CN215734589U - FPC coil for demagnetization - Google Patents
FPC coil for demagnetization Download PDFInfo
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- CN215734589U CN215734589U CN202121896354.0U CN202121896354U CN215734589U CN 215734589 U CN215734589 U CN 215734589U CN 202121896354 U CN202121896354 U CN 202121896354U CN 215734589 U CN215734589 U CN 215734589U
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Abstract
The utility model discloses an FPC coil for demagnetization, which relates to the field of earphone demagnetization and comprises an FPC main body, wherein a winding type conductive part, a positive electrode, a negative electrode, a positive electrode conductive part and a negative electrode conductive part are arranged on the FPC main body; the positive electrode is electrically connected with the positive electrode conductive part, one end of the winding type conductive part is electrically connected with the negative electrode, and the other end of the winding type conductive part is electrically connected with the negative electrode conductive part; the utility model also provides a core structure for opposite-impact demagnetization, which comprises a winding type core and an FPC coil for demagnetization, wherein the winding type core is provided with a positive electrode lug and a negative electrode lug; the utility model solves the technical problem that the winding type electric core magnetic field influences the earphone loudspeaker magnetic field to cause earphone noise in the prior art.
Description
Technical Field
The utility model relates to the technical field of earphone demagnetization, in particular to an FPC coil for demagnetization.
Background
The earphone is a pair of conversion units which convert the electrical signals of the media player into acoustic signals and convert them into audible sound waves through a speaker. The earphone has the advantages of being capable of listening to sound independently without influencing other people, and being capable of isolating sound of the surrounding environment and the like.
The existing earphone is easy to generate noise or noise, mainly because the magnetic field generated by the winding type battery cell in the earphone conversion unit in the power-on process interferes with the magnetic field on the earphone loudspeaker, thereby influencing the playing quality of the earphone and forming noise, noise and the like.
SUMMERY OF THE UTILITY MODEL
The utility model aims to overcome the defects in the prior art, and provides an FPC coil for demagnetization, which solves the technical problem that a winding type electric core magnetic field influences an earphone loudspeaker magnetic field to cause earphone noise in the prior art.
In order to achieve the above object, the present invention provides an FPC coil for demagnetization, which includes an FPC main body, wherein the FPC main body is provided with a winding type conductive part, a positive electrode, a negative electrode, a positive electrode conductive part, and a negative electrode conductive part; the positive electrode is electrically connected with the positive electrode conductive part, one end of the winding type conductive part is electrically connected with the negative electrode, and the other end of the winding type conductive part is electrically connected with the negative electrode conductive part.
In the above-described aspect, the coiled conductive portion has a circular shape.
Compared with the prior art, the utility model has the beneficial effects that:
when the FPC coil of the technical scheme is used, when the anode and the cathode are respectively electrically connected with an external product, after the power is switched on, the current flows to the anode from the anode conductive part, then the current flows to the cathode from the anode through the product, then the current flows to the winding type conductive part through the cathode, and finally the current flows to the cathode conductive part through the winding type conductive part, at the moment, the FPC coil can generate a magnetic field, when the coil generated by the FPC coil of the technical scheme is overlapped with the magnetic field of the external product, the opposite-impact demagnetization can be realized, and the technical problem that the earphone horn magnetic field is influenced by the winding type electric core magnetic field to cause earphone noise is solved.
The utility model also provides a core structure for opposite-impact demagnetization, which comprises a winding type core and the FPC coil for demagnetization in the technical scheme, wherein the winding type core is provided with a positive electrode lug and a negative electrode lug, the winding type conductive part is attached to the bottom end of the winding type core and is coaxially arranged with the winding type core, the winding direction of the winding type conductive part is opposite to the winding direction of the winding type core, the positive electrode lug is electrically connected with the positive electrode, and the negative electrode lug is electrically connected with the negative electrode.
In the technical scheme, the positive lug is connected with the positive pole in a welding manner.
In the above technical scheme, the negative electrode tab and the negative electrode are connected by welding.
Among the above-mentioned technical scheme, it still includes the label subsides, the label subsides include label subsides main part, first portion of pasting and second portion of pasting, the top at coiling type electricity core is pasted to the label subsides main part, first portion of pasting is pasted at anodal ear and anodal junction, the second portion of pasting is pasted at the junction of negative pole ear and negative pole.
Among the above-mentioned technical scheme, it still includes the protective housing that is used for protecting coiling type electricity core and FPC coil welding point, the protective housing laminating is in the periphery of coiling type electricity core.
In the technical scheme, the protective shell is provided with a groove which is adaptive to a connection point of the positive lug and the positive pole and a connection point of the negative lug and the negative pole.
Compared with the prior art, the utility model has the beneficial effects that:
when the battery cell structure of the technical scheme is used, the winding type electric conduction part is attached to the bottom end of the winding type battery cell, the winding type electric conduction part and the winding type battery cell are coaxially arranged, then electrically connecting the positive pole of the FPC main body with the positive pole ear of the winding type cell, electrically connecting the negative pole of the FPC main body with the negative pole ear of the winding type cell, wherein when the battery is used (discharging), the current direction in the negative pole piece on the winding type cell is anticlockwise, the current direction in the positive pole piece on the winding type cell is clockwise, the magnetic field generated by the winding type battery cell is vertical to the winding section of the winding type battery cell according to ampere law, N poles are arranged outwards and are vertical to the paper surface, S poles are arranged inwards and are vertical to the paper surface, therefore, when the magnetic field generated by the winding type electric core influences the magnetic field of the earphone loudspeaker, the FPC coil is correspondingly designed to be wound anticlockwise and attached to the N pole of the magnetic field generated by the winding type electric core, so that the magnetic fields generated by the winding type electric core mutually collide with each other when the winding type electric core is connected, and the purpose of demagnetization is achieved; when the extending direction of the pole piece is opposite (anticlockwise), the direction of a magnetic field generated by the battery is opposite to the direction of the FPC coil, and the magnetic field generated by the current of the winding type battery core and the magnetic field generated by a reverse coil (opposite to the battery core coil) on the FPC coil are mutually collided and demagnetized by connecting the winding type battery core with the FPC coil in the technical scheme, so that the magnetic field of the battery is prevented from influencing the magnetic field of a loudspeaker of the earphone, and the earphone is prevented from generating noise, noise and the like; the technical problem of earphone noise caused by the influence of a winding type battery cell magnetic field on an earphone loudspeaker magnetic field in the prior art is solved.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly introduced below, and it is obvious that the drawings in the following description are some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.
FIG. 1 is a schematic diagram of a front structure of an FPC coil for degaussing according to the present invention;
FIG. 2 is a schematic diagram of a back side structure of an FPC coil for degaussing according to the present invention;
fig. 3 is a schematic structural diagram of a winding-type cell structure provided by the present invention;
fig. 4 is an exploded view of a winding type cell structure according to the present invention.
Detailed Description
In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, 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 some, but not all, embodiments of the present invention. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
As shown in fig. 1-2, the present embodiment provides an FPC coil for degaussing, which includes an FPC main body 1, wherein the FPC main body 1 is provided with a winding type conductive portion 11, a positive electrode 12, a negative electrode 13, a positive conductive portion 14, and a negative conductive portion 15.
When the FPC coil of the technical scheme is used, when the anode 12 and the cathode 13 are respectively electrically connected with an external product, after the power is on, current flows to the anode 12 from the anode conductive part 14, then the current flows to the cathode 13 from the anode 12 through the product, then flows to the winding type conductive part 11 through the cathode 13, and finally flows to the cathode conductive part 15 through the winding type conductive part 11, at the moment, the FPC coil can generate a magnetic field, when the coil generated by the FPC coil of the technical scheme is overlapped and opposite to the magnetic field of the external product, the magnetic field can be mutually eliminated, and the technical problem that the earphone horn magnetic field is influenced by the winding type electric core magnetic field to cause earphone noise is solved.
The winding type conductive part 11 of the present embodiment is preferably configured to be circular to adapt to the shape of the bottom end of the winding type battery cell, so as to facilitate the attachment of the FPC coil to the winding type battery cell.
Example two
Referring to fig. 3 to 4, the present embodiment further provides a core structure for opposite-polarity degaussing, which includes a winding-type core 2 and the FPC coil for degaussing described in the first embodiment, where the winding-type core 2 is provided with a positive tab 21 and a negative tab 22, the winding-type conductive portion 11 is attached to the bottom end of the winding-type core 2 and is coaxially disposed with the winding-type core 2, the winding direction of the winding-type conductive portion is opposite to the winding direction of the winding-type core, the positive tab 21 is electrically connected to the positive electrode 12, and the negative tab 22 is electrically connected to the negative electrode 13.
Specifically, the wound conductive part 11 is attached to the base end of the wound cell 2, the wound conductive part 11 and the wound cell 2 are coaxially disposed, and the positive electrode 12 of the FPC body 1 and the positive electrode tab 21 of the wound cell 2 are electrically connected, wherein the positive electrode tab 21 and the positive electrode 12 are preferably connected by spot welding. Negative electrode 13 of FPC body 1 is electrically connected to negative electrode tab 22 of winding type electric core 2, and negative electrode tab 22 and negative electrode 13 are preferably spot-welded. When the battery is used (during discharging), the current direction in the negative pole piece on the winding type electric core 2 is anticlockwise, the current direction in the positive pole piece on the winding type electric core 2 is clockwise, the magnetic field generated by the battery is perpendicular to the winding section of the battery according to ampere' S law, the N pole is outward perpendicular to the paper surface, and the S pole is inward perpendicular to the paper surface, so that when the magnetic field generated by the winding type electric core 2 influences the magnetic field of the earphone loudspeaker, the FPC coil is correspondingly designed to wind anticlockwise and is attached to the N pole of the magnetic field generated by the winding type electric core 2, and the magnetic fields generated by the FPC coil and the winding type electric core 2 mutually impact each other when the FPC coil and the winding type electric core are connected, so that the purpose of degaussing is achieved; when the extending direction of the pole piece is opposite (anticlockwise), the direction of a magnetic field generated by the battery is opposite to the direction of the FPC coil, the winding direction of the winding type electric core 2 is coaxial and opposite to the winding direction of the FPC coil through connecting the winding type electric core 2 with the FPC coil, so that the magnetic field generated by current on the winding type electric core 2 and the magnetic field generated when the reverse coil (opposite to the electric core coil) on the FPC coil is output are mutually opposite to be demagnetized, the magnetic field of the winding type electric core 2 is prevented from influencing the magnetic field of an earphone loudspeaker, and the earphone generates noise, noise and the like; the technical problem of earphone noise caused by the influence of a winding type battery cell magnetic field on an earphone loudspeaker magnetic field in the prior art is solved.
The present embodiment also preferably includes a label sticker 3, where the label sticker 3 includes a label sticker main body 31, a first pasting portion 32, and a second pasting portion 33, the label sticker main body 31 is pasted on the top end of the winding type battery cell 2, the first pasting portion 32 is pasted on the connection point of the positive tab 21 and the positive electrode 12, and the second pasting portion 33 is pasted on the connection point of the negative tab 22 and the negative electrode 13. The label sticker 3 can mainly mark and identify the winding type battery cell 2 for finishing processing the FPC coil, and the winding type battery cell 2 is a part of a left ear earphone/a right ear earphone.
It still includes the protective housing 4 that is used for protecting winding type electricity core 2 and FPC coil welding point, and protective housing 4 laminating is in the periphery of winding type electricity core 2. The protective shell 4 is provided with a groove 41 corresponding to the connection point of the positive tab 21 and the positive electrode 12 and the connection point of the negative tab 22 and the negative electrode 13.
The above embodiments are preferred embodiments of the present invention, but the present invention is not limited to the above embodiments, and any other changes, modifications, substitutions, combinations, and simplifications which do not depart from the spirit and principle of the present invention should be construed as equivalents thereof, and all such changes, modifications, substitutions, combinations, and simplifications are intended to be included in the scope of the present invention.
Claims (8)
1. The FPC coil for demagnetization is characterized by comprising an FPC main body (1), wherein a winding type conductive part (11), a positive electrode (12), a negative electrode (13), a positive electrode conductive part (14) and a negative electrode conductive part (15) are arranged on the FPC main body (1);
the positive electrode (12) is electrically connected to a positive electrode conductive part (14), one end of the wound conductive part (11) is electrically connected to a negative electrode (13), and the other end thereof is electrically connected to a negative electrode conductive part (15).
2. The FPC coil for degaussing according to claim 1, wherein the coiled conductive portion (11) is circular.
3. The opposite-impact degaussing battery cell structure is characterized by comprising a winding type battery cell (2) and the FPC coil for degaussing, wherein the winding type battery cell (2) is provided with a positive electrode lug (21) and a negative electrode lug (22), the winding type conductive part (11) is attached to the bottom end of the winding type battery cell (2) and is coaxially arranged with the winding type battery cell (2), the winding direction of the winding type conductive part (11) is opposite to that of the winding type battery cell (2), the positive electrode lug (21) is electrically connected with a positive electrode (12), and the negative electrode lug (22) is electrically connected with a negative electrode (13).
4. The opposite-impact demagnetizing cell structure according to claim 3, wherein the positive tab (21) and the positive electrode (12) are connected by welding.
5. The opposite-impact demagnetizing cell structure according to claim 3, wherein the negative electrode tab (22) and the negative electrode (13) are connected by welding.
6. The opposite-magnetization degaussing battery cell structure according to claim 3, further comprising a label sticker (3), wherein the label sticker (3) comprises a label sticker main body (31), a first sticking portion (32) and a second sticking portion (33), the label sticker main body (31) is stuck to the top end of the winding-type battery cell (2), the first sticking portion (32) is stuck to the connection point of the positive tab (21) and the positive electrode (12), and the second sticking portion (33) is stuck to the connection point of the negative tab (22) and the negative electrode (13).
7. The opposite-impact demagnetizing cell structure according to claim 3, further comprising a protective shell (4) for protecting the winding-type cell (2) and a welding point of an FPC coil, wherein the protective shell (4) is attached to the periphery of the winding-type cell (2).
8. The opposite-impact demagnetizing cell structure according to claim 7, wherein a groove (41) corresponding to a connection point of the positive tab (21) and the positive electrode (12) and a connection point of the negative tab (22) and the negative electrode (13) is formed in the protective shell (4).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121896354.0U CN215734589U (en) | 2021-08-13 | 2021-08-13 | FPC coil for demagnetization |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121896354.0U CN215734589U (en) | 2021-08-13 | 2021-08-13 | FPC coil for demagnetization |
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| CN215734589U true CN215734589U (en) | 2022-02-01 |
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| CN202121896354.0U Active CN215734589U (en) | 2021-08-13 | 2021-08-13 | FPC coil for demagnetization |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115224415A (en) * | 2022-07-14 | 2022-10-21 | 重庆市紫建电子股份有限公司 | Can improve electric core of bluetooth earphone base noise |
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2021
- 2021-08-13 CN CN202121896354.0U patent/CN215734589U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115224415A (en) * | 2022-07-14 | 2022-10-21 | 重庆市紫建电子股份有限公司 | Can improve electric core of bluetooth earphone base noise |
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