 6 and is also connected to the first flow 7; the flow channel plate 3 has a recessed third flow channel 9 on the reverse side thereof which is connected to the inlet cavity 5. The third flow channel 9 is in the shape of a rectangular frame which is not connected end to end and is connected to the return cavity 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 a collecting plate 4 with an inlet cavity 5 and a return cavity 6 and communicating with the flow channel 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 one end of the return, so that the first flow channel 7 and the second flow channel 8 can flow in and return at the same time.

[0022] 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 , so that the hot and cold can be separated, ensuring the uniformity of the hot and cold of the flow channel plate 3 .

[0023] Preferably, the top of the inlet 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 , so that the coolant enters through the liquid inlet pipe 10 and is discharged from the liquid outlet pipe 11 .

[0024] Preferably, the first flow channel 7 comprises a horizontal part 12 which is in communication with the second flow channel 8 and flows horizontally to the right edge of the flow channel plate 3, a vertical part 13 which flows downward from the right end of the horizontal part 12 to the edge of the flow channel plate 3, a horizontal part 14 which flows to the left from the bottom end of the vertical part 13 to the edge of the flow channel plate 3, and a vertical part 15 which flows to the second flow channel 8 from the left end of the horizontal part 14; the second flow channel 8 comprises a horizontal part 16 which is in communication with the inflow cavity 5 and the horizontal part 12, a vertical part 17 which flows downward from the right end of the horizontal part 16, a horizontal part 18 which flows to the left from the bottom end of the vertical part 17, and a vertical part 19 which flows to the return flow cavity 6 from the left end of the horizontal part 18, and the vertical part 15 is in communication with the vertical part 19. The third flow channel 9 comprises a vertical part 21 which is in communication with the inflow cavity 5, a horizontal part 20 which flows to the right from the bottom end of the vertical part 21, a vertical part 23 which flows upward from the bottom end of the horizontal part 20, and a horizontal part 22 which flows to the return flow cavity 6 from the top end of the vertical part 23. The first flow channel 7, the second flow channel 8 and the third flow channel 9 each comprise horizontal parts and vertical parts which form a rectangular frame shape without connection at the ends, so that the heat dissipation area is wide and the uniformity of cold and heat is further increased.

[0025] The horizontal part 22 is located between the horizontal part 12 and the horizontal part 16, the horizontal part 20 is located between the horizontal part 14 and the horizontal part 18, the vertical part 21 is located between the vertical part 13 and the vertical part 17, and the vertical part 23 is located between the vertical part 15 and the vertical part 19. The horizontal part 22 of the third flow channel 9 which is the return flow one end is located between the horizontal part 12 which is the inflow one end and the horizontal part 16, and the horizontal part 20 of the third flow channel 9 which is the inflow one end is located between the horizontal part 14 which is the return flow one end and the horizontal part 18, so that the cold and heat flow channels are alternately and dispersed on the front and back surfaces of the flow channel plate 3, and the uniformity of cold and heat is further increased.

[0026] Preferably, the horizontal part 12, the horizontal part 14, the horizontal part 16, the horizontal part 18, the horizontal part 20 and the horizontal part 22 are bifurcated, and all the horizontal parts are bifurcated, so that the heat dissipation area is wider.

[0027] Preferably, the upper plate 1 is provided with a through hole for the communication between the second flow channel 8 and the return flow cavity 6, the upper plate 1 is provided with a through hole for the communication between the third flow channel 9 and the inflow cavity 5, the upper plate 1 and the flow channel plate 3 are provided with a through hole for the communication between the third flow channel 9 and the return flow cavity 6, and the upper plate 1 and the flow channel plate 3 are provided with a through hole for the communication between the second flow channel 8 and the inflow cavity 5; these through holes facilitate the circulation of the cooling liquid.

[0028] Those skilled in the art should understand that the discussion of any of the above embodiments is merely exemplary and is not intended to suggest that the scope of the present application is limited to these examples; the above embodiments or technical features among different embodiments can also be combined, steps can be implemented in any order, and there are many other changes, such as the different aspects of the present application as described above. In order to be brief, they are not provided in detail. Any omission, modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present application shall be included in the protection scope of the present application.

Claims

1. A double-sided stamped side heat dissipation liquid cold plate, comprising an upper flat plate (1) and a lower flat plate (2), wherein a flow channel plate (3) is provided 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 collecting plate (4) is provided on the upper left corner of the upper plate (1), and the collecting plate (4) includes an inlet chamber (5) and a return chamber (6); a concave first flow channel (7) is provided 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 with no end connected; a concave second flow channel (8) is provided in the middle of the front side of the flow channel plate (3), one end of which is connected to the inlet chamber (5), and 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 with no end connected, and 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 the first flow channel ( 7) are connected together, and one end of the second flow channel (8) is connected to the return chamber (6) and 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) with a recessed third flow channel (9), and the third flow channel (9) is in the shape of a rectangular frame with no end connected 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) and 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 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).

2. The double-sided stamped side heat dissipation liquid cold plate according to claim 1, 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) includes a horizontal portion (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 (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 from the bottom end of the vertical portion (13) to the left 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).

4. The 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. The double-sided stamped side heat dissipation liquid cold plate according to claim 4, characterized in that: The third flow channel (9) includes a vertical portion five (21) communicating with 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. The 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. The 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 stamped side heat dissipation liquid cold plate according to claim 1, characterized in that: The upper plate (1) is provided with a through hole for the second flow channel (8) to communicate with the reflux chamber (6), the upper plate (1) is provided with a through hole for the third flow channel (9) to communicate with the inlet chamber (5), the upper plate (1) and the flow channel plate (3) are provided with a through hole for the third flow channel (9) to communicate with the reflux chamber (6); the upper plate (1) and the flow channel plate (3) are provided with a through hole for the second flow channel (8) to communicate with the inlet chamber (5).

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