CN204230342U - Level pressure cylindrical lithium battery - Google Patents
Level pressure cylindrical lithium battery Download PDFInfo
- Publication number
- CN204230342U CN204230342U CN201420601483.6U CN201420601483U CN204230342U CN 204230342 U CN204230342 U CN 204230342U CN 201420601483 U CN201420601483 U CN 201420601483U CN 204230342 U CN204230342 U CN 204230342U
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- metal shell
- type metal
- cylinder type
- plate
- barrier film
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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 provides level pressure cylindrical lithium battery, battery core comprises cylinder type metal shell, wherein: cylinder type metal shell is the winding circular configuration that one end is closed, the other end is uncovered, electrolyte, barrier film, positive plate, negative plate and cover plate is had in cylinder type metal shell, electrolyte separates by barrier film, barrier film side connects negative plate, negative plate is connected to the blind end of cylinder type metal shell, barrier film opposite side connects positive plate, positive plate welding on the cover board, positive pole rivet connects positive plate through cover plate, and bridge welding is connected on the opening end of cylinder type metal shell.The utility model comprises independently battery core and block, and block includes transformation wiring board, can change block, improve the useful life of battery when transformation wiring board cisco unity malfunction, and easy and simple to handle.
Description
Technical field
The utility model belongs to lithium battery and manufactures field, particularly level pressure cylindrical lithium battery.
Background technology
Existing battery is mainly divided into versatility cylindrical battery and rectangular cell, and cylindrical battery commercially has very large application because of efficiency comparison height, and its shape, size have Standard, comprise No. one, No. two, No. five, No. seven etc.Be most widely used with No. five (AA) and No. seven (AAA) in daily life, this kind of battery is divided into ni-mh, nickel chromium triangle rechargeable battery two class of the disposable dry cell of 1.5V and 1.2V usually.The dry cell of 1.5V belongs to expendable consumed product, reclaims difficulty, big for environment pollution, not reproducible use, and ni-mh Ni-Cr battery voltage is low, and battery exists memory effect, and energy density is low, and the charging interval is long, and wherein chromium also belongs to heavily contaminated metal.
Existing lithium ion cylinder battery, specific energy is high, quickly-chargeable, memory-less effect, environmental protection, can recycle, also AA, AAA type battery can be made according to GB, but itself electrochemical reaction determines operating voltage range (nominal voltage 3.7V) between 3V-4.2V, do not belong to universal battery, general for industrial application, on market, consumer is difficult to directly buy this special cylindrical lithium ion battery, if AA, AAA type lithium ion battery pushes market also can there is mixed problem, voltage inconsistent will causing can not use or burn electrical equipment.
Utility model content
For above problem, the purpose of this utility model is to provide a kind of voltage stabilization, rechargeable level pressure cylindrical lithium battery.
For realizing above object, the technical solution of the utility model is:
Level pressure cylindrical lithium battery, comprise battery core and block, battery core comprises cylinder type metal shell, wherein: cylinder type metal shell is the winding circular configuration that one end is closed, the other end is uncovered, electrolyte, barrier film, positive plate, negative plate and cover plate is had in cylinder type metal shell, electrolyte separates by barrier film, barrier film side connects negative plate, negative plate is connected to the blind end of cylinder type metal shell, barrier film opposite side connects positive plate, on the cover board, positive pole rivet connects positive plate through cover plate, and bridge welding is connected on the opening end of cylinder type metal shell in positive plate welding; Cover the opening end at cylinder type metal shell and connect positive pole rivet.
Described cover plate and cylinder type metal shell constitute concave inward structure, and cover plate and cylinder type metal shell weld are positioned at the inside 1-8mm place of cylinder type metal shell outward flange.
Described cover plate is provided with liquid injection hole, and described liquid injection hole caves inward, and seals liquid injection hole after precharge with steel ball.
Described cylinder type metal shell is provided with liquid injection hole, and described liquid injection hole caves inward, and seals liquid injection port after precharge with steel ball.
Described block comprises spring input positive pole, insulating material, wire, transformation wiring board and output cathode, spring input positive pole connects transformation wiring board by the first wire, transformation wiring board connects anode coat at cylindrical outer side, and output cathode connects transformation wiring board by the first wire.
Described first wire, the second wire are coated with insulating material.
Described output cathode is coated with insulating material, and output cathode stretches out and is exposed from insulating material.
The beneficial effects of the utility model are:
1, the utility model comprises independently battery core and block, and block includes transformation wiring board, can change block, improve the useful life of battery when transformation wiring board cisco unity malfunction, and easy and simple to handle.
2, battery core of the present utility model is also provided with liquid injection hole, with steel ball sealing after precharge, the gas produced in pre-charge process is discharged by liquid injection hole, greatly reduce the risk of battery flatulence blast, improve the security performance of battery.
3, in the utility model, battery core cover plate adopts Laser Welding to be welded on cylinder type metal shell, and sealing effectiveness is good.
4, battery core cover plate indent is in cylinder type metal shell, forms firm structure with the block protruded.
5, block is provided with spring input positive pole, can cushion, ensure the stability of output cathode according to the recessed position difference of cover plate in battery core.
6, on block connection first wire output cathode outside be arranged with insulating material, output cathode stretches out from insulating material and is exposed, and ensure that the easy to use of battery.
Accompanying drawing explanation
Fig. 1 is the core strueture schematic diagram of the utility model embodiment 1.
Fig. 2 is the capping structure schematic diagram of the utility model embodiment 1,2.
Fig. 3 is the core strueture schematic diagram of the utility model embodiment 2.
In figure: 1, battery core; 2, block a shot; 3, electrolyte; 4, barrier film; 5, negative plate; 6, positive plate; 7, cover plate; 8, cylinder type metal shell; 9, positive pole rivet; 10, spring input positive pole; 11, transformation wiring board; 12, anode coat; 13, the second wire; 14, the first wire; 15, insulating material; 16, output cathode; 17, liquid injection hole.
Embodiment
Further illustrate a kind of execution mode of the present utility model with reference to the accompanying drawings.
Embodiment 1: with reference to figure 1 and Fig. 2,
Level pressure cylindrical lithium battery, comprise battery core 1 and block 2, battery core 1 comprises cylinder type metal shell 8, wherein: cylinder type metal shell 8 is for closing one end, the winding circular configuration that the other end is uncovered, electrolyte 3 is had in cylinder type metal shell 8, barrier film 4, positive plate 6, negative plate 5 and cover plate 7, barrier film 4 by electrolyte 3 separately, barrier film 4 side connects negative plate 5, negative plate 5 is connected to the blind end of cylinder type metal shell 8, barrier film 4 opposite side connects positive plate 6, positive plate 6 is welded on cover plate 7, positive pole rivet 9 connects positive plate 6 through cover plate 7, cover plate 7 is welded on the opening end of cylinder type metal shell 1, block 2 covers the opening end at cylinder type metal shell 1 and connects positive pole rivet 9.
Cover plate 7 and cylinder type metal shell 8 constitute concave inward structure, and cover plate 7 and cylinder type metal shell 8 weld are positioned at the inside 1-8mm place of cylinder type metal shell 8 outward flange.
Cover plate 7 is provided with liquid injection hole 17, and described liquid injection hole 17 caves inward, and seals liquid injection hole after precharge with steel ball.
Block 2 comprises spring input positive pole 10, insulating material 15, first wire 14, second wire 13, transformation wiring board 11 and output cathode 16, spring input positive pole 10 connects transformation wiring board 11 by the first wire 14, transformation wiring board 11 connects anode coat 12 at cylindrical outer side, and output cathode 16 connects transformation wiring board 11 by the first wire 14.First wire 14, second wire 13 is coated with insulating material.Output cathode 16 is coated with insulating material 15, and output cathode 16 stretches out and is exposed from insulating material 15.
Embodiment 2, referring to figs. 2 and 3:
Level pressure cylindrical lithium battery, comprise battery core 1 and block 2, battery core 1 comprises cylinder type metal shell 8, wherein: cylinder type metal shell 8 is for closing one end, the winding circular configuration that the other end is uncovered, electrolyte 3 is had in cylinder type metal shell 8, barrier film 4, positive plate 6, negative plate 5 and cover plate 7, barrier film 4 by electrolyte 3 separately, barrier film 4 side connects negative plate 5, negative plate 5 is connected to the blind end of cylinder type metal shell 8, barrier film 4 opposite side connects positive plate 6, positive plate 6 is welded on cover plate 7, positive pole rivet 9 connects positive plate 6 through cover plate 7, cover plate 7 is welded on the opening end of cylinder type metal shell 1, block 2 covers the opening end at cylinder type metal shell 1 and connects positive pole rivet 9.
Cover plate 7 and cylinder type metal shell 8 constitute concave inward structure, and cover plate 7 and cylinder type metal shell 8 weld are positioned at the inside 1-8mm place of cylinder type metal shell 8 outward flange.
Cylinder type metal shell 8 is provided with liquid injection hole 17, and described liquid injection hole 17 caves inward, and seals liquid injection port after precharge with steel ball.
Block 2 comprises spring input positive pole 10, insulating material 15, first wire 14, second wire 13, transformation wiring board 11 and output cathode 16, spring input positive pole 10 connects transformation wiring board 11 by the first wire 14, transformation wiring board 11 connects anode coat 12 at cylindrical outer side, and output cathode 16 connects transformation wiring board 11 by the first wire 14.First wire 14, second wire 13 is coated with insulating material.Output cathode 16 is coated with insulating material 15, and output cathode 16 stretches out and is exposed from insulating material 15.
The above not imposes any restrictions this novel technical scope, all above embodiment is done according to the utility model technical spirit any amendment, equivalent variations and modification, all still belong in the scope of this novel technical scheme.
Claims (7)
1. level pressure cylindrical lithium battery, comprise battery core and block, battery core comprises cylinder type metal shell, it is characterized in that: cylinder type metal shell is the winding circular configuration that one end is closed, the other end is uncovered, electrolyte, barrier film, positive plate, negative plate and cover plate is had in cylinder type metal shell, electrolyte separates by barrier film, barrier film side connects negative plate, negative plate is connected to the blind end of cylinder type metal shell, barrier film opposite side connects positive plate, on the cover board, positive pole rivet connects positive plate through cover plate, and bridge welding is connected on the opening end of cylinder type metal shell in positive plate welding; Cover the opening end at cylinder type metal shell and connect positive pole rivet.
2. level pressure cylindrical lithium battery according to claim 1, is characterized in that: described cover plate and cylinder type metal shell constitute concave inward structure, and cover plate and cylinder type metal shell weld are positioned at the inside 1-8mm place of cylinder type metal shell outward flange.
3. level pressure cylindrical lithium battery according to claim 1, it is characterized in that: described cover plate is provided with liquid injection hole, described liquid injection hole caves inward, and seals liquid injection hole after precharge with steel ball.
4. level pressure cylindrical lithium battery according to claim 1, is characterized in that: described cylinder type metal shell is provided with liquid injection hole, and described liquid injection hole caves inward, and seals liquid injection port after precharge with steel ball.
5. level pressure cylindrical lithium battery according to claim 1, it is characterized in that: described block comprises spring input positive pole, insulating material, wire, transformation wiring board and output cathode, spring input positive pole connects transformation wiring board by the first wire, transformation wiring board connects anode coat at cylindrical outer side, and output cathode connects transformation wiring board by the first wire.
6. level pressure cylindrical lithium battery according to claim 5, is characterized in that: described first wire, the second wire are coated with insulating material.
7. level pressure cylindrical lithium battery according to claim 5, is characterized in that: described output cathode is coated with insulating material, output cathode stretches out and is exposed from insulating material.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420601483.6U CN204230342U (en) | 2014-10-17 | 2014-10-17 | Level pressure cylindrical lithium battery |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420601483.6U CN204230342U (en) | 2014-10-17 | 2014-10-17 | Level pressure cylindrical lithium battery |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204230342U true CN204230342U (en) | 2015-03-25 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420601483.6U Expired - Fee Related CN204230342U (en) | 2014-10-17 | 2014-10-17 | Level pressure cylindrical lithium battery |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204230342U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104393228A (en) * | 2014-10-17 | 2015-03-04 | 东莞市润广电池科技有限公司 | Constant-voltage cylindrical lithium battery |
-
2014
- 2014-10-17 CN CN201420601483.6U patent/CN204230342U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104393228A (en) * | 2014-10-17 | 2015-03-04 | 东莞市润广电池科技有限公司 | Constant-voltage cylindrical lithium battery |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20150325 Termination date: 20151017 |
|
| EXPY | Termination of patent right or utility model |