CN220041964U - Arc demagnetizing button cell - Google Patents
Arc demagnetizing button cell Download PDFInfo
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- CN220041964U CN220041964U CN202321697992.9U CN202321697992U CN220041964U CN 220041964 U CN220041964 U CN 220041964U CN 202321697992 U CN202321697992 U CN 202321697992U CN 220041964 U CN220041964 U CN 220041964U
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- 238000004804 winding Methods 0.000 claims abstract description 97
- 238000005452 bending Methods 0.000 claims description 27
- 230000005347 demagnetization Effects 0.000 claims description 4
- 238000009413 insulation Methods 0.000 claims description 3
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 6
- 238000010586 diagram Methods 0.000 description 6
- 239000000047 product Substances 0.000 description 5
- 230000000694 effects Effects 0.000 description 4
- 230000005611 electricity Effects 0.000 description 3
- 229910052742 iron Inorganic materials 0.000 description 3
- HBBGRARXTFLTSG-UHFFFAOYSA-N Lithium ion Chemical compound [Li+] HBBGRARXTFLTSG-UHFFFAOYSA-N 0.000 description 2
- 229910000831 Steel Inorganic materials 0.000 description 2
- 229910001416 lithium ion Inorganic materials 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 239000010959 steel Substances 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000004880 explosion Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 239000013589 supplement Substances 0.000 description 1
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Abstract
The utility model belongs to the technical field of batteries, and particularly relates to an arc demagnetizing button battery, which comprises a shell, a demagnetizing piece, an anode pin and a winding electric core, wherein the shell is provided with a first electrode pin and a second electrode pin; the winding battery core is arranged in the shell, and the positive electrode pin is electrically connected with the positive electrode of the winding battery core; the demagnetizing piece comprises an arc demagnetizing body and a negative electrode pin connected with the arc demagnetizing body, the arc demagnetizing body forms an arc along the end face of the shell, and the end part of the arc demagnetizing body, which is far away from the negative electrode pin, is electrically connected with the negative electrode of the winding battery cell through the shell. According to the utility model, the arc demagnetizing body can eliminate the magnetic field generated by the winding electric core, so that the interference of the magnetic field generated by the winding electric core on the electronic product is avoided.
Description
Technical Field
The utility model belongs to the technical field of batteries, and particularly relates to an arc demagnetizing type button battery.
Background
With the popularity and popularity of electronic devices such as wireless bluetooth headsets, button-type lithium ion batteries are widely used in electronic devices.
The current internal electric core of button lithium ion battery is coiling type electric core generally, coiling type electric core is coiling after positive pole piece, diaphragm and negative pole piece are folded and are formed, coiling type electric core can produce the magnetic field in the circular telegram in-process, and this partial magnetic field will produce the interference to electromagnetic sensitive device (such as speaker) around to reduce electronic equipment's quality, reduce user's use experience.
In order to reduce the influence of the magnetic field generated by the negative electrode lug on the electronic equipment, a demagnetizing iron sheet is generally required to be arranged on the button cell, and the magnetic field generated by the demagnetizing iron sheet is utilized to eliminate the magnetic field which is excessive by the negative electrode lug. However, the degaussing effect of the degaussing iron sheet on the button cell is not ideal.
Disclosure of Invention
Aiming at the technical problem that the degaussing effect of the button cell in the prior art is not ideal, the utility model provides an arc-shaped degaussing button cell.
In view of the above technical problems, the embodiment of the utility model provides an arc demagnetizing button battery, which comprises a shell, a demagnetizing piece, an anode pin and a winding electric core; the winding battery core is arranged in the shell, and the positive electrode pin is electrically connected with the positive electrode of the winding battery core;
the demagnetizing piece comprises an arc demagnetizing body and a negative electrode pin connected with the arc demagnetizing body, the arc demagnetizing body forms an arc along the end face of the shell, and the end part of the arc demagnetizing body, which is far away from the negative electrode pin, is electrically connected with the negative electrode of the winding battery cell through the shell.
Optionally, the winding electric core is formed by winding positive plate and negative plate, the opposite ends of winding electric core are equipped with respectively and connect the anodal ear of positive plate and connect the negative ear of negative plate, the anodal ear is kept away from the one end electricity of positive plate is connected the anodal pin, arc degaussing body passes through the casing electricity is connected the anodal ear.
Optionally, the radian of the winding electric core between the positive electrode lug and the negative electrode lug is equal to the radian of the arc demagnetizing body.
Optionally, the demagnetizing piece further includes a positioning pin connected to the arc demagnetizing body, and the positive electrode pin, the negative electrode pin and the positioning pin extend toward the axial direction of the winding electric core; the distance between the positive electrode pin and the negative electrode pin is smaller than the distance between the positive electrode pin and the positioning pin along the axial direction of the winding battery core; and in the radial direction of the winding battery core, the positioning pin is positioned between the positive electrode pin and the negative electrode pin.
Optionally, the positive electrode pin includes a positive electrode conductive portion, a positive electrode extension portion and a positive electrode bending portion, which are sequentially connected, the positive electrode conductive portion is connected to the positive electrode ear, one end of the positive electrode extension portion, which is far away from the positive electrode conductive portion, extends along the axial direction of the winding electric core, and one end of the positive electrode bending portion, which is far away from the positive electrode extension portion, extends towards the radial outer side of the winding electric core;
the negative electrode pin comprises a negative electrode extension part and a negative electrode bending part, and the negative electrode extension part is connected between the arc demagnetizing body and the negative electrode bending part; one end of the negative electrode extension part, which is far away from the arc demagnetizing body, extends along the axial direction of the winding battery core, and one end of the negative electrode bending part, which is far away from the negative electrode extension part, extends towards the radial outer side of the winding battery core;
the positioning pin comprises a positioning extension part and a positioning bending part, and the positioning extension part is connected between the arc demagnetizing body and the positioning bending part; the one end that location extension was kept away from arc demagnetization body is followed the axial extension of coiling electric core, the one end that location bending portion kept away from location extension is towards the radial outside extension of coiling electric core.
Optionally, the length of the negative electrode extension is greater than the length of the negative electrode extension, and the length of the negative electrode extension is greater than the length of the positioning extension.
Optionally, the shell comprises an insulating cover covered on the sleeve, the winding electric core is installed in the sleeve, and the negative electrode lug is abutted with the inner wall of the sleeve;
the insulation cover is provided with a through hole, and the positive electrode pin penetrates through the through hole and is connected with the positive electrode lug; the arc demagnetizing body is attached to the end face of the sleeve.
Optionally, the arc demagnetizing button cell further comprises a first insulating sheet and a second insulating sheet, wherein the first insulating sheet is attached to the end face of the positive electrode pin, which is far away from the insulating cover; the second insulating sheet is installed between the sleeve and the arc-shaped demagnetizing body, and the second insulating sheet is used for including the portion of the arc-shaped demagnetizing body except for the sleeve connection portion.
Optionally, the through hole is coaxially disposed with the winding cell.
Optionally, the arc demagnetizing body is a quarter ring.
In the utility model, the opposite ends of the winding battery core are respectively a positive electrode and a negative electrode, and the magnetic field of the winding battery core is positive from the negative electrode to the positive electrode; the arc demagnetizing body is electrically connected with the negative electrode of the winding electric core through the shell, the current direction on the arc demagnetizing body is clockwise (seen from the bottom view of the shell), and the magnetic field direction of the arc demagnetizing body is opposite to the magnetic field direction generated by the winding electric core according to the right-hand spiral rule, so that the arc demagnetizing body can eliminate the magnetic field generated by the winding electric core, and the interference of the magnetic field generated by the winding electric core to an electronic product is avoided. In addition, the arc demagnetizing button battery is electrically connected with the electronic product through the positive electrode pin and the negative electrode pin, so that the convenience in use of the arc demagnetizing button battery is improved.
Drawings
The utility model will be further described with reference to the drawings and examples.
Fig. 1 is a schematic structural diagram of an arc demagnetizing button cell according to a first embodiment of the present utility model;
fig. 2 is a schematic structural diagram of a demagnetizing piece of an arc demagnetizing button battery according to a first embodiment of the present utility model;
fig. 3 is a schematic structural diagram of an arc demagnetizing button cell according to a second embodiment of the present utility model;
fig. 4 is a schematic diagram of an explosion structure of an arc demagnetizing type button cell according to a second embodiment of the present utility model;
fig. 5 is a schematic structural diagram of an arc demagnetizing button cell according to a third embodiment of the present utility model;
fig. 6 is a schematic structural diagram of an anode pin of an arc demagnetizing button cell according to an embodiment of the present utility model.
Reference numerals in the specification are as follows:
1. a housing; 11. a sleeve; 12. an insulating cover; 2. a demagnetizing member; 21. an arc-shaped demagnetizing body; 22. a negative electrode pin; 221. a negative electrode extension; 222. a negative electrode bending portion; 23. positioning pins; 231. positioning the extension; 232. positioning the bending part; 3. a positive electrode pin; 31. a positive electrode conductive portion; 32. a positive electrode extension; 33. a positive electrode bending portion; 4. winding the battery cell; 5. a first insulating sheet; 6. and a second insulating sheet.
Detailed Description
In order to make the technical problems, technical schemes and beneficial effects solved by the utility model more clear, the utility model is further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are for purposes of illustration only and are not intended to limit the scope of the utility model.
It is to be understood that the directions or positional relationships indicated by the terms "upper", "lower", "left", "right", "front", "rear", "middle", etc., are based on the directions or positional relationships shown in the drawings, are merely for convenience of description and simplification of the description, and do not indicate or imply that the apparatus or element in question must have a specific orientation, be constructed and operated in a specific orientation, and therefore should not be construed as limiting the utility model.
As shown in fig. 1, 3 and 4, an arc demagnetizing button battery according to an embodiment of the present utility model includes a housing 1, a demagnetizing member 2, a positive electrode PIN 3 (i.e., a positive electrode PIN) and a winding core 4; the winding battery core 4 is installed in the shell 1, and the positive electrode pin 3 is electrically connected with the positive electrode of the winding battery core 4.
The demagnetizing piece 2 comprises an arc demagnetizing body 21 and a negative electrode PIN 22 (i.e., a negative electrode PIN) connected with the arc demagnetizing body 21, the arc demagnetizing body 21 forms an arc along the end face of the shell, and the end part of the arc demagnetizing body 21, which is far away from the negative electrode PIN 22, is electrically connected with the negative electrode of the winding battery cell 4 through the shell 1. It will be appreciated that the positive pin 3 and the negative pin 22 are disposed opposite to each other, and the arc demagnetizing button cell is electrically connected to an external electrical device through the positive pin 3 and the negative pin 22 (i.e., the arc demagnetizing button cell supplies power to the external electrical device through the positive pin 3 and the negative pin 22).
In the utility model, the opposite ends of the winding battery core 4 are respectively a positive electrode and a negative electrode, and the magnetic field of the winding battery core 4 is positive from the negative electrode to the positive electrode; the arc demagnetizing body 21 is electrically connected with the negative electrode of the winding electric core 4 through the shell 1, the current direction on the arc demagnetizing body 21 is clockwise (from the view of the bottom of the shell 1), and the magnetic field direction of the arc demagnetizing body 21 is opposite to the magnetic field direction generated by the winding electric core 4 according to the right-hand spiral rule, so that the arc demagnetizing body 21 can eliminate the magnetic field generated by the winding electric core 21, and the interference of the magnetic field generated by the winding electric core 4 to electronic products is avoided. Further, the arc demagnetizing body 21 and the winding electric core 4 are coaxially arranged, so that the accuracy of the arc demagnetizing body 21 installed on the shell 1 is guaranteed, namely, the position accuracy of the arc demagnetizing body 21 and the winding electric core 4 is guaranteed, and the demagnetizing effect of the arc demagnetizing button battery is further improved. In addition, this arc demagnetization formula button cell passes through anodal pin 3 with negative pole pin 22 is connected with the electronic product electricity, has improved the convenience that this arc demagnetization formula button cell used.
In an embodiment, the winding core 4 is formed by winding a positive electrode plate (not shown in the figure) and a negative electrode plate (not shown in the figure), two opposite ends of the winding core 4 are respectively provided with a positive electrode lug (not shown in the figure) connected with the positive electrode plate and a negative electrode lug (not shown in the figure) connected with the negative electrode plate, one end of the positive electrode lug, which is far away from the positive electrode plate, is electrically connected with the positive electrode pin 3, the arc demagnetizing body 21 is electrically connected with the positive electrode lug through the shell 1, and the arc demagnetizing body 21 can be used for demagnetizing a magnetic field additionally generated by the negative electrode lug. It will be appreciated that the separator is disposed between the positive electrode plate and the negative electrode plate, so that no conduction occurs between the positive electrode plate and the negative electrode plate, the winding process of the winding cell 4 is a technology well known to those skilled in the art, and will not be described herein, the housing 1 is a steel shell with conductivity, the positive electrode plate is folded at the upper end of the winding cell 4, the negative electrode tab is folded at the lower end of the winding cell 4, and the length of the negative electrode tab is greater than that of the positive electrode tab.
Specifically, the winding turns of the positive plate and the negative plate are the same, and the current directions on the positive plate and the negative plate are opposite, so that the magnetic fields generated by the positive plate and the negative plate can be mutually offset; the directions of the currents on the positive electrode lug and the negative electrode lug are opposite, and the length of the negative electrode lug is larger than that of the positive electrode lug, so that a part of magnetic field generated by the negative electrode lug counteracts the magnetic field generated by the positive electrode lug, another part of magnetic field generated by the negative electrode lug interferes with an electronic product, the magnetic field generated by the degaussing body 21 is opposite to that generated by the negative electrode lug, and the magnetic field generated by the degaussing body 21 counteracts the magnetic field generated by the negative electrode lug, namely, the degaussing body 21 can eliminate the magnetic field of the winding cell 4.
In an embodiment, the arc of the wound cell 4 between the positive tab and the negative tab is equal to the arc of the arc shaped demagnetizing body 21. As can be appreciated, depending on the manufacturing process of the wound battery, the positive tab and the negative tab are not on the same straight line; the radian of the winding battery cell 4 between the positive electrode tab and the negative electrode tab, that is, the radian of the winding battery cell 4 between a first connection point and a second connection point, wherein the first connection point is a point at which the positive electrode tab is connected with the positive electrode tab, and the second connection point is a point at which the negative electrode tab is connected with the negative electrode tab; in this embodiment, the radian of the winding electric core 4 between the positive electrode tab and the negative electrode tab is equal to the radian of the arc-shaped demagnetizing body 21, so that the arc-shaped demagnetizing body 21 can completely supplement the space between the positive electrode tab and the negative electrode tab, and the arc-shaped demagnetizing body 21 can further counteract the magnetic field additionally generated by the negative electrode tab, thereby further improving the demagnetizing effect of the arc-shaped demagnetizing button battery.
In an embodiment, as shown in fig. 1, 3 and 5, the demagnetizing piece 2 further includes a positioning pin 23 connected to the arc demagnetizing body 21, and the positive electrode pin 3, the negative electrode pin 22 and the positioning pin 23 extend toward the axial direction of the winding electric core 4; the distance between the positive electrode pin 3 and the negative electrode pin 22 is smaller than the distance between the positive electrode pin 3 and the positioning pin 23 along the axial direction of the winding cell 4; in the radial direction of the winding cell 4, the positioning pin 23 is located between the positive electrode pin 3 and the negative electrode pin 22. As will be appreciated, the positive pin 3 extends from the upper end towards the lower end of the winding cell 4, and the negative pin 22 and the positioning pin 23 both extend from the lower end towards the upper end of the winding cell 4; that is, the distance from the positioning pin 23 to the bottom of the case 1 is smaller than the distance from the negative electrode pin 22 to the bottom of the case 1, so that the position of the positive electrode pin 3 can be adjusted by the relative position between the positioning pin 23 and the bottom of the case 1; since the distance between the positive electrode pin 3 and the negative electrode pin 22 is small, the position of the positive electrode pin 3 mounted on the top of the winding cell 4 can be adjusted by the negative electrode pin 22. Conversely, the position of the arc demagnetizing body 21 attached to the bottom of the casing 1 can be adjusted by the positive electrode pin 3, the negative electrode pin 22 and the positioning pin 23, so that the accuracy of attaching the arc demagnetizing body 21 to the bottom of the casing 1 is further ensured. In this embodiment, the design of the positioning pin 23 improves the accuracy of mounting the positive electrode pin 3 and the demagnetizing element 2 on the housing 1.
In an embodiment, as shown in fig. 2 and 6, the positive electrode lead 3 includes a positive electrode conductive portion 31, a positive electrode extension portion 32, and a positive electrode bending portion 33 connected in sequence, wherein the positive electrode conductive portion 31 is connected to the positive electrode tab, an end of the positive electrode extension portion 32 away from the positive electrode conductive portion 31 extends along the axial direction of the winding cell 4, and an end of the positive electrode bending portion 33 away from the positive electrode extension portion 32 extends toward the radial outside of the winding cell 4; as can be appreciated, the positive electrode conductive portion 31 extends in the radial direction of the winding cell 4, the positive electrode pin 3 has a zigzag shape, and the positive electrode extension portion 32 is located outside the case 1.
The negative electrode pin 22 comprises a negative electrode extension part 221 and a negative electrode bending part 222, and the negative electrode extension part 221 is connected between the arc demagnetizing body 21 and the negative electrode bending part 222; one end of the negative electrode extension 221, which is far away from the arc demagnetizing body 21, extends along the axial direction of the winding cell 4, and one end of the negative electrode bending portion 222, which is far away from the negative electrode extension 221, extends towards the radial outer side of the winding cell 4; as can be appreciated, the negative electrode pin 22 has an L-shape, and the negative electrode extension 221 is located outside the case 1.
The positioning pin 23 comprises a positioning extension part 231 and a positioning bending part 232, and the positioning extension part 231 is connected between the arc demagnetizing body 21 and the positioning bending part 232; the end of the positioning extension 231 away from the arc demagnetizing body 21 extends along the axial direction of the winding cell 4, and the end of the positioning bending portion 232 away from the positioning extension 231 extends toward the radial outer side of the winding cell 4. As can be appreciated, the negative electrode pin 22 has an L-shape, and the positioning extension 231 is located outside the case 1. In this embodiment, the positive electrode pin 3 and the demagnetizing element 2 have a simple structure and low manufacturing cost.
In one embodiment, as shown in fig. 1, 2 and 6, the length of the negative electrode extension 221 is greater than the length of the negative electrode extension 221, and the length of the negative electrode extension 221 is greater than the length of the positioning extension 231; so that the distance between the positive electrode pin 3 and the negative electrode pin 22 is smaller than the distance between the positive electrode pin 3 and the positioning pin 23 in the axial direction of the winding cell 4.
In one embodiment, as shown in fig. 1 and 2, the arc-shaped demagnetizing body 21 is a quarter-circle; that is, the arc demagnetizing body 21 has an arc of pi/2, and correspondingly, the winding cell 4 between the positive tab and the negative tab has an arc of pi/2. In the embodiment shown in fig. 3, the arc-shaped demagnetizing body 21 is a half ring; that is, the arc shape demagnetizing body 21 has an arc degree pi, and correspondingly, the winding core 4 between the positive tab and the negative tab has an arc degree pi. In the embodiment shown in fig. 5, the arc-shaped demagnetizing body 21 is a three-quarter ring; that is, the arc of the arc-shaped demagnetizing body 21 is 3 pi/2, and correspondingly, the arc of the winding cell 4 between the positive tab and the negative tab is also 3 pi/2.
In one embodiment, as shown in fig. 4, the housing 1 includes an insulating cover 12 with a sleeve 11 covering the sleeve 11, the winding cell 4 is installed in the sleeve 11, and the negative electrode lug abuts against the inner wall of the sleeve 11; it will be appreciated that the insulating cover 12 may seal the wound cell 4 within the sleeve 11, the sleeve 11 being a steel shell, the sleeve 11 being electrically connected to the negative electrode tab, such that the sleeve 11 is the negative electrode of the wound cell 4.
The insulating cover 12 is provided with a through hole, and the positive electrode pin 3 passes through the through hole and is connected with the positive electrode lug; the arc demagnetizing body 21 is attached to the end face of the sleeve 11. As will be appreciated, the insulating cover 12 can avoid the positive tab from being electrically connected to the positive lead 3 (i.e., the positive conductive portion 31) without being electrically connected to other components, thereby ensuring the insulation of the arc demagnetizing button cell.
In one embodiment, as shown in fig. 4, the arc demagnetizing button battery further includes a first insulating sheet 5 and a second insulating sheet 6, where the first insulating sheet 5 is attached to the end surface of the positive electrode lead 3 away from the insulating cover 12; the second insulating sheet 6 is installed between the sleeve 11 and the arc-shaped demagnetizing body 21, and the second insulating sheet 6 is used to include portions of the arc-shaped demagnetizing body 21 other than the portion connected to the sleeve 11. As can be appreciated, the positive electrode conductive portion 31 of the positive electrode pin 3 is disposed between the insulating cover 12 and the first insulating sheet 5, so that the insulating cover 12 and the first insulating sheet 5 can avoid the positive electrode conductive portion 31 from being electrically connected to other components; the second insulating sheet 6 ensures the tightness of the electrical connection between the arc-shaped demagnetizing body 21 and the bottom of the casing 1.
In an embodiment, as shown in fig. 4, the through hole is disposed coaxially with the winding cell 4. It will be appreciated that the through hole is disposed at the central position of the insulating cover 12, that is, the through hole is located directly above the winding electric core 4 and is coaxially disposed with the winding electric core 4, so that one end of the positive tab, which is far away from the positive plate, extends to the central position of the winding electric core 4, and the positive pin 3 is electrically connected with the positive tab at the central position of the winding electric core 4 through the through hole, so that the accuracy of mounting the positive pin 3 on the housing 1 is further ensured.
In an embodiment, the positive electrode tab and the negative electrode tab are respectively attached to two opposite end faces of the winding electric core 4; that is, the positive tab is attached to the top surface of the winding cell 4, and the negative tab is attached to the bottom of the winding cell 4.
The above embodiments of the arc demagnetizing button cell of the present utility model are merely illustrative, and are not intended to limit the present utility model, and any modifications, equivalent substitutions and improvements made within the spirit and principles of the present utility model should be included in the scope of the present utility model.
Claims (10)
1. An arc demagnetizing button battery is characterized by comprising a shell, a demagnetizing piece, an anode pin and a winding electric core; the winding battery core is arranged in the shell, and the positive electrode pin is electrically connected with the positive electrode of the winding battery core;
the demagnetizing piece comprises an arc demagnetizing body and a negative electrode pin connected with the arc demagnetizing body, the arc demagnetizing body forms an arc along the end face of the shell, and the end part of the arc demagnetizing body, which is far away from the negative electrode pin, is electrically connected with the negative electrode of the winding battery cell through the shell.
2. The arc demagnetizing button battery according to claim 1, wherein the winding core is formed by winding a positive plate and a negative plate, the opposite ends of the winding core are respectively provided with a positive lug connected with the positive plate and a negative lug connected with the negative plate, one end of the positive lug, far away from the positive plate, is electrically connected with the positive pin, and the arc demagnetizing body is electrically connected with the positive lug through the shell.
3. The arc demagnetizing button battery according to claim 2, wherein the arc of the winding core between the positive tab and the negative tab is equal to the arc of the arc demagnetizing body.
4. The arc demagnetizing button battery according to claim 2, wherein the demagnetizing piece further comprises a positioning pin connected to the arc demagnetizing body, the positive electrode pin, the negative electrode pin and the positioning pin all extend toward the axial direction of the winding electric core; the distance between the positive electrode pin and the negative electrode pin is smaller than the distance between the positive electrode pin and the positioning pin along the axial direction of the winding battery core; and in the radial direction of the winding battery core, the positioning pin is positioned between the positive electrode pin and the negative electrode pin.
5. The arc demagnetizing button battery according to claim 4, wherein the positive electrode pin comprises a positive electrode conductive portion, a positive electrode extension portion and a positive electrode bending portion which are sequentially connected, the positive electrode conductive portion is connected with the positive electrode tab, one end of the positive electrode extension portion, which is far away from the positive electrode conductive portion, extends along the axial direction of the winding electric core, and one end of the positive electrode bending portion, which is far away from the positive electrode extension portion, extends towards the radial outer side of the winding electric core;
the negative electrode pin comprises a negative electrode extension part and a negative electrode bending part, and the negative electrode extension part is connected between the arc demagnetizing body and the negative electrode bending part; one end of the negative electrode extension part, which is far away from the arc demagnetizing body, extends along the axial direction of the winding battery core, and one end of the negative electrode bending part, which is far away from the negative electrode extension part, extends towards the radial outer side of the winding battery core;
the positioning pin comprises a positioning extension part and a positioning bending part, and the positioning extension part is connected between the arc demagnetizing body and the positioning bending part; the one end that location extension was kept away from arc demagnetization body is followed the axial extension of coiling electric core, the one end that location bending portion kept away from location extension is towards the radial outside extension of coiling electric core.
6. The arcuately shaped degaussing button cell as set forth in claim 5, wherein the length of the negative extension is greater than the length of the negative extension, and the length of the negative extension is greater than the length of the positioning extension.
7. The arc demagnetizing button battery according to claim 2, wherein the casing comprises an insulating cover covering the sleeve, the winding cell is mounted in the sleeve, and the negative electrode lug is abutted against the inner wall of the sleeve;
the insulation cover is provided with a through hole, and the positive electrode pin penetrates through the through hole and is connected with the positive electrode lug; the arc demagnetizing body is attached to the end face of the sleeve.
8. The arc demagnetizing button battery according to claim 7, further comprising a first insulating sheet and a second insulating sheet, wherein the first insulating sheet is attached to the end face of the positive electrode pin far from the insulating cover; the second insulating sheet is installed between the sleeve and the arc-shaped demagnetizing body, and the second insulating sheet is used for including the portion of the arc-shaped demagnetizing body except for the sleeve connection portion.
9. The arced degaussing button cell in accordance with claim 8, wherein the through hole is disposed coaxially with the winding cell.
10. The arc demagnetizing button cell of any of claims 1 to 9, wherein the arc demagnetizing body is a quarter-circle ring.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321697992.9U CN220041964U (en) | 2023-06-29 | 2023-06-29 | Arc demagnetizing button cell |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321697992.9U CN220041964U (en) | 2023-06-29 | 2023-06-29 | Arc demagnetizing button cell |
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| Publication Number | Publication Date |
|---|---|
| CN220041964U true CN220041964U (en) | 2023-11-17 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321697992.9U Active CN220041964U (en) | 2023-06-29 | 2023-06-29 | Arc demagnetizing button cell |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220041964U (en) |
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- 2023-06-29 CN CN202321697992.9U patent/CN220041964U/en active Active
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