CN204407435U - A kind of built-in battery - Google Patents
A kind of built-in battery Download PDFInfo
- Publication number
- CN204407435U CN204407435U CN201520099275.5U CN201520099275U CN204407435U CN 204407435 U CN204407435 U CN 204407435U CN 201520099275 U CN201520099275 U CN 201520099275U CN 204407435 U CN204407435 U CN 204407435U
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- Prior art keywords
- insulation film
- pcm
- battery
- built
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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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- 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
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- Connection Of Batteries Or Terminals (AREA)
Abstract
The utility model belongs to technical field of lithium ion, in particular to a kind of built-in battery, comprise battery core, nonwoven fabrics, PCM, insulation film, connector and flexible PCB, the front end of battery core is provided with lug, PCM is connected with flexible PCB and connector respectively, PCM is electrically connected with lug, and nonwoven fabrics is attached at the one end at the place, close dell position on the closedtop limit of battery core, and insulation film is located in around PCM.Relative to prior art, the insulation film be located in the utility model around PCM can effectively insulate PCM, thus only use an insulation film just can realize the insulation of PCM, and the phenomenon that warps that insulation film just effectively can be prevented when not pasting double faced adhesive tape too small at the shallow hole side bonding area of PCM and cause, this battery both can reduce Material Cost, can also simplify the operation, reduce station.
Description
Technical field
The utility model belongs to technical field of lithium ion, particularly a kind of built-in battery.
Background technology
Lithium ion battery has been widely used in communication and electron trade at present, most digital products on the market, is all as energy resource supply with lithium ion battery.
The built-in battery of a lot of only packet header is all adopt Du Pont's paper entirely to wrap insulation PCM usually at present, PCM bending is to a rear flank at the place, dell position of battery, the head of battery is encased with insulation film, this structure needs more material and more operation, thus cause the increase of its manufacturing cost, and to be pasted onto the area of shallow hole less due to insulation film, therefore also need to paste a double faced adhesive tape in the side at place, shallow hole position to warp to avoid insulation film, thus further increase manufacturing cost.Wherein, dell position and shallow hole position refer to the darker hole and more shallow hole gone out on the packaging film of battery respectively.The accommodation space that dell and shallow hole are formed is used for accommodating battery core, and then in this accommodation space, inject electrolyte, packaging film can obtain lithium ion battery after closedtop and side seal.
In view of this, necessaryly provide a kind of built-in battery, it only uses an insulation film just can realize the insulation of PCM, and can also effectively prevent insulation film from warping in shallow hole side, this battery both can reduce Material Cost, can also simplify the operation, and reduced station.
Utility model content
The purpose of this utility model is: for the deficiencies in the prior art, and a kind of built-in battery is provided, it only uses an insulation film just can realize the insulation of PCM, and can also effectively prevent insulation film from warping in shallow hole position, this battery both can reduce Material Cost, can also simplify the operation, reduce station.
In order to achieve the above object, the utility model adopts following technical scheme:
A kind of built-in battery, comprise battery core, nonwoven fabrics, PCM, insulation film, connector and flexible PCB, the front end of described battery core is provided with lug, described PCM is connected with described flexible PCB and described connector respectively, described PCM is electrically connected with described lug, described nonwoven fabrics is attached at the one end at the place, close dell position on the closedtop limit of described battery core, and described insulation film is located in around described PCM.
One as the utility model built-in battery is improved, the second extension that described insulation film comprises the first insulation film main part, the second insulation film main part, the first extension extended to both sides from the upper end of described first insulation film main part and extends to both sides from the two ends, middle part of described second insulation film main part.
One as the utility model built-in battery is improved, and described first insulation film main part, described second insulation film main part, described first extension and described second extension form the accommodation space that is surrounded described PCM jointly.
One as the utility model built-in battery is improved, described first insulation film main body section is between described PCM and described lug, described second insulation film main body section is in the side at the place, dell position of the close described battery core of described PCM, described first extension is arranged at the two ends, left and right of described PCM, and described second extension is arranged at the one end at the place, close dell position on the closedtop limit of described battery core.
One as the utility model built-in battery is improved, and the length of described second insulation film main part is greater than the length of described first insulation film main part.
One as the utility model built-in battery is improved, and the length of described second extension is greater than the length of described first extension.
One as the utility model built-in battery is improved, and one end of described first insulation film main part is also provided with breach.
One as the utility model built-in battery is improved, and described flexible PCB is also provided with reinforced rubber sheet.
One as the utility model built-in battery is improved, and described flexible PCB is also provided with polyimide film.
Relative to prior art, nonwoven fabrics in the utility model can prevent battery core be subject to the impact of PCM and damage battery core effectively, and nonwoven fabrics is attached at the side at the place, close dell position on the closedtop limit of battery core, instead of all encase PCM, thus can material be saved; The PCM and the insulation film be located in around PCM can effectively insulate, thus only use an insulation film just can realize the insulation of PCM, and the phenomenon that warps that insulation film just effectively can be prevented when not pasting double faced adhesive tape too small at the shallow hole side bonding area of PCM and cause, this battery both can reduce Material Cost, can also simplify the operation, reduce station.
Accompanying drawing explanation
Fig. 1 is decomposition texture schematic diagram of the present utility model.
Fig. 2 is the structural representation of insulation film in the utility model.
Wherein, 1-battery core, 11-lug, 2-nonwoven fabrics, 3-PCM, 4-insulation film, 41-first insulation film main part, 421-breach, 42-second insulation film main part, 43-first extension, 44-second extension, 5-connector, 6-flexible PCB, 7-reinforced rubber sheet, 8-polyimide film.
Embodiment
Below in conjunction with the drawings and specific embodiments, the utility model and Advantageous Effects thereof are described in detail, but embodiment of the present utility model is not limited to this.
Refer to Fig. 1, a kind of built-in battery that the utility model provides, comprise battery core 1, nonwoven fabrics 2, PCM 3, insulation film 4, connector 5 and flexible PCB (FPC) 6, the front end of battery core 1 is provided with lug 11, PCM 3 is connected with flexible PCB 6 and connector 5 respectively, PCM 3 is electrically connected with lug 11, and nonwoven fabrics 2 is attached at the side at the place, close dell position on the closedtop limit of battery core 1, covers the side at the place, close dell position on the closedtop limit of battery core 1 completely.And nonwoven fabrics 2 is between battery core 1 and PCM3, can effectively prevent battery core 1 from impacting by PCM 3 and damaging battery core 1.Insulation film 4 is located in PCM 3 around.The lug 11 of PCM 3 and battery core 1 adopts laser welding, has welded rear PCM 3 and to have turned back the one end at place, close dell position of battery core 3 again.Insulation film 4 covers PCM 3 completely, effectively insulate to PCM 3.
Wherein, nonwoven fabrics 2 can prevent battery core 1 from damaging battery core 1 by the impact of PCM 3 effectively, and nonwoven fabrics 2 is only attached at the side at the place, dell position of the close battery core 1 of lug 11, instead of all encases PCM 3, thus can save material; The PCM 3 and insulation film 4 be located in around PCM 3 can effectively insulate, thus only use an insulation film 4 just can realize the insulation of PCM 3, and the phenomenon that warps that insulation film 4 just effectively can be prevented when not pasting double faced adhesive tape too small at the shallow hole side bonding area of PCM 3 and cause, this battery both can reduce Material Cost, can also simplify the operation, reduce station.
As shown in Figure 2, insulation film 4 the second extension 44 of comprising the first insulation film main part 41, second insulation film main part 42, the first extension 43 extended to both sides from the upper end of the first insulation film main part 41 and extending to both sides from the two ends, middle part of the second insulation film main body 42.Second extension 44 effectively can avoid the tilt problems caused because bonding area is too small, and the first insulation film main part 41, second insulation film main part 42, first extension 43 and the second extension 44 form the accommodation space that is surrounded PCM 3 jointly.First insulation film main part 41 is between PCM 3 and lug 11, second insulation film main part 42 is positioned at the side at the place, dell position of the close battery core 1 of PCM 3, first extension 43 is arranged at the two ends, left and right of PCM 3, and the second extension 44 is arranged at the one end at the place, close dell position on the closedtop limit of battery core 1.And the length of the second insulation film main part 42 is greater than the length of the first insulation film main part 41.The length of the second extension 44 is greater than the length of the first extension 43.One end of first insulation film main part 41 is also provided with breach 421, so that the turnover of insulation film 4.
Flexible PCB 6 is also provided with reinforced rubber sheet 7, and reinforced rubber sheet 7 can strengthen the mechanical strength of flexible PCB 6.
Flexible PCB 6 is also provided with polyimide film 8, and it both can reduce stress as resilient coating, can play good insulating effect again.
During assembling, comprise the following steps:
Step one, the place, close dell position on the closedtop limit of battery core 1 one end paste nonwoven fabrics 2 (as Du Pont's paper);
Step 2, by PCM 3 and battery core 1 laser welding of soldered flexible PCB 6 (posting reinforced rubber sheet 7 and polyimide film 8) and connector;
Step 3, insulation film 4 are labelled on PCM 3 from the side at the place, close dell position of battery core 1, the first insulation film main part 41 is made to be attached to the one side of PCM 3, second insulation film main part 42 is then positioned on PCM 3, then the first extension 43 is turned down on the another side of PCM 3, the first extension 43 is made to be arranged at the two ends, left and right of PCM 3, floating and press insulation film 4 with hand, the gum of insulation film 4 is fully closely contacted with PCM 3;
Step 4, by PCM 3 bending to the one end at the place, close dell position on the closedtop limit of battery core 1, then the second insulation film main part 42 is turned down the one end at the place, close shallow hole position on the closedtop limit to battery core 1, then the second extension 44 is turned down from the side the one end at the place, close dell position on the closedtop limit to battery core 1, push down PCM 3, thus effectively can avoid and that cause tilt problems too small due to bonding area.
The announcement of book and guidance according to the above description, the utility model those skilled in the art can also carry out suitable change and amendment to above-mentioned execution mode.Therefore, the utility model is not limited to embodiment disclosed and described above, also should fall in the protection range of claim of the present utility model modifications and changes more of the present utility model.In addition, although employ some specific terms in this specification, these terms just for convenience of description, do not form any restriction to the utility model.
Claims (9)
1. a built-in battery, it is characterized in that: comprise battery core, nonwoven fabrics, PCM, insulation film, connector and flexible PCB, the front end of described battery core is provided with lug, described PCM is connected with described flexible PCB and described connector respectively, described PCM is electrically connected with described lug, described nonwoven fabrics is attached at the one end at the place, close dell position on the closedtop limit of described battery core, and described insulation film is located in around described PCM.
2. built-in battery according to claim 1, is characterized in that: the second extension that described insulation film comprises the first insulation film main part, the second insulation film main part, the first extension extended to both sides from the upper end of described first insulation film main part and extends to both sides from the two ends, middle part of described second insulation film main part.
3. built-in battery according to claim 2, is characterized in that: described first insulation film main part, described second insulation film main part, described first extension and described second extension form the accommodation space that is surrounded described PCM jointly.
4. built-in battery according to claim 3, it is characterized in that: described first insulation film main body section is between described PCM and described lug, described second insulation film main body section is in the side at the place, dell position of the close described battery core of described PCM, described first extension is arranged at the two ends, left and right of described PCM, and described second extension is arranged at the one end at the place, close dell position on the closedtop limit of described battery core.
5. built-in battery according to claim 2, is characterized in that: the length of described second insulation film main part is greater than the length of described first insulation film main part.
6. built-in battery according to claim 2, is characterized in that: the length of described second extension is greater than the length of described first extension.
7. built-in battery according to claim 2, is characterized in that: one end of described first insulation film main part is also provided with breach.
8. built-in battery according to claim 1, is characterized in that: described flexible PCB is also provided with reinforced rubber sheet.
9. built-in battery according to claim 1, is characterized in that: described flexible PCB is also provided with polyimide film.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520099275.5U CN204407435U (en) | 2015-02-10 | 2015-02-10 | A kind of built-in battery |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520099275.5U CN204407435U (en) | 2015-02-10 | 2015-02-10 | A kind of built-in battery |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204407435U true CN204407435U (en) | 2015-06-17 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520099275.5U Active CN204407435U (en) | 2015-02-10 | 2015-02-10 | A kind of built-in battery |
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| Country | Link |
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| CN (1) | CN204407435U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109148932A (en) * | 2018-08-23 | 2019-01-04 | 曙鹏科技（深圳）有限公司 | A kind of minicell group and its manufacturing method |
| US11444349B2 (en) | 2018-01-25 | 2022-09-13 | Ningde Amperex Technology Limited | Battery |
-
2015
- 2015-02-10 CN CN201520099275.5U patent/CN204407435U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US11444349B2 (en) | 2018-01-25 | 2022-09-13 | Ningde Amperex Technology Limited | Battery |
| CN109148932A (en) * | 2018-08-23 | 2019-01-04 | 曙鹏科技（深圳）有限公司 | A kind of minicell group and its manufacturing method |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20200713 Address after: Room 413, unit 2, building 1, No. 9, Keji 9th Road, Songshanhu Park, Dongguan City, Guangdong Province 523000 Patentee after: Dongguan xinneng'an Technology Co.,Ltd. Address before: 523000, Guangdong, Liaobu Town, Dongguan Tong village youth field industrial zone Patentee before: Dongguan NVT Technology Co.,Ltd. |
|
| TR01 | Transfer of patent right |