CN112531271B - Battery pack - Google Patents
Battery pack Download PDFInfo
- Publication number
- CN112531271B CN112531271B CN202011450909.9A CN202011450909A CN112531271B CN 112531271 B CN112531271 B CN 112531271B CN 202011450909 A CN202011450909 A CN 202011450909A CN 112531271 B CN112531271 B CN 112531271B
- Authority
- CN
- China
- Prior art keywords
- electric connector
- circuit board
- framework
- battery cell
- electric
- 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.)
- Active
Links
- 230000004323 axial length Effects 0.000 claims description 15
- 206010029216 Nervousness Diseases 0.000 abstract 1
- 238000003466 welding Methods 0.000 description 5
- 238000010586 diagram Methods 0.000 description 3
- 230000000694 effects Effects 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
- 238000004880 explosion Methods 0.000 description 2
- 238000009434 installation Methods 0.000 description 2
- 239000011810 insulating material Substances 0.000 description 2
- 238000005452 bending Methods 0.000 description 1
- 238000013016 damping Methods 0.000 description 1
- 238000005034 decoration Methods 0.000 description 1
- 238000005538 encapsulation Methods 0.000 description 1
- 238000010413 gardening Methods 0.000 description 1
- 238000003780 insertion Methods 0.000 description 1
- 230000037431 insertion Effects 0.000 description 1
- 238000009413 insulation 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
- 238000006467 substitution reaction Methods 0.000 description 1
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
Landscapes
- 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, which includes: 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 positive end and the negative end of 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 the powered device such that power from the electrical core may be provided to the powered device through the third electrical connector; the battery cell, the framework and the circuit board are connected integrally, and the first electric connector, the second electric connector and the third electric connector are in sliding limit fit with the inner cavity of the shell. The technical scheme has simple assembly structure and can effectively avoid shaking inside the battery pack.
Description
Technical Field
The present invention relates to a battery pack.
Background
In order to improve the versatility of the electric tool, the working range of the electric tool is not limited by the socket position, and a plurality of cordless electric tools are on the market. The cordless electric tool has the characteristics of convenience in carrying, simplicity in operation, multiple functions and the like, can greatly lighten the labor intensity, improve the working efficiency and realize the mechanization of manual operation, thereby being widely applied to the fields of building, house decoration, automobiles, machinery, electric power, bridges, gardening and the like. In order to avoid shaking, the conventional battery pack suitable for a cordless electric tool power supply has a relatively complex assembly structure.
Disclosure of Invention
The invention aims to provide a battery pack which is simple in assembly structure and can effectively prevent the inside of the battery pack from shaking.
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 positive end and the negative end of 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 electrical core may be provided to the powered device through the third electrical connector;
the battery cell, the framework and the circuit board are connected integrally, and the first electric connector, the second electric connector and the third electric connector are in sliding limit fit with the inner cavity of the shell.
Further, the integrated battery cell, the framework, the circuit board, the first electric connector, the second electric connector and the third electric connector are in sliding limit fit with the inner cavity of the shell along the length direction.
Further, 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 groove matched with the sliding key; or;
the framework is provided with a concave 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 concave sliding groove.
Further, the first electric connector and the second electric connector respectively extend outwards, are bent and attached to the outer surface of the framework in a transverse mode, extend towards the circuit board and are connected to the circuit board.
Further, the first electrical connector and the second electrical connector respectively comprise extension sections which extend towards each other along the axial length direction of the battery cell; the extension section maintains a spacing of at least 2mm from the circuit board.
Further, the first electrical connector and the second electrical connector respectively comprise extending sections which extend in opposite directions along the axial length direction of the battery cell, and the extending sections are mutually spaced apart, and the spacing distance is not less than 3mm.
Further, a distance of not more than 4mm is maintained between the extension section and the circuit board.
Further, the framework extends along the axial length direction of the battery cell and outwards extends and protrudes in the axial length direction perpendicular to the battery cell to form a mounting part;
the mounting part is suitable for positioning and mounting the battery cell and the circuit board respectively;
the framework also comprises arc-shaped grooves which are positioned between the mounting parts and extend along the axial length direction of the battery cell;
the arc-shaped groove corresponds to the arc-shaped surface of the battery core.
Further, the width of the arc-shaped groove is smaller than the outer diameter of the battery cell.
Compared with the prior art, the invention has the beneficial technical effects that:
according to the technical scheme, the electric core, the framework and the circuit board are sequentially connected with each other along the radial direction of the electric core, wherein the electric core is limited by the framework, the positive and negative ends of the electric core are connected to the circuit board through the first electric connector and the second electric connector, the first electric connector and the second electric connector are respectively fixedly connected with the electric core and the circuit board, a welding connection mode is specifically adopted, limiting fixation of the electric core and the framework is achieved, the first electric connector and the second electric connector play an electric connection role on one hand, and on the other hand also play a limiting fixation role, in addition, the circuit board is directly limited by the framework, the third electric connector is fixedly connected with the circuit board, so that the electric core, the framework and the circuit board are integrally connected, the integral structure is directly matched with the inner cavity sliding limit of the shell, the assembly is simple and convenient, and the integral structure and the inner cavity are further limited to effectively prevent the battery pack from shaking.
The invention aims to provide a battery pack capable of effectively preventing the inside 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 positive end and the negative end of 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 electrical core 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.
Further, the battery core, the framework, the circuit board, the first electric connector, the second electric connector and the third electric connector are connected, assembled and connected into a whole.
Further, 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 groove matched with the sliding key; or;
the framework is provided with a concave 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 concave sliding groove.
Compared with the prior art, the invention has the beneficial technical effects that:
according to the technical scheme, the battery cell, the framework and the circuit board are sequentially connected with each other along the radial direction of the battery cell, wherein the battery cell and the circuit board are limited through the framework respectively, and the battery pack can be effectively prevented from shaking through sliding and limiting cooperation of the framework and the inner cavity of the shell after limiting connection.
Drawings
In order to more clearly illustrate the embodiments of the present invention 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 invention, and other drawings can be obtained according to the drawings without inventive effort for a person skilled in the art.
Fig. 1: the structure of the specific embodiment of the invention is schematically shown;
fig. 2: the structure explosion schematic diagram of the specific embodiment of the invention;
fig. 3: the structure assembly schematic diagram of the embodiment of the invention;
fig. 4: the explosion schematic diagram of part of the structure of the specific embodiment of the invention.
Detailed Description
The following description of the embodiments of the present invention will be made apparent and fully in view of the accompanying drawings, in which some, but not all embodiments of the invention are shown. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.
Referring to fig. 1, 2 and 3, a battery pack 100 includes a case 10, a battery cell 20, a frame 30 and a circuit board 40, the battery cell 20, the frame 30 and the circuit board 40 being sequentially connected to each other in a radial direction of the battery cell 20; also comprises;
the first and second electrical connectors 50 and 60 disposed at both ends of the positive and negative electrodes of the battery cell 20 in the axial direction, respectively, the first and second electrical connectors 50 and 60 being connected to the circuit board 40, respectively;
and, a third electrical connector (70 a;70 b) connected to the circuit board 40, the third electrical connector (70 a;70 b) configured to be electrically connected to the powered device such that power from the battery cell 20 may be provided to the powered 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 electric connector 50, the second electric connector 60 and the third electric connector (70 a;70 b) 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 by the first electric connector 50 and the second electric connector 60, the two ends of the first electric connector 50 and the second electric connector 60 are respectively fixedly connected with the battery cell 20 and the circuit board 40, and a welding connection mode is specifically adopted, so that the limiting fixation of the battery cell 20 and the framework 30 is realized.
The first electrical connector 50 and the second electrical connector 60 perform an electrical connection function on one hand, and perform a limiting and fixing function on the other hand, in addition, the circuit board 40 is directly fixed and limited with the framework 30, specifically referring to fig. 2, a protruding latch structure 30b is disposed on the framework 30 for directly fixing and limiting the circuit board 40 with the framework 30, and of course, an installation position of the circuit board 40 is correspondingly disposed on the framework 30, and after the circuit board is matched with the installation position, the circuit board is limited and fixed with the framework 30 through the protruding latch structure 30 b.
The third electric connector (70 a;70 b) is fixedly connected to the circuit board 40, so far, the battery core 20, the framework 30 and the circuit board 40, and the first electric connector 50, the second electric connector 60 and the third electric connector (70 a;70 b) are integrally connected, the integral structure is integrally, as shown in 200 in fig. 3, directly in sliding limit fit with the inner cavity of the shell 10, the assembly is simple and convenient, and the integral structure and the inner cavity are further limited to effectively prevent the battery pack from shaking.
The integrated battery cell 20, the framework 30 and the circuit board 40, and the first electric connector 50, the second electric connector 60 and the third electric connector (70 a;70 b) are in sliding limit fit with the inner cavity of the shell 10 along the length direction, namely the axial direction of the battery cell 10.
As shown in fig. 2, the integrated battery cells 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;70 b) are connected to form a unitary structure 200, and when assembled, the unitary structure 200 follows the arrowThe entire body is inserted into the cavity of the housing 10 in the direction shown and then secured in place with the end cap.
Referring to fig. 2, a skeleton 30 is provided with a protruding sliding key 80 extending linearly along its length direction, and a sliding groove 10a matching with the sliding key is correspondingly arranged on the inner wall of a 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 shell 10 is correspondingly provided with a convex sliding key matched with the concave sliding groove.
The battery core 20, the framework 30, the circuit board 40, the first electric connector 50, the second electric connector 60 and the third electric connector (70 a;70 b) are combined to form an integral structure 200, no displacement is generated between the integral structure and the first electric connector, the second electric connector 60 and the third electric connector, when the integral structure is assembled with the shell 10, sliding keys 80 which are protruded and linearly extend along the length direction of the sliding keys are arranged on the framework 30, and sliding grooves 10a matched with the sliding keys are correspondingly arranged on the inner wall of the shell 10 for linear insertion, so that the integral structure 200 further forms a connection structure without displacement with the shell 10, and the integral structure is sealed and fixedly connected by an end cover for encapsulation, and the whole battery pack is free from shaking.
In addition, the first electrical connector 50 and the second electrical connector 60 are respectively bent and folded outwards transversely to be attached to the outer surface of the skeleton 30 and are connected to the circuit board 40 in an extending manner towards the circuit board 40.
Specifically, referring to fig. 4, the battery cell 20 is positioned in the skeleton 30, connection openings O1 and O2 are respectively provided at two end electrodes of the skeleton 30 corresponding to the battery cell 20, and the starting ends of the first electric connector 50 and the second electric connector 60 are respectively and electrically connected at two end electrodes of the connection openings O1 and O2 at the battery cell 20, specifically, the first electric connector 50 and the second electric connector 60 are made of metal nickel sheets, and are in spot welding connection with two end electrodes of the battery cell 20, and spot welding connection parts are shown as spot welding sections 50a in fig. 4;
then, the first and second electrical connectors 50 and 60, respectively, are in an outward lateral directionThe first and second electrical connectors 50 and 60 are respectively extended and protruded and bent and then are attached to the outer surface of the frame 30 to extend toward and be connected with the circuit board 40, and the first and second electrical connectors 50 and 60 are respectively extended in the outward lateral direction +>The extension protrudes and is bent to form a laterally extending bent section 50b, as shown in fig. 4 at a.
The above structural design makes the first electric connector 50 and the second electric connector 60 and the cell skin form interval distribution, the first electric connector 50 and the second electric connector 60 are connected with the electrode of the cell 20 and are obviously conductive materials, in the technical scheme, the supporting framework 40 is made of insulating materials, so the conductive first electric connector 50 and the second electric connector 60 are separated from the cell 20 skin by the insulating materials, even if the cell 20 skin is damaged, short-circuit accidents can not occur, and the function of safety insulation protection is played.
In addition, since the battery pack 100 is suitable for a power tool, and vibrations often involved in the use of the power tool are large, the first and second electrical connectors 50 and 60 are respectively in the outward lateral directionThe extension is outstanding to bend, forms the horizontal extension section of bending and can also play the effect of effectively damping vibration, avoids the great vibration that involves in the electric tool use to constitute the influence to inside.
With continued reference to fig. 2 and 4, the first electrical connector 50 and the second electrical connector 60 respectively include extension sections 50c and 60c extending along the axial length direction of the battery cell 20; the extended sections 50c and 60c are spaced apart from the circuit board 40 by at least 2 mm.
Since the first and second electrical connectors 50 and 60 are both made of conductive material, maintaining a spacing of at least 2mm between the extension sections 50c and 60c and the circuit board 40 is effective to avoid contact between the first and second electrical connectors 50 and 60 and the electronic components on the circuit board 40.
Further, the distance between the extending sections 50c and 60c and the circuit board 40 is kept not more than 4mm, so that the battery pack is prevented from being large in height in the radial direction, and the compact structure of the battery pack is ensured.
In addition, the first and second electrical connectors 50 and 60 include extension sections 50c and 60c, respectively, which extend in opposite directions along the axial length direction of the battery cell 20, the extension sections 50c and 60c being spaced apart from each other by a spacing distance L of not less than 3mm.
Referring to FIGS. 2 and 4, the frame 30 extends along the axial length direction of the battery cell 20 and protrudes outward in the axial length direction perpendicular to the battery cell 20 to form a mounting portion (30 a;30 b);
the mounting parts 30a and 30b are adapted to respectively position and mount the connection cell 20 and the circuit board 40;
in particular, the mounting portion 30a is adapted to position the mounting circuit board 40, in particular the circuit board 40 to which the third electrical connector (70 a;70 b) is fixed, the upwardly projecting extending portion of the mounting portion 30a at least partially surrounding the side edges of the third electrical connector (70 a;70 b).
The mounting portions 30b are adapted to position and mount the battery cells 20, specifically, the mounting portions 30b are respectively disposed at two ends of the electrode corresponding to the battery cells 20, and the two opposite mounting portions 30b are distributed along the axis of the battery cells 20 to limit the axial direction of the battery cells 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 shell 10 are combined to form the limit of the battery cell in the radial direction.
Moreover, the width of the arc-shaped groove 30c is smaller than the outer diameter of the battery cell 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 embodiments are only for illustrating the technical solution of the present invention, and are not limiting; although the 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 scheme described in the foregoing embodiments can be modified or some or all of the technical features thereof can be replaced with equivalents; such modifications and substitutions do not depart from the spirit of the technical solutions according to the embodiments of the present invention.
Claims (10)
1. A battery pack, comprising:
a housing;
the battery cell comprises a battery cell, a framework and a circuit board which are sequentially connected with each other along the radial direction of the battery cell, wherein the circuit board is fixedly limited with the framework, and connecting openings are respectively arranged at two ends of the framework corresponding to the battery cell;
the first electric connector and the second electric connector are respectively arranged at the positive end and the negative end of the axial direction of the electric core, the initial ends of the first electric connector and the second electric connector are respectively corresponding to the connecting opening, and the two ends of the first electric connector and the second electric connector are respectively fixedly connected with the electric core and the circuit board so as to play a role of limiting and fixing;
a third electrical connector fixedly connected to the circuit board and configured to be electrically connected to an electrical consumer such that power from the electrical core may be provided to the electrical consumer through the third electrical connector;
the battery cell, the skeleton with the circuit board, and first electric connector, the second electric connector with the third electric connector combination forms an organic whole structure, be provided with the convex sliding key that extends along its length direction is linear on the skeleton, the spout that matches with it is corresponding to be arranged on the inner wall of casing, perhaps, be provided with the concave spout that extends along its length direction is linear on the skeleton, the convex sliding key that matches with it is corresponding to be arranged on the inner wall of casing to make this integral structure with the inner chamber slip spacing cooperation of casing.
2. The battery pack according to claim 1, wherein: the first electric connector and the second electric connector are respectively outwards and transversely extended, bent and attached to the outer surface of the framework, and extend towards the circuit board to be connected to the circuit board.
3. The battery pack according to claim 2, wherein: the first electric connector and the second electric connector respectively comprise extension sections which extend oppositely along the axial length direction of the electric core; the extension section maintains a spacing of at least 2mm from the circuit board.
4. The battery pack according to claim 2, wherein: the first electric connector and the second electric connector respectively comprise extending sections which extend oppositely along the axial length direction of the electric core, and the extending sections are mutually spaced with a spacing distance not smaller than 3mm.
5. A battery pack according to claim 3, wherein: the distance between the extension section and the circuit board is kept to be not more than 4 mm.
6. The battery pack according to claim 1, wherein: the framework extends along the axial length direction of the battery cell and outwards extends and protrudes in the axial length direction perpendicular to the battery cell to form a mounting part;
the mounting part is suitable for positioning and mounting the battery cell and the circuit board respectively;
the framework also comprises arc-shaped grooves which are positioned between the mounting parts and extend along the axial length direction of the battery cell;
the arc-shaped groove corresponds to the arc-shaped surface of the battery core.
7. The battery pack according to claim 6, wherein: the width of the arc-shaped groove is smaller than the outer diameter of the battery cell.
8. A battery pack, comprising:
a housing;
the battery cell comprises a battery cell, a framework and a circuit board which are sequentially connected with each other along the radial direction of the battery cell, wherein the circuit board is fixedly limited with the framework, and connecting openings are respectively arranged at two ends of the framework corresponding to the battery cell;
the first electric connector and the second electric connector are respectively arranged at the positive end and the negative end of the axial direction of the electric core, respectively extend and protrude along the outward transverse direction, are bent to form a transverse extending bent section so as to attenuate vibration, thereby avoiding the influence of larger vibration involved in the use process of the electric tool on the inside, are attached to the outer surface of the framework, extend towards the circuit board and are connected with the circuit board, the initial ends of the first electric connector and the second electric connector respectively correspond to the connecting openings, and the two ends of the first electric connector and the second electric connector are respectively fixedly connected with the electric core and the circuit board so as to play a role of limiting and fixing;
a third electrical connector connected to the circuit board and configured to be electrically connected to a powered device such that power from the electrical core 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.
9. The battery pack of claim 8, wherein: the battery cell, the framework, the circuit board, the first electric connector, the second electric connector and the third electric connector are connected, assembled and connected into a whole.
10. The battery pack according to claim 8 or 9, 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 groove matched with the sliding key; or;
the framework is provided with a concave 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 concave 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 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN112531271A CN112531271A (en) | 2021-03-19 |
| CN112531271B true CN112531271B (en) | 2024-01-30 |
Family
ID=74998719
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202011450909.9A Active CN112531271B (en) | 2020-12-10 | 2020-12-10 | Battery pack |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN112531271B (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US12027725B2 (en) | 2020-12-10 | 2024-07-02 | Zhejiang Lera New Energy Power Technology Co., Ltd | 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 |
Also Published As
| Publication number | Publication date |
|---|---|
| CN112531271A (en) | 2021-03-19 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN110021716B (en) | Battery unit, battery module and car | |
| CN215644775U (en) | Battery pack structure | |
| JP7675112B2 (en) | Battery pack | |
| CN215377782U (en) | Power supply structure | |
| CN116114093A (en) | Battery cell, battery, electric equipment and manufacturing equipment and method of battery cell | |
| CN112531271B (en) | Battery pack | |
| JP3678991B2 (en) | Motor electrical noise suppression device | |
| CN201741650U (en) | Power battery fuse | |
| CN112531270B (en) | Battery pack structure | |
| CN204103679U (en) | Vibrating motor | |
| CN114204221B (en) | Electrochemical device, battery module and electronic device | |
| CN112736349B (en) | Battery pack | |
| CN211719443U (en) | Protective cap and capacitor with protective cap | |
| CN209344199U (en) | Electric tool and its battery compartment | |
| CN215071742U (en) | Vehicle-mounted charger | |
| KR20070106842A (en) | Standard Inner Rechargeable Battery | |
| CN220400861U (en) | Battery module | |
| CN222826660U (en) | Socket Assemblies and Sockets | |
| CN221827998U (en) | Battery cover assembly, battery, battery pack and electrical equipment | |
| CN212136554U (en) | Battery module and new forms of energy equipment | |
| CN217544521U (en) | Explosion-proof patch current fuse casing | |
| CN219937103U (en) | Secondary batteries and electrical equipment | |
| CN217984763U (en) | Motor of flywheel energy storage unit and flywheel energy storage unit | |
| CN222884033U (en) | Power rails and rail sockets | |
| CN222705898U (en) | Automobile electronic dampproof connector |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| CB02 | Change of applicant information |
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. |
|
| CB02 | Change of applicant information | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant |