CN216529220U - Explosion-proof type battery - Google Patents
Explosion-proof type battery Download PDFInfo
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- CN216529220U CN216529220U CN202122557327.7U CN202122557327U CN216529220U CN 216529220 U CN216529220 U CN 216529220U CN 202122557327 U CN202122557327 U CN 202122557327U CN 216529220 U CN216529220 U CN 216529220U
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- hole
- valve
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- valve body
- explosion
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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)
- Battery Mounting, Suspending (AREA)
Abstract
The utility model discloses an explosion-proof storage battery, which comprises a shell, a top cover, a battery pack and a safety valve, wherein the shell is provided with a first opening and a second opening; the safety valve comprises a valve body, a valve cover and an elastic sealing piece; the valve body is provided with a containing hole, a main exhaust hole, an exhaust groove and a branch exhaust hole; the valve cover is provided with a limiting hole and an air outlet hole; the elastic sealing element comprises a sealing column, a limiting block, a limiting column and a telescopic spring; through putting battery group inside the casing, and cover the casing through the top cap, can completely cut off battery group and external fire source, thereby can avoid external fire source to detonate the battery group, the security is high, and can also pass through the accommodation hole, the main exhaust hole, the air discharge duct, a hole of exhausting, spacing hole, the venthole, sealed post, the stopper, spacing post and expanding spring, the speed of disappointing of battery group is adjusted according to the inside gas pressure correspondence of battery group, the inside unnecessary gas of battery group of in time discharging, the security is high.
Description
Technical Field
The utility model relates to the technical field of storage batteries, in particular to an explosion-proof storage battery.
Background
Storage batteries are widely used in electric industrial vehicles as energy storage devices to provide power for starting and traction of industrial vehicles, store electric energy generated by generators, regulate generator voltage and provide electric energy for other electrical components on industrial vehicles; the storage battery often has hydrogen to release at the charge-discharge in-process, and hydrogen belongs to inflammable and explosive gas, and the easy explosion takes place for the situation that can not in time exhaust, and secondly, outside burning things which may cause a fire disaster also explodes the storage battery easily.
SUMMERY OF THE UTILITY MODEL
In view of the above, the present invention is directed to an explosion-proof battery capable of isolating the battery from an external fire source and discharging excess gas in the battery in time.
In order to solve the technical problems, the technical scheme of the utility model is as follows: an explosion-proof storage battery comprises a shell, a top cover arranged at the top of the shell, a battery pack arranged in the shell, and a safety valve arranged at the top of the battery pack and penetrating out of the top cover from bottom to top; the safety valve comprises a valve body positioned in the battery pack, a valve cover arranged at the top of the valve body and positioned above the battery pack, and an elastic sealing element arranged in the valve body; the upper surface of the valve body is provided with a containing hole in a downward sunken manner, the lower surface of the valve body is provided with a main exhaust hole communicated with the containing hole in an upward sunken manner, the upper surface of the valve body is provided with an exhaust groove in a downward sunken manner, and the inner side wall of the main exhaust hole is provided with a branch exhaust hole communicated with the exhaust groove in an outward sunken manner; the valve cover is provided with a limiting hole communicated with the accommodating hole, and the valve cover is provided with an air outlet hole communicated with the exhaust groove; elastic sealing element is including being located the sealed post in the main exhaust hole sets up the top of sealed post and be located the stopper of accommodation hole sets up the top of stopper and be located the spacing post in spacing hole cup joints on the spacing post, and be located telescopic spring between the lower surface of the upper surface of stopper and valve gap.
Preferably, the diameter of the accommodating hole is larger than that of the main exhaust hole, and the center of the accommodating hole and the center of the exhaust hole are located on the same axis.
Preferably, the inside of the air outlet is provided with an acid filtering sheet.
Preferably, a rubber pad is fixedly adhered to the inner wall of the shell.
Preferably, the upper end of the battery pack is provided with a positive terminal and a negative terminal, and the upper ends of the positive terminal and the negative terminal penetrate out of the top cover from bottom to top.
The technical effects of the utility model are mainly embodied as follows: through putting battery group inside the casing, and cover the casing through the top cap, can completely cut off battery group and external fire source, thereby can avoid external fire source to detonate the battery group, the security is high, and can also pass through the accommodation hole, the main exhaust hole, the air discharge duct, a hole of exhausting, spacing hole, the venthole, sealed post, the stopper, spacing post and expanding spring, the speed of disappointing of battery group is adjusted according to the inside gas pressure correspondence of battery group, the inside unnecessary gas of battery group of in time discharging, the security is high.
Drawings
FIG. 1 is a schematic structural diagram of an explosion-proof storage battery according to the present invention;
FIG. 2 is a schematic cross-sectional view of the relief valve of FIG. 1;
fig. 3 is a schematic structural view of the elastic sealing member of fig. 2.
Detailed Description
The following detailed description of the embodiments of the present invention is provided in order to make the technical solution of the present invention easier to understand and understand.
In the present embodiment, it should be understood that the terms "middle", "upper", "lower", "top", "right", "left", "above", "back", "middle", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of describing the present invention, and do not indicate or imply that the referred devices or elements must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention.
In the present embodiment, if the connection or fixing manner between the components is not specifically described, the connection or fixing manner may be a bolt fixing manner, a pin connecting manner, or the like, which is commonly used in the prior art, and therefore, details thereof are not described in the present embodiment.
An explosion-proof storage battery, as shown in fig. 1, comprises a housing 1, a top cover 2 arranged on the top of the housing 1, a battery pack 3 arranged in the housing 1, and a safety valve 4 arranged on the top of the battery pack 3 and penetrating out of the top cover 2 from bottom to top. And a rubber pad 11 is fixedly adhered to the inner wall of the shell 1. Can play the shock attenuation cushioning effect to group battery 3 through the rubber pad, also can play insulating effect simultaneously. The upper end of group battery 3 is provided with positive terminal 31 and negative terminal 32, positive terminal 31 and negative terminal 32's upper end is all worn out top cap 2 from lower to upper.
As shown in fig. 2, the safety valve 4 includes a valve body 41 located inside the battery pack 3, a valve cover 42 provided on the top of the valve body 41 and located above the battery pack 3, and an elastic seal 43 provided inside the valve body 41. The upper surface of the valve body 41 is recessed downwards to form a containing hole 411, the lower surface of the valve body 41 is recessed upwards to form a main exhaust hole 412 communicated with the containing hole 411, the upper surface of the valve body 41 is recessed downwards to form a plurality of exhaust grooves 413, and the inner side wall of the main exhaust hole 412 is recessed outwards to form a branch exhaust hole 414 communicated with the exhaust grooves 413; the valve cover 42 is provided with a limiting hole 421 communicated with the accommodating hole 411, the valve cover 42 is provided with an air outlet hole 422 communicated with the exhaust groove 413, and the inside of the air outlet hole 422 is provided with a filter acid piece 423. The diameter of the receiving hole 411 is larger than that of the main exhaust hole 412, and the center of the receiving hole 411 and the center of the exhaust hole 412 are located on the same axis.
As shown in fig. 3, the elastic sealing member 43 includes a sealing post 431 located at the main exhaust hole 412, a limiting block 432 disposed at the top of the sealing post 431 and located at the receiving hole 411, a limiting post 433 disposed at the top of the limiting block 432 and located at the limiting hole 421, and a telescopic spring 434 sleeved on the limiting post 433 and located between the upper surface of the limiting block 432 and the lower surface of the valve cover 42.
In the present embodiment, the housing 1 and the top cover 2 are both made of K8009 ultra-high toughness PP plastic. The PP plastic has high toughness, good performances in the aspects of impact strength, high elongation at break and the like, and can resist large impact force without generating breakage.
In this embodiment, the acid filter 423 is a porous sheet made of foamed polypropylene, and because of the hydrophobic property of polypropylene, it has the functions of blocking liquid and filtering acid, and can effectively prevent acid mist from overflowing.
The working principle is as follows: the larger the gas pressure generated inside the battery pack 3 is, the higher the sealing column 431 is jacked up, the larger area of the branch exhaust holes 414 can be opened by the sealing column 431, the faster the air release speed of the battery pack 3 is, and the safety valve 4 can control the air release speed of the battery pack 3 according to the gas pressure generated inside the battery pack 3 to ensure the safe pressure release of the battery pack, so that the excessive gas accumulated inside the battery pack can be avoided, and the safety performance of the battery pack 3 can be improved; after the redundant gas is discharged, the sealing column 431 descends under the action of the telescopic spring 434 to reseal the branch exhaust hole 414, so as to reduce the loss of the substances in the battery pack 3, thereby reducing the use loss of the battery pack and prolonging the service life of the storage battery.
The technical effects of the utility model are mainly embodied as follows: through putting battery group inside the casing, and cover the casing through the top cap, can completely cut off battery group and external fire source, thereby can avoid external fire source to detonate the battery group, the security is high, and can also pass through the accommodation hole, the main exhaust hole, the air discharge duct, a hole of exhausting, spacing hole, the venthole, sealed post, the stopper, spacing post and expanding spring, the speed of disappointing of battery group is adjusted according to the inside gas pressure correspondence of battery group, the inside unnecessary gas of battery group of in time discharging, the security is high.
The above are only typical examples of the present invention, and besides, the present invention may have other embodiments, and all the technical solutions formed by equivalent substitutions or equivalent changes are within the scope of the present invention as claimed.
Claims (5)
1. An explosion-proof type battery characterized in that: the safety valve comprises a shell, a top cover arranged at the top of the shell, a battery pack arranged in the shell, and a safety valve arranged at the top of the battery pack and penetrating out of the top cover from bottom to top; the safety valve comprises a valve body positioned in the battery pack, a valve cover arranged at the top of the valve body and positioned above the battery pack, and an elastic sealing element arranged in the valve body; the upper surface of the valve body is provided with a containing hole in a downward sunken manner, the lower surface of the valve body is provided with a main exhaust hole communicated with the containing hole in an upward sunken manner, the upper surface of the valve body is provided with an exhaust groove in a downward sunken manner, and the inner side wall of the main exhaust hole is provided with a branch exhaust hole communicated with the exhaust groove in an outward sunken manner; the valve cover is provided with a limiting hole communicated with the accommodating hole, and the valve cover is provided with an air outlet hole communicated with the exhaust groove; elastic sealing element is including being located the sealed post in the main exhaust hole sets up the top of sealed post and be located the stopper of accommodation hole sets up the top of stopper and be located the spacing post in spacing hole cup joints on the spacing post, and be located telescopic spring between the lower surface of the upper surface of stopper and valve gap.
2. An explosion-proof type secondary battery as set forth in claim 1, wherein: the diameter of the accommodating hole is larger than that of the main exhaust hole, and the center of the accommodating hole and the center of the exhaust hole are located on the same axis.
3. An explosion-proof type secondary battery as set forth in claim 1, wherein: and an acid filtering sheet is arranged in the air outlet.
4. An explosion-proof type secondary battery as set forth in claim 1, wherein: and a rubber pad is fixedly adhered to the inner wall of the shell.
5. An explosion-proof type secondary battery as set forth in claim 1, wherein: the upper end of group battery is provided with positive terminal and negative terminal, positive terminal and negative terminal's upper end is all by supreme top cap of wearing out down.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122557327.7U CN216529220U (en) | 2021-10-22 | 2021-10-22 | Explosion-proof type battery |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122557327.7U CN216529220U (en) | 2021-10-22 | 2021-10-22 | Explosion-proof type battery |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN216529220U true CN216529220U (en) | 2022-05-13 |
Family
ID=81524710
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202122557327.7U Active CN216529220U (en) | 2021-10-22 | 2021-10-22 | Explosion-proof type battery |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN216529220U (en) |
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2021
- 2021-10-22 CN CN202122557327.7U patent/CN216529220U/en active Active
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