CN209183663U - A kind of cylindrical electrical core and battery - Google Patents
A kind of cylindrical electrical core and battery Download PDFInfo
- Publication number
- CN209183663U CN209183663U CN201822251997.4U CN201822251997U CN209183663U CN 209183663 U CN209183663 U CN 209183663U CN 201822251997 U CN201822251997 U CN 201822251997U CN 209183663 U CN209183663 U CN 209183663U
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- Prior art keywords
- battery
- tab
- circuit board
- cylindrical electrical
- core body
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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
-
- 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
Abstract
The utility model belongs to battery technology field more particularly to a kind of cylindrical electrical core, including battery core body, is equipped with the first tab and the second tab；Circuit board, is arranged in the end of battery core body, and circuit board and battery core body are connected to form one structure；Circuit board is connect with the first tab and the second tab respectively.Compared with the existing technology, the utility model makes battery core body and circuit board form integral structure by the way that circuit board is set up directly on battery core body；When carrying out battery assembly, existing assembling sequence is the assembly that first battery core is put into battery case, then carries out circuit board；And battery core body and circuit board are first formed integral structure before battery core is put into battery case by the utility model, are placed into battery case, are reduced the assembly difficulty of battery, improve the packaging efficiency of finished battery.
Description
Technical field
The utility model belongs to battery technology field more particularly to a kind of cylindrical electrical core and 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.
However, due to the restriction of existing battery self character and manufacturing process；Existing battery generally by battery core, circuit board,
Battery case and nut cap composition；Wherein battery case opens up the slot rolling for assembly.Therefore, it when producing battery, needs in electricity
Slot rolling is arranged in the circumferential surface of pond shell.
But such setting has the following deficiencies: first, the assembly difficulty of finished battery is considerably increased, so that battery
The packaging efficiency of finished product substantially reduces；Second, the setting of slot rolling can reduce the space utilization rate of battery, to reduce finished battery
Energy density.Therefore a kind of assembling difficulty that can simplify finished battery is needed, and improves the side of inside battery space utilization rate
Case.
Utility model content
One of the purpose of this utility model is: in view of the deficiencies of the prior art, and a kind of cylindrical electrical core is provided, to solve
The assembly difficulty of existing finished battery is big, the low problem of battery space inner utilization rate.
To achieve the goals above, the utility model uses following technical scheme:
A kind of cylindrical electrical core, comprising:
Battery core body is equipped with the first tab and the second tab；
The end of the battery core body is arranged in circuit board, and the circuit board connect to form one with the battery core body
Body structure, the circuit board are connect with first tab and second tab respectively.
As the preferred embodiment of cylindrical electrical core described in the utility model, first tab and second tab are set to institute
State the same end of battery core body；The circuit board is located at one end equipped with first tab and second tab.
As the preferred embodiment of cylindrical electrical core described in the utility model, the end of first tab and second tab
End extend bending connect with the upper surface of the circuit board.
As the preferred embodiment of cylindrical electrical core described in the utility model, first tab and second tab are set to institute
State the end portions of battery core body.
As the preferred embodiment of cylindrical electrical core described in the utility model, the circuit board with a thickness of 0.05 ~ 0.2mm.
As the preferred embodiment of cylindrical electrical core described in the utility model, the circuit board is FPC circuit board or PCB circuit
Plate.
As the preferred embodiment of cylindrical electrical core described in the utility model, first tab and second tab are positive
Tab or negative electrode lug.
Compared with the existing technology, one of the utility model aim has the beneficial effect that
The utility model makes battery core body and circuit board form integrated knot by the way that circuit board is set up directly on battery core body
Structure；When carrying out battery assembly, existing assembling sequence is the dress that first battery core is put into battery case, then carries out circuit board
Match；And battery core body and circuit board are first formed integral structure before battery core is put into battery case by the utility model, place into electricity
In the shell of pond, the assembly difficulty of battery is reduced, improves the packaging efficiency of finished battery.
The two of the purpose of this utility model are: in view of the deficiencies of the prior art, and a kind of battery is provided, it is existing to solve
The assembly difficulty of finished battery is big, the low problem of inside battery space utilization rate.
A kind of battery, comprising:
Cylindrical electrical core, cylindrical electrical core described in any of the above-described section；
Battery case has flat and smooth circumferential surface, for accommodating the cylindrical electrical core；
Nut cap is covered on the battery case.
As the preferred embodiment of battery described in the utility model, the battery case inner hollow and shape be circular columns,
Square column or kidney-shaped column.
Compared with the existing technology, the two of the utility model aim at least have the advantages that
1) the utility model makes battery core body and circuit board form one by the way that circuit board is set up directly on battery core body
Structure；When carrying out battery assembly, existing assembling sequence is the dress that first battery core is put into battery case, then carries out circuit board
Match；And battery core body and circuit board are first formed integral structure before battery core is put into battery case by the utility model, place into electricity
In the shell of pond, the assembly difficulty of battery is reduced, improves the packaging efficiency of finished battery；
2) the utility model is by forming integral structure for battery core body and circuit board, makes battery case no setting is required rolling
Slot is omitted the process that battery case carries out slot rolling, improves the efficiency of production battery.Further, since battery case is without setting
Slot rolling is set, can be provided for battery core and more occupy space, improve the energy density of battery.
Detailed description of the invention
Fig. 1 is the cylindrical electrical core structural schematic diagram of the utility model.
Fig. 2 is the explosive view of Fig. 1.
Fig. 3 is the battery structure schematic diagram of the utility model.
Fig. 4 is the explosive view of Fig. 3.
In figure: 1- cylindrical electrical core；11- battery core body；The first tab of 111-；The second tab of 112-；12- circuit board；2- electricity
Pond shell；3- nut cap.
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.
Embodiment 1
As shown in Figure 1 and 2, a kind of cylindrical electrical core 1, comprising:
A kind of cylindrical electrical core 1, comprising:
Battery core body 11 is equipped with the first tab 111 and the second tab 112；
Circuit board 12, is arranged in the end of battery core body 11, and circuit board 12 and battery core body 11 are connected to form one knot
Structure, circuit board 12 are connect with the first tab 111 and the second tab 112 respectively.
The utility model makes battery core body 11 and 12 shape of circuit board by the way that circuit board 12 is set up directly on battery core body 11
It is into a single integrated structure；When carrying out battery assembly, existing assembling sequence is first battery core to be put into battery case 2, then carry out electricity
The assembly of road plate 12；And the utility model is before battery core body 11 is put into battery case 2, first by battery core body 11 and circuit board 12
Integral structure is formed, places into battery case 2, reduces the assembly difficulty of battery, improve the packaging efficiency of finished battery.
Preferably, the end of the first tab 111 and the end of the second tab 112, which extend, is bent into " " shape and circuit board 12
Upper surface connection.By above-mentioned setting, the setting for consolidating the first tab 111 and the second tab 112 on the circuit board 12, makes
12 energy tight fit of battery core body 11 and circuit board, reinforces the effect of the two integral structure；The difficulty of soldering polar ear is reduced simultaneously
Degree, improves the efficiency of battery production.
Preferably, the first tab 111 and the second tab 112 are set to the end portions of battery core body 11.By above-mentioned setting,
The assembly difficulty that battery can be reduced improves the packaging efficiency of battery；Simultaneously because the end surface of battery core is no longer arranged in tab,
Increase battery core occupies space, improves the energy density of battery core.
Preferably, circuit board 12 with a thickness of 0.05 ~ 0.2mm.By above-mentioned setting, battery core accounting in battery can increase
There is volume, improves the energy density of battery.
Preferably, the circuit board 12 is FPC circuit board or PCB circuit board, more preferably FPC circuit board.FPC circuit board
Thickness be less than PCB circuit board thickness；The utility model replaces PCB circuit board by using FPC circuit board, increases cylinder
The possessive volume of battery core 1 improves the energy density of battery.And FPC circuit board has good thermal diffusivity；The utility model is logical
It crosses using FPC circuit board, the heat dissipation performance of cylindrical electrical core 1 can be improved, improve the security performance and service life of finished battery.
Preferably, the first tab 111 and the second tab 112 are anode ear or negative electrode lug.
Embodiment 2
As shown in Fig. 3 ~ 4, a kind of battery, comprising:
Cylindrical electrical core 1, the cylindrical electrical core 1 of any one of embodiment 1；
Battery case 2 has flat and smooth circumferential surface, for accommodating cylindrical electrical core 1；
Nut cap 3 is covered on battery case 2.
1) the utility model makes battery core body 11 and circuit board 12 by the way that circuit board 12 is set up directly on battery core body 11
Form integral structure；When carrying out battery assembly, existing assembling sequence is that first battery core is put into battery case 2, then carries out
The assembly of circuit board 12；And the utility model is before battery core body 11 is put into battery case 2, first by battery core body 11 and circuit board
12 form integral structure, place into battery case 2, reduce the assembly difficulty of battery, improve the assembling effect of finished battery
Rate.
2) the utility model makes battery case 2 without setting by the way that battery core body 11 and circuit board 12 are formed integral structure
Slot rolling is set, the process that battery case 2 carries out slot rolling is omitted, improves the efficiency of production battery.Simultaneously as battery case 2
No setting is required slot rolling can provide for cylindrical electrical core 1 and more occupy space, improve the energy density of battery.
Preferably, 2 inner hollow of battery case and shape are circular columns, square column or kidney-shaped column, and more preferable shape is circle
Shape column., can be to greatest extent using the space inside battery case 2 by above-mentioned setting, increase cylindrical electrical core 1 occupies sky
Between, improve the energy density of battery.
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 electrical core characterized by comprising
Battery core body (11) is equipped with the first tab (111) and the second tab (112)；
Circuit board (12) is arranged in the end of the battery core body (11), and the circuit board (12) and the battery core body
(11) be connected to form one structure, the circuit board (12) respectively with first tab (111) and second tab (112)
Connection.
2. cylindrical electrical core according to claim 1, it is characterised in that: first tab (111) and second tab
(112) it is set to the same end of the battery core body (11)；The circuit board (12), which is located at, is equipped with first tab (111) and institute
State one end of the second tab (112).
3. cylindrical electrical core according to claim 2, it is characterised in that: the end and described second of first tab (111)
The end of tab (112) extends bending and connect with the upper surface of the circuit board (12).
4. cylindrical electrical core according to claim 1, it is characterised in that: first tab (111) and second tab
(112) end portions of the battery core body (11) are set to.
5. cylindrical electrical core according to claim 1, it is characterised in that: the circuit board (12) with a thickness of 0.05 ~ 0.2mm.
6. cylindrical electrical core according to claim 1, it is characterised in that: the circuit board (12) is FPC circuit board or PCB circuit
Plate.
7. cylindrical electrical core according to claim 1, it is characterised in that: first tab (111) and second tab
It (112) is anode ear or negative electrode lug.
8. a kind of battery characterized by comprising
Cylindrical electrical core (1) is the described in any item cylindrical electrical cores of claim 1 ~ 7 (1)；
Battery case (2) has flat and smooth circumferential surface, for accommodating the cylindrical electrical core (1)；
Nut cap (3) is covered on the battery case (2).
9. battery according to claim 8, it is characterised in that: battery case (2) inner hollow and shape be circular columns,
Square column or kidney-shaped column.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201822251997.4U CN209183663U (en) | 2018-12-29 | 2018-12-29 | A kind of cylindrical electrical core and battery |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201822251997.4U CN209183663U (en) | 2018-12-29 | 2018-12-29 | A kind of cylindrical electrical core and battery |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209183663U true CN209183663U (en) | 2019-07-30 |
Family
ID=67378214
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201822251997.4U Active CN209183663U (en) | 2018-12-29 | 2018-12-29 | A kind of cylindrical electrical core and battery |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209183663U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2024076042A1 (en) * | 2022-10-05 | 2024-04-11 | 주식회사 엘지에너지솔루션 | Cylindrical battery cell |
-
2018
- 2018-12-29 CN CN201822251997.4U patent/CN209183663U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2024076042A1 (en) * | 2022-10-05 | 2024-04-11 | 주식회사 엘지에너지솔루션 | Cylindrical battery cell |
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