CN206250305U - Lithium ion battery with waterproof and dampproof function - Google Patents
Lithium ion battery with waterproof and dampproof function Download PDFInfo
- Publication number
- CN206250305U CN206250305U CN201621168679.6U CN201621168679U CN206250305U CN 206250305 U CN206250305 U CN 206250305U CN 201621168679 U CN201621168679 U CN 201621168679U CN 206250305 U CN206250305 U CN 206250305U
- Authority
- CN
- China
- Prior art keywords
- lithium ion
- waterproof
- ion battery
- protection boards
- heat shrinkage
- 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
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- Sealing Battery Cases Or Jackets (AREA)
- Battery Mounting, Suspending (AREA)
Abstract
The utility model discloses a kind of lithium ion battery with waterproof and dampproof function, including takeup type battery core, PCB protection boards and heat shrinkage film.The outside of PCB protection boards also coats one layer of waterproof gummed paper, and the PCB protection boards covered by marine glue paper bag are folded into the closedtop groove of lithium ion battery, and heat shrinkage film coats the closedtop groove of takeup type battery core, the PCB protection boards of cladding waterproof gummed paper and lithium ion battery completely.The lithium ion battery of this case; one layer of heat shrinkage film is coated in outside batteries; film is tightened by high temperature contracting film device; heat shrinkage film is set tightly to coat takeup type battery core and PCB protection boards; external water molecule can be effectively prevented from and enter inside battery; one layer of waterproof glue of PCB protection boards outside cladding, further prevents hydrone from being contacted with PCB protection boards simultaneously.The lithium ion battery of this case, simple structure, sealing property is high, good water-proof effect.
Description
Technical field
The utility model is related to field of lithium ion battery, more particularly to a kind of lithium-ion electric with waterproof and dampproof function
Pond.
Background technology
Lithium ion battery protecting plate easily causes the normal of wiring board Effect of Short Circuit battery in the environment of rainwater or humidity
Use, in some instances it may even be possible to produce because wiring board occurs security incident to the defencive function failure of battery.
Lithium ion battery with waterproof and dampproof function can not influenceed normally in the moist environment of rainwater by adverse circumstances
Use, there is wide application market, such as submersible lighting device, low lighting apparatus, outdoor supervision equipment etc..
In the patent of invention that number of patent application is " 201610188261.X ", patent name is " a kind of lithium battery pack ",
Disclose a kind of lithium battery pack, including battery carrier by one-dimensional carbon fiber modifying flame-retardant high-molecular composite material engineering, by fire-retardant
The structures such as housing, battery circuit protection board, the battery core that macromolecular material is constituted are constituted.It is special due to battery carrier and case material
Property so that lithium battery has the function of waterproof sealing.But the housing of this utilization special material and the lithium battery of battery carrier, no
It is adapted to the production of soft package lithium battery, and production cost is higher, the need for can not meet market.
Utility model content
For weak point present in above-mentioned technology, the utility model provides a kind of carrying for suitable soft package lithium battery
The lithium ion battery of waterproof and dampproof function.
To achieve these goals, the utility model provides a kind of lithium ion battery with waterproof and dampproof function, bag
Takeup type battery core, PCB protection boards and heat shrinkage film are included, the PCB protection boards are electrically connected with takeup type battery core, and PCB protection boards position
In the top of takeup type battery core, the heat shrinkage film coats takeup type battery core and PCB protection boards；The outside of the PCB protection boards is also
One layer of waterproof gummed paper is coated, and the PCB protection boards covered by marine glue paper bag are folded into the closedtop groove of lithium ion battery, the heat
Contracting film coats the closedtop groove of takeup type battery core, the PCB protection boards of cladding waterproof gummed paper and lithium ion battery completely.
Wherein, the width of the PCB protection boards is less than or equal to the width of the closedtop groove of lithium ion battery, and lithium-ion electric
The width of the closedtop groove in pond is equal with the thickness of takeup type battery core.
Wherein, the obverse and reverse of the PCB protection boards is coated with Waterproof glue line.
Wherein, the takeup type battery core includes positive plate, negative plate, barrier film, anode ear and negative electrode lug, and the barrier film is located at
Between positive plate and negative plate, and positive plate and negative plate are separated；One end electric welding anode ear of the positive plate, the negative pole
One end electric welding negative electrode lug of plate；The anode ear and negative electrode lug are connected with the electric welding of PCB protection boards respectively；And it is exposed in takeup type electricity
The corresponding site of anode ear and negative electrode lug outside core is coated with Waterproof glue line.
Wherein, also electric welding has the positive wire and cathode conductor with ft connection on the PCB protection boards, and the positive pole is led
The position that line and cathode conductor are located inside heat shrinkage film is coated with Waterproof glue line.
Wherein, the heat shrinkage film is provided with the first pit for accommodating takeup type battery core, four of the edge of first pit
At least one forms fillet by hot pressing in the position of angle.
Wherein, the heat shrinkage film is PVC heat shrinkage films.
The beneficial effects of the utility model are：Compared with prior art, lithium ion battery of the present utility model, outside battery
Portion coats one layer of heat shrinkage film, and film is tightened by high temperature contracting film device, heat shrinkage film is tightly protected takeup type battery core and PCB
Plate is coated, and can be effectively prevented from external water molecule and be entered inside battery, while PCB protection boards outside one layer of waterproof glue of cladding,
Further prevent hydrone from being contacted with PCB protection boards.The lithium ion battery of this case, simple structure, sealing property is high, waterproof effect
It is good.
Brief description of the drawings
Fig. 1 is the structural representation of the uncoated heat shrinkage film of the utility model lithium ion battery；
Fig. 2 is the structural representation that the utility model lithium ion battery coats heat shrinkage film；
Fig. 3 is the structural representation of the utility model lithium ion battery heat shrinkage film.
Main element symbol description is as follows：
1st, takeup type battery core 2, PCB protection boards
3rd, heat shrinkage film 4, positive wire
5th, cathode conductor 6, closedtop groove
7th, the first pit 8, fillet.
Specific embodiment
In order to more clearly state the utility model, the utility model is further described below in conjunction with the accompanying drawings.
Fig. 1 and Fig. 2, a kind of lithium ion battery with waterproof and dampproof function, including takeup type battery core 1, PCB is referred to protect
Backplate 2 and heat shrinkage film 3, PCB protection boards 2 are electrically connected with takeup type battery core 1, and PCB protection boards 2 are located at the upper of takeup type battery core 1
Portion, the cladding takeup type of heat shrinkage film 3 battery core 1 and PCB protection boards 2；The outside of PCB protection boards 2 also coats one layer of waterproof gummed paper, and quilt
The PCB protection boards 2 that marine glue paper bag covers are folded into the closedtop groove 6 of lithium ion battery, and heat shrinkage film 3 coats takeup type battery core completely
1st, the closedtop groove 6 of the PCB protection boards 2 of cladding waterproof gummed paper and lithium ion battery.
Compared with prior art, lithium ion battery of the present utility model, one layer of heat shrinkage film 3 is coated in outside batteries, is passed through
High temperature contracting film device tightens film, heat shrinkage film 3 is tightly coated takeup type battery core 1 and PCB protection boards 2, can effectively keep away
Exempt from external water molecule and enter inside battery, while the outside of PCB protection boards 2 one layer of waterproof glue of cladding, further prevents hydrone
Contacted with PCB protection boards.The lithium ion battery of this case, simple structure, sealing property is high, good water-proof effect.
In the present embodiment, the width of PCB protection boards 2 is less than or equal to the width of the closedtop groove 6 of lithium ion battery, and lithium
The width of the closedtop groove of ion battery is equal with the thickness of takeup type battery core.Heat shrinkage film 3 carry out pyrocondensation coat when, due to high temperature
Heat shrinkage film 3 can be made tightly to coat takeup type battery core 1, when the width of PCB protection boards 2 is excessive, in bending, the meeting of PCB protection boards 2
Beyond closedtop groove 6, heat shrinkage film 3 easily causes space in pyrocondensation, so that the sealing property reduction of battery.When PCB protections
When the width of plate 2 is less than or equal to the width of closedtop groove 6, PCB protection boards 2 can be contained in closedtop groove 6 completely, such heat shrinkage film
3 can completely be coated with takeup type battery core 1, PCB protection boards 2 and closedtop groove 6, the good seal performance of battery in pyrocondensation.
In the present embodiment, the obverse and reverse of PCB protection boards 2 is coated with Waterproof glue line.In the front of PCB protection boards 2
One layer of Waterproof glue line is coated with reverse side, PCB is so further protected, prevents hydrone from being contacted with pcb board 2.This practicality is new
The PCB protection boards 2 of type are by coating marine glue, cladding waterproof gummed paper and cladding heat shrinkage film, three-layer protection so that whole pcb board 2
Water resistance more preferably.
In the present embodiment, takeup type battery core 1 includes positive plate, negative plate, barrier film, anode ear and negative electrode lug, barrier film position
Between positive plate and negative plate, and positive plate and negative plate are separated；One end electric welding anode ear of positive plate, the one of negative plate
End electric welding negative electrode lug；Anode ear and negative electrode lug are connected with the weldering of PCB protection boards 2 respectively；And the exposed positive pole in takeup type battery core 1
The corresponding site of ear and negative electrode lug is coated with Waterproof glue line.When battery core is wound, there is part lug exposed in battery core
Outside, the lug of this part also can coat waterproof gummed paper and as PCB protection boards 2 are folded into closedtop groove 6 with PCB protection boards 2
In.Waterproof glue line is coated at the exposed position of PCB protection boards 2, lug can be further protected, prevents hydrone from being contacted with lug,
The danger for leaking.
In the present embodiment, also electric welding has the positive wire 4 and cathode conductor 5 with ft connection on PCB protection boards 2, just
The position that polar conductor 4 and cathode conductor 5 are located inside heat shrinkage film 3 is coated with Waterproof glue line.Heat shrinkage film 3 when pyrocondensation is carried out, by
It is in communication with the outside in positive wire 4 and cathode conductor 5, when pyrocondensation is carried out, positive wire 4 and cathode conductor 5 and heat shrinkage film 3
The position of connection there may be space, and the position being located inside heat shrinkage film 3 in positive wire 4 and cathode conductor 5 is coated with waterproof
Glue-line, can so make up the space of junction, and the sealing of battery is lifted in all directions.
Fig. 3 is referred to, heat shrinkage film 3 is provided with the first pit 7 for accommodating takeup type battery core 1, four of the edge of the first pit 7
At least one forms fillet 8 by hot pressing in the position of angle.Heat shrinkage film of the present utility model 3 forms the first pit 7, the first pit 7
Edge four angles position by hot pressing formation fillet 8, it is necessary to bending heat shrinkage film 3 is produced in the operation of post-production
When, hot pressing forms fillet can be by the stress dispersion of 3 jiaos of heat shrinkage film position, it is to avoid stress concentrates the breakage for causing, and improves soft
Pack the qualification rate of lithium ion battery.
In the present embodiment, heat shrinkage film 3 is PVC heat shrinkage films 3.PVC heat shrinkage films 3 have that intensity is big, elastic pulling force big, easily receive
The advantages of contracting performance is good, when pyrocondensation is carried out, can tightly coat takeup type battery core, pcb board and closedtop groove, and the sealing of battery is more
It is good.
Advantage of the present utility model is：
1st, lithium ion battery of the present utility model, one layer of heat shrinkage film 3 is coated in outside batteries, heat shrinkage film 3 tightly will
Takeup type battery core 1 and PCB protection boards 2 are coated, and can be effectively prevented from external water molecule and be entered inside battery, while PCB protection boards 2
Outside one layer of waterproof glue of cladding, further prevents hydrone from being contacted with PCB protection boards 2；
2nd, PCB protection boards 2 are by coating marine glue, cladding waterproof gummed paper and cladding heat shrinkage film, three-layer protection so that whole
The water resistance of PCB protection boards 2 is more preferably；
3rd, Waterproof glue line is coated at the exposed position of PCB protection boards 2, can further protects lug, prevent hydrone and pole
Ear is contacted, the danger for leaking；
4th, the position being located inside heat shrinkage film 3 in positive wire 4 and cathode conductor 5 is coated with Waterproof glue line, so can be more
The space of junction is mended, further the sealing of lifting battery；
5th, the edge of the first pit 7 four angles position by hot pressing formation fillet 8, in the operation of post-production, it is necessary to
When bending heat shrinkage film 3 is produced, hot pressing forms fillet 8 can be by the stress dispersion of 3 jiaos of heat shrinkage film position, it is to avoid stress concentration
The breakage for causing, improves the qualification rate of flexible packing lithium ion battery.
Disclosed above is only several specific embodiments of the present utility model, but the utility model is not limited to this, is appointed
What what those skilled in the art can think change should all fall into protection domain of the present utility model.
Claims (7)
1. a kind of lithium ion battery with waterproof and dampproof function, it is characterised in that including takeup type battery core, PCB protection boards and
Heat shrinkage film, the PCB protection boards are electrically connected with takeup type battery core, and PCB protection boards are located at the top of takeup type battery core, the heat
Contracting film coats takeup type battery core and PCB protection boards；The outside of the PCB protection boards also coats one layer of waterproof gummed paper, and by waterproof
The PCB protection boards of gummed paper cladding are folded into the closedtop groove of lithium ion battery, and the heat shrinkage film coats takeup type battery core, bag completely
Cover the PCB protection boards of waterproof gummed paper and the closedtop groove of lithium ion battery.
2. the lithium ion battery with waterproof and dampproof function according to claim 1, it is characterised in that the PCB protections
The width of plate less than or equal to lithium ion battery closedtop groove width, and the closedtop groove of lithium ion battery width and takeup type
The thickness of battery core is equal.
3. the lithium ion battery with waterproof and dampproof function according to claim 1, it is characterised in that the PCB protections
The obverse and reverse of plate is coated with Waterproof glue line.
4. the lithium ion battery with waterproof and dampproof function according to claim 1, it is characterised in that the takeup type electricity
Core includes positive plate, negative plate, barrier film, anode ear and negative electrode lug, and the barrier film is located between positive plate and negative plate, and will just
Pole plate and negative plate separate；One end electric welding anode ear of the positive plate, one end electric welding negative electrode lug of the negative plate；It is described just
Lug and negative electrode lug are connected with the electric welding of PCB protection boards respectively；And exposed anode ear and negative electrode lug outside takeup type battery core
Corresponding site is coated with Waterproof glue line.
5. the lithium ion battery with waterproof and dampproof function according to claim 1, it is characterised in that the PCB protections
Also electric welding has the positive wire and cathode conductor with ft connection on plate, and the positive wire and cathode conductor are located in heat shrinkage film
The position in portion is coated with Waterproof glue line.
6. the lithium ion battery with waterproof and dampproof function according to claim 1, it is characterised in that the heat shrinkage film sets
There is the first pit for accommodating takeup type battery core, at least one passes through hot pressing in four angles position at the edge of first pit
Into fillet.
7. the lithium ion battery with waterproof and dampproof function according to claim 1, it is characterised in that the heat shrinkage film is
PVC heat shrinkage films.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621168679.6U CN206250305U (en) | 2016-11-02 | 2016-11-02 | Lithium ion battery with waterproof and dampproof function |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621168679.6U CN206250305U (en) | 2016-11-02 | 2016-11-02 | Lithium ion battery with waterproof and dampproof function |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206250305U true CN206250305U (en) | 2017-06-13 |
Family
ID=58996017
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201621168679.6U Expired - Fee Related CN206250305U (en) | 2016-11-02 | 2016-11-02 | Lithium ion battery with waterproof and dampproof function |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206250305U (en) |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108511757A (en) * | 2018-03-16 | 2018-09-07 | 深圳市前海星火同为科技有限公司 | A kind of lithium ion battery with moisture-proof crash structure |
| CN108879000A (en) * | 2018-06-29 | 2018-11-23 | 努比亚技术有限公司 | A kind of battery protecting plate, battery and mobile terminal |
| CN109935941A (en) * | 2019-03-22 | 2019-06-25 | 湖南科霸汽车动力电池有限责任公司 | Cylinder single battery component, battery modules and battery pack |
| CN111916583A (en) * | 2020-08-26 | 2020-11-10 | 深圳市神通天下科技有限公司 | Bluetooth headset battery |
| CN112635892A (en) * | 2019-10-07 | 2021-04-09 | 夏普株式会社 | Battery pack and electronic device |
| WO2023065193A1 (en) * | 2021-10-20 | 2023-04-27 | 宁德时代新能源科技股份有限公司 | Battery cell, battery, electrical device, and method and equipment for manufacturing battery cell |
-
2016
- 2016-11-02 CN CN201621168679.6U patent/CN206250305U/en not_active Expired - Fee Related
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108511757A (en) * | 2018-03-16 | 2018-09-07 | 深圳市前海星火同为科技有限公司 | A kind of lithium ion battery with moisture-proof crash structure |
| CN108879000A (en) * | 2018-06-29 | 2018-11-23 | 努比亚技术有限公司 | A kind of battery protecting plate, battery and mobile terminal |
| CN109935941A (en) * | 2019-03-22 | 2019-06-25 | 湖南科霸汽车动力电池有限责任公司 | Cylinder single battery component, battery modules and battery pack |
| CN112635892A (en) * | 2019-10-07 | 2021-04-09 | 夏普株式会社 | Battery pack and electronic device |
| CN111916583A (en) * | 2020-08-26 | 2020-11-10 | 深圳市神通天下科技有限公司 | Bluetooth headset battery |
| WO2023065193A1 (en) * | 2021-10-20 | 2023-04-27 | 宁德时代新能源科技股份有限公司 | Battery cell, battery, electrical device, and method and equipment for manufacturing battery cell |
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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: 20170613 Termination date: 20181102 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |