CN205211824U - Battery blast resistant construction - Google Patents
Battery blast resistant construction Download PDFInfo
- Publication number
- CN205211824U CN205211824U CN201521066903.6U CN201521066903U CN205211824U CN 205211824 U CN205211824 U CN 205211824U CN 201521066903 U CN201521066903 U CN 201521066903U CN 205211824 U CN205211824 U CN 205211824U
- Authority
- CN
- China
- Prior art keywords
- explosion
- ring
- valve body
- proof
- proof valve
- 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.)
- Active
Links
Classifications
-
- 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
Abstract
The utility model discloses a battery blast resistant construction, including the apron body, be equipped with the exhaust hole on the apron body, be equipped with cascaded explosion -proof valve body on the hole of exhausting, be equipped with rupture membrane and anti -explosion sealing ring on explosion -proof valve body, the rupture membrane superpose is in anti -explosion sealing ring is last and fix explosion -proof valve body on, it is equipped with the well clamping ring that compresses tightly anti -explosion sealing ring to mate on rupture membrane, be equipped with the lower seal pad at explosion -proof valve body lower extreme, the lower protection film that be equipped with separation electricity core and rupture membrane contact is stacked up in the lower seal, be equipped with the lower clamping ring that makes down protection film and lower seal pad combine closely under on the protection film, be equipped with the upper seal pad on well clamping ring, it is equipped with isolated rupture membrane and the external last protection film that contacts to stack up at the upper seal, be equipped with the last clamping ring of make going up protection film and upper seal pad and combining closely on last protection film. This kind of battery blast resistant construction overall structure is simple, low in production cost, and production simple process can be accurate detonating at the blasting within range of design, and the error is little, has improved the security performance of battery.
Description
Technical field
The utility model relates to cell art, is specifically related to a kind of battery anti-explosion structure.
Background technology
Present electronic product has spread all over industry-by-industry and field, is also the requirement of daily household.Along with the development of power technology, current electrokinetic cell has the advantage that volume is little, capacity is large, power is high, when the abnormality of the battery occurs, generally because the electric conducting material of inside battery produces chemical reaction, easily produce huge internal pressure at inside battery, now, if internal pressure cannot discharge in time, gathering to a certain extent, battery easily produces blast, brings danger.
In order to avoid the generation of battery explosion, generally can increase blast resistance construction on battery, but traditional explosion-proof valve body structure complexity, complex production process, cost are higher, the problems such as Initiation Pressure is inaccurate.
Utility model content
The utility model provides a kind of battery anti-explosion structure to solve the problems of the technologies described above, and this blast resistance construction solves that existing battery Initiation Pressure is inaccurate, complex structure, production cost high-technology problem.
A kind of battery anti-explosion structure, comprise cover board body, cover board body is provided with steam vent, steam vent is fixed with the explosion-proof valve body of staged, explosion-proof valve body is provided with rupture pressure disc and explosion-proof sealing ring, rupture pressure disc to be stacked on described explosion-proof sealing ring and to be fixed on described explosion-proof valve body, and on rupture pressure disc, coupling is provided with and compresses pressure ring in explosion-proof sealing ring.
Wherein, be provided with lower seal pad in explosion-proof valve body lower end, lower seal pad be provided with the lower diaphragm intercepting battery core and contact with rupture pressure disc, lower diaphragm is provided with the lower pressure ring that lower diaphragm and lower seal pad are combined closely.
Wherein, middle pressure ring is provided with sealing gasket, upper sealing gasket is provided with the upper protective film of isolated rupture pressure disc and extraneous contact, upper protective film is provided with the upper press ring that upper protective film and upper sealing gasket are combined closely.
Preferably, described lower diaphragm and upper protective film all adopt PP transparent material.
Preferably, the external diameter of described explosion-proof sealing ring, rupture pressure disc, middle pressure ring, upper sealing gasket, upper protective film, upper press ring is identical.
Preferably, the internal diameter of described explosion-proof sealing ring, middle pressure ring, upper sealing gasket, upper press ring is identical.
Preferably, described upper sealing gasket and lower seal pad all adopt polytetrafluoroethylmaterial material.
Preferably, described explosion-proof sealing ring adopts fluorubber material at high temperature injection moulding integrated molding.
Preferably, carry out punching press in the upper end of explosion-proof valve body, form attaching part.
Preferred further, described explosion-proof valve body is fixed by welding on described steam vent.
The utility model provides a kind of battery anti-explosion structure, and this battery anti-explosion structural entity structure is simple, and production cost is low, and production technology is simple, and accurately can detonate within the scope of the explosion of design, error is little, improves the security performance of battery.The setting of lower diaphragm, effectively can contact with battery core by Separated explosion-proof film, can effectively intercept the excessive of electrolyte, avoid rupture pressure disc to be subject to the corrosion of electrolyte; The setting of upper protective film, effectively can completely cut off the contact of rupture pressure disc and external environment condition, can available protecting rupture pressure disc by the impact of external factor; Upper protective film and lower diaphragm adopt PP transparent material, are convenient to observation and explosion-proof film situation; The coupling of explosion-proof sealing ring, rupture pressure disc, middle pressure ring, upper sealing gasket, upper protective film, upper press ring size is arranged, and can make the better tightness of whole battery anti-explosion structure, and rupture pressure disc is little by external interference factor, accurately can detonate in scope of design.
Accompanying drawing explanation
Fig. 1 the utility model cutting structural representation.
Reference numeral: cover board body 1; Steam vent 2; Explosion-proof valve body 3; Rupture pressure disc 4; Explosion-proof sealing ring 5; Middle pressure ring 6; Lower seal pad 7; Lower diaphragm 8; Lower pressure ring 9; Upper sealing gasket 10; Upper protective film 11; Upper press ring 12; Tread 1; Riser 1; Tread 2 33; Riser 2 34; Attaching part 35.
Embodiment
In order to allow those skilled in the art understand the technical solution of the utility model better, below the utility model is further elaborated.
As shown in Figure 1, the utility model is a kind of battery anti-explosion structure, comprise cover board body 1, cover board body is provided with steam vent 2, steam vent is fixed with explosion-proof valve body 3, explosion-proof valve body 3 by laser welding on the steam vent of cover board body, explosion-proof valve body 3 adopts stepped construction, explosion-proof valve body 3 comprises two treads and two risers, be specially tread 1, riser 1, tread 2 33, riser 2 34, tread 1, riser 1, tread 2 33, riser 2 34 successively head and the tail connects, attaching part 35 is provided with in riser two upper end of explosion-proof valve body, described tread 1, riser 1, tread 2 33 and riser 2 34 are formed in one structure.Explosion-proof valve body 3 plays support in whole blast resistance construction, and all accessories are positioned connection.The tread two of explosion-proof valve body is provided with rupture pressure disc 4 and explosion-proof sealing ring 5, rupture pressure disc to be stacked on described explosion-proof sealing ring and to be fixed on described explosion-proof valve body tread two, on rupture pressure disc, coupling is provided with and compresses pressure ring 6 in explosion-proof sealing ring, riser two interference fit of middle pressure ring and explosion-proof valve body, explosion-proof sealing ring 5 is by fluorubber material at high temperature injection moulding integrated molding.The thickness of described rupture pressure disc is 0.018-0.022MM, and the rupture pressure disc of this structure can ensure that the fluctuation range of explosion-proof pressure is very little, thus ensures the fail safe of battery structure, and ability ignites blast resistance construction at a particular pressure.
In explosion-proof valve body lower end, namely the tread one of explosion-proof valve body is provided with lower seal pad 7, lower seal pad is provided with the lower diaphragm 8 intercepting battery core and contact with rupture pressure disc, lower diaphragm is provided with the lower pressure ring 9 that lower diaphragm and lower seal pad are combined closely, the setting of lower diaphragm, can effectively be connected with battery core by Separated explosion-proof film, can effectively intercept the excessive of electrolyte, rupture pressure disc is avoided to be subject to the corrosion of electrolyte, , the external diameter of lower pressure ring and the internal diameter of explosion-proof valve body riser one match, both form interference fit, under the effect of lower pressure ring, effectively can ensure that lower diaphragm and lower seal pad are combined closely.
Middle pressure ring is provided with sealing gasket 10, upper sealing gasket is provided with the upper protective film 11 of isolated rupture pressure disc and extraneous contact, upper protective film is provided with the upper press ring 12 that upper protective film and upper sealing gasket are combined closely.The setting of upper protective film, effectively can completely cut off the contact of rupture pressure disc and external environment condition, avoid rupture pressure disc to be subject to the destruction of extraneous factor.Lower diaphragm 8 and upper protective film 11 all adopt PP transparent material, and upper sealing gasket 10 and lower seal pad 7 all adopt polytetrafluoroethylmaterial material.The external diameter of described explosion-proof sealing ring 5, rupture pressure disc 4, middle pressure ring 6, upper sealing gasket 10, upper protective film 11, upper press ring 12 is identical; the internal diameter of described explosion-proof sealing ring 5, middle pressure ring 6, upper sealing gasket 10, upper press ring 12 is identical, riser two interference fit of upper press ring and explosion-proof valve body.
Concrete assembling mode of the present utility model is: be first welded on cover board body by explosion-proof valve body, the tread one of the explosion-proof valve body welded puts down lower seal pad, lower diaphragm put into by lower seal pad, then is pressed on lower diaphragm by lower pressure ring; Then on the tread two of explosion-proof valve body, explosion-proof sealing ring, rupture pressure disc, middle pressure ring is loaded successively; Sealing gasket, upper protective film and upper press ring on finally loading successively on middle pressure ring, and to the blast resistance construction upper surface assembled, namely punching press is carried out in riser two upper end, forms attaching part, makes each accessory after compression keep intimate-association state.
The utility model provides a kind of battery anti-explosion structure, and this battery anti-explosion structural entity structure is simple, and production cost is low, and production technology is simple, and accurately can detonate within the scope of the explosion of design, error is little, improves the security performance of battery.The setting of lower diaphragm, effectively can contact with battery core by Separated explosion-proof film, can effectively intercept the excessive of electrolyte, avoid rupture pressure disc to be subject to the corrosion of electrolyte; The setting of upper protective film, effectively can completely cut off the contact of rupture pressure disc and external environment condition, can available protecting rupture pressure disc by the impact of external factor; Upper protective film and lower diaphragm adopt PP transparent material, are convenient to observation and explosion-proof film situation; The coupling of explosion-proof sealing ring, rupture pressure disc, middle pressure ring, upper sealing gasket, upper protective film, upper press ring size is arranged, and can make the better tightness of whole battery anti-explosion structure, and rupture pressure disc is little by external interference factor, accurately can detonate in scope of design.
It is more than the utility model preferably implementation; it should be noted that; when not deviating from the utility model spirit and essence thereof; those of ordinary skill in the art are when making various corresponding change and distortion according to the utility model, but these change and are out of shape the protection range that all should belong to the claim appended by the utility model.
Claims (10)
1. a battery anti-explosion structure, comprise cover board body (1), cover board body is provided with steam vent (2), it is characterized in that: on steam vent, be fixed with the explosion-proof valve body of staged (3), explosion-proof valve body is provided with rupture pressure disc (4) and explosion-proof sealing ring (5), rupture pressure disc to be stacked on described explosion-proof sealing ring and to be fixed on described explosion-proof valve body, and on rupture pressure disc, coupling is provided with and compresses pressure ring (6) in explosion-proof sealing ring.
2. battery anti-explosion structure according to claim 1; it is characterized in that: be provided with lower seal pad (7) in explosion-proof valve body lower end; lower seal pad is provided with the lower diaphragm (8) intercepting battery core and contact with rupture pressure disc, lower diaphragm is provided with the lower pressure ring (9) that lower diaphragm and lower seal pad are combined closely.
3. battery anti-explosion structure according to claim 2; it is characterized in that: on middle pressure ring, be provided with sealing gasket (10); upper sealing gasket is provided with the upper protective film (11) of isolated rupture pressure disc and extraneous contact, upper protective film is provided with the upper press ring (12) that upper protective film and upper sealing gasket are combined closely.
4. battery anti-explosion structure according to claim 3, is characterized in that: described lower diaphragm (8) and upper protective film (11) all adopt PP transparent material.
5. battery anti-explosion structure according to claim 4, is characterized in that: the external diameter of described explosion-proof sealing ring (5), rupture pressure disc (4), middle pressure ring (6), upper sealing gasket (10), upper protective film (11), upper press ring (12) is identical.
6. battery anti-explosion structure according to claim 5, is characterized in that: the internal diameter of described explosion-proof sealing ring (5), middle pressure ring (6), upper sealing gasket (10), upper press ring (12) is identical.
7. battery anti-explosion structure according to claim 6, is characterized in that: described upper sealing gasket (10) and lower seal pad (7) all adopt polytetrafluoroethylmaterial material.
8. the battery anti-explosion structure according to any one of claim 1-7, is characterized in that: described explosion-proof sealing ring (5) adopts fluorubber material at high temperature injection moulding integrated molding.
9. battery anti-explosion structure according to claim 8, is characterized in that: carry out punching press in the upper end of explosion-proof valve body, forms attaching part (35).
10. battery anti-explosion structure according to claim 9, is characterized in that: described explosion-proof valve body (3) is fixed by welding on described steam vent (2).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201521066903.6U CN205211824U (en) | 2015-12-21 | 2015-12-21 | Battery blast resistant construction |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201521066903.6U CN205211824U (en) | 2015-12-21 | 2015-12-21 | Battery blast resistant construction |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205211824U true CN205211824U (en) | 2016-05-04 |
Family
ID=55849523
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201521066903.6U Active CN205211824U (en) | 2015-12-21 | 2015-12-21 | Battery blast resistant construction |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205211824U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106949273A (en) * | 2017-03-21 | 2017-07-14 | 广东电网有限责任公司惠州供电局 | The protector and protection mechanism of SF6 equipment rupture pressure discs |
| CN113833985A (en) * | 2021-09-15 | 2021-12-24 | 杜红涛 | Explosion-proof assembly for pressure container |
-
2015
- 2015-12-21 CN CN201521066903.6U patent/CN205211824U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106949273A (en) * | 2017-03-21 | 2017-07-14 | 广东电网有限责任公司惠州供电局 | The protector and protection mechanism of SF6 equipment rupture pressure discs |
| CN113833985A (en) * | 2021-09-15 | 2021-12-24 | 杜红涛 | Explosion-proof assembly for pressure container |
| CN113833985B (en) * | 2021-09-15 | 2022-12-27 | 湖北弘仪电子科技股份有限公司 | Explosion-proof assembly for pressure container |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN105405991B (en) | A kind of preparation method of the battery cover board with blast resistance construction | |
| CN101847756B (en) | Girdled and sealed lithium ion battery with lead-out anode and cathode along same direction in cylindrical aluminum shell | |
| CN205211824U (en) | Battery blast resistant construction | |
| CN104716280A (en) | Cylindrical lithium ion battery cover plate, cylindrical lithium ion battery and production method of cylindrical lithium ion battery | |
| KR20190097238A (en) | Safe, high-energy USB rechargeable battery | |
| CN202019008U (en) | Explosion-proof cover plate of lithium battery | |
| CN104577204A (en) | Flexible package lithium-ion power battery formation device and method | |
| CN205542928U (en) | Novel cylinder lithium cell hangs down explosion -proof combined cover cap of internal resistance power type | |
| CN205177898U (en) | Take battery apron of blast resistant construction | |
| CN214043801U (en) | Pole with explosion-proof structure | |
| CN104091902A (en) | Disposable lithium-ion battery with heat-shrinkable plastic thin-film shell and manufacturing method thereof | |
| CN201233919Y (en) | Lithium ionic cell covering cap device | |
| CN202712307U (en) | Explosion-resistant combined cover of lithium ion battery | |
| CN201536119U (en) | Novel lithium cell cover board | |
| CN205177899U (en) | Take riveting formula battery apron of blast resistant construction | |
| CN105405992A (en) | Production method of explosion-proof structure of battery cover plate | |
| CN102104118B (en) | Sealing plate of high capacity and power lithium battery | |
| CN204391167U (en) | Cylindricality lithium ion battery | |
| CN204516810U (en) | Cylindricality lithium ion battery cover board | |
| CN206878047U (en) | A kind of band overcharges the lithium battery top cap plate of function | |
| CN201689941U (en) | Cylindrical aluminum casing waisted and sealed lithium ion battery with positive and negative electrodes led out in same direction | |
| CN201946658U (en) | Power battery anti-explosion valve and power battery | |
| CN206849922U (en) | Lithium battery explosion-resistant enclosure | |
| CN205177897U (en) | Take battery cover plate assembly of blast resistant construction | |
| CN203950843U (en) | The disposable lithium ion battery of a kind of heat shrinkable plastic film shell |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant |