CN207818638U - A kind of explosion-proof lithium battery lamina tecti and anti-explosion safety lithium battery - Google Patents
A kind of explosion-proof lithium battery lamina tecti and anti-explosion safety lithium battery Download PDFInfo
- Publication number
- CN207818638U CN207818638U CN201721199109.8U CN201721199109U CN207818638U CN 207818638 U CN207818638 U CN 207818638U CN 201721199109 U CN201721199109 U CN 201721199109U CN 207818638 U CN207818638 U CN 207818638U
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- cathode
- explosion
- substrate
- top plate
- plastics
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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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- 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
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P70/00—Climate change mitigation technologies in the production process for final industrial or consumer products
- Y02P70/50—Manufacturing or production processes characterised by the final manufactured product
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- Gas Exhaust Devices For Batteries (AREA)
Abstract
A kind of explosion-proof lithium battery lamina tecti and anti-explosion safety lithium battery provided by the utility model, explosion-proof lithium battery lamina tecti includes substrate, top plate, plastics on cathode, plastics, cathode sealing ring, positive sealing ring, cathode pole, Positive Poles, cathode leader, positive leader, multistage explosion-protection equipment on anode；The top plate is fixed on substrate；The cathode pole sequentially passes through cathode sealing ring, substrate, top plate, plastics on cathode；The Positive Poles sequentially pass through positive sealing ring, substrate, top plate, plastics on anode；The cathode leader is fixed on cathode pole bottom, and the anode leader is fixed on Positive Poles bottom；The multistage explosion-protection equipment is set to the middle part of substrate, top plate；Upper rupture pressure disc, lancing device, the lower rupture pressure disc that the multistage explosion-protection equipment includes explosion-proof tank and is sequentially arranged in from top to bottom in explosion-proof tank.The lithium battery top cap plate is of low cost, easy to use, safe.
Description
Technical field
The utility model belongs to power battery field, more particularly to a kind of explosion-proof lithium battery lamina tecti and application.
Background technology
Currently, with increasingly miniaturization, lighting and the Portable belt of electronic product, such as video camera, notebook and hand
The driving power of machine etc., these electronic products also develops towards high power capacity, high security and the direction of lighting, lithium battery with
The good characteristics such as its high power capacity, are widely used in electronic product.Lithium battery includes shell, cover board and battery core etc., wherein
Battery core is placed in the inside of shell, and the upper end of shell has upper end opening, and cover board is then enclosed in the opening of the upper end of shell, then passes through
Pole on the cover board is formed, then lithium battery and external electronic component can be electrically connected, realize power supply.Lithium battery makes
Used time can generate abnormal gas due to the factors such as battery charger failure and excessive charging as inside battery chemically reacts, and lead to electricity
Pond internal pressure is excessive, to which battery explosion accident occur.However, the existing anti-overshoot safety cover plate of battery is there are poor reliability,
It is complicated under pressure-resistant range, the shortcomings such as processing request height.
There are certain drawbacks in existing lithium battery cover plate, cannot make electricity when battery capacity reaches saturation when in use
Pond internal break consumes electric energy, the gas that inside generates when cannot absorb battery overshoot, and cannot increase battery air tightness, difficult
To prevent ambient atmos from entering, battery explosion may be caused, user is damaged, bring during use it is certain not
Profit influences, for this purpose, it is proposed that a kind of safety cover plate for preventing lithium battery from overcharging.
Utility model content
Technical problem：In order to solve the defects of prior art, the utility model provides a kind of explosion-proof lithium battery lamina tecti.
Technical solution：A kind of explosion-proof lithium battery lamina tecti provided by the utility model, including moulded on substrate, top plate, cathode
Plastics, cathode sealing ring, positive sealing ring, cathode pole, Positive Poles, cathode leader, positive leader, multistage on material, anode
Explosion-protection equipment；The top plate is fixed on substrate；The cathode pole sequentially pass through cathode sealing ring, substrate, top plate, on cathode
Plastics；The Positive Poles sequentially pass through positive sealing ring, substrate, top plate, plastics on anode；The cathode leader is fixed on negative
Pole pole bottom, the anode leader are fixed on Positive Poles bottom；The multistage explosion-protection equipment is set in substrate, top plate
Portion；It is described multistage explosion-protection equipment include explosion-proof tank and be sequentially arranged in from top to bottom in explosion-proof tank upper rupture pressure disc, lancing device,
Lower rupture pressure disc；The lancing device includes a pair of deformation sheet connected by hot melt portion, and the deformation sheet includes fixed part and sticks up
The portion of rising, the fixed part are fixed between substrate, top plate, and the warping part upper surface is equipped with spine, lower surface on one group and is equipped with
Spine under one group.
As an improvement, be respectively equipped with screw thread in the cathode pole, Positive Poles, plastics on the cathode are moulded on anode
Material is equipped with the screw thread coordinated with cathode pole, Positive Poles.
As an improvement, the fixed part and warping part junction are equipped with lower groove.
The utility model additionally provides a kind of multistage explosion-protection equipment for lithium battery, including explosion-proof tank and from top to bottom
Upper rupture pressure disc, lancing device, the lower rupture pressure disc being sequentially arranged in explosion-proof tank；The lancing device includes that a pair is connected by hot melt portion
The deformation sheet connect, the deformation sheet include fixed part and warping part, and the fixed part is fixed between substrate, top plate, described to stick up
It plays portion upper surface and is equipped with spine on one group, lower surface equipped with spine under one group；The fixed part and warping part junction are equipped with down
Groove.
As an improvement, be respectively equipped with screw thread in the cathode pole, Positive Poles, plastics on the cathode are moulded on anode
Material is equipped with the screw thread coordinated with cathode pole, Positive Poles.
The utility model additionally provides a kind of anti-explosion safety lithium battery, including shell, with the lamina tecti of shell cooperation, be set to
The imbibition room of housing bottom；
Wherein, the lamina tecti includes substrate, top plate, plastics on cathode, plastics, cathode sealing ring, anode are close on anode
Seal, cathode pole, Positive Poles, cathode leader, positive leader, multistage explosion-protection equipment；The top plate is fixed on substrate；Institute
It states cathode pole and sequentially passes through cathode sealing ring, substrate, top plate, plastics on cathode；It is close that the Positive Poles sequentially pass through anode
Seal, substrate, top plate, plastics on anode；The cathode leader is fixed on cathode pole bottom, and the anode leader is fixed on just
Pole pole bottom；The multistage explosion-protection equipment is set to the middle part of substrate, top plate；It is described multistage explosion-protection equipment include explosion-proof tank and
Upper rupture pressure disc, lancing device, the lower rupture pressure disc being sequentially arranged in from top to bottom in explosion-proof tank；The lancing device passes through including a pair
The deformation sheet of hot melt portion connection, the deformation sheet includes fixed part and warping part, the fixed part be fixed on substrate, top plate it
Between, the warping part upper surface is equipped with spine on one group, lower surface is equipped with spine under one group；
Wherein, communication chamber is equipped between the shell and imbibition room, from upper and equipped with diaphragm and destroy dress in communication chamber
It sets, the breaking plant is equipped with one group of through-hole, top is pierced equipped with vertex (vertices).
As an improvement, be respectively equipped with screw thread in the cathode pole, Positive Poles, plastics on the cathode are moulded on anode
Material is equipped with the screw thread coordinated with cathode pole, Positive Poles.
Advantageous effect：Lithium battery top cap plate provided by the utility model is of low cost, easy to use, safe.
Description of the drawings
Fig. 1 is the explosive view of the utility model explosion-proof lithium battery lamina tecti.
Fig. 2 is the structural schematic diagram of explosion-protection equipment.
Fig. 3 is the partial enlarged view of explosion-protection equipment.
Fig. 4 is the side view of the utility model explosion-proof lithium battery lamina tecti.
Fig. 5 is the structural schematic diagram of anti-explosion safety lithium battery.
Specific implementation mode
The utility model explosion-proof lithium battery lamina tecti is further illustrated below.
Embodiment 1
Explosion-proof lithium battery lamina tecti is shown in plastics 3 on Fig. 1 to 4, including substrate 1, top plate 2, cathode, plastics 4 on anode, negative
Pole sealing ring 5, positive sealing ring 6, cathode pole 7, Positive Poles 8, cathode leader 9, positive leader 10, multistage explosion-protection equipment
11；It is respectively equipped with screw thread on cathode pole 7, Positive Poles 8, plastics 3 on cathode, plastics 4 are equipped with and cathode pole on anode
7, the screw thread that Positive Poles 8 coordinate；Top plate 2 is fixed on substrate 1；Cathode pole 7 sequentially pass through cathode sealing ring 5, substrate 1,
Plastics 3 on top plate 2, cathode；Positive Poles 8 sequentially pass through positive sealing ring 6, substrate 1, top plate 2, plastics 4 on anode；Cathode draws
Piece 9 is fixed on 7 bottom of cathode pole, and positive leader 10 is fixed on 8 bottom of Positive Poles；Multistage explosion-protection equipment 11 be set to substrate 1,
The middle part of top plate 2；Multistage explosion-protection equipment 11 includes explosion-proof tank 12 and is sequentially arranged in from top to bottom upper explosion-proof in explosion-proof tank 12
Film 13, lancing device 14, lower rupture pressure disc 15；Lancing device 14 includes a pair of deformation sheet 17 connected by hot melt portion 16, deformation
Piece 17 includes fixed part 18 and warping part 19, and fixed part 18 is fixed between substrate 1, top plate 2, and 19 upper surface of warping part is equipped with one
Spine 20, lower surface are equipped with spine 21 under one group in group；Fixed part 18 and 19 junction of warping part are equipped with lower groove 22.
Embodiment 2
Anti-explosion safety lithium battery, is shown in Fig. 5, including shell 200, coordinate with shell 200 lamina tecti 100, be set to shell 200
The imbibition room 300 of bottom；
Wherein, lamina tecti 100 include substrate 1, top plate 2, plastics 3 on cathode, plastics 4 on anode, cathode sealing ring 5, just
Pole sealing ring 6, cathode pole 7, Positive Poles 8, cathode leader 9, positive leader 10, multistage explosion-protection equipment 11；Top plate 2 is fixed on
On substrate 1；Cathode pole 7 sequentially passes through cathode sealing ring 5, substrate 1, top plate 2, plastics 3 on cathode；Positive Poles 8 are worn successively
Cross positive sealing ring 6, substrate 1, top plate 2, plastics 4 on anode；Cathode leader 9 is fixed on 7 bottom of cathode pole, positive leader 10
It is fixed on 8 bottom of Positive Poles；Multistage explosion-protection equipment 11 is set to the middle part of substrate 1, top plate 2；Multistage explosion-protection equipment 11 includes anti-
Quick-fried case 12 and the upper rupture pressure disc 13 being sequentially arranged in from top to bottom in explosion-proof tank 12, lancing device 14, lower rupture pressure disc 15；Puncture dress
It includes a pair of deformation sheet 17 connected by hot melt portion 16 to set 14, and deformation sheet 17 includes fixed part 18 and warping part 19, fixed part
18 are fixed between substrate 1, top plate 2, and 19 upper surface of warping part is equipped with spine 20 on one group, lower surface is equipped with spine under one group
21；
Wherein, communication chamber 31 is equipped between shell 200 and imbibition room 300, in communication chamber 31 from it is upper and equipped with diaphragm 32
With breaking plant 33, breaking plant 33 is equipped with one group of through-hole, top is equipped with vertex (vertices) and pierces 34.
Wherein, cathode pole 7, be respectively equipped with screw thread in Positive Poles 8, plastics 3 on cathode, plastics 4 are equipped on anode
The screw thread coordinated with cathode pole 7, Positive Poles 8.
The operation principle of the utility model：
(1) material that Electolyte-absorptive is filled in the imbibition room 300 of battery lower part, when inside battery generation is short-circuit or other
Gas jacks up diaphragm 32 first when situation causes temperature to increase, air pressure increases, and diaphragm 32 contacts vertex (vertices) thorn 34, punctures diaphragm 32,
To make electrolyte flow into imbibition room 300, temperature is avoided further to increase；
(2) when short circuit occurs for inside battery or other situations lead to that temperature further increases, air pressure further increases, head
First gas jacks up lower rupture pressure disc 15, the lower spine 21 of the contact of lower rupture pressure disc 15, is destroyed so as to cause lower rupture pressure disc 15, gas enters
In explosion-proof tank 12, temperature is made in explosion-proof tank 12 to increase, air pressure increases, lancing device 14 impacted by gas and hot melt portion 16 by
Under the double action of heat, hot melt portion 16 disconnects, and deformation sheet 17 bounces, and upper spine 20 punctures rupture pressure disc 13, and gas is made to go out electricity
Pond, to play explosion-proof effect.
Claims (4)
1. a kind of explosion-proof lithium battery lamina tecti, it is characterised in that：Including plastics (3), anode on substrate (1), top plate (2), cathode
Upper plastics (4), cathode sealing ring (5), positive sealing ring (6), cathode pole (7), Positive Poles (8), cathode leader (9), just
Pole leader (10), multistage explosion-protection equipment (11)；The top plate (2) is fixed on substrate (1)；The cathode pole (7) is worn successively
Cross cathode sealing ring (5), substrate (1), top plate (2), plastics (3) on cathode；The Positive Poles (8) sequentially pass through positive sealing
Enclose (6), substrate (1), top plate (2), plastics (4) on anode；The cathode leader (9) is fixed on cathode pole (7) bottom, described
Positive leader (10) is fixed on Positive Poles (8) bottom；The multistage explosion-protection equipment (11) is set in substrate (1), top plate (2)
Portion；The multistage explosion-protection equipment (11) includes explosion-proof tank (12) and is sequentially arranged in from top to bottom upper explosion-proof in explosion-proof tank (12)
Film (13), lancing device (14), lower rupture pressure disc (15)；The lancing device (14) includes a pair of by hot melt portion (16) connection
Deformation sheet (17), the deformation sheet (17) include fixed part (18) and warping part (19), and the fixed part (18) is fixed on substrate
(1), between top plate (2), warping part (19) upper surface is equipped with spine (20) on one group, lower surface is equipped with spine under one group
(21)。
2. a kind of explosion-proof lithium battery lamina tecti according to claim 1, it is characterised in that：The cathode pole (7), anode
It is respectively equipped with screw thread on pole (8), plastics (3) on the cathode, plastics (4) are equipped with and cathode pole (7), anode on anode
The screw thread of pole (8) cooperation.
3. a kind of explosion-proof lithium battery lamina tecti according to claim 1, it is characterised in that：The fixed part (18) and tilting
Portion (19) junction is equipped with lower groove (22).
4. a kind of anti-explosion safety lithium battery, it is characterised in that：Lamina tecti including shell (200), with shell (200) cooperation
(100), it is set to the imbibition room (300) of shell (200) bottom；
The lamina tecti (100) includes substrate (1), top plate (2), plastics (3) on cathode, plastics (4), cathode sealing ring on anode
(5), positive sealing ring (6), cathode pole (7), Positive Poles (8), cathode leader (9), positive leader (10), multistage explosion-proof dress
It sets (11)；The top plate (2) is fixed on substrate (1)；The cathode pole (7) sequentially passes through cathode sealing ring (5), substrate
(1), top plate (2), plastics (3) on cathode；The Positive Poles (8) sequentially pass through positive sealing ring (6), substrate (1), top plate
(2), plastics (4) on anode；The cathode leader (9) is fixed on cathode pole (7) bottom, and the anode leader (10) is fixed on
Positive Poles (8) bottom；The multistage explosion-protection equipment (11) is set to the middle part of substrate (1), top plate (2)；The explosion-proof dress of multistage
It includes explosion-proof tank (12) and the upper rupture pressure disc (13), the lancing device that are sequentially arranged in from top to bottom in explosion-proof tank (12) to set (11)
(14), lower rupture pressure disc (15)；The lancing device (14) includes a pair of deformation sheet (17) connected by hot melt portion (16), described
Deformation sheet (17) includes fixed part (18) and warping part (19), the fixed part (18) be fixed on substrate (1), top plate (2) it
Between, warping part (19) upper surface is equipped with spine (20) on one group, lower surface is equipped with spine (21) under one group；
Communication chamber (31) is equipped between the shell (200) and imbibition room (300), in communication chamber (31) from it is upper and equipped with diaphragm
(32) and breaking plant (33), the breaking plant (33) are equipped with one group of through-hole, top equipped with vertex (vertices) thorn (34).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721199109.8U CN207818638U (en) | 2017-09-18 | 2017-09-18 | A kind of explosion-proof lithium battery lamina tecti and anti-explosion safety lithium battery |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721199109.8U CN207818638U (en) | 2017-09-18 | 2017-09-18 | A kind of explosion-proof lithium battery lamina tecti and anti-explosion safety lithium battery |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207818638U true CN207818638U (en) | 2018-09-04 |
Family
ID=63335881
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721199109.8U Expired - Fee Related CN207818638U (en) | 2017-09-18 | 2017-09-18 | A kind of explosion-proof lithium battery lamina tecti and anti-explosion safety lithium battery |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207818638U (en) |
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2017
- 2017-09-18 CN CN201721199109.8U patent/CN207818638U/en not_active Expired - Fee Related
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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 |
Granted publication date: 20180904 Termination date: 20200918 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |