CN111063853A - Device for realizing convergence of multiple cylindrical lithium ion batteries - Google Patents
Device for realizing convergence of multiple cylindrical lithium ion batteries Download PDFInfo
- Publication number
- CN111063853A CN111063853A CN201911080361.0A CN201911080361A CN111063853A CN 111063853 A CN111063853 A CN 111063853A CN 201911080361 A CN201911080361 A CN 201911080361A CN 111063853 A CN111063853 A CN 111063853A
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- China
- Prior art keywords
- lithium ion
- ion battery
- battery
- nickel strap
- conductive nickel
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M50/00—Constructional details or processes of manufacture of the non-active parts of electrochemical cells other than fuel cells, e.g. hybrid cells
- H01M50/50—Current conducting connections for cells or batteries
-
- 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
- H01M10/05—Accumulators with non-aqueous electrolyte
- H01M10/052—Li-accumulators
- H01M10/0525—Rocking-chair batteries, i.e. batteries with lithium insertion or intercalation in both electrodes; Lithium-ion batteries
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M50/00—Constructional details or processes of manufacture of the non-active parts of electrochemical cells other than fuel cells, e.g. hybrid cells
- H01M50/50—Current conducting connections for cells or batteries
- H01M50/528—Fixed electrical connections, i.e. not intended for disconnection
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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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- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Electrochemistry (AREA)
- General Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Materials Engineering (AREA)
- Manufacturing & Machinery (AREA)
- Connection Of Batteries Or Terminals (AREA)
Abstract
The invention relates to a device for realizing the confluence of a plurality of cylindrical lithium ion batteries, which comprises a plurality of rows of cylindrical lithium ion batteries, wherein the positive and negative poles of the lithium ion batteries in adjacent rows are opposite in direction, the positive and negative poles of the lithium ion batteries in one row are the same in direction, two ends of each lithium ion battery are respectively positioned through a battery bracket, a plurality of series-parallel conductive nickel straps and two confluence conductive nickel straps are arranged outside the battery bracket, the outermost rows of the lithium ion batteries at two sides are connected through the confluence conductive nickel straps, the confluence conductive nickel straps are connected with the busbars, the lithium ion batteries in other rows are connected through the series-parallel conductive nickel straps, and the series-parallel conductive nickel straps connect the positive and negative poles of the lithium. The high-current lead is welded on a bus pad of a bus PCB, the bus pad is communicated with the copper foil, and two high-current electrodes are respectively led out from the two buses, so that the diversity, the rapidness and the convenience of the assembly of the cylindrical lithium ion battery are improved, and the cylindrical lithium ion battery is light in weight, low in price and cost and more reliable in performance.
Description
Technical Field
The invention relates to a device for realizing the confluence of a plurality of cylindrical lithium ion batteries, belonging to the technical field of batteries.
Background
At present, most of the existing battery busbars in the market are formed by isomorphic cold rolling pressing or laser spot welding of nickel-plated metal copper plates with through holes and electrode plates made of nickel metal materials, and the existing battery busbars are complex in structure, high in process difficulty, not easy to disassemble, high in price and cost and not suitable for being used in the field of small power batteries.
Disclosure of Invention
In order to solve the technical problem, the invention provides a device for realizing the confluence of a plurality of cylindrical lithium ion batteries, which has the following specific technical scheme:
realize device that a plurality of cylinder lithium ion batteries converge, including a plurality of rows of cylinder lithium ion batteries, the positive negative pole orientation of the lithium ion battery of adjacent row is opposite, and the positive negative pole orientation of the lithium ion battery in one row is the same, and the battery holder location is passed through respectively at lithium ion battery's both ends, battery holder's outside is provided with a plurality of series-parallel connection electrically conductive nickel strap and two electrically conductive nickel straps that converge, and the outermost row of lithium ion battery in both sides is connected with electrically conductive nickel strap that converges, and the busbar is connected to electrically conductive nickel strap that converges, and other rows of lithium ion batteries are connected with the electrically conductive nickel strap that connects in series-parallel connection, and the electrically conductive nickel strap that.
Furthermore, the outer side of the confluence conductive nickel belt is provided with a side edge folding edge which is bent towards the lithium ion battery, the busbar is laid on the outer side part of the outermost lithium ion battery, a copper foil is laid on one side surface of the busbar towards the lithium ion battery along the axial direction of the busbar, a plurality of confluence bonding pads are arranged along the radial direction of the busbar, the confluence bonding pads are all connected with the copper foil, each confluence bonding pad is communicated, the confluence bonding pads are sequentially connected with each side edge folding edge, and a limiting groove is formed between the adjacent confluence bonding pads.
Furthermore, the converging conductive nickel strap comprises a nickel strap pressed on the lithium ion battery row electrodes, the nickel strap is provided with contacts which sequentially press each lithium ion battery electrode, a side folded edge is led out beside each contact, the side folded edge presses the edge of the battery support and bends towards the lithium ion battery, end folded edges are arranged at two ends of the nickel strap, and the end folded edges bend towards the battery support and are attached to the battery support;
the bus bar is provided with a confluence welding disc which is consistent with the position and the number of the side folding edges, and each confluence welding disc is welded with one side folding edge in sequence.
Furthermore, the battery support is plate-shaped, a plurality of rows of round holes are formed in the array, the diameter of each round hole is consistent with the outer diameter of the lithium ion battery, a plurality of rows of clamping grooves are formed in the outer side of the battery support, and each row of clamping grooves sequentially press the nickel strips of the serial-parallel connection conductive nickel strips and the confluence conductive nickel strips in the corresponding clamping grooves through the central line of one row of round holes.
Furthermore, the series-parallel connection conductive nickel strap is in a ladder shape and comprises two parallel longitudinal nickel straps, the longitudinal nickel straps are provided with contacts which sequentially press the electrodes of the lithium ion battery, the two nickel strap contacts are connected through a transverse nickel strap,
and both ends of the longitudinal nickel strap are provided with end folding edges which are bent towards the lithium ion battery.
Furthermore, the peripheral edges of the battery support are provided with limiting arcs, and the end folding edges of the series-parallel connection conductive nickel strips and the side folding edges and the end folding edges of the confluence conductive nickel strips are pressed in the limiting arcs at corresponding positions.
Furthermore, the bus bar is made of a PCB.
The invention has the beneficial effects that:
the high-current lead is welded on a bus pad of a bus PCB, the bus pad is communicated with the copper foil, and two high-current electrodes are respectively led out from the two buses, so that the diversity, the rapidness and the convenience of the assembly of the cylindrical lithium ion battery are improved, and the cylindrical lithium ion battery is light in weight, low in price and cost and more reliable in performance.
Drawings
Figure 1 is a schematic view of the structure of the present invention,
in the figure: the solar cell comprises a bus bar 1, a bus bar 2, a bus welding pad 3, a limiting groove 4, a side folding edge 5, a bus conductive nickel strip 6, a limiting arc 7, an end folding edge 8, a longitudinal nickel strip 9, a transverse nickel strip 10, a series-parallel conductive nickel strip 11, a lithium ion battery 12, a contact 13, a battery support 14, a round hole and a rectangular plate 15.
Detailed Description
The present invention will now be described in further detail with reference to the accompanying drawings. These drawings are simplified schematic views illustrating only the basic structure of the present invention in a schematic manner, and thus show only the constitution related to the present invention.
As shown in fig. 1, the device for realizing the current convergence of a plurality of cylindrical lithium ion batteries of the present invention includes a plurality of cylindrical lithium ion batteries 11 for series-parallel connection, two battery supports 13, a plurality of series-parallel connection conductive nickel strips 10 and two current-converging conductive nickel strips 5, the cylindrical lithium ion batteries 11 are fixed by the battery supports, the battery supports 13 are plate-shaped, a plurality of rows of circular holes 14 are formed in an array, the diameter of the circular hole 14 is the same as the outer diameter of the lithium ion battery 11, and two ends of the battery are respectively clamped in the circular holes 114 of the battery supports 13 at the corresponding ends. The middle of four adjacent round holes 14 that the array was arranged is provided with rectangular plate 15, and rectangular plate 15 blocks that the battery wears out from round hole 14, plays the spacing effect that stops, at the edge of battery holder 13, remains the rectangular plate 15 that complete round hole edge corresponds, ensures that the battery in every round hole 14 can not fall out.
In order to realize that all batteries can be connected in series and in parallel, a large-current lead is finally output, the positive and negative poles of the batteries in adjacent rows face oppositely, and the orientation of the batteries in one row is the same. And the outer side of each battery bracket is paved with a series-parallel conductive nickel strap 10, and the edges of two sides of one battery bracket are paved with a confluence conductive nickel strap 5.
In order to fix the series-parallel connection conductive nickel strap 10 and the confluence conductive nickel strap 5, a plurality of rows of clamping grooves are arranged on the outer side of the battery support, each row of clamping grooves passes through the central line of one row of circular holes, and the nickel straps of the series-parallel connection conductive nickel strap 10 and the confluence conductive nickel strap 5 are sequentially pressed in the corresponding clamping grooves. The peripheral edges of the battery bracket are all provided with limiting arcs 6, and the end folding edges 7 of the series-parallel connection conductive nickel strips 10 and the side folding edges 4 and the end folding edges 7 of the confluence conductive nickel strips 5 are pressure-equalized in the limiting arcs 6 at corresponding positions.
The series-parallel connection conductive nickel strap 10 is in a ladder shape and comprises two parallel longitudinal nickel straps 8, the longitudinal nickel straps 8 are provided with contacts 12 which sequentially press electrodes of the lithium ion battery 11, the two nickel strap contacts 12 are connected through a transverse nickel strap 9, and end folding edges 7 which are bent towards the lithium ion battery 11 are arranged at two ends of each longitudinal nickel strap 8. The series-parallel connection conduction of the batteries in two adjacent rows is realized through the contact 12. Is fixed with the battery bracket through the end folding edge 7.
The conductive nickel strap 5 that converges includes a nickel strap of pressing on 11 row electrodes of lithium ion battery, and the nickel strap is provided with the contact 12 that is pressing every 11 electrodes of lithium ion battery in proper order, and a lateral part hem 4 all draws forth next door of every contact 12, and lateral part hem 4 is pressing battery support edge, is buckled towards lithium ion battery 11, and the both ends of nickel strap are provided with tip hem 7, and tip hem 7 is buckled towards battery support, with the laminating of battery support. Is fixed with the battery bracket through the end folding edge 7. The bus bar 1 is provided with bus pads 2 in accordance with the positions and the number of the side flaps 4, and one side flap 4 is welded to each bus pad 2 in turn. The side folding edges 4 are welded with the bus welding pads 2 to realize conduction, and a large-current wire is led out through the bus bar 1. The serial connection and parallel connection of a plurality of batteries are realized, the large current is led out, the number of the cylindrical lithium ion batteries 11 can be randomly changed, and the large current with different power can be led out.
And a limiting groove 3 is formed between the adjacent confluence welding discs, and the limiting groove 3 is fixedly clamped with the edge of the battery bracket.
In the embodiment of the invention, the bus bar is made of a PCB.
It will be understood by those skilled in the art that, unless otherwise defined, all terms (including technical and scientific terms) used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this application belongs. It will be further understood that terms, such as those defined in commonly used dictionaries, should be interpreted as having a meaning that is consistent with their meaning in the context of the prior art and will not be interpreted in an idealized or overly formal sense unless expressly so defined herein.
The meaning of "and/or" as used herein is intended to include both the individual components or both.
The term "connected" as used herein may mean either a direct connection between components or an indirect connection between components via other components.
In light of the foregoing description of the preferred embodiment of the present invention, many modifications and variations will be apparent to those skilled in the art without departing from the spirit and scope of the invention. The technical scope of the present invention is not limited to the content of the specification, and must be determined according to the scope of the claims.
Claims (7)
1. Realize device that a plurality of cylinder lithium ion battery converge, including a plurality of rows of cylinder lithium ion battery, the positive negative pole orientation of the lithium ion battery of adjacent row is opposite, and the positive negative pole orientation of the lithium ion battery in one row is the same, and the battery holder location is passed through respectively at lithium ion battery's both ends, its characterized in that: the external portion of battery holder is provided with a plurality of series-parallel connection electrically conductive nickel strap and two electrically conductive nickel straps that converge, and the outermost row of lithium ion battery of both sides is connected with electrically conductive nickel strap that converges, and electrically conductive nickel strap connection busbar converges, and other rows of lithium ion batteries are connected with electrically conductive nickel strap in series-parallel connection, and electrically conductive nickel strap in series-parallel connection puts through the positive negative pole of the lithium ion battery of adjacent row.
2. The device for realizing the current converging of the plurality of cylindrical lithium ion batteries according to claim 1, is characterized in that: the utility model discloses a lithium ion battery of converging, including the conductive nickel strap of converging, the bus bar is laid at the outside portion that the lithium ion battery of the outside was arranged, the conductive nickel strap outside of converging is provided with the lateral part hem that buckles towards lithium ion battery, and the bus bar is laid at the outside lithium ion battery of the outside row, the copper foil has been laid along its axial to the side of bus bar towards lithium ion battery, radially sets up a plurality of pads that converge along it, and the pad that converges all is connected with the copper foil, realizes each pad intercommunication that converges, and the pad that.
3. The device for realizing the current converging of the plurality of cylindrical lithium ion batteries according to claim 1, is characterized in that: the confluence conductive nickel strap comprises a nickel strap pressed on a lithium ion battery row electrode, the nickel strap is provided with a contact for sequentially pressing each lithium ion battery electrode, a side folded edge is led out beside each contact, the side folded edge presses the edge of the battery support and bends towards the lithium ion battery, the two ends of the nickel strap are provided with end folded edges, and the end folded edges bend towards the battery support and are attached to the battery support;
the bus bar is provided with a confluence welding disc which is consistent with the position and the number of the side folding edges, and each confluence welding disc is welded with one side folding edge in sequence.
4. The device for realizing the current converging of the plurality of cylindrical lithium ion batteries according to claim 1, is characterized in that: the battery support is plate-shaped, a plurality of rows of round holes are formed in the array, the diameter of each round hole is consistent with the outer diameter of the lithium ion battery, a plurality of rows of clamping grooves are formed in the outer side of the battery support, and each row of clamping grooves are sequentially pressed in the corresponding clamping grooves through the central line of one row of round holes.
5. The device for realizing the current converging of the plurality of cylindrical lithium ion batteries according to claim 1, is characterized in that: the series-parallel connection conductive nickel strap is in a ladder shape and comprises two parallel longitudinal nickel straps, the longitudinal nickel straps are provided with contacts which sequentially press the electrodes of the lithium ion battery, the two nickel strap contacts are connected through a transverse nickel strap,
and both ends of the longitudinal nickel strap are provided with end folding edges which are bent towards the lithium ion battery.
6. The device for realizing the current converging of the plurality of cylindrical lithium ion batteries according to claim 4, is characterized in that: the battery support is characterized in that limiting arcs are arranged on the edges of the periphery of the battery support, and the end folding edges of the series-parallel connection conductive nickel strips and the side folding edges and the end folding edges of the confluence conductive nickel strips are pressed in the limiting arcs at corresponding positions.
7. The device for realizing the current converging of the plurality of cylindrical lithium ion batteries according to claim 1, is characterized in that: the bus bar is made of a PCB.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911080361.0A CN111063853A (en) | 2019-11-07 | 2019-11-07 | Device for realizing convergence of multiple cylindrical lithium ion batteries |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911080361.0A CN111063853A (en) | 2019-11-07 | 2019-11-07 | Device for realizing convergence of multiple cylindrical lithium ion batteries |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN111063853A true CN111063853A (en) | 2020-04-24 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201911080361.0A Pending CN111063853A (en) | 2019-11-07 | 2019-11-07 | Device for realizing convergence of multiple cylindrical lithium ion batteries |
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| Country | Link |
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| CN (1) | CN111063853A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110311164A (en) * | 2019-05-21 | 2019-10-08 | 天津力神电池股份有限公司 | The lithium ion battery parallel connection of detachable mixed style is pressurized increase-volume battery pack structure |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101355144A (en) * | 2008-09-08 | 2009-01-28 | 赛恩斯能源科技有限公司 | Battery set |
| US20120321936A1 (en) * | 2011-06-14 | 2012-12-20 | Song Youngbae | Battery pack |
| CN105161663A (en) * | 2015-08-13 | 2015-12-16 | 谭祖宪 | Lithium ion battery system for solar street lamp |
| CN205016603U (en) * | 2015-06-17 | 2016-02-03 | 河南力源电池有限公司 | Battery connection piece and use group battery of this connection piece |
-
2019
- 2019-11-07 CN CN201911080361.0A patent/CN111063853A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101355144A (en) * | 2008-09-08 | 2009-01-28 | 赛恩斯能源科技有限公司 | Battery set |
| US20120321936A1 (en) * | 2011-06-14 | 2012-12-20 | Song Youngbae | Battery pack |
| CN205016603U (en) * | 2015-06-17 | 2016-02-03 | 河南力源电池有限公司 | Battery connection piece and use group battery of this connection piece |
| CN105161663A (en) * | 2015-08-13 | 2015-12-16 | 谭祖宪 | Lithium ion battery system for solar street lamp |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110311164A (en) * | 2019-05-21 | 2019-10-08 | 天津力神电池股份有限公司 | The lithium ion battery parallel connection of detachable mixed style is pressurized increase-volume battery pack structure |
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Application publication date: 20200424 |
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| RJ01 | Rejection of invention patent application after publication |