CN212725426U - Novel liquid cooling plate - Google Patents
Novel liquid cooling plate Download PDFInfo
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- CN212725426U CN212725426U CN202022009797.5U CN202022009797U CN212725426U CN 212725426 U CN212725426 U CN 212725426U CN 202022009797 U CN202022009797 U CN 202022009797U CN 212725426 U CN212725426 U CN 212725426U
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
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- Y02E60/10—Energy storage using batteries
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Abstract
The utility model provides a novel liquid cooling board relates to battery technical field, has solved the relatively poor technical problem of liquid cooling board heat transfer homogeneity that exists among the prior art. This liquid cooling plate includes internal flow channel, and wherein, internal flow channel's bottom is provided with the inlet, is provided with the leakage fluid dram on internal flow channel's the top, can follow the leakage fluid dram after the latticed internal flow channel of coolant liquid follow inlet inflow. The utility model is used for the cooling of battery guarantees the homogeneity of power battery temperature as far as possible.
Description
Technical Field
The utility model belongs to the technical field of the battery technique and specifically relates to a novel liquid cooling board is related to.
Background
The working performance of the power battery of the electric automobile is seriously affected by the temperature, and the battery is required to be in an appropriate temperature in order to ensure the working performance of the power battery. The working environment temperature of the power battery is between 30 ℃ below zero and 55 ℃ at present, the ideal working temperature of the battery is between 15 ℃ and 30 ℃, the traditional air cooling and natural cooling can not meet the use conditions and requirements, and a liquid cooling technology is applied.
Liquid cooling plates are the most common way of liquid cooling technology at present. In the design of the liquid cooling plate, the flow uniformity and the heat exchange efficiency are two very important aspects, especially the flow uniformity, and the heat exchange uniformity can be influenced, so that the temperature uniformity, namely the temperature difference, of the battery is influenced.
The novel liquid cooling plate with the series-parallel structure has the characteristics of good flowing uniformity and high heat exchange efficiency, the uniformity of the temperature of the power battery is ensured as much as possible, and the temperature of the battery is kept within a reasonable range.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a novel liquid cooling board has solved the relatively poor technical problem of liquid cooling board heat transfer homogeneity that exists among the prior art. The utility model provides a plurality of technical effects that preferred technical scheme among a great deal of technical scheme can produce see the explanation below in detail.
In order to achieve the above purpose, the utility model provides a following technical scheme:
the utility model provides a pair of novel liquid cooling board, including internal flow way, wherein, internal flow way's bottom is provided with the inlet, be provided with the leakage fluid dram on internal flow way's the top, follow the coolant liquid that the inlet flowed in is latticed can be followed behind the internal flow way the leakage fluid dram is discharged.
Further, the internal flow passages form a rectangular grid shape which is vertically crossed.
Furthermore, a liquid groove structure used for increasing the heat exchange area is arranged on part or all of the grid intersections of the internal flow channels.
Further, along the direction of height from the bottom up of liquid-cooled board divide into lower part region, middle part region and upper portion region in proper order, the regional every of middle part the volume of cistern structure is greater than the regional every of upper portion the volume of cistern structure, the volume of regional every cistern structure of middle part is not less than the regional every of lower part the volume of cistern structure.
Further, the volumes of the liquid groove structures in the middle area are the same; the volume of each liquid groove structure in the upper area is the same.
Further, the inlet sets up one side of inside runner bottom, follow in the lower part region the direction of height distribution of novel liquid cooling board is at least one row the cistern structure just exists one row at least its volume of cistern structure is followed the length direction of novel liquid cooling board is the trend of increase, just be close to in the lower part region the volume of the cistern structure of inlet one side is minimum.
Further, novel liquid cooling plate includes front shroud and back shroud, the front shroud with the back shroud sets up relatively and both laminate mutually, be provided with the net recess on the back shroud, the net recess is used for forming inside runner.
Further, circular grooves are formed at the intersections of the grid grooves.
Furthermore, a turbulence protruding structure is arranged on the front cover plate and is respectively located in the sections corresponding to the grid grooves.
Further, the protruding structure of vortex is the vertical criss-cross latticed structure of level, and is in every row and every row in the protruding structure of vortex, the protruding structure of vortex is along its extending direction interval distribution.
Furthermore, the grid grooves and the circular grooves on the rear cover plate and the turbulence structures on the front cover plate are formed in a punch mode.
The utility model provides a novel liquid cooling board, when the coolant liquid was entered by the inlet, because the inlet is located the bottom, the coolant liquid upwards impels (the inside runner is preferred to be the vertical criss-cross rectangle latticed structure of level) along latticed inside runner, discharges from the leakage fluid dram at top, is favorable to realizing the even flow of coolant liquid, is favorable to the homogeneity of heat transfer, reduces the difference in temperature between the battery.
The utility model discloses preferred technical scheme can also produce following technological effect at least:
a liquid tank structure is arranged on part or all of the grid cross points of the internal flow channel and is used for increasing the heat exchange area;
the volume of each liquid tank structure in the middle area is larger than that of each liquid tank structure in the upper area, the volume of each liquid tank structure in the middle area is not smaller than that of each liquid tank structure in the lower area, and the volumes of the liquid tank structures in the middle area are the same; the volumes of all liquid tank structures in the upper area are the same, and the volume of each liquid discharge tank structure in the lower area tends to increase along the length direction of the novel liquid cooling plate, so that the uniformity of the temperature of the battery is ensured as much as possible;
be provided with vortex protruding structure on the front shroud, vortex protruding structure plays the reinforcing vortex, improves the effect of heat transfer effect.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.
Fig. 1 is a schematic structural view of a novel liquid cooling plate provided by an embodiment of the present invention;
fig. 2 is a schematic structural diagram of a rear cover plate according to an embodiment of the present invention;
fig. 3 is a schematic structural diagram of a front cover plate according to an embodiment of the present invention;
fig. 4 is a schematic sectional view of a novel liquid cooling plate provided by an embodiment of the present invention.
FIG. 1-loading port; 2-a liquid discharge port; 3-a liquid bath structure; 4-front cover plate; 41-a turbulent flow convex structure; 5-a rear cover plate; 51-grid grooves; 52-circular groove; 6-a water inlet pipeline; 7-water outlet pipeline.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention clearer, the technical solutions of the present invention will be described in detail below. It is to be understood that the embodiments described are only some embodiments of the invention, and not all embodiments. Based on the embodiments of the present invention, all other embodiments obtained by a person skilled in the art without creative efforts belong to the protection scope of the present invention.
Referring to fig. 1-4, the utility model provides a novel liquid cooling plate, including internal flow channel, wherein, internal flow channel's bottom is provided with inlet 1, is provided with leakage fluid dram 2 on internal flow channel's the top, can follow leakage fluid dram 2 after latticed internal flow channel from the coolant liquid of inlet 1 inflow. When the coolant liquid entered by inlet 1, because inlet 1 is located the bottom, the coolant liquid upwards impeld along latticed inside flow path, discharged from leakage fluid dram 2 at top, was favorable to realizing the even flow of coolant liquid, was favorable to the homogeneity of heat transfer, reduced the difference in temperature between the battery.
As the embodiment of the utility model provides an optional implementation mode, the inside runner forms the vertical criss-cross rectangle latticed of level. Referring to fig. 4, horizontal runner and vertical runner intercross, because the bottom of internal flow is provided with inlet 1 (see fig. 4, inlet 1 sets up the one side at the liquid cooling board one row of horizontal runner at the bottom), be provided with leakage fluid dram 2 on the top of internal flow (see fig. 4, leakage fluid dram 2 sets up the one side at the liquid cooling board one row of horizontal runner at the top), when the coolant liquid was advanced by inlet 1, the coolant liquid flowing water was located the horizontal runner of bottom, then along vertical runner, the successive layer upwards impels, realize the coolant liquid even flow, be favorable to the homogeneity of heat transfer, reduce the difference in temperature between the battery. Regarding the internal flow channels, referring to fig. 4, the intervals between the horizontal flow channels are the same and the cross-sectional sizes of the horizontal flow channels are the same, and the intervals between the vertical flow channels are also the same and the cross-sectional sizes of the vertical flow channels are the same.
As the embodiment of the utility model provides an optional implementation mode, be provided with the cistern structure 3 that is used for increasing heat transfer area on the partial or whole net crosspoint of internal flow channel. Referring to fig. 4, it is shown that the liquid tank structure 3 is disposed at the intersection of all the grids of the internal flow channel, and the liquid tank structure 3 increases the heat exchange area, which is beneficial to reducing the temperature of the battery. As for the cross-sectional shape (cross-section parallel to the liquid-cooled plates) of the liquid bath structure 3, it may be circular, but is not limited to circular, and may also be other shapes, such as diamond, rectangle, etc.
As an optional implementation mode of the embodiment of the present invention, the liquid cooling plate is sequentially divided into a lower area, a middle area and an upper area from bottom to top along the height direction of the liquid cooling plate, the shapes of the liquid tank structures 3 on the liquid cooling plate can be the same, but the sizes of the liquid tank structures can be not completely the same, and the volume of each liquid tank structure 3 in the middle area is larger than that of each liquid tank structure 3 in the upper area, and the volume of each liquid tank structure 3 in the middle area is not smaller than that of each liquid tank structure 3 in the lower area. When the cooling liquid enters the liquid cooling plate through the water inlet pipeline 6, the temperature of the cooling liquid is the lowest, the heat exchange effect is the best, and in order to ensure the temperature uniformity of the battery, the heat exchange area of the lower area is correspondingly reduced, so that the volume of the liquid tank structure 3 of the lower area is the smallest (the diameter of the liquid tank structure 3 of the lower area is small, and the heat exchange area is small); because the temperature of the middle position of the battery PACK in the PACK box is highest, the required heat exchange amount is also the largest, and the volume of the liquid tank structure 3 in the middle area is the largest; similarly, the temperature of the upper part of the cell is lower than the temperature of the middle part of the cell, and the temperature of the cooling liquid rises, so that the volume of the liquid groove structure 3 in the upper part is centered.
In addition, regarding the division of the lower area, the middle area and the upper area of the liquid cooling plate, the division may be determined according to actual conditions, and the width values of the areas in the height direction of the liquid cooling plate may be consistent or may not be consistent.
As an optional implementation manner of the embodiment of the present invention, the volumes of the liquid tank structures 3 in the middle area are the same; the volume of each liquid bath structure 3 in the upper region is the same. As for the size of each liquid bath structure 3 in the lower area, the following can be mentioned: inlet 1 sets up the one side at the inside runner bottom, along the at least one cistern structure 3 of the direction of height distribution of novel liquid cooling board in the lower part region and there is the trend that its volume of at least one cistern structure 3 is the increase along the length direction of novel liquid cooling board (to cistern structure 3 on the lower part region, can be the trend that its volume of all cistern structures 3 of arranging is the increase along the length direction of novel liquid cooling board, can also be the trend that its volume of part of the cistern structures 3 of arranging is the increase along the length direction of novel liquid cooling board, if the latter condition, along the regional direction of height in lower part, the volume of cistern structures 3 is gradual change row and upwards distributes from the bottom in proper order), and the volume of the cistern structure 3 that is close to inlet 1 one side in the lower part region is minimum. Referring to fig. 4, it is shown that two rows of liquid tank structures 3 are distributed in the lower area along the height direction of the novel liquid cooling plate, and the volumes of the two rows of liquid tank structures 3 are increased along the length direction of the novel liquid cooling plate. Because the temperature of the cooling liquid in the liquid inlet 1 is the lowest, the heat exchange effect is the strongest, and the temperature of the cooling liquid is gradually increased along with the extension of the flow. In order to ensure the temperature uniformity of the lower area of the battery as much as possible, the liquid tank structure 3 of the lower area is arranged in a mode that the volume of the liquid tank is gradually increased. When cooling liquid enters from the liquid inlet 1, flowing water of the cooling liquid is located in a horizontal flow channel at the bottom, and then the cooling liquid is pushed upwards layer by layer along a vertical flow channel, and due to the flowing mode of the cooling liquid in the internal flow channel, the temperature of the cooling liquid tends to be consistent when the middle area and the upper area of the liquid cooling plate flow channel are cooled, so that the volume of each liquid tank structure 3 in the middle area is consistent; the volume of each of the fluid bath structures 3 in the upper region is uniform.
In addition, in order to avoid the situation that the liquid tank structure 3 with the largest volume is not completely filled in the lower area, the liquid tank structure 3 with the smallest volume is filled, and the water level rises to enter the liquid tank structure 3 above the liquid tank structure, the difference between the smallest volume and the largest volume cannot be too large in the same liquid discharge tank structure 3 in the lower area.
As the embodiment of the utility model provides an optional embodiment, novel liquid cooling plate includes front shroud 4 and back shroud 5, and front shroud 4 and back shroud 5 set up relatively and both laminate mutually, are provided with net recess 51 on the back shroud 5, and net recess 51 is used for forming inside runner. Referring to fig. 1, the utility model provides a vertical placing of liquid cooling plate, front shroud 4 and back shroud 5 set up relatively and both laminate mutually, form internal flow channel through the face and the net recess 51 of laminating mutually between front shroud 4 and the back shroud 5.
As an optional implementation manner of the embodiment of the present invention, a circular groove 52 is formed at the intersection of the grid groove 51. The circular groove 52 is used to form the liquid bath structure 3, and the cross-sectional shape (cross-section parallel to the liquid cooling plates) of the circular groove 52 may be circular, but is not limited to circular, and may be other shapes.
As the embodiment of the utility model provides an optional implementation mode, be provided with vortex protruding structure 41 on the front shroud 4, vortex protruding structure 41 is located the district section that net recess 51 corresponds respectively. Referring to fig. 3 and 4, a plurality of turbulence protrusion structures 41 are distributed along the height direction of the front cover plate 4, a plurality of turbulence protrusion structures 41 are distributed along the length direction of the front cover plate 4, each row of turbulence protrusion structures can form a horizontal vertical crossed grid structure, and in each row and each row, the turbulence protrusion structures 41 are distributed at intervals, the front cover plate 4 and the rear cover plate 5 are attached to each other, and each turbulence protrusion structure 41 is just arranged in the middle of the corresponding horizontal flow channel and the corresponding vertical flow channel, so that turbulence is enhanced, and the heat exchange effect is improved.
As the embodiment of the utility model provides an optional embodiment, the vortex structure on net recess 51 and circular recess 52 and the front shroud 4 on the back shroud 5 is stamping forming, and processing method is simple, easily makes.
Example 1:
a novel liquid cooling plate comprises a front cover plate 4 and a rear cover plate 5, wherein the front cover plate 4 and the rear cover plate 5 are arranged oppositely and are attached to each other, a grid groove 51 is formed in the rear cover plate 5, the grid groove 51 is of a horizontal and vertical crossed rectangular grid structure, the grid groove 51 is used for forming an internal flow channel between the front cover plate 4 and the rear cover plate 5, a circular groove 52 is formed in a cross point of the grid groove 51, the circular groove 52 is used for forming a liquid groove structure 3 for increasing the heat exchange area, a turbulence protrusion structure 41 is arranged on the front cover plate 4, each turbulence protrusion structure 41 is just arranged between the corresponding horizontal flow channel and the corresponding vertical flow channel, turbulence is enhanced, and the heat exchange effect is improved;
the liquid cooling plate is sequentially divided into a lower area, a middle area and an upper area from bottom to top along the height direction of the liquid cooling plate, the volume of each liquid tank structure 3 in the middle area is larger than that of each liquid tank structure 3 in the upper area, and the volume of each liquid tank structure 3 in the middle area is not smaller than that of each liquid tank structure 3 in the lower area; the volumes of all the liquid groove structures 3 in the middle area are the same; the volume of each liquid bath structure 3 in the upper area is the same; inlet 1 sets up the one side in interior runner bottom, and its volume of 3 at least one drain tank structures 3 and every drain tank structures along the length direction of novel liquid cooling board of the direction of height distribution of novel liquid cooling board is the trend of increase in the lower part region, and the volume that is close to the liquid tank structure 3 of 1 one side of inlet in the lower part region is minimum.
The above description is only for the specific embodiments of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art can easily think of the changes or substitutions within the technical scope of the present invention, and all should be covered within the protection scope of the present invention. Therefore, the protection scope of the present invention shall be subject to the protection scope of the claims.
Claims (11)
1. A novel liquid cooling plate is characterized by comprising an internal flow passage, wherein,
the bottom of the internal flow passage is provided with a liquid inlet (1), the top of the internal flow passage is provided with a liquid outlet (2), and cooling liquid flowing in from the liquid inlet (1) can be discharged from the liquid outlet (2) after passing through the latticed internal flow passage.
2. The novel liquid cooled panel of claim 1, wherein the internal flow channels form a rectangular grid that intersects vertically flat.
3. The new liquid cooling plate as claimed in claim 1, wherein liquid groove structure (3) for increasing heat exchange area is arranged on the cross point of some or all of the grids of the internal flow channel.
4. The novel liquid cooling plate according to claim 3, characterized in that the plate is divided into a lower area, a middle area and an upper area in the height direction of the plate from bottom to top, the volume of each liquid tank structure (3) in the middle area is larger than that of each liquid tank structure (3) in the upper area, and the volume of each liquid tank structure (3) in the middle area is not smaller than that of each liquid tank structure (3) in the lower area.
5. The new liquid-cooled plate according to claim 4, characterized in that the volume of each of said liquid bath structures (3) in said central area is the same; the volume of each liquid bath structure (3) in the upper area is the same.
6. The novel liquid cooling plate according to claim 4, wherein the liquid inlet (1) is disposed at one side of the bottom of the internal flow channel, at least one row of the liquid groove structures (3) is distributed along the height direction of the novel liquid cooling plate in the lower region, and there is a tendency that the volume of at least one row of the liquid groove structures (3) increases along the length direction of the novel liquid cooling plate, and the volume of the liquid groove structures (3) at one side of the lower region close to the liquid inlet (1) is the smallest.
7. The novel liquid cooling plate as claimed in any one of claims 1 to 6, wherein the novel liquid cooling plate comprises a front cover plate (4) and a rear cover plate (5), the front cover plate (4) and the rear cover plate (5) are arranged oppositely and are attached to each other, and a grid groove (51) is arranged on the rear cover plate (5), and the grid groove (51) is used for forming the internal flow passage.
8. The new liquid cooling plate of claim 7, characterized in that the grid grooves (51) are formed with circular grooves (52) at their intersection points.
9. The novel liquid cooling plate as claimed in claim 7, wherein the front cover plate (4) is provided with turbulence protrusion structures (41), and the turbulence protrusion structures (41) are respectively located in corresponding sections of the grid grooves (51).
10. The new liquid cooling plate as claimed in claim 9, wherein said turbulator protrusion structures (41) are in a grid-like structure crossing horizontally and vertically, and in each row and each column of said turbulator protrusion structures (41), said turbulator protrusion structures (41) are spaced along the extending direction thereof.
11. The new liquid cooling plate as claimed in claim 9, characterized in that the grid grooves (51) and the circular grooves (52) on the back cover plate (5) and the flow disturbing structures on the front cover plate (4) are both punch formed.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022009797.5U CN212725426U (en) | 2020-09-14 | 2020-09-14 | Novel liquid cooling plate |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022009797.5U CN212725426U (en) | 2020-09-14 | 2020-09-14 | Novel liquid cooling plate |
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| Publication Number | Publication Date |
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| CN212725426U true CN212725426U (en) | 2021-03-16 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202022009797.5U Active CN212725426U (en) | 2020-09-14 | 2020-09-14 | Novel liquid cooling plate |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117477100A (en) * | 2023-12-26 | 2024-01-30 | 国文电气股份有限公司 | Air-cooled and liquid-cooled integrated heat-dissipation energy storage cabinet |
-
2020
- 2020-09-14 CN CN202022009797.5U patent/CN212725426U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117477100A (en) * | 2023-12-26 | 2024-01-30 | 国文电气股份有限公司 | Air-cooled and liquid-cooled integrated heat-dissipation energy storage cabinet |
| CN117477100B (en) * | 2023-12-26 | 2024-03-15 | 国文电气股份有限公司 | Air-cooled and liquid-cooled integrated heat-dissipation energy storage cabinet |
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