CN205050879U - High lithium cell shell of security - Google Patents
High lithium cell shell of security Download PDFInfo
- Publication number
- CN205050879U CN205050879U CN201520699984.7U CN201520699984U CN205050879U CN 205050879 U CN205050879 U CN 205050879U CN 201520699984 U CN201520699984 U CN 201520699984U CN 205050879 U CN205050879 U CN 205050879U
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- China
- Prior art keywords
- battery
- valve
- explosion
- battery cover
- proof valve
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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)
- Sealing Battery Cases Or Jackets (AREA)
Abstract
The utility model discloses a high lithium cell shell of security, including battery case, battery cover, anodal post and negative pole post, anodal post and negative pole post are located battery case's top both sides to be connected through bolt and electric core, the middle part of battery cover still is provided with annotates explosion -proof valve of liquid and battery relief valve, annotate the explosion -proof valve of liquid and regard as the filling opening of electrolyte simultaneously, the bottom of valve body still is equipped with sealed the pad with the junction of battery cover, it still is equipped with seal ring no. 2 to annotate the bottom of the explosion -proof valve of liquid and the junction of battery cover. This high lithium cell shell of security adopts the security mode of battery relief valve + explosion -proof valve of notes liquid, prevents the battery explosion, guarantees the safe in utilization of lithium cell, the adoption just, the negative pole post prevent turning over dress technological can prevent because of just, the negative pole direction adorns and causes scrapping of whole battery on the contrary, adopt unique utmost point post to prevent the seal structure of seepage, can effectively prevent the seepage of electrolyte, improve the safety in utilization of battery and the life of battery.
Description
Technical field
The utility model relates to electric energy storage device technical field, is specially the lithium battery case that a kind of fail safe is high.
Background technology
Lithium battery is the novel high-energy battery succeeded in developing in 20th century, has that energy is high, cell voltage is high, operating temperature range is wide, the feature of long service life.Lithium battery is as the hermetic type rechargeable battery with high-energy-density, early stage is mainly used in the fields such as mobile phone, camera, notebook computer, video camera, battery volume is relatively little, along with people are to the research of lithium battery, its application is also increasingly extensive, the high-capacity lithium battery of current exploitation is brought into use in electric automobile, and lithium battery also can be widely used in the fields such as stand-by power supply, energy reserve, power source.
In lithium battery use procedure, when battery be subject to short circuit, high heat, the affecting of abnormal factors such as to overcharge time, inside battery produces gases at high pressure, as gas can not be discharged in time, the distortion of battery container can be caused even to produce the danger of blast.Along with the increase of battery volume, the harm that blast produces also increases accordingly.Tradition lithium battery is in order to ensure the use safety of lithium battery, on battery mounting spring structure safety valve and the weak structure of a stress is set on housing, there is valve opening and hold up the large shortcoming of difference in the safety valve of this structure, in time the gas in battery can not be discharged, thus make battery produce flatulence, battery container distortion; When battery occurs abnormal, battery internal gas pressure air pressure height can break through stress weakness to a certain extent afterwards, prevents case fragmentation, but this explosion-proof mode security performance is low, and can make scrapping of whole battery, causes the waste of resource.For improving this present situation, our lithium battery case of providing a kind of fail safe high for this reason.
Utility model content
In order to solve the problem proposed in above-mentioned background technology, the purpose of this utility model is the lithium battery case providing a kind of fail safe high, is applicable to large-scale lithium battery.
For achieving the above object, the utility model provides following technical scheme: the lithium battery case that a kind of fail safe is high, comprise battery container, positive terminal and negative terminal, described positive terminal and negative terminal are positioned at the both sides, top of battery container, and be connected with battery core by bolt, the external card of described positive terminal and negative terminal is connected to battery cover, and the top open part of positive terminal and negative terminal is all connected with pole nut, the middle part of described battery cover is also provided with fluid injection explosion-proof valve and battery safety valve, described fluid injection explosion-proof valve is simultaneously as the inlet of electrolyte, the bottom of described fluid injection explosion-proof valve adopts fastening type structure, described battery safety valve comprises valve gap, trim ring, filter disc, rubber cap and valve body, the top of described valve body is provided with valve gap, the inside of described valve body is plugged with trim ring from top to bottom successively, filter disc and rubber cap, the bottom of described valve body and the junction of battery cover are also provided with sealing gasket, the bottom of described fluid injection explosion-proof valve and the junction of battery cover are also provided with seal washer two.
Preferably, the coefficient security mode of fluid injection explosion-proof valve+battery safety valve is adopted.
Preferably, described fluid injection explosion-proof valve also can as electrolyte inlet.
The both sides, contact site of described negative terminal and battery cover are equipped with groove, and described groove is corresponding with the position of the projection being positioned at battery cover upper surface.
Preferably, the bottom, contact site of described positive terminal, negative terminal and battery cover all offers o-ring groove, is connected with seal washer one in described o-ring groove.
Preferably, the outer surface grafting of described battery container is laid with reinforcement.
Preferably, the outer surface of described battery container also applique have wear-resisting decorative pattern.
Compared with prior art, the beneficial effects of the utility model are: the security mode of lithium battery case employing fluid injection explosion-proof valve+battery safety valve that this fail safe is high, battery safety valve can discharge gas unnecessary in battery in time, prevents battery generation flatulence, bulge, ensures the fail safe that battery uses; Under battery uses abnormal conditions, cell internal pressure is comparatively large and the air displacement of battery safety valve can not discharge the gas in battery in time time, under the effect of fluid injection explosion-proof valve gas pressure in battery, can automatically get loose, discharge the gas in battery, prevent battery explosion, fluid injection explosion-proof valve also can as the inlet of electrolyte; The positive and negative pole anti-reverse mounting technology of the employing added can go wrong by Timeliness coverage cathode and anode directions, prevent because positive and negative electrode direction is anti-loaded and cause scrapping of whole battery, o-ring groove is designed with by the pole joint on battery cover, and packing ring is fixed in groove, make when pole is fixed, can caoutchouc elasticity be utilized under external force to make sealed ring deformation, fill up whole groove, reach the object of sealing, the security performance of further raising lithium battery, ensures the use safety of lithium battery.
Accompanying drawing explanation
Fig. 1 is the utility model structural representation;
Fig. 2 is the utility model battery drawer part structural representation;
Fig. 3 is the utility model pole part structural representation.
In figure: 1 pole nut, 2 fluid injection explosion-proof valves, 3 valve gaps, 4 trim rings, 5 filter discs, 6 rubber caps, 7 valve bodies, 8 sealing gaskets, 9 seal washer two, 10 battery covers, 11 seal washer one, 12 positive terminals, 13 negative terminals, 14 battery containers, 15 battery safety valves, 16 grooves, 17 protruding, 18 o-ring grooves.
Embodiment
Below in conjunction with the accompanying drawing in the utility model embodiment, be clearly and completely described the technical scheme in the utility model embodiment, obviously, described embodiment is only the utility model part embodiment, instead of whole embodiments.Based on the embodiment in the utility model, those of ordinary skill in the art are not making the every other embodiment obtained under creative work prerequisite, all belong to the scope of the utility model protection.
Refer to Fig. 1-3, the utility model provides a kind of technical scheme: the lithium battery case that a kind of fail safe is high, comprise pole nut 1, fluid injection explosion-proof valve 2, valve gap 3, trim ring 4, filter disc 5, rubber cap 6, valve body 7, sealing gasket 8, seal washer 29, battery cover 10, seal washer 1, positive terminal 12, negative terminal 13, battery container 14, battery safety valve 15, groove 16 and protruding 17, positive terminal 12 and negative terminal 13 are positioned at the both sides, top of battery container 14, and be connected with battery core by bolt, reasonable in design, easy to operate, the outer surface grafting of battery container 14 is laid with reinforcement, the shock resistance of battery container 14 is strengthened, the outer surface of battery container 14 also applique has wear-resisting decorative pattern, avoid causing damage from eminence landing, simultaneously handsome in appearance, ensure that the intensity of product, to alleviate the weight of product, positive terminal 12 is connected to battery cover 10 with the external card of negative terminal 13, and positive terminal 12 is all connected with pole nut 1 with the top open part of negative terminal 13, negative terminal 13 is equipped with groove 16 with the both sides, contact site of battery cover 10, groove 16 is corresponding with the position of the projection 17 being positioned at battery cover 10 upper surface, when battery cover 10 seals, if just, negative electrode side is to anti-loaded, because of on positive terminal 12 without groove, under the effect of two respective protrusions 17, pole nut 1 and pole then coordinate not in place, can go wrong by Timeliness coverage cathode and anode directions, prevent because of just, negative electrode side is to anti-loaded and cause scrapping of whole battery, positive terminal 12, negative terminal 13 all offers o-ring groove 18 with the bottom, contact site of battery cover 10, seal washer 1 is connected with in o-ring groove, when pole is fixed, under external force, utilize caoutchouc elasticity, seal washer 1 is out of shape, fill up whole groove, reach the object of sealing, the middle part of battery cover 10 is also provided with battery safety valve 15 and fluid injection explosion-proof valve 2, battery safety valve 15 comprises valve gap 3, trim ring 4, filter disc 5, rubber cap 6 and valve body 7, the top of valve body 7 is provided with valve gap 3, the inside of valve body 7 is plugged with trim ring 4 from top to bottom successively, filter disc 5 and rubber cap 6, the bottom of valve body 7 and the junction of battery cover 10 are also provided with sealing gasket 8, battery safety valve 15 can discharge gas unnecessary in battery in time, prevent battery generation flatulence, bulge, because battery is larger, in abnormal cases, when cell internal pressure is larger, when the air displacement of battery safety valve 15 can not discharge the gas in battery in time, under the effect of fluid injection explosion-proof valve 2 gas pressure in battery, can automatically collapse de-, discharge the gas in battery, prevent battery explosion, the bottom of fluid injection explosion-proof valve adopts fastening type structure, can be realized it automatically collapse de-and be convenient to dismounting, the bottom of fluid injection explosion-proof valve 2 and the junction of battery cover 10 are also provided with seal washer 29, fluid injection explosion-proof valve simultaneously can also as the inlet of electrolyte.
Although illustrate and described embodiment of the present utility model, for the ordinary skill in the art, be appreciated that and can carry out multiple change, amendment, replacement and modification to these embodiments when not departing from principle of the present utility model and spirit, scope of the present utility model is by claims and equivalents thereof.
Claims (6)
1. the lithium battery case that a fail safe is high, comprise battery container (14), battery cover (10), positive terminal (12) and negative terminal (13), it is characterized in that: described positive terminal (12) and negative terminal (13) are positioned at the both sides, top of battery container (14), and be connected with battery core by bolt, described positive terminal (12) is connected to battery cover (10) with the external card of negative terminal (13), and positive terminal (12) is all connected with pole nut (1) with the top open part of negative terminal (13), the middle part of described battery cover (10) is also provided with fluid injection explosion-proof valve (2) and battery safety valve (15), described fluid injection explosion-proof valve (2) is simultaneously as the inlet of electrolyte, the bottom of described fluid injection explosion-proof valve (2) adopts fastening type structure, described battery safety valve (15) comprises valve gap (3), trim ring (4), filter disc (5), rubber cap (6) and valve body (7), the top of described valve body (7) is provided with valve gap (3), the inside of described valve body (7) is plugged with trim ring (4) from top to bottom successively, filter disc (5) and rubber cap (6), the bottom of described valve body (7) and the junction of battery cover (10) are also provided with sealing gasket (8), the bottom of described fluid injection explosion-proof valve (2) and the junction of battery cover (10) are also provided with seal washer two (9).
2. the lithium battery case that a kind of fail safe according to claim 1 is high, is characterized in that: adopt fluid injection explosion-proof valve (2) and the coefficient security mode of battery safety valve (15).
3. the lithium battery case that a kind of fail safe according to claim 1 is high, it is characterized in that: described negative terminal (13) is equipped with groove (16) with the both sides, contact site of battery cover (10), described groove (16) is corresponding with the position of the projection (17) being positioned at battery cover (10) upper surface, can prevent that pole is counter to be filled.
4. the lithium battery case that a kind of fail safe according to claim 1 is high, it is characterized in that: described positive terminal (12), negative terminal (13) all offer o-ring groove (18) with the bottom, contact site of battery cover (10), seal washer one (11) is connected with in described o-ring groove, when pole is fixed, under external force, utilize the elasticity of rubber, sealing ring one (11) is out of shape, fill up whole groove, form the hermetically-sealed construction that unique pole prevents seepage.
5. the lithium battery case that a kind of fail safe according to claim 1 is high, is characterized in that: the outer surface grafting of described battery container (14) is laid with reinforcement.
6. the lithium battery case that a kind of fail safe according to claim 1 is high, is characterized in that: the outer surface of described battery container (14) also applique has wear-resisting decorative pattern.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520699984.7U CN205050879U (en) | 2015-09-10 | 2015-09-10 | High lithium cell shell of security |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520699984.7U CN205050879U (en) | 2015-09-10 | 2015-09-10 | High lithium cell shell of security |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205050879U true CN205050879U (en) | 2016-02-24 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520699984.7U Expired - Fee Related CN205050879U (en) | 2015-09-10 | 2015-09-10 | High lithium cell shell of security |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205050879U (en) |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105655505A (en) * | 2016-03-10 | 2016-06-08 | 龙能科技（苏州）有限责任公司 | Maintainable cylindrical lithium-ion battery |
| CN106784574A (en) * | 2016-12-22 | 2017-05-31 | 中科泰能高铭科技发展有限公司 | A kind of square bar housing battery and its assemble the module of battery system |
| CN108305960A (en) * | 2018-03-01 | 2018-07-20 | 昆明理工大学 | A kind of high security aluminium casing lithium ion power battery |
| CN112272889A (en) * | 2018-05-28 | 2021-01-26 | 大日本印刷株式会社 | Battery with a battery cell |
| CN113383456A (en) * | 2020-11-26 | 2021-09-10 | 宁德新能源科技有限公司 | Electrochemical device and electronic apparatus |
| CN114335852A (en) * | 2020-10-10 | 2022-04-12 | 福建巨电新能源股份有限公司 | Lithium battery shell |
-
2015
- 2015-09-10 CN CN201520699984.7U patent/CN205050879U/en not_active Expired - Fee Related
Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105655505A (en) * | 2016-03-10 | 2016-06-08 | 龙能科技（苏州）有限责任公司 | Maintainable cylindrical lithium-ion battery |
| CN106784574A (en) * | 2016-12-22 | 2017-05-31 | 中科泰能高铭科技发展有限公司 | A kind of square bar housing battery and its assemble the module of battery system |
| CN108305960A (en) * | 2018-03-01 | 2018-07-20 | 昆明理工大学 | A kind of high security aluminium casing lithium ion power battery |
| CN108305960B (en) * | 2018-03-01 | 2024-06-04 | 昆明理工大学 | High-safety aluminum-shell lithium ion power battery |
| CN112272889A (en) * | 2018-05-28 | 2021-01-26 | 大日本印刷株式会社 | Battery with a battery cell |
| CN112272889B (en) * | 2018-05-28 | 2023-08-11 | 大日本印刷株式会社 | Battery cell |
| CN114335852A (en) * | 2020-10-10 | 2022-04-12 | 福建巨电新能源股份有限公司 | Lithium battery shell |
| CN113383456A (en) * | 2020-11-26 | 2021-09-10 | 宁德新能源科技有限公司 | Electrochemical device and electronic apparatus |
| WO2022109939A1 (en) * | 2020-11-26 | 2022-06-02 | 宁德新能源科技有限公司 | Electrochemical apparatus and electronic device |
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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: 20160224 Termination date: 20200910 |