CN220042044U - Winding type button battery - Google Patents
Winding type button battery Download PDFInfo
- Publication number
- CN220042044U CN220042044U CN202321697138.2U CN202321697138U CN220042044U CN 220042044 U CN220042044 U CN 220042044U CN 202321697138 U CN202321697138 U CN 202321697138U CN 220042044 U CN220042044 U CN 220042044U
- Authority
- CN
- China
- Prior art keywords
- plate
- positive
- pin
- demagnetizing
- negative electrode
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
- 238000004804 winding Methods 0.000 title claims abstract description 22
- 238000005452 bending Methods 0.000 claims description 25
- 230000005611 electricity Effects 0.000 claims description 4
- 238000009413 insulation Methods 0.000 claims description 3
- 238000004519 manufacturing process Methods 0.000 description 7
- 230000000694 effects Effects 0.000 description 6
- 238000010586 diagram Methods 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
- 230000005347 demagnetization Effects 0.000 description 2
- 229910001416 lithium ion Inorganic materials 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
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
Landscapes
- Connection Of Batteries Or Terminals (AREA)
Abstract
The utility model belongs to the technical field of batteries, and particularly relates to a winding type button battery which comprises a containing shell, a demagnetizing piece, a positive electrode pin and a battery cell arranged in the containing shell, wherein the battery cell is formed by winding a positive electrode plate and a negative electrode plate, and positive electrode lugs connected with the positive electrode plate and negative electrode lugs connected with the negative electrode plate are respectively arranged at the opposite ends of the battery cell; the demagnetizing piece comprises a demagnetizing plate provided with saw teeth and a negative electrode pin connected with the demagnetizing plate, the two opposite ends of the demagnetizing plate are respectively opposite to the positive electrode lug and the negative electrode lug, and the demagnetizing plate is used for eliminating a magnetic field additionally generated by the negative electrode lug; one end of the positive lug, which is far away from the positive plate, is electrically connected with the positive pin, and one end of the negative lug, which is far away from the negative pin, is electrically connected with the demagnetizing plate through the accommodating shell. According to the utility model, the demagnetizing plate can offset the magnetic field additionally generated by the negative electrode lug, so that the influence of the magnetic field generated by the winding button cell on electronic equipment is reduced.
Description
Technical Field
The utility model belongs to the technical field of batteries, and particularly relates to a winding 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 formula electric core generally, and coiling formula electric core is coiling after positive plate, diaphragm and negative plate stack are established generally, and coiling formula 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 degaussing member is generally required to be arranged on the button cell, and the magnetic field generated by the degaussing member is utilized to eliminate the magnetic field which is excessive by the negative electrode lug. However, in the prior art, the demagnetizing piece has the technical problems of complex structure and unsatisfactory demagnetizing effect.
Disclosure of Invention
The utility model provides a winding type button battery aiming at the technical problems of complex demagnetization structure and unsatisfactory demagnetization effect of the button battery in the prior art.
In view of the above technical problems, the embodiment of the utility model provides a winding type button cell, which comprises a containing shell, a demagnetizing piece, an anode pin and a cell installed in the containing shell, wherein the cell is formed by winding an anode plate and a cathode plate, and the opposite ends of the cell are respectively provided with an anode lug connected with the anode plate and a cathode lug connected with the cathode plate;
the demagnetizing piece comprises a demagnetizing plate provided with saw teeth and a negative electrode pin connected with the demagnetizing plate, the demagnetizing plate is parallel to the end face of the accommodating shell, the opposite ends of the demagnetizing plate are respectively opposite to the positive electrode lug and the negative electrode lug, and the demagnetizing plate is used for eliminating a magnetic field generated by the battery cell;
the positive tab is far away from the one end electricity of positive plate is connected positive pin, the negative tab is far away from the one end of negative pin is through hold the shell and be connected with degaussing plate electricity.
Optionally, on the plane perpendicular to the axis of the battery cell, the part of the positive electrode lug connected with the positive electrode plate coincides with the part of the degaussing plate far away from the degaussing plate connected with the positive electrode pin, and the part of the negative electrode lug connected with the negative electrode plate coincides with one end of the degaussing plate far away from the negative electrode pin.
Optionally, the arc of the cell between the first connection and the second connection is pi/2 in a plane perpendicular to the cell axis; the first connecting part is a part of the positive tab connected with the positive plate, and the second connecting part is a part of the negative tab connected with the negative plate.
Optionally, the demagnetizing piece further includes a positioning pin connected to the demagnetizing plate, and the positive electrode pin, the negative electrode pin and the positioning pin extend toward the axial direction of the electric core; and 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 battery cell.
Optionally, the positioning pin is located between the positive pin and the negative pin on a plane perpendicular to the cell axis.
Optionally, the positive electrode pin includes a positive electrode conductive part, a positive electrode extension part and a positive electrode bending part, which are sequentially connected, the positive electrode conductive part is connected with the positive electrode ear, one end of the positive electrode extension part, which is far away from the positive electrode conductive part, extends along the axial direction of the battery core, and one end of the positive electrode bending part, which is far away from the positive electrode extension part, extends towards the radial outer side of the battery 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 demagnetizing plate and the negative electrode bending part; one end of the negative electrode extension part, which is far away from the demagnetizing plate, extends along the axial direction of the battery cell, 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 battery cell;
the positioning pin comprises a positioning extension part and a positioning bending part, and the positioning extension part is connected between the demagnetizing plate and the positioning bending part; the one end that the location extension was kept away from the degaussing plate is along the axial extension of electric core, the location bending portion is kept away from the one end of location extension is towards the radial outside extension of 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 accommodating shell comprises an insulating end cover with a conductive sleeve covered on the conductive sleeve, the battery cell is installed in the conductive sleeve, and the negative electrode lug is abutted with the inner wall of the conductive sleeve;
the insulation end cover is provided with a through hole, and the positive electrode pin penetrates through the through hole and is electrically connected with the positive electrode lug; the demagnetizing plate is attached to and electrically connected with the end face of the conductive sleeve.
Optionally, the through hole and the electric core are coaxially arranged.
Optionally, the winding 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 end cover; the second insulating sheet is installed between the conductive sleeve and the demagnetizing plate, and the second insulating sheet is used for insulating the demagnetizing plate except for the connection part with the conductive sleeve.
Optionally, the positive electrode lug and the negative electrode lug are respectively attached to two opposite end faces of the battery cell.
In the utility model, the opposite ends of the battery core are respectively a positive electrode and a negative electrode, and the magnetic field of the battery core is positive from the negative electrode to the positive electrode; the demagnetizing plate is electrically connected with the negative electrode of the electric core through the accommodating shell, the current direction on the demagnetizing plate is equal to the clockwise direction (from the view of the accommodating shell), and the magnetic field direction of the demagnetizing plate is opposite to the magnetic field direction generated by the electric core according to the right-hand spiral rule, so that the demagnetizing plate can eliminate the magnetic field generated by the electric core, and the interference of the magnetic field generated by the electric core to electronic products is avoided.
Further, the battery cell is formed by winding a positive plate and a negative plate, 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 magnetic fields generated by the positive plate and the negative plate can be mutually offset; the current directions of 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 demagnetizing plate is opposite to that generated by the negative electrode lug, and the magnetic field generated by the demagnetizing body counteracts the magnetic field generated by the negative electrode lug, namely, the demagnetizing plate can eliminate the magnetic field of the electric core. In addition, the demagnetizing plate is provided with the serrated grooves, so that the manufacturing difficulty and the manufacturing cost of the demagnetizing piece are reduced; and the serrated degaussing plate has better degaussing effect.
Drawings
The utility model will be further described with reference to the drawings and examples.
Fig. 1 is a schematic structural view of a wound button cell according to an embodiment of the present utility model;
fig. 2 is a schematic structural diagram of a demagnetizing piece of a winding button cell according to an embodiment of the present utility model;
fig. 3 is a schematic structural view of a positive tab of a wound button cell according to an embodiment of the present utility model;
fig. 4 is a schematic structural diagram of a demagnetizing element and an anode pin provided in an embodiment of the present utility model mounted on a battery cell;
fig. 5 is a schematic structural diagram of a demagnetizing element and a positive electrode pin according to another view angle of the present utility model when the demagnetizing element and the positive electrode pin are mounted on a battery cell.
Reference numerals in the specification are as follows:
1. a housing case; 2. a demagnetizing member; 21. a demagnetizing plate; 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. a battery cell; 41. a positive electrode tab; 42. a negative electrode ear; 5. 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, 4 and 5, a winding button cell provided by an embodiment of the present utility model includes a housing case 1, a demagnetizing element 2, a positive electrode PIN 3 (i.e., a positive electrode PIN), and a battery cell 4 installed in the housing case 1, wherein the battery cell 4 is formed by winding a positive electrode sheet (not shown in the figure) and a negative electrode sheet (not shown in the figure), and opposite ends of the battery cell 4 are respectively provided with a positive electrode tab 41 connected with the positive electrode sheet and a negative electrode tab 42 connected with the negative electrode sheet; the separator is disposed between the positive electrode sheet and the negative electrode sheet, so that no conduction occurs between the positive electrode sheet and the negative electrode sheet, the process of winding the battery cell 4 is a technology well known to those skilled in the art, and will not be described in detail herein, the accommodating case 1 is a steel case with conductivity, the positive electrode sheet is folded at the upper end of the battery cell 4, and the negative electrode tab 42 is folded at the lower end of the battery cell 4.
The demagnetizing piece 2 comprises a demagnetizing plate 21 provided with saw teeth and a negative electrode PIN 22 (i.e., a negative electrode PIN) connected with the demagnetizing plate 21, the demagnetizing plate 21 is parallel to the end face of the accommodating case 1, the opposite ends of the demagnetizing plate 21 are respectively opposite to the positive electrode lug 41 and the negative electrode lug 42, and the demagnetizing plate 21 is used for eliminating a magnetic field additionally generated by the negative electrode lug 42; it is understood that the demagnetizing plate 21 is connected to the bottom of the housing case 1 and electrically connected to the bottom of the housing case 1.
The end of the positive electrode lug 41, which is far away from the positive electrode piece, is electrically connected with the positive electrode pin 3, and the end of the negative electrode lug 42, which is far away from the negative electrode pin 22, is electrically connected with the demagnetizing plate 21 through the accommodating case 1. As can be appreciated, the negative electrode tab 42 is in contact with both the bottom wall and the inner wall of the housing case 1, so that both the bottom and the side walls of the housing case 1 are negative electrodes; the positive electrode pin 3 and the negative electrode pin 22 are arranged opposite to each other, and the winding button cell is electrically connected with an external electric device through the positive electrode pin 3 and the negative electrode pin 22 (i.e., the winding button cell supplies power to the external electric device through the positive electrode pin 3 and the negative electrode pin 22).
In the utility model, the opposite ends of the battery cell 4 are respectively a positive electrode and a negative electrode, and the magnetic field of the battery cell 4 is positive from the negative electrode to the positive electrode; the demagnetizing plate 21 is electrically connected with the negative electrode of the electric core 4 through the accommodating case 1, the current direction on the demagnetizing plate 21 is equivalent to the clockwise direction (from the bottom view of the accommodating case 1), and the magnetic field direction of the demagnetizing plate 21 is opposite to the magnetic field direction generated by the electric core 4 according to the right-hand spiral rule, so that the demagnetizing plate 21 can eliminate the magnetic field generated by the electric core 21, and the interference of the magnetic field generated by the electric core 4 to the electronic product is avoided.
Further, the battery cell is formed by winding a positive plate and a negative plate, 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 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 demagnetizing plate 21 is opposite to that generated by the negative electrode lug, and the magnetic field generated by the demagnetizing body 21 counteracts the magnetic field generated by the negative electrode lug, namely, the demagnetizing plate 21 can eliminate the magnetic field of the battery cell 4. In addition, the demagnetizing plate 21 is provided with saw-tooth grooves, so that the manufacturing difficulty and the manufacturing cost of the demagnetizing piece 2 are reduced; and the demagnetizing plate 21 having a zigzag shape has a better demagnetizing effect.
In an embodiment, as shown in fig. 4 and fig. 5, on a plane perpendicular to the axis of the electric core 4, a portion of the positive electrode tab 41 connected to the positive electrode tab coincides with a portion of the demagnetizing plate 21 remote from the demagnetizing plate 21 connected to the positive electrode pin 3, and a portion of the negative electrode tab 42 connected to the negative electrode tab coincides with one end of the demagnetizing plate 21 remote from the negative electrode pin 22; that is, on a section perpendicular to the axis of the cell 4, opposite ends of the demagnetizing plate 21 are overlapped with two connection portions of the positive electrode tab 41 and the negative electrode tab 42, respectively, to connect the cell 4, it is understood that, according to the manufacturing process of the wound battery, the positive electrode tab 41 and the negative electrode tab 42 are not on the same straight line, and the positive electrode tab 41 and the negative electrode tab 42 are disposed at opposite ends of the cell 4 in a staggered manner. In this embodiment, the demagnetizing plate 21 may make up the gap between the positive electrode tab 41 and the negative electrode tab 42, so that it is further ensured that the demagnetizing plate 21 may counteract the magnetic field generated by the negative electrode tab 42, thereby further improving the demagnetizing effect of the wound button cell.
In one embodiment, as shown in fig. 4 and 5, the arc of the cell 4 between the first connection portion and the second connection portion is pi/2 in a plane perpendicular to the axis of the cell 4; the first connection part is a part of the positive electrode tab 41 connected with the positive electrode sheet, and the second connection part is a part of the negative electrode tab 42 connected with the negative electrode sheet. It will be appreciated that the opposite ends of the demagnetizing plate 21 are respectively located in a quarter-circular arc position with respect to the housing case 1. In this embodiment, the battery cell 4 has a simple structure and low manufacturing cost.
In an embodiment, as shown in fig. 1, the demagnetizing piece 2 further includes a positioning pin 23 connected to the demagnetizing plate 21, and the positive electrode pin 3, the negative electrode pin 22 and the positioning pin 23 all extend toward the axial direction of the electric core 4; along the axial direction of the battery cell 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. As will be appreciated, the positive pin 3 extends from the upper end towards the lower end of the cell 4, and the negative pin 22 and the positioning pin 23 both extend from the lower end towards the upper end of the cell 4; that is, the distance of the positioning pin 23 from the bottom of the housing case 1 is smaller than the distance of the negative electrode pin 22 from the housing 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 housing 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 battery cell 4 can be adjusted by the negative electrode pin 22. Conversely, the position of the demagnetizing plate 21 attached to the bottom of the accommodating case 1 can be adjusted by the anode pin 3, the cathode pin 22 and the positioning pin 23, so that the accuracy of attaching the demagnetizing plate 21 to the bottom of the accommodating case 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 accommodating case 1, and further improves the demagnetizing effect of the demagnetizing plate 21 on the electric core 4.
In an embodiment, as shown in fig. 4 and 5, the positioning pin 23 is located between the positive electrode pin 3 and the negative electrode pin 22 on a plane perpendicular to the axis of the battery cell 4, so that the position of the demagnetizing element 2 is further adjusted by the positive electrode pin 3, that is, the position accuracy of the demagnetizing element 2 mounted on the housing is further ensured.
In an embodiment, as shown in fig. 2 and 3, 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 41, an end of the positive electrode extension portion 32 away from the positive electrode conductive portion 31 extends along the axial direction of the battery 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 battery cell 4; as can be appreciated, the positive electrode conductive portion 31 extends in the radial direction of the battery cell 4, the positive electrode pin 3 has a zigzag shape, and the positive electrode extension portion 32 is located outside the housing case 1.
The negative electrode pin 22 includes a negative electrode extension 221 and a negative electrode bending portion 222, and the negative electrode extension 221 is connected between the demagnetizing plate 21 and the negative electrode bending portion 222; one end of the negative electrode extension 221, which is far away from the demagnetizing plate 21, extends along the axial direction of the battery 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 battery 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 housing 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 demagnetizing plate 21 and the positioning bending part 232; the positioning extension 231 extends along the axial direction of the battery cell 4 away from one end of the demagnetizing plate 21, and the positioning bending portion 232 extends toward the radial outer side of the battery cell 4 away from one end of the positioning extension 231. As can be appreciated, the negative electrode pin 22 has an L-shape, and the positioning extension 231 is located outside the housing 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. 2 and 3, 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 battery cell 4.
In one embodiment, the accommodating case 1 includes an insulating end cover with a conductive sleeve covering the conductive sleeve, the battery cell 4 is installed in the conductive sleeve, and the negative electrode lug 42 abuts against the inner wall of the conductive sleeve; it will be appreciated that the insulating end cap may seal the cell 4 within the conductive sleeve, which is a steel shell, which is electrically connected to the negative electrode tab 42, such that the conductive sleeve is the negative electrode of the cell 4.
The insulating end cover is provided with a through hole (not shown in the figure), and the positive electrode pin 3 passes through the through hole and is electrically connected with the positive electrode lug 41; the demagnetizing plates 21 are attached to and electrically connected with the end faces of the conductive sleeve. As will be appreciated, the insulating end cap can avoid the positive tab 41 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 wound button cell.
In an embodiment, the through hole is arranged coaxially with the cell 4. It is to be appreciated that the through hole is disposed at the central position of the insulating end cover, that is, the through hole is located right above the electric core 4 and is coaxially disposed with the electric core 4, so that one end of the positive electrode tab 41 away from the positive electrode tab extends to the central position of the electric core 4, and the positive electrode pin 3 is electrically connected with the positive electrode tab 41 at the central position of the electric core 4 through the through hole, so that the accuracy of mounting the positive electrode pin 3 on the accommodating case 1 is further ensured.
In one embodiment, as shown in fig. 1, the coiled button cell further includes a first insulating sheet (not shown in the figure) and a second insulating sheet 5, where the first insulating sheet is attached to an end surface of the positive electrode pin 3, which is far away from the insulating end cover; the second insulating sheet 5 is installed between the conductive sleeve and the demagnetizing plate 21, and the second insulating sheet 5 is used to insulate the demagnetizing plate 21 except for the portion connected to the conductive sleeve. As can be appreciated, the positive electrode conductive portion 31 of the positive electrode pin 3 is disposed between the insulating end cover and the first insulating sheet, so that the insulating end cover and the first insulating sheet can avoid the positive electrode conductive portion 31 from being electrically connected to other components; the second insulating sheet 5 ensures the tightness of the electrical connection of the demagnetizing plate 21 and the bottom of the housing case 1.
The above embodiments of the coiled button cell of the present utility model are merely examples, and are not intended to limit the present utility model, and any modifications, equivalent substitutions, improvements, etc. within the spirit and principles of the present utility model should be included in the scope of the present utility model.
Claims (10)
1. The winding type button battery is characterized by comprising a containing shell, a demagnetizing piece, an anode pin and a battery cell arranged in the containing shell, wherein the battery cell is formed by winding an anode plate and a cathode plate, and the opposite ends of the battery cell are respectively provided with an anode lug connected with the anode plate and a cathode lug connected with the cathode plate;
the demagnetizing piece comprises a demagnetizing plate provided with saw teeth and a negative electrode pin connected with the demagnetizing plate, the demagnetizing plate is parallel to the end face of the accommodating shell, the opposite ends of the demagnetizing plate are respectively opposite to the positive electrode lug and the negative electrode lug, and the demagnetizing plate is used for eliminating a magnetic field generated by the battery cell;
the positive tab is far away from the one end electricity of positive plate is connected positive pin, the negative tab is far away from the one end of negative pin is through hold the shell and be connected with degaussing plate electricity.
2. The coiled button cell of claim 1, wherein, on a plane perpendicular to the axis of the cell, a portion of the positive tab connected to the positive tab coincides with a portion of the degaussing plate remote from the degaussing plate connected to the positive lead, and a portion of the negative tab connected to the negative tab coincides with an end of the degaussing plate remote from the negative lead.
3. The coiled button cell of claim 1, wherein the arc of the cell between the first connection and the second connection is pi/2 in a plane perpendicular to the cell axis; the first connecting part is a part of the positive tab connected with the positive plate, and the second connecting part is a part of the negative tab connected with the negative plate.
4. The coiled button cell defined in claim 1, wherein the degaussing member further comprises a locating pin connected to the degaussing plate, the positive pin, the negative pin, and the locating pin each extending axially toward the electrical core; and 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 battery cell.
5. The wound button cell of claim 4, wherein the locating pin is located between the positive pin and the negative pin in a plane perpendicular to the cell axis.
6. The wound button cell of claim 4, wherein the positive lead comprises a positive conductive portion, a positive extension portion and a positive bent portion connected in sequence, the positive conductive portion is connected to the positive tab, one end of the positive extension portion away from the positive conductive portion extends along the axial direction of the cell, and one end of the positive bent portion away from the positive extension portion extends toward the radial outside of the cell;
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 demagnetizing plate and the negative electrode bending part; one end of the negative electrode extension part, which is far away from the demagnetizing plate, extends along the axial direction of the battery cell, 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 battery cell;
the positioning pin comprises a positioning extension part and a positioning bending part, and the positioning extension part is connected between the demagnetizing plate and the positioning bending part; the one end that the location extension was kept away from the degaussing plate is along the axial extension of electric core, the location bending portion is kept away from the one end of location extension is towards the radial outside extension of electric core.
7. The wound button cell of claim 6, 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.
8. The coiled button cell defined in claim 1, wherein the containment case comprises an insulating end cap with a conductive sleeve covering the conductive sleeve, the cell is mounted within the conductive sleeve, and the negative tab abuts an inner wall of the conductive sleeve;
the insulation end cover is provided with a through hole, and the positive electrode pin penetrates through the through hole and is electrically connected with the positive electrode lug; the demagnetizing plate is attached to and electrically connected with the end face of the conductive sleeve.
9. The wound button cell of claim 8, wherein the through-hole is disposed coaxially with the electrical cell.
10. The coiled button cell of claim 8, further comprising a first insulating sheet and a second insulating sheet, wherein the first insulating sheet is attached to an end face of the positive electrode pin remote from the insulating end cap; the second insulating sheet is installed between the conductive sleeve and the demagnetizing plate, and the second insulating sheet is used for insulating the demagnetizing plate except for the connection part with the conductive sleeve.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321697138.2U CN220042044U (en) | 2023-06-29 | 2023-06-29 | Winding type button battery |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321697138.2U CN220042044U (en) | 2023-06-29 | 2023-06-29 | Winding type button battery |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220042044U true CN220042044U (en) | 2023-11-17 |
Family
ID=88721303
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321697138.2U Active CN220042044U (en) | 2023-06-29 | 2023-06-29 | Winding type button battery |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220042044U (en) |
-
2023
- 2023-06-29 CN CN202321697138.2U patent/CN220042044U/en active Active
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN214124061U (en) | Battery and electronic equipment using same | |
| CN216958145U (en) | Lithium ion battery | |
| JP6230543B2 (en) | Electrical connector and battery comprising the same | |
| US20110262779A1 (en) | Electrochemical Cell with Reduced Magnetic Field Emission and Corresponding Devices | |
| CN215933657U (en) | Battery with a battery cell | |
| CN114976399B (en) | Soft package button cell module, sound generating mechanism and electronic equipment | |
| CN215644894U (en) | Battery and bluetooth headset | |
| CN215911479U (en) | Button cell | |
| WO2024046035A1 (en) | Battery and electronic device | |
| CN220042044U (en) | Winding type button battery | |
| US20110262787A1 (en) | Electrochemical Cell with Reduced Magnetic Field Emission and Corresponding Devices | |
| CN219998355U (en) | Button cell | |
| CN220041964U (en) | Arc demagnetizing button cell | |
| CN215771455U (en) | Battery with a battery cell | |
| CN216213749U (en) | Button cell | |
| JP2013243014A (en) | Battery unit | |
| CN216288660U (en) | Battery with a battery cell | |
| WO2023023997A1 (en) | Battery | |
| CN212907874U (en) | Battery without pole ear | |
| CN214313350U (en) | Button battery case and button battery | |
| CN219998296U (en) | Reel core structure, battery core and button cell | |
| CN216818480U (en) | Button cell elastic sheet and corresponding button cell | |
| CN220571983U (en) | Heating kettle | |
| CN218827722U (en) | Battery with a battery cell | |
| CN217562772U (en) | Button cell and electronic equipment |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |