CN112531270A - Battery pack structure - Google Patents
Battery pack structure Download PDFInfo
- Publication number
- CN112531270A CN112531270A CN202011450838.2A CN202011450838A CN112531270A CN 112531270 A CN112531270 A CN 112531270A CN 202011450838 A CN202011450838 A CN 202011450838A CN 112531270 A CN112531270 A CN 112531270A
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- Prior art keywords
- battery cell
- circuit board
- framework
- battery
- pack structure
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- 238000009434 installation Methods 0.000 claims abstract description 28
- 230000004323 axial length Effects 0.000 description 8
- 238000003466 welding Methods 0.000 description 5
- PXHVJJICTQNCMI-UHFFFAOYSA-N Nickel Chemical compound [Ni] PXHVJJICTQNCMI-UHFFFAOYSA-N 0.000 description 4
- 230000000694 effects Effects 0.000 description 4
- 230000009286 beneficial effect Effects 0.000 description 3
- 210000002615 epidermis Anatomy 0.000 description 3
- 230000015572 biosynthetic process Effects 0.000 description 2
- 239000004020 conductor Substances 0.000 description 2
- 210000003811 finger Anatomy 0.000 description 2
- 239000011810 insulating material Substances 0.000 description 2
- 229910052759 nickel Inorganic materials 0.000 description 2
- 210000003813 thumb Anatomy 0.000 description 2
- 230000002238 attenuated effect Effects 0.000 description 1
- 239000011324 bead Substances 0.000 description 1
- 238000005452 bending 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
- 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
Abstract
The invention provides a battery pack structure, which comprises a battery cell, a framework and a first circuit board, wherein the battery cell, the framework and the first circuit board are sequentially connected and arranged along the radial direction of the battery cell; the framework extends along the length direction of the axis of the battery cell and comprises: the first installation part extends outwards and protrudes along the length direction of the axis perpendicular to the battery cell and is suitable for respectively positioning, installing and connecting the battery cell and the first circuit board; the second mounting part extends and protrudes outwards along the length direction of the axis of the battery cell and is suitable for being connected with a second circuit board in a positioning and mounting mode; the second circuit board is in communication connection with the first circuit board. The internal arrangement structure of the technical scheme is novel.
Description
Technical Field
The invention relates to a battery pack structure.
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 battery pack used as the power supply of the cordless electric tool has various internal structural arrangements.
Disclosure of Invention
The invention aims to provide a battery pack structure with a novel internal arrangement structure.
The invention provides a battery pack structure, which comprises:
the battery cell, the framework and the first circuit board are sequentially connected along the radial direction of the battery cell;
the framework extends along the length direction of the axis of the battery cell and comprises:
the first installation part extends outwards along the length direction of the axis of the battery cell and is suitable for respectively positioning, installing and connecting the battery cell and the first circuit board;
the second mounting part extends and protrudes outwards along the length direction of the axis of the battery cell and is suitable for being connected with a second circuit board in a positioning and mounting mode;
the second circuit board is in communication connection with the first circuit board.
Further, the first mounting part comprises first parts which are positioned at two ends of the battery cell and are in contact with the battery cell, and the first parts at least partially cover the end parts of the battery cell; and the second part is positioned on the edge side of the first circuit board and is in limit connection with the first circuit board, and the second part supports the first circuit board in limit connection so that the first circuit board and the body of the framework are arranged at intervals.
Furthermore, the second installation part is located the second circuit board edge side and is connected with it spacing.
Further, the second mounting portion is adjacent to an end portion of the battery cell.
Further, the second mounting portion is arranged at a position of a first portion of the first mounting portion, the first portion being located at both ends of the battery cell and being in contact with end portions of the battery cell.
Further, the second mounting portion is located at an edge portion of the first portion.
Compared with the prior art, the invention has the beneficial technical effects that:
this technical scheme is with electric core, the skeleton, first circuit board connects gradually the setting along the radial direction of electric core, and the skeleton extends along the axis length direction of electric core, this skeleton is used for fixing a position erection joint electric core and first circuit board respectively on the axis length direction of perpendicular to electric core and along the axis length direction of electric core outside extension protrusion respectively and forms first installation department and second installation department, and fix a position erection joint second circuit board, and keep second circuit board and first circuit board communication connection, its structural configuration is novel, it is succinct.
Another object of the present invention is to provide a battery pack structure that is convenient to hold and press.
The invention provides a battery pack structure, which comprises:
a housing;
the battery cell, the framework and the first circuit board are positioned in the shell and sequentially connected along the radial direction of the battery cell;
the framework extends outwards along the length direction of the axis of the battery cell to form a second mounting part;
the second mounting part is suitable for positioning, mounting and connecting a second circuit board;
the second circuit board is in communication connection with the first circuit board and at least comprises a wake-up switch;
the shell comprises an end cover corresponding to the second circuit board, a button is arranged at the position, corresponding to the awakening switch, of the end cover, and a convex column suitable for being in contact with the awakening switch is arranged on the inner side of the button.
Further, the button is adapted to be elastically deformed, and/or; the outer surface of the button is substantially flush with the outer surface of the end cap.
The battery cell further comprises a first mounting part, wherein the first mounting part comprises first parts which are positioned at two ends of the battery cell and are in contact with the battery cell, and the first parts at least partially cover the end parts of the battery cell; and the second part is positioned on the edge side of the first circuit board and is in limit connection with the first circuit board, and the second part supports the first circuit board in limit connection so that the first circuit board and the body of the framework are arranged at intervals.
Further, the second installation part is arranged at the position of the first part of the first installation part and is in limit connection with the edge side of the second circuit board.
Compared with the prior art, the invention has the beneficial technical effects that:
this technical scheme disposes the second circuit board of awakening switch and sets up in the axis length direction of electric core to the button has been arranged in the end cover department that corresponds, and the button inboard is equipped with and is suitable for and awakens the projection that the switch contacted mutually, and when the user operation used, four fingers grip battery package length direction surface tightly, and it is convenient to grip, and the thumb just corresponds and is located button department, conveniently presses the operation.
Another object of the present invention is to provide a battery pack structure that facilitates positioning of battery cells.
The invention provides a battery pack structure, which comprises:
the battery cell, the framework and the first circuit board are sequentially connected along the radial direction of the battery cell;
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 first mounting part;
the first installation part is suitable for respectively positioning, installing and connecting the battery cell and the first circuit board;
the framework further comprises an arc-shaped groove which is positioned between the first 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:
this technical scheme connects gradually the setting with electric core, skeleton and first circuit board along electric core radial direction to on electric core radial direction, on the axis length direction of perpendicular to electric core promptly, outside extension outstanding formation first installation department, and between first installation department, arrange the arc wall that extends along the axis length direction of electric core, the arc wall is corresponding with the arcwall face of electric core, first installation department carries on spacingly to electric core on the axis direction, be equipped with the arc wall simultaneously and carry on spacingly on radial direction.
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 embodiment of the invention is exploded;
FIG. 3: the invention discloses an explosion diagram of a part of the structure of a specific embodiment;
FIG. 4: the structure of the specific embodiment of the invention is in a sectional view;
FIG. 5: another perspective structure exploded view of an embodiment of the present invention.
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 and 2, a battery pack structure 100 includes a battery cell 20, a frame 30 and a first circuit board 40a, where the battery cell 20, the frame 30 and the first circuit board 40a are sequentially connected in a radial direction of the battery cell 20;
the backbone 30 extends along the axial length of the battery cell 20, and includes:
first mounting portions (30a, 30b) projecting outwardly in a direction perpendicular to the length of the axis of the battery cell 20, adapted to positionally mount and connect the battery cell 20 and the first circuit board 40a, respectively;
a second mounting portion 30c, which extends and protrudes outward along the axial length direction of the battery cell 20 and is adapted to be positioned, mounted and connected to the second circuit board 40 b;
the second circuit board 40b is communicatively coupled to the first circuit board 40 a.
The first circuit board 40a is a main control board of the battery pack and has functions of BMS management and the like, and the second circuit board 40b is a sub-board on which a wake-up switch and/or a lamp bead and other electronic components are arranged.
This technical scheme is with electric core, the skeleton, first circuit board connects gradually the setting along the radial direction of electric core, and the skeleton extends along the axis length direction of electric core, this skeleton is used for fixing a position erection joint electric core and first circuit board respectively on the axis length direction of perpendicular to electric core and along the axis length direction of electric core outside extension protrusion respectively and forms first installation department and second installation department, and fix a position erection joint second circuit board, and keep second circuit board and first circuit board communication connection, its structural configuration is novel, it is succinct.
Specifically, referring to fig. 2 and 3, the first mounting portions (30a, 30b) include first portions 30a located at both ends of the battery cell 20 and in contact therewith, and the first portions 30a at least partially cover the ends of the battery cell 20; and a second part 30b which is positioned at the edge side of the first circuit board 40a and is connected with the first circuit board 40a in a limiting way, wherein the second part 30b supports the first circuit board 40a in a limiting way, so that the first circuit board 40a and the body of the framework 30 are arranged at intervals.
The first portions 30a are correspondingly distributed at two ends of the battery cell 20 in the long axis direction, the distance between the first portions 30a and the second portions is suitable for being matched with the axial length of the battery cell 20, the first portions 30a at the two ends realize the limit in the long axis direction of the battery cell 20, and the height of the first portions 30a in the radial direction of the battery cell 20 preferably corresponds to the height of the radial end face of the battery cell 20.
The second portion 30b preferably adopts a locking structure for directly fixing and limiting the first circuit board 40a to the framework 30, and certainly, the framework 30 is correspondingly provided with a mounting position of the first circuit board 40a, and the circuit board is limited and fixed to the framework 30 through the convex locking structure 30b after being matched with the mounting position.
As described above, the battery cell 20 is limited by the frame 30, in addition, the positive and negative ends of the battery cell 20 are connected to the first circuit board 40a by the first electrical connector 50 and the second electrical connector 60, and the two ends of the first electrical connector 50 and the second electrical connector 60 are respectively fixedly connected to the battery cell 20 and the circuit board 40, specifically, a welding connection manner is adopted, so that the limitation and fixation of the battery cell 20 and the frame 30 are realized.
The battery cell 20 is preferably a 21700 battery cell or 18650 battery cell, the first electrical connector 50 and the second electrical connector 60 are made of conductive materials, preferably nickel sheets, and the positive and negative electrode connecting portions of the battery cell, corresponding to the first electrical connector 50 and the second electrical connector 60, are preferably fixed by spot welding.
The first electrical connector 50 and the second electrical connector 60 are electrically connected and fixed.
As shown in fig. 2 and fig. 3, the first electrical connector 50 and the second electrical connector 60 respectively extend along the axial length direction of the battery cell 20.
The battery cell 20 is positioned in the framework 30, the framework 30 is provided with connecting openings O1 and O2 corresponding to electrodes at two ends of the battery cell 20, respectively, starting ends of the first electrical connector 50 and the second electrical connector 60 are electrically connected to electrodes at two ends of the battery cell 20 corresponding to the connecting 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 two ends of the battery cell 20 by spot welding, and spot welding connection portions are shown as spot welding sections 50a in fig. 3;
then, the first electrical connector 50 and the second electrical connector 60 respectively extend and protrude along the outward transverse direction e, and are bent, and then stick to the outer surface of the framework 30 to extend towards and connect with the first circuit board 40a, and the first electrical connector 50 and the second electrical connector 60 respectively extend and protrude along the outward transverse direction e, and are bent, so as to form a transversely extending bent section 50b, as shown in a region a in fig. 3.
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 structure 100 is suitable for an electric tool, and the electric tool often involves large vibration during use, the first electrical connector 50 and the second electrical connector 60 respectively extend and protrude along the outward transverse direction e, and are bent to form a transverse extending bending section, so that the vibration can be effectively attenuated, and the influence of the large vibration involved during use of the electric tool on the inside can be avoided.
Referring to fig. 1 and 2, the second mounting portion 30c is located at an edge side of the second circuit board 40b and is connected to the edge side of the second circuit board, and the second mounting portion 30c preferably adopts a locking structure.
Further, a second mounting portion 30c is adjacent to an end of the battery cell 20, and specifically, the second mounting portion 30c is formed on an outer side surface of the first portion 30a, i.e., the second mounting portion 30c is formed by outwardly extending the outer side surface of the first portion 30 a.
The second mounting portions 30c are arranged at the positions of the first portions 30a of the first mounting portions (30a, 30b), the first portions 30a being located at both ends of the battery cell 20 and being in contact with the ends of the battery cell 20.
Also, the second mounting portion 30c is located at an edge portion of the first portion 30a, facilitating assembly and spacing of the second circuit board 40 b.
Referring to fig. 4 and 5, the battery pack structure 100 includes a casing 10, a battery cell 20 located in the casing 10 and sequentially connected to the battery cell 20 along a radial direction of the battery cell 20, a frame 30, and a first circuit board 40 a;
the framework 30 extends and protrudes outwards along the axial length direction of the battery cell 10 to form a second mounting part 30 c;
the second mounting portion 30c is adapted to be positioned, mounted and connected to the second circuit board 40 b;
the second circuit board 40b is in communication connection with the first circuit board 40a and at least comprises a wake-up switch 40 b-1;
the shell 10 comprises an end cover 10a corresponding to the second circuit board 40b, a button 10a-1 is arranged at a position of the end cover 10a corresponding to the wake-up switch 40b-1, and a convex column p suitable for being in contact with the wake-up switch 40b-1 is arranged on the inner side of the button 10 a-1.
This technical scheme disposes the second circuit board of awakening switch and sets up in the axis length direction of electric core to end cover department that corresponds has arranged the button, and the button inboard is equipped with and is suitable for and awakens the projection that the switch contacted mutually, and when the user operation used, four fingers tightly held the battery package length direction surface, and it is convenient to grip, and the thumb just corresponds and is located button department, conveniently presses the operation, and convenient one-hand operation grips, presses.
Wherein the button 10a-1 is adapted to be elastically deformed, and/or; the outer surface of the button 10a-1 is substantially flush with the outer surface of the cap 10a, as shown with particular reference to FIG. 4.
The battery pack structure 100 further includes first mounting portions (30a, 30b), where the first mounting portions (30a, 30b) include first portions 30a located at two ends of the battery cell 20 and contacting with the battery cell, and the first portions 30a at least partially cover the end portions of the battery cell 20; and a second part 30b which is positioned at the edge side of the first circuit board 40a and is connected with the first circuit board 40a in a limiting way, wherein the second part 30b supports the first circuit board 40a in a limiting way, so that the first circuit board 40a and the body of the framework 30 are arranged at intervals.
The second mounting portion 30c is disposed at the position of the first portion 30a of the first mounting portions (30a, 30b), and is in limit connection with the edge side of the second circuit board 40 b.
Referring to fig. 5, a battery pack structure 100 includes: the battery cell 20, the framework 30 and the first circuit board 40a are sequentially connected and arranged along the radial direction of the battery cell 20;
the framework 30 extends along the axial length direction of the battery cell 20 and outwards extends and protrudes in the direction perpendicular to the axial length direction of the battery cell 20 to form first mounting parts (30a, 30 b);
the first mounting parts (30a, 30b) are adapted to positionally mount the connection cell 20 and the first circuit board 40a, respectively;
the framework 30 further comprises an arc-shaped groove 30d which is positioned between the first installation parts (30a, 30b) and extends along the axial length direction of the battery cell 20;
the arc-shaped slot 30d corresponds to the arc-shaped surface of the battery cell 20.
The arc-shaped groove 30d corresponds to the arc-shaped surface of the battery cell 20, and the arc-shaped groove 30d is combined with the inner wall of the casing 10 to form radial direction limitation 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.
This technical scheme connects gradually the setting with electric core, skeleton and first circuit board along electric core radial direction to on electric core radial direction, on the axis length direction of perpendicular to electric core promptly, outside extension outstanding formation first installation department, and between first installation department, arrange the arc wall that extends along the axis length direction of electric core, the arc wall is corresponding with the arcwall face of electric core, first installation department carries on spacingly to electric core on the axis direction, be equipped with the arc wall simultaneously and carry on spacingly on radial direction.
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 structure, comprising:
the battery cell, the framework and the first circuit board are sequentially connected along the radial direction of the battery cell;
the framework extends along the length direction of the axis of the battery cell and comprises:
the first installation part extends outwards along the length direction of the axis of the battery cell and is suitable for respectively positioning, installing and connecting the battery cell and the first circuit board;
the second mounting part extends and protrudes outwards along the length direction of the axis of the battery cell and is suitable for being connected with a second circuit board in a positioning and mounting mode;
the second circuit board is in communication connection with the first circuit board.
2. The battery pack structure of claim 1, wherein: the first installation part comprises first parts which are positioned at two ends of the battery cell and are in contact with the battery cell, and the first parts at least partially cover the end parts of the battery cell; and the second part is positioned on the edge side of the first circuit board and is in limit connection with the first circuit board, and the second part supports the first circuit board in limit connection so that the first circuit board and the body of the framework are arranged at intervals.
3. The battery pack structure of claim 1, wherein: the second installation part is positioned at the edge side of the second circuit board and is in limit connection with the second circuit board.
4. The battery pack structure according to claim 1 or 3, wherein: the second installation part is adjacent to the end part of the battery core.
5. The battery pack structure of claim 4, wherein: the second installation part is arranged at the position of the first part of the first installation part, and the first part is positioned at the two ends of the battery cell and is in contact with the end part of the battery cell.
6. The battery pack structure of claim 5, wherein: the second mounting portion is located at an edge portion of the first portion.
7. A battery pack structure, comprising:
a housing;
the battery cell, the framework and the first circuit board are positioned in the shell and sequentially connected along the radial direction of the battery cell;
the framework extends outwards along the length direction of the axis of the battery cell to form a second mounting part;
the second mounting part is suitable for positioning, mounting and connecting a second circuit board;
the second circuit board is in communication connection with the first circuit board and at least comprises a wake-up switch;
the shell comprises an end cover corresponding to the second circuit board, a button is arranged at the position, corresponding to the awakening switch, of the end cover, and a convex column suitable for being in contact with the awakening switch is arranged on the inner side of the button.
8. The battery pack structure of claim 7, wherein: the button is adapted to be elastically deformed, and/or; the outer surface of the button is substantially flush with the outer surface of the end cap.
9. The battery pack structure of claim 7, wherein: the battery cell mounting structure comprises a battery cell and also comprises a first mounting part, wherein the first mounting part comprises first parts which are positioned at two ends of the battery cell and are in contact with the battery cell, and the first parts at least partially cover the end parts of the battery cell; and the second part is positioned on the edge side of the first circuit board and is in limit connection with the first circuit board, and the second part supports the first circuit board in limit connection so that the first circuit board and the body of the framework are arranged at intervals.
10. The battery pack structure of claim 9, wherein: the second installation part is arranged at the position of the first part of the first installation part and is in limit connection with the edge side of the second circuit board.
11. A battery pack structure, comprising:
the battery cell, the framework and the first circuit board are sequentially connected along the radial direction of the battery cell;
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 first mounting part;
the first installation part is suitable for respectively positioning, installing and connecting the battery cell and the first circuit board;
the framework further comprises an arc-shaped groove which is positioned between the first 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.
12. The battery pack structure of claim 11, wherein: the width of the arc-shaped groove is smaller than the outer diameter of the battery core.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011450838.2A CN112531270A (en) | 2020-12-10 | 2020-12-10 | Battery pack structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011450838.2A CN112531270A (en) | 2020-12-10 | 2020-12-10 | Battery pack structure |
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| CN112531270A true CN112531270A (en) | 2021-03-19 |
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| CN202011450838.2A Pending CN112531270A (en) | 2020-12-10 | 2020-12-10 | Battery pack structure |
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| CN202308120U (en) * | 2011-11-15 | 2012-07-04 | 深圳市博劲恒科技有限公司 | Lithium battery movable power supply integrating press button and panel |
| CN102522511A (en) * | 2011-12-02 | 2012-06-27 | 苏州冠硕新能源有限公司 | Battery system |
| CN103239191A (en) * | 2012-02-10 | 2013-08-14 | 戴森技术有限公司 | Vacuum cleaner |
| CN106384793A (en) * | 2016-09-30 | 2017-02-08 | 宁波艾森光电科技有限公司 | Battery case and walking stick applying same |
| CN108144899A (en) * | 2016-12-06 | 2018-06-12 | 苏州宝时得电动工具有限公司 | Handheld high-voltage cleaning machine |
| CN207504118U (en) * | 2017-11-03 | 2018-06-15 | 中能东道集团有限公司 | A kind of lithium ion battery structure |
| CN209357801U (en) * | 2019-03-28 | 2019-09-06 | 东莞市合中川电子科技有限公司 | A kind of power supply unit |
| CN110385681A (en) * | 2019-07-26 | 2019-10-29 | 苏州睿梵工业设计有限公司 | Portable electric tool and handheld appliance |
| CN210778715U (en) * | 2019-09-14 | 2020-06-16 | 浙江动一新能源动力科技股份有限公司 | Novel battery pack with good shock absorption and heat dissipation effects |
| CN210516818U (en) * | 2019-11-07 | 2020-05-12 | 南京德朔实业有限公司 | Battery pack and electric tool comprising same |
| CN111791194A (en) * | 2020-06-30 | 2020-10-20 | 浙江动一新能源动力科技股份有限公司 | Electric tool shell and electric tool |
| CN112006607A (en) * | 2020-09-01 | 2020-12-01 | 广东乐生智能科技有限公司 | Hand-held one-key dust pouring and sucking box |
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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. |