CN207587819U - A kind of explosion-resistant enclosure of lithium battery - Google Patents
A kind of explosion-resistant enclosure of lithium battery Download PDFInfo
- Publication number
- CN207587819U CN207587819U CN201721465181.0U CN201721465181U CN207587819U CN 207587819 U CN207587819 U CN 207587819U CN 201721465181 U CN201721465181 U CN 201721465181U CN 207587819 U CN207587819 U CN 207587819U
- Authority
- CN
- China
- Prior art keywords
- explosion
- burst disk
- lithium battery
- proof
- proof cap
- 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.)
- Expired - Fee Related
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Classifications
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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
Abstract
The utility model discloses a kind of explosion-resistant enclosures of lithium battery, including explosion-proof cage, burst disk, lithium battery slot and explosion-proof cap, burst disk both ends are symmetrically arranged with holding section, card slot is provided in holding section, it is closely coupled by card slot between burst disk and explosion-proof cap, annular groove is offered below holding section, colloid is closely connected on annular groove, colloid side is connected with insulated ring, sealing ring is provided with below insulated ring, burst disk and explosion-proof cap inner face are attached with explosion-proof layer, lithium battery slot is provided between burst disk and explosion-proof cap, burst disk both ends are both provided with tapered protrusion, raised orifice plate is connected with below burst disk, relief hole is equidistantly provided on explosion-proof cap；The utility model is occurred unexpectedly by being provided with relief hole in battery, and explosion-proof cap can crack at relief hole, promptly can reliably discharge and drainage pressure, the unexpected danger of guarantee can stop immediately, improve the safety of the utility model.
Description
Technical field
The utility model is related to field of lithium, specially a kind of explosion-resistant enclosure of lithium battery.
Background technology
" lithium battery " be it is a kind of by lithium metal or lithium alloy be negative material, the battery using non-aqueous electrolytic solution.Mesh
Before, lithium battery is typically to be applied in combination by multi-series and parallel, in this way, the gross energy of battery is larger, there is single branch in charging process
The hidden danger that over-charging of battery or entire battery pack overcharge, and when lithium battery overcharges, cell voltage increases with polarization and rises rapidly,
Sharply increase battery temperature and internal pressure, there are the hidden danger such as explosion, burning.The safety of lithium battery causes the extensive pass of people
Note.In dynamic lithium battery design, in order to reduce battery Ohmic resistance, it is ensured that connector does not generate heat under high current, it is necessary to protect
The pad of explosion-proof hemisphere face aluminium film and lower plate in card block has enough areas, is thus unfavorable for as early as possible breaking during overcharge
Open safeguard protection effect.Therefore suitable pad area must be selected when preparing combination cover cap, had both played safe guarantor
Shield act on, and with enough areas meet power battery high current by needs.If internal temperature of battery has reached heat
During runaway condition, inner pressure of battery continues to rise, and battery cap rupture pressure disc will be broken through, and electric intracisternal material is sprayed with high pressure gas,
Also there is easy-to-leak liquid in existing explosion-proof cap.
Utility model content
The purpose of this utility model is to provide a kind of explosion-resistant enclosure of lithium battery, to solve to propose in above-mentioned background technology
The problem of.
To achieve the above object, the utility model provides following technical solution：A kind of explosion-resistant enclosure of lithium battery, including anti-
Quick-fried cage, burst disk, lithium battery slot and explosion-proof cap, burst disk both ends are symmetrically arranged with holding section, card are provided in holding section
Slot, it is closely coupled by card slot between burst disk and explosion-proof cap, annular groove is offered below holding section, annular groove tightens
Close to be connected with colloid, colloid side is connected with insulated ring, sealing ring, burst disk and explosion-proof cap inner end is provided with below insulated ring
Face is attached with explosion-proof layer, lithium battery slot is provided between burst disk and explosion-proof cap, it is convex that burst disk both ends are both provided with taper
It rises, is connected with raised orifice plate below burst disk, relief hole is equidistantly provided on explosion-proof cap.
Preferably, several explosionproof holes are provided on raised orifice plate, are easily installed Explosion-proof valve, and explosionproof hole can be passed through
Ventilation inside realization device ensures the practicability of the utility model.
Preferably, annular groove edge is set as dentation, and the passivated processing in surface, increasing friction force, make sealing ring, absolutely
It is even closer between edge circle and colloid to be connected.
Preferably, sealing ring is PP materials, increases the sealing effect of sealing ring.
Preferably, explosion-proof layer is made of polyurethane foam, and material is light, and explosion-proof effect is good, and at low cost.
Preferably, it is welded between burst disk and raised orifice plate, effect is tightly fastened between guarantee device.
Compared with prior art, the beneficial effects of the utility model are：
1st, the utility model is occurred unexpectedly, explosion-proof cap can be in pressure release by being provided with relief hole in battery
It cracks at hole, promptly can reliably discharge and drainage pressure, the unexpected danger of guarantee can stop immediately, reduce unnecessary peace
Full accident improves the safety of the utility model.
2nd, the utility model prevents interior metal explosion-proof cap and burst disk conductive, to inside by the insulated ring of setting
Lithium battery damages, and ensure that protective effect of the utility model to product to a certain extent, by the burst disk of setting and
Explosion-proof layer effectively prevents the danger of the lithium battery explosion in lithium battery slot, by the setting of sealing ring and colloid, effectively
The phenomenon that preventing battery leakage substantially increases the practicability of the utility model.
3. the utility model can be good at adapting to the shape of lithium battery by the tapered protrusion of setting, ensure explosion-proof cap
The confined space formed with burst disk can place an appropriate number of lithium battery, improve the practicability of the utility model.
Description of the drawings
Fig. 1 is the utility model overall structure diagram；
Fig. 2 is the utility model burst disk structure diagram；
Fig. 3 is the utility model explosion-proof cap cross-sectional view of the structure.
In figure：The explosion-proof cage of 1-；2- insulated rings；3- burst disks；4- protrusion orifice plates；5- sealing rings；6- colloids；7- engages
Portion；8- lithium battery slots；9- explosion-proof caps；10- annular grooves；11- tapered protrusions；12- card slots；13- explosion-proof layers；14- relief holes.
Specific embodiment
The following is a combination of the drawings in the embodiments of the present utility model, and the technical scheme in the embodiment of the utility model is carried out
It clearly and completely describes, it is clear that the described embodiments are only a part of the embodiments of the utility model rather than whole
Embodiment.Based on the embodiment in the utility model, those of ordinary skill in the art are without making creative work
All other embodiments obtained shall fall within the protection scope of the present invention.
- 3 are please referred to Fig.1, the utility model provides a kind of technical solution：A kind of explosion-resistant enclosure of lithium battery, including explosion-proof
Cage 1, burst disk 3, lithium battery slot 8 and explosion-proof cap 9,3 both ends of burst disk are symmetrically arranged with holding section 7, are set in holding section 7
There is card slot 12, closely coupled by card slot 12 between burst disk 3 and explosion-proof cap 9,7 lower section of holding section offers annular groove
10, colloid 6 is closely connected on annular groove 10,6 side of colloid is connected with insulated ring 2, and 2 lower section of insulated ring is provided with sealing ring
5, burst disk 3 and 9 inner face of explosion-proof cap are attached with explosion-proof layer 13, and lithium battery is provided between burst disk 3 and explosion-proof cap 9
Slot 8,3 both ends of burst disk are both provided with tapered protrusion 11, and 3 lower section of burst disk is connected with raised orifice plate 4, equidistant on explosion-proof cap 9
It is provided with relief hole 14.
Several explosionproof holes are provided on raised orifice plate 4, are easily installed Explosion-proof valve, and can realize and fill by explosionproof hole
Internal ventilation is put, ensures the practicability of the utility model, 10 edge of annular groove is set as dentation, and the passivated place in surface
Reason, increasing friction force, make between sealing ring 5, insulated ring 2 and colloid 6 it is even closer be connected, sealing ring 5 be PP materials, increase it is close
The sealing effect of seal 5, explosion-proof layer 13 are made of polyurethane foams, and material is light, and explosion-proof effect is good, and at low cost, burst disk 3
It is welded between raised orifice plate 4, effect is tightly fastened between guarantee device.
Operation principle：The utility model is a kind of explosion-resistant enclosure of lithium battery, and when use installs explosion-proof cage 1, then
Burst disk 3 and explosion-proof cap 9 are closely engaged by holding section 7 and card slot 12, form sealing space lithium battery slot 8, and explosion-proof
Cage 1 and raised orifice plate 4 fix lithium battery slot 8, several holes are provided on raised orifice plate 4 makes device internal temperature keep suitable
State by the close connection between sealing ring 5, annular groove 10 and colloid 6, prevents the lithium battery leakage in lithium battery slot 8,
The explosion of lithium battery is prevented by burst disk 3, explosion-proof layer 13.
While there has been shown and described that the embodiment of the utility model, for the ordinary skill in the art,
It is appreciated that can these embodiments be carried out with a variety of variations in the case of the principle and spirit for not departing from the utility model, repaiied
Change, replace and modification, the scope of the utility model are defined by the appended claims and the equivalents thereof.
Claims (6)
1. a kind of explosion-resistant enclosure of lithium battery, including explosion-proof cage (1), burst disk (3), lithium battery slot (8) and explosion-proof cap
(9), which is characterized in that burst disk (3) both ends are symmetrically arranged with holding section (7), and card slot (12) is provided in holding section (7), prevent
It is closely coupled by card slot (12) between quick-fried (3) and explosion-proof cap (9), annular groove (10) is offered below holding section (7),
Colloid (6) is closely connected on annular groove (10), colloid (6) side is connected with insulated ring (2), is set below insulated ring (2)
There is sealing ring (5), burst disk (3) and explosion-proof cap (9) inner face are attached with explosion-proof layer (13), burst disk (3) and Explosion-proof cap
Lithium battery slot (8) is provided between cap (9), burst disk (3) both ends are both provided with tapered protrusion (11), connect below burst disk (3)
Raised orifice plate (4) is connected to, relief hole (14) is equidistantly provided on explosion-proof cap (9).
2. a kind of explosion-resistant enclosure of lithium battery according to claim 1, it is characterised in that：It is provided on raised orifice plate (4)
Several explosionproof holes.
3. a kind of explosion-resistant enclosure of lithium battery according to claim 1, it is characterised in that：Annular groove (10) edge is set
For dentation, and the passivated processing in surface.
4. a kind of explosion-resistant enclosure of lithium battery according to claim 1, it is characterised in that：Sealing ring (5) is PP materials.
5. a kind of explosion-resistant enclosure of lithium battery according to claim 1, it is characterised in that：Explosion-proof layer (13) is polyurethane foam
Foam is made.
6. a kind of explosion-resistant enclosure of lithium battery according to claim 1, it is characterised in that：Burst disk (3) and raised orifice plate
(4) it is welded between.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721465181.0U CN207587819U (en) | 2017-11-06 | 2017-11-06 | A kind of explosion-resistant enclosure of lithium battery |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721465181.0U CN207587819U (en) | 2017-11-06 | 2017-11-06 | A kind of explosion-resistant enclosure of lithium battery |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207587819U true CN207587819U (en) | 2018-07-06 |
Family
ID=62731178
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721465181.0U Expired - Fee Related CN207587819U (en) | 2017-11-06 | 2017-11-06 | A kind of explosion-resistant enclosure of lithium battery |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207587819U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107799695A (en) * | 2017-11-06 | 2018-03-13 | 枣庄市盘古精密机械科技有限公司 | A kind of explosion-resistant enclosure of lithium battery |
| CN109148783A (en) * | 2018-10-11 | 2019-01-04 | 东莞市海拓伟电子科技有限公司 | A kind of explosion-proof type Notebook Battery |
| CN109538848A (en) * | 2018-12-30 | 2019-03-29 | 中裕软管科技股份有限公司 | A kind of Novel oil gas transmission high-pressure hose and preparation method thereof |
-
2017
- 2017-11-06 CN CN201721465181.0U patent/CN207587819U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107799695A (en) * | 2017-11-06 | 2018-03-13 | 枣庄市盘古精密机械科技有限公司 | A kind of explosion-resistant enclosure of lithium battery |
| CN109148783A (en) * | 2018-10-11 | 2019-01-04 | 东莞市海拓伟电子科技有限公司 | A kind of explosion-proof type Notebook Battery |
| CN109538848A (en) * | 2018-12-30 | 2019-03-29 | 中裕软管科技股份有限公司 | A kind of Novel oil gas transmission high-pressure hose and preparation method thereof |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| 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: 20180706 Termination date: 20211106 |