CN209183580U - A kind of cylindrical battery - Google Patents
A kind of cylindrical battery Download PDFInfo
- Publication number
- CN209183580U CN209183580U CN201822252083.XU CN201822252083U CN209183580U CN 209183580 U CN209183580 U CN 209183580U CN 201822252083 U CN201822252083 U CN 201822252083U CN 209183580 U CN209183580 U CN 209183580U
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- China
- Prior art keywords
- conductive shell
- circuit board
- lock nut
- tab
- cylindrical battery
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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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- Connection Of Batteries Or Terminals (AREA)
Abstract
The utility model belongs to battery technology field more particularly to a kind of cylindrical battery, comprising: battery core, battery core both ends are respectively equipped with the first tab and the second tab；Conductive shell, for accommodating battery core, the first tab is connect with conductive shell；Circuit board, circuit board are electrically connected with the second tab and conductive shell respectively, and circuit board is arranged between lock nut and insulation sleeve；Lock nut is covered on conductive shell, and lock nut radius is greater than conductive shell radius；Insulation sleeve, insulation is set between conductive shell and circuit board, for accommodating circuit board.Compared with the existing technology, the utility model is in assembly, the process that welding metal strips are omitted, and reduces the process of production battery core, improves production efficiency；Conductive shell and board dielectric can be separated by the way that insulation sleeve is arranged simultaneously, improve the security performance of battery；Furthermore by being arranged circuit board between lock nut and insulation sleeve, further strengthen the insulating properties of circuit board and conductive shell.
Description
Technical field
The utility model belongs to battery technology field more particularly to a kind of cylindrical battery.
Background technique
With the demand sharp increase of digital product, lithium ion battery also develops rapidly, it has also become International Electrochemical research
One of hot fields, chemical property, security performance, specific energy of flexible packing lithium ion battery etc. are with the obvious advantage, and shape
It can arbitrarily be customized with capacity, replacement model is at low cost；Cylindrical battery has many advantages, such as high production efficiency, high yield rate, but gold
Belong to shell than heavier, Variant number is not flexible；And cylindrical flexible package lithium ion battery then combines the two advantage, therefore compares
Energy, safety, Variant number economy are improved.
However, in the prior art, cylindrical battery core is general due to the restriction of cylindrical battery self character and manufacturing process
Anode ear and negative electrode lug be arranged in the both ends of battery core, but such setting, on the one hand, the assembling for considerably increasing battery core is difficult
Degree, so that the packaging efficiency of battery core substantially reduces；On the other hand, such that the space utilization that can also reduce cylindrical battery is set
Rate, to reduce the energy density of finished battery.
In view of the above problems, disclosing a kind of cylindrical battery core, the electricity in patent document CN201720036683.5
The both ends of core are connected separately with the first tab and the second tab, and first tab is transferred to second tab by metal tape
One end.But it is transferred using metal tape, usually requires to be welded to connect in technique, bending switching, the process of assembly,
Since the first tab and metal tape are relatively fine, the difficulty of human weld is larger, influences production efficiency；It is also easy bending simultaneously
Metal tape is damaged in the process of switching and assembly, battery product is caused to be scrapped.
Utility model content
The purpose of this utility model is that: in view of the deficiencies of the prior art, and a kind of cylindrical battery is provided, it is existing to solve
The problem of having battery core production efficiency low, and being easily damaged.
To achieve the goals above, the utility model uses following technical scheme:
A kind of cylindrical battery, comprising:
Battery core, the battery core both ends are respectively equipped with the first tab and the second tab；
Conductive shell, for accommodating the battery core, first tab is connect with the conductive shell；
Circuit board, the circuit board are electrically connected with second tab and the conductive shell respectively, and the circuit board is set
It sets between lock nut and insulation sleeve；
Lock nut is covered on the conductive shell, and the lock nut radius is greater than the conductive shell radius；
Insulation sleeve, the insulation is set between the conductive shell and the circuit board, for accommodating the circuit
Plate.
As the preferred embodiment of cylindrical battery described in the utility model, the bottom of the conductive shell and first pole
Ear is connected.
As the preferred embodiment of cylindrical battery described in the utility model, the outer surface of the conductive shell is coated with insulation
Paint.
As the preferred embodiment of cylindrical battery described in the utility model, the conductive shell is conductive steel shell, conductive copper
Shell or electrical conductivity alloy shell.
As the preferred embodiment of cylindrical battery described in the utility model, the conductive shell with a thickness of 0.1 ~ 2mm.
As the preferred embodiment of cylindrical battery described in the utility model, the circuit board is equipped with pole, the lock nut
It is equipped with the through-hole to match with the pole.
As the preferred embodiment of cylindrical battery described in the utility model, the lock nut is electro-insulating rubber lock nut, insulating silicon
Glue lock nut or ambroin lock nut.
As the preferred embodiment of cylindrical battery described in the utility model, the insulation sleeve is insulation rubber sleeve, insulating silicon
Gum cover or ambroin set.
As the preferred embodiment of cylindrical battery described in the utility model, first tab and second tab are
Anode ear or negative electrode lug.
Compared with the existing technology, the utility model at least has the advantages that
1) battery case and metal tape are combined into conductive shell by the utility model；In assembly, battery core is put into conduction
Shell connects the first tab with conductive shell, the process that welding metal strips are omitted, and reduces the work of production battery core
Sequence improves production efficiency；And the internal structure for simplifying battery reduces the assembly difficulty of battery；
2) the utility model can be separated conductive shell and board dielectric by the way that insulation sleeve is arranged, and avoid the occurrence of battery
Short circuit improves the security performance of battery；
3) the utility model is by being arranged circuit board between lock nut and insulation sleeve；Further strengthen circuit board and conduction
The insulating properties of shell reinforces the security performance of battery；
4) the lock nut radius of the utility model is greater than conductive shell radius, is located at conductive shell end convenient for lock nut lid, drops
The low cooperation difficulty of lock nut and conductive shell, simplifies the assembly of battery, improves the assembly efficiency of battery.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of the utility model.
Fig. 2 is the explosive view of Fig. 1.
In figure: 1- battery core；The first tab of 11-；The second tab of 12-；13- conductive shell；2- circuit board；21- pole；3- lock
Cap；31- through-hole；4- insulation sleeve.
Specific embodiment
To keep the technical solution of the utility model and advantage clearer, below in conjunction with specific embodiment and specification
Attached drawing is described in further detail the utility model and its advantages, but the embodiments of the present invention is not limited to
This.
As shown in Figure 1 and 2, a kind of cylindrical battery, comprising:
Battery core 1,1 both ends of battery core are respectively equipped with the first tab 11 and the second tab 12；
Conductive shell 13, for accommodating battery core 1, the first tab 11 is connect with conductive shell 13；
Circuit board 2, circuit board 2 are electrically connected with the second tab 12 and conductive shell 13 respectively, and circuit board 2 is arranged in lock nut 3
Between insulation sleeve 4；
Lock nut 3 is covered on conductive shell 13, and 3 radius of lock nut is greater than 13 radius of conductive shell；
Insulation sleeve 4, insulation sleeve 4 is arranged between conductive shell 13 and circuit board 2, for accommodating circuit board 2.
1) battery case and metal tape are combined into conductive shell 13 by the utility model；In assembly, battery core 1 is put into and is led
Electric shell 13 connects the first tab 11 with conductive shell 13, the process that welding metal strips are omitted, and reduces production electricity
The process of core 1, improves production efficiency；And the internal structure for simplifying battery reduces the assembly difficulty of battery.
2) the utility model can be opened conductive shell 13 and 2 dielectric separation of circuit board by the way that insulation sleeve 4 is arranged, and be avoided the occurrence of
Battery short circuit improves the security performance of battery.
3) the utility model is by being arranged circuit board 2 between lock nut 3 and insulation sleeve 4；Further strengthen circuit board 2 with
The insulating properties of conductive shell 13 reinforces the security performance of battery.
4) 3 radius of lock nut of the utility model is greater than 13 radius of conductive shell, is located at 13 end of conductive shell convenient for the lid of lock nut 3
Portion reduces the cooperation difficulty of lock nut 3 Yu conductive shell 13, simplifies the assembly of battery, improves the assembly efficiency of battery.
Preferentially, the outer surface of conductive shell 13 is coated with insulated paint.By above-mentioned setting, can prevent in the mistake using battery
It gets an electric shock in journey, improves the security performance of battery.
Preferentially, conductive shell 13 is conductive steel shell, conductive copper shell or electrical conductivity alloy shell.It is wanted according to the actual situation with production
It asks, selects the conductive shell 13 of suitable material.
Preferentially, conductive shell 13 with a thickness of 0.1 ~ 2mm.If 13 thickness of conductive shell is excessively thin, conveyance capacity is weak, and
Intensity is small；If 13 thickness of conductive shell is blocked up, the volume for occupying battery is big, reduces the energy density of battery, and improve
Production cost.
Preferentially, lock nut 3 is electro-insulating rubber lock nut 3, insulation silica gel lock nut 3 or ambroin lock nut 3.According to the actual situation
And production requirement, the lock nut 3 of suitable material is selected, guarantee lock nut 3 is insulator.
Preferentially, insulation sleeve 4 is insulation rubber sleeve, insulation silica gel sheath or ambroin set.According to the actual situation and produce
It is required that selecting the insulation sleeve 4 of suitable material.
Preferentially, the first tab 11 and the second tab 12 are anode ear or negative electrode lug.
According to the disclosure and teachings of the above specification, the utility model those skilled in the art can also be to above-mentioned reality
The mode of applying is changed and is modified.Therefore, the utility model is not limited to above-mentioned specific embodiment, all this field skills
It is practical new that art personnel any conspicuous improvement made on the basis of the utility model, replacement or modification belong to this
The protection scope of type.In addition, these terms are intended merely to facilitate although using some specific terms in this specification
It is bright, any restrictions are not constituted to the utility model.
Claims (9)
1. a kind of cylindrical battery characterized by comprising
Battery core (1), battery core (1) both ends are respectively equipped with the first tab (11) and the second tab (12)；
Conductive shell (13), for accommodating the battery core (1), first tab (11) connect with the conductive shell (13)；
Circuit board (2), the circuit board (2) are electrically connected with second tab (12) and the conductive shell (13) respectively, institute
Circuit board (2) are stated to be arranged between lock nut (3) and insulation sleeve (4)；
Lock nut (3) is covered on the conductive shell (13), and the lock nut (3) radius is greater than the conductive shell (13) radius；
Insulation sleeve (4), the insulation sleeve (4) is arranged between the conductive shell (13) and the circuit board (2), for accommodating
The circuit board (2).
2. cylindrical battery according to claim 1, it is characterised in that: the bottom of the conductive shell (13) and described the
One tab (11) is connected.
3. cylindrical battery according to claim 1, it is characterised in that: the outer surface of the conductive shell (13) is coated with absolutely
Edge paint.
4. cylindrical battery according to claim 1, it is characterised in that: the conductive shell (13) is conductive steel shell, leads
Electrolytic copper shell or electrical conductivity alloy shell.
5. cylindrical battery according to claim 1, it is characterised in that: the conductive shell (13) with a thickness of 0.1 ~
2mm。
6. cylindrical battery according to claim 1, it is characterised in that: the circuit board (2) is equipped with pole (21), institute
It states lock nut (3) and is equipped with the through-hole (31) to match with the pole (21).
7. cylindrical battery according to claim 1, it is characterised in that: the lock nut (3) is electro-insulating rubber lock nut, insulation
Silica gel lock nut or ambroin lock nut.
8. cylindrical battery according to claim 1, it is characterised in that: the insulation sleeve (4) is insulation rubber sleeve, insulation
Silica gel sheath or ambroin set.
9. cylindrical battery according to claim 1, it is characterised in that: first tab (11) and second tab
It (12) is anode ear or negative electrode lug.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201822252083.XU CN209183580U (en) | 2018-12-29 | 2018-12-29 | A kind of cylindrical battery |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201822252083.XU CN209183580U (en) | 2018-12-29 | 2018-12-29 | A kind of cylindrical battery |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209183580U true CN209183580U (en) | 2019-07-30 |
Family
ID=67378210
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201822252083.XU Active CN209183580U (en) | 2018-12-29 | 2018-12-29 | A kind of cylindrical battery |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209183580U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111403802A (en) * | 2020-04-30 | 2020-07-10 | 东莞新能德科技有限公司 | Battery and electric device with same |
-
2018
- 2018-12-29 CN CN201822252083.XU patent/CN209183580U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111403802A (en) * | 2020-04-30 | 2020-07-10 | 东莞新能德科技有限公司 | Battery and electric device with same |
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