CN112531271A - Battery pack - Google Patents
Battery pack Download PDFInfo
- Publication number
- CN112531271A CN112531271A CN202011450909.9A CN202011450909A CN112531271A CN 112531271 A CN112531271 A CN 112531271A CN 202011450909 A CN202011450909 A CN 202011450909A CN 112531271 A CN112531271 A CN 112531271A
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- Prior art keywords
- circuit board
- framework
- battery cell
- electric connector
- electrical connector
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Links
- 238000009434 installation Methods 0.000 claims description 4
- 239000011435 rock Substances 0.000 abstract description 2
- 230000000694 effects Effects 0.000 description 6
- 230000004323 axial length Effects 0.000 description 5
- 238000003466 welding Methods 0.000 description 5
- 238000005452 bending Methods 0.000 description 3
- 210000002615 epidermis Anatomy 0.000 description 3
- PXHVJJICTQNCMI-UHFFFAOYSA-N Nickel Chemical compound [Ni] PXHVJJICTQNCMI-UHFFFAOYSA-N 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 2
- 239000004020 conductor Substances 0.000 description 2
- 238000006073 displacement reaction Methods 0.000 description 2
- 239000011810 insulating material Substances 0.000 description 2
- 230000010354 integration Effects 0.000 description 2
- 206010029216 Nervousness Diseases 0.000 description 1
- 238000013016 damping Methods 0.000 description 1
- 238000005034 decoration Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000004880 explosion Methods 0.000 description 1
- 238000010413 gardening Methods 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 229910052751 metal Inorganic materials 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 229910052759 nickel Inorganic materials 0.000 description 1
- 238000004806 packaging method and process Methods 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
Images
Classifications
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M10/00—Secondary cells; Manufacture thereof
- H01M10/42—Methods or arrangements for servicing or maintenance of secondary cells or secondary half-cells
-
- 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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- Engineering & Computer Science (AREA)
- Manufacturing & Machinery (AREA)
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Electrochemistry (AREA)
- General Chemical & Material Sciences (AREA)
- Battery Mounting, Suspending (AREA)
Abstract
The present invention provides a battery pack, including: a housing; the battery cell, the framework and the circuit board are sequentially connected with each other along the radial direction of the battery cell; the first electric connector and the second electric connector are respectively arranged at the two ends of the positive electrode and the negative electrode in the axial direction of the battery cell and are respectively connected to the circuit board; a third electrical connector connected to the circuit board and configured to be electrically connected to a powered device such that power from the cell may be provided to the powered device through the third electrical connector; connect integrative electric core, skeleton and circuit board to and first electric connector, second electric connector and third electric connector and the inner chamber limited fit of casing slip. This technical scheme assembly structure is simple, can effectively avoid the battery package inside to rock.
Description
Technical Field
The present invention relates to a battery pack.
Background
In order to improve the versatility of the electric power tool and to prevent the working range of the electric power tool from being limited by the position of the socket, many cordless electric power tools are available on the market. The cordless electric tool has the characteristics of convenience in carrying, simplicity in operation, various functions and the like, can greatly reduce the labor intensity, improve the working efficiency and realize manual operation mechanization, and is widely applied to the fields of buildings, house decoration, automobiles, machinery, electric power, bridges, gardening and the like. The conventional battery pack for the cordless power tool has a complicated assembly structure to prevent shaking.
Disclosure of Invention
The invention aims to provide a battery pack which is simple in assembly structure and can effectively avoid shaking inside the battery pack.
The invention provides a battery pack, which comprises:
a housing;
the battery cell, the framework and the circuit board are sequentially connected with each other along the radial direction of the battery cell;
the first electric connector and the second electric connector are respectively arranged at the two ends of the positive electrode and the negative electrode in the axial direction of the battery cell and are respectively connected to the circuit board;
a third electrical connector connected to the circuit board and configured to be electrically connected to a powered device such that power from the cell may be provided to the powered device through the third electrical connector;
connect integrative electric core, skeleton and circuit board, and first electric connector, second electric connector and third electric connector with the inner chamber of casing sliding limit cooperation.
Further, connect integrative electric core, skeleton and circuit board to and first electric connector, second electric connector and third electric connector along length direction with the inner chamber of casing sliding limit cooperation.
Furthermore, a projected sliding key linearly extending along the length direction of the framework is arranged on the framework, and sliding grooves matched with the sliding key are correspondingly arranged on the inner wall of the shell; or;
the framework is provided with a sunken sliding groove which linearly extends along the length direction of the framework, and the inner wall of the shell is correspondingly provided with a convex sliding key matched with the sliding groove.
Furthermore, the first electrical connector and the second electrical connector respectively extend outwards and transversely, are bent and attached to the outer surface of the framework, and extend towards the circuit board to be connected to the circuit board.
Further, the first electrical connector and the second electrical connector respectively comprise extension sections which extend along the length direction of the axis of the battery cell in an opposite direction; the extending section and the circuit board keep at least 2mm apart from each other.
Further, the first electrical connector and the second electrical connector respectively comprise extension sections which extend oppositely along the length direction of the axis of the battery cell, the extension sections are spaced from each other, and the spacing distance is not less than 3 mm.
Further, a distance of not more than 4mm is kept between the extension section and the circuit board.
Further, the framework extends along the length direction of the axis of the battery cell and extends outwards in the length direction perpendicular to the axis of the battery cell to form a mounting part;
the mounting part is suitable for respectively positioning, mounting and connecting the battery cell and the circuit board;
the framework further comprises an arc-shaped groove which is positioned between the installation parts and extends along the length direction of the axis of the battery cell;
the arc-shaped groove corresponds to the arc-shaped surface of the battery cell.
Further, the width of the arc-shaped groove is smaller than the outer diameter of the battery core.
Compared with the prior art, the invention has the beneficial technical effects that:
the technical proposal is that a battery core, a framework and a circuit board are sequentially connected with each other along the radial direction of the battery core, wherein the battery core is limited by the framework, and the positive and negative ends of the battery core are connected with the circuit board by a first electric connector and a second electric connector, the two ends of the first electric connector and the second electric connector are respectively fixedly connected with the battery core and the circuit board, and a welding connection mode is particularly adopted, thus realizing the limit fixation of the battery core and the framework, wherein, the first electric connector and the second electric connector play the role of electric connection on the one hand, and also play the role of limit fixation on the other hand, in addition, the circuit board is directly fixed with the framework for limit, a third electric connector is fixedly connected with the circuit board, so far, the battery core, the framework and the circuit board, the first electric connector, the second electric connector and the third electric connector are connected into a whole, the assembly is simple and convenient, and the structure after the integration and the inner cavity are further limited to effectively prevent the inner part of the battery pack from shaking.
The invention aims to provide a battery pack which can effectively prevent the interior of the battery pack from shaking.
The invention provides a battery pack, which is characterized by comprising:
a housing;
the battery cell, the framework and the circuit board are sequentially connected with each other along the radial direction of the battery cell;
the first electric connector and the second electric connector are respectively arranged at the two ends of the positive electrode and the negative electrode in the axial direction of the battery cell and are respectively connected to the circuit board;
a third electrical connector connected to the circuit board and configured to be electrically connected to a powered device such that power from the cell may be provided to the powered device through the third electrical connector;
the framework is in sliding limit fit with the inner cavity of the shell.
Furthermore, the battery cell, the framework, the circuit board, the first electric connector, the second electric connector and the third electric connector are connected with each other to be assembled and connected into a whole.
Furthermore, a projected sliding key linearly extending along the length direction of the framework is arranged on the framework, and sliding grooves matched with the sliding key are correspondingly arranged on the inner wall of the shell; or;
the framework is provided with a sunken sliding groove which linearly extends along the length direction of the framework, and the inner wall of the shell is correspondingly provided with a convex sliding key matched with the sliding groove.
Compared with the prior art, the invention has the beneficial technical effects that:
this technical scheme is with electric core, skeleton and circuit board three along electric core radial direction interconnect in proper order, and wherein, electric core and circuit board are spacing through the skeleton respectively, and the spacing cooperation of inner chamber slip through skeleton and casing can effectively avoid the battery package inside to rock after spacing connection.
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, and it is obvious that the drawings in the following description are some embodiments of the present invention, and other drawings can be obtained by those skilled in the art without creative efforts.
FIG. 1: the structure of the specific embodiment of the invention is shown schematically;
FIG. 2: the structure of the specific embodiment of the invention is exploded and schematically illustrated;
FIG. 3: the structure assembly of the specific embodiment of the invention is shown schematically;
FIG. 4: the invention discloses an explosion diagram of a part of structure of a specific embodiment.
Detailed Description
The technical solutions of the present invention will be described clearly and completely with reference to the accompanying drawings, and it should be understood 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.
Referring to fig. 1, 2 and 3, a battery pack 100 includes a casing 10, a cell 20, a frame 30 and a circuit board 40, wherein the cell 20, the frame 30 and the circuit board 40 are sequentially connected to each other along a radial direction of the cell 20; also includes;
the first electrical connector 50 and the second electrical connector 60 are respectively arranged at the positive end and the negative end of the battery cell 20 in the axial direction, and the first electrical connector 50 and the second electrical connector 60 are respectively connected to the circuit board 40;
and a third electrical connector (70 a; 70b) connected to the circuit board 40, the third electrical connector (70 a; 70b) being configured to be electrically connected to the electric device such that the electric power from the battery cell 20 can be supplied to the electric device through the third electrical connector (70 a; 70 b);
the integrated battery cell 20, the framework 30 and the circuit board 40, and the first electrical connector 50, the second electrical connector 60 and the third electrical connector (70 a; 70b) are in sliding limit fit with the inner cavity of the shell 10.
The battery cell 20 is limited by the framework 30, the positive and negative ends of the battery cell 20 are connected to the circuit board 40 through the first electrical connector 50 and the second electrical connector 60, the two ends of the first electrical connector 50 and the second electrical connector 60 are respectively and fixedly connected with the battery cell 20 and the circuit board 40, and a welding connection mode is specifically adopted, so that the limitation and fixation of the battery cell 20 and the framework 30 are realized.
Wherein, first electric connector 50 and second electric connector 60 play the electric connection effect on the one hand, and on the other hand still plays spacing fixed effect, and in addition, circuit board 40 is direct fixed spacing with skeleton 30, specifically refer to fig. 2 and show, dispose convex hasp structure 30b on the skeleton 30 for circuit board 40 is direct fixed spacing with skeleton 30, correspond on the skeleton 30 and dispose the installation position of circuit board 40 certainly, the circuit board with the installation position after matching, with the frame 30 spacing fixed with it through convex hasp structure 30 b.
The third electrical connector (70 a; 70b) is fixedly connected to the circuit board 40, so that the battery cell 20, the framework 30 and the circuit board 40, as well as the first electrical connector 50, the second electrical connector 60 and the third electrical connector (70 a; 70b) are connected into a whole, and the whole structure is directly in sliding limit fit with the inner cavity of the shell 10 as shown in 200 in fig. 3, so that the assembly is simple and convenient, and the structure and the inner cavity after the integration are further limited to effectively prevent the inner part of the battery pack from shaking.
The integrated battery cell 20, the framework 30 and the circuit board 40, as well as the first electrical connector 50, the second electrical connector 60 and the third electrical connector (70 a; 70b) are in sliding limit fit with the inner cavity of the casing 10 along the length direction, namely the axial direction of the battery cell 10.
As shown in fig. 2, the integrated battery cell 20, the frame 30 and the circuit board 40, and the first electrical connector 50, the second electrical connector 60 and the third electrical connector (70 a; 70b) are combined to form an integrated structure 200, and when assembled, the integrated structure 200 is along the arrow
The orientation shown is inserted entirely into the interior cavity of the housing 10 and then secured with the end caps.
Referring to fig. 2, a protruded sliding key 80 linearly extending along the length direction of the framework 30 is provided on the framework, and a sliding groove 10a matched with the inner wall of the housing 10 is correspondingly arranged on the inner wall of the housing 10; or;
the frame 30 is provided with a concave sliding groove extending linearly along the length direction thereof, and the inner wall of the housing 10 is correspondingly provided with a convex sliding key matched with the concave sliding groove.
The battery cell 20, the frame 30, the circuit board 40, the first electrical connector 50, the second electrical connector 60 and the third electrical connector (70 a; 70b) are combined to form an integrated structure 200, mutual displacement does not exist basically, when the integrated structure is combined and assembled with the shell 10, the protruding sliding key 80 linearly extending along the length direction of the frame 30 is arranged on the frame, and the sliding groove 10a matched with the frame is correspondingly arranged on the inner wall of the shell 10 to be linearly inserted, so that the integrated structure 200 and the shell 10 further form a connection structure basically without displacement, an end cover is sealed and fixedly connected to carry out packaging, and no shaking is generated in the whole interior of the battery pack.
In addition, the first electrical connector 50 and the second electrical connector 60 respectively extend outwards and are bent and attached to the outer surface of the framework 30 in a transverse direction and extend towards the circuit board 40 to be connected to the circuit board 40.
Specifically, referring to fig. 4, the battery cell 20 is positioned in the framework 30, the framework 30 is provided with connection openings O1 and O2 corresponding to the electrodes at the two ends of the battery cell 20, and the starting ends of the first electrical connector 50 and the second electrical connector 60 are electrically connected to the electrodes at the two ends of the battery cell 20 corresponding to the connection openings O1 and O2, respectively, specifically, the first electrical connector 50 and the second electrical connector 60 are made of metal nickel sheets, which are connected to the electrodes at the two ends of the battery cell 20 by spot welding, and the spot welding connection portion is shown as a spot welding section 50a in fig. 4;
then, the first electrical connector 50 and the second electrical connector 60 are respectively along the outward transverse direction
Extending, bending, and adhering to the outer surface of the frame 30 to face the circuitThe plate 40 extends and is connected thereto, the first electrical connector 50 and the second electrical connector 60 being respectively along an outward transverse direction
Extending the protrusion and bending to form a laterally extending bent segment 50b, as shown in region a of fig. 4.
The above-mentioned structural design makes first electrical connector 50 and second electrical connector 60 and the cell epidermis form interval distribution, and first electrical connector 50 and second electrical connector 60 link to each other with the cell 20 electrode, and obviously be conducting material, and support skeleton 40 is insulating material in this technical scheme, so, be separated by insulating material between electrically conductive first electrical connector 50 and second electrical connector 60 and the cell 20 epidermis, therefore, even the damage of cell 20 epidermis, can not take place the short circuit accident yet, play the effect of safe insulating protection.
In addition, since the battery pack 100 is suitable for the power tool, which often involves large vibration during use, the first and second electrical connectors 50 and 60 are respectively disposed in the outward lateral direction
The extension is outstanding to bend, form the effect that the section of bending of transversely extending can also play effective damping vibration, avoid the great vibration that involves in the electric tool use to constitute the influence to inside.
As shown in fig. 2 and fig. 4, the first electrical connector 50 and the second electrical connector 60 respectively include extension sections 50c and 60c extending in opposite directions along the axial length direction of the battery cell 20; at least 2mm spacing is maintained between the extensions 50c and 60c and the circuit board 40.
Since the first electrical connector 50 and the second electrical connector 60 are made of conductive materials, maintaining a distance of at least 2mm between the extension sections 50c and 60c and the circuit board 40 can effectively prevent contact between the first electrical connector 50 and the second electrical connector 60 and the electronic components on the circuit board 40.
Further, the distance between the extension sections 50c and 60c and the circuit board 40 is not more than 4mm, so that the height of the battery pack in the radial direction is prevented from being large, and the compact structure of the battery pack is ensured.
In addition, the first electrical connector 50 and the second electrical connector 60 respectively comprise extension sections 50c and 60c which extend oppositely along the axial length direction of the battery core 20, and the extension sections 50c and 60c are mutually spaced, and the spacing distance L is not less than 3 mm.
Referring to fig. 2 and 4, the frame 30 extends along the axial length direction of the battery cell 20 and protrudes outward in the direction perpendicular to the axial length direction of the battery cell 20 to form a mounting portion (30 a; 30 b);
the mounting portions 30a and 30b are adapted to positionally mount the connection cell 20 and the circuit board 40, respectively;
specifically, the mounting portion 30a is adapted to position a mounting circuit board 40, particularly a circuit board 40 to which a third electrical connector (70 a; 70b) is secured, with the upwardly projecting portion of the mounting portion 30a at least partially wrapping around a side edge of the third electrical connector (70 a; 70 b).
The mounting portions 30b are adapted to position and mount the battery cell 20, specifically, the mounting portions 30b are respectively disposed at two ends of an electrode of the battery cell 20, and the two opposite mounting portions 30b are distributed along an axis of the battery cell 20 to limit an axial direction of the battery cell 20.
Further, the frame 30 further includes an arc-shaped groove 30c located between the mounting portions 30b and extending along the axial length direction of the battery cell 20; the arc-shaped groove 30c corresponds to the arc-shaped surface of the battery cell 20, and the arc-shaped groove 30c and the inner wall of the casing 10 are combined to form radial direction limit of the battery cell.
Moreover, the width of the arc-shaped groove 30c is smaller than the outer diameter of the battery core 20, so that the radial width of the battery pack is prevented from being larger, and the external size of the battery pack is reduced as much as possible.
Finally, it should be noted that: the above examples are only intended to illustrate the technical solution of the present invention, but not to limit it; although the present invention 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 solutions described in the foregoing embodiments may still be modified, or some or all of the technical features may be equivalently replaced; and the modifications or the substitutions do not make the essence of the corresponding technical solutions depart from the scope of the technical solutions of the embodiments of the present invention.
Claims (12)
1. A battery pack, comprising:
a housing;
the battery cell, the framework and the circuit board are sequentially connected with each other along the radial direction of the battery cell;
the first electric connector and the second electric connector are respectively arranged at the two ends of the positive electrode and the negative electrode in the axial direction of the battery cell and are respectively connected to the circuit board;
a third electrical connector connected to the circuit board and configured to be electrically connected to a powered device such that power from the cell may be provided to the powered device through the third electrical connector;
connect integrative electric core, skeleton and circuit board, and first electric connector, second electric connector and third electric connector with the inner chamber of casing sliding limit cooperation.
2. The battery pack according to claim 1, wherein: connect integrative electric core, skeleton and circuit board to and first electric connector, second electric connector and third electric connector along length direction with the inner chamber sliding limit cooperation of casing.
3. The battery pack according to claim 1 or 2, wherein: the framework is provided with a convex sliding key which linearly extends along the length direction of the framework, and the inner wall of the shell is correspondingly provided with a sliding chute matched with the sliding key; or;
the framework is provided with a sunken sliding groove which linearly extends along the length direction of the framework, and the inner wall of the shell is correspondingly provided with a convex sliding key matched with the sliding groove.
4. The battery pack according to claim 1, wherein: the first electric connector and the second electric connector respectively extend outwards and transversely, are bent and attached to the outer surface of the framework and extend towards the circuit board to be connected to the circuit board.
5. The battery pack according to claim 4, wherein: the first electrical connector and the second electrical connector respectively comprise extension sections which extend oppositely along the length direction of the axis of the battery cell; the extending section and the circuit board keep at least 2mm apart from each other.
6. The battery pack according to claim 4, wherein: the first electrical connector and the second electrical connector respectively comprise extension sections which extend oppositely along the length direction of the axis of the battery cell, the extension sections are mutually spaced, and the spacing distance is not less than 3 mm.
7. The battery pack according to claim 5, wherein: the distance between the extension section and the circuit board is not more than 4 mm.
8. The battery pack according to claim 1, wherein: the framework extends along the length direction of the axis of the battery cell and extends outwards in the length direction of the axis perpendicular to the battery cell to form a mounting part;
the mounting part is suitable for respectively positioning, mounting and connecting the battery cell and the circuit board;
the framework further comprises an arc-shaped groove which is positioned between the installation parts and extends along the length direction of the axis of the battery cell;
the arc-shaped groove corresponds to the arc-shaped surface of the battery cell.
9. The battery pack according to claim 8, wherein: the width of the arc-shaped groove is smaller than the outer diameter of the battery core.
10. A battery pack, comprising:
a housing;
the battery cell, the framework and the circuit board are sequentially connected with each other along the radial direction of the battery cell;
the first electric connector and the second electric connector are respectively arranged at the two ends of the positive electrode and the negative electrode in the axial direction of the battery cell and are respectively connected to the circuit board;
a third electrical connector connected to the circuit board and configured to be electrically connected to a powered device such that power from the cell may be provided to the powered device through the third electrical connector;
the framework is in sliding limit fit with the inner cavity of the shell.
11. The battery pack according to claim 10, wherein: the battery cell, the framework, the circuit board, the first electric connector, the second electric connector and the third electric connector are connected with each other, assembled and connected into a whole.
12. The battery pack according to claim 10 or 11, wherein: the framework is provided with a convex sliding key which linearly extends along the length direction of the framework, and the inner wall of the shell is correspondingly provided with a sliding chute matched with the sliding key; or;
the framework is provided with a sunken sliding groove which linearly extends along the length direction of the framework, and the inner wall of the shell is correspondingly provided with a convex sliding key matched with the sliding groove.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011450909.9A CN112531271B (en) | 2020-12-10 | 2020-12-10 | Battery pack |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011450909.9A CN112531271B (en) | 2020-12-10 | 2020-12-10 | Battery pack |
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| Publication Number | Publication Date |
|---|---|
| CN112531271A true CN112531271A (en) | 2021-03-19 |
| CN112531271B CN112531271B (en) | 2024-01-30 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202011450909.9A Active CN112531271B (en) | 2020-12-10 | 2020-12-10 | Battery pack |
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| Country | Link |
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| CN (1) | CN112531271B (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2022121993A1 (en) * | 2020-12-10 | 2022-06-16 | 浙江动一新能源动力科技股份有限公司 | Battery pack |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101447588A (en) * | 2008-12-09 | 2009-06-03 | 深圳毅力能源有限公司 | Chargeable lithium ion battery without identifying cathode and anode directions |
| CN205123331U (en) * | 2015-10-30 | 2016-03-30 | 四川品胜电子有限公司 | Take magnetism to inhale portable power source of charging wire |
| CN209357801U (en) * | 2019-03-28 | 2019-09-06 | 东莞市合中川电子科技有限公司 | a power supply device |
-
2020
- 2020-12-10 CN CN202011450909.9A patent/CN112531271B/en active Active
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101447588A (en) * | 2008-12-09 | 2009-06-03 | 深圳毅力能源有限公司 | Chargeable lithium ion battery without identifying cathode and anode directions |
| CN205123331U (en) * | 2015-10-30 | 2016-03-30 | 四川品胜电子有限公司 | Take magnetism to inhale portable power source of charging wire |
| CN209357801U (en) * | 2019-03-28 | 2019-09-06 | 东莞市合中川电子科技有限公司 | a power supply device |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2022121993A1 (en) * | 2020-12-10 | 2022-06-16 | 浙江动一新能源动力科技股份有限公司 | Battery pack |
| US12027725B2 (en) | 2020-12-10 | 2024-07-02 | Zhejiang Lera New Energy Power Technology Co., Ltd | Battery pack |
Also Published As
| Publication number | Publication date |
|---|---|
| CN112531271B (en) | 2024-01-30 |
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Address after: 315000 No. 255, Kesheng Road, Wangchun Industrial Park, Haishu District, Ningbo City, Zhejiang Province Applicant after: ZHEJIANG LERA NEW ENERGY POWER TECHNOLOGY Co.,Ltd. Address before: 398 Longtan Road, Fenghua District, Ningbo City, Zhejiang Province Applicant before: ZHEJIANG LERA NEW ENERGY POWER TECHNOLOGY Co.,Ltd. |
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