CN211265529U - Battery structure and electronic equipment - Google Patents

Battery structure and electronic equipment Download PDF

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Publication number
CN211265529U
CN211265529U CN202020383981.3U CN202020383981U CN211265529U CN 211265529 U CN211265529 U CN 211265529U CN 202020383981 U CN202020383981 U CN 202020383981U CN 211265529 U CN211265529 U CN 211265529U
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China
Prior art keywords
battery
cover
tab
top cover
cap
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CN202020383981.3U
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Chinese (zh)
Inventor
王涛
徐延铭
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Zhuhai Cosmx Battery Co Ltd
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Zhuhai Cosmx Battery Co Ltd
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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

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Abstract

The utility model provides a battery structure and electronic equipment, this battery structure includes: the battery comprises an upper cover, a lower cover, a battery core, a first lug and a second lug, wherein the upper cover comprises a top cover and a first cap ring, the first end of the first lug is arranged at the joint between the top cover and the first cap ring, the second end of the first lug is connected with the battery core, and the battery core is arranged in the upper cover and the lower cover. The embodiment of the utility model provides a can strengthen the fastness that utmost point ear connects.

Description

Battery structure and electronic equipment
Technical Field
The utility model relates to a battery technology field, in particular to battery structure and electronic equipment.
Background
With the development and progress of science and technology, the market demand for wearable devices, such as wireless earphones, sports watches, and hand rings, etc., is increasing, and button cells are an important component in wearable devices. In the structure of the button cell in the current market, the tabs are welded on the surface of the outer cover of the cell, and the firmness of tab connection is poor.
SUMMERY OF THE UTILITY MODEL
An object of the embodiment of the utility model is to provide a battery structure and electronic equipment to solve the relatively poor problem of fastness that utmost point ear in the battery structure is connected.
In order to achieve the above object, an embodiment of the present invention provides a battery structure and an electronic device, where the battery structure includes: the battery comprises an upper cover, a lower cover, a battery core, a first lug and a second lug, wherein the upper cover comprises a top cover and a first cap ring, the first end of the first lug is arranged at the joint between the top cover and the first cap ring, the second end of the first lug is connected with the battery core, and the battery core is arranged in the upper cover and the lower cover.
Optionally, the junction between the top cover and the first cap band comprises a wedge-shaped structure, and the wedge-shaped structure comprises a conical surface which is tapered from the edge of the top cover to the center.
Optionally, a circle of convex ring with a V-shaped cross section is arranged at the edge of the top cover, and the conical surface of the top cover is the outer surface of the convex ring; alternatively, the first and second electrodes may be,
the edge of the top cover is provided with a circle of chamfer, and the conical surface of the top cover is a chamfer surface; alternatively, the first and second electrodes may be,
the edge of the top cover is provided with a flanging, and the conical surface of the top cover is the outer surface of the flanging; or the included angle between the generatrix of the conical surface of the top cover and the lower surface of the top cover is 26-61 degrees.
Optionally, the distance from the joint of the conical surface of the top cover and the surface of the first cap ring to the edge of the top cover is 0.03-0.5 mm.
Optionally, a first strip-shaped groove is formed in the conical surface of the wedge-shaped structure, the first strip-shaped groove extends along the conical bus, and the first tab is located in the first strip-shaped groove.
Optionally, a joint of the first tab and the battery cell is a first position, and a distance from the first position to the center of the battery cell is greater than a distance from the first position to the edge of the battery cell; the battery cell is a winding battery cell.
Optionally, a first end of the second tab is connected to the lower cover, and a second end of the second tab is connected to the battery cell.
Optionally, the lower cover includes a bottom cover and a second cap ring, and the first end of the second tab is disposed at a junction between the bottom cover and the second cap ring; or the first end of the second tab is arranged on the inner surface of the lower cover.
Optionally, the battery structure further includes: the adhesive layer is arranged between the upper cover and the battery core and/or between the lower cover and the battery core, the material of the adhesive layer is an insulating material, and the adhesive layer contains a sticky substance.
The embodiment of the utility model provides an electronic equipment is still provided, a serial communication port, electronic equipment includes the embodiment of the utility model provides a battery structure.
One of the above technical solutions has the following advantages or beneficial effects:
in an embodiment of the present invention, the battery structure includes: the battery comprises an upper cover, a lower cover, a battery core, a first lug and a second lug, wherein the upper cover comprises a top cover and a first cap ring, the first end of the first lug is arranged at the joint between the top cover and the first cap ring, the second end of the first lug is connected with the battery core, and the battery core is arranged in the upper cover and the lower cover. Compare utmost point ear welding on the surface of battery enclosing cover among the prior art like this, the embodiment of the utility model provides a can strengthen the fastness that utmost point ear connects.
Drawings
Fig. 1 is a schematic diagram of a cross section of a battery structure according to an embodiment of the present invention;
fig. 2 is a schematic diagram of a cross-section of another battery configuration provided by an embodiment of the present invention;
fig. 3 is a schematic diagram of a cross-section of another battery configuration provided by an embodiment of the present invention;
fig. 4 is a schematic diagram of a cross-section of another battery configuration provided by an embodiment of the present invention;
fig. 5 is a schematic diagram of a battery structure according to an embodiment of the present invention.
Detailed Description
In order to make the technical problems, technical solutions and advantages to be solved by the present invention clearer, the following detailed description will be given with reference to the accompanying drawings and specific embodiments.
As shown in fig. 1, an embodiment of the present invention provides a structural schematic diagram of a battery structure, as shown in fig. 1, including: the battery comprises an upper cover 11, a lower cover 12, a battery cell 13, a first tab 14 and a second tab 15, wherein the upper cover 11 comprises a top cover 111 and a first cap ring 112, a first end of the first tab 14 is arranged at a joint between the top cover 111 and the first cap ring 112, a second end of the first tab 14 is connected with the battery cell 13, and the battery cell 13 is arranged inside the upper cover 11 and the lower cover 12.
In the embodiment of the present invention, the first end of the first tab 14 is disposed at the joint between the top cover 111 and the first cap ring 112, and the first end of the first tab 14 is fixed in the upper cover 11.
The upper cover 11, the lower cover 12, the first tab 14, and the second tab 15 are metal conductors and have electrical conductivity. In the battery structure, the first tab 14 and the second tab 15 can lead electricity out of the battery cell 13, and the upper cover 11 and the lower cover 12 can be used as different electrodes in the battery structure.
In the embodiment of the present invention, it is right the battery type of the battery structure is not limited, for example, the battery structure can be the structure of a rechargeable battery, the battery structure can also be the structure of a primary battery, and is this the embodiment of the present invention is not limited.
The embodiment of the utility model provides an in, it is right the external shape of battery structure does not do the restriction, for example, the external shape of battery structure can be the cylinder shape, the external shape of battery structure also can be the cuboid shape, and is this the embodiment of the utility model provides a do not do the restriction.
The embodiment of the utility model provides an in, it is right the kind of electric core 13 does not do the restriction, for example, electric core 13 can be coiling formula electric core, also can be for lamination formula electric core, and is right here the embodiment of the utility model provides a do not do the restriction.
The embodiment of the utility model provides an in, right top cap 111 first hatband 112 the lower cover 12 electric core 13 first utmost point ear 14 with the combination mode between the second utmost point ear 15 does not do the restriction, for example, top cap 111 first hatband 112 lower cover 12 electric core 13 first utmost point ear 14 with in the combination technology of second utmost point ear 15, can use injection moulding technology integrated into one piece, also can be used extrusion, can also be used laser welding process, and is right this the embodiment of the utility model provides a do not do the restriction.
In the embodiment of the utility model provides an in, because the first end of first utmost point ear 14 set up in top cap 111 with combination department between the first hatband 112 compares prior art like this, and utmost point ear welding is on the surface of battery enclosing cover, the embodiment of the utility model provides a can strengthen the fastness that utmost point ear connects.
As an alternative embodiment, as shown in fig. 2, the junction between the top cover 111 and the first cap band 112 comprises a wedge-shaped structure comprising a conical surface tapering from the edge of the top cover 111 to the center.
In this embodiment, the wedge-shaped structure is arranged to make the combination of the top cover 111 and the first cap ring 112 tighter, and the first end of the first tab 14 is arranged at the wedge-shaped structure between the top cover 111 and the first cap ring 112, so that the firmness of the connection of the first tab 14 is enhanced.
As an optional embodiment, a circle of convex ring with a V-shaped cross section is arranged at the edge of the top cover 111, and the conical surface of the top cover 111 is the outer surface of the convex ring; alternatively, the first and second electrodes may be,
a circle of chamfer is arranged at the edge of the top cover 111, and the conical surface of the top cover 111 is a chamfer surface; alternatively, the first and second electrodes may be,
the edge of the top cover 111 is provided with a flanging, and the conical surface of the top cover 111 is the outer surface of the flanging; alternatively, the first and second electrodes may be,
the included angle between the generatrix of the conical surface of the top cover 111 and the lower surface of the top cover 111 is 26-61 degrees.
This embodiment improves the firmness of the connection between the top cap 111 and the first cap ring 112, and improves the sealability of the battery structure.
As an alternative embodiment, as shown in fig. 2, the distance from the junction of the conical surface of the top cover 111 and the surface of the first cap ring 112 to the edge of the top cover 111 is 0.03-0.5 mm.
In this embodiment, as shown in fig. 2, a distance from a joint between the conical surface of the top cap 111 and the surface of the first cap ring 112 to the edge of the top cap 111 is 0.03-0.5mm, the first end of the first tab 14 is disposed at the joint between the top cap 111 and the first cap ring 112, so as to avoid the first tab 14 from being exposed, the first tab 14 is completely embedded in the battery structure, and the first end of the first tab 14 is completely embedded in the upper cover 11, so as to improve the sealing performance of the battery structure.
As an alternative embodiment, the conical surface of the wedge-shaped structure is provided with a first strip-shaped groove, the first strip-shaped groove extends along a conical generatrix, and the first tab 14 is located in the first strip-shaped groove.
In this embodiment, the wedge-shaped structure is provided with a spatial structure for placing the first tab 14, the conical surface of the wedge-shaped structure is provided with the first strip-shaped groove, the first tab 14 is located in the first strip-shaped groove, the first tab 14 is closely matched with the first strip-shaped groove, and in addition, the first strip-shaped groove extends along the conical bus, so that the placement position of the first tab 14 is standardized, and the firmness of tab connection is enhanced.
A special space structure is arranged at the joint of the top cover 111 and the first ring cap 112, so that the first tab 14 can be placed, and the sealing performance of the battery structure is improved.
As an alternative embodiment, as shown in fig. 1, the connection point of the first tab 14 and the battery cell 13 is a first position, and the distance from the first position to the center of the battery cell 13 is greater than the distance from the first position to the edge of the battery cell 13; the battery cell 13 is a winding battery cell.
In this embodiment, as shown in fig. 1, the first tab 14 is led out from the edge of the first side of the battery cell 13, so that a possible contact area between the first tab 14 and the battery cell 13 is reduced, a possibility of contact between the first tab 14 and a pole piece in the battery cell 13 is reduced, and a possibility of internal short circuit of the battery structure is reduced.
As an alternative embodiment, as shown in fig. 1, a first end of the second tab 15 is connected to the lower cover 12, and a second end of the second tab 15 is connected to the battery cell 13.
In this embodiment, the second pole lug 15 is led out from the second side of the battery cell 13, the first side of the battery cell 13 and the second side of the battery cell 13 are two opposite sides of the battery cell 13, the first pole lug 14 is connected to the first side of the battery cell 13, and the second pole lug 15 is connected to the second side of the battery cell 13.
In this embodiment, the position where the second end of the second tab 15 is connected to the battery cell 13 is not limited, for example, as shown in fig. 3, the connection position of the second tab 15 and the battery cell 13 may be a second position, a distance from the second position to the center of the battery cell 13 is greater than a distance from the second position to the edge of the battery cell 13, and the second tab 15 may be led out from the edge of the second side of the battery cell 13, so that a possible contact area between the second tab 15 and the battery cell 13 may be reduced, a possibility of contact between the second tab 15 and a pole piece in the battery cell 13 may be reduced, and a possibility of internal short circuit of the battery structure may be reduced.
As an alternative embodiment, as shown in fig. 3, the lower cover 12 includes a bottom cover 121 and a second cap ring 122, and the first end of the second pole ear 15 is disposed at the junction between the bottom cover 121 and the second cap ring 122; alternatively, the first end of the second tab 15 is disposed on the inner surface of the lower cover.
In this embodiment, the first end of the second tab 15 is disposed at the joint between the bottom cover 121 and the second cap ring 122, and the second tab 15 is fixed in the lower cover 12, so that the firmness of the connection of the second tab 15 is enhanced.
When the first end of the second tab 15 is disposed on the inner surface of the lower cover 12, the difficulty of manufacturing the battery structure is reduced in the manufacturing process of the battery.
The second electrode lug 15 is completely embedded in the battery structure, and the first end of the second electrode lug 15 is completely embedded in the lower cover 12, so that the second electrode lug 15 is prevented from being exposed, and the sealing performance of the battery structure is improved.
As an alternative embodiment, as shown in fig. 4, the battery structure further includes: the adhesive layer 16 is disposed between the upper cover 11 and the battery cell 13 and/or between the lower cover 12 and the battery cell 13, the material of the adhesive layer 16 is an insulating material, and the adhesive layer 16 contains a viscous substance.
As shown in fig. 4, the adhesive layer 16 contains a substance having adhesiveness, the adhesive layer 16 is disposed between the upper cover 11 and the battery cell 13 and/or between the lower cover 12 and the battery cell 13, the adhesive layer 16 can be used to adhere between the upper cover 11 and the battery cell 13 and/or between the lower cover 12 and the battery cell 13, and meanwhile, the material of the adhesive layer 16 is an insulating material, so that the contact between the upper cover 1 and the lower cover 2 is avoided, and the possibility of internal short circuit of the battery is reduced.
As shown in fig. 5, fig. 5 is a schematic view of a battery structure provided by an embodiment of the present invention, and the battery structure shown in fig. 5 is a cylinder structure.
In an embodiment of the present invention, the battery structure includes: the battery comprises an upper cover, a lower cover, a battery core, a first lug and a second lug, wherein the upper cover comprises a top cover and a first cap ring, the first end of the first lug is arranged at the joint between the top cover and the first cap ring, the second end of the first lug is connected with the battery core, and the battery core is arranged in the upper cover and the lower cover. Compare prior art like this, utmost point ear welding is on the surface of battery enclosing cover, the embodiment of the utility model provides a can strengthen the fastness that utmost point ear connects.
Additionally, the embodiment of the present invention provides an electronic device including the battery structure of any implementation manner.
The foregoing is a preferred embodiment of the present invention, and it should be noted that, for those skilled in the art, a plurality of improvements and decorations can be made without departing from the principle of the present invention, and these improvements and decorations should also be regarded as the protection scope of the present invention.

Claims (10)

1. A battery structure, comprising: the battery comprises an upper cover, a lower cover, a battery core, a first lug and a second lug, wherein the upper cover comprises a top cover and a first cap ring, the first end of the first lug is arranged at the joint between the top cover and the first cap ring, the second end of the first lug is connected with the battery core, and the battery core is arranged in the upper cover and the lower cover.
2. The battery structure of claim 1, wherein the junction between the top cap and the first cap rim comprises a wedge-shaped structure comprising a conical surface tapering from the edge of the top cap toward the center.
3. The battery structure of claim 2, wherein the edge of the top cover is provided with a ring of convex rings with V-shaped cross sections, and the conical surface of the top cover is the outer surface of the convex rings; alternatively, the first and second electrodes may be,
the edge of the top cover is provided with a circle of chamfer, and the conical surface of the top cover is a chamfer surface; alternatively, the first and second electrodes may be,
the edge of the top cover is provided with a flanging, and the conical surface of the top cover is the outer surface of the flanging; alternatively, the first and second electrodes may be,
the included angle between the generatrix of the conical surface of the top cover and the lower surface of the top cover is 26-61 degrees.
4. The battery structure of claim 2, wherein the distance from the junction of the conical surface of the top cap and the surface of the first cap rim to the edge of the top cap is 0.03-0.5 mm.
5. The battery structure of claim 2, wherein the conical surface of the wedge structure is provided with a first bar groove extending along the conical generatrix, the first tab being located in the first bar groove.
6. The battery structure of claim 1, wherein the junction of the first tab and the cell is a first location, and the first location is a greater distance from the center of the cell than the first location is from the edge of the cell; the battery cell is a winding battery cell.
7. The battery structure of claim 1, wherein a first end of the second tab is coupled to the lower cover and a second end of the second tab is coupled to the cell.
8. The battery structure of claim 7, wherein the lower cover includes a bottom cover and a second cap ring, the first end of the second tab being disposed at a junction between the bottom cover and the second cap ring; or the first end of the second tab is arranged on the inner surface of the lower cover.
9. The battery structure of claim 1, further comprising: the adhesive layer is arranged between the upper cover and the battery core and/or between the lower cover and the battery core, the material of the adhesive layer is an insulating material, and the adhesive layer contains a sticky substance.
10. An electronic device, characterized in that the electronic device comprises a battery structure according to any of claims 1-9.
CN202020383981.3U 2020-03-24 2020-03-24 Battery structure and electronic equipment Active CN211265529U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202020383981.3U CN211265529U (en) 2020-03-24 2020-03-24 Battery structure and electronic equipment

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202020383981.3U CN211265529U (en) 2020-03-24 2020-03-24 Battery structure and electronic equipment

Publications (1)

Publication Number Publication Date
CN211265529U true CN211265529U (en) 2020-08-14

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Family Applications (1)

Application Number Title Priority Date Filing Date
CN202020383981.3U Active CN211265529U (en) 2020-03-24 2020-03-24 Battery structure and electronic equipment

Country Status (1)

Country Link
CN (1) CN211265529U (en)

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