CN219610656U - Baffle and modularization CTP energy storage battery structure - Google Patents

Baffle and modularization CTP energy storage battery structure Download PDF

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Publication number
CN219610656U
CN219610656U CN202320414107.5U CN202320414107U CN219610656U CN 219610656 U CN219610656 U CN 219610656U CN 202320414107 U CN202320414107 U CN 202320414107U CN 219610656 U CN219610656 U CN 219610656U
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China
Prior art keywords
plate
battery cell
battery
groups
energy storage
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CN202320414107.5U
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Chinese (zh)
Inventor
白奎
任会平
郑尧
古富华
郑光华
辛晓漪
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Sichuan Hangdian Micro Energy Co ltd
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Sichuan Hangdian Micro Energy Co ltd
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    • YGENERAL 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
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02EREDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
    • Y02E60/00Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
    • Y02E60/10Energy storage using batteries

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  • Sealing Battery Cases Or Jackets (AREA)

Abstract

The utility model relates to the technical field of electrochemical energy storage batteries, and particularly discloses a partition plate and a modularized CTP energy storage battery structure. Disclosed is a modular CTP energy storage battery structure based on the separator; according to the utility model, the convex surfaces are respectively arranged on the two sides of the vertical plate, so that when the battery cells are expanded and deformed in the use process, the expansion deformation quantity can be effectively absorbed through the staggered arrangement of the convex surfaces, and the risk of pulling out the aluminum row due to the deformation of the battery cells in the use process is avoided; compared with the battery module formed by bundling in the prior art, the battery structure provided by the utility model is assembled in the box body, is simple and convenient to assemble, and greatly improves the working efficiency.

Description

Baffle and modularization CTP energy storage battery structure
Technical Field
The utility model relates to the technical field of electrochemical energy storage batteries, in particular to a separator and a modularized CTP energy storage battery structure.
Background
In the prior art, a plurality of groups of battery cells are formed in a bundling mode to form battery cell groups which are arranged in a battery box body; when the battery cell module is assembled with the battery box body, the assembly process is complex, so that the working efficiency is low;
meanwhile, the existing ventilation partition plate between the electric cores is mainly formed by symmetrically molding aluminum alloy sections or plastics, the partition plate cannot deform and absorb the expansion of the electric cores in the use process, and the electric cores are large in expansion force after being circulated to the later stage, so that the risk of pulling out the aluminum rows is caused.
Disclosure of Invention
The utility model aims to solve the technical problem of providing a partition plate and a modularized CTP energy storage battery structure;
the utility model solves the technical problems by adopting the following solution:
a partition plate comprises vertical plates and convex surfaces arranged on two sides of the vertical plates, wherein the convex surfaces arranged on each side of the vertical plates are multiple groups, and the multiple groups of convex surfaces on the vertical plates on two sides are arranged in a staggered mode.
In some of the possible embodiments of the present utility model,
the convex surfaces arranged on each side of the vertical plate are arranged in parallel at equal intervals, and the intervals are 15-25mm.
In some of the possible embodiments of the present utility model,
a plurality of groups of limiting plates for fixing the battery cells are arranged on the vertical plates; the limiting plate and the vertical plate are mutually matched to form a cavity for fixing the battery cell.
In some of the possible embodiments of the present utility model,
the partition board is made of plastic.
A modularized CTP energy storage battery structure comprises a shell, a bottom insulation protection component arranged at the bottom of the shell and positioned in the shell, and a battery cell component arranged on an insulation protection piece and positioned in the shell;
the battery cell assembly comprises battery cell assemblies which are arranged in parallel and form a gap with each other, and a connecting aluminum row for connecting the two groups of battery cell assemblies;
the battery cell assembly comprises a plurality of groups of the clapboards which are arranged in parallel and are described above, battery cells which are arranged on one side of the two groups of clapboards and are close to each other, and an aluminum row connecting piece for connecting the adjacent battery cells; an installation cavity is formed between two adjacent groups of partition boards in the same group of battery cell components, and the battery cells are installed in the installation cavity; and a heat dissipation channel is formed on one side, close to the battery core and the partition plate, of the battery core, and the heat dissipation channel is communicated with the gap.
In some of the possible embodiments of the present utility model,
the bottom insulation protection component comprises a bottom insulation sheet arranged on the shell and a bottom epoxy resin plate arranged on the bottom insulation sheet.
In some of the possible embodiments of the present utility model,
the shell comprises a U-shaped shell for installing the battery cell assembly, a top plate arranged at the top of the U-shaped shell, and a front shell assembly and a rear shell assembly which are arranged at two sides of the U-shaped shell, wherein the front shell assembly, the rear shell assembly, the top plate and the U-shaped shell are matched to form a closed installation cavity; the front shell component, the rear component and the partition board are arranged in parallel.
In some of the possible embodiments of the present utility model,
the front shell assembly comprises a front baffle connected with the U-shaped shell, a protective cover arranged on the outer side of the front baffle, and a heat dissipation assembly arranged on the outer side of the front baffle and positioned in the protective cover; the front baffle is provided with output terminals respectively connected with the battery cell assembly, the front baffle is provided with an air outlet communicated with the gap, and the heat dissipation assembly is arranged on the air outlet.
In some of the possible embodiments of the present utility model,
a top epoxy resin plate is arranged between the top plate and the cell assembly; the top epoxy resin plate is provided with a first pressing strip which is arranged corresponding to the battery cell component; and a second pressing strip is arranged between the rear shell component and the battery cell component.
In some of the possible embodiments of the present utility model,
the U-shaped shell comprises a bottom plate and vertical plates which are arranged on the bottom plate in parallel, and vent holes communicated with the gaps are formed in the vertical plates; convex beams which are arranged corresponding to the gaps are arranged on the bottom plate; the bottom insulating sheet is arranged on the bottom plate and is of a convex structure, and comprises two groups of flat plates arranged on the bottom plate and a U-shaped groove plate which is positioned between the two groups of flat plates and arranged on the convex beam, wherein the U-shaped groove plate and the two groups of flat plates are integrally formed; the bottom epoxy plate is mounted on a flat plate.
Compared with the prior art, the utility model has the beneficial effects that:
the convex surfaces are respectively arranged on the two sides of the vertical plate, so that when the battery cells are expanded and deformed in the use process, the convex surfaces on the two sides of the vertical plate are arranged in a staggered manner, the expansion deformation can be effectively absorbed, and the risk of pulling out the aluminum row due to the deformation of the battery cells in the use process is avoided;
compared with the battery module formed by bundling in the prior art, the battery structure provided by the utility model is assembled in the box body, is simple and convenient to assemble, and greatly improves the working efficiency.
According to the utility model, the gaps are arranged between the battery strings and are communicated with the heat dissipation channels, the front end plate is provided with the heat dissipation assembly, and the vertical plate is provided with the vent holes, so that the heat dissipation effect of the battery structure is greatly improved;
according to the utility model, the epoxy resin plates (the bottom epoxy resin plate and the top epoxy resin plate) are arranged, so that the collision of the battery strings with the top plate and the bottom plate is effectively avoided, and the battery strings are effectively protected and insulated.
Drawings
FIG. 1 is a schematic view of a three-dimensional structure of a separator according to the present utility model;
FIG. 2 is a side view of a separator plate according to the present utility model;
FIG. 3 is a schematic view of a front elevation of a separator according to the present utility model;
fig. 4 is an exploded view of a battery structure according to the present utility model;
FIG. 5 is a schematic diagram of the positional relationship between a battery cell and a separator in the present utility model;
wherein: 2. a partition plate; 21. a vertical plate; 22. a convex surface; 23. a limiting plate; 11. a riser; 111. a vent hole; 12. a bottom plate; 13. a top plate; 14. a top epoxy plate; 15. a first pressing bar; 16. a front baffle; 161. an output terminal; 162. a heat dissipation assembly; 163. a protective cover; 17. a rear housing assembly; 18. a bottom insulating sheet; 19. a bottom epoxy plate; 3. a battery cell; 30. a heat dissipation channel; 4. an aluminum row connecting piece; 5. a gap.
Detailed Description
In the present utility model, unless explicitly specified and limited otherwise, the terms "mounted," "connected," "secured," and the like are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally formed; can be directly connected or indirectly connected through an intermediate medium, and can be communicated with the inside of two elements or the interaction relationship of the two elements. Reference to "first," "second," and similar terms herein do not denote any order, quantity, or importance, but rather are used to distinguish one element from another. Likewise, the terms "a" or "an" and the like do not denote a limitation of quantity, but rather denote the presence of at least one. In the implementation of the present utility model, "and/or" describes the association relationship of the association object, which means that there may be three relationships, for example, a and/or B may mean: a exists alone, A and B exist together, and B exists alone. In the description of the embodiments of the present utility model, unless otherwise indicated, the meaning of "a plurality" means two or more. For example, a plurality of positioning posts refers to two or more positioning posts. The specific meaning of the above terms in the present utility model can be understood by those of ordinary skill in the art according to the specific circumstances.
The present utility model will be described in detail below.
As shown in fig. 1-5:
a partition board 2 is matched with the battery cell 3 for use, and is used for installing the battery cell 3 in an outer shell; the vertical plate comprises a vertical plate 21 and convex surfaces 22 arranged on two sides of the vertical plate 21, wherein the convex surfaces 22 arranged on each side of the vertical plate 21 are in a plurality of groups, and the convex surfaces 22 on the two sides of the vertical plate are arranged in a staggered manner.
In some of the possible embodiments of the present utility model,
the convex surfaces 22 arranged on each side of the vertical plate are arranged in parallel and at equal intervals, and the intervals are 15-25mm.
As shown in fig. 2, the spacing between adjacent convex surfaces 22 on each side is D, d=15-25 mm; therefore, when the battery cells 3 in the two groups of the partition boards 2 are subjected to expansion deformation, the partition boards 2 can effectively absorb deformation, meanwhile, the battery cells 3 are in contact connection with the convex surfaces 22 when the battery cells 3 are installed due to the convex surfaces 22, the vertical plates 21, the two adjacent groups of the convex surfaces 22 and one side, close to the vertical plates 21, of the battery cells 3 form heat dissipation channels 30, and the multiple groups of heat dissipation channels 30 are respectively communicated with the gaps 5, so that heat dissipation is effectively carried out on all the battery cells 3.
The convex surface 22 and the vertical plate 21 are integrally formed, and the convex surface 22 is horizontally arranged; preferably, the convex surface 22 has a plate-like structure.
In some possible embodiments, the fixation of the battery cells 3 is to be achieved effectively;
a plurality of groups of limiting plates 23 fixed to the battery cells 3 are arranged on the vertical plate 21; the limiting plate 23 and the vertical plate 21 are mutually matched to form a cavity for fixing the battery cell 3.
As shown in fig. 1, the limiting plates 23 and the vertical plates 21 are matched to form a cavity for installing the battery cell 3, one side of the battery cell 3 is positioned in the cavity, one group of limiting plates 23 is positioned between the vertical plates 21 and the shell, and the battery cell 3 is effectively prevented from being contacted with the shell; the other set of limiting plates 23 is arranged on the side of the riser 21 remote from the housing.
In some of the possible embodiments of the present utility model,
the partition board 2 is made of plastic. The plastic has elastic deformation performance, so that the expansion of the battery cell 3 is ensured to be absorbed;
a modularized CTP energy storage battery structure comprises a shell, a bottom insulation protection component arranged at the bottom of the shell and positioned in the shell, and a battery cell component arranged on an insulation protection piece and positioned in the shell;
the battery cell assembly comprises battery cell assemblies which are arranged in parallel and form a gap 5 between the battery cell assemblies, and a connecting aluminum row for connecting the two groups of battery cell assemblies;
the battery cell assembly comprises a plurality of groups of the partition boards 2 which are arranged in parallel, battery cells 3 which are arranged on one side of the two groups of the partition boards 2 close to each other, and aluminum row connecting pieces 4 for connecting the adjacent battery cells 3; an installation cavity is formed between two adjacent groups of partition boards 2 in the same group of battery cell components, and the battery cells 3 are installed in the installation cavity; the battery cell 3 and the partition plate 2 are close to each other to form a heat dissipation channel 30, and the heat dissipation channel 30 is communicated with the gap 5.
When the battery cell 3 is used, the battery cell 3 is effectively radiated, and the expansion deformation of the battery cell 3 in the use process is effectively absorbed by the arranged partition plate 2 to avoid the condition that the whole structure is damaged due to the deformation of the battery cell 3;
the two groups of electric core components are electrically connected through the connecting aluminum row, positive and negative levels of a plurality of electric cores 3 in the electric core components are connected through the aluminum row connecting piece 4 and are connected with ports arranged on the outer shell, so that power supply is realized, and the two groups of electric cores 3 in the same group of electric core components are distributed in a polarity reverse manner; the connection mode between the battery cell component and the battery cell 3 is the prior art, and the specific connection relation is not detailed here;
in some possible embodiments, to effectively implement insulation protection for the bottom of the cell assembly;
the bottom insulating shield assembly includes a bottom insulating sheet 18 mounted on the housing, a bottom epoxy plate 9 mounted on the bottom insulating sheet 18.
In some of the possible embodiments of the present utility model,
the shell comprises a U-shaped shell for installing the battery cell assembly, a top plate 13 arranged at the top of the U-shaped shell, and a front shell assembly and a rear shell assembly 17 arranged at two sides of the U-shaped shell, wherein the front shell assembly, the rear shell assembly 17, the top plate 13 and the U-shaped shell are matched to form a closed installation cavity; the front housing component and the rear component are arranged in parallel with the partition board 2.
During assembly, a bottom insulation protection assembly and two groups of battery core assemblies are sequentially installed in the U-shaped shell, and a gap 5 communicated with the heat dissipation channel 30 is formed between the battery core assemblies; when the battery cell assembly is installed, the partition plate 2 is firstly installed on the bottom insulation protection assembly, then the battery cell 3 is installed, the position of the battery cell 3 is effectively fixed through the limiting plate 23, and the battery cell 3 is prevented from being in contact connection with one side, close to each other, of the U-shaped shell or two adjacent battery cells 3 in the two battery cell assemblies;
in some of the possible embodiments of the present utility model,
the front housing assembly includes a front baffle 16 connected with the U-shaped housing, a shield 163 installed outside the front baffle 16, and a heat dissipating assembly 162 installed outside the front baffle 16 and located inside the shield 163; output terminals 161 connected with the battery cell assemblies respectively are arranged on the front baffle 16, air outlets communicated with the gaps 5 are arranged on the front baffle 16, and the heat dissipation assemblies 162 are installed on the air outlets.
The output terminals 161 include a positive electrode output terminal connected to the positive electrode of the cell assembly and a negative electrode output terminal connected to the negative electrode of the cell assembly; when in use, the device is connected with the battery structure through the positive electrode output terminal and the negative electrode output terminal to realize power supply;
further, the heat dissipating component 162 is a heat dissipating fan;
a heat dissipation component 162 is arranged on the air outlet, heat generated by the battery enters the gap 5 through the heat dissipation channel 30, and heat exchange is performed under the action of the heat dissipation component 162, so that heat dissipation of the battery cell 3 is realized, and normal use of the battery cell is ensured;
in some possible embodiments, in order to avoid contact between the cell assembly and the top plate 13, effective insulation protection is performed on the cell assembly;
a top epoxy plate 14 is disposed between the top plate 13 and the cell assembly; a first pressing bar 15 which is arranged corresponding to the battery cell component is arranged on the top epoxy resin plate 14; a second pressing bar is arranged between the rear shell assembly 17 and the battery cell assembly; and a third pressing strip is arranged between the front shell component and the battery cell component.
When the installation of the battery cell assembly is completed, the first pressing strip 15 is installed on the top epoxy resin plate 14, the second pressing strip is installed on the rear shell assembly 17, and the third pressing strip is installed on the front shell assembly; then assembling the front shell assembly, the rear shell assembly 17, the U-shaped shell and the top plate 13; when the top plate 13 is assembled, the top epoxy resin plate 14 is installed on the cell assembly, and the first pressing bar 15 acts on the cell assembly;
when the front shell component is assembled, the third pressing bar acts on the battery cell component; when the rear shell is assembled, the second pressing bar acts on the battery cell component;
preferably, the first pressing bar 15, the second pressing bar and the third pressing bar are all plastic pressing bars;
in some of the possible embodiments of the present utility model,
the U-shaped shell comprises a bottom plate 12 and vertical plates 11 which are arranged on the bottom plate 12 in parallel, and vent holes 111 communicated with the gaps 5 are formed in the vertical plates 11 to further realize heat dissipation; the bottom plate 12 is provided with convex beams which are arranged corresponding to the gaps 5; the bottom insulating sheet 18 is mounted on the bottom plate 12 and has a convex structure, and comprises two groups of flat plates mounted on the bottom plate 12, and a U-shaped groove plate which is positioned between the two groups of flat plates and mounted on the convex beam, wherein the opening of the U-shaped groove plate is downward and integrally formed with the two groups of flat plates; the bottom epoxy plate 9 is mounted on a flat plate.
The convex beam is arranged on the bottom plate 12, so that the convex beam and the vertical plate 11 are matched to form a cavity for installing two battery cell components, a gap 5 can be formed between the two groups of battery cell components, and heat dissipation is realized; the U-shaped groove plate is arranged on the convex beam, so that the contact between the battery cell assembly and the convex beam is avoided, and the bottom epoxy resin plate 9 is arranged on the flat plate and used for installing the partition plate 2.
The utility model is not limited to the specific embodiments described above. The utility model extends to any novel one, or any novel combination, of the features disclosed in this specification, as well as to any novel one, or any novel combination, of the steps of the method or process disclosed.

Claims (9)

1. The separator is matched with the battery core for use and is characterized by comprising a vertical plate and convex surfaces arranged on two sides of the vertical plate, wherein the convex surfaces arranged on each side of the vertical plate are multiple groups, and the multiple groups of convex surfaces on the vertical plates on two sides are staggered; a plurality of groups of limiting plates for fixing the battery cells are arranged on the vertical plates; the limiting plate and the vertical plate are mutually matched to form a cavity for fixing the battery cell.
2. A separator plate according to claim 1, wherein the convex surfaces provided on each side of the riser plate are arranged in parallel and equally spaced apart relationship, said spacing being 15-25mm.
3. A separator according to claim 1, wherein the separator is made of plastic.
4. The modularized CTP energy storage battery structure is characterized by comprising a shell, a bottom insulation protection component and a battery cell component, wherein the bottom insulation protection component is installed at the bottom of the shell and is positioned in the shell, and the battery cell component is installed on an insulation protection piece and is positioned in the shell;
the battery cell assembly comprises battery cell assemblies which are arranged in parallel and form a gap with each other, and a connecting aluminum row for connecting the two groups of battery cell assemblies;
the battery cell assembly comprises a plurality of groups of the clapboards which are arranged in parallel and are defined in any one of claims 1-3, battery cells which are arranged on one side of the two groups of clapboards and are close to each other, and an aluminum row connecting piece for connecting adjacent battery cells; an installation cavity is formed between two adjacent groups of partition boards in the same group of battery cell components, and the battery cells are installed in the installation cavity; and a heat dissipation channel is formed on one side, close to the battery core and the partition plate, of the battery core, and the heat dissipation channel is communicated with the gap.
5. The modular CTP energy storage battery structure of claim 4, wherein said bottom insulating shield assembly comprises a bottom insulating sheet mounted on the housing, a bottom epoxy plate mounted on the bottom insulating sheet.
6. The modular CTP energy storage battery structure according to claim 5, wherein said housing comprises a U-shaped housing for mounting the cell assembly, a top plate mounted on top of the U-shaped housing, and front and rear housing assemblies mounted on both sides of the U-shaped housing, said front, rear, top and U-shaped housing assemblies cooperating to form a closed mounting chamber; the front shell component, the rear component and the partition board are arranged in parallel.
7. The modular CTP energy storage battery structure according to claim 6, wherein said front housing assembly comprises a front baffle connected to the U-shaped housing, a shield mounted outside the front baffle, a heat dissipating assembly mounted outside the front baffle and located within the shield; the front baffle is provided with output terminals respectively connected with the battery cell assembly, the front baffle is provided with an air outlet communicated with the gap, and the heat dissipation assembly is arranged on the air outlet.
8. The modular CTP energy storage battery structure of claim 7, wherein a top epoxy plate is disposed between said top plate and the cell assembly; the top epoxy resin plate is provided with a first pressing strip which is arranged corresponding to the battery cell component; and a second pressing strip is arranged between the rear shell component and the battery cell component.
9. The modular CTP energy storage battery structure according to claim 7, wherein said U-shaped housing comprises a bottom plate, risers mounted on the bottom plate and disposed in parallel, said risers having vent holes disposed thereon in communication with the gap; convex beams which are arranged corresponding to the gaps are arranged on the bottom plate;
the bottom insulating sheet is arranged on the bottom plate and is of a convex structure, and comprises two groups of flat plates arranged on the bottom plate and a U-shaped groove plate which is positioned between the two groups of flat plates and arranged on the convex beam, wherein the U-shaped groove plate and the two groups of flat plates are integrally formed; the bottom epoxy plate is mounted on a flat plate.
CN202320414107.5U 2023-03-07 2023-03-07 Baffle and modularization CTP energy storage battery structure Active CN219610656U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202320414107.5U CN219610656U (en) 2023-03-07 2023-03-07 Baffle and modularization CTP energy storage battery structure

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202320414107.5U CN219610656U (en) 2023-03-07 2023-03-07 Baffle and modularization CTP energy storage battery structure

Publications (1)

Publication Number Publication Date
CN219610656U true CN219610656U (en) 2023-08-29

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ID=87745062

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202320414107.5U Active CN219610656U (en) 2023-03-07 2023-03-07 Baffle and modularization CTP energy storage battery structure

Country Status (1)

Country Link
CN (1) CN219610656U (en)

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