CN205429057U - Secondary battery - Google Patents
Secondary battery Download PDFInfo
- Publication number
- CN205429057U CN205429057U CN201620204163.6U CN201620204163U CN205429057U CN 205429057 U CN205429057 U CN 205429057U CN 201620204163 U CN201620204163 U CN 201620204163U CN 205429057 U CN205429057 U CN 205429057U
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- China
- Prior art keywords
- connecting portion
- fpc plate
- secondary cell
- kink
- host cavity
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E60/00—Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
- Y02E60/10—Energy storage using batteries
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- Sealing Battery Cases Or Jackets (AREA)
Abstract
The utility model provides a secondary battery, it includes battery package, FPC board, switching piece and output terminal. Battery package is including packaging film and at least one naked electric core, and naked electric core has the utmost point ear in the closedtop district of stretching out the packaging film. The FPC inboard is equipped with the circuit, includes: first connecting portion, first kink, transition portion, second kink and second connecting portion. Switching piece electricity is connected in the circuit of FPC board and the corresponding utmost point ear in closedtop district. Output terminal sets up in the outside of second connecting portion on length direction of FPC board to be connected and supply with the circuit electricity of FPC board and be connected with outside electric device electricity, thereby make output terminal be located secondary battery's top surface, and then realized the output of secondary battery at the top surface. And the first connecting portion that make the FPC board through this kind of flexibility of utilizing the FPC board to buckle are in the closedtop district of packaging film to the closedtop of make full use of secondary battery's packaging film is distinguished, has promoted secondary battery's capacity.
Description
Technical field
This utility model relates to field of batteries, particularly relates to a kind of secondary cell.
Background technology
Conventional external battery, gauge is limited when, limits the width of FPC plate, causes FPC plate cannot put down all components and parts.If putting down all components and parts, then FPC plate namely cannot cannot realize, with end face at the same face, the demand that terminal exports at end face.
Utility model content
In view of problem present in background technology, a purpose of the present utility model is to provide a kind of secondary cell, and it can realize the output of end face at secondary cell by FPC plate.
Another purpose of the present utility model is to provide a kind of secondary cell, and it can make full use of the closedtop district of packaging film of secondary cell, improves the capacity of secondary cell.
To achieve these goals, this utility model provides a kind of secondary cell, and it includes battery bag, FPC plate, switching piece and lead-out terminal.
Battery bag includes packaging film and is encapsulated in the naked battery core of at least one in packaging film, and naked battery core has the lug in the closedtop district stretching out packaging film, and closedtop district top surface in a thickness direction is less than the upper surface of packaging film.
It is provided with circuit in FPC plate, is placed on closedtop district top surface in a thickness direction, including: the first connecting portion, extend in the width direction；First kink, is folded upward at from the first connecting portion one end through-thickness in the direction of the width；Transition part, is connected to the first kink, and extends so that transition part, the first kink and the first connecting portion form horizontal U-shaped in the width direction, and transition part through-thickness is positioned at the top of the first connecting portion；Second kink, is connected to transition part outside in the longitudinal direction and bends downwards from transition part through-thickness；And second connecting portion, it is connected to the second kink, and extends in the width direction so that the second connecting portion, the second kink and transition part form inverted L-shaped, and the second connecting portion is in the first connecting portion outside in the longitudinal direction；
Switching piece through-thickness is arranged between the described top surface in closedtop district and FPC plate, is electrically connected to the circuit of FPC plate and the corresponding lug in closedtop district.
Lead-out terminal is arranged at the second connecting portion of FPC plate outside in the longitudinal direction, and electrically connects with the circuit of FPC plate and for electrically connecting with external electrical device.
The beneficial effects of the utility model are as follows:
According in secondary cell of the present utility model, the lug in closedtop district of battery bag, the circuit of FPC plate, switching piece, lead-out terminal and external electrical device form electrical connection loop.Wherein, first connecting portion of FPC plate extends in the width direction, and the second connecting portion of FPC plate is positioned at the outside in the longitudinal direction of the first connecting portion via the bending of the first kink and the second kink, so that the lead-out terminal being electrically connected to the second connecting portion of FPC plate is positioned at the end face of secondary cell, and then achieve the secondary cell output at end face.Further, made by this flexibility utilizing FPC plate to bend the first connecting portion of FPC plate be in the closedtop district of packaging film, thus make full use of the closedtop district of the packaging film of secondary cell, improve the capacity of secondary cell.
Accompanying drawing explanation
Fig. 1 is the overall schematic of the assembled part according to secondary cell of the present utility model and unassembled part；
Fig. 2 is the exploded view of the assembled part of the secondary cell in Fig. 1；
Fig. 3 is the partial sectional view of the assembled part of the secondary cell in Fig. 1；
Fig. 4 is enlarged partial isometric view when seeing from the bottom up of the encircled portion in Fig. 1；
Fig. 5 is the enlarged partial isometric view of the inside of the glue frame in Fig. 1；
Fig. 6 is the schematic diagram before FPC plate does not bends；
Fig. 7 A to Fig. 7 D is the bending process schematic of FPC plate.
Wherein, description of reference numerals is as follows:
1 battery bag 521 draw-in groove
11 packaging film 522 hot molten columns
111 closedtop district 6 stiffening plates
12 naked battery core 61 perforates
121 lug 7 insulation protection parts
2FPC plate 71 first host cavity
The 21 first outer lower surfaces of connecting portion 711
22 first kink 72 second host cavities
The 23 outer upper surfaces of transition part 721
24 second kink 73 adapter cavities
25 second connecting portion 8 reinforcing plates
251 buckles 9 fill moulding
252 hot melt hole T thickness directions
3 switching piece L length directions
4 lead-out terminal W widths
5 glue frame S double faced adhesive tapes
51 main opening P labelings
52 holding parts
Detailed description of the invention
Describe in detail with reference to the accompanying drawings according to secondary cell of the present utility model.
Referring to figs. 1 through Fig. 6 and Fig. 7 A to Fig. 7 D, include battery bag 1, FPC plate 2, switching piece 3 and lead-out terminal 4 according to secondary cell of the present utility model.
Battery bag 1 includes packaging film 11 and at least one the naked battery core 12 being encapsulated in packaging film 11, and naked battery core 12 has the lug 121 in the closedtop district 111 stretching out packaging film 11, and closedtop district 111 top surface in the thickness directiont is less than the upper surface of packaging film 11.
It is provided with circuit (not shown) in FPC plate 2, is placed on closedtop district 111 top surface in the thickness directiont, including: the first connecting portion 21, W extends in the width direction；First kink 22, is folded upward at from first connecting portion 21 one end through-thickness T on width W；Transition part 23, is connected to the first kink 22, and W extends so that transition part the 23, first kink 22 and the first connecting portion 21 form horizontal U-shaped in the width direction, and transition part 23 through-thickness T is positioned at the top of the first connecting portion 21；Second kink 24, is connected to transition part 23 outside in the length directionl and bends downwards from transition part 23 through-thickness T；And second connecting portion 25, it is connected to the second kink 24, and W extends so that second connecting portion the 25, second kink 24 and transition part 23 form inverted L-shaped in the width direction, and the second connecting portion 25 is positioned at the first connecting portion 21 outside in the length directionl；
Switching piece 3 through-thickness T is arranged between the described top surface in closedtop district 111 and FPC plate 2, is electrically connected to the circuit of FPC plate 2 and the corresponding lug 121 in closedtop district 111.
Lead-out terminal 4 is arranged at the second connecting portion 25 of FPC plate 2 outside in the length directionl, and electrically connects with the circuit of FPC plate 2 and for electrically connecting with external electrical device (not shown).
According in secondary cell of the present utility model, the lug 121 in the closedtop district 111 of battery bag 1, the circuit of FPC plate 2, switching piece 3, lead-out terminal 4 and external electrical device form electrical connection loop.Wherein, first connecting portion 21 W in the width direction of FPC plate 2 extends, and the second connecting portion 25 of FPC plate 2 is positioned at the outside in the length directionl of the first connecting portion 21 via the bending of the first kink 22 and the second kink 24, so that the lead-out terminal 4 being electrically connected to the second connecting portion 25 of FPC plate 2 is positioned at the end face of secondary cell, and then achieve the secondary cell output at end face.Further, made by this flexibility utilizing FPC plate 2 to bend the first connecting portion 21 of FPC plate 2 be in the closedtop district of packaging film, thus make full use of the closedtop district of the packaging film of secondary cell, improve the capacity of secondary cell.
According to secondary cell of the present utility model, in one embodiment, with reference to Fig. 1, described secondary cell also includes: glue frame 5.Glue frame 5 has: main opening 51, houses and the part in addition to the closedtop district 111 of battery bag 1 of self-contained battery bag 1；And holding part 52, it is positioned at the top of the L along its length of glue frame 5, housing FPC plate 2, the closedtop district 111 of battery bag 1, FPC plate 2 and switching piece 3, the through hole with the through glue frame of L along its length 5 stretches out for lead-out terminal 4, and then lead-out terminal 4 electrically connects with external electrical device.
In one embodiment, glue frame 5 is provided with buckle (not shown)；Second connecting portion 25 of FPC plate 2 is provided with draw-in groove (not shown), so that the snapping connection of FPC plate 2 and glue frame 5.
In one embodiment, with reference to Fig. 5, the holding part 52 of glue frame 5 is provided with draw-in groove 521 through for through-thickness T；Second connecting portion 25 of FPC plate 2 is provided with the buckle 251 that the draw-in groove 521 with glue frame 5 snaps connection, so that FPC plate 2 is fixed together with glue frame 5.
In one embodiment, with reference to Fig. 5, the hot molten column 522 that L extends along its length in the holding part 52 of glue frame 5, it is provided with；Second connecting portion 25 of FPC plate 2 has hot melt hole 252 through for L along its length, and hot melt hole 252 wears and make hot molten column 522 hot melt to be fixed in hot melt hole 252, so that FPC plate 2 is fixed together with glue frame 5 for hot molten column 522.
In one embodiment, with reference to Fig. 2, described secondary cell also includes: stiffening plate 6, L is arranged between the first connecting portion 21 and second connecting portion 25 of FPC plate 2 and is connected to the second connecting portion 25 of FPC plate 2 along its length, and it being provided with the through perforate 61 corresponding with hot melt hole 252 of L along its length, perforate 61 wears and makes hot molten column 522 hot melt to be fixed in perforate 61 for hot molten column 522.
In one embodiment, the holding part 52 of glue frame 5 is provided with hot melt hole (not shown) through for L along its length；Second connecting portion 25 of FPC plate 2 has hot molten column (not shown), and hot molten column wears and hot melt is fixed in hot melt hole, so that FPC plate 2 is fixed together with glue frame 5.
In one embodiment, with reference to Fig. 5, the shape of hot molten column 522 can be cuboid, and the shape in hot melt hole 252 can be rectangle.In supplementary notes, due to the very thin thickness of battery bag 1, limiting the height of glue frame 5, therefore we make full use of the space of the length direction of glue frame 5, and hot molten column 522 is designed to cuboid.The most not only limit is so, and the shape of hot molten column 522 suitably can change according to the concrete height of glue frame 5, length dimension, and correspondingly the shape in hot melt hole 252 shape based on hot molten column 522 also can suitably change.
In one embodiment, with reference to Fig. 3, the lug 121 in the closedtop district 111 stretching out packaging film 11 bends to closedtop district 111, to form horizontal U-shaped.Referring to figs. 1 through Fig. 3, described secondary cell also includes: insulation protection part 7.Insulation protection part 7 is contained in the holding part 52 of glue frame 5, has: the first host cavity 71, houses the first connecting portion 21, switching piece 3 and the part for lug 121 of FPC plate 2；Second host cavity 72, houses naked battery core 12 and stretches out the part of lug 121 in closedtop district 111 and the closedtop district 111 of packaging film 11 of packaging film 11；And adapter cavity 73, so that first host cavity the 71, second host cavity 72 and adapter cavity 73 form the U-shaped of level between the first host cavity 71 and the second host cavity 72, adapter cavity 73 houses naked battery core 12 and stretches out the closedtop district 111 of packaging film 11 and be in the part between the first host cavity 71 and the second host cavity 72.
First kink 22 of FPC plate 2, transition part the 23, second kink 24, transition part the 23, second connecting portion 25 are positioned at outside insulation protection part 7, and outside the end of the first kink 22 of FPC plate 2 length direction L of being positioned at the first host cavity 71 and the transition part 23 through-thickness T of FPC plate 2 is positioned at the top of the first host cavity 71, the second kink 24 of FPC plate 2 bends downwards along the outer turning through-thickness T of the first host cavity 71 and the second connecting portion 25 of FPC plate 2 is positioned at the outside of length direction L of insulation protection part 7.
In one embodiment, referring to figs. 1 through Fig. 3, first host cavity the 71, second host cavity 72 of insulation protection part 7 and adapter cavity 73 can be one-body molded.
In one embodiment, insulation protection part 7 can be Mylar insulating trip.In this utility model, Mylar insulating trip is processed to required shape, carries out insulation protection with the different ingredients to FPC plate 2.
In one embodiment, with reference to Fig. 3, the first host cavity 71 has outer lower surface 711；Second host cavity 72 has outer upper surface 721.With reference to Fig. 1 and Fig. 3, described secondary cell also includes: double faced adhesive tape S, is pasted onto between outer lower surface 711 and the outer upper surface 721 of the second host cavity 72 of the first host cavity 71.
In one embodiment, seeing figures.1.and.2, secondary cell also includes: reinforcing plate 8, and W extends in the width direction, is clamped between the first connecting portion 21 and transition part 23, and is contained in the first host cavity 71.Here remark additionally, the thickness of reinforcing plate 8 thickness based on battery bag 1 and restricted.Therefore, in actual production, the thickness of reinforcing plate 8 needs to carry out appropriately designed according to the concrete thickness of battery bag 1.It is possible to prevent FPC plate 2 to be deformed additionally, arrange reinforcing plate 8, thus avoids the electronic devices and components on FPC plate 2 impaired.
In one embodiment, reinforcing plate 8 can be steel plate.But not only so, reinforcing plate 8 also can use other material to make to limit, as long as ensureing that reinforcing plate 8 has enough rigidity and intensity.
In one embodiment, with reference to Fig. 1, secondary cell also includes: labeling P, parcel glue frame 5 and battery bag 1.
In one embodiment, with reference to Fig. 1, secondary cell also includes: filling moulding 9, integrated injection molding, between glue frame 5, battery bag 1, fills with the gap by glue frame 5 and battery bag 1 and make glue frame 5 and battery bag 1 to be integrally forming.
In one embodiment, the first kink 22 and second kink 24 of FPC plate 2 bends front through softening process.
Claims (10)
1. a secondary cell, including battery bag (1), described battery bag (1) includes packaging film (11) and at least one the naked battery core (12) being encapsulated in packaging film (11), naked battery core (12) has the lug (121) in the closedtop district (111) stretching out packaging film (11), the closedtop district (111) top surface on thickness direction (T) is less than the upper surface of packaging film (11), it is characterized in that, described secondary cell also includes:
FPC plate (2), is inside provided with circuit, is placed on the closedtop district (111) top surface on thickness direction (T), including:
First connecting portion (21), (W) extends in the width direction；
First kink (22), is folded upward at from the first connecting portion (21) one end through-thickness (T) on width (W)；
Transition part (23), it is connected to the first kink (22), and (W) extends so that transition part (23), the first kink (22) and the first connecting portion (21) form horizontal U-shaped in the width direction, and transition part (23) through-thickness (T) is positioned at the top of the first connecting portion (21)；
Second kink (24), is connected to the transition part (23) outside on length direction (L) and bends downwards from transition part (23) through-thickness (T)；And
Second connecting portion (25), it is connected to the second kink (24), and (W) extends so that the second connecting portion (25), the second kink (24) and transition part (23) form inverted L-shaped in the width direction, and the second connecting portion (25) is positioned at the first connecting portion (21) outside on length direction (L)；
Switching piece (3), through-thickness (T) is arranged between the described top surface in closedtop district (111) and FPC plate (2), is electrically connected to the circuit of FPC plate (2) and the corresponding lug (121) of closedtop district (111)；
Lead-out terminal (4), is arranged at second connecting portion (25) of FPC plate (2) outside on length direction (L), and electrically connects with the circuit of FPC plate (2) and for electrically connecting with external electrical device.
Secondary cell the most according to claim 1, it is characterised in that described secondary cell also includes:
Glue frame (5), has:
Main opening (51), houses and the part in addition to the closedtop district (111) of battery bag (1) of self-contained battery bag (1)；And
Holding part (52), it is positioned at the top of (L) along its length of glue frame (5), house FPC plate (2), the closedtop district (111) of battery bag (1), FPC plate (2) and switching piece (3), the through hole with (L) through glue frame (5) along its length stretches out for lead-out terminal (4), and then lead-out terminal (4) electrically connects with external electrical device.
Secondary cell the most according to claim 2, it is characterised in that
The holding part (52) of glue frame (5) is provided with the draw-in groove (521) that through-thickness (T) is through；
Second connecting portion (25) of FPC plate (2) is provided with the buckle (251) that the draw-in groove (521) with glue frame (5) snaps connection.
Secondary cell the most according to claim 2, it is characterised in that
The hot molten column (522) that (L) extends it is provided with along its length in the holding part (52) of glue frame (5)；
Second connecting portion (25) of FPC plate (2) has along its length the hot melt hole (252) that (L) is through, hot melt hole (252) wears and makes hot molten column (522) hot melt to be fixed in hot melt hole (252), so that FPC plate (2) is fixed together with glue frame (5) for hot molten column (522).
Battery the most according to claim 4, it is characterised in that described secondary cell also includes:
Stiffening plate (6), (L) is arranged between first connecting portion (21) of FPC plate (2) and the second connecting portion (25) and is connected to second connecting portion (25) of FPC plate (2) along its length, and it being provided with the perforate (61) corresponding with hot melt hole (252) that (L) along its length is through, perforate (61) wears and makes hot molten column (522) hot melt to be fixed in perforate (61) for hot molten column (522).
Secondary cell the most according to claim 2, it is characterised in that
The lug (121) in the closedtop district (111) stretching out packaging film (11) bends to closedtop district (111), to form horizontal U-shaped；
Described secondary cell also includes:
Insulation protection part (7), is contained in the holding part (52) of glue frame (5), has:
First host cavity (71), houses the first connecting portion (21), switching piece (3) and the part for lug (121) of FPC plate (2)；
Second host cavity (72), houses naked battery core (12) and stretches out the part of lug (121) in closedtop district (111) and the closedtop district (111) of packaging film (11) of packaging film (11)；And
Adapter cavity (73), being positioned between the first host cavity (71) and the second host cavity (72) so that the first host cavity (71), the second host cavity (72) and adapter cavity (73) form the U-shaped of level, adapter cavity (73) houses naked battery core (12) and stretches out the closedtop district (111) of packaging film (11) and be in the part between the first host cavity (71) and the second host cavity (72)；
First kink (22) of FPC plate (2), transition part (23), second kink (24), transition part (23), second connecting portion (25) is positioned at insulation protection part (7) outward, and first kink (22) of FPC plate (2) is positioned at outside the end of length direction (L) of the first host cavity (71), and transition part (23) through-thickness (T) of FPC plate (2) is positioned at the top of the first host cavity (71), second kink (24) of FPC plate (2) is positioned at the outside of the length direction (L) of insulation protection part (7) along the downward bending in outer turning through-thickness (T) of the first host cavity (71) and second connecting portion (25) of FPC plate (2).
Secondary cell the most according to claim 6, it is characterised in that insulation protection part (7) is Mylar insulating trip.
Secondary cell the most according to claim 6, it is characterised in that
First host cavity (71) has outer lower surface (711)；
Second host cavity (72) has outer upper surface (721)；
Described secondary cell also includes:
Double faced adhesive tape (S), is pasted onto between the outer lower surface (711) of the first host cavity (71) and the outer upper surface (721) of the second host cavity (72).
Secondary cell the most according to claim 6, it is characterised in that secondary cell also includes:
Reinforcing plate (8), (W) extends in the width direction, is clamped between the first connecting portion (21) and transition part (23), and is contained in the first host cavity (71).
Secondary cell the most according to claim 1, it is characterised in that process through softening before first kink (22) of FPC plate (2) and the second kink (24) bending.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620204163.6U CN205429057U (en) | 2016-03-16 | 2016-03-16 | Secondary battery |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620204163.6U CN205429057U (en) | 2016-03-16 | 2016-03-16 | Secondary battery |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205429057U true CN205429057U (en) | 2016-08-03 |
Family
ID=56546222
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620204163.6U Active CN205429057U (en) | 2016-03-16 | 2016-03-16 | Secondary battery |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205429057U (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108123074A (en) * | 2016-11-30 | 2018-06-05 | 北京小米移动软件有限公司 | Core strueture and battery structure, electronic equipment |
| CN112952218A (en) * | 2019-11-26 | 2021-06-11 | 东莞新能德科技有限公司 | Battery, method for manufacturing battery, electronic device, and method for testing battery |
| CN114361737A (en) * | 2020-09-29 | 2022-04-15 | 宁德新能源科技有限公司 | Battery and electronic device using same |
| CN114747070A (en) * | 2020-06-30 | 2022-07-12 | 东莞新能德科技有限公司 | Battery, battery pack, and electronic device |
-
2016
- 2016-03-16 CN CN201620204163.6U patent/CN205429057U/en active Active
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108123074A (en) * | 2016-11-30 | 2018-06-05 | 北京小米移动软件有限公司 | Core strueture and battery structure, electronic equipment |
| CN112952218A (en) * | 2019-11-26 | 2021-06-11 | 东莞新能德科技有限公司 | Battery, method for manufacturing battery, electronic device, and method for testing battery |
| CN114747070A (en) * | 2020-06-30 | 2022-07-12 | 东莞新能德科技有限公司 | Battery, battery pack, and electronic device |
| CN114747070B (en) * | 2020-06-30 | 2024-03-19 | 东莞新能德科技有限公司 | Battery, battery assembly, battery pack and electronic device |
| CN114361737A (en) * | 2020-09-29 | 2022-04-15 | 宁德新能源科技有限公司 | Battery and electronic device using same |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20200720 Address after: Room 413, unit 2, building 1, No. 9, Keji 9th Road, Songshanhu Park, Dongguan City, Guangdong Province 523000 Patentee after: Dongguan xinneng'an Technology Co.,Ltd. Address before: 523000 Youth Plaza Industrial Zone, Tong Yan village, Liaobu Town, Guangdong, Dongguan, A3 Patentee before: Dongguan NVT Technology Co.,Ltd. |
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| TR01 | Transfer of patent right |