CN111933853A - Battery pack, chain battery and electronic equipment - Google Patents
Battery pack, chain battery and electronic equipment Download PDFInfo
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- CN111933853A CN111933853A CN202010820182.2A CN202010820182A CN111933853A CN 111933853 A CN111933853 A CN 111933853A CN 202010820182 A CN202010820182 A CN 202010820182A CN 111933853 A CN111933853 A CN 111933853A
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- battery
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- driving
- rocker
- battery pack
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E60/00—Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
- Y02E60/10—Energy storage using batteries
Abstract
The application discloses battery pack, chain battery and electronic equipment, battery pack includes: the battery comprises a battery body, a driving piece, a transmission piece, a rocker piece and a base; a first accommodating groove is formed in the first surface of the base, and the rocking bar piece is at least partially arranged in the first accommodating groove; the rocking bar piece with the driving piece passes through the driving medium is connected, the driving piece passes through the driving piece drives the rocking bar piece is in the first storage tank internal rotation, battery body with the driving piece electricity is connected, battery body be located the driving piece with between the base. Like this, because the driving piece can drive rocking bar spare through the driving medium and rotate, rotate to different positions through rocking bar spare to can realize whole battery pack's folding, improve the folding flexibility ratio of battery pack.
Description
Technical Field
The application belongs to the technical field of electronics, concretely relates to battery pack, chain battery and electronic equipment.
Background
With the development of electronic technology, flexible electronic devices are gradually becoming a development trend. The flexible electronic device requires that each device can be folded correspondingly with the form change of the electronic device.
In the prior art, the battery assembly is usually rigid, cannot be flexibly deformed along with the form change of the flexible electronic equipment, cannot be automatically folded, and is not beneficial to the intelligent development of the flexible electronic equipment.
Disclosure of Invention
An object of the embodiment of the application is to provide a battery pack, a chain battery and an electronic device, which can solve the problem that the battery pack cannot be flexibly folded.
In order to solve the technical problem, the present application is implemented as follows:
in a first aspect, an embodiment of the present application provides a battery assembly, including: the battery comprises a battery body, a driving piece, a transmission piece, a rocker piece and a base;
a first accommodating groove is formed in the first surface of the base, and the rocking bar piece is at least partially arranged in the first accommodating groove;
the rocking bar piece with the driving piece passes through the driving medium is connected, the driving piece passes through the driving piece drives the rocking bar piece is in the first storage tank internal rotation, battery body with the driving piece electricity is connected, battery body be located the driving piece with between the base.
In a second aspect, an embodiment of the present application provides a chain battery, including the first aspect battery pack the second of battery pack's base is seted up on the surface under the condition of the second storage tank, battery pack's quantity is at least two, at least two battery pack connects gradually, at least two that connect gradually among the battery pack, adjacent two battery pack passes through one battery pack rocker spare and another battery pack the second storage tank is connected.
In a third aspect, an embodiment of the present application provides an electronic device, which includes the battery assembly described in the first aspect, or includes the chain battery described in the second aspect.
In an embodiment of the present application, a battery assembly includes: the battery comprises a battery body, a driving piece, a transmission piece, a rocker piece and a base; a first accommodating groove is formed in the first surface of the base, and the rocking bar piece is at least partially arranged in the first accommodating groove; the rocking bar piece with the driving piece passes through the driving medium is connected, the driving piece passes through the driving piece drives the rocking bar piece is in the first storage tank internal rotation, battery body with the driving piece electricity is connected, battery body be located the driving piece with between the base. Therefore, the driving piece can drive the rocking bar piece to rotate through the driving piece, and the rocking bar piece rotates to different positions, so that the folding of the whole battery assembly can be realized; simultaneously, compare with manual folding mode, rotate through driving piece drive rocking bar spare to realize battery pack's automatic folding, and then realize the accurate control of flexible electronic equipment folding angle.
Drawings
Fig. 1 is a schematic structural diagram of a battery assembly according to an embodiment of the present disclosure;
fig. 2 is a second schematic structural diagram of a battery assembly according to an embodiment of the present disclosure;
fig. 3 is a schematic structural diagram of an electronic device according to an embodiment of the present disclosure;
fig. 4 is a schematic view of a connection structure of two adjacent battery assemblies in an electronic device according to an embodiment of the present disclosure;
fig. 5 is a second schematic view illustrating a connection structure of two adjacent battery assemblies in an electronic device according to an embodiment of the present disclosure;
fig. 6 is a third schematic view illustrating a connection structure of two adjacent battery assemblies in an electronic device according to an embodiment of the present disclosure;
fig. 7 is a second schematic structural diagram of an electronic device according to an embodiment of the present application.
Detailed Description
The technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application, and it is obvious that the described embodiments are some, but not all, embodiments of the present application. 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 application.
The terms first, second and the like in the description and in the claims of the present application are used for distinguishing between similar elements and not necessarily for describing a particular sequential or chronological order. It will be appreciated that the data so used may be interchanged under appropriate circumstances such that embodiments of the application may be practiced in sequences other than those illustrated or described herein, and that the terms "first," "second," and the like are generally used herein in a generic sense and do not limit the number of terms, e.g., the first term can be one or more than one. In addition, "and/or" in the specification and claims means at least one of connected objects, a character "/" generally means that a preceding and succeeding related objects are in an "or" relationship.
The battery pack, the chain type battery and the electronic device provided by the embodiments of the present application are described in detail below with reference to the accompanying drawings through specific embodiments and application scenarios thereof.
Referring to fig. 1 and 2, an embodiment of the present application provides a battery assembly 100, as shown in fig. 1 and 2, the battery assembly 100 includes: the battery comprises a battery body 10, a driving part 20, a transmission part 30, a rocker part 40 and a base 50;
a first accommodating groove 51 is formed in a first surface of the base 50, and the rocker member 40 is at least partially disposed in the first accommodating groove 51;
the rocking bar piece 40 and the driving piece 20 are connected through the transmission piece 30, the driving piece 20 drives the rocking bar piece 40 to rotate in the first accommodating groove 51 through the transmission piece 30, the battery body 10 is electrically connected with the driving piece 20, and the battery body 10 is located between the driving piece 20 and the base 50.
The working principle of the embodiment of the application can be referred to as the following expression:
because driving piece 20 can drive rocking bar piece 40 at the internal rotation of first storage tank 51 through driving medium 30, consequently, rocking bar piece 40 can be in different positions, and rocking bar piece 40 is in when different positions, the shape of whole battery pack 100 is also different, therefore battery pack 100 can produce folding effect along with rocking bar piece 40's rotation, and simultaneously, because battery body 10 is located between driving piece 20 and the base 50, like this, when driving piece 30 drives rocking bar piece 40 and rotates, also can drive battery body 10 and rotate, thereby make battery body 10's shape change, even make battery body 10 also produce folding effect. In addition, compared with the manual folding mode, the rocker member 40 is driven to rotate by the driving member 20, so that the folding of the battery assembly 100 is realized, and the accurate control of the folding angle of the battery assembly 100 can be enhanced.
The battery body 10 can also be referred to as a battery unit, and of course, the battery body 10 can be made of a flexible battery material, so that the battery body 10 has good flexibility, and when the transmission member 30 drives the rocker member 40 to rotate and further drives the battery body 10 to fold, the folding effect of the battery body 10 can be further enhanced.
The driving member 20 may include a motor, and the motor may be a stepping motor, so that the rocker member 40 is driven more accurately, and the rocker member 40 is driven more effectively. Of course, the above-mentioned motor may also be referred to as a stepper motor unit or an electric motor.
The specific type of the transmission member 30 is not limited herein, and for example: the transmission member 30 may be a transmission shaft, or the transmission member 30 may be a combination of a transmission gear and a transmission shaft, and of course, may also be a combination of a transmission gear set and a transmission shaft.
The specific shape of the rocker 40 is not limited herein, and for example: as an alternative embodiment, the rocker member 40 may include a first rocker portion 42 and a second rocker portion 41 that are fixedly connected, the first rocker portion 42 is disposed in the first accommodating groove 51, the second rocker portion 41 extends out of the first accommodating groove 51, a cross section of the first rocker portion 42 may be in a sector shape, a circular shape, or an oval shape, a cross section of the second rocker portion 41 may be in a rectangular shape, or a triangular shape, and the transmission member 30 may be connected to the second rocker portion 41 or the first rocker portion 42, so that, since the cross section of the first rocker portion 42 may be in a sector shape, a circular shape, or an oval shape, when the rocker member 40 rotates in the first accommodating groove 51, a friction force between the first rocker portion 42 and an inner wall of the first accommodating groove 51 is small, so that a rotation effect of the rocker member 40 is good.
In addition, the shape of the first receiving groove 51 may be adapted to the shape of the second rocker portion 41, so that the rocker member 40 rotates more smoothly in the first receiving groove 51, the resistance of the rocker member 40 during rotation is reduced, and the rotation effect is enhanced.
It should be noted that, as an alternative embodiment, the first rocker portion 42 and the second rocker portion 41 may be formed integrally, so that the connection strength of the entire rocker member 40 may be enhanced.
As another alternative, the rocker member 40 may be a cylindrical rocker member, and a first end of the rocker member 40 may be fixed to the bottom of the first receiving groove 51, and a second end of the rocker member 40 may be driven by the transmission member 30 to rotate around the first end as an axis.
The battery body 10 is electrically connected to the driving member 20, so that the battery body 10 can supply power to the driving member 20, and the driving member 20 can have sufficient electric quantity to drive the rocker member 40 to rotate, it should be noted that the battery body 10 can be a rechargeable battery, so that the battery body 10 can be repeatedly charged and recycled, and the use cost is reduced.
As an alternative embodiment, referring to fig. 1, a first through hole 52 is formed on the base 50, and the transmission member 30 passes through the first through hole 52 to be connected to the rocker member 40. Therefore, the transmission piece 30 can be limited, and meanwhile, the transmission piece 30, the base 50 and the rocker piece 40 can be connected into a whole, so that the connection effect of the transmission piece 30, the base 50 and the rocker piece 40 is enhanced.
The shape of the cross section of the first through hole 52 can be adapted to the shape of the cross section of the transmission piece 30, for example: the cross section of the transmission member 30 can be circular, and the cross section of the first through hole 52 can also be circular; the cross-section of the transmission member 30 may be rectangular, and the cross-section of the first through-hole 52 may also be rectangular. Of course, the shape of the cross section of the first through opening 52 may or may not be adapted to the shape of the cross section of the transmission piece 30, for example: the cross-sectional shape of the first through-hole 52 may be rectangular, and the cross-sectional shape of the transmission member 30 may be circular.
The specific structure of the base 50 is not limited herein, for example: as an alternative embodiment, the base 50 may be provided with a first plate 53 and a second plate 54 which are oppositely disposed, the first plate 53 is located between the battery body 10 and the second plate 54, the first through hole 52 is opened on the first plate 53, a first gap between the first plate 53 and the second plate 54 is communicated with the first accommodating groove 51, and the rocker member 40 may be at least partially disposed in the first gap and the first accommodating groove 51 and may rotate in the first gap and the first accommodating groove 51 under the driving of the transmission member 30.
It should be noted that the base 50, the first plate 53 and the second plate 54 may be an integral structure, so that the connection strength of the base 50, the first plate 53 and the second plate 54 may be enhanced.
As an alternative embodiment, referring to fig. 1, a second through hole 11 is formed in the battery body 10, and the transmission member 30 sequentially passes through the second through hole 11 and the first through hole 52 to be connected to the rocker member 40. Thus, the transmission member 30 can sequentially pass through the second through hole 11 and the first through hole 52 to be connected with the rocker member 40, that is, the transmission member 30 connects the battery body 10, the base 50 and the rocker member 40 into a whole, so that the connection strength and the integrity among the above parts are enhanced; meanwhile, the transmission member 30 can drive the battery body 10 and the rocker member 40 to rotate, so that the battery body 10 can deform, and the folding effect of the battery body 10 is enhanced.
The size and shape of the second through hole 11 and the first through hole 52 may be adapted, and certainly, may not be adapted, and is not limited herein.
As another optional embodiment, the battery body 10 may also be provided with a third receiving groove, and the transmission member 30 may be embedded in the third receiving groove and connected to the rocker member 40, so as to achieve the purpose of connecting the battery body 10, the base 50 and the rocker member 40, and meanwhile, enhance the efficiency of detaching or installing the transmission member 30 from the battery body 10.
In addition, in order to enhance the efficiency of removing and installing the entire battery assembly 100, as an alternative embodiment, the transmission member 30 is detachably connected to at least one of the driving member 20 and the rocker member 40. Thus, when the transmission member 30, the driving member 20 or the rocker member 40 is out of order, maintenance or replacement can be performed in time, so that maintenance efficiency and replacement efficiency are improved, and meanwhile, disassembly efficiency and installation efficiency are also improved.
Of course, the specific manner of detachably connecting the transmission member 30 to at least one of the driving member 20 and the rocker member 40 is not limited herein, for example: the driving member 20 may be provided with a first mounting portion, the rocker member 40 may be provided with a second mounting portion, and the transmission member 30 may be detachably connected to the first mounting portion and the second mounting portion, respectively.
Above-mentioned first installation department and second installation department can be the blind hole, and the both ends of driving medium 30 are inlayed respectively and are located in the blind hole, and of course, the shape of blind hole can be with the shape looks adaptation at the both ends of driving medium 30, for example: the shape of the blind hole and the shape of both ends of the transmission member 30 are rectangular.
In addition, the first installation part and the second installation part can both comprise a protruding part and a transmission gear, the transmission gear is sleeved on the protruding part, gears are arranged at two ends of the transmission part 30, and the gears can be meshed with the transmission gear, so that transmission is achieved.
As an optional implementation manner, a second receiving groove 55 is formed on a second surface of the base 50, and the second receiving groove 55 is adapted to the rocker member 40. In this way, the rocker member 40 of each battery assembly 100 can be connected with the second receiving groove 55 of another battery assembly 100, so that the plurality of battery assemblies 100 can be cascaded, and the connection strength between the plurality of battery assemblies 100 is good.
As an alternative embodiment, referring to fig. 1 and 2, the battery assembly 100 further includes a bracket 60, and the driving member 20 is disposed on the bracket 60. In this way, the supporting effect on the driver 20 can be enhanced. It should be noted that the driving member 20 can be fixedly connected or detachably connected to the bracket 60.
The specific structure of the bracket 60 is not limited herein, and as an alternative embodiment, the bracket 60 may be a housing including a receiving cavity. And the driving member 20 may be disposed on an outer surface of the bracket 60, so that the supporting effect of the driving member 20 may be enhanced.
In addition, as an optional embodiment, a detection component is further disposed in the bracket 60, and the detection component is used for detecting the temperature and/or the electric quantity of the battery body 10. Thus, the battery body 10 can be monitored in real time through the detection component, and the detection effect on the battery body 10 is enhanced.
The detecting component may include a temperature sensor, an electricity meter, and the like.
Of course, when the bracket 60 is a casing including the accommodating cavity, the detection component may be disposed in the accommodating cavity, so that the casing may protect the detection component, thereby achieving the waterproof and dustproof effects.
Of course, the accommodating cavity may also be provided with a controller, and the controller may be electrically connected to the driving member 20, so that the driving member 20 may be precisely controlled by the controller, thereby precisely controlling the movement position of the rocker member 40 and enhancing the driving effect of the rocker member 40.
Optionally, referring to fig. 3 to 7, an embodiment of the present application further provides a chain battery, including the above battery assembly 100, where under the condition that a second receiving groove 55 is formed on a second surface of a base 50 of the battery assembly 100, the number of the battery assemblies 100 is at least two, at least two of the battery assemblies 100 are sequentially connected, and in at least two of the battery assemblies 100 that are sequentially connected, two adjacent battery assemblies 100 are connected to the second receiving groove 55 of another battery assembly through the rocker 40 of one battery assembly 100.
In this way, the plurality of battery packs 100 may form a chain battery, that is, the plurality of battery packs 100 may be cascaded, and the chain battery may supply power to other components, thereby enhancing the power supply amount, and simultaneously, the chain battery may be transformed into various shapes, thereby enhancing the user experience.
For example: the maximum variable angle of the rocker member 40 of each battery assembly 100 can be plus or minus 90 degrees, and the maximum overall variable angle of the chain battery obtained by cascading 40 battery assemblies 100 can reach plus or minus 3600 degrees. Therefore, various shape changes can be realized, and the user experience is enhanced. Meanwhile, the plurality of battery packs 100 included in the chain battery may supply power to a certain component, so that the power supply effect to the component may be enhanced.
Optionally, referring to fig. 3 to 7, an electronic device including the battery assembly 100 or including the chain battery is further provided in an embodiment of the present application. Since the electronic device provided in the embodiment of the present application includes the battery assembly 100 or includes the chain battery, the electronic device has the same beneficial technical effects as the battery assembly 100 and the chain battery, and the structures of the battery assembly 100 and the chain battery can be referred to the corresponding expressions in the embodiments, and are not described herein again.
As an alternative embodiment, referring to fig. 3 and 7, the electronic device further includes a connecting member 200, a control member 300, and a flexible screen 400, wherein the driving member 20 of each battery assembly 100 is electrically connected to the control member 300 through the connecting member 200, and the rocker member 40 of each battery assembly is connected to the flexible screen 400. In this way, the flexible screen 400 can be folded under the rotation of the rocker member 40 of each battery pack; meanwhile, since the control member 300 may store a control program, each battery assembly may be controlled to rotate at different angles, and the flexible screen 400 may take on a specific curved surface shape due to an angle difference (also referred to as a position difference) between different battery assemblies.
Fig. 5 and 6 may be understood as schematic views of connection structures of two adjacent battery modules, and fig. 7 may be understood as a top view of the entire electronic device.
In addition, the electronic device may further be provided with a voice detection component, and the voice detection component may detect voice input of a user, so that the flexible screen 400 of the electronic device may be controlled to present a specific curved surface shape through voice information; of course, a user's gesture input to the flexible screen 400 may also be detected, thereby causing the flexible screen 400 to assume a particular curved shape. The specific curved surface shape can correspond to different voice messages and different gestures.
In addition, the control component 300 can also control the plurality of battery components to rotate in sequence, so that the movement mode of the bionic worm can be presented.
In addition, the electronic device may further implement an arm winding wearing function, and the implementation steps may be as follows: the electronic device can be provided with a distance sensor (the distance sensor can comprise a capacitance sensor or a pressure sensor), when the distance sensor detects that the arm of the human body approaches the electronic device, the driving part 20 in the battery assembly closest to the human body drives the rocking bar part 40 of the battery assembly to rotate, and meanwhile, the rocking bar parts 40 in other battery assemblies rotate in sequence, so that the shape of the electronic device can be controlled to be annular, and the annular electronic device can be sleeved on the arm of the human body; then, the position or the rotation angle of the rocker 40 in each battery assembly can be adjusted through the detection data of the pressure sensor, so that the electronic equipment is more comfortable when a human body wears the electronic equipment.
In addition, the electronic device may further be provided with a camera module, and the purpose that the camera module tracks the specific part of the user may be achieved through the plurality of battery assemblies in this embodiment, for example: when the user is moving continuously, the rocker members 40 in the plurality of battery assemblies can rotate continuously, so that the position and the angle of the camera module are also moving continuously, the camera module can acquire images of specific parts (such as human faces) of the user all the time, and the purpose of dynamically tracking the user is achieved.
The connection 200 may be a connection bus, and the connection 200 may also be referred to as a connector. The control member 300 may be referred to as a control chip.
The electronic device may further include a middle frame, the battery assembly, the connecting member 200, and the control member 300 are all embedded in the middle frame, and the flexible screen 400 may abut against an edge of a first side of the middle frame, so that the flexible screen 400 may close an opening of the first side of the middle frame; of course, the edge of the second volume of the middle frame may also abut against a flexible screen 400, and the flexible screen 400 may also close the opening on the second side of the middle frame, so that the electronic device may have a double-sided display screen, thereby increasing the display area of the electronic device and simultaneously enhancing the connection strength of the whole electronic device.
As an alternative embodiment, both ends of the driving member 20 of each battery module are respectively connected to a rocker member 40 through a transmission member 30. Thus, each driving member 20 can drive the two rocker members 40 to rotate simultaneously, i.e. the two rocker members 40 can move synchronously, thereby enhancing the rotating effect.
In addition, referring to fig. 7, in the electronic device in the embodiment of the present application, since both ends of the driving member 20 of each battery module are connected to a rocker member 40 through a transmission member 30, the connection in the X direction is achieved; and any two adjacent battery packs are connected with the second accommodating groove 55 through the rocker member 40, so that the connection in the Y direction is realized, and meanwhile, the X direction and the Y direction can be vertical, so that the positioning and limiting effects can be realized in the X direction and the Y direction. In addition, since the rocker member 40 of each battery assembly can rotate in the first receiving groove 51 of the corresponding base 50, and the range of the rotation angle and the position is large, the degree of freedom thereof is large.
While the present embodiments have been described with reference to the accompanying drawings, it is to be understood that the invention is not limited to the precise embodiments described above, which are meant to be illustrative and not restrictive, and that various changes may be made therein by those skilled in the art without departing from the spirit and scope of the invention as defined by the appended claims.
Claims (11)
1. A battery assembly, comprising: the battery comprises a battery body, a driving piece, a transmission piece, a rocker piece and a base;
a first accommodating groove is formed in the first surface of the base, and the rocking bar piece is at least partially arranged in the first accommodating groove;
the rocking bar piece with the driving piece passes through the driving medium is connected, the driving piece passes through the driving piece drives the rocking bar piece is in the first storage tank internal rotation, battery body with the driving piece electricity is connected, battery body be located the driving piece with between the base.
2. The battery pack of claim 1, wherein the base defines a first through hole, and the transmission member passes through the first through hole and is coupled to the rocker member.
3. The battery pack of claim 2, wherein the battery body is provided with a second through hole, and the transmission member sequentially passes through the second through hole and the first through hole to be connected with the rocker member.
4. The battery assembly of claim 1, wherein the transmission is removably connected to at least one of the drive member and the rocker member.
5. The battery pack of claim 1, wherein the second surface of the base defines a second receiving groove, and the second receiving groove is adapted to the rocker member.
6. The battery assembly of claim 1, further comprising a bracket, wherein the driving member is disposed on the bracket.
7. The battery pack according to claim 6, wherein a detection member is further disposed in the holder, and the detection member is configured to detect a temperature and/or an electric quantity of the battery body.
8. A chain battery comprising at least two battery packs according to any one of claims 1 to 7, wherein the battery packs are connected in series, and when a second receiving groove is formed in a second surface of a base of the battery pack, two adjacent battery packs are connected to the second receiving groove of another battery pack via the rocker member of one battery pack.
9. An electronic device comprising the battery pack according to any one of claims 1 to 7 or the chain battery according to claim 8.
10. The electronic device of claim 9, further comprising a connector, a control member, and a flexible screen, wherein the driver of each battery assembly is electrically connected to the control member via the connector, and wherein the rocker member of each battery assembly is connected to the flexible screen.
11. The electronic device of claim 10, wherein the driving member of each battery module is connected at both ends thereof to a rocker member via a transmission member.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010820182.2A CN111933853B (en) | 2020-08-14 | 2020-08-14 | Battery pack, chain battery and electronic equipment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010820182.2A CN111933853B (en) | 2020-08-14 | 2020-08-14 | Battery pack, chain battery and electronic equipment |
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| CN111933853A true CN111933853A (en) | 2020-11-13 |
| CN111933853B CN111933853B (en) | 2023-04-07 |
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| CN202010820182.2A Active CN111933853B (en) | 2020-08-14 | 2020-08-14 | Battery pack, chain battery and electronic equipment |
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| CN101194381A (en) * | 2005-07-21 | 2008-06-04 | 株式会社Lg化学 | Foldable battery cartridge and middle or large-sized battery module |
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| Publication number | Publication date |
|---|---|
| CN111933853B (en) | 2023-04-07 |
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