CN215644894U - Battery and bluetooth headset - Google Patents
Battery and bluetooth headset Download PDFInfo
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- CN215644894U CN215644894U CN202122251157.XU CN202122251157U CN215644894U CN 215644894 U CN215644894 U CN 215644894U CN 202122251157 U CN202122251157 U CN 202122251157U CN 215644894 U CN215644894 U CN 215644894U
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- pole piece
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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 battery and a Bluetooth headset. The battery comprises a first shell and a first pole piece; the outer side wall of the first shell is electrically connected with a first tab; the first pole piece is arranged in a winding mode, the first pole piece is provided with a second pole lug, and the second pole lug is electrically connected with the inner wall of the first shell; on the first projection surface, the periphery of the first shell is divided into a first section and a second section by the connection part A and the connection part B, wherein the length of the first section is smaller than that of the second section; the direction from the B connection part to the a connection part in the first segment is opposite to the winding direction of the first pole piece. According to the technical scheme, the direction from the B connecting part to the A connecting part in the first section of the battery is opposite to the winding direction of the first pole piece, so that the current direction of the first section is opposite to the current direction in the first pole piece, magnetic fields in opposite directions can be generated, the magnetic field difference generated by the positive pole piece and the negative pole piece in the battery can be weakened or eliminated, and the interference of the battery on surrounding electromagnetic sensitive devices is reduced.
Description
Technical Field
The utility model relates to the technical field of electronics, in particular to a battery and a Bluetooth headset.
Background
In recent years, the development of small lithium batteries has been greatly promoted by the popularization of a TWS (True Wireless Stereo) bluetooth headset, and a large number of rechargeable button lithium batteries are used. The manufacturing methods of button battery cells on the market at present mainly include a laminated type and a winding type. The electric core of the winding type button battery is a coil with a winding mode similar to a spiral, and when the battery works, the magnetic field generated by the current flowing through the winding type electric core can interfere with electromagnetic sensing parts around the battery.
SUMMERY OF THE UTILITY MODEL
The utility model mainly aims to provide a battery, which aims to reduce or eliminate the interference of a magnetic field generated by variable current on surrounding electromagnetic sensitive devices when the battery works.
In order to achieve the above object, the present invention provides a battery, including a first case and a first pole piece; the outer side wall of the first shell is electrically connected with a first tab; the first pole piece is arranged in a winding mode and is positioned in the first shell, and the polarity of the first pole piece is the same as that of the first shell; the first pole piece is provided with a second pole lug, and the second pole lug is electrically connected with the inner wall of the first shell;
defining a plane where the end surface of the first shell is located or a plane parallel to the end surface of the first shell as a first projection surface, wherein a projection of a connection position of the first tab and the first shell on the first projection surface is an A connection part, and a projection of a connection position of the second tab and the first shell on the first projection surface is a B connection part;
on the first projection surface, the A connecting part and the B connecting part divide the periphery of the first shell into a first section and a second section, wherein the length of the first section is smaller than that of the second section; the direction from the B connecting part to the A connecting part in the first section is opposite to the winding direction of the first pole piece.
In an embodiment of the utility model, an end of the first pole piece away from the winding center is connected with the second pole lug.
In an embodiment of the present invention, the first tab includes:
the first connecting part is connected with the outer wall of the first shell; and
the second connecting portion, the second connecting portion with first connecting portion are the contained angle and are connected, and certainly first connecting portion are to keeping away from the direction protrusion setting of first casing.
In an embodiment of the present invention, the first connection portion includes:
the contact section is attached to and connected with the outer wall of the first shell; and
the extension section is connected with the contact section and the second connecting portion, the extension section and the first shell are arranged at intervals, and the direction of the extension section from the contact section to the second connecting portion is opposite to the winding direction of the first pole piece.
In an embodiment of the present invention, the extension is wound around an outer circumference of the first housing to form a spiral structure, and a winding direction of the extension is opposite to a winding direction of the first pole piece.
In an embodiment of the present invention, the second tab is welded and fixed to an inner wall of the first housing; the first pole lug is fixedly welded with the outer wall of the first shell.
In an embodiment of the present invention, the battery further includes:
the second shell and the first shell are buckled with each other to form an installation cavity and are sealed, insulated and isolated through a sealing rubber ring; the second shell is opposite in polarity to the first shell; and
the second pole piece is electrically connected with the second shell; the polarity of the second pole piece is opposite to that of the first pole piece, and the second pole piece and the first pole piece are arranged in the installation cavity.
In an embodiment of the present invention, the first pole piece and the second pole piece are wound to form a double-wound battery cell, and an isolation film is disposed between the first pole piece and the second pole piece.
In an embodiment of the present invention, the first casing is a negative electrode casing, the first electrode piece is a negative electrode sheet, the second casing is a positive electrode casing, and the second electrode piece is a positive electrode sheet;
the second shell is buckled in the first shell.
In order to achieve the above object, the present invention further provides a bluetooth headset including the above battery. The battery comprises a first shell and a first pole piece; the outer side wall of the first shell is electrically connected with a first tab; the first pole piece is arranged in a winding mode and is positioned in the first shell, and the polarity of the first pole piece is the same as that of the first shell; the first pole piece is provided with a second pole lug, and the second pole lug is electrically connected with the inner wall of the first shell;
defining a plane where the end surface of the first shell is located or a plane parallel to the end surface of the first shell as a first projection surface, wherein a projection of a connection position of the first tab and the first shell on the first projection surface is an A connection part, and a projection of a connection position of the second tab and the first shell on the first projection surface is a B connection part;
on the first projection surface, the A connecting part and the B connecting part divide the periphery of the first shell into a first section and a second section, wherein the length of the first section is smaller than that of the second section; the direction from the B connecting part to the A connecting part in the first section is opposite to the winding direction of the first pole piece.
In the battery adopting the technical scheme, the outer side wall of the first shell is electrically connected with the first pole lug, the first pole piece is arranged in a winding mode, the polarity of the first pole piece is the same as that of the first shell, the first pole piece is provided with the second pole lug, and the second pole lug is electrically connected with the inner wall of the first shell, so that the first pole piece is electrically conducted with the first shell; the projection of the connection position of the first lug and the first shell on the first projection surface is an A connection part, the projection of the connection position of the second lug and the first shell on the first projection surface is a B connection part, the A connection part and the B connection part divide the first shell into a first section and a second section, the length of the first section is smaller than that of the second section, current flowing through the first pole piece can flow through the first section with smaller length, and the direction from the B connection part to the A connection part in the first section is opposite to the winding direction of the first pole piece, so that the current direction of the first section is opposite to the current direction in the first pole piece, magnetic fields with opposite directions can be generated, the magnetic field difference generated by positive and negative pole pieces in the battery can be weakened or eliminated, and the interference of the battery on surrounding electromagnetic sensitive devices is reduced.
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 described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the structures shown in the drawings without creative efforts.
FIG. 1 is a schematic structural diagram of a battery according to an embodiment of the present invention;
fig. 2 is a schematic structural diagram of another embodiment of the battery of the present invention.
The reference numbers illustrate:
| reference numerals | Name (R) | Reference numerals | Name (R) |
| 1 | |
212 | Extension section |
| 1a | |
22 | Second connecting part |
| 1b | |
3 | First pole piece |
| 2 | |
4 | Second pole ear |
| 21 | First connecting |
5 | |
| 211 | Contact section | 6 | Second pole piece |
The implementation, functional features and advantages of the objects of the present invention will be further explained with reference to the accompanying drawings.
Detailed Description
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 only a part of the embodiments of the present invention, and not all of the embodiments. 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.
It should be noted that, if directional indications (such as up, down, left, right, front, and back … …) are involved in the embodiment of the present invention, the directional indications are only used to explain the relative positional relationship between the components, the movement situation, and the like in a specific posture (as shown in the drawing), and if the specific posture is changed, the directional indications are changed accordingly.
In addition, if there is a description of "first", "second", etc. in an embodiment of the present invention, the description of "first", "second", etc. is for descriptive purposes only and is 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" or "second" may explicitly or implicitly include at least one such feature. In addition, technical solutions between various embodiments may be combined with each other, but must be realized by a person skilled in the art, and when the technical solutions are contradictory or cannot be realized, such a combination should not be considered to exist, and is not within the protection scope of the present invention.
The utility model provides a battery, aiming at realizing the self-demagnetizing effect of a battery body by adjusting the position of an external tab on a battery shell.
In the embodiment of the present invention, as shown in fig. 1 and 2, the battery includes a first case 1, a first pole piece 3, a second case (not shown), and a second pole piece 6 (not shown). The first shell 1 and the second shell are respectively a positive electrode shell and a negative electrode shell of the battery, and the first shell 1 and the second shell are buckled to form an outer shell of the battery; correspondingly, the first pole piece 3 and the second pole piece 6 are respectively a positive pole piece and a negative pole piece of the battery, and the first pole piece 3 and the second pole piece 6 are wound to form a battery core of the battery. The first pole piece 3 has the same polarity as the first housing 1, and the second pole piece 6 has the same polarity as the second housing.
The outer side wall of the first shell 1 is electrically connected with a first tab 2;
the first pole piece 3 is arranged in a winding mode and is positioned in the first shell 1, and the polarity of the first pole piece 3 is the same as that of the first shell 1; the first pole piece 3 is provided with a second pole lug 4, and the second pole lug 4 is electrically connected with the inner wall of the first shell 1;
defining a plane where the end face of the first shell 1 is located or a plane parallel to the end face of the first shell 1 as a first projection plane, defining a projection of a connection position of the first tab 2 and the first shell 1 on the first projection plane as a connection part A, and defining a projection of a connection position of the second tab 4 and the first shell 1 on the first projection plane as a connection part B;
on the first projection surface, the connection part A and the connection part B divide the periphery of the first shell 1 into a first section 1a and a second section 1B, wherein the length of the first section 1a is smaller than that of the second section 1B; the direction from the B connection to the a connection in the first segment 1a is opposite to the winding direction of the first pole piece 3.
In this embodiment, the first pole piece 3 is disposed in the first casing 1 and is wound, so that when the battery core of the battery is powered on, a magnetic field perpendicular to the end surface of the first casing 1 is generated. The first pole piece 3 is provided with a second pole ear 4, the second pole ear 4 is electrically connected with the inner wall of the first shell 1, and the polarity of the first shell 1 is the same as that of the first pole piece 3. First utmost point ear 2 is connected to the lateral wall electricity of first casing 1, and first utmost point ear 2 plays the effect of external consumer or product, has realized the function that the electrical property of first pole piece 3, second utmost point ear 4, first casing 1 and second utmost point ear 2 switched on.
A plane where the end surface of the first housing 1 is located or a plane parallel to the end surface of the first housing 1 is defined as a first projection surface, namely the projection of the battery on the cross section parallel to the end face, at the moment, the projection of the first shell 1 on the first projection plane is a circular ring structure, the projection of the joint of the first lug 2 and the first shell 1 on the first projection plane is a connection part A, the projection of the joint of the second lug 4 and the first shell 1 on the first projection plane is a connection part B, the connection part a and the connection part B divide the first casing 1 into a first section 1a and a second section 1B, and the first section 1a and the second section 1B form a parallel structure, the length of the first section 1a is smaller than that of the second section 1B, the resistance of the first segment 1a is smaller than that of the second segment 1b, and when a current is applied, the current preferentially passes through the first segment 1a having the smaller resistance. The direction from the B connecting part to the A connecting part in the first section 1a is opposite to the winding direction of the first pole piece 3, so that the current direction in the first pole piece 3 is opposite to the current direction in the first section 1a, a magnetic field generated by the current in the first section 1a is opposite to the magnetic field generated by the current in the first pole piece 3, the magnetic field difference generated by the positive pole piece and the negative pole piece in the battery can be weakened or eliminated, and the interference of the battery on peripheral electromagnetic sensitive devices is reduced.
It can be understood that when the first pole piece 3 is a negative pole piece, the current flows from the first pole tab 2 to the second pole tab 3 through the connection a, the first section 1a and the connection B in sequence. When the first pole piece 3 is a positive pole piece, the current flows from the second pole lug 4 to the connection part a through the connection part B and the first section 1a in sequence, and then flows from the first pole lug 2 to the external electric equipment.
In the practical application process, the second pole lug 4 is welded and fixed with the inner wall of the first shell 1, so that the reliability of the structure can be ensured while the electrical conduction is ensured. First utmost point ear 2 and the outer wall welded fastening of first casing 1 also can guarantee the reliability of structure when guaranteeing the electrical property switches on.
In the battery adopting the technical scheme, the outer side wall of a first shell 1 is electrically connected with a first pole lug 2, the first pole piece 3 is arranged in a winding mode, the polarity of the first pole piece 3 is the same as that of the first shell 1, a second pole lug 4 is arranged on the first pole piece 3, and the second pole lug 4 is electrically connected with the inner wall of the first shell 1, so that the first pole piece 3 is electrically conducted with the first shell 1; the projection of the connection position of the first tab 2 and the first shell 1 on the first projection surface is an A connection part, the projection of the connection position of the second tab 4 and the first shell 1 on the first projection surface is a B connection part, the first shell 1 is divided into a first section 1a and a second section 1B by the A connection part and the B connection part, the length of the first section 1a is smaller than that of the second section 1B, the current flowing through the first pole piece 3 can flow through the first section 1a with smaller length, and the direction from the B connection part to the A connection part in the first section 1a is opposite to the winding direction of the first pole piece 3, so that the current direction of the first section 1a is opposite to the current direction in the first pole piece 3, and magnetic fields with opposite directions can be generated, and further the magnetic field difference generated by the positive pole piece and the negative pole piece in the battery can be weakened or eliminated, and the interference of the battery on peripheral electromagnetic sensitive devices can be reduced.
In an embodiment of the present invention, referring to fig. 1 and 2, one end of the first pole piece 3 away from the winding center is connected to the second pole piece 4.
In this embodiment, the second tab 4 is connected to one end of the first pole piece 3 away from the winding center, the connection position of the second tab 4 and the first case 1 is a B connection portion, the direction from the B connection portion to the a connection portion in the first section 1a is opposite to the winding direction of the first pole piece 3, when the first pole piece 3 is a positive pole piece, the flowing direction of the current in the first pole piece 3 is the same as the winding direction, that is, the current flows from the winding center to the second tab 4, and then flows from the B connection portion to the a connection portion, that is, the current direction in the first section 1a is opposite to the winding direction, so that the current direction in the first pole piece 3 is opposite to the current direction in the first section 1a, and further, the effect of weakening or eliminating the internal magnetic field of the battery can be achieved. When the first pole piece 3 is a negative pole piece, the flowing direction of the current in the first pole piece 3 is opposite to the winding direction, namely the current flows from the winding end to the winding center, at the moment, the current in the first section 1a flows from the connection part A to the connection part B, namely the current direction in the first section 1a is the same as the winding direction, so that the current direction in the first pole piece 3 is opposite to the current direction in the first section 1a, and the effect of weakening or eliminating the internal magnetic field of the battery can be achieved.
In an embodiment of the present invention, referring to fig. 1 and 2, the first tab 2 includes a first connection part 21 and a second connection part 22; the first connecting portion 21 is connected to the outer wall of the first housing 1; the second connecting portion 22 is connected to the first connecting portion 21 at an included angle, and protrudes from the first connecting portion 21 in a direction away from the first housing 1.
In this embodiment, the first connecting portion 21 achieves the function of electrically connecting the second connecting portion 22 and the first housing 1. The second connection portion 22 functions as an external electric device or product to supply power from the battery to the outside.
It is understood that the first connecting portion 21 may be welded and fixed with the first housing 1. The second connecting portion 22 is connected to the first connecting portion 21 at an included angle and extends outward to form a protruding structure, so as to ensure a sufficient external space.
In one embodiment, to further enhance the effect of weakening the magnetic field of the battery, the first connection portion 21 includes a contact section 211 and an extension section 212; the contact section 211 is attached to the outer wall of the first housing 1; the extension section 212 connects the contact section 211 and the second connecting portion 22, the extension section 212 is spaced apart from the first casing 1, and the direction of the extension section 212 from the contact section 211 to the second connecting portion 22 is opposite to the winding direction of the first pole piece 3.
In this embodiment, by providing the extension section 212, and the direction from the contact section 211 to the second connection portion 22 of the extension section 212 is opposite to the winding direction of the first pole piece 3, the current path of the current opposite to the current direction of the first pole piece 3 is extended, the strength of the generated opposite magnetic field is further enhanced, and the effect of weakening or offsetting the magnetic field difference generated by the positive and negative pole pieces in the battery is further enhanced. It can be understood that the extension section 212 is spaced apart from the first casing 1, so as to avoid the influence of the resistance on the first section 1a of the first casing 1, thereby ensuring the current to flow through the first section 1 a.
The contact section 211 is attached to the outer wall of the first housing 1, and optionally, the contact section 211 is welded to the first housing 1.
In one embodiment, the extension 212 is wound around the outer circumference of the first casing 1 to form a spiral structure, and the winding direction of the extension 212 is opposite to the winding direction of the first pole piece 3. In this embodiment, the extension section 212 is provided in a spiral structure, so that the shape of the extension section 212 corresponds to the winding shape of the first pole piece 3, and the winding direction of the extension section 212 is opposite to the winding direction of the first pole piece 3, thereby further enhancing the effect of weakening and eliminating the magnetic field difference generated between the positive pole piece and the negative pole piece inside the battery.
In an embodiment of the present invention, referring to fig. 1 and 2, the second housing and the first housing 1 are fastened to each other to form an installation cavity, and are sealed, insulated and isolated by a sealing rubber ring; the second pole piece 6 is electrically connected with the second shell; the polarity of the second pole piece 6 is opposite to that of the first pole piece 3, and the second pole piece and the first pole piece are arranged in the installation cavity.
It can be understood that the second casing and the first casing 1 are respectively a positive casing and a negative casing of the battery, the first casing 1 and the second casing are buckled to form a casing of the battery, and a sealing rubber ring is arranged between the first casing 1 and the second casing to realize isolation and fixation, so that the sealing performance of the battery and the insulation of the positive and negative electrodes are ensured, and short circuit is prevented.
Correspondingly, the first pole piece 3 and the second pole piece 6 are respectively a positive pole piece and a negative pole piece of the battery, the first pole piece 3 and the second pole piece 6 are wound to form a double-winding battery cell, and an isolating film 5 is arranged between the first pole piece 3 and the second pole piece 6 to isolate the positive pole piece from the negative pole piece and prevent short circuit. The first pole piece 3 has the same polarity as the first casing 1, and the second pole piece 6 has the same polarity as the second casing.
In the practical application process, the first shell 1 is a negative electrode shell, the first pole piece 3 is a negative electrode piece, the second shell is a positive electrode shell, and the second pole piece 6 is a positive electrode piece; the second housing is internally buckled in the first housing 1.
The present invention further provides a bluetooth headset, which includes a battery, and the specific structure of the battery refers to the above embodiments, and since the bluetooth headset employs all technical solutions of all the above embodiments, the bluetooth headset at least has all beneficial effects brought by the technical solutions of the above embodiments, and details are not repeated herein.
The above description is only a preferred embodiment of the present invention, and is not intended to limit the scope of the present invention, and all modifications and equivalents of the present invention, which are made by the contents of the present specification and the accompanying drawings, or directly/indirectly applied to other related technical fields, are included in the scope of the present invention.
Claims (10)
1. A battery, comprising:
the outer side wall of the first shell is electrically connected with a first tab; and
the first pole piece is arranged in a winding mode and is positioned in the first shell, and the polarity of the first pole piece is the same as that of the first shell; the first pole piece is provided with a second pole lug, and the second pole lug is electrically connected with the inner wall of the first shell;
defining a plane where the end surface of the first shell is located or a plane parallel to the end surface of the first shell as a first projection surface, wherein a projection of a connection position of the first tab and the first shell on the first projection surface is an A connection part, and a projection of a connection position of the second tab and the first shell on the first projection surface is a B connection part;
on the first projection surface, the A connecting part and the B connecting part divide the periphery of the first shell into a first section and a second section, wherein the length of the first section is smaller than that of the second section; the direction from the B connecting part to the A connecting part in the first section is opposite to the winding direction of the first pole piece.
2. The battery of claim 1, wherein an end of the first pole piece distal from the winding center is connected to the second pole tab.
3. The battery of claim 2, wherein the first tab comprises:
the first connecting part is connected with the outer wall of the first shell; and
the second connecting portion, the second connecting portion with first connecting portion are the contained angle and are connected, and certainly first connecting portion are to keeping away from the direction protrusion setting of first casing.
4. The battery of claim 3, wherein the first connection portion comprises:
the contact section is attached to and connected with the outer wall of the first shell; and
the extension section is connected with the contact section and the second connecting portion, the extension section and the first shell are arranged at intervals, and the direction of the extension section from the contact section to the second connecting portion is opposite to the winding direction of the first pole piece.
5. The battery of claim 4, wherein the extension is wound around an outer periphery of the first case to form a spiral structure, the extension being wound in a direction opposite to a winding direction of the first pole piece.
6. The battery according to any one of claims 1 to 5, wherein the second tab is welded and fixed to an inner wall of the first case; the first pole lug is fixedly welded with the outer wall of the first shell.
7. The battery of any one of claims 1-5, further comprising:
the second shell and the first shell are buckled with each other to form an installation cavity and are sealed, insulated and isolated through a sealing rubber ring; the second shell is opposite in polarity to the first shell; and
the second pole piece is electrically connected with the second shell; the polarity of the second pole piece is opposite to that of the first pole piece, and the second pole piece and the first pole piece are arranged in the installation cavity.
8. The battery of claim 7, wherein the first pole piece and the second pole piece are wound to form a double wound cell, and a separator is disposed between the first pole piece and the second pole piece.
9. The battery of claim 7, wherein the first casing is a negative casing, the first tab is a negative tab, the second casing is a positive casing, and the second tab is a positive tab;
the second shell is buckled in the first shell.
10. A bluetooth headset, characterized in that it comprises a battery according to any one of claims 1 to 9.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122251157.XU CN215644894U (en) | 2021-09-16 | 2021-09-16 | Battery and bluetooth headset |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122251157.XU CN215644894U (en) | 2021-09-16 | 2021-09-16 | Battery and bluetooth headset |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN215644894U true CN215644894U (en) | 2022-01-25 |
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ID=79916936
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202122251157.XU Active CN215644894U (en) | 2021-09-16 | 2021-09-16 | Battery and bluetooth headset |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN215644894U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114583236A (en) * | 2022-03-04 | 2022-06-03 | 宁德新能源科技有限公司 | Electrochemical device and electric equipment |
| CN114976399A (en) * | 2022-05-20 | 2022-08-30 | 华勤技术股份有限公司 | Soft-package button cell module, sound production device and electronic equipment |
-
2021
- 2021-09-16 CN CN202122251157.XU patent/CN215644894U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114583236A (en) * | 2022-03-04 | 2022-06-03 | 宁德新能源科技有限公司 | Electrochemical device and electric equipment |
| CN114976399A (en) * | 2022-05-20 | 2022-08-30 | 华勤技术股份有限公司 | Soft-package button cell module, sound production device and electronic equipment |
| CN114976399B (en) * | 2022-05-20 | 2024-01-26 | 华勤技术股份有限公司 | Soft package button cell module, sound generating mechanism and electronic equipment |
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