CN214542317U - Winding battery core capable of demagnetizing and battery - Google Patents
Winding battery core capable of demagnetizing and battery Download PDFInfo
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- CN214542317U CN214542317U CN202023248180.5U CN202023248180U CN214542317U CN 214542317 U CN214542317 U CN 214542317U CN 202023248180 U CN202023248180 U CN 202023248180U CN 214542317 U CN214542317 U CN 214542317U
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- pole piece
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- electric core
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- 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
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- 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
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P70/00—Climate change mitigation technologies in the production process for final industrial or consumer products
- Y02P70/50—Manufacturing or production processes characterised by the final manufactured product
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Abstract
The utility model discloses a coiling electric core that can demagnetization belongs to electric core technical field, including electric core body, electric core body is formed by positive plate, negative pole piece and the diaphragm of setting between positive plate and negative pole piece is convoluteed, be connected with anodal ear on the positive plate, be connected with the negative pole ear on the negative pole piece, anodal ear and negative pole ear symmetry set up the both ends at electric core body, the utility model discloses a battery including above-mentioned electric core. The beneficial effects of the utility model are that through the electric current opposite direction in adjusting positive plate and the negative pole piece to produce opposite direction's magnetic field, finally reduce the magnetic field noise that electric core produced, offset even under the final ideal state.
Description
Technical Field
The utility model relates to a battery technology field, concretely relates to coiling electricity core and battery that can demagnetization.
Background
The cells of a battery, including alkaline cells, nickel cells and lithium cells, are typically fabricated by taking two electrode layers and laminating them together, each layer being physically separated from the other. A common method of manufacturing cells for use in batteries is known as the "jelly roll" technique, in which the internal components of the cell are wound and placed inside an aluminium or aluminium-plastic film or steel container.
An energized solenoid may generate a magnetic field, and the direction of the magnetic field generated by the solenoid may be determined according to right-hand rules. Unfortunately, the wound cell is just like a solenoid, and during charging and discharging, lithium ions move directionally inside the cell, so that current is objectively formed, and a magnetic field is generated. When the cell is used to power a typical electronic device, the magnetic field emission therein is not sufficient to affect the operation of the device, however, in certain applications such as hearing aids, bluetooth headsets, the magnetic field emission may ultimately affect the performance of the hearing aids and bluetooth headsets by affecting the operation of the hearing elements in the hearing aids and bluetooth headsets, and thus, it is desirable to be able to reduce the magnetic field generated in the cell.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to solve one of the technical problem that exists among the prior art at least, provide a coiling electric core that can demagnetization and including the battery of this electric core.
The technical solution of the utility model is as follows:
the utility model discloses an aspect provides a coiling electric core that can demagnetization, including electric core body, electric core body is formed by positive plate, negative pole piece and the diaphragm coiling of setting between positive plate and negative pole piece, be connected with anodal ear on the positive plate, be connected with the negative pole ear on the negative pole piece, anodal ear and negative pole ear symmetry set up the both ends at electric core body. By adjusting the current directions in the positive plate and the negative plate to be opposite, magnetic fields in opposite directions are generated, and finally magnetic field noise generated by the battery cell is reduced.
The utility model discloses an among the concrete implementation mode, positive plate and negative pole piece all have along length direction's first end and second end, positive plate and negative pole piece are held the coiling by first end to the second and are formed electric core body, positive ear and negative pole ear are connected respectively at the second end of positive plate and negative pole piece.
The utility model discloses an among the concrete implementation mode, still include the empty foil pole piece that sets up along positive plate length direction, empty foil pole piece also has along length direction's first end and second end, the first end of empty foil pole piece is held with the second of positive plate and is connected and hold the coiling formation electricity core body to the second by first end together with the positive plate.
The utility model discloses an among the specific implementation, the second end of empty paper tinsel pole piece is terminal aligns the setting with the second end of negative pole piece along electric core body coiling direction.
In a specific embodiment of the present invention, the number of turns of winding of the positive plate and the negative plate is equal.
In a specific embodiment of the present invention, the positive tab and the negative tab are spot-welded on the positive plate and the negative plate respectively.
The utility model discloses the second aspect provides a battery, including foretell coiling electric core that can demagnetization.
The utility model discloses one of following beneficial effect has at least: the utility model discloses a place utmost point ear in the specific area of pole piece, because there is insulating diaphragm between positive plate and the negative pole piece, therefore be insulating under normal condition between positive plate and the negative pole piece, and utmost point ear is connected on the pole piece, thereby positive plate ear and positive plate are the intercommunication, communicate between negative pole ear and the negative pole piece, place utmost point ear in the specific area of pole piece, make the direction of partial electric current in positive plate and the negative pole piece opposite, thereby create the magnetic field that polarity is opposite; and by adjusting the positions of the lugs, theoretically, the number of turns of the current loop corresponding to the opposite current is changed, so that the size of the opposite magnetic fields can be adjusted, the magnetic fields generated by the battery cell can be weakened mutually, and finally, the magnetic fields can be offset in an ideal state, and the total electromagnetic field noise emitted by the battery cell is reduced.
Drawings
Fig. 1 is a schematic structural diagram of a battery cell in the present invention;
fig. 2 is a front view structural diagram of a battery cell of the present invention;
fig. 3 is a schematic diagram illustrating the demagnetization of the battery core in the utility model;
the following are marked in the figure: 1. a positive plate; 2. a negative plate; 3. a positive tab; 4. a negative tab; 5. empty foil pole pieces; 6. a diaphragm.
Detailed Description
The present invention will be described in further detail with reference to the following specific examples, but the present invention is not limited to the following specific examples.
In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", and the like, indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are used merely for convenience of description and for simplicity of description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore, should not be construed as limiting the present invention. Furthermore, the terms "first", "second", etc. are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first," "second," etc. may explicitly or implicitly include one or more of that feature. In the description of the present invention, "a plurality" means two or more unless otherwise specified.
In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood by those of ordinary skill in the art through specific situations.
As shown in fig. 1-2, this embodiment provides a winding battery cell capable of demagnetizing, which includes a battery cell body, the battery cell body is formed by winding a positive plate 1, a negative plate 2 and a diaphragm 6 (the diaphragm is not shown in fig. 1-2) arranged between the positive plate 1 and the negative plate 2, the positive plate 1 is connected with a positive tab 3, the negative plate 2 is connected with a negative tab 4, and the positive tab 3 and the negative tab 4 are symmetrically arranged at two ends of the battery cell body. Specifically, positive plate 1 and negative plate 2 all have along length direction's first end and second end, positive plate 1 and negative plate 2 are held the coiling by first end towards the second and are formed electric core body to the first end of positive plate 1 and negative plate 2 is all coiled in the middle of electric core body, and the second end is located electric core body's the outside. Anodal ear 3 and negative pole ear 4 are connected respectively at the second end of positive plate 1 and negative pole piece 2 to the second end of anodal piece 1 and the second end of negative pole piece 2 also symmetry setting is at the both ends of electric core body.
As the utility model discloses a preferred embodiment, coiling electricity core still includes the empty foil pole piece 5 that sets up along 1 length direction of positive plate, empty foil pole piece 5 also has first end and second end along length direction, the first end of empty foil pole piece 5 is connected with the second end of positive plate 1, and empty foil pole piece 5 and positive plate 1 together by first end towards the second end coiling formation electricity core body, the second end of empty foil pole piece 5 is terminal to be followed the alignment of electricity core body coiling direction with the second end of negative pole piece 2 and is set up, and the length of empty foil pole piece 5 equals between negative pole ear 4 and the positive pole ear 3 along the arc length of electricity core body outermost lane promptly. In this embodiment, the empty foil pole piece 5 and the positive pole piece 1 are of an integral structure, and belong to a total pole piece, that is, the positive pole material is coated in the area of the positive pole piece 1 of the total pole piece, the positive pole material is not coated in the area of the empty foil pole piece 5, and the empty foil pole piece 5 is arranged to align the second end of the total pole piece with the second end of the negative pole piece.
As a preferred embodiment of the present invention, the number of winding turns of the positive electrode sheet 1 and the negative electrode sheet 2 is equal.
As a preferred embodiment of the present invention, the positive tab 3 and the negative tab 4 are spot-welded to the positive plate 1 and the negative plate 2, respectively.
The principle of the utility model is that: compared with an energized solenoid, the direction of the internal current of the battery cell is more than one, and the present embodiment utilizes the characteristic that the direction of the internal current of the battery cell is more than one, as shown in fig. 3, by placing a tab in a specific region of a pole piece, because an insulating diaphragm exists between a positive pole piece and a negative pole piece, the positive pole piece and the negative pole piece are insulated in a normal state, and the tab is connected to the pole piece, so that the positive pole piece is communicated with the positive pole piece, the negative pole piece is communicated with the negative pole piece, and by placing a tab in a specific region of the pole piece, the directions of partial currents in the positive pole piece and the negative pole piece are opposite, so as to create magnetic fields with opposite polarities; by adjusting the positions of the lugs, the number of turns of the current loop corresponding to the opposite current is theoretically changed, so that the size of the opposite magnetic fields can be adjusted, the magnetic fields generated by the battery cell can be weakened mutually and even offset in an ideal state, and the total electromagnetic field noise emitted by the battery cell is reduced.
The embodiment also provides a battery, which includes the above-mentioned electric core and a casing, the above-mentioned electric core is encapsulated in the casing, and the material of the casing can be aluminum, therefore, the battery including the above-mentioned electric core can also weaken the generated magnetic fields mutually, so as to reduce the noise of the emitted electromagnetic field.
The battery can be applied to hearing aids and Bluetooth earphones, and can reduce the influence on hearing parts in the hearing aids and the Bluetooth earphones due to the fact that the battery can reduce the noise of a transmitting electromagnetic field, and finally reduce the influence on the performance of the hearing aids and the Bluetooth earphones.
The above, only be the concrete implementation of the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the utility model, the concept of which is equivalent to replace or change, should be covered within the protection scope of the present invention.
Claims (6)
1. The winding battery cell capable of demagnetizing is characterized by comprising a battery cell body, wherein the battery cell body is formed by winding a positive plate (1), a negative plate (2) and a diaphragm (6) arranged between the positive plate (1) and the negative plate (2), the positive plate (1) is connected with a positive tab (3), the negative plate (2) is connected with a negative tab (4), and the positive tab (3) and the negative tab (4) are symmetrically arranged at two ends of the battery cell body;
positive plate (1) and negative pole piece (2) all have along length direction's first end and second end, positive plate (1) and negative pole piece (2) are held the coiling by first end to the second and are formed electric core body, positive tab (3) and negative tab (4) are connected respectively at the second end of positive plate (1) and negative pole piece (2).
2. The demagnetized wound electric core according to claim 1, further comprising an empty foil pole piece (5) disposed along a length direction of the positive pole piece (1), wherein the empty foil pole piece (5) also has a first end and a second end along the length direction, and the first end of the empty foil pole piece (5) is connected to the second end of the positive pole piece (1) and is wound together with the positive pole piece (1) from the first end to the second end to form a cell body.
3. The demagnetized wound cell of claim 2, wherein the second end terminal of the empty foil pole piece (5) and the second end terminal of the negative pole piece (2) are aligned in the cell body winding direction.
4. The demagnetized wound electric core according to claim 3, wherein the positive pole piece (1) and the negative pole piece (2) are wound for equal number of turns.
5. The demagnetizable wound electric core according to claim 4, wherein the positive tab (3) and the negative tab (4) are spot-welded to the positive plate (1) and the negative plate (2), respectively.
6. A battery, characterized in that, includes a winding electric core that can demagnetize of any claim 1 ~ 5.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202023248180.5U CN214542317U (en) | 2020-12-29 | 2020-12-29 | Winding battery core capable of demagnetizing and battery |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202023248180.5U CN214542317U (en) | 2020-12-29 | 2020-12-29 | Winding battery core capable of demagnetizing and battery |
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| Publication Number | Publication Date |
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| CN214542317U true CN214542317U (en) | 2021-10-29 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202023248180.5U Active CN214542317U (en) | 2020-12-29 | 2020-12-29 | Winding battery core capable of demagnetizing and battery |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116646616A (en) * | 2023-07-26 | 2023-08-25 | 宁德新能源科技有限公司 | Secondary battery and electric device |
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2020
- 2020-12-29 CN CN202023248180.5U patent/CN214542317U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116646616A (en) * | 2023-07-26 | 2023-08-25 | 宁德新能源科技有限公司 | Secondary battery and electric device |
| CN116646616B (en) * | 2023-07-26 | 2024-03-12 | 宁德新能源科技有限公司 | Secondary battery and electric device |
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