CN217881661U - Novel flat electric core and cooling plate structure of lying - Google Patents
Novel flat electric core and cooling plate structure of lying Download PDFInfo
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- CN217881661U CN217881661U CN202222046114.2U CN202222046114U CN217881661U CN 217881661 U CN217881661 U CN 217881661U CN 202222046114 U CN202222046114 U CN 202222046114U CN 217881661 U CN217881661 U CN 217881661U
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- shell
- cooling plate
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- electric core
- concave
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- 238000001816 cooling Methods 0.000 title claims abstract description 53
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 16
- 229910000838 Al alloy Inorganic materials 0.000 claims description 4
- 238000000465 moulding Methods 0.000 abstract description 13
- 239000003792 electrolyte Substances 0.000 abstract description 9
- 230000000694 effects Effects 0.000 abstract description 5
- 230000015572 biosynthetic process Effects 0.000 abstract 1
- 230000005611 electricity Effects 0.000 abstract 1
- 230000017525 heat dissipation Effects 0.000 description 4
- 230000009286 beneficial effect Effects 0.000 description 3
- 230000008901 benefit Effects 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 230000002349 favourable effect Effects 0.000 description 2
- 238000010030 laminating Methods 0.000 description 2
- 230000002035 prolonged effect Effects 0.000 description 2
- 239000000956 alloy Substances 0.000 description 1
- 230000010261 cell growth Effects 0.000 description 1
- 239000002826 coolant Substances 0.000 description 1
- 239000000110 cooling liquid Substances 0.000 description 1
- 230000009189 diving Effects 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 239000012774 insulation material Substances 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000000717 retained effect Effects 0.000 description 1
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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
- Y02E60/00—Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
- Y02E60/10—Energy storage using batteries
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- Battery Mounting, Suspending (AREA)
Abstract
The utility model relates to the technical field of power batteries, and provides a novel flat electric core and cooling plate structure, which comprises a shell, a cover plate and a water cooling plate, wherein the whole shell is in a cuboid shape, the front part of the shell is provided with an opening, and the top surface of the shell is a concave-convex shaped surface; the cover plate is fixed at the front opening of the shell to seal the front opening of the shell; the water cooling plate is fixed on the shell; through the setting of above-mentioned structure for can additionally hold more electrolyte in the recess of the formation of unsmooth molding face, can improve the cycle life of electric core, and when circulation later stage electricity core deformation, unsmooth molding face can be deformed in order to hold the electric core that swells, in order to avoid the too big inefficacy that leads to of module internal stress, because the surface area of unsmooth molding face is great, consequently, can improve the radiating efficiency, thereby solved current electric core capacity and easily jumped water, deformation easily leads to the problem that module inefficacy and radiating effect are poor.
Description
Technical Field
The utility model relates to a power battery technical field especially relates to a novel flat electric core and cooling plate structure of lying.
Background
Power battery is new forms of energy electric automobile's core power device, occupies important strategic position in electric motor car technical field, except conventional vertical electric core, the electric core of formula of lying still, the formula of lying electric core is than vertical electric core, and required inflation compensation material and thermal insulation material can reduce by a wide margin between its electric core and the electric core, do benefit to reduce cost, and have advantages such as longe-lived, integrated level height.
The utility model discloses a current utility model patent with the publication number of CN206271772U, which discloses a flat-lying type square battery module, which comprises a cell group, wherein the cell group is in a cuboid structure and is formed by stacking a plurality of square single cells in parallel and in multiple rows, the electrodes of the single cells are all arranged on the front surface of the cell group, the front surface of the cell group is provided with a cover plate, the upper side surface and the lower side surface of the cell group are respectively provided with a side plate, and the left end and the right end of the cell group are respectively provided with an end plate; the side plates, the end plates and the cover plate are connected in a matched mode, and a plurality of single battery cells in the battery cell group are restrained and fixed.
According to the technical scheme, the battery core adopts a flat lying type structure, but the battery core of the flat lying type is in the circulation later stage, along with the consumption of electrolyte, if electrolyte is lost at the top part, the battery core capacity diving can be caused, the circulation life is influenced, the battery core is easy to deform and increase the module failure probability, and then because the battery core is stacked, the battery core large surface and the large surface are mutually supported and held, so that the heat dissipation effect is poor.
SUMMERY OF THE UTILITY MODEL
In view of this, the utility model provides a long and good novel flat electric core and cooling plate structure of lying of radiating effect of cycle life.
The technical scheme of the utility model is realized like this: the utility model provides a novel lying battery cell and cooling plate structure, which comprises a shell, a cover plate and a water cooling plate, wherein,
the whole shell is in a cuboid shape, the front part of the shell is provided with an opening, and the top surface of the shell is a wavy concave-convex modeling plate surface;
the cover plate is fixed at the front opening of the shell to seal the front opening of the shell;
the water-cooling plate is fixed on the shell.
On the basis of the above technical scheme, preferably, the shape of the concave-convex shaped board surface is one of a convex trapezoid shape, a convex cambered surface shape or a wavy shape.
In addition to the above technical means, preferably, the concavo-convex molding plate has a wavy shape.
On the basis of the technical scheme, preferably, the water cooling plate is wavy, and the water cooling plate is attached to the concave-convex modeling plate surface.
On the basis of the above technical scheme, preferably, the convex-concave modeling plate surface is composed of a plurality of upper convex semi-arc surfaces and a plurality of lower convex semi-arc surfaces which are spaced from each other, and the radius of the upper convex semi-arc surfaces and the radius of the lower convex semi-arc surfaces are 4-15 mm.
On the basis of the technical scheme, preferably, the cover plate is provided with a wave edge, and the wave edge is fixedly connected with the edge of the concave-convex modeling plate surface.
On the basis of the technical scheme, preferably, the water cooling plate is made of aluminum alloy.
The utility model discloses a novel flat electric core and cooling plate structure of lying has following beneficial effect for prior art:
(1) The concave-convex modeling board is arranged on the shell, so that more electrolyte can be injected into the shell and temporarily stored in a groove formed by the concave-convex modeling board, the cycle life of the battery cell is prolonged, and meanwhile, the concave-convex modeling board can absorb a certain degree of battery cell expansion in the later cycle period, so that the failure of the module due to overlarge internal stress between modules is avoided; and secondly, the surface area of the wavy concave-convex modeling plate is larger, so that the heat dissipation efficiency is improved.
(2) Through setting up wavy water-cooling board with the unsmooth molding face of laminating dispels the heat, can effectual improvement electric core's radiating efficiency, and the water-cooling board has adopted the aluminum alloy material, if electric core inflation is too big, the water-cooling board also can carry out deformation of certain degree to hold electric core inflation part, under the circumstances of guaranteeing the coolant liquid circulation, guarantee as far as possible that the module does not lose efficacy because of the internal stress.
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 perspective view of a novel lying battery cell and a cooling plate structure of the present invention;
fig. 2 is a front view of the novel lying battery cell and cooling plate structure of the present invention;
fig. 3 is a structural view of the end cover dismounting structure of the novel lying electric core and cooling plate structure of the invention;
fig. 4 is a cross-sectional view of the novel lying cell and cooling plate structure of the present invention;
fig. 5 is a schematic structural view of a point a of the novel lying cell and cooling plate structure of the present invention;
fig. 6 is a schematic diagram of the structure in which the concave-convex modeling plate of the novel lying battery cell and the cooling plate structure of the present invention is in a convex-convex arc shape;
fig. 7 is the schematic diagram of the novel concave-convex modeling plate of the flat-lying battery cell and cooling plate structure of the present invention, which is in the shape of an upward convex trapezoid.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely below with reference to the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work all belong to the protection scope of the present invention.
As shown in fig. 1-7, the utility model discloses a novel flat electric core and cooling plate structure of lying, including casing 1, apron 2 and water-cooling plate 3.
The whole shell 1 is in a cuboid shape, the front part of the shell 1 is provided with an opening, and the top surface of the shell 1 is a wavy concave-convex modeling plate surface 101; the cover plate 2 is fixed at the front opening of the shell 1 to seal the front opening of the shell 1; the water cooling plate 3 is fixed on the shell 1;
therefore, when electrolyte is injected into the battery cell, more electrolyte can be retained in the groove formed on the concave-convex modeling board surface 101, so that the cycle life of the battery cell is prolonged; secondly appear under the circumstances of inflation in the electric core later stage, unsmooth molding face 101 can suitably deform in order to absorb the electric core inflation of certain degree to avoid the inefficacy that the internal stress is too big to lead to between the module, and wavy unsmooth molding face 101 surface area is great, is favorable to improving the radiating efficiency.
In this embodiment, as shown in fig. 4, 6 and 7, the convex-concave shaped board surface 101 is preferably one of a convex-trapezoidal shape, a convex-cambered surface shape and a wavy shape; most preferably, the concave-convex shaped plate surface 101 is set to be wavy, and the surface thereof is smoothly transited, which is beneficial to processing.
In this embodiment, as a preferable mode, as shown in fig. 4, the water-cooling plate 3 is formed in a wave shape, and the water-cooling plate 3 is attached to the wavy concave-convex shaped plate surface 101; therefore, the contact area between the shell 1 and the water cooling plate 3 is large, which is beneficial to increasing the heat dissipation efficiency of the battery cell.
In this embodiment, as a preferable mode, as shown in fig. 5, the convex-concave shaped board surface 101 is composed of a plurality of convex-convex semi-circular arc surfaces 101a and a plurality of convex-concave semi-circular arc surfaces 101b which are spaced from each other to form a wave shape, and the radius of the convex-convex semi-circular arc surfaces 101a and the convex-concave semi-circular arc surfaces 101b is 4 to 15mm;
after the wavy water-cooling plate 3 is installed on the wavy concave-convex shaped plate surface 101, the heat dissipation efficiency is limited by the flow rate of the cooling liquid of the water-cooling plate 3, so that the radius of the upper convex semi-circular arc surface 101a and the radius of the lower convex semi-circular arc surface 101b of the wavy concave-convex shaped plate surface 101 are set to be 4-15 mm to accommodate the water-cooling plate 3 with a corresponding size, and the flow rate of the water-cooling plate 3 is matched with the heat productivity of the battery cell.
In this embodiment, as a preferable mode, as shown in fig. 3, a wave edge 201 is provided on the cover plate 2, and the wave edge 201 is fixedly connected with the edge of the concave-convex shaped plate surface 101;
because unsmooth molding face 101 needs to laminate water-cooling board 3, apron 2 passes through wave border 201 and unsmooth molding face 101 fixed back, and is whole unanimous, can make casing 1 have unsmooth molding face 101 one side wholly laminate to water-cooling board 3 on, be favorable to guaranteeing the radiating effect.
In this embodiment, as a preferable mode, the water-cooling plate 3 is made of an aluminum alloy; therefore, when the battery core expands, the concave-convex modeling board surface 101 and the water cooling board 3 can deform to a certain degree, so that the protruding part of the water cooling board 3 is accommodated, and the battery module is prevented from losing efficacy due to the overlarge internal stress.
The method comprises the following specific implementation steps:
The above description is only for the purpose of illustrating the preferred embodiments of the present invention and should not be construed as limiting the present invention, and any modifications, equivalent replacements, improvements, etc. made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (7)
1. The utility model provides a novel electric core and cooling plate structure lie flat which characterized in that: comprises a shell (1), a cover plate (2) and a water cooling plate (3), wherein,
the whole shell (1) is in a cuboid shape, the front part of the shell (1) is provided with an opening, and the top surface of the shell (1) is a concave-convex modeling plate surface (101);
the cover plate (2) is fixed at the front opening of the shell (1) to seal the front opening of the shell (1);
the water cooling plate (3) is fixed on the shell (1).
2. The novel lying battery cell and cooling plate structure of claim 1, wherein: the shape of the concave-convex modeling board surface (101) is one of a convex trapezoidal shape, a convex cambered surface shape or a wavy shape.
3. The novel lying battery cell and cooling plate structure of claim 2, wherein: the concave-convex modeling board surface (101) is in a wavy modeling.
4. The novel lying cell and cooling plate structure of claim 3, wherein: the water cooling plate (3) is wavy, and the water cooling plate (3) is attached to the concave-convex modeling plate surface (101).
5. The novel lying cell and cooling plate structure of claim 4, wherein: the concave-convex modeling plate surface (101) is composed of a plurality of upper convex semi-circular arc surfaces (101 a) and a plurality of lower convex semi-circular arc surfaces (101 b) which are arranged at intervals, and the radius of the upper convex semi-circular arc surfaces (101 a) and the radius of the lower convex semi-circular arc surfaces (101 b) are 4-15 mm.
6. The novel lying cell and cooling plate structure of claim 4, wherein: the cover plate (2) is provided with a wave edge (201), and the wave edge (201) is fixedly connected with the edge of the concave-convex modeling plate surface (101).
7. The novel lying cell and cooling plate structure of claim 4, wherein: the water cooling plate (3) is made of aluminum alloy.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222046114.2U CN217881661U (en) | 2022-08-04 | 2022-08-04 | Novel flat electric core and cooling plate structure of lying |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222046114.2U CN217881661U (en) | 2022-08-04 | 2022-08-04 | Novel flat electric core and cooling plate structure of lying |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN217881661U true CN217881661U (en) | 2022-11-22 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202222046114.2U Active CN217881661U (en) | 2022-08-04 | 2022-08-04 | Novel flat electric core and cooling plate structure of lying |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN217881661U (en) |
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2022
- 2022-08-04 CN CN202222046114.2U patent/CN217881661U/en active Active
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