CN207676948U - A kind of package assembly of square aluminum case lithium ion battery core Mylar films - Google Patents
A kind of package assembly of square aluminum case lithium ion battery core Mylar films Download PDFInfo
- Publication number
- CN207676948U CN207676948U CN201721470400.4U CN201721470400U CN207676948U CN 207676948 U CN207676948 U CN 207676948U CN 201721470400 U CN201721470400 U CN 201721470400U CN 207676948 U CN207676948 U CN 207676948U
- Authority
- CN
- China
- Prior art keywords
- battery core
- card hole
- wrap sheet
- mylar films
- lower flange
- Prior art date
- 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.)
- Expired - Fee Related
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Classifications
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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
-
- 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
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P70/00—Climate change mitigation technologies in the production process for final industrial or consumer products
- Y02P70/50—Manufacturing or production processes characterised by the final manufactured product
Landscapes
- Sealing Battery Cases Or Jackets (AREA)
Abstract
The utility model provides a kind of package assembly of square aluminum case lithium ion battery core Mylar films, including:Head cover, head cover are arranged on the top of battery core, and head cover surrounding is provided with lower flange, and the first card hole is provided on lower flange;There is the first wrap sheet, the second wrap sheet and the connection sheet being connected between the first wrap sheet and the second wrap sheet, the connection sheet to be in the bottom of battery core for Mylar films, the Mylar films, and the first, second wrap sheet is close to be wrapped in the front and rear sides of battery core respectively;The top edge of first wrap sheet and the second wrap sheet is respectively arranged with the second card hole;First card hole and the second card hole are clamped by buckle, the buckle so that Mylar films are integrally connected with head cover.The package assembly replaces machine hot melt assembling with easy assembled by hand, reduces machine cost, improves the efficiency and excellent rate of production process, can effectively reduce the production cost of battery core.
Description
Technical field
The utility model is related to lithium battery assembling technical field more particularly to a kind of square aluminum case lithium ion battery core Mylar
The package assembly of film.
Background technology
With the continuous development of electric automobile market, the demand of power lithium-ion battery is also higher and higher;Mainstream at present
Power lithium-ion battery structure can be divided into three categories, i.e., rectangular, cylinder and Soft Roll.Soft Roll technical maturity, has a safety feature, but
Soft pack cell cost is higher, is easy leakage;Cylindrical electrical core consistency is good, and product yield is high, but energy density is relatively low, pack
It is complicated in groups, it can not accurately monitor single battery core.And rectangular lithium ion battery is as a kind of battery of high-energy density, it is at low cost
In soft pack cell, safety is better than cylindrical electrical core, and the building form of module is simpler, has become the master of power battery core at present
Stream.But with the continuous rise in price of upstream materials, the requirement of battery core cost declining is extremely urgent.
Currently, scratched and insulated with aluminum hull by aluminum hull because Mylar films play the role of preventing naked battery core from entering shell diaphragm,
To ensure that assembling process Mylar films will not fall off, the prior art uses Mylar hot melting process, and the fusion of Mylar films is being pushed up
On the lower plastic cement of lid, but Mylar hot melt effects are influenced by factors such as temperature, pressure and Mylar film materials, are easy tod produce
The problems such as Mylar superfusion wire drawings and non-melt-off are fallen, makes Mylar films not have the effect for protecting naked battery core;Meanwhile wire drawing of superfusing
Then easily cause head cover welding burst point.
Invention content
The utility model provides a kind of package assembly of square aluminum case lithium ion battery core Mylar films, solves existing skill
It is insufficient present in art.
In order to solve the above-mentioned technical problem, technical solution adopted in the utility model is:
A kind of package assembly of square aluminum case lithium ion battery core Mylar films, including:
Head cover, the head cover are arranged on the top of battery core, and head cover surrounding is provided with lower flange, on the lower flange
It is provided with the first card hole;
Mylar films, the Mylar films have the first wrap sheet, the second wrap sheet and be connected to the first wrap sheet and
Connection sheet between second wrap sheet, the connection sheet are in the bottom of battery core, and the first, second wrap sheet is close to be wrapped in electricity respectively
The front and rear sides of core, and the left and right sides of two wrap sheets partially overlaps in the left and right sides of battery core respectively;First wrap sheet
It is respectively arranged with the second card hole with the top edge of the second wrap sheet;
First card hole and the second card hole are clamped by buckle, the buckle so that Mylar films are integrally connected with head cover.
Further, the front side of the lower flange and rear side upper edge battery core long side direction are each provided with three the first card holes,
The left and right side upper edge battery core short side direction of the lower flange is each provided with first card hole;First wrap sheet and
The top edge of two wrap sheets is respectively set there are five identical second card hole of shape;When wrapping up battery core, on the first wrap sheet
Three the second card holes of marginal center and three the first card hole location matches on front side of lower flange, are in the second wrap sheet top edge
Three second card holes at middle part and three the first card hole location matches on rear side of lower flange, the first wrap sheet and the second wrap sheet are left
Second card hole of side and the first card hole location matches on the left of lower flange, the second card on the right side of the first wrap sheet and the second wrap sheet
Hole and the first card hole location matches on the right side of lower flange.
Preferably, first card hole is set as the slot of 3mm*1mm, and second card hole is set as 10mm*2mm
Slot.
Preferably, described to buckle the hook for including counterdie and being arranged in the middle part of counterdie.
Preferably, the length and width of the hook and thickness are respectively 4mm, 3mm and 1mm.
Preferably, the head cover is integrally formed with lower flange.
Preferably, the material of the lower flange is plastic cement material.
Preferably, the lug of the battery core is welded to by switching piece on head cover.
Preferably, the quantity of the battery core can be 2 or 4.
The utility model provides a kind of package assembly of square aluminum case lithium ion battery core Mylar films, including:Head cover, institute
It states head cover to be arranged on the top of battery core, and head cover surrounding is provided with lower flange, the first card hole is provided on the lower flange;
Mylar films, the Mylar films have the first wrap sheet, the second wrap sheet and are connected to the first wrap sheet and the second package
Connection sheet between piece, the connection sheet are in the bottom of battery core, and the first, second wrap sheet is close to be wrapped in the front and back of battery core respectively
Both sides, and the left and right sides of two wrap sheets partially overlaps in the left and right sides of battery core respectively;First wrap sheet and the second packet
The top edge for wrapping up in piece is respectively arranged with the second card hole;First card hole and the second card hole are clamped by buckle, the buckle so that Mylar
Film is integrally connected with head cover.The package assembly replaces machine hot melt assembling with easy assembled by hand, reduces machine cost, carries
The efficiency and excellent rate of high production process, can effectively reduce the production cost of battery core.
Description of the drawings
Fig. 1 is a kind of structural schematic diagram of the package assembly of square aluminum case lithium ion battery core Mylar films of the present embodiment;
Fig. 2 is the deployed configuration schematic diagram of the present embodiment Mylar films;
Fig. 3 is the main structure diagram of the present embodiment head cover;
Fig. 4 is the side structure schematic view of the present embodiment head cover;
Fig. 5 is the main structure diagram of the present embodiment buckle;
Fig. 6 is the side structure schematic view of the present embodiment buckle.
Specific implementation mode
Below in conjunction with the accompanying drawings, the embodiment of the utility model is specifically illustrated, attached drawing is only for reference and illustrates to use, not structure
The limitation of pairs of the utility model patent protection domain.
As shown in figures 1 to 6, a kind of package assembly of square aluminum case lithium ion battery core Mylar films, including:
Head cover 1, the head cover 1 are arranged on the top of battery core 101, and head cover surrounding is provided with lower flange 11, described
The first card hole 12 is provided on lower flange 11;
Mylar films 2, the Mylar films 2 have the first wrap sheet 21, the second wrap sheet 22 and are connected to the first packet
The connection sheet 23 between piece 21 and the second wrap sheet 22 is wrapped up in, which is in the bottom of battery core 101, the first, second package
Piece (21,22) is close to be wrapped in the front and rear sides of battery core 101 respectively, and the left and right sides of two wrap sheets partially overlaps in electricity respectively
The left and right sides of core 101;The top edge of first wrap sheet, 21 and second wrap sheet 22 is respectively arranged with the second card hole 24;
Buckle 3, which is clamped the first card hole 12 and the second card hole 24 so that Mylar films 2 connect one with head cover 1
Body.
The front side of the lower flange 11 and 101 long side direction of rear side upper edge battery core are each provided with three the first card holes 12, institute
101 short side direction of left and right side upper edge battery core for stating lower flange 11 is each provided with first card hole 12;First package
The top edge of piece 21 and the second wrap sheet 22 is respectively set that there are five identical second card holes of shape 24;When wrapping up battery core, it is in
Three 12 location matches of the first card hole of three the second card holes 24 and 11 front side of lower flange in the middle part of 21 top edge of the first wrap sheet,
Three 12 positions of the first card hole of three the second card holes 24 and 11 rear side of lower flange in the middle part of 22 top edge of the second wrap sheet
Matching, 12 position of the first card hole of second card hole 24 and 11 left side of lower flange in 22 left side of the first wrap sheet 21 and the second wrap sheet
Matching, 12 position of the first card hole of second card hole 24 and 11 right side of lower flange on 22 right side of the first wrap sheet 21 and the second wrap sheet
Matching.
First card hole 12 is set as the slot of 3mm*1mm, and second card hole 24 is set as 10mm*2mm's
Slot.The buckle 3 includes counterdie 31 and the hook 32 being arranged in the middle part of counterdie 31, and the length and width of counterdie are respectively
20mm and 5mm.The length and width and thickness of the hook 32 are respectively 4mm, 3mm and 1mm.
The head cover 1 is integrally formed with lower flange 11.The material of the lower flange 11 is plastic cement material, and the material of head cover is same
Sample is plastic cement material.
The lug 102 of the battery core is welded to by switching piece on head cover 1.The quantity of the battery core 101 can be 2 or
4.
Above disclosed is only the preferred embodiment of the utility model, for the noun of locality " front, back, left, right, up, down "
The convenience being intended merely in description, cannot limit the rights protection scope of the utility model, therefore according to the utility model with this
Equivalent variations made by claim, still fall within the scope of the utility model.
Claims (10)
1. a kind of package assembly of square aluminum case lithium ion battery core Mylar films, it is characterised in that including:
Head cover, the head cover are arranged on the top of battery core, and head cover surrounding is provided with lower flange, are arranged on the lower flange
There is the first card hole;
Mylar films, the Mylar films have the first wrap sheet, the second wrap sheet and are connected to the first wrap sheet and second
Connection sheet between wrap sheet, the connection sheet are in the bottom of battery core, and the first, second wrap sheet is close to be wrapped in battery core respectively
Front and rear sides, and the left and right sides of two wrap sheets partially overlaps in the left and right sides of battery core respectively;First wrap sheet and
The top edge of two wrap sheets is respectively arranged with the second card hole;
First card hole and the second card hole are clamped by buckle, the buckle so that Mylar films are integrally connected with head cover.
2. a kind of package assembly of square aluminum case lithium ion battery core Mylar films according to claim 1, feature exist
In:The front side of the lower flange and rear side upper edge battery core long side direction are each provided with three the first card holes, a left side for the lower flange
Side and right side upper edge battery core short side direction are each provided with first card hole;The top of first wrap sheet and the second wrap sheet
Edge is respectively arranged with identical second card hole of five shapes;When wrapping up battery core, three in the middle part of the first wrap sheet top edge
Second card hole and three the first card hole location matches on front side of lower flange, three second in the middle part of the second wrap sheet top edge
Three the first card hole location matches on rear side of card hole and lower flange, the second card hole on the left of the first wrap sheet and the second wrap sheet with
The first card hole location matches on the left of lower flange, the second card hole on the right side of the first wrap sheet and the second wrap sheet on the right side of lower flange
The first card hole location matches.
3. a kind of package assembly of square aluminum case lithium ion battery core Mylar films according to claim 2, feature exist
In:First card hole is set as the slot of 3mm*1mm, and second card hole is set as the slot of 10mm*2mm.
4. a kind of package assembly of square aluminum case lithium ion battery core Mylar films according to claim 3, feature exist
In:It is described to buckle the hook for including counterdie and being arranged in the middle part of counterdie.
5. a kind of package assembly of square aluminum case lithium ion battery core Mylar films according to claim 4, feature exist
In:The length and width and thickness of the hook are respectively 4mm, 3mm and 1mm.
6. a kind of package assembly of square aluminum case lithium ion battery core Mylar films according to claim 1, feature exist
In:It is described to buckle the hook for including counterdie and being arranged in the middle part of counterdie.
7. a kind of package assembly of square aluminum case lithium ion battery core Mylar films according to claim 1, feature exist
In:The head cover is integrally formed with lower flange.
8. a kind of package assembly of square aluminum case lithium ion battery core Mylar films according to claim 7, feature exist
In:The material of the lower flange is plastic cement material.
9. a kind of package assembly of square aluminum case lithium ion battery core Mylar films according to claim 1, feature exist
In:The lug of the battery core is welded to by switching piece on head cover.
10. a kind of package assembly of square aluminum case lithium ion battery core Mylar films according to claim 1, feature exist
In:The quantity of the battery core can be 2 or 4.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201721470400.4U CN207676948U (en) | 2017-11-07 | 2017-11-07 | A kind of package assembly of square aluminum case lithium ion battery core Mylar films |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201721470400.4U CN207676948U (en) | 2017-11-07 | 2017-11-07 | A kind of package assembly of square aluminum case lithium ion battery core Mylar films |
Publications (1)
Publication Number | Publication Date |
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CN207676948U true CN207676948U (en) | 2018-07-31 |
Family
ID=62965187
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
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CN201721470400.4U Expired - Fee Related CN207676948U (en) | 2017-11-07 | 2017-11-07 | A kind of package assembly of square aluminum case lithium ion battery core Mylar films |
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CN (1) | CN207676948U (en) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN109411644A (en) * | 2018-12-11 | 2019-03-01 | 成都市银隆新能源产业技术研究有限公司 | Battery core film and battery |
-
2017
- 2017-11-07 CN CN201721470400.4U patent/CN207676948U/en not_active Expired - Fee Related
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN109411644A (en) * | 2018-12-11 | 2019-03-01 | 成都市银隆新能源产业技术研究有限公司 | Battery core film and battery |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
GR01 | Patent grant | ||
GR01 | Patent grant | ||
CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20180731 Termination date: 20191107 |
|
CF01 | Termination of patent right due to non-payment of annual fee |