CN207852780U - A kind of explosion-proof lithium battery - Google Patents
A kind of explosion-proof lithium battery Download PDFInfo
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- CN207852780U CN207852780U CN201820088860.9U CN201820088860U CN207852780U CN 207852780 U CN207852780 U CN 207852780U CN 201820088860 U CN201820088860 U CN 201820088860U CN 207852780 U CN207852780 U CN 207852780U
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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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Abstract
The utility model discloses a kind of explosion-proof lithium batteries, are related to technical field of lithium batteries.The explosion-proof lithium battery, including battery case, battery cover board, shape for hat Explosion-proof cap, insulation board, explosion-proof diaphragm and concave rupture pressure disc, the lithium battery is not only equipped with explosion-proof diaphragm and concave rupture pressure disc in the explosion-proof through-hole at battery cover board center, and cover one layer of explosion-proof layer in shape for hat Explosion-proof cap outer layer, lithium battery interior gas pressure has been buffered, the explosion-proof performance of lithium battery is improved；The utility model is equipped with heat-conducting layer between battery case and heat-sink shell, adsorbs inside battery heat by heat-sink shell, and by heat-conducting layer reduce internal heat, improve heat dissipation performance heat derives to battery case.
Description
Technical field
The utility model belongs to technical field of lithium batteries more particularly to a kind of explosion-proof lithium battery.
Background technology
Lithium battery has become portable due to the advantages that its is light-weight, small, charging rate is fast and capacitance is big
The preferred battery of electronic product.Lithium battery capacity density is high, price is competitive, it is contemplated that the coming years will be the market mainstream.
But lithium battery but hides always the danger of explosion.Operating current is easily led to when lithium battery overcharges, mistake is put or internal short-circuit
Excessive, internal temperature of battery gradually rises, and generates the gas of high temperature and pressure and expands, the pressure and temperature inside battery case
When the range that can bear more than shell, shell is easily burst, and is caused internal flammable and explosive substance to leak, is further caused quick-fried
The serious accidents such as fried or fire, can not ensure the safety used.
Utility model content
In view of the deficiencies of the prior art, the utility model provides a kind of explosion-proof lithium battery.
The utility model is to solve above-mentioned technical problem by the following technical solutions：A kind of explosion-proof lithium battery, packet
Include battery case, battery cover board, shape for hat Explosion-proof cap, insulation board, explosion-proof diaphragm and concave rupture pressure disc；The battery cover board setting
On the battery case, and the center of battery cover board is equipped with explosion-proof through-hole；It is solid successively from top to bottom in the explosion-proof through-hole
Surely ring type seal, insulation board and explosion-proof diaphragm are equipped with；It is equipped with continuous guide groove in the inside of the ring type seal, it is described
Concave rupture pressure disc is fixed in the guide groove；The explosion-proof diaphragm is carried out by the limit protrusion of the explosion-proof via bottoms setting
It is fixed；The shape for hat Explosion-proof cap is arranged on the battery cover board, and covers the explosion-proof through-hole；In the shape for hat Explosion-proof cap
Outer layer covers one layer of explosion-proof layer, and one layer of buffer layer is covered on the explosion-proof layer；At least provided with two on the shape for hat Explosion-proof cap
A discharge orifice；It is equipped with continuous heat-sink shell in the medial surface of the battery case.
Further, the insulation board is the platy structure made of dielectric resin material.
Further, the concave rupture pressure disc be centre be recessed inwardly, edge plane shape structure, be equipped in edge plane
Multiple ventholes；The multiple venthole is distributed in a ring.
Further, the buffer layer is metal or thin layer of metal oxide, plays aerial drainage cushioning effect.
Further, the limit protrusion is continuous annular protrusion.
Further, the heat-sink shell is the organic coating with heat absorption capacity.
Further, the explosion-proof layer is made of explosion-proof metallic film material.
Further, the battery case is alumal material or steel alloy material.
Further, heat-conducting layer is equipped between the battery case and heat-sink shell, the heat-conducting layer is graphite linings, and graphite is
Highly heat-conductive material improves the heat dissipation performance of lithium battery interior.
Compared with prior art, explosion-proof lithium battery provided by the utility model, including battery case, battery cover board, cap
Type Explosion-proof cap, insulation board, explosion-proof diaphragm and concave rupture pressure disc, the lithium battery is not only in the explosion-proof through-hole at battery cover board center
One layer of explosion-proof layer is covered equipped with explosion-proof diaphragm and concave rupture pressure disc, and in shape for hat Explosion-proof cap outer layer, has buffered lithium battery interior
Gas pressure improves the explosion-proof performance of lithium battery；The utility model is equipped with heat-conducting layer between battery case and heat-sink shell, leads to
Heat-sink shell absorption inside battery heat is crossed, and heat derives to battery case are reduced internal heat, improved by heat-conducting layer
Heat dissipation performance.
Description of the drawings
It, below will be to needed in embodiment description in order to illustrate more clearly of the technical solution of the utility model
Attached drawing is briefly described, it should be apparent that, the accompanying drawings in the following description is only one embodiment of the utility model, for
For those of ordinary skill in the art, without creative efforts, other are can also be obtained according to these attached drawings
Attached drawing.
Fig. 1 is a kind of structural schematic diagram of explosion-proof lithium battery of the utility model；
Wherein：1- shape for hat Explosion-proof caps, 2- battery cover boards, 3- battery cases, 4- heat-sink shells, the explosion-proof diaphragms of 5-, 6- buffer layers,
7- explosion-proof layers, 8- ring type seals, 9- concave rupture pressure discs, 10- insulation boards, 11- limit protrusions, 12- discharge orifices.
Specific implementation mode
With reference to the attached drawing in the utility model embodiment, to this implement it is novel in technical solution carry out it is clear, complete
Site preparation describes, it is clear that the described embodiments are only a part of the embodiments of the utility model, instead of all the embodiments.
Based on the embodiments of the present invention, those of ordinary skill in the art are obtained under the premise of not making creative work
Every other embodiment, shall fall within the protection scope of the present invention.
As shown in Figure 1, a kind of explosion-proof lithium battery provided by the utility model, including battery case 3, battery cover board 2, cap
Type Explosion-proof cap 1, insulation board 10, explosion-proof diaphragm 5 and concave rupture pressure disc 9；Battery cover board 2 is arranged on battery case 3, and battery
The center of cover board 2 is equipped with explosion-proof through-hole；It is fixed with ring type seal 8, insulation board 10 successively from top to bottom in explosion-proof through-hole
And explosion-proof diaphragm 5；It is equipped with continuous guide groove in the inside of ring type seal 8, concave rupture pressure disc 9 is fixed in guide groove；It is explosion-proof
The limit protrusion 11 that diaphragm 5 is arranged by explosion-proof via bottoms is fixed；Shape for hat Explosion-proof cap 1 is arranged on battery cover board 2, and
Cover explosion-proof through-hole；One layer of explosion-proof layer 7 is covered in the outer layer of shape for hat Explosion-proof cap 1, one layer of buffer layer 6 is covered on explosion-proof layer 7；
At least provided with two discharge orifices 12 on shape for hat Explosion-proof cap 1；It is equipped with continuous heat-sink shell 4 in the medial surface of battery case 3.
Insulation board 10 is the platy structure made of dielectric resin material.
Concave rupture pressure disc 9 be centre be recessed inwardly, edge plane shape structure, in edge plane be equipped with multiple ventholes；
Multiple ventholes are distributed in a ring.
Buffer layer 6 is metal or thin layer of metal oxide, plays aerial drainage cushioning effect.
Limit protrusion 11 is continuous annular protrusion.
Heat-sink shell 4 is the organic coating with heat absorption capacity.
Explosion-proof layer 7 is made of explosion-proof metallic film material.
Battery case 3 is alumal material.
Heat-conducting layer is equipped between battery case 3 and heat-sink shell 4, heat-conducting layer is graphite linings, and graphite is highly heat-conductive material, is improved
The heat dissipation performance of lithium battery interior.
Above disclosed is only specific embodiment of the present utility model, but the scope of protection of the utility model not office
It is limited to this, any one skilled in the art within the technical scope disclosed by the utility model, can readily occur in change
Change or modification, should be covered within the scope of the utility model.
Claims (9)
1. a kind of explosion-proof lithium battery, it is characterised in that：Including battery case, battery cover board, shape for hat Explosion-proof cap, insulation board, explosion-proof
Diaphragm and concave rupture pressure disc；The battery cover board is arranged on the battery case, and the center of battery cover board is equipped with explosion-proof
Through-hole；It is fixed with ring type seal, insulation board and explosion-proof diaphragm successively from top to bottom in the explosion-proof through-hole；Described
The inside of ring type seal is equipped with continuous guide groove, and the concave rupture pressure disc is fixed in the guide groove；The explosion-proof diaphragm is logical
The limit protrusion for crossing the explosion-proof via bottoms setting is fixed；The shape for hat Explosion-proof cap is arranged on the battery cover board,
And the covering explosion-proof through-hole；One layer of explosion-proof layer is covered in the outer layer of the shape for hat Explosion-proof cap, one is covered on the explosion-proof layer
Layer buffer layer；At least provided with two discharge orifices on the shape for hat Explosion-proof cap；It is equipped in the medial surface of the battery case continuous
Heat-sink shell.
2. explosion-proof lithium battery as described in claim 1, it is characterised in that：The insulation board is made of dielectric resin material
Platy structure.
3. explosion-proof lithium battery as described in claim 1, it is characterised in that：The concave rupture pressure disc be centre be recessed inwardly, side
Edge planar structure is equipped with multiple ventholes in edge plane；The multiple venthole is distributed in a ring.
4. explosion-proof lithium battery as described in claim 1, it is characterised in that：The buffer layer is that metal or metal oxide are thin
Layer.
5. explosion-proof lithium battery as described in claim 1, it is characterised in that：The limit protrusion is continuous annular protrusion.
6. explosion-proof lithium battery as described in claim 1, it is characterised in that：The heat-sink shell is organic painting with heat absorption capacity
Layer.
7. explosion-proof lithium battery as described in claim 1, it is characterised in that：The explosion-proof layer is by explosion-proof metallic film material system
At.
8. explosion-proof lithium battery as described in claim 1, it is characterised in that：The battery case is that alumal material or steel close
Golden material.
9. explosion-proof lithium battery as described in claim 1, it is characterised in that：Heat conduction is equipped between the battery case and heat-sink shell
Layer, the heat-conducting layer are graphite linings.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820088860.9U CN207852780U (en) | 2018-01-19 | 2018-01-19 | A kind of explosion-proof lithium battery |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820088860.9U CN207852780U (en) | 2018-01-19 | 2018-01-19 | A kind of explosion-proof lithium battery |
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| Publication Number | Publication Date |
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| CN207852780U true CN207852780U (en) | 2018-09-11 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820088860.9U Active CN207852780U (en) | 2018-01-19 | 2018-01-19 | A kind of explosion-proof lithium battery |
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| Country | Link |
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| CN (1) | CN207852780U (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109786588A (en) * | 2018-12-17 | 2019-05-21 | 湖南艾华集团股份有限公司 | A kind of explosion-proof type lithium battery |
| CN110492119A (en) * | 2019-08-14 | 2019-11-22 | 润远建设发展有限公司 | A kind of explosion-proof type lithium battery of perfect heat-dissipating |
| CN110546782A (en) * | 2017-11-17 | 2019-12-06 | 株式会社Lg化学 | Secondary battery |
| CN113422149A (en) * | 2021-04-30 | 2021-09-21 | 广西阳升新能源有限公司 | Lithium iron phosphate battery system with high energy and explosion-proof functions |
-
2018
- 2018-01-19 CN CN201820088860.9U patent/CN207852780U/en active Active
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110546782A (en) * | 2017-11-17 | 2019-12-06 | 株式会社Lg化学 | Secondary battery |
| US11171384B2 (en) | 2017-11-17 | 2021-11-09 | Lg Chem, Ltd. | Secondary battery |
| CN110546782B (en) * | 2017-11-17 | 2022-04-29 | 株式会社Lg化学 | Secondary battery |
| CN109786588A (en) * | 2018-12-17 | 2019-05-21 | 湖南艾华集团股份有限公司 | A kind of explosion-proof type lithium battery |
| CN110492119A (en) * | 2019-08-14 | 2019-11-22 | 润远建设发展有限公司 | A kind of explosion-proof type lithium battery of perfect heat-dissipating |
| CN113422149A (en) * | 2021-04-30 | 2021-09-21 | 广西阳升新能源有限公司 | Lithium iron phosphate battery system with high energy and explosion-proof functions |
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