CN207409576U - A kind of explosion-protection equipment of lithium battery and the lithium battery with the explosion-protection equipment - Google Patents
A kind of explosion-protection equipment of lithium battery and the lithium battery with the explosion-protection equipment Download PDFInfo
- Publication number
- CN207409576U CN207409576U CN201721571438.0U CN201721571438U CN207409576U CN 207409576 U CN207409576 U CN 207409576U CN 201721571438 U CN201721571438 U CN 201721571438U CN 207409576 U CN207409576 U CN 207409576U
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- Prior art keywords
- hole
- explosion
- lithium battery
- baffle
- substrate
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- Gas Exhaust Devices For Batteries (AREA)
- Battery Mounting, Suspending (AREA)
Abstract
The utility model discloses a kind of explosion-protection equipment of lithium battery, including substrate and the anti-explosion mechanism being arranged on substrate；Anti-explosion mechanism including relief hole, baffle, air admission hole, connecting hole, extruded hole and squeezes balloon, and the substrate offers air admission hole in baffle both sides, and the connecting hole offers extruded hole close to baffle one side, and the extruding balloon is installed in lower installation set；The invention also discloses a kind of lithium battery, the explosion-protection equipment including lithium battery and lithium battery, the lithium battery is interfixed with substrate by screw.The setting that the explosion-protection equipment of the utility model passes through balloon, baffle is coordinated to realize the opening and closing to relief hole, so as to carry out explosion-proof relief, can be used for multiple times, and balloon belongs to flexible structure, fretting wear will not occur, so as to not interfere with air-tightness, highly promote, the lithium battery of this explosion-protection equipment is installed, promotion explosion-proof performance that can be more preferably more stable, it is largely effective.
Description
Technical field
The utility model is related to technical field of lithium batteries, are specially a kind of explosion-protection equipment of lithium battery and have the explosion-proof dress
The lithium battery put.
Background technology
Lithium-ion electric core is the storing up electricity component of lithium battery, when in use, can be because of battery charger failure and too rechargeable etc.
Factor and with inside battery chemically react and generate abnormal gas, cause cell internal pressure excessive, it is quick-fried so as to which battery occur
Fried accident, consequence gently then damage equipment, heavy then injure user.Therefore, when cell internal pressure is excessive, to prevent battery
Explosion, must be by the gas leak in battery, and safeguard procedures are typically that protective device is set on battery cover.
In the prior art, a kind of dynamic lithium battery safety anti-explosive cover board of Application No. " 201710360653.4 ", bag
The explosion-proof valve for offering the cover board substrate of explosionproof hole and being installed through in explosionproof hole is included, when inside battery air pressure is excessively high,
Explosion-proof rupture of diaphragm, gas are entered in explosion-proof valve, are washed diaphragm seal open and are carried out pressure release；Application No. " 201020282536.4 "
A kind of ball-type safety valve with power lithium batteries including valve deck, valve body, spring, ball valve and sealing ring, pushes away ball valve by air pressure
It is dynamic, the release of waste exhaust gases is carried out, to have the function that prevent explosion.
In above-mentioned two application documents, can explosive-proof protector be carried out to lithium battery very well, but it still has more
The defects of apparent：1st, the use of explosion-proof diaphragm is disposable, when diaphragm is broken through by the gases at high pressure of inside battery, in battery
Although portion can obtain air pressure release, just need to carry out the replacement of rupture pressure disc, bother very much and cost is higher；2nd, using ball
Valve carries out exhaust gas pressure release, although can be used for multiple times, since ball valve can be repeatedly with occurring touching friction, for a long time at cooperation
Use ball valve can be caused in itself to wear, when the degree of wear is excessively high, then air-tightness can be caused to reduce, influence battery performance.
Utility model content
A kind of explosion-protection equipment the purpose of this utility model is to provide lithium battery and the lithium battery with the explosion-protection equipment,
To solve the problems mentioned in the above background technology.
To achieve the above object, the utility model provides following technical solution：
A kind of explosion-protection equipment of lithium battery, including substrate and the anti-explosion mechanism being arranged on substrate；
Anti-explosion mechanism including relief hole, baffle, air admission hole, connecting hole, extruded hole and squeezes balloon, the relief hole
Perforation is opened in substrate, and the baffle plate setting is flexibly connected in relief hole one side and with substrate, and the baffle is close to relief hole
One side is connected with spring, and the spring is connected with installing plate away from baffle one end, and the installing plate is fixed on relief hole madial wall
On, and perforation offers stomata on installing plate；
The substrate offers air admission hole, the air admission hole and connecting hole through connection, the connection in baffle both sides
Hole offers extruded hole close to baffle one side, and the extruded hole is flexibly connected away from connecting hole one end with baffle, the extruded hole
Lower installation set is fixed with close to connecting hole one end, the extruding balloon is installed in lower installation set.
Preferably, the baffle at substrate connection with being provided with sealant.
Preferably, the connecting hole offers explosive hole away from baffle one side, and the explosive hole is consolidated close to connecting hole one end
Surely there is upper installation set, explosion bubble is installed in the upper installation set, the explosive hole is fixed with cross bar away from connecting hole one end,
The cross bar is fixed with syringe needle close to upper installation set one side.
Preferably, positive terminal and negative terminal are inserted in the substrate.
Preferably, perforation offers liquid injection hole in the substrate, and cap liner is movably set in the liquid injection hole.
A kind of lithium battery, the explosion-protection equipment including lithium battery and lithium battery, the lithium battery and substrate are mutual by screw
It is fixed.
Compared with prior art, the beneficial effects of the utility model are：
Cover board of the substrate of the utility model as lithium battery, the explosion-protection equipment in substrate carry out relief hole by baffle
Sealing, when the air pressure of lithium battery interior is excessively high, exhaust gas can enter connecting hole from air admission hole, and extruded hole is entered from connecting hole
In, exhaust gas enters extruding balloon, will squeeze balloon and fills up, then squeezes balloon and carry out baffle jack-up so that lithium battery interior
It can be connected by relief hole with ambient atmosphere, realize the effect of pressure release.
Explosion bubble is provided in the explosive hole opened up above the connecting hole of the utility model, when lithium battery interior air pressure
When big, when only baffle jack-up can not be depressured well to carry out pressure release by squeezing balloon, explosion bubble can also be given up at this time
Gas fills up, and after explosion bubble is filled up, when can touch syringe needle, balloon can explode so that connecting hole passes through explosive hole
It is directly connected with ambient atmosphere, carries out acceleration pressure release.
The explosion-protection equipment of the utility model realizes the opening and closing to relief hole by the setting of balloon, cooperation baffle,
So as to carry out explosion-proof relief, can be used for multiple times, and balloon belongs to flexible structure, and fretting wear will not occur, thus will not shadow
Air-tightness is rung, highly promotes, the lithium battery of this explosion-protection equipment is installed, promotion explosion-proof performance that can be more preferably more stable,
It is largely effective.
Description of the drawings
Fig. 1 is the board structure schematic diagram of the utility model；
Fig. 2 is the A plot structure enlarged diagrams of the utility model；
Fig. 3 is view when the extruding balloon of the utility model jacks up baffle；
Fig. 4 is view when the explosion bubble of the utility model touches syringe needle.
In figure：1 substrate, 2 relief holes, 3 baffles, 4 springs, 5 installing plates, 51 stomatas, 6 air admission holes, 7 connecting holes, 8 squeeze
Hole, 9 times installation sets, 10 squeeze balloons, 11 explosive holes, installation set, 13 explosion bubbles, 14 cross bars, 15 syringe needles, 16 positive wiring on 12
Column, 17 negative terminals, 18 liquid injection holes, 19 cap liners, 20 screws, 100 lithium batteries.
Specific embodiment
The following is a combination of the drawings in the embodiments of the present utility model, and the technical scheme in the embodiment of the utility model is carried out
It clearly and completely describes, it is clear that the described embodiments are only a part of the embodiments of the utility model rather than whole
Embodiment.Based on the embodiment in the utility model, those of ordinary skill in the art are without making creative work
All other embodiments obtained shall fall within the protection scope of the present invention.
- 4 are please referred to Fig.1, the utility model provides a kind of technical solution：
A kind of explosion-protection equipment of lithium battery, including substrate 1 and the anti-explosion mechanism being arranged on substrate 1, substrate 1 is as lid
Plate, for being protected to lithium battery 100, anti-explosion mechanism be used for pressure release, prevent 100 air pressure inside of lithium battery it is excessive cause it is quick-fried
It is fried.
Anti-explosion mechanism including relief hole 2, baffle 3, air admission hole 6, connecting hole 7, extruded hole 8 and squeezes balloon 10, pressure release
The perforation of hole 2 is opened in substrate 1, and relief hole 2 is used for connecting inside battery and air, baffle 3 be arranged at 2 one side of relief hole and with
Substrate 1 is flexibly connected, and baffle 3 blocks relief hole 2 completely, and baffle 3 is provided with sealant with 1 junction of substrate, and sealant is adopted
With rubber material, it can preferably ensure airtight closure of the baffle 3 to relief hole 2, baffle 3 is connected with close to 2 one side of relief hole
Spring 4, spring 4 are connected with installing plate 5 away from 3 one end of baffle, and installing plate 5 is fixed on 2 madial wall of relief hole, and installing plate 5
Upper perforation offers stomata 51 so that only when baffle 3 is jacked up, inside battery can just be connected with relief hole 2, and pass through gas
Hole 51 carries out gas exchanges with air, and the setting of spring 4 preferably can carry out reset control to baffle 3, also function to baffle
3 tensioning function improves air-tightness.
Substrate 1 offers air admission hole 6 in 3 both sides of baffle, and air admission hole 6 is vertically arranged, and air admission hole 6 is penetrated through with connecting hole 7
Connection, connecting hole 7 is horizontally disposed, and exhaust gas enters from air admission hole 6 and flows to inside connecting hole 7, and connecting hole 7 is close to baffle 3 one
Side offers extruded hole 8, and connecting hole 7 is connected with extruded hole 8, and extruded hole 8 is also in being vertically arranged, and extruded hole 8 is away from connecting hole 7 one
End is flexibly connected with baffle 3 so that extruded hole 8 is contacted with baffle 3, and extruded hole 8 is fixed with lower installation set close to 7 one end of connecting hole
9, it squeezes balloon 10 and is installed in lower installation set 9, when the exhaust gas of connecting hole 7 is entered in extruded hole 8, exhaust gas fills up extruding gas
Ball 10 squeezes balloon 10 and slowly becomes larger in extruded hole 8, until baffle 3 is jacked up, realizes pressure release connection, carries out exhaust gas release.
As one preferably, connecting hole 7 offers explosive hole 11 away from 3 one side of baffle, and explosive hole 11 is close to connecting hole 7 one
End is fixed with installation set 12, explosion bubble 13 is equipped in upper installation set 12, explosive hole 11 is fixed with away from 7 one end of connecting hole
Cross bar 14, cross bar 14 are fixed with syringe needle 15 close to upper 12 one side of installation set, are provided in the explosive hole 11 that 7 top of connecting hole opens up
Explosion bubble 13, when 100 air pressure inside of lithium battery is excessive, only by squeeze balloon 10 by baffle 3 jack up carry out pressure release without
When method is depressured well, explosion bubble 13 can also be filled up at this time by exhaust gas, after explosion bubble 13 is filled up, can touch syringe needle
When 15, explosion bubble 13 can explode so that connecting hole 7 is directly connected by explosive hole 11 with ambient atmosphere, is carried out
Accelerate pressure release.
And to ensure that upper installation set 12 and the distance of syringe needle 15 are more than lower installation set 9 and the distance of baffle 3 so that need
During pressure release, it is to squeeze balloon 10 to touch the progress pressure release of baffle 3 first, when air pressure is excessive, just can touches explosion bubble 13
To syringe needle 15, rapidly pressure release is carried out.
A kind of lithium battery, the explosion-protection equipment including lithium battery 100 and the utility model, lithium battery 100 pass through spiral shell with substrate 1
Nail 20 interfixes, and substrate 1 is installed on lithium battery 100.
Positive terminal 16 and negative terminal 17 are inserted in substrate 1, for the positive and negative electrode inside lithium battery 100 successively
It connects, is penetrated through in substrate 1 and offer liquid injection hole 18, cap liner 19 is movably set in liquid injection hole 18, for in lithium battery 100
Portion carries out fluid injection and fluid injection sealing, highly effective, ensures the normal work of lithium battery 100.
While there has been shown and described that the embodiment of the utility model, for the ordinary skill in the art,
It is appreciated that in the case where not departing from the principle of the utility model and spirit can these embodiments be carried out with a variety of variations, repaiied
Change, replace and modification, the scope of the utility model are defined by the appended claims and the equivalents thereof.
Claims (6)
1. a kind of explosion-protection equipment of lithium battery exists including substrate (1) and the anti-explosion mechanism being arranged on substrate (1), feature
In：
Anti-explosion mechanism including relief hole (2), baffle (3), air admission hole (6), connecting hole (7), extruded hole (8) and squeezes balloon
(10), relief hole (2) perforation is opened in substrate (1), and the baffle (3) is arranged at relief hole (2) one side and and substrate
(1) it is flexibly connected, the baffle (3) is connected with spring (4) close to relief hole (2) one side, and the spring (4) is away from baffle (3)
One end is connected with installing plate (5), and the installing plate (5) is fixed on relief hole (2) madial wall, and is penetrated through and opened on installing plate (5)
Equipped with stomata (51)；
The substrate (1) offers air admission hole (6) in baffle (3) both sides, and the air admission hole (6) connects with connecting hole (7) perforation
It connects, the connecting hole (7) offers extruded hole (8) close to baffle (3) one side, and the extruded hole (8) is away from connecting hole (7) one end
It is flexibly connected with baffle (3), the extruded hole (8) is fixed with lower installation set (9), the extruding gas close to connecting hole (7) one end
Ball (10) is installed in lower installation set (9).
2. a kind of explosion-protection equipment of lithium battery according to claim 1, it is characterised in that：The baffle (3) and substrate (1)
Junction is provided with sealant.
3. a kind of explosion-protection equipment of lithium battery according to claim 1, it is characterised in that：The connecting hole (7) is away from gear
Plate (3) one side offers explosive hole (11), and the explosive hole (11) is fixed with installation set (12) close to connecting hole (7) one end,
Explosion bubble (13) is installed, the explosive hole (11) is fixed with horizontal stroke away from connecting hole (7) one end on the upper installation set (12)
Bar (14), the cross bar (14) are fixed with syringe needle (15) close to upper installation set (12) one side.
4. a kind of explosion-protection equipment of lithium battery according to claim 1, it is characterised in that：It is inserted in the substrate (1)
Positive terminal (16) and negative terminal (17).
5. a kind of explosion-protection equipment of lithium battery according to claim 1, it is characterised in that：Perforation is opened in the substrate (1)
Equipped with liquid injection hole (18), cap liner (19) is movably set in the liquid injection hole (18).
6. a kind of lithium battery includes the explosion-protection equipment of the lithium battery described in lithium battery (100) and claim 1-4 any one,
It is characterized in that：The lithium battery (100) is interfixed with substrate (1) by screw (20).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721571438.0U CN207409576U (en) | 2017-11-22 | 2017-11-22 | A kind of explosion-protection equipment of lithium battery and the lithium battery with the explosion-protection equipment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721571438.0U CN207409576U (en) | 2017-11-22 | 2017-11-22 | A kind of explosion-protection equipment of lithium battery and the lithium battery with the explosion-protection equipment |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207409576U true CN207409576U (en) | 2018-05-25 |
Family
ID=62316764
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721571438.0U Expired - Fee Related CN207409576U (en) | 2017-11-22 | 2017-11-22 | A kind of explosion-protection equipment of lithium battery and the lithium battery with the explosion-protection equipment |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207409576U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113571834A (en) * | 2021-06-17 | 2021-10-29 | 安徽捷创科技有限公司 | Explosion-proof cap of lithium cell |
| CN114284608A (en) * | 2021-12-28 | 2022-04-05 | 苏州时运佳塑胶制品有限公司 | New energy automobile lithium cell apron |
-
2017
- 2017-11-22 CN CN201721571438.0U patent/CN207409576U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113571834A (en) * | 2021-06-17 | 2021-10-29 | 安徽捷创科技有限公司 | Explosion-proof cap of lithium cell |
| CN114284608A (en) * | 2021-12-28 | 2022-04-05 | 苏州时运佳塑胶制品有限公司 | New energy automobile lithium cell apron |
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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: 20180525 Termination date: 20201122 |