CN209472005U - A kind of battery cap fluid injection blast resistance construction and battery - Google Patents
A kind of battery cap fluid injection blast resistance construction and battery Download PDFInfo
- Publication number
- CN209472005U CN209472005U CN201920081351.8U CN201920081351U CN209472005U CN 209472005 U CN209472005 U CN 209472005U CN 201920081351 U CN201920081351 U CN 201920081351U CN 209472005 U CN209472005 U CN 209472005U
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- explosion
- liquid injection
- base station
- injection hole
- battery
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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 relates to a kind of battery cap fluid injection blast resistance construction, including cover board and explosion-proof valve, cover board is equipped with liquid injection hole, and explosion-proof valve closes off liquid injection hole；Explosion-proof valve includes base station and explosion rupture disk, and base station lower end is inserted into liquid injection hole, and the lower end of base station is equipped with so that the liquid injection hole of itself and cover board phase clamping buckles, and base station is equipped with the explosionproof hole through base station upper and lower end face, and explosion rupture disk is arranged in explosionproof hole.A kind of battery, including battery cap fluid injection blast resistance construction.The beneficial effects of the utility model are: saving deck design space and material cost, improve battery production efficiency, due to the presence of explosion-proof valve, so that current liquid injection hole aperture is increased compared with the prior art, the increase in liquid injection hole aperture is conducive to the fluid injection efficiency for baking out and improving injection process of moisture in baking process battery core；Explosion-proof valve is fixed on the cover board by liquid injection hole buckle, so that battery follows closely without sealant and seal aluminium nail in sealing, while without prewelding, reducing alice and happening.
Description
Technical field
The utility model relates to field of batteries more particularly to a kind of battery cap fluid injection blast resistance constructions and battery.
Background technique
As global auto recoverable amount persistently rises, environmental problem becomes increasingly conspicuous, and seeks a kind of environment friendly and pollution-free new energy
Source automobile is imperative to break status.Representative vehicle of the pure electric automobile as clean energy resource, is gradually weighed by various countries
Depending on also gradually entering into everybody life.Power battery is constituted as the core of pure electric automobile, and it is close how to improve its energy
Degree and safety are also always the hot and difficult issue of new energy field.
Power battery top cover is generally made of top cover matrix, positive and negative terminals, liquid injection hole and explosion rupture disk, and part top cover, which exists, to be let out
The safety devices such as pressure valve.But with the continuous propulsion of research, battery energy density is gradually increased, battery lightness and miniaturization
It is increasingly becoming everybody pursuit.By taking square housing battery as an example, the smallest battery size is in national standard (GBT34013-2017)
2065138, top cover ideal dimensions are 20mm × 65mm, on the top cover of this size, the size and layout of liquid injection hole and explosion-proof valve
Design will become particularly difficult.
Utility model content
The technical problem to be solved by the utility model is to provide a kind of battery cap fluid injection blast resistance construction and battery, with gram
Take above-mentioned deficiency in the prior art.
The technical solution that the utility model solves above-mentioned technical problem is as follows: a kind of battery cap fluid injection blast resistance construction, packet
Cover board and explosion-proof valve are included, cover board is equipped with liquid injection hole, and explosion-proof valve closes off liquid injection hole；Explosion-proof valve includes base station and explosion rupture disk, base
Platform lower end is inserted into liquid injection hole, and the lower end of base station is equipped with so that the liquid injection hole of itself and cover board phase clamping buckles, and base station is equipped with
Explosionproof hole through base station upper and lower end face, explosion rupture disk are arranged in explosionproof hole.
The beneficial effects of the utility model are: liquid injection hole is combined with the installation hole location of explosion-proof valve, deck design is saved
Space and material cost improve battery production efficiency, in addition, due to the presence of explosion-proof valve, so that current liquid injection hole aperture is more existing
Have and increased for technology, what the increase in liquid injection hole aperture was conducive to moisture in baking process battery core bakes out and improve injection process
Fluid injection efficiency；Explosion-proof valve is fixed on the cover board by liquid injection hole buckle, so that battery is in sealing without sealant nail and close
Aluminium nail is sealed, save material cost, while without prewelding, reducing alice and happening.
Based on the above technical solution, the utility model can also do following improvement.
Further, the bayonet inclined-plane to match with explosion rupture disk is equipped in the installation place of explosion rupture disk in explosionproof hole.
It is using above-mentioned further beneficial effect: explosion rupture disk and base station is facilitated to weld.
Further, the section configuration of liquid injection hole buckle is trapezoidal.
It is using above-mentioned further beneficial effect: base station is facilitated to squeeze into liquid injection hole, and liquid injection hole buckle tail portion is flat
Platform can make base station combine closely with cover board by base station card on the cover board.
Further, through slot is radially provided with along explosionproof hole on liquid injection hole buckle.
Further, the quantity of through slot is multiple, and the angle between each through slot is equal.
Further, base station, liquid injection hole buckle and cover board are adopted and are formed from aluminium.
It is using above-mentioned further beneficial effect: later period base station and cover board is facilitated to carry out laser welding.
Further, it is recessed inwardly among explosion rupture disk.
It is using above-mentioned further beneficial effect: if failure conditions, the gas of generation occur in use for battery
First recess in explosion rupture disk can be jacked up upwards, to improve explosion rupture disk highest proof pressure.
Further, explosion-proof valve further includes screening glass, and screening glass is located at the top of explosion rupture disk, and closes off the upper end of explosionproof hole
Opening.
It is using above-mentioned further beneficial effect: isolation dust and corrosive substance can be played in battery use process
Effect, improve the durability of explosion rupture disk.
Further, explosion-proof valve further includes seal gasket, and on base station, base station is buckled and covered by liquid injection hole sealant cushion cover
Seal gasket is close to the outer surface of cover board during plate phase clamping.
It is using above-mentioned further beneficial effect: being capable of effective lift-off seal performance.
A kind of battery, including battery cap fluid injection blast resistance construction.
Be using above-mentioned further beneficial effect: battery security is high, is conducive to battery towards lightness and miniaturization hair
Exhibition.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of battery cap fluid injection blast resistance construction described in the utility model；
Fig. 2 is the partial structure diagram of explosion-proof valve described in the utility model.
In attached drawing, parts list represented by the reference numerals are as follows:
1, cover board, 110, liquid injection hole, 120, annular groove, 2, explosion-proof valve, 210, base station, 211, liquid injection hole buckle, 212, explosion-proof
Hole, 213, bayonet inclined-plane, 220, explosion rupture disk, 230, screening glass, 240, seal gasket.
Specific embodiment
The principles of the present invention and feature are described below in conjunction with attached drawing, example is served only for explaining that this is practical
It is novel, it is not intended to limit the scope of the utility model.
Embodiment 1
As shown in Figure 1 and Figure 2, a kind of battery cap fluid injection blast resistance construction, including cover board 1 and explosion-proof valve 2, cover board 1 are equipped with
Liquid injection hole 110, explosion-proof valve 2 close off liquid injection hole 110.
In the present embodiment, above scheme can also further be optimized, specific as follows:
Explosion-proof valve 2 includes base station 210 and explosion rupture disk 220, and 210 lower end of base station is inserted into liquid injection hole 110, base station 210
Lower end is equipped with so that its (base station 210) and the liquid injection hole of 1 phase clamping of cover board buckle 211, and base station 210, which is equipped with, runs through base station 210
The explosionproof hole 212 of upper and lower end face, explosion rupture disk 220 are arranged in explosionproof hole 212.
The bayonet inclined-plane 213 to match with explosion rupture disk 220 is equipped in explosionproof hole 212 in the installation place of explosion rupture disk 220, it is convenient
Explosion rupture disk 220 and base station 210 weld.Liquid injection hole buckle 211 section configuration be it is trapezoidal, facilitate base station 210 to squeeze into liquid injection hole 110
It is interior, and liquid injection hole buckles 211 tail portion platforms and base station 210 can be stuck on cover board 1, and base station 210 is made to combine closely with cover board 1.
Along the through slot that is radially provided with of explosionproof hole 212 on liquid injection hole buckle 211, the quantity of through slot be it is multiple, be specifically as follows
Two, three, four, five etc., the angle between each through slot is equal, and the setting of multiple through slots is so that liquid injection hole buckles 211 quilts
It is divided into multi-clove type, the liquid injection hole buckle 211 of multi-clove type structure is easier to snap onto liquid injection hole 110.
Base station 210 and liquid injection hole buckle 211 are made of identical materials, and base station 210 and liquid injection hole buckle 211 using with
The similar or identical material of 1 material of cover board is made, and under normal circumstances, cover board 1, which is adopted, is formed from aluminium, therefore, base station 210 and liquid injection hole
Buckle 211, which is adopted, to be formed from aluminium so that it is convenient to which later period base station 210 and cover board 1 carry out laser welding.
Be recessed inwardly among explosion rupture disk 220, if failure conditions occur in use for battery, the gas of generation can first by
Recess jacks up upwards in explosion rupture disk 220, to improve 220 highest proof pressure of explosion rupture disk.
Explosion-proof valve 2 further includes screening glass 230, and screening glass 230 is arranged in explosionproof hole 212, and screening glass 230 is positioned at explosion-proof
The top of piece 220, and the upper end opening of explosionproof hole 212 is closed off, screening glass 230 is made of PVC material, is used in battery
Cheng Zhongke plays the role of completely cutting off dust and corrosive substance, improves the durability of explosion rupture disk 220.
Explosion-proof valve 2 further includes seal gasket 240,240 sets of seal gasket on base station 210, base station 210 passes through liquid injection hole card
Button 211 is close to the outer surface of cover board 1 with seal gasket 240 during 1 phase clamping of cover board, and 240 material of seal gasket is corrosion resistant
Rubber is lost, in order to guarantee enough leakproofness, is equipped with and 240 phase of seal gasket at 110 upper end opening of liquid injection hole on cover board 1
The annular groove 120 matched, seal gasket 240 is pressed in ring during explosion-proof valve 2 buckles 211 with 1 phase clamping of cover board by liquid injection hole
In slot 120.
In the present invention, in the case where 212 size constancy of explosionproof hole, due to the effect of explosion-proof valve 2, so that currently
110 aperture of liquid injection hole is increased compared with the prior art, and the increase in 110 aperture of liquid injection hole is conducive to moisture in baking process battery core
The fluid injection efficiency for baking out and improving injection process, liquid injection hole 110 be embedded in explosion-proof valve 2 before need to swash liquid injection hole 110
Light cleaning prevents electrolyte residues from influencing the sealing of explosion-proof valve 2 and welding effect.
Embodiment 2
A kind of battery, including above-mentioned battery cap fluid injection blast resistance construction.
Although the embodiments of the present invention have been shown and described above, it is to be understood that above-described embodiment is
Illustratively, it should not be understood as limiting the present invention, those skilled in the art are in the scope of the utility model
Inside it can make changes, modifications, alterations, and variations to the above described embodiments.
Claims (10)
1. a kind of battery cap fluid injection blast resistance construction, which is characterized in that including cover board (1) and explosion-proof valve (2), the cover board (1)
It is equipped with liquid injection hole (110), the explosion-proof valve (2) closes off the liquid injection hole (110)；The explosion-proof valve (2) includes base station
(210) and explosion rupture disk (220), base station (210) lower end is inserted into the liquid injection hole (110), under the base station (210)
End is equipped with so that the liquid injection hole of itself and cover board (1) phase clamping buckles (211), and the base station (210), which is equipped with, runs through base station (210)
The explosionproof hole (212) of upper and lower end face, explosion rupture disk (220) setting is in the explosionproof hole (212).
2. a kind of battery cap fluid injection blast resistance construction according to claim 1, which is characterized in that the explosionproof hole (212)
The installation place of the inherent explosion rupture disk (220) is equipped with the bayonet inclined-plane (213) to match with explosion rupture disk (220).
3. a kind of battery cap fluid injection blast resistance construction according to claim 1, which is characterized in that the liquid injection hole buckle
(211) section configuration is trapezoidal.
4. a kind of battery cap fluid injection blast resistance construction according to claim 1, which is characterized in that the liquid injection hole buckle
(211) through slot is radially provided with along explosionproof hole (212) on.
5. a kind of battery cap fluid injection blast resistance construction according to claim 4, which is characterized in that the quantity of the through slot is
Multiple, the angle between each through slot is equal.
6. a kind of battery cap fluid injection blast resistance construction according to claim 1-5, which is characterized in that the base station
(210), the liquid injection hole buckle (211) and the cover board (1) are adopted and are formed from aluminium.
7. a kind of battery cap fluid injection blast resistance construction according to claim 1-5, which is characterized in that described explosion-proof
It is recessed inwardly among piece (220).
8. a kind of battery cap fluid injection blast resistance construction according to claim 1-5, which is characterized in that described explosion-proof
Valve (2) further includes screening glass (230), and the screening glass (230) is located at the top of the explosion rupture disk (220), and is closed off described
The upper end opening of explosionproof hole (212).
9. a kind of battery cap fluid injection blast resistance construction according to claim 1-5, which is characterized in that described explosion-proof
Valve (2) further includes seal gasket (240), and the seal gasket (240) covers on the base station (210), and the base station (210) is logical
Cross the outer surface that liquid injection hole buckle (211) is close to cover board (1) with the seal gasket (240) during cover board (1) phase clamping.
10. a kind of battery, which is characterized in that including the battery cap fluid injection blast resistance construction as described in claim any one of 1-9.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920081351.8U CN209472005U (en) | 2019-01-17 | 2019-01-17 | A kind of battery cap fluid injection blast resistance construction and battery |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920081351.8U CN209472005U (en) | 2019-01-17 | 2019-01-17 | A kind of battery cap fluid injection blast resistance construction and battery |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209472005U true CN209472005U (en) | 2019-10-08 |
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ID=68092540
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
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| CN201920081351.8U Active CN209472005U (en) | 2019-01-17 | 2019-01-17 | A kind of battery cap fluid injection blast resistance construction and battery |
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| Country | Link |
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| CN (1) | CN209472005U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112713337A (en) * | 2020-12-25 | 2021-04-27 | 珠海冠宇电池股份有限公司 | Battery shell, welding method thereof and battery |
| WO2022047788A1 (en) * | 2020-09-07 | 2022-03-10 | 宁德时代新能源科技股份有限公司 | End cover assembly, housing assembly, battery cell, battery, and powered device |
| CN115332719A (en) * | 2022-10-12 | 2022-11-11 | 深圳海润新能源科技有限公司 | Top cover assembly, battery and preparation method of battery |
-
2019
- 2019-01-17 CN CN201920081351.8U patent/CN209472005U/en active Active
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2022047788A1 (en) * | 2020-09-07 | 2022-03-10 | 宁德时代新能源科技股份有限公司 | End cover assembly, housing assembly, battery cell, battery, and powered device |
| CN112713337A (en) * | 2020-12-25 | 2021-04-27 | 珠海冠宇电池股份有限公司 | Battery shell, welding method thereof and battery |
| CN115332719A (en) * | 2022-10-12 | 2022-11-11 | 深圳海润新能源科技有限公司 | Top cover assembly, battery and preparation method of battery |
| CN115332719B (en) * | 2022-10-12 | 2023-08-04 | 深圳海辰储能控制技术有限公司 | Top cover assembly, battery and preparation method of battery |
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