CN106299170B - The integrally formed explosion-proof roll-over valve on automobile lithium battery top cover - Google Patents
The integrally formed explosion-proof roll-over valve on automobile lithium battery top cover Download PDFInfo
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- CN106299170B CN106299170B CN201610619511.0A CN201610619511A CN106299170B CN 106299170 B CN106299170 B CN 106299170B CN 201610619511 A CN201610619511 A CN 201610619511A CN 106299170 B CN106299170 B CN 106299170B
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- over valve
- lithium battery
- roll
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- WHXSMMKQMYFTQS-UHFFFAOYSA-N Lithium Chemical compound [Li] WHXSMMKQMYFTQS-UHFFFAOYSA-N 0.000 title claims abstract description 32
- 229910052744 lithium Inorganic materials 0.000 title claims abstract description 32
- 238000002360 preparation method Methods 0.000 claims abstract description 10
- 239000007787 solid Substances 0.000 claims abstract description 4
- 238000004140 cleaning Methods 0.000 claims description 57
- 238000000137 annealing Methods 0.000 claims description 28
- 238000004806 packaging method and process Methods 0.000 claims description 18
- 239000000463 material Substances 0.000 claims description 10
- 210000003205 muscle Anatomy 0.000 claims description 10
- 238000007373 indentation Methods 0.000 claims description 9
- 238000001816 cooling Methods 0.000 claims description 6
- 230000001681 protective effect Effects 0.000 claims description 6
- 238000007493 shaping process Methods 0.000 claims description 6
- 238000000034 method Methods 0.000 claims description 5
- 230000006835 compression Effects 0.000 claims description 3
- 238000007906 compression Methods 0.000 claims description 3
- 238000012790 confirmation Methods 0.000 claims description 3
- 238000001514 detection method Methods 0.000 claims description 3
- 239000004615 ingredient Substances 0.000 claims description 3
- 230000008569 process Effects 0.000 claims description 3
- 230000007704 transition Effects 0.000 claims description 3
- 238000010792 warming Methods 0.000 claims description 3
- 238000005406 washing Methods 0.000 claims description 3
- 230000002459 sustained effect Effects 0.000 claims 2
- 230000008901 benefit Effects 0.000 abstract description 2
- 238000000748 compression moulding Methods 0.000 abstract description 2
- 238000003466 welding Methods 0.000 abstract description 2
- 238000004519 manufacturing process Methods 0.000 description 4
- RSWGJHLUYNHPMX-UHFFFAOYSA-N Abietic-Saeure Natural products C12CCC(C(C)C)=CC2=CCC2C1(C)CCCC2(C)C(O)=O RSWGJHLUYNHPMX-UHFFFAOYSA-N 0.000 description 1
- HBBGRARXTFLTSG-UHFFFAOYSA-N Lithium ion Chemical compound [Li+] HBBGRARXTFLTSG-UHFFFAOYSA-N 0.000 description 1
- KHPCPRHQVVSZAH-HUOMCSJISA-N Rosin Natural products O(C/C=C/c1ccccc1)[C@H]1[C@H](O)[C@@H](O)[C@@H](O)[C@@H](CO)O1 KHPCPRHQVVSZAH-HUOMCSJISA-N 0.000 description 1
- 230000004308 accommodation Effects 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 238000007796 conventional method Methods 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000009510 drug design Methods 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 230000002708 enhancing effect Effects 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 238000013467 fragmentation Methods 0.000 description 1
- 238000006062 fragmentation reaction Methods 0.000 description 1
- 229910001416 lithium ion Inorganic materials 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000002994 raw material Substances 0.000 description 1
- KHPCPRHQVVSZAH-UHFFFAOYSA-N trans-cinnamyl beta-D-glucopyranoside Natural products OC1C(O)C(O)C(CO)OC1OCC=CC1=CC=CC=C1 KHPCPRHQVVSZAH-UHFFFAOYSA-N 0.000 description 1
- 230000007306 turnover Effects 0.000 description 1
Classifications
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M50/00—Constructional details or processes of manufacture of the non-active parts of electrochemical cells other than fuel cells, e.g. hybrid cells
- H01M50/10—Primary casings; Jackets or wrappings
- H01M50/147—Lids or covers
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M50/00—Constructional details or processes of manufacture of the non-active parts of electrochemical cells other than fuel cells, e.g. hybrid cells
- H01M50/30—Arrangements for facilitating escape of gases
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M50/00—Constructional details or processes of manufacture of the non-active parts of electrochemical cells other than fuel cells, e.g. hybrid cells
- H01M50/30—Arrangements for facilitating escape of gases
- H01M50/375—Vent means sensitive to or responsive to temperature
-
- 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
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Electrochemistry (AREA)
- General Chemical & Material Sciences (AREA)
- Sealing Battery Cases Or Jackets (AREA)
Abstract
The explosion-proof roll-over valve and preparation method thereof that the invention discloses a kind of on automobile lithium battery top cover, which is characterized in that roll-over valve integrally makes forming together with lithium battery top cap.The roll-over valve is rounded, including intermediate lands, and circular protrusion surrounding surround and have the groove of beading solid, is connected obliquely from the bottom of intermediate lands to circular high spot in groove-like, interconnecting piece thickness is thinner further away from intermediate lands.The present invention has the advantages that the compression moulding together of explosion-proof roll-over valve and lithium battery top cap, eliminates welding the step, so as to avoid roll-over valve burn through or the unwelded safety problem for securely etc. bringing product.
Description
Technical field
The present invention relates to field of lithium ion battery, more specifically, it be related on automobile lithium battery top cover integrally at
The explosion-proof roll-over valve of type.
Background technique
With the development of modern society and the enhancing of people's environmental consciousness, more and more equipment selections are with chargeable two
Primary cell is also widelyd popularize as power supply, electric car.Electric car needs the power battery of large capacity as power supply, and
These power batteries should also have good safety other than with high capacity.
Automobile lithium battery overcharges safety guard and mainly uses explosion-proof roll-over valve currently on the market, which is
Independent production, further along explosion-proof overturning valve periphery by being laser-welded on automobile lithium battery top cover.This just gives explosion-proof roll-over valve
It is laser-welded on automobile lithium battery top cover and proposes high requirement, there can be no rosin joint, weld interval will be controlled in place, be into
The secondary cleaning protection of row, to cause the explosion-proof roll-over valve much scrapped occur in production, and safety is also declined.
Summary of the invention
The present invention overcomes the deficiencies in the prior art, provide a kind of for integrally formed anti-on automobile lithium battery top cover
Quick-fried roll-over valve, explosion-proof roll-over valve and lithium battery top cap compression moulding together, eliminate welding the step, so as to avoid turning over
Rotary valve burn through or it is unwelded securely etc. brings product safety problem.
Technical scheme is as follows:
One kind is for integrally formed explosion-proof roll-over valve on automobile lithium battery top cover, which is characterized in that roll-over valve is integrally same
Lithium battery top cap makes forming together, and the roll-over valve is rounded, intermediate lands, and the circular protruding ring of surrounding is around being highly slightly above
Intermediate lands, the bottom of intermediate lands connect the connection muscle portion in groove-like to circular high spot obliquely, and connection muscle portion is thick
It spends thinner further away from intermediate lands；The circular protrusion is ladder-like in one, and outer side steps top and bottom include one through beading
The trapezoidal groove of solid, inside bottom surface have the small bulge loop of close inner edge.
A kind of preparation method for integrally formed explosion-proof roll-over valve on automobile lithium battery top cover, specifically include as
Lower step:
1. top and bottom shape: the flat cuboid lithium battery top cap of monolith being carried out preliminary swaging, centre indentation diameter is
The circle of 19.5mm about 0.7mm thickness, material outstanding press to intermediate lands and the circular protrusion of surrounding；
2. groove internal shaping little groove: it is thick to be pressed into the circle about 0.45mm that diameter is 15mm on 1. groove that step is shaped
Degree, then in the semicircle of middle indentation 0.4mm diameter, the material of compression all presses to intermediate lands and the circular protrusion of surrounding；
3. beading shapes: each beading of upper and lower surface on 2. big groove side that step shapes being gone out a trapezoidal groove, and right
Connection muscle portion press carefully, and material will squeeze out a small circle ring outstanding to little groove edge；
4. shaping: 3. explosion-proof roll-over valve that step is shaped carries out further finishing and flattens, and flattens intermediate lands and other
Tiny male and fomale(M&F)；
5. Cleaning of Parts: 4. explosion-proof roll-over valve that step is shaped is annealed, obtains product after cleaning treatment.
Further, 3. middle trapezoidal groove, trapezoidal groove base length are 1.2mm to step described in preparation method, are pressed into face
Length is 0.2mm, is highly 0.6mm, and trapezoidal groove both sides are in 80 ° of angles.
Further, 4. intermediate lands, upper and lower disc diameter are all 4mm, boss transition zone circle to step described in preparation method
Angular radius is 0.3mm.
Further, 5. middle annealing includes the following steps: the step of preparation method
1. checking before operation: confirmation major ingredient state, for heat protective gloves without breakage, machine is intact normal, cleans annealing basket and turns
Connect basket；
2. product annealing prepares: integrally formed explosion-proof roll-over valve being poured into annealing basket, sieves annealing basket, tile product；
3. product is annealed: machine operation being warming up to set temperature, and is remained operational 10 minutes, observation temperature detection table is
It is no normal, when normal, wear heat protective gloves, by step, 2. ready annealing basket is put into machine rapidly, opening air blast, when
Control, alarm switch；
4. product is cooling: 3. middle alarm sounds waiting step, and closing machine takes out rapidly annealing basket and places cooling zone branch
It is cooled down on frame；
5. product packaging: step 4. in product from annealing basket pour into switching basket, staff wears fingerstall and again fills product
Enter in polybag, and terminates annealing after being placed into work area.
Further, making annealing treatment the step, 3. middle set temperature is between 360 DEG C to 400 DEG C.
Further, making annealing treatment the step, 3. middle every layer of machine can place 2 baskets, primary most 8 baskets.
Further, 5. middle cleaning treatment includes the following steps: the step of preparation method
1. shifting product: cleaning personnel will go to workbench to be cleaned from area to be washed with batch products；
2. product cleaning prepares: step 1. in product uniformly poured into as unit of wrapping in cleaning frame, each of frame is clear
Washing basket can only be put into one and contract for fixed output quotas product, and rocking cleaning basket is uniformly distributed product；
3. product cleans: the cleaning frame of step 2. is put into cleaning machine charging sliding rail, and clicking " start button " makes to clean frame certainly
It is dynamic to enter cleaning machine, carry out automatic cleaning process；
4. product packaging: step cleans frame after 3. cleaning and is put into cleaning platform, product is poured into plastic packaging bag, and do
Good mark；
5. product is stored: the plastic packaging bag of step 4. is put into green box, and cleaning treatment terminates after being transferred to cleaning area.
Further, cleaning treatment step 2. in each cleaning frame at most stack 4 cleaning baskets.
Further, 4. middle plastic packaging bag must use new plastic packaging bag encapsulating products to cleaning treatment step, and clean front and back mark
Label must be consistent.
Advantage is the present invention compared with prior art: the present invention has rational design, easy to make, and production cost is low, and product closes
Lattice rate improves, and industrial automation is high at degree, and production speed is fast, and quality is easy to control.The valve pressure of the accurate control lithium battery of energy,
When inner pressure of battery moment being more than certain value, spool can it is automatic on collapse, prevent lithium electricity case fragmentation.
Detailed description of the invention
Fig. 1 is a kind of structural schematic diagram of explosion-proof roll-over valve integrally formed on automobile lithium battery top cover of the present invention；
Fig. 2 is a kind of top view of explosion-proof roll-over valve integrally formed on automobile lithium battery top cover of the present invention.
Specific embodiment
Below by specific embodiment, and in conjunction with attached drawing, technical scheme of the present invention will be further explained in detail.It answers
Work as understanding, implementation of the invention is not limited by the following examples, and the accommodation in any form done to the present invention or changed
Change falls within the scope of the present invention.
In the present invention, if not refering in particular to, used equipment and raw material etc. are commercially available or commonly used in the art
's.Method in following embodiments is unless otherwise instructed the conventional method of this field.
As depicted in figs. 1 and 2, a kind of for integrally formed explosion-proof roll-over valve on automobile lithium battery top cover, feature exists
In roll-over valve integrally makes forming with lithium battery top cap together, and the roll-over valve is rounded, intermediate lands 1, and surrounding is circular convex
It plays 2 and is slightly above intermediate lands around height, the bottom of intermediate lands connects the company in groove-like to circular high spot obliquely
Muscle portion 3 is connect, connection 3 thickness of muscle portion is thinner further away from intermediate lands；The circular protrusion 2 is in ladder-like, an outer side steps
Top and bottom respectively include the trapezoidal groove 4 through beading solid, and inside bottom surface has the small bulge loop 5 of close inner edge.
Embodiment 1:
A kind of preparation method of explosion-proof roll-over valve integrally formed on automobile lithium battery top cover, specifically includes as follows
Step:
1. top and bottom shape: the flat cuboid lithium battery top cap of monolith being carried out preliminary swaging, centre indentation diameter is
The circle of 19.5mm about 0.7mm thickness, material outstanding press to the annular shape protrusion 2 of intermediate lands 1 and surrounding.Obtain explosion-proof turn over
Rotary valve substantially pattern.
2. groove internal shaping little groove: being pressed into the circle that diameter is 15mm on 1. groove that step is shaped, about 0.45mm is pushed away
Into thickness, then in the semicircle of middle indentation 0.4mm diameter, the material of compression all presses to the annular shape of intermediate lands 1 and surrounding
Protrusion 2, so that explosion-proof roll-over valve pattern is more preferable.The semicircle of the 0.4mm diameter of middle indentation can make middle circle Tai Gengping.
3. beading shapes: each beading of upper and lower surface on 2. groove side that step shapes being gone out a trapezoidal groove 4, and to even
It connects muscle portion 3 press carefully, material will squeeze out a small bulge loop 5 outstanding to little groove edge.Wherein trapezoidal groove 4, it is trapezoidal recessed
Land length is 1.2mm, and it is highly 0.6mm that indentation face length, which is 0.2mm, and 4 both sides of trapezoidal groove are in 80 ° of angles, this is trapezoidal
The integrally provided pressure-pad-force of groove 4 can allow connection muscle portion 3 and the flowing of 5 material of small bulge loop fuller.
4. shaping: 3. explosion-proof roll-over valve that step is shaped carries out further finishing and flattens, and flattens intermediate lands and other
Tiny male and fomale(M&F).It is all 4mm that intermediate lands, which reach disc diameter up and down, and rotary table transition zone radius of corner is 0.3mm.
5. Cleaning of Parts: 4. explosion-proof roll-over valve that step is shaped is annealed, obtains product after cleaning treatment.
The step of preparation method, 5. middle annealing included the following steps:
1. checking before operation: confirmation major ingredient state, for heat protective gloves without breakage, machine is intact normal, cleans annealing basket and turns
Connect basket.
2. product annealing prepares: integrally formed explosion-proof roll-over valve being poured into annealing basket, sieves annealing basket, tile product.
3. product is annealed: machine operation being warming up to set temperature, set temperature is between 360 DEG C to 400 DEG C, and keeps
Operation 10 minutes, whether observation temperature detection table is normal, when normal, wears heat protective gloves, moves back step is 2. ready rapidly
Fire basket is put into machine, and every layer of machine can place 2 baskets, and primary most 8 baskets open air blast, time control, alarm switch.
4. product is cooling: 3. middle alarm sounds waiting step, and closing machine takes out rapidly annealing basket and places cooling zone branch
It is cooled down on frame；
5. product packaging: step 4. in product from annealing basket pour into switching basket, staff wears fingerstall and again fills product
Enter in polybag, and terminates annealing after being placed into work area.
The step of preparation method, 5. middle cleaning treatment included the following steps:
1. shifting product: cleaning personnel will go to workbench to be cleaned from area to be washed with batch products.
2. product cleaning prepares: step 1. in product uniformly poured into as unit of wrapping in cleaning frame, each of frame is clear
Washing basket can only be put into one and contract for fixed output quotas product, and rocking cleaning basket is uniformly distributed product.Notice that each cleaning frame at most stacks 4 cleanings
Basket.
3. product cleans: the cleaning frame of step 2. is put into cleaning machine charging sliding rail, and clicking " start button " makes to clean frame certainly
It is dynamic to enter cleaning machine, carry out automatic cleaning process；
4. product packaging: step cleans frame after 3. cleaning and is put into cleaning platform, product is poured into plastic packaging bag, and do
Good mark；Wherein plastic packaging bag must use new plastic packaging bag encapsulating products, and cleaning front and back label must be consistent.
5. product is stored: the plastic packaging bag of step 4. is put into green box, and cleaning treatment terminates after being transferred to cleaning area.
Above-mentioned embodiment is only a preferred solution of the present invention, not the present invention is made in any form
Limitation, there are also other variations and modifications on the premise of not exceeding the technical scheme recorded in the claims.
Claims (7)
1. one kind is for integrally formed explosion-proof roll-over valve on automobile lithium battery top cover, which is characterized in that the whole same lithium of roll-over valve
Battery cap makes forming together, and the roll-over valve is rounded, intermediate lands, and the circular protrusion of surrounding is in sustained height, and
The circular protruding ring of surrounding is slightly above intermediate lands around height, and the bottom of intermediate lands connects obliquely to circular high spot is in
The connection muscle portion of groove-like, connection muscle portion thickness are thinner further away from intermediate lands；The circular protrusion is ladder-like in one, outside
Side steps top and bottom include the trapezoidal groove through beading solid, and inside bottom surface has the small bulge loop of close inner edge, small bulge loop
In sustained height；Preparation method specifically comprises the following steps:
101) top and bottom shape: the flat cuboid lithium battery top cap of monolith being carried out preliminary swaging, centre indentation diameter is
The circle of 18.05mm about 0.6mm thickness, material outstanding press to intermediate lands and the circular protrusion of surrounding；
102) it is thick that the circle about 0.6mm that diameter is 17.05mm groove internal shaping little groove: is pressed on 1. groove that step is shaped
Degree, then in the semicircle of middle indentation 1mm diameter, the material of compression all presses to intermediate lands and the circular protrusion of surrounding；
103) beading shapes: each beading of upper and lower surface on the big groove side of step 102) forming being gone out a trapezoidal groove, and right
Connection muscle portion press carefully, and material will squeeze out a small circle ring outstanding to little groove edge；Wherein trapezoidal groove, trapezoidal groove
Base length is 0.24mm, and it is highly 0.12mm that indentation face length, which is 0.04mm, and 4 both sides of trapezoidal groove are in 80 ° of angles；
104) shaping: the explosion-proof roll-over valve of step 103) forming is subjected to further finishing and is flattened, intermediate lands and other are flattened
Tiny male and fomale(M&F)；Wherein intermediate lands, upper and lower disc diameter are all 4mm, and boss transition zone radius of corner is 0.3mm；
105) Cleaning of Parts: the explosion-proof roll-over valve that step 104) shapes is annealed, obtains product after cleaning treatment.
2. according to claim 1 a kind of for integrally formed explosion-proof roll-over valve on automobile lithium battery top cover, feature
Be: annealing includes the following steps: in step 105)
201) check before operation: confirmation major ingredient state, heat protective gloves is lossless, and machine is intact normal, cleaning annealing basket and switching basket；
202) product annealing prepares: integrally formed explosion-proof roll-over valve being poured into annealing basket, sieves annealing basket, tile product；
203) product is annealed: machine operation being warming up to set temperature, and is remained operational 10 minutes, whether observation temperature detection table
Normally, when normal, wear heat protective gloves, the ready annealing basket of step 202) be put into machine rapidly, open air blast, when
Control, alarm switch；
204) product is cooling: waiting step 203) in alarm sound, closing machine takes out rapidly annealing basket and places cooling zone branch
It is cooled down on frame；
205) product packaging: the product in step 204) pours into switching basket from annealing basket, and staff wears fingerstall and again fills product
Enter in polybag, and terminates annealing after being placed into work area.
3. according to claim 2 a kind of for integrally formed explosion-proof roll-over valve on automobile lithium battery top cover, feature
Be: set temperature is between 360 DEG C to 400 DEG C in step 203).
4. according to claim 2 a kind of for integrally formed explosion-proof roll-over valve on automobile lithium battery top cover, feature
Be: every layer of machine can place 2 baskets in step 203), primary most 8 baskets.
5. according to claim 1 a kind of for integrally formed explosion-proof roll-over valve on automobile lithium battery top cover, feature
Be: cleaning treatment includes the following steps: in step 105)
301) shift product: cleaning personnel will go to workbench to be cleaned from area to be washed with batch products；
302) product cleaning prepares: the product in step 301) is uniformly poured into as unit of wrapping in cleaning frame, and each of frame is clear
Washing basket can only be put into one and contract for fixed output quotas product, and rocking cleaning basket is uniformly distributed product；
303) product cleans: the cleaning frame of step 302) is put into cleaning machine charging sliding rail, and clicking " start button " makes to clean frame certainly
It is dynamic to enter cleaning machine, carry out automatic cleaning process；
304) product packaging: step 303) cleans frame after cleaning and is put into cleaning platform, product is poured into plastic packaging bag, and do
Good mark；
305) product is stored: the plastic packaging bag of step 304) is put into green box, and cleaning treatment terminates after being transferred to cleaning area.
6. according to claim 5 a kind of for integrally formed explosion-proof roll-over valve on automobile lithium battery top cover, feature
Be: each cleaning frame at most stacks 4 cleaning baskets in step 302).
7. according to claim 5 a kind of for integrally formed explosion-proof roll-over valve on automobile lithium battery top cover, feature
Be: plastic packaging bag must use new plastic packaging bag encapsulating products in step 304), and cleaning front and back label must be consistent.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610619511.0A CN106299170B (en) | 2016-07-28 | 2016-07-28 | The integrally formed explosion-proof roll-over valve on automobile lithium battery top cover |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610619511.0A CN106299170B (en) | 2016-07-28 | 2016-07-28 | The integrally formed explosion-proof roll-over valve on automobile lithium battery top cover |
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| Publication Number | Publication Date |
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| CN106299170A CN106299170A (en) | 2017-01-04 |
| CN106299170B true CN106299170B (en) | 2019-02-01 |
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Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| TW428339B (en) * | 1998-03-20 | 2001-04-01 | Miyama Tool Kk | Sealing plate of airtight battery and its fabricating method |
| CN101304078A (en) * | 2007-05-09 | 2008-11-12 | 深圳市比克电池有限公司 | Explosion-proof battery |
| CN201608212U (en) * | 2009-11-10 | 2010-10-13 | 东莞新能源科技有限公司 | Battery combination cover cap |
| CN203631651U (en) * | 2013-10-18 | 2014-06-04 | 比克国际(天津)有限公司 | Current cut-off device and aluminum-shell lithium ion battery with same |
| CN204614848U (en) * | 2015-05-11 | 2015-09-02 | 宁德时代新能源科技有限公司 | Lithium ion battery external short circuit jockey |
| CN105655537A (en) * | 2016-03-24 | 2016-06-08 | 深圳市瑞德丰精密制造有限公司 | Burst and power-off protection structure for battery |
-
2016
- 2016-07-28 CN CN201610619511.0A patent/CN106299170B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| TW428339B (en) * | 1998-03-20 | 2001-04-01 | Miyama Tool Kk | Sealing plate of airtight battery and its fabricating method |
| CN101304078A (en) * | 2007-05-09 | 2008-11-12 | 深圳市比克电池有限公司 | Explosion-proof battery |
| CN201608212U (en) * | 2009-11-10 | 2010-10-13 | 东莞新能源科技有限公司 | Battery combination cover cap |
| CN203631651U (en) * | 2013-10-18 | 2014-06-04 | 比克国际(天津)有限公司 | Current cut-off device and aluminum-shell lithium ion battery with same |
| CN204614848U (en) * | 2015-05-11 | 2015-09-02 | 宁德时代新能源科技有限公司 | Lithium ion battery external short circuit jockey |
| CN105655537A (en) * | 2016-03-24 | 2016-06-08 | 深圳市瑞德丰精密制造有限公司 | Burst and power-off protection structure for battery |
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| Publication number | Publication date |
|---|---|
| CN106299170A (en) | 2017-01-04 |
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