CN109599522A - A kind of anti-explosion cover plate of power battery - Google Patents
A kind of anti-explosion cover plate of power battery Download PDFInfo
- Publication number
- CN109599522A CN109599522A CN201811514298.2A CN201811514298A CN109599522A CN 109599522 A CN109599522 A CN 109599522A CN 201811514298 A CN201811514298 A CN 201811514298A CN 109599522 A CN109599522 A CN 109599522A
- Authority
- CN
- China
- Prior art keywords
- hole
- end cap
- row stomata
- pilot hole
- power battery
- Prior art date
- 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.)
- Pending
Links
Classifications
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M50/00—Constructional details or processes of manufacture of the non-active parts of electrochemical cells other than fuel cells, e.g. hybrid cells
- H01M50/30—Arrangements for facilitating escape of gases
- H01M50/342—Non-re-sealable arrangements
- H01M50/3425—Non-re-sealable arrangements in the form of rupturable membranes or weakened parts, e.g. pierced with the aid of a sharp member
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M2220/00—Batteries for particular applications
- H01M2220/20—Batteries in motive systems, e.g. vehicle, ship, plane
-
- 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
Landscapes
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Electrochemistry (AREA)
- General Chemical & Material Sciences (AREA)
- Gas Exhaust Devices For Batteries (AREA)
Abstract
The present invention relates to a kind of anti-explosion cover plate of power batteries, including end cap lid, the end cap lid is weldingly fixed on the upper end of battery case, bottom at the end cap cover center offers pilot hole, first row stomata is offered at the top of the end cap lid, the first rupture pressure disc is welded in the first row stomata upper end, piston valve core is connected in the pilot hole, first through hole is offered on the side wall of the pilot hole, the first through hole is sealed by piston valve core, the first through hole is connected by first exhaust passage with first row stomata, the piston valve core is connected in pilot hole by spring；The design has the advantages that structure is simple, easily fabricated and practical and efficient.
Description
Technical field
The present invention relates to power battery technology field, especially a kind of anti-explosion cover plate of power battery.
Background technique
Power battery is because have many advantages, such as that small in size, light-weight, electricity is strong, memoryless and environmentally protective, and as electricity
The battery of electrical automobile, electric bicycle, electric train and golf cart etc. is used widely.
To use power battery safely, power battery is equipped with explosionproof hole, the liquid injection hole and explosionproof hole point of existing power battery
It opens up and sets, complex process；To guarantee battery core leakproofness, battery core need to be after the completion of chemical conversion in fluid injection hole site ftercompction steel ball, but steel
Pearl can be shaken with battery and influence its leakproofness, and performance is unstable.
Summary of the invention
The present invention is opened up in end cap lid there are two gas vent, can be with when that can not be exhausted by first row stomata
It is exhausted by second row stomata, plays the role of improving the practicality energy；A kind of anti-explosion cover plate of power battery is provided.
In order to solve the above technical problems, structure of the invention includes end cap lid, and the end cap lid is welded and fixed
Bottom at the upper end of battery case, the end cap cover center offers pilot hole, the top of the end cap lid
First row stomata is offered, the first rupture pressure disc is welded in the first row stomata upper end, is lived in the pilot hole
It is dynamic to be connected with piston valve core, first through hole is offered on the side wall of the pilot hole, the first through hole passes through piston
Formula spool is sealed, and the first through hole is connected by first exhaust passage with first row stomata, the piston type
Spool is connected in pilot hole by spring.
Further, being also provided with the second through-hole on the inner wall of the pilot hole, second through-hole passes through piston type
Spool is sealed, and is also provided with second row stomata at the top of the end cap lid, in the upper end of the second row stomata
Also it is welded with the second rupture pressure disc, second through-hole is connected by second exhaust channel with the second second row stomata.
Further: first rupture pressure disc and the second rupture pressure disc is equipped with explosion indentation.
Further: the height of second through-hole is higher than the height of first through hole.
Further: threaded hole is offered at the top of the end cap lid, the threaded hole is connected with pilot hole,
Adjusting bolt is connected in the threaded hole, the adjusting bolt passes through threaded hole and is connected with adjustable plate, the adjusting
Plate is movably connected in pilot hole, and the piston valve core is connected by spring with adjustable plate.
Further: one end that the adjusting bolt protrudes into pilot hole is movably connected on adjustable plate.
After adopting the above structure, the present invention is opened up in end cap lid there are two gas vent, can not pass through first exhaust
Hole can be exhausted when being exhausted by second row stomata, play the role of improving the practicality energy；And the design
Also have the advantages that structure is simple, easily fabricated and practical and efficient.
Detailed description of the invention
The present invention will be further described in detail below with reference to the accompanying drawings and specific embodiments.
Fig. 1 is the structural diagram of the present invention.
Specific embodiment
A kind of anti-explosion cover plate of power battery as shown in Figure 1, including end cap lid 1, the end cap lid 1 are welded and fixed
Bottom at the upper end of battery case, 1 center of end cap lid offers pilot hole 2, the top of the end cap lid 1
Portion offers first row stomata 12, is welded with the first rupture pressure disc 13 in 12 upper end of first row stomata, described leads
It is connected with piston valve core 3 into hole 2, offers first through hole 7 on the side wall of the pilot hole 2, described first
Through-hole 7 is sealed by piston valve core 3, and the first through hole 7 passes through first exhaust passage 9 and 12 phase of first row stomata
Connection, the piston valve core 3 are connected in pilot hole 2 by spring 6.The design have structure it is simple, it is easily fabricated and
Practical and efficient advantage.
The second through-hole 8 is also provided on the inner wall of pilot hole 2 as shown in Figure 1, second through-hole 8 passes through piston type
Spool 3 is sealed, and the top of the end cap lid 1 is also provided with second row stomata 11, the second row stomata 11
Also the second rupture pressure disc 14 is welded in upper end, second through-hole 8 passes through second exhaust channel 10 and the second second row stomata
11 are connected.The present invention is opened up in end cap lid there are two gas vent, can when that can not be exhausted by first row stomata
To be exhausted by second row stomata, play the role of improving the practicality energy.
Above-mentioned the first rupture pressure disc 13 and the second rupture pressure disc 14 is equipped with explosion indentation, and the height of second through-hole is high
In the height of first through hole.
The top of end cap lid 1 as shown in Figure 1 offers threaded hole, and the threaded hole is connected with pilot hole, institute
It is connected in the threaded hole stated and adjusts bolt 5, the adjusting bolt 5 passes through threaded hole and is connected with adjustable plate 4, the adjusting
Plate 4 is movably connected in pilot hole, and the piston valve core 3 is connected by spring with adjustable plate 4, the adjusting bolt 5
One end in pilot hole is protruded into be movably connected on adjustable plate 4.
Claims (6)
1. a kind of anti-explosion cover plate of power battery, it is characterised in that: including end cap lid (1), end cap lid (1) welding is solid
It is scheduled on the upper end of battery case, the bottom at described end cap lid (1) center offers pilot hole (2), the end cap lid
It is offered at the top of body (1) first row stomata (12), it is explosion-proof to be welded with first in described first row stomata (12) upper end
Film (13), the pilot hole (2) is interior to be connected with piston valve core (3), is offered on the side wall of the pilot hole (2)
First through hole (7), the first through hole (7) are sealed by piston valve core (3), and the first through hole (7) passes through
First exhaust passage (9) is connected with first row stomata (12), and the piston valve core (3) is connected to by spring (6) and is led
Into hole (2).
2. a kind of anti-explosion cover plate of power battery according to claim 1, it is characterised in that: the pilot hole (2) it is interior
It is also provided on wall the second through-hole (8), second through-hole (8) is sealed by piston valve core (3), the end cap
It is also provided at the top of lid (1) second row stomata (11), is also welded with second in the upper end of the second row stomata (11)
Rupture pressure disc (14), second through-hole (8) are connected by second exhaust channel (10) with the second second row stomata (11).
3. a kind of anti-explosion cover plate of power battery according to claim 2, it is characterised in that: first rupture pressure disc (13)
Explosion indentation is equipped with the second rupture pressure disc (14).
4. a kind of anti-explosion cover plate of power battery according to claim 2, it is characterised in that: the height of second through-hole
Higher than the height of first through hole.
5. a kind of anti-explosion cover plate of power battery according to claim 1, it is characterised in that: the end cap lid (1)
Top offers threaded hole, and the threaded hole is connected with pilot hole, is connected in the threaded hole and adjusts bolt (5),
The adjusting bolt (5) passes through threaded hole and is connected with adjustable plate (4), and the adjustable plate (4) is movably connected in pilot hole,
The piston valve core (3) is connected by spring with adjustable plate (4).
6. a kind of anti-explosion cover plate of power battery according to claim 5, it is characterised in that: the adjusting bolt (5) is stretched
Enter one end in pilot hole to be movably connected on adjustable plate (4).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811514298.2A CN109599522A (en) | 2018-12-11 | 2018-12-11 | A kind of anti-explosion cover plate of power battery |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811514298.2A CN109599522A (en) | 2018-12-11 | 2018-12-11 | A kind of anti-explosion cover plate of power battery |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN109599522A true CN109599522A (en) | 2019-04-09 |
Family
ID=65961685
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811514298.2A Pending CN109599522A (en) | 2018-12-11 | 2018-12-11 | A kind of anti-explosion cover plate of power battery |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN109599522A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110993372A (en) * | 2019-12-10 | 2020-04-10 | 常秀菊 | Ultracapacitor system apron liquid feeding mechanism |
-
2018
- 2018-12-11 CN CN201811514298.2A patent/CN109599522A/en active Pending
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110993372A (en) * | 2019-12-10 | 2020-04-10 | 常秀菊 | Ultracapacitor system apron liquid feeding mechanism |
| CN110993372B (en) * | 2019-12-10 | 2021-08-27 | 合肥慧问机械设计有限公司 | Ultracapacitor system apron liquid feeding mechanism |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| WD01 | Invention patent application deemed withdrawn after publication | ||
| WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20190409 |