CN204991875U - Lithium cell with explosion -proof equipment - Google Patents
Lithium cell with explosion -proof equipment Download PDFInfo
- Publication number
- CN204991875U CN204991875U CN201520483655.9U CN201520483655U CN204991875U CN 204991875 U CN204991875 U CN 204991875U CN 201520483655 U CN201520483655 U CN 201520483655U CN 204991875 U CN204991875 U CN 204991875U
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- CN
- China
- Prior art keywords
- explosion
- protection equipment
- lithium battery
- communicating pipe
- lithium cell
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- 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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- 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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- Gas Exhaust Devices For Batteries (AREA)
Abstract
The utility model discloses a lithium cell with explosion -proof equipment belongs to lithium battery technology field, and solved poor, the inside high temperature of lithium cell security performance in the conventional art, arranged the problem of pressing the effect poor, which comprises a housin, electricity core work group, electricity core work group locates in the casing, be equipped with the heat -sink shell between electricity core work group and the casing, the casing top is equipped with the roof, the roof both sides are equipped with anodal post respectively, the negative pole post, be equipped with explosion -proof equipment between anodal post and the negative pole post, explosion -proof equipment includes the base, rupture membrane, the gasbag, the base surface covering has rupture membrane, rupture membrane's both sides are equipped with the through -hole, be equipped with communicating pipe in the through -hole respectively, be equipped with the gasbag above communicating pipe, the department of central authorities of gasbag bottom is equipped with the connecting plate, fixedly connected with barb on the connecting plate. The utility model discloses a heat -sink shell has reduced the inside temperature of lithium cell, avoids taking place the short circuit, and it is gaseous to utilize the gasbag to collect simultaneously, and rupture membrane is punctureed to the barb, makes the inside gas of lithium cell release fast, has promoted its explosion -proof ability.
Description
Technical field
The utility model relates to technical field of lithium batteries, specifically, particularly relates to a kind of lithium battery with explosion-protection equipment.
Background technology
Lithium battery is a kind of green high-capacity chargeable battery; because it has the features such as voltage is high, specific energy large, the charge and discharge life-span is long, discharge performance is stable, pollution-free; dark in welcome that is social and user, the lithium battery therefore as new green environment protection battery has very important importance and functions by the technical fields such as development electronic information, new forms of energy and environmental protection.Lithium battery is primarily of negative electrode, anode, the electrolyte of energy conducting lithium ions and the moon, the barrier film composition that anode separates, because lithium battery adopts cobalt acid lithium as positive pole, when when over-charge of lithium battery, lithium ion is piled up at negative pole and is formed dendrite, pierce through barrier film, form internal short-circuit, barrier film is penetrated, inner formation big current, temperature rises and causes barrier film to melt, short circuit area expands further, the explosion-proof main employing indentation of lithium battery in the market, set up the modes such as pressure releasing hole explosion-proof, but when electrolyte is under the high temperature conditions by electrolysis, when producing a large amount of gas, inner generation High Voltage, destroy shell rapidly, exceed indentation and pressure releasing hole bears the limit, and then easily blast, security performance cannot be guaranteed.
Summary of the invention
The utility model discloses a kind of lithium battery with explosion-protection equipment, lithium battery poor safety performance in conventional art, internal temperature be too high for solving, the problem of row pressure weak effect.
The utility model is achieved through the following technical solutions:
A kind of lithium battery with explosion-protection equipment, comprise housing, battery core working group, positive terminal, negative terminal, explosion-protection equipment, described battery core working group is located in housing, heat-sink shell is provided with between described battery core working group and described housing, described housing tip is provided with top board, described top board both sides are respectively equipped with positive terminal, negative terminal, described positive terminal, positive plate is respectively equipped with bottom negative terminal, negative plate, explosion-protection equipment is provided with between described positive terminal and negative terminal, described explosion-protection equipment comprises base, rupture pressure disc, air bag, described susceptor surface is coated with rupture pressure disc, the both sides of described rupture pressure disc are provided with through hole, communicating pipe is respectively equipped with in described through hole, air bag is provided with above described communicating pipe, centre bottom described air bag is provided with connecting plate, described connecting plate is fixedly connected with hangnail, described hangnail front end is pointed, and point to described rupture pressure disc.
Described through hole and described communicating pipe threaded engagement.
Described hangnail arranged on left and right sides is respectively equipped with fixed connecting rod.
The front end of described fixed connecting rod is provided with corresponding circular boop.
Described circular boop can carry out upper and lower slip on described communicating pipe.
Compared with prior art, the beneficial effects of the utility model are:
The utility model by arranging heat-sink shell between battery core working group and housing, overcharge in the battery core working group of lithium battery interior, and then produce a large amount of heat, when forming high temperature, the heat that battery core working group produces is absorbed, reach and reduce the object of internal temperature, prevent the barrier film of lithium battery interior to be subject to high temperature and the problem of melting occurs; And the gas adopting air bag collection electrolyte inside to produce because of electrolysis, primary collection is carried out to gas, extends the useful life of rupture pressure disc, expand the space of gas held, reduce the pressure of lithium battery interior, avoid the situation that lithium battery is blasted; The gas simultaneously collected with it when air bag increases, and makes hangnail puncture rupture pressure disc, and release lithium battery interior gas pressure, has ensured the fail safe of lithium battery further, improved the explosion-proof performance of lithium battery.
Accompanying drawing explanation
Fig. 1 is structural representation of the present utility model;
Fig. 2 is the structural representation of the utility model explosion-protection equipment.
In figure: 1, housing; 2, battery core working group; 3, positive terminal; 4, negative terminal; 5, heat-sink shell; 6, top board; 7, positive plate; 8, negative plate; 9, base; 10, rupture pressure disc; 11, air bag; 12, through hole; 13, communicating pipe; 14, connecting plate; 15, hangnail; 16, fixed connecting rod; 17, circular boop.
Embodiment
Below in conjunction with accompanying drawing, the utility model is further illustrated:
A kind of lithium battery with explosion-protection equipment, comprise housing 1, battery core working group 2, positive terminal 3, negative terminal 4, explosion-protection equipment, described battery core working group 2 is located in housing 1, heat-sink shell 5 is provided with between described battery core working group 2 and described housing 1, described housing 1 top is provided with top board 6, described top board 6 both sides are respectively equipped with positive terminal 3, negative terminal 4, described positive terminal 3, corresponding positive plate 7 is respectively equipped with bottom negative terminal 4, negative plate 8, explosion-protection equipment is provided with between described positive terminal 3 and negative terminal 4, described explosion-protection equipment comprises base 9, rupture pressure disc 10, air bag 11, described base 9 surface coverage has rupture pressure disc 10, the both sides of described rupture pressure disc 10 are provided with through hole 12, communicating pipe 13 is respectively equipped with in described through hole 12, air bag 11 is provided with above described communicating pipe 13, centre bottom described air bag 11 is provided with connecting plate 14, described connecting plate 14 is fixedly connected with hangnail 15, described hangnail 15 front end is pointed, and point to described rupture pressure disc 10.
Described through hole 12 and described communicating pipe 13 threaded engagement.
Described hangnail 15 arranged on left and right sides is respectively equipped with fixed connecting rod 16.
The front end of described fixed connecting rod 16 is provided with circular boop 17.
Described circular boop 17 can carry out upper and lower slip on described communicating pipe 13.
When situation about overcharging, the heat that heat-sink shell 5 pairs of lithium battery interiors of the utility model inside produce absorbs, reach and reduce lithium battery interior temperature, barrier film is avoided to melt the problem causing short circuit, lithium battery is carried out tentatively explosion-proof, when lithium battery interior electrolyte Yin Gaowen and occur electrolysis produce a large amount of gas time, gas is by entering in air bag 11 communicating pipe 13, along with increasing of lithium battery interior gas, the volume of air bag 11 becomes large, thus drive connecting plate 14 slide downward, and then rupture pressure disc 10 punctures by promotion hangnail 15, expanding gas is released fast, and hangnail 15 is connected with communicating pipe 13 by fixed connecting rod 16, guarantee that hangnail 15 points to rupture pressure disc 10.The utility model practical value is high, can be widely used in technical field of lithium batteries.
In sum, be only preferred embodiment of the present utility model, not be used for limit the utility model implement scope, all equalizations of doing according to shape, structure, feature and the spirit described in the utility model right change and modify, and all should be included in right of the present utility model.
Claims (5)
1. the lithium battery with explosion-protection equipment, it is characterized in that: comprise housing (1), battery core working group (2), positive terminal (3), negative terminal (4), explosion-protection equipment, described battery core working group (2) is located in housing (1), heat-sink shell (5) is provided with between described battery core working group (2) and described housing (1), described housing (1) top is provided with top board (6), described top board (6) both sides are respectively equipped with positive terminal (3), negative terminal (4), described positive terminal (3), negative terminal (4) bottom is respectively equipped with corresponding positive plate (7), negative plate (8), explosion-protection equipment is provided with between described positive terminal (3) and negative terminal (4), described explosion-protection equipment comprises base (9), rupture pressure disc (10), air bag (11), described base (9) surface coverage has rupture pressure disc (10), the both sides of described rupture pressure disc (10) are provided with through hole (12), communicating pipe (13) is respectively equipped with in described through hole (12), air bag (11) is provided with above described communicating pipe (13), the centre of described air bag (11) bottom is provided with connecting plate (14), described connecting plate (14) is fixedly connected with hangnail (15), described hangnail (15) front end is pointed, and point to described rupture pressure disc (10).
2. a kind of lithium battery with explosion-protection equipment according to claim 1, is characterized in that: described through hole (12) and described communicating pipe (13) threaded engagement.
3. a kind of lithium battery with explosion-protection equipment according to claim 1, is characterized in that: described hangnail (15) arranged on left and right sides is respectively equipped with fixed connecting rod (16).
4. a kind of lithium battery with explosion-protection equipment according to claim 3, is characterized in that: the front end of described fixed connecting rod (16) is provided with circular boop (17).
5. a kind of lithium battery with explosion-protection equipment according to claim 4, is characterized in that: described circular boop (17) can carry out upper and lower slip on described communicating pipe (13).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520483655.9U CN204991875U (en) | 2015-07-07 | 2015-07-07 | Lithium cell with explosion -proof equipment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520483655.9U CN204991875U (en) | 2015-07-07 | 2015-07-07 | Lithium cell with explosion -proof equipment |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204991875U true CN204991875U (en) | 2016-01-20 |
Family
ID=55126210
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520483655.9U Expired - Fee Related CN204991875U (en) | 2015-07-07 | 2015-07-07 | Lithium cell with explosion -proof equipment |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204991875U (en) |
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107093698A (en) * | 2017-05-05 | 2017-08-25 | 深圳市科达利实业股份有限公司 | A kind of battery cover plate structure and battery with thermal deformation part |
| CN107093697A (en) * | 2017-05-05 | 2017-08-25 | 深圳市科达利实业股份有限公司 | A kind of battery cover plate structure and battery for realizing multiple open circuit protection and release pressure |
| CN107425151A (en) * | 2017-09-18 | 2017-12-01 | 江苏万达新能源科技股份有限公司 | A kind of new type explosion proof lithium battery top cap plate and application |
| CN107644954A (en) * | 2017-09-18 | 2018-01-30 | 江苏万达新能源科技股份有限公司 | A kind of explosion-proof lithium battery lamina tecti and application |
| CN107806865A (en) * | 2017-10-30 | 2018-03-16 | 扬州中润环保工程有限公司 | A kind of macromolecule hydrologic staff gauge |
| CN108832056A (en) * | 2018-06-27 | 2018-11-16 | 安徽相源新能源有限公司 | A kind of lithium battery with explosion-protection equipment |
| CN114447516A (en) * | 2022-02-10 | 2022-05-06 | 济宁海富光学科技有限公司 | Explosion-proof valve, lithium battery cover plate and lithium battery |
| CN114824575A (en) * | 2022-06-23 | 2022-07-29 | 深圳市昂佳科技有限公司 | Explosion-proof lithium battery |
-
2015
- 2015-07-07 CN CN201520483655.9U patent/CN204991875U/en not_active Expired - Fee Related
Cited By (13)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107093697B (en) * | 2017-05-05 | 2023-08-29 | 深圳市科达利实业股份有限公司 | Battery cover plate structure for realizing multiple circuit breaking protection and pressure release and battery |
| CN107093697A (en) * | 2017-05-05 | 2017-08-25 | 深圳市科达利实业股份有限公司 | A kind of battery cover plate structure and battery for realizing multiple open circuit protection and release pressure |
| CN107093698B (en) * | 2017-05-05 | 2024-03-26 | 深圳市科达利实业股份有限公司 | Battery cover plate structure with thermal deformation piece and battery |
| CN107093698A (en) * | 2017-05-05 | 2017-08-25 | 深圳市科达利实业股份有限公司 | A kind of battery cover plate structure and battery with thermal deformation part |
| CN107644954A (en) * | 2017-09-18 | 2018-01-30 | 江苏万达新能源科技股份有限公司 | A kind of explosion-proof lithium battery lamina tecti and application |
| CN107644954B (en) * | 2017-09-18 | 2023-10-27 | 南京艾利克斯电子科技有限公司 | Explosion-proof lithium battery top cover plate and application |
| CN107425151A (en) * | 2017-09-18 | 2017-12-01 | 江苏万达新能源科技股份有限公司 | A kind of new type explosion proof lithium battery top cap plate and application |
| CN107806865A (en) * | 2017-10-30 | 2018-03-16 | 扬州中润环保工程有限公司 | A kind of macromolecule hydrologic staff gauge |
| CN107806865B (en) * | 2017-10-30 | 2024-02-02 | 扬州中润环保工程有限公司 | Polymer hydrological scale |
| CN108832056A (en) * | 2018-06-27 | 2018-11-16 | 安徽相源新能源有限公司 | A kind of lithium battery with explosion-protection equipment |
| CN114447516A (en) * | 2022-02-10 | 2022-05-06 | 济宁海富光学科技有限公司 | Explosion-proof valve, lithium battery cover plate and lithium battery |
| CN114824575A (en) * | 2022-06-23 | 2022-07-29 | 深圳市昂佳科技有限公司 | Explosion-proof lithium battery |
| CN114824575B (en) * | 2022-06-23 | 2022-09-09 | 深圳市昂佳科技有限公司 | Explosion-proof lithium battery |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| 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: 20160120 Termination date: 20210707 |