CN217405576U - Glue overflow prevention battery module - Google Patents
Glue overflow prevention battery module Download PDFInfo
- Publication number
- CN217405576U CN217405576U CN202122359241.3U CN202122359241U CN217405576U CN 217405576 U CN217405576 U CN 217405576U CN 202122359241 U CN202122359241 U CN 202122359241U CN 217405576 U CN217405576 U CN 217405576U
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- CN
- China
- Prior art keywords
- battery
- battery module
- protective film
- overflow
- overflow prevention
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- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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- 239000003292 glue Substances 0.000 title claims abstract description 40
- 230000002265 prevention Effects 0.000 title claims description 14
- 230000001681 protective effect Effects 0.000 claims abstract description 38
- 239000000178 monomer Substances 0.000 claims abstract description 24
- 239000012790 adhesive layer Substances 0.000 claims abstract description 21
- 238000004519 manufacturing process Methods 0.000 abstract description 5
- 230000005574 cross-species transmission Effects 0.000 abstract 1
- 238000009434 installation Methods 0.000 abstract 1
- 239000010410 layer Substances 0.000 description 4
- 239000000853 adhesive Substances 0.000 description 3
- 230000001070 adhesive effect Effects 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- 239000006260 foam Substances 0.000 description 2
- 206010063659 Aversion Diseases 0.000 description 1
- 229920002799 BoPET Polymers 0.000 description 1
- 239000004820 Pressure-sensitive adhesive Substances 0.000 description 1
- 238000004026 adhesive bonding Methods 0.000 description 1
- 239000011248 coating agent Substances 0.000 description 1
- 238000000576 coating method Methods 0.000 description 1
- 238000005520 cutting process Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 239000012530 fluid Substances 0.000 description 1
- 230000017525 heat dissipation Effects 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
Images
Classifications
-
- 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
Landscapes
- Sealing Battery Cases Or Jackets (AREA)
Abstract
The utility model discloses a battery module is glued to anti-overflow includes: the anti-overflow device comprises a box body assembly, an anti-overflow assembly and an electric core assembly, wherein the box body assembly comprises a box body and an adhesive layer, a containing cavity is formed in the box body, and the adhesive layer is arranged at the bottom of the containing cavity; the anti-overflow assembly comprises a bottom protective film, and a plurality of avoiding holes are formed in the bottom protective film; the battery cell assembly comprises a plurality of battery cell monomers, each battery cell monomer is respectively bonded on the bottom protective film, and each avoiding hole corresponds to the bottom of each battery cell monomer one by one. The utility model discloses a battery module is glued to anti-overflow is through setting up box subassembly, anti-overflow subassembly and electric core subassembly to can simplify whole installation technology, make whole production efficiency improve, simultaneously, through set up a plurality of holes of keeping away on the protection film of bottom, thereby can once only protect the clearance between the internal each battery monomer of box, solve battery module bottom glue from this and spill over to the problem between each battery monomer, make whole product quality obtain improving.
Description
Technical Field
The utility model relates to a battery module especially relates to a battery module is glued to anti-overflow.
Background
In current battery module structure, there is the excessive condition of gluing in electric core bottom, that is, when each electric core was placed in the battery box, the glue of battery box bottom spilled over easily and got into the clearance department between each electric core to cause certain potential safety hazard.
In order to solve the above problems, the prior glue overflow prevention method generally pastes the glue overflow prevention foam at the bottom between the battery cells, that is, pastes the glue overflow prevention foam at the position of the battery cell close to the bottom, so as to prevent the glue from overflowing and flowing into the gap between the battery cells. However, because the electric core in the battery module is in a large number, all paste the operation to every electric core, need consume a large amount of manpower and materials to influence production efficiency, simultaneously, can occupy the space in the battery box, and can increase the whole height of battery module, influence the whole quality of battery module from this.
SUMMERY OF THE UTILITY MODEL
The utility model aims at overcoming the weak point among the prior art, providing one kind and can prevent that battery bottom of the case portion glue from spilling over the clearance department that flows in each electric core, and simple structure is compact, can effectively improve production efficiency and product quality's anti-overflow and glue battery module.
The purpose of the utility model is realized through the following technical scheme:
an anti-glue-overflow battery module comprises: the anti-overflow device comprises a box body assembly, an anti-overflow assembly and an electric core assembly, wherein the box body assembly comprises a box body and an adhesive layer, a containing cavity is formed in the box body, and the adhesive layer is arranged at the bottom of the containing cavity; the anti-overflow assembly comprises a bottom protective film, and a plurality of avoiding holes are formed in the bottom protective film; the battery core assembly comprises a plurality of battery core monomers, each battery core monomer is respectively bonded on the bottom protective film, and each position avoiding hole corresponds to the bottom of each battery core monomer one by one; when each battery cell monomer is arranged in the accommodating cavity, the bottom protective film is bonded with the bonding adhesive layer, and the bonding adhesive layer is bonded with the bottom of each battery cell monomer through each avoidance hole.
In one embodiment, each of the clearance holes is arranged in a rectangular array.
In one embodiment, the avoiding hole has a square hole structure.
In one embodiment, the thickness of the bottom protective film is 0.05mm-0.1 mm.
In one embodiment, the bottom protective film is an insulating protective film.
In one embodiment, each of the battery cells is arranged in a rectangular array.
In one embodiment, the distance between two adjacent battery cell units is 3mm-7 mm.
In one embodiment, the battery cell is a square battery pack.
In one embodiment, the case assembly further includes a battery cover plate disposed at an open position of the case.
In one embodiment, the avoiding hole is in clearance fit with the battery cell unit.
Compared with the prior art, the utility model discloses at least, following advantage has:
1. the utility model discloses a battery module is glued to anti-overflow is through setting up box subassembly, anti-overflow subassembly and battery pack spare to can simplify the whole mounting process, make whole production efficiency improve.
2. The utility model discloses an anti-overflow glues battery module is through seting up a plurality of aversion holes on the protection film of bottom to can once only protect the clearance between each battery monomer in the box, solve the problem that battery module bottom glue spills over to between each battery monomer from this, make whole product quality obtain improving;
3. the utility model discloses a battery module is glued to anti-overflow not only can improve the insulating properties of battery module bottom through setting up the bottom protection film, and can not highly cause the influence to the whole of battery module for the overall structure of battery module is compacter.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings required for the embodiments will be briefly described below, it should be understood that the following drawings only illustrate some embodiments of the present invention, and therefore should not be considered as limiting the scope, and that those skilled in the art can also obtain other related drawings based on these drawings without inventive efforts.
Fig. 1 is a schematic structural view of an anti-glue-overflow battery module according to an embodiment of the present invention;
fig. 2 is a schematic structural view of an anti-overflow assembly and an electric core assembly according to an embodiment of the present invention;
fig. 3 is a schematic structural diagram of an anti-overflow assembly according to an embodiment of the present invention.
Detailed Description
In order to facilitate understanding of the present invention, the present invention will be described more fully hereinafter with reference to the accompanying drawings. Referring to fig. 1, 2 and 3, an anti-glue-overflow battery module 10 includes: the anti-overflow device comprises a box body assembly 100, an anti-overflow assembly 200 and a cell assembly 300, wherein the box body assembly 100 comprises a box body 110, a bonding glue layer 120 and a battery cover plate, the battery cover plate is arranged at the opening position of the box body 110, a containing cavity 111 is arranged in the box body 110, and the bonding glue layer 120 is arranged at the bottom of the containing cavity 111; the anti-overflow assembly 200 comprises a bottom protective film 210, wherein a plurality of avoiding holes 211 are formed on the bottom protective film 210; the bottom protective film 210 can be a PC film or a PET film, and one or more sheets can be arranged according to the product time condition, the avoiding holes 211 on the bottom protective film 210 are processed in a die cutting manner, and the avoiding holes 211 play a role of avoiding voids, so that the glue of the adhesive layer 120 can flow into the avoiding holes 211 and be adhered to the electric core assembly 300; the battery core assembly 300 includes a plurality of battery cell units 310, and each battery cell unit 310 is respectively adhered to the bottom protective film 210, for example, each battery cell unit 310 may be respectively adhered and fixed to the bottom protective film 210 by coating a pressure sensitive adhesive on the bottom protective film 210; next, other adhesive glue or bonding liquid may be coated on the bottom protective film 210, so as to achieve the adhesive fixation of each cell unit 310. After the battery cell units 310 are bonded and fixed, the avoiding holes 211 on the bottom protective film 210 correspond to the bottoms of the battery cell units 310 one by one, so that when the battery cell units 310 are disposed in the accommodating cavity 111, the bottom protective film 210 is bonded to the bonding adhesive layer 120, and the bonding adhesive layer 120 is bonded to the bottoms of the battery cell units 310 through the avoiding holes 211. In the present embodiment, the adhesive layer 120 is a structural adhesive in a fluid state, and thus can flow into the avoiding holes 211 and adhere to the bottoms of the battery cells 310, and has a better adhesion and fixation performance.
It should be noted that, because the expansion gaps are formed between the battery cell units 310, each battery cell unit 310 has enough space to expand; in order to prevent the glue of the bonding glue layer 120 from flowing into the expansion gap, the bottom protective film 210 is bonded to the bottom of each battery cell unit 310, so that the glue of the bonding glue layer 120 can be blocked by the bottom protective film 210, and thus the glue is prevented from flowing into the expansion gap between the battery cell units 310; that is, when the bottom protection film 210 is attached to the bottom of the cell assembly 300, since each of the avoiding holes 211 corresponds to the bottom of each of the cell units 310 one to one, the bottom protection film 210 between the avoiding holes 211 can seal the expansion gap between the cell units 310, so that the glue at the position of the adhesive layer 120 does not flow into the expansion gap, thereby achieving the effect of preventing the glue from overflowing. Further, in order to enable the adhesive layer 120 to bond and fix each of the battery cell monomers 310, the bottom protective film 210 is provided with a plurality of avoiding holes 211, and each of the avoiding holes 211 corresponds to the bottom of each of the battery cell monomers 310 one by one, so that when each of the battery cell monomers 310 is placed in the accommodating cavity 111, the adhesive layer 120 is bonded and fixed with the bottom protective film 210 first, and then the glue on the adhesive layer 120 can be bonded with the bottom of each of the battery cell monomers 310 through each of the avoiding holes 211 on the bottom protective film 210, thereby achieving the bonding and fixing of each of the battery cell monomers 310; because the bottom protective film 210 is adhered to the bottom of each battery cell 310, when the glue on the adhesive layer 120 flows in from the avoiding hole 211, the glue on the adhesive layer 120 can be blocked by the bottom protective film 210, so that the glue on the adhesive layer 120 cannot flow into the expansion gap between the battery cells 310, and the glue is prevented from overflowing. The utility model discloses a battery module 10 is glued to anti-overflow not only can simplify the mounting process of battery module through setting up box subassembly 100, anti-overflow subassembly 200 and electric core subassembly 300, can avoid the glue of battery monomer 310 bottom to overflow moreover and flow in to the expansion gap department between each battery monomer 310, improves holistic production efficiency and battery module's quality from this.
In one embodiment, the position-avoiding holes 211 are square holes, and each position-avoiding hole 211 is arranged in a rectangular array, so that the overall structure can be more compact, and the utilization rate of the overall space can be improved; for another example, the bottom protective film 210 is an insulating protective film, the thickness of the bottom protective film is 0.05mm-0.1mm, and preferably, the thickness of the bottom protective film is 0.08mm, so that the battery module can be insulated and protected, the overflowing glue can be prevented from being blocked, and meanwhile, the overall height of the battery module cannot be increased, so that the overall quality of the battery module is improved; for another example, the battery cell units are square battery packs, each battery cell unit 310 is arranged in a rectangular array, and the distance between two adjacent battery cell units 310 is 3mm-7mm, preferably, the distance between two adjacent battery cell units is 5mm, so that not only the overall structure is more compact, but also each battery cell unit 310 can have sufficient expansion space and heat dissipation space, thereby improving the safety performance of the battery module.
The above-mentioned embodiments only represent some embodiments of the present invention, and the description thereof is specific and detailed, but not to be construed as limiting the scope of the present invention. It should be noted that, for those skilled in the art, without departing from the spirit of the present invention, several variations and modifications can be made, which are within the scope of the present invention. Therefore, the protection scope of the present invention should be subject to the appended claims.
Claims (10)
1. The utility model provides an anti-overflow glues battery module which characterized in that includes:
the box body assembly comprises a box body and an adhesive layer, a containing cavity is formed in the box body, and the adhesive layer is arranged at the bottom of the containing cavity;
the anti-overflow assembly comprises a bottom protective film, and a plurality of avoiding holes are formed in the bottom protective film; and
the battery core assembly comprises a plurality of battery core monomers, each battery core monomer is respectively bonded on the bottom protective film, and each position avoiding hole corresponds to the bottom of each battery core monomer one by one; when each battery cell monomer is arranged in the accommodating cavity, the bottom protective film is bonded with the bonding adhesive layer, and the bonding adhesive layer is bonded with the bottom of each battery cell monomer through each avoidance hole.
2. The glue overflow prevention battery module as recited in claim 1, wherein each of the clearance holes is arranged in a rectangular array.
3. The glue overflow prevention battery module as claimed in claim 1 or 2, wherein the avoiding hole has a square hole structure.
4. The glue overflow prevention battery module as claimed in claim 1 or 2, wherein the thickness of the bottom protective film is 0.05mm to 0.1 mm.
5. The glue overflow prevention battery module according to claim 1 or 2, wherein the bottom protective film is an insulating protective film.
6. The glue overflow prevention battery module as claimed in claim 1 or 2, wherein each of the battery cells is arranged in a rectangular array.
7. The glue overflow prevention battery module as claimed in claim 6, wherein the distance between two adjacent battery cell units is 3mm-7 mm.
8. The glue overflow prevention battery module as claimed in claim 7, wherein the battery cell is a square battery pack.
9. The glue overflow prevention battery module as recited in claim 1, wherein the case assembly further comprises a battery cover plate disposed at an opening position of the case.
10. The glue overflow prevention battery module as claimed in claim 1, wherein an expansion gap is provided between each of the cell units.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122359241.3U CN217405576U (en) | 2021-09-27 | 2021-09-27 | Glue overflow prevention battery module |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122359241.3U CN217405576U (en) | 2021-09-27 | 2021-09-27 | Glue overflow prevention battery module |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN217405576U true CN217405576U (en) | 2022-09-09 |
Family
ID=83132029
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202122359241.3U Active CN217405576U (en) | 2021-09-27 | 2021-09-27 | Glue overflow prevention battery module |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN217405576U (en) |
-
2021
- 2021-09-27 CN CN202122359241.3U patent/CN217405576U/en active Active
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