CN219677418U - Noise reduction button cell and TWS earphone - Google Patents
Noise reduction button cell and TWS earphone Download PDFInfo
- Publication number
- CN219677418U CN219677418U CN202321155897.6U CN202321155897U CN219677418U CN 219677418 U CN219677418 U CN 219677418U CN 202321155897 U CN202321155897 U CN 202321155897U CN 219677418 U CN219677418 U CN 219677418U
- Authority
- CN
- China
- Prior art keywords
- face
- button cell
- sheet
- magnetism isolating
- noise reduction
- 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.)
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Links
- 230000009467 reduction Effects 0.000 title claims abstract description 26
- 230000005389 magnetism Effects 0.000 claims abstract description 66
- 230000002093 peripheral effect Effects 0.000 claims abstract description 18
- 210000004027 cell Anatomy 0.000 claims description 40
- 210000005056 cell body Anatomy 0.000 claims description 21
- 239000006148 magnetic separator Substances 0.000 claims description 10
- 229910001004 magnetic alloy Inorganic materials 0.000 claims description 9
- 239000004820 Pressure-sensitive adhesive Substances 0.000 claims description 8
- 239000010410 layer Substances 0.000 claims description 8
- 230000000903 blocking effect Effects 0.000 claims description 4
- 238000002955 isolation Methods 0.000 claims description 3
- 229910000831 Steel Inorganic materials 0.000 abstract description 3
- 239000010959 steel Substances 0.000 abstract description 3
- WHXSMMKQMYFTQS-UHFFFAOYSA-N Lithium Chemical compound [Li] WHXSMMKQMYFTQS-UHFFFAOYSA-N 0.000 abstract description 2
- 229910052744 lithium Inorganic materials 0.000 abstract description 2
- 230000004888 barrier function Effects 0.000 description 4
- 230000009286 beneficial effect Effects 0.000 description 2
- WABPQHHGFIMREM-UHFFFAOYSA-N lead(0) Chemical compound [Pb] WABPQHHGFIMREM-UHFFFAOYSA-N 0.000 description 2
- 125000006850 spacer group Chemical group 0.000 description 2
- 230000009471 action Effects 0.000 description 1
- 229910045601 alloy Inorganic materials 0.000 description 1
- 239000000956 alloy Substances 0.000 description 1
- 238000004891 communication Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 238000003780 insertion Methods 0.000 description 1
- 230000037431 insertion Effects 0.000 description 1
- 230000002452 interceptive effect Effects 0.000 description 1
- 239000000463 material Substances 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
- 238000004804 winding Methods 0.000 description 1
Classifications
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E60/00—Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
- Y02E60/10—Energy storage using batteries
Landscapes
- Battery Mounting, Suspending (AREA)
Abstract
The utility model provides a noise-reducing button battery and a TWS earphone, and relates to the technical field of lithium batteries, wherein the noise-reducing button battery comprises a button battery body, the button battery body is provided with a first end face and a second end face, the first end face is arranged above the button battery, and the second end face is arranged below the button battery; a first tab is arranged on the first end face, and a second tab is arranged on the peripheral side face of the button cell; a first magnetism isolating sheet is arranged on the first end face, a second magnetism isolating sheet is arranged on the peripheral side face, and the second magnetism isolating sheet covers the second lug. The first end face of the button battery main body of the noise reduction button battery is provided with the first magnetism isolating sheet, and the peripheral side face of the button battery main body is provided with the second magnetism isolating sheet; the first magnetism isolating sheet and the second magnetism isolating sheet are matched with each other to isolate the magnetic steel of the button battery body and the loudspeaker, so that the mutual interference of the magnetic field of the button electric body and the magnetic field of the loudspeaker is avoided, and noise is generated.
Description
Technical Field
The utility model relates to the technical field of lithium batteries, in particular to a noise reduction button battery and a TWS earphone.
Background
TWS (real wireless Bluetooth) earphone has the characteristics of small volume, light weight, quick connection, convenient use and the like.
Is popular with consumers since then. The portable and compact characteristics are not only the advantages of the portable sound box, but also the 'disadvantages'. In order to facilitate insertion and reduce the volume, the battery is required to be made cylindrical for assembly.
In order to meet the small and portable use requirement of people on the earphone, the development of the TWS earphone has a new problem: the magnetic field inside the winding cylindrical battery and the magnetic field of the earphone horn are mutually interfered to generate noise.
Disclosure of Invention
The utility model aims to provide a noise reduction button battery and a TWS earphone so as to relieve the technical problem that the magnetic fields of the button battery and a loudspeaker are mutually interfered to generate noise.
The utility model provides a noise reduction button battery, which comprises a button battery main body, wherein the button battery main body is provided with a first end face and a second end face, the first end face is arranged above the button battery, and the second end face is arranged below the button battery;
a first tab is arranged on the first end face, and a second tab is arranged on the peripheral side face of the button cell;
a first magnetism isolating sheet is arranged on the first end face, a second magnetism isolating sheet is arranged on the peripheral side face, and the second magnetism isolating sheet covers the second lug.
In an alternative embodiment, a magnetism isolating connection piece is arranged between the first magnetism isolating piece and the second magnetism isolating piece.
In an alternative embodiment, the first magnetism isolating sheet, the second magnetism isolating sheet and the magnetism isolating connecting sheet are magnetism isolating sheets;
the magnetic isolation sheet comprises a PI film, a soft magnetic alloy and a pressure sensitive adhesive layer; the soft magnetic alloy is provided with the pressure sensitive adhesive layer on one side facing the button cell main body, and the PI film is arranged on one side facing away from the button cell main body.
In an alternative embodiment, the first magnetic barrier sheet completely covers the first end face.
In an alternative embodiment, the first lead-out wire of the first tab and the second lead-out wire of the second tab pass through a gap between the second magnetism-isolating sheet and the peripheral side surface and extend downward.
In an alternative embodiment, the button cell body comprises an outer housing and a battery cell, the battery cell being disposed within the outer housing;
the first tab and the second tab are respectively connected with the battery cell.
In an alternative embodiment, a third magnetism isolating sheet is arranged on the second end face.
In an alternative embodiment, the thickness of the magnetic barrier sheet is 0.15mm.
The first end face of the button battery main body of the noise reduction button battery is provided with the first magnetism isolating sheet, and the peripheral side face of the button battery main body is provided with the second magnetism isolating sheet; the first magnetism isolating sheet and the second magnetism isolating sheet are matched with each other to isolate the magnetic steel of the button battery body and the loudspeaker, so that the mutual interference of the magnetic field of the button electric body and the magnetic field of the loudspeaker is avoided, and noise is generated.
The utility model provides a TWS earphone which comprises the noise reduction button battery and a loudspeaker.
In an alternative embodiment, the side of the button cell body having the second magnetic separator sheet faces the horn.
Compared with the prior art, the TWS earphone provided by the utility model has the noise reduction button cell provided by the utility model, so that the TWS earphone has all the beneficial effects of the noise reduction button cell provided by the utility model.
Drawings
In order to more clearly illustrate the embodiments of the present utility model or the technical solutions in the prior art, the drawings that are needed in the description of the embodiments or the prior art will be briefly described, and it is obvious that the drawings in the description below are some embodiments of the present utility model, and other drawings can be obtained according to the drawings without inventive effort for a person skilled in the art.
Fig. 1 is a schematic structural diagram of a noise reduction button cell provided by an embodiment of the utility model;
fig. 2 is a schematic structural view of a button cell body of the noise reduction button cell shown in fig. 1.
Icon: 100-a first magnetism isolating sheet; 200-magnetism isolating connecting piece; 300-a second magnetism isolating sheet; 400-a first lead-out wire; 500-a second lead-out wire; 600-button cell body; 601—a first end face; 602-peri-lateral sides.
Detailed Description
The terms "first," "second," "third," and the like are used merely for distinguishing between descriptions and not for indicating a sequence number, nor are they to be construed as indicating or implying relative importance.
Furthermore, the terms "horizontal," "vertical," "overhang," and the like do not denote a requirement that the component be absolutely horizontal or overhang, but rather may be slightly inclined. As "horizontal" merely means that its direction is more horizontal than "vertical", and does not mean that the structure must be perfectly horizontal, but may be slightly inclined.
In the description of the present utility model, it should be noted that, directions or positional relationships indicated by terms such as "inner", "outer", "left", "right", "upper", "lower", etc., are based on directions or positional relationships shown in the drawings, or directions or positional relationships conventionally put in use of the product of the application, are merely for convenience of describing the present utility model and simplifying the description, and are not indicative or implying that the apparatus or element to be referred to must have a specific direction, be configured and operated in a specific direction, and thus should not be construed as limiting the present utility model.
In the description of the present utility model, unless explicitly stated and limited otherwise, the terms "disposed," "mounted," "connected," and "coupled" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communication between two elements.
The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings.
Referring to fig. 1 and 2, the present utility model provides a noise reduction button cell, comprising a button cell body 600, wherein the button cell body 600 has a first end face 601 and a second end face, the first end face 601 is disposed above the button cell, and the second end face is disposed below the button cell;
a first tab is disposed on the first end face 601, and a second tab is disposed on the peripheral side face 602 of the button cell;
the first end surface 601 is provided with a first magnetism isolating sheet 100, the circumferential side surface 602 is provided with a second magnetism isolating sheet 300, and the second magnetism isolating sheet 300 covers the second pole lug.
In some embodiments, the button cell body 600 of the noise reduction button cell has a first end face 601 and a second end face, and a peripheral side face 602 is between the first end face 601 and the second end face; wherein, a first tab is arranged on the first end face 601, and a second tab is arranged on the peripheral side face 602; the first magnetic separator sheet 100 can cover the first end surface 601, thus isolating the magnetic field emitted at the first end surface 601; the second magnetism isolating sheet 300 is covered on the peripheral side 602, and the second magnetism isolating sheet 300 is used for isolating the magnetic field emitted by the peripheral side 602 of the button cell body 600, so that the magnetic field of the button cell body 600 does not interfere with the horn, and noise generated by the horn is avoided.
In an alternative embodiment, a magnetism isolating connection piece 200 is disposed between the first magnetism isolating sheet 100 and the second magnetism isolating sheet 300.
In an alternative embodiment, the first magnetism isolating sheet 100, the second magnetism isolating sheet 300 and the magnetism isolating connection sheet 200 are magnetism isolating sheets;
the magnetic isolation sheet comprises a PI film, a soft magnetic alloy and a pressure sensitive adhesive layer; the side of the soft magnetic alloy facing the button cell body 600 is provided with the pressure sensitive adhesive layer, and the side of the soft magnetic alloy facing away from the button cell body 600 is provided with the PI film.
In some embodiments, a magnetism isolating connection piece 200 is provided between the first magnetism isolating piece 100 and the second magnetism isolating piece 300, wherein one end of the magnetism isolating connection piece 200 is connected with the first magnetism isolating piece 100, and the other end is connected with the second magnetism isolating piece 300; generally, the first magnetism isolating sheet 100 is fixed to the first end face 601, and then the second magnetism isolating sheet 300 is fixed to the peripheral side face 602; wherein, the first magnetism isolating sheet 100, the second magnetism isolating sheet 300 and the magnetism isolating connecting sheet 200 are magnetism isolating sheets, the soft magnetic alloy of the magnetism isolating sheets is the existing alloy, wherein, one side of the soft magnetic alloy is provided with a pressure sensitive adhesive layer, and the other side is provided with a PI film; the magnetic separator sheet is fixed to the button cell body 600 by a pressure-sensitive adhesive layer; wherein, PI film is the existing material.
In an alternative embodiment, the first magnetic separator sheet 100 completely covers the first end surface 601.
In an alternative embodiment, the first lead-out wire 400 of the first tab and the second lead-out wire 500 of the second tab pass through a gap between the second magnetism blocking sheet 300 and the circumferential side 602 and extend downward.
In order to isolate the magnetic field emitted from the first end face 601 of the button cell main body 600, the first magnetic isolating sheet 100 completely covers the first end face 601, so that the magnetic field of the first end face 601 is completely isolated at the lower end of the first magnetic isolating sheet 100, and the influence on the sound quality of the loudspeaker due to the magnetic field emitted from the first end face 601 is reduced.
Since the button cell body 600 covers the spacer only at the portions of the first end face 601 and the peripheral side face 602, the space occupied by the spacer is reduced, the size of the finished button cell is reduced, and the improvement of energy density is facilitated.
The connection part of the first tab and the first outgoing line 400 and the connection part of the second tab and the second outgoing line 500 are covered by the magnetism isolating sheet; the first lead-out wire 400 and the second lead-out wire 500 pass through a gap between the second magnetism blocking sheet 300 and the circumferential side 602; and the first lead wire 400 and the second lead wire 500 are wound around each other.
In an alternative embodiment, the button cell body 600 includes an outer case and a battery cell, the battery cell being disposed within the outer case;
the first tab and the second tab are respectively connected with the battery cell.
The first tab is generally connected to the negative electrode of the button battery body 600, and the second tab is generally connected to the positive electrode of the button battery body 600, i.e., the first tab is a negative electrode tab, and the second tab is a positive electrode tab.
In an alternative embodiment, a third magnetism isolating sheet is arranged on the second end face.
In an alternative embodiment, the thickness of the magnetic barrier sheet is 0.15mm.
A third magnetism isolating sheet may be further disposed on the second end surface, or the whole button cell body 600 may be wrapped by the magnetism isolating sheet; the thickness of the magnetic barrier sheet is generally in the range of 0.1 to 0.2mm, preferably 0.15mm.
The first end face 601 of the button cell main body 600 of the noise reduction button cell is provided with a first magnetism isolating sheet 100, and the peripheral side face 602 is provided with a second magnetism isolating sheet 300; the first magnetic separator sheet 100 and the second magnetic separator sheet 300 are matched with each other to isolate the magnetic steel of the button cell body 600 and the horn, so that the magnetic field of the button electric body and the magnetic field of the horn are prevented from interfering with each other, and noise is generated.
The utility model provides a TWS earphone which comprises the noise reduction button battery and a loudspeaker.
In an alternative embodiment, the side of the button cell body 600 having the second magnetism blocking sheet 300 faces the horn.
The horn of the TWS headset is located at one end of the button cell body 600 having the second magnetism isolating sheet 300; the second magnetism isolating sheet 300 reduces the propagation to the horn direction under the action of the second magnetism isolating sheet 300, which causes the magnetic field emitted from the button cell main body 600; and further, the influence of the magnetic field of the button cell body 600 on the horn is reduced.
Compared with the prior art, the TWS earphone provided by the utility model has the noise reduction button cell provided by the utility model, so that the TWS earphone has all the beneficial effects of the noise reduction button cell provided by the utility model.
Finally, it should be noted that: the above embodiments are only for illustrating the technical solution of the present utility model, and not for limiting the same; although the utility model has been described in detail with reference to the foregoing embodiments, it will be understood by those of ordinary skill in the art that: the technical scheme described in the foregoing embodiments can be modified or some or all of the technical features thereof can be replaced by equivalents; such modifications and substitutions do not depart from the spirit of the utility model.
Claims (10)
1. The noise reduction button battery is characterized by comprising a button battery body (600), wherein the button battery body (600) is provided with a first end face (601) and a second end face, the first end face (601) is arranged above the button battery, and the second end face is arranged below the button battery;
a first tab is arranged on the first end face (601), and a second tab is arranged on the peripheral side face (602) of the button cell;
a first magnetism-isolating sheet (100) is provided on the first end surface (601), a second magnetism-isolating sheet (300) is provided on the peripheral side surface (602), and the second magnetism-isolating sheet (300) covers the second lug.
2. The noise reduction button cell as defined in claim 1, wherein a magnetism isolating connection piece (200) is provided between the first magnetism isolating piece (100) and the second magnetism isolating piece (300).
3. The noise reduction button cell of claim 2, wherein the first magnetic separator sheet (100), the second magnetic separator sheet (300) and the magnetic separator tab (200) are magnetic separator sheets;
the magnetic isolation sheet comprises a PI film, a soft magnetic alloy and a pressure sensitive adhesive layer; the soft magnetic alloy is provided with the pressure sensitive adhesive layer on one side facing the button cell main body (600), and the PI film is provided on one side facing away from the button cell main body (600).
4. The noise reduction button cell of claim 2, wherein the first separator sheet (100) completely covers the first end face (601).
5. The noise reduction button cell of claim 4, wherein the first lead-out wire (400) of the first tab and the second lead-out wire (500) of the second tab pass through a gap between the second magnetism isolating sheet (300) and the peripheral side surface (602) and extend downward.
6. The noise reduction button cell of claim 2, wherein the button cell body (600) comprises an outer housing and a battery cell, the battery cell disposed within the outer housing;
the first tab and the second tab are respectively connected with the battery cell.
7. The noise reduction button cell of claim 1, wherein a third separator sheet is disposed on the second end face.
8. The noise reduction button cell of claim 3, wherein the thickness of the separator sheet is 0.15mm.
9. A TWS headset comprising the noise reducing button cell and speaker of any one of claims 1-8.
10. The TWS earphone of claim 9, wherein a side of the button cell body (600) having the second magnetism blocking sheet (300) faces the horn.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321155897.6U CN219677418U (en) | 2023-05-12 | 2023-05-12 | Noise reduction button cell and TWS earphone |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321155897.6U CN219677418U (en) | 2023-05-12 | 2023-05-12 | Noise reduction button cell and TWS earphone |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219677418U true CN219677418U (en) | 2023-09-12 |
Family
ID=87892845
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321155897.6U Active CN219677418U (en) | 2023-05-12 | 2023-05-12 | Noise reduction button cell and TWS earphone |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219677418U (en) |
-
2023
- 2023-05-12 CN CN202321155897.6U patent/CN219677418U/en active Active
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| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |