CN206541902U - A kind of lithium battery with anti-explosion mechanism - Google Patents
A kind of lithium battery with anti-explosion mechanism Download PDFInfo
- Publication number
- CN206541902U CN206541902U CN201720177603.8U CN201720177603U CN206541902U CN 206541902 U CN206541902 U CN 206541902U CN 201720177603 U CN201720177603 U CN 201720177603U CN 206541902 U CN206541902 U CN 206541902U
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- China
- Prior art keywords
- lithium battery
- explosion mechanism
- chamber
- movable
- cross bar
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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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Abstract
The utility model discloses a kind of lithium battery with anti-explosion mechanism, belong to technical field of lithium batteries, solve lithium battery poor safety performance in conventional art, row pressure effect is poor, the problem of service life is short, including housing, enclosure interior is provided with battery core working group, top is provided with top plate, top plate both sides are respectively equipped with positive terminal and negative terminal, anti-explosion mechanism is provided between positive terminal and negative terminal, anti-explosion mechanism includes fixation assembly, movable chamber is provided with above fixation assembly, multiple elastic bags being linked in sequence successively are provided with above movable chamber, provided with protection chamber above elastic bag, provided with movable assembly between fixation assembly and protection chamber.The utility model passes through heat-sink shell, reduce the temperature of lithium battery interior, avoid occurring short circuit, simultaneously gas is collected using anti-explosion mechanism, many receiving spaces are provided for gas, lithium battery interior is avoided to be exploded because gas increases, and anti-explosion mechanism further enhancing the security performance of lithium battery using the timely discharge gas of movable assembly.
Description
Technical field
The utility model is related to technical field of lithium batteries, specifically, more particularly to a kind of lithium electricity with anti-explosion mechanism
Pond.
Background technology
Lithium battery be a class by lithium metal or lithium alloy be negative material, using the battery of non-aqueous electrolytic solution, due to
The chemical characteristic of lithium metal is very active so that the processing of lithium metal, preserves, use, very high to environmental requirement, once lithium is electric
Pond is overcharged, mistake is put or receives hard hit, can discharge a large amount of gases and amount of heat, so that in the cell of sealed environment
Portion's gas expansion and temperature rise, can produce explosion accident when serious.And lithium battery in the market is mainly using indentation, increasing
If the modes such as pressure releasing hole carry out it is explosion-proof, when electrolyte is electrolysed under the high temperature conditions, when moment produces a large amount of gases, due to indentation
Free up Memory with pressure releasing hole is limited, causes gas not discharge fast and effeciently, and then gas breaks shell, explodes,
Cause personal safety as well as the property safety accident.
The content of the invention
The utility model discloses a kind of lithium battery with anti-explosion mechanism, for solving lithium battery safety in conventional art
Poor performance, the problem of row pressure effect is poor, service life is short.
The utility model is achieved through the following technical solutions：
A kind of lithium battery with anti-explosion mechanism, including housing, battery core working group, positive terminal, negative terminal, anti-explosion mechanism,
The enclosure interior is provided with battery core working group, and top is provided with top plate, and the top plate both sides are respectively equipped with positive terminal and negative terminal, institute
State and anti-explosion mechanism is provided between positive terminal and negative terminal, the anti-explosion mechanism includes fixation assembly, movable chamber, elastic bag, anti-
Protect to be provided with above chamber, movable assembly, the fixation assembly above movable chamber, the movable chamber and be linked in sequence successively provided with multiple
It is described provided with movable assembly between the fixation assembly and protection chamber provided with protection chamber above elastic bag, the elastic bag
Fixation assembly is included in the middle part of upper mounted plate, bottom plate, connection leather bag, fixed plate provided with elastic leather bag, and two ends pass through
Connection leather bag is connected with bottom plate, import is provided with the middle part of the bottom plate, the two ends of the elastic leather bag are provided with activity
Assembly, the movable assembly includes the first connecting pole, the second connecting pole, and first connecting pole, the second connecting pole are respectively arranged on
Parallel on the both sides of elastic leather bag, first connecting pole to be provided with the first cross bar, the second cross bar, first cross bar is located at protection
Intracavitary, and its top, provided with the first pin cone, middle part is provided with the first adjusting rod, second cross bar is in movable chamber, and it is pushed up
End is provided with the second adjusting rod provided with the second pin cone, middle part, and second connecting pole is fixedly connected with the 3rd cross bar, the 3rd cross bar
Top provided with the 3rd pin bore.
Heat-sink shell is provided between the housing and battery core working group.
The heat-sink shell is made of hydrogel.
Positive terminal and the negative pole column bottom is respectively equipped with the positive plate and negative plate matched.
The tip that the first pin cone and the second pin are bored is upward, and the tip of the 3rd pin cone is downward.
Compared with prior art, the beneficial effects of the utility model are：
1st, the utility model utilizes the fixation assembly and movable chamber in anti-explosion mechanism, the gas to being electrolysed generation under high temperature
It is collected, it is to avoid because producing gas, cause lithium battery interior pressure excessive, and then makes what li battery shell was damaged to ask
Topic, while providing multiple receiving spaces using multiple elastic bags and protection chamber for the gas produced, reduces gas generation
Pressure, so as to avoid lithium battery because gas pressure is excessive and the problem of explode, extends the service life of lithium battery, increase
The strong security performance of lithium battery；
2nd, the utility model is special using the chemistry of heat-sink shell by setting heat-sink shell between battery core working group and housing
Property, the heat that battery core working group produces is absorbed, so as to reduce lithium battery interior temperature, it is to avoid the barrier film of lithium battery interior
Melt because of high temperature；
3rd, the utility model is using movable assembly, at any time to fixation assembly, movable chamber, elastic bag and protection intracavitary
Gas is handled, it is to avoid in-house gas reaches the receiving limit, and situation about being damaged extends the use of anti-explosion mechanism
In the life-span, while setting first, second adjusting rod in movable assembly, reach that sweetly disposition accommodates the effect of gas, further lifting
The explosion-proof performance of lithium battery.
Brief description of the drawings
Fig. 1 is structural representation of the present utility model；
Fig. 2 is the structural representation of the utility model anti-explosion mechanism.
In figure：1st, housing；2nd, battery core working group；3rd, positive terminal；4th, negative terminal；5th, top plate；6th, movable chamber；7th, elastic gas
Capsule；8th, chamber is protected；9th, upper mounted plate；10th, bottom plate；11st, elastic leather bag；12nd, leather bag is connected；13rd, import；14th, first connects
Connect post；15th, the second connecting pole；16th, the first cross bar；17th, the second cross bar；18th, the first pin is bored；19th, the first adjusting rod；20th, second
Pin is bored；21st, the second adjusting rod；22nd, the 3rd cross bar；23rd, the 3rd pin is bored；24th, heat-sink shell；25th, positive plate；26th, negative plate.
Embodiment
The utility model is further illustrated below in conjunction with the accompanying drawings：
A kind of lithium battery with anti-explosion mechanism, including housing 1, battery core working group 2, positive terminal 3, negative terminal 4, blasting-proof machine
Structure, the inside of housing 1 is provided with battery core working group 2, and top is provided with top plate 5, and the both sides of top plate 5 are respectively equipped with the He of positive terminal 3
Negative terminal 4, is provided with anti-explosion mechanism between the positive terminal 3 and negative terminal 4, the anti-explosion mechanism includes fixation assembly, movable chamber
6th, movable chamber 6 is provided with above elastic bag 7, protection chamber 8, movable assembly, the fixation assembly, the top of movable chamber 6 is provided with
Multiple elastic bags 7 being linked in sequence successively, the top of elastic bag 7 is provided with protection chamber 8, the fixation assembly and protection chamber
Provided with movable assembly between 8, the fixation assembly includes upper mounted plate 9, bottom plate 10, elastic leather bag 11, connection leather bag 12,
The fixed middle part of plate 9 is provided with elastic leather bag 11, and two ends are connected by connecting leather bag 12 with bottom plate 10, described lower solid
The middle part of fixed board 10 is provided with import 13, and the two ends of the elastic leather bag 11 are provided with movable assembly, and the movable assembly includes first and connected
Post 14, the second connecting pole 15 are connect, first connecting pole 14, the second connecting pole 15 are respectively arranged on the both sides of elastic leather bag 11, institute
State it is parallel on the first connecting pole 14 be provided with the first cross bar 16, the second cross bar 17, first cross bar 16 in protection chamber 8, and
Its top is provided with the first pin cone 18, and middle part is provided with the first adjusting rod 19, and second cross bar 17 is in movable chamber 6, and it is pushed up
End is provided with the second pin cone 20, and middle part is provided with the second adjusting rod 21, and second connecting pole 15 is fixedly connected with the 3rd cross bar 22, described
The top of 3rd cross bar 22 is provided with the 3rd pin cone 23.
Heat-sink shell 24 is provided between the housing 1 and battery core working group 2.
The heat-sink shell 24 is made of hydrogel.
Positive terminal 3 and negative terminal 4 bottom is respectively equipped with the positive plate 25 and negative plate 26 matched.
The tip of the first pin cone 18 and the second pin cone 20 is upward, and the tip of the 3rd pin cone 23 is downward.
Utility model works principle：When situation about overcharging, because heat-sink shell 24 is made of hydrogel, therefore inhale
The heat that thermosphere 24 is produced to lithium battery interior absorbs, and reduces lithium battery interior temperature, it is to avoid barrier film, which melts, causes short circuit,
Lithium battery is carried out preliminary explosion-proof；When lithium battery interior electrolyte because high temperature occur electrolysis produce a large amount of gases when, gas by
Import 13 enters inside fixation assembly, and with the increase of gas volume, gas push upper mounted plate 9 is moved up, until elastic leather bag
11 are poked by the 3rd pin cone 23, and gas is quickly entered in movable chamber 6, while as gas increases again, gas push is located at bullet
Property the top of leather bag 11 the second adjusting rod 21 move up, so as to drive the second cross bar 17 to move up, until the second pin cone 20 pokes activity
The elastic leather bag 11 of the upper surface center of chamber 6, subsequent gas enters inside multiple elastic bags 7, when fixation assembly, movable chamber 6
And gas is each filled with multiple elastic bags 7, until when reaching the receiving limit, the first adjusting rod 19 is promoted on the first cross bar 16
Move, the first pin cone 18 pokes the elastic leather bag 11 of protection chamber 8 upper surface center, and gas is released, so as to improve lithium battery
Security performance.The utility model practical value is high, can be widely applied to technical field of lithium batteries.
In summary, preferred embodiment only of the present utility model, not implements for limiting the utility model
Scope, the equivalent change carried out by all shape, construction, feature and spirit according to described in the utility model right is with repairing
Decorations, all should be included in right of the present utility model.
Claims (5)
1. a kind of lithium battery with anti-explosion mechanism, including housing (1), battery core working group (2), positive terminal (3), negative terminal (4),
Battery core working group (2) is provided with inside anti-explosion mechanism, the housing (1), top is provided with top plate (5), top plate (5) the both sides difference
Provided with positive terminal (3) and negative terminal (4), anti-explosion mechanism is provided between the positive terminal (3) and negative terminal (4), it is characterised in that：
The anti-explosion mechanism includes fixation assembly, movable chamber (6), elastic bag (7), protection chamber (8), movable assembly, and the fixation is total
It is provided with into top above movable chamber (6), the movable chamber (6) and is provided with multiple elastic bags (7) being linked in sequence successively, the bullet
Property air bag (7) above provided with protection chamber (8), provided with activity assembly between the fixation assembly and protection chamber (8), the fixation is total
Into including upper mounted plate (9), bottom plate (10), elastic leather bag (11), connection leather bag (12), fixed plate (9) middle part
Provided with elastic leather bag (11), two ends are connected by connecting leather bag (12) with bottom plate (10), in the bottom plate (10)
Portion is provided with import (13), and the two ends of the elastic leather bag (11) are provided with movable assembly, and the movable assembly includes the first connecting pole
(14), the second connecting pole (15), first connecting pole (14), the second connecting pole (15) are respectively arranged on the two of elastic leather bag (11)
Parallel on side, first connecting pole (14) to be provided with the first cross bar (16), the second cross bar (17), first cross bar (16) is located at
Protect in chamber (8), and its top, provided with the first pin cone (18), middle part is provided with the first adjusting rod (19), second cross bar (17)
In movable chamber (6), and its top is provided with the second pin cone (20), and middle part is provided with the second adjusting rod (21), second connection
Post (15) is fixedly connected with the 3rd cross bar (22), and the top of the 3rd cross bar (22) is provided with the 3rd pin cone (23).
2. a kind of lithium battery with anti-explosion mechanism according to claim 1, it is characterised in that：The housing (1) and electricity
Heat-sink shell (24) is provided between core working group (2).
3. a kind of lithium battery with anti-explosion mechanism according to claim 2, it is characterised in that：The heat-sink shell (24) is adopted
It is made of hydrogel.
4. a kind of lithium battery with anti-explosion mechanism according to claim 1, it is characterised in that：The positive terminal (3) and
Negative terminal (4) bottom is respectively equipped with the positive plate (25) and negative plate (26) matched.
5. a kind of lithium battery with anti-explosion mechanism according to claim 1, it is characterised in that：First pin bores (18)
The tip for boring (20) with the second pin is upward, and the tip of the 3rd pin cone (23) is downward.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720177603.8U CN206541902U (en) | 2017-02-24 | 2017-02-24 | A kind of lithium battery with anti-explosion mechanism |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720177603.8U CN206541902U (en) | 2017-02-24 | 2017-02-24 | A kind of lithium battery with anti-explosion mechanism |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206541902U true CN206541902U (en) | 2017-10-03 |
Family
ID=59948866
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720177603.8U Expired - Fee Related CN206541902U (en) | 2017-02-24 | 2017-02-24 | A kind of lithium battery with anti-explosion mechanism |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206541902U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116613405A (en) * | 2023-06-02 | 2023-08-18 | 宁波邵金塑料制品有限公司 | Battery box |
-
2017
- 2017-02-24 CN CN201720177603.8U patent/CN206541902U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116613405A (en) * | 2023-06-02 | 2023-08-18 | 宁波邵金塑料制品有限公司 | Battery box |
| CN116613405B (en) * | 2023-06-02 | 2023-11-03 | 宁波邵金塑料制品有限公司 | Battery box |
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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 | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20171003 Termination date: 20200224 |