CN201523045U - Hot melt packaging structure of lithium ion batteries - Google Patents
Hot melt packaging structure of lithium ion batteries Download PDFInfo
- Publication number
- CN201523045U CN201523045U CN2009202210935U CN200920221093U CN201523045U CN 201523045 U CN201523045 U CN 201523045U CN 2009202210935 U CN2009202210935 U CN 2009202210935U CN 200920221093 U CN200920221093 U CN 200920221093U CN 201523045 U CN201523045 U CN 201523045U
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- CN
- China
- Prior art keywords
- lithium ion
- protecting plate
- hot melt
- battery protection
- protection board
- 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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- 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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- Sealing Battery Cases Or Jackets (AREA)
Abstract
The utility model relates to a hot melt packaging structure of lithium ion batteries, which comprises a cell and a battery protection board with gilded contact blades. The battery protection board is connected to the top portion of the cell by being welded with a nickel strip. The hot melt packaging structure is characterized in that a top casing is disposed on the upper side of the battery protection board, the top portion of the top casing is provided with windows corresponding to the gilded contact blades, the top casing is clamped on the battery protection board through a clamping hook on the lateral wall of the top casing, the battery protection board separated from the top face of the cell via a spacing is inlaid into the corresponding windows of the top casing through the gilded contact blades of the protection board to be further attached to the inner surface of the top portion of the top casing, the top face of the top casing is higher than that of each contact blade, the top casing, the battery protection board and the top portion of the cell are bonded integrally through hot melt adhesive injected into the spacing, height of the spacing ranges from 1.5mm to 2.5mm, and a label is coated on the outside of the cell. The hot melt packaging structure has the advantages that the process of hot melt injection molding can be effectively applied to the battery protection boards with gilded contact blades, thereby increasing rate of finished products, increasing production efficiency and reducing cost.
Description
Technical field
The utility model relates to the lithium ion battery encapsulating structure, relates in particular to the heat-sealable assembling structure of a kind of lithium ion battery
Background technology
Lithium ion battery because have voltage height, specific energy height, recycle often, advantage such as memory time is long, not only on portable electric appts, be used widely as mobile phone, Digital Video and laptop computer, and be widely used in big-and-middle-sized electrical equipment fields such as electric automobile, electric bicycle and electric tool, along with the expansion of range of application, also more and more higher to the performance requirement of lithium ion battery.At present, in the lithium ion battery encapsulation process, its encapsulating structure mainly contains framework encapsulating structure, heat-sealable assembling structure and thermal shrinkable sleeve encapsulating structure.Wherein adopt the heat-sealable assembling structure of injection heat melten gel to have the advantages that cost is low, rate of finished products is high, production efficiency is high.But adopt the hot-melting and injection-molding encapsulation to exist score protection plate pad and injection surface that pit, bubble, bad problem such as bilateral are arranged again; especially; more inapplicable to being used for the gold-plated contact battery protecting plate of mounting of mobile phone; therefore; address the above problem, promoting the hot-melting and injection-molding encapsulation technology becomes the industry concerned issue.
The utility model content
Main purpose of the present utility model is at the problems referred to above; a kind of heat-sealable assembling structure of lithium ion battery that has the protection gold-plated contact of battery protecting plate and can form good PUR injection molded layers is provided, it is effectively applied reach the effect that production cost reduces, rate of finished products improves, production efficiency improves that makes lithium ion battery.
The technical scheme that its technical problem that solves the utility model adopts is:
The heat-sealable assembling structure of a kind of lithium ion battery, comprise electric core, battery protecting plate with gold-plated contact, battery protecting plate is by being welded to connect in electric core top with nickel strap, it is characterized in that above described battery protecting plate, being provided with the top shell, corresponding described each the gold-plated contact in shell top, top has window, the top shell is installed on the battery protecting plate by the trip that is arranged on the one sidewall, with abut in top shell top inner surface the battery protecting plate that electric core end face is possessed the gap is gone into the corresponding window of top shell by its gold-plated contact setting-in in, described top shell end face is higher than gold-plated contact end face; Top shell, battery protecting plate and electric core top are bonded as one by the PUR injection molded layers that the PUR that injects described gap forms.
Clearance height between described battery protecting plate and electric core end face is 1.5～2.5mm.
At the outside label that coats of the described electric core that has encapsulated.
Be provided with the wet Decal of sense at described top shell end face.
The beneficial effects of the utility model are: in heat-sealable assembling structure, establish the top shell of the gold-plated contact window of trip peripheral hardware in setting up, especially when the injection moulding hot melt, be used the auxiliary mould pilot pin again, make the battery protecting plate stable position in the guarded position of gold-plated contact, formed good firm PUR injection molded layers simultaneously, top shell and label are coated on battery top and surrounding place side face, existing protective effect makes the battery outward appearance neat attractive in appearance again, the wet Decal of sense can provide ambient humidity information at any time, provides easy to use; The utility model is simple in structure, and is easy to make, and hot-melting and injection-molding technology effectively is applied on the battery protection plate structure with gold-plated contact, and reaches and guarantee battery performance, the purpose that rate of finished products improves, production efficiency improves, the lithium ion battery production cost reduces.
Description of drawings
Fig. 1 is the lithium ion battery overall structure assembling schematic diagram that adopts heat-sealable assembling structure;
Fig. 2 is the sectional structure schematic diagram that adopts the lithium ion battery of heat-sealable assembling structure;
Fig. 3 is the A zoomed-in view among Fig. 2;
Fig. 4 is the internal structure view of top shell.
Among the figure: 1 top shell, 11 windows, 12 trips, 13 Decals, 2 battery protecting plates, 21 gold-plated contacts, 3 PUR injection molded layers, 4 nickel straps, 5 electric cores, 6 two-sided tapes, 7 drain pans, 8 labels, 9PTC screening glass.
Below in conjunction with drawings and Examples the utility model is described in detail.
Embodiment
Fig. 1～Fig. 4 shows the heat-sealable assembling structure of a kind of lithium ion battery; comprise electric core 5; battery protecting plate 2 with gold-plated contact 21; PTC screening glass 9 connects electric core 5 by nickel strap 4; battery protecting plate 2 is arranged at electric core 5 tops by being welded to connect with nickel strap 4; it is characterized in that above above-mentioned battery protecting plate 2, top shell 1 being set; corresponding described each the gold-plated contact 21 in top shell 1 top has window 11; top shell 1 is installed on the battery protecting plate 2 by the trip 12 that is arranged on the one sidewall; with abut in top shell 1 top inner surface the battery protecting plate 2 that electric core 5 end faces are possessed the gap is gone into the corresponding window 11 of top shell by its gold-plated contact 21 setting-ins in; above-mentioned top shell 1 end face is higher than gold-plated contact 21 end faces; here, the clearance height between battery protecting plate 2 and electric core end face is 1.5～2.5mm.The PUR injection molded layers 3 that the PUR that top shell 1, battery protecting plate 2 and electric core 5 tops are injected by above-mentioned gap forms is bonded as one.Top shell 1 battery protecting plate 2 is positioned at make gold-plated contact 21 setting-ins to go in the corresponding window 11 and its end face is lower than the position of above-mentioned top shell 1 end face; like this; gold-plated contact 21 is protected, can in injection moulding process, not be injection molding the damage of instrument and mould, guaranteed the product electric property.Above-mentioned gold-plated contact 21 indents are provided with structure, and are more adaptive with the evagination connector construction of mobile phone in actual use.In the utility model,, play protection and insulating effect at the above-mentioned electric core 5 outside labels 8 that coat that finish that encapsulated.Top shell 1 and label 8 all play the effect that covers hot melt mould-injection layer 2, therefore make cell integrated attractive in appearance neat.In the present embodiment, also be provided with the wet Decal of sense, play the effect that ambient humidity information is provided at any time at top shell 1 end face.
In the actual processing; for making battery protecting plate 5 positioning stablities; carry out in the encapsulation process at the injection heat melten gel; when adopting shell 1 pair of baffle one side in top to position; also utilize the mold position pin to carry out assist location at the baffle opposite side; guarantee that baffle more firmly is positioned desired location, thereby guarantee that gold-plated contact is not scratched, also can form evenly good PUR injection molded layers simultaneously.
The above only is a preferred embodiment of the present utility model, is not shape material of the present utility model and structure are done any pro forma restriction.Every foundation technical spirit of the present utility model all still belongs in the scope of technical solutions of the utility model any simple modification, equivalent variations and modification that above embodiment did.
Claims (4)
1. heat-sealable assembling structure of lithium ion battery, comprise electric core, battery protecting plate with gold-plated contact, battery protecting plate is by being welded to connect in electric core top with nickel strap, it is characterized in that above described battery protecting plate, being provided with the top shell, corresponding described each the gold-plated contact in shell top, top has window, the top shell is installed on the battery protecting plate by the trip that is arranged on the one sidewall, with abut in top shell top inner surface the battery protecting plate that electric core end face is possessed the gap is gone into the corresponding window of top shell by its gold-plated contact setting-in in, described top shell end face is higher than gold-plated contact end face; Top shell, battery protecting plate and electric core top are bonded as one by the PUR injection molded layers that the PUR that injects described gap forms.
2. the heat-sealable assembling structure of lithium ion battery according to claim 1 is characterized in that the clearance height between described battery protecting plate and electric core end face is 1.5～2.5mm.
3. the heat-sealable assembling structure of lithium ion battery according to claim 1 and 2 is characterized in that at the outside label that coats of the described electric core that has encapsulated.
4. the heat-sealable assembling structure of lithium ion battery according to claim 1 and 2 is characterized in that being provided with the wet Decal of sense at described top shell end face.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009202210935U CN201523045U (en) | 2009-09-29 | 2009-09-29 | Hot melt packaging structure of lithium ion batteries |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009202210935U CN201523045U (en) | 2009-09-29 | 2009-09-29 | Hot melt packaging structure of lithium ion batteries |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201523045U true CN201523045U (en) | 2010-07-07 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2009202210935U Expired - Fee Related CN201523045U (en) | 2009-09-29 | 2009-09-29 | Hot melt packaging structure of lithium ion batteries |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201523045U (en) |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102340026A (en) * | 2010-07-22 | 2012-02-01 | 深圳市比克电池有限公司 | Lithium ion battery |
| CN102340020A (en) * | 2011-03-12 | 2012-02-01 | 深圳市比克电池有限公司 | Battery pack and assembling method of battery pack |
| CN102569681A (en) * | 2010-12-10 | 2012-07-11 | 比亚迪股份有限公司 | Lithium ion battery |
| CN105390750A (en) * | 2015-11-23 | 2016-03-09 | 安徽恒利机电科技有限公司 | Packaging process for lithium battery of miner lamp |
| CN106898715A (en) * | 2017-03-22 | 2017-06-27 | 广东欧珀移动通信有限公司 | The manufacture method and electronic installation of electronic installation |
| CN110459822A (en) * | 2019-08-07 | 2019-11-15 | 珠海冠宇电源有限公司 | Novel protected plate insulation-encapsulated technique and lithium battery |
-
2009
- 2009-09-29 CN CN2009202210935U patent/CN201523045U/en not_active Expired - Fee Related
Cited By (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102340026A (en) * | 2010-07-22 | 2012-02-01 | 深圳市比克电池有限公司 | Lithium ion battery |
| CN102340026B (en) * | 2010-07-22 | 2015-08-05 | 深圳市比克电池有限公司 | A kind of lithium ion battery |
| CN102569681A (en) * | 2010-12-10 | 2012-07-11 | 比亚迪股份有限公司 | Lithium ion battery |
| CN102569681B (en) * | 2010-12-10 | 2015-11-25 | 比亚迪股份有限公司 | A kind of lithium ion battery |
| CN102340020A (en) * | 2011-03-12 | 2012-02-01 | 深圳市比克电池有限公司 | Battery pack and assembling method of battery pack |
| CN102340020B (en) * | 2011-03-12 | 2015-09-09 | 深圳市比克电池有限公司 | Battery pack and battery pack assembly method |
| CN105390750A (en) * | 2015-11-23 | 2016-03-09 | 安徽恒利机电科技有限公司 | Packaging process for lithium battery of miner lamp |
| CN105390750B (en) * | 2015-11-23 | 2017-12-01 | 安徽恒利机电科技股份有限公司 | A kind of mine lamp lithium battery encapsulation technique |
| CN106898715A (en) * | 2017-03-22 | 2017-06-27 | 广东欧珀移动通信有限公司 | The manufacture method and electronic installation of electronic installation |
| CN110459822A (en) * | 2019-08-07 | 2019-11-15 | 珠海冠宇电源有限公司 | Novel protected plate insulation-encapsulated technique and lithium battery |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20100707 Termination date: 20110929 |