CN216818480U - Button cell elastic sheet and corresponding button cell - Google Patents
Button cell elastic sheet and corresponding button cell Download PDFInfo
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- CN216818480U CN216818480U CN202220489874.8U CN202220489874U CN216818480U CN 216818480 U CN216818480 U CN 216818480U CN 202220489874 U CN202220489874 U CN 202220489874U CN 216818480 U CN216818480 U CN 216818480U
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Abstract
The utility model provides a button cell spring plate which is used for being welded on an electrode of a button cell body, a winding cell is arranged in the button cell spring plate, and the button cell spring plate comprises a welding part, a connecting part and a demagnetizing part. The welding part is used for welding with the electrode of the battery body, and the interface part is used for being connected with electronic product components. The demagnetizing part is of an arc-shaped structure and is positioned between the welding part and the interface part, when the button cell elastic sheet is welded on the electrode of the cell body, the plane where the demagnetizing part is positioned is vertical to the axial direction of the winding cell, and insulating glue is arranged between the demagnetizing part and the electrode of the cell body. The utility model also provides a corresponding button cell, which comprises a cell body and the button cell elastic sheet. According to the button cell elastic sheet and the button cell, the direction of the magnetic field generated by the demagnetizing part is opposite to that of the magnetic field generated by the winding electric core, so that the magnetic field generated by the winding electric core is reduced, and the electromagnetic radiation is reduced.
Description
Technical Field
The utility model relates to the technical field of batteries, in particular to a button cell elastic sheet and a corresponding button cell.
Background
In recent years, with the rapid development of electronic technologies, the development of intelligent wearable electronic devices is changing day by day and brings great changes to our lives. The intelligent wearable electronic equipment is not only a hardware device, but also realizes powerful functions through software support, data interaction and cloud interaction. Such as wireless bluetooth headsets, smart hearing aids, smart wristwatches, smart glasses, etc. These intelligent wearable electronic products generally contain a lithium ion battery for power supply and many other electronic devices, such as an antenna, a wireless charging module, a speaker, a PCB, etc., wherein the lithium ion battery is increasingly used as a button battery.
In the button cell with the winding cell, the positive plate, the insulating sheet and the negative plate are laminated to form a strip-shaped cell, and the strip-shaped cell is wound around the core column to form the winding cell. Generally, the negative electrode plate is arranged on the outer side of the strip-shaped battery core, so that the length of the negative electrode plate is greater than that of the positive electrode plate, and the length of the negative electrode plate wound around the core column is also greater than that of the positive electrode plate wound around the core column. According to the right-hand screw rule, the extra negative plate can generate a magnetic field vertical to the plane of the button cell when the current changes, and electromagnetic radiation is formed. Along with the design of the intelligent wearable electronic product is more and more compact, in more and more application occasions, the electromagnetic field generated by the button cell battery can interfere with the work of other electronic devices, and some low noise is generated to influence the use experience of the electronic product.
Therefore, it is desirable to provide a button cell spring and a corresponding button cell to solve the above-mentioned problems.
SUMMERY OF THE UTILITY MODEL
The utility model provides a button cell elastic sheet and a corresponding button cell, which aim to solve the technical problems that in the button cell with a winding cell in the prior art, a magnetic field perpendicular to the plane of the button cell is generated when the current changes, and electromagnetic radiation is formed.
In order to solve the technical problems, the technical scheme of the utility model is as follows:
the utility model provides a button cell shell fragment for the welding is on the electrode of the battery body of button, and its inside coiling electricity core that is provided with, the button cell shell fragment includes:
a welding part for welding with an electrode of the battery body;
the interface part is used for being connected with an electronic product component; and the number of the first and second groups,
the demagnetizing part is arranged in an arc-shaped structure and is positioned between the welding part and the interface part, when the button cell elastic sheet is welded on the electrode of the cell body, the plane where the demagnetizing part is positioned is vertical to the axial direction of the winding cell core, the demagnetizing part is arranged between the electrode of the cell body and the insulating glue, and the magnetic field generated by the demagnetizing part is used for reducing the magnetic field generated by the winding cell core.
In the button cell elastic sheet, the length of the demagnetizing part is in direct proportion to the magnetic field intensity generated by the winding electric core.
In the button cell elastic sheet, the curvature of the demagnetizing part is the same as that of the winding electric core.
In the button cell elastic sheet, the button cell elastic sheet is made of stainless steel.
In the button cell elastic sheet, the surface of the welding part is plated with a nickel layer.
In the button cell elastic sheet, the surface of the interface part is plated with a gold layer.
A button cell battery comprising:
the battery comprises a battery body, a winding battery cell and a battery cover, wherein the winding battery cell is arranged in the battery body; and (c) a second step of,
and the welding part of any button cell elastic sheet is welded with the electrode of the cell body.
In the button cell, the magnetic field of the winding electric core points to the positive pole from the negative pole, the welding part is welded with the negative pole of the cell body, and the demagnetizing part is positioned on the right side of the connecting line of the welding part and the interface part.
In the button cell, the magnetic field of the winding electric core points to the positive electrode from the negative electrode, the welding part is welded with the positive electrode of the cell body, and the demagnetizing part is positioned on the left side of the connecting line of the welding part and the interface part.
In the button cell, the magnetic field of the winding electric core points to the positive pole from the negative pole, the number of the button cell elastic sheets is two, the welding part of one button cell elastic sheet is welded with the negative pole of the cell body, and the corresponding demagnetizing part is positioned on the right side of the connecting line corresponding to the welding part and the interface part; the welding part of the other button cell elastic sheet is welded with the positive electrode of the cell body, and the corresponding demagnetizing part is positioned on the left side of the connecting line of the corresponding welding part and the corresponding interface part.
Compared with the prior art, the utility model has the beneficial effects that: in the button cell, the direction of the magnetic field generated by the demagnetizing part is opposite to that of the magnetic field generated by the winding electric core, so that the magnetic field generated by the winding electric core is reduced, and the electromagnetic radiation is reduced.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings required in the embodiments are briefly introduced below, and the drawings in the following description are only corresponding to some embodiments of the present invention.
Fig. 1 is an exploded schematic view of a button cell according to a first embodiment of the utility model.
Fig. 2 is an exploded schematic view of a button cell according to a second embodiment of the utility model.
Fig. 3 is an exploded schematic view of a button cell according to a third embodiment of the utility model.
Wherein the labels of fig. 1 are as follows:
11. a battery body, a battery cover and a battery cover,
12. the spring plate of the button cell is provided with a spring,
121. welding part, 122, interface part, 123, degaussing part.
The labels of FIG. 2 are as follows:
21. a battery body, a battery cover and a battery cover,
22. the spring plate of the button cell is provided with a spring,
221. welding portion 222, interface portion 223, and demagnetizing portion.
The labels of FIG. 3 are as follows:
31. a battery body, a battery cover and a battery cover,
32. the spring plate of the button cell is provided with a spring,
321. welding part, 322, interface part, 323, degaussing part.
In the drawings, elements having similar structures are denoted by the same reference numerals.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be obtained by a person skilled in the art without making any creative effort based on the embodiments in the present invention, belong to the protection scope of the present invention.
In the present invention, directional terms such as "up", "down", "front", "back", "left", "right", "inner", "outer", "side", "top" and "bottom" are used only with reference to the orientation of the drawings, and the directional terms are used for illustration and understanding of the present invention, and are not intended to limit the present invention.
The terms "first," "second," and the like in the terms of the utility model are used for descriptive purposes only and not for purposes of indication or implication relative importance, nor as a limitation on the order of precedence.
In the present invention, unless otherwise expressly stated or limited, the terms "mounted," "connected," "secured," and the like are to be construed broadly and can, for example, be fixedly connected, detachably connected, or integrally formed; can be mechanically or electrically connected; either directly or indirectly through intervening media, either internally or in any other relationship. The specific meanings of the above terms in the present invention can be understood by those skilled in the art according to specific situations.
In the button cell with the winding core in the prior art, when the current changes, a magnetic field perpendicular to the plane of the button cell is generated, and electromagnetic radiation is formed.
The following are preferred embodiments of the button cell and the button cell spring that can solve the above technical problems according to the present invention.
Referring to fig. 1, a button cell according to a first embodiment of the present invention includes a cell body 11 and a button cell elastic sheet 12. The battery body 11 is provided with a winding core (not shown, the same applies below), and the button cell spring 12 includes a welding portion 121, an interface portion 122, and a demagnetizing portion 123. The welding portion 121 is welded to the electrode of the battery body 11 (in an unwelded state in the drawing), the interface portion 122 is used for connecting to an electronic component, and the demagnetizing portion 123 is provided in an arc-shaped configuration and is located between the welding portion 121 and the interface portion 122. The plane of the demagnetizing part 123 is perpendicular to the axial direction of the wound battery core, an insulating glue is disposed between the demagnetizing part 123 and the electrode of the battery body 11, and the magnetic field generated by the demagnetizing part 123 is used for reducing the magnetic field generated by the wound battery core.
In the button cell of the present invention, the direction of the magnetic field generated by the demagnetizing unit 123 is opposite to that of the magnetic field generated by the winding cell, so that the magnetic field generated by the winding cell is reduced, and the electromagnetic radiation is reduced.
Referring to fig. 1, the upper end of the battery body 11 is a negative electrode, the lower end is a positive electrode, and the magnetic field of the winding electric core is directed from the negative electrode to the positive electrode. The welding portion 121 is welded to the negative electrode of the battery body 11, and the demagnetizing portion 123 is located on the right side of the line connecting the welding portion 121 and the interface portion 122. The structure is convenient for arranging the button cell elastic sheet 12 at the negative pole of the cell body 11 according to actual needs.
Referring to fig. 1, the length of the demagnetizing unit 123 is proportional to the magnetic field intensity generated by the winding core. This structure facilitates the length adjustment of the degaussing portion 123 according to the intensity of the magnetic field generated by the winding core, thereby enabling the degaussing portion 123 to generate a magnetic field with an appropriate intensity.
With continued reference to fig. 1, the curvature of the degaussing portion 123 is the same as the curvature of the winding core. The structure further improves the effect of reducing the magnetic field generated by the winding electric core.
Referring to fig. 1, the button cell elastic piece 12 is made of stainless steel, and may be made of stainless steel SUS 304. The structure can effectively improve the conductivity of the button cell elastic sheet 12.
With reference to fig. 1, the surface of the soldering portion 121 is plated with a nickel layer, which can effectively improve the soldering performance and the conductive stability of the soldering portion 121.
Referring to fig. 1, the surface of the interface portion 122 is plated with a gold layer, which can effectively improve the electrical connection stability of the interface portion 122.
Referring to fig. 2, a button cell according to a second embodiment of the present invention includes a cell body 21 and a button cell elastic sheet 22. The battery body 21 is provided with a winding core (not shown), and the button cell spring 22 includes a welding portion 221, a connecting portion 222, and a demagnetizing portion 223. The welding part 221 is welded to the electrode of the battery body 21 (in the non-welded state in the drawing), the interface part 222 is used for connecting to the electronic component, and the demagnetizing part 223 is provided in an arc-shaped configuration and is located between the welding part 221 and the interface part 222. The plane of the demagnetizing part 223 is perpendicular to the axial direction of the wound battery core, an insulating glue is arranged between the demagnetizing part 223 and the electrode of the battery body 21, and the magnetic field generated by the demagnetizing part 223 is used for reducing the magnetic field generated by the wound battery core.
In the button cell of the utility model, the direction of the magnetic field generated by the demagnetizing part 223 is opposite to that of the magnetic field generated by the winding electric core, thereby reducing the magnetic field generated by the winding electric core and reducing the electromagnetic radiation.
Referring to fig. 2, the upper end of the battery body 21 is a negative electrode, the lower end is a positive electrode, and the magnetic field of the winding electric core is directed from the negative electrode to the positive electrode. The button cell of the present embodiment is different from the button cell of the first embodiment in that the welding portion 221 is welded to the positive electrode of the battery body 21, and the demagnetizing portion 223 is located on the left side of the line connecting the welding portion 221 and the connecting portion 222. The structure is convenient for arranging the button cell elastic sheet 22 at the positive pole of the cell body 21 according to actual needs.
Referring to fig. 3, a button cell according to a third embodiment of the present invention includes a cell body 31 and a button cell elastic sheet 32. The battery body 31 is provided with a winding core (not shown), and the button cell spring 32 includes a welding portion 321, an interface portion 322, and a demagnetizing portion 323. The welding portion 321 is welded to the electrode of the battery body 31 (in an unwelded state in the drawing), the interface portion 322 is used for connecting to an electronic component, and the demagnetizing portion 323 is provided in an arc-shaped configuration and is located between the welding portion 321 and the interface portion 322. The plane of the demagnetizing part 323 is perpendicular to the axial direction of the wound battery core, an insulating glue is arranged between the demagnetizing part 323 and the electrode of the battery body 31, and the magnetic field generated by the demagnetizing part 323 is used for reducing the magnetic field generated by the wound battery core.
In the button cell, the direction of the magnetic field generated by the demagnetizing part 323 is opposite to that of the magnetic field generated by the winding electric core, so that the magnetic field generated by the winding electric core is reduced, and the electromagnetic radiation is reduced.
Referring to fig. 3, the upper end of the battery body 31 is a negative electrode, the lower end is a positive electrode, and the magnetic field of the winding core is directed from the negative electrode to the positive electrode. The button cell of the present embodiment is different from the button cell of the first embodiment in that two button cell elastic pieces 32 are provided, a welding portion 321 of one button cell elastic piece 32 is welded to the negative electrode of the cell body 31, and the corresponding degaussing portion 323 is located on the right side of the connection line between the corresponding welding portion 321 and the corresponding interface portion 322. The welding part 321 of the other button cell elastic sheet 32 is welded with the positive electrode of the cell body 31, and the corresponding demagnetizing part 323 is positioned on the left side of the connecting line of the corresponding welding part 321 and the corresponding interface part 322. When the magnetic field of the winding battery cell is large, the structure can effectively enhance the reduction force.
The working principle of the button cell of the utility model takes the third embodiment as an example:
the magnetic field of the winding electric core is directed to the positive electrode from the negative electrode, the button cell elastic sheet 32 arranged on the negative electrode of the cell body 31 has the current in the anticlockwise direction, and when the current changes, the direction of the generated magnetic field is directed to the negative electrode from the positive electrode according to the right-hand spiral rule, so that the magnetic field of the winding electric core is reduced; the current of the button cell elastic sheet 32 arranged at the positive electrode of the cell body 31 is also in the counterclockwise direction, and when the current changes, the direction of the generated magnetic field is directed from the positive electrode to the negative electrode according to the right-hand screw rule, so that the magnetic field of the wound electric core is reduced.
This completes the working principle of the button cell of the preferred embodiment.
In the button cell, the direction of the magnetic field generated by the demagnetizing part is opposite to that of the magnetic field generated by the winding electric core, so that the magnetic field generated by the winding electric core is reduced, and the electromagnetic radiation is reduced.
In summary, although the present invention has been described with reference to the preferred embodiments, the above-described preferred embodiments are not intended to limit the present invention, and those skilled in the art can make various changes and modifications without departing from the spirit and scope of the present invention, therefore, the scope of the present invention shall be determined by the appended claims.
Claims (10)
1. The utility model provides a button cell shell fragment, its characterized in that for the welding is on the electrode of the battery body of button, and its inside coiling electricity core that is provided with, the button cell shell fragment includes:
a welding part for welding with an electrode of the battery body;
the interface part is used for being connected with an electronic product component; and (c) a second step of,
the demagnetizing part is arranged in an arc-shaped structure and is positioned between the welding part and the interface part, when the button cell elastic sheet is welded on the electrode of the cell body, the plane where the demagnetizing part is positioned is vertical to the axial direction of the winding cell core, the demagnetizing part is arranged between the electrode of the cell body and the insulating glue, and the magnetic field generated by the demagnetizing part is used for reducing the magnetic field generated by the winding cell core.
2. The button cell spring plate of claim 1, wherein the length of the degaussing portion is proportional to the intensity of the magnetic field generated by the winding core.
3. The button cell spring plate according to claim 1, wherein the curvature of the degaussing portion is the same as the curvature of the winding core.
4. The button cell spring according to claim 1, wherein the button cell spring is made of stainless steel.
5. The button cell spring plate according to claim 1, wherein the surface of the welding part is plated with nickel layer.
6. The button cell spring piece according to claim 1, wherein the interface part is plated with gold layer on the surface.
7. A button cell battery, comprising:
the battery comprises a battery body, a winding battery cell and a battery cover, wherein the winding battery cell is arranged in the battery body; and the number of the first and second groups,
the button cell tab of any one of claims 1-6, wherein the welding portion is welded to the electrode of the cell body.
8. The button cell battery according to claim 7, wherein the battery body has a negative electrode at the upper end and a positive electrode at the lower end, the magnetic field of the wound core is directed from the negative electrode to the positive electrode, the welding portion is welded to the negative electrode of the battery body, and the degaussing portion is located at the right side of a connecting line between the welding portion and the interface portion.
9. The button cell according to claim 7, wherein the upper end of the cell body is a negative electrode, the lower end of the cell body is a positive electrode, the magnetic field of the wound cell is directed from the negative electrode to the positive electrode, the welding portion is welded to the positive electrode of the cell body, and the demagnetizing portion is located on the left side of a connecting line between the welding portion and the interface portion.
10. The button cell battery according to claim 7, wherein the upper end of the battery body is a negative electrode, the lower end of the battery body is a positive electrode, the magnetic field of the wound core is directed from the negative electrode to the positive electrode, the number of the button cell spring pieces is two, the welding part of one button cell spring piece is welded to the negative electrode of the battery body, and the corresponding demagnetizing part is located on the right side of a connecting line between the welding part and the corresponding interface part; the welding part of the other button cell elastic sheet is welded with the positive electrode of the cell body, and the corresponding demagnetizing part is positioned on the left side of the connecting line of the corresponding welding part and the corresponding interface part.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220489874.8U CN216818480U (en) | 2022-03-08 | 2022-03-08 | Button cell elastic sheet and corresponding button cell |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220489874.8U CN216818480U (en) | 2022-03-08 | 2022-03-08 | Button cell elastic sheet and corresponding button cell |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN216818480U true CN216818480U (en) | 2022-06-24 |
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ID=82046369
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202220489874.8U Active CN216818480U (en) | 2022-03-08 | 2022-03-08 | Button cell elastic sheet and corresponding button cell |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN216818480U (en) |
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2022
- 2022-03-08 CN CN202220489874.8U patent/CN216818480U/en active Active
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