CN106025160A - Lithium battery structure for electric bicycles and production method thereof - Google Patents
Lithium battery structure for electric bicycles and production method thereof Download PDFInfo
- Publication number
- CN106025160A CN106025160A CN201610584907.6A CN201610584907A CN106025160A CN 106025160 A CN106025160 A CN 106025160A CN 201610584907 A CN201610584907 A CN 201610584907A CN 106025160 A CN106025160 A CN 106025160A
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- China
- Prior art keywords
- nickel sheet
- circuit board
- cells
- lower house
- lithium battery
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Classifications
-
- 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
- H01M50/502—Interconnectors for connecting terminals of adjacent batteries; Interconnectors for connecting cells outside a battery casing
-
- 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
- H01M50/20—Mountings; Secondary casings or frames; Racks, modules or packs; Suspension devices; Shock absorbers; Transport or carrying devices; Holders
-
- 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)
- Battery Mounting, Suspending (AREA)
Abstract
The invention discloses a lithium battery structure for electric bicycles and a production method thereof. The structure comprises an upper shell and a lower shell, the upper and the lower shell enclose a box structure, one side of the box structure is an open side, a plurality of lithium cells are fixed in the box structure and are electrically connected into a battery pack through a plurality of nickel plates, a circuit board is locked to the open side and is provided with an integrated circuit and a component area, the integrated circuit and the component area are arranged on the side of the circuit board close to the battery pack, positive and negative electrodes of the battery pack are welded to one side of the circuit board far away from the battery pack. The invention is intended to provide a lithium battery structure for electric bicycles, and the lithium battery structure is simple in structure and practical, and may allow wireless arrangement of cells and reduce battery pack short-circuit risk.
Description
Technical field
The present invention relates to electrokinetic cell field, specifically a kind of automobile-used lithium battery structure of electrical salf-walking, and this lithium battery knot
The preparation method of structure.
Background technology
ZL201420319328.5 discloses a kind of lithium battery module, including: housing, upper cover, it is arranged at the electricity in described housing
Core group, it is made up of several battery cores；It is detachably connected on the support in described housing；Connect with described battery core and/or parallel connection
Conducting strip；And two conductive poles that structure is identical；Described lithium battery module is arranged by adjusting the electrode position of described battery core
Put, change described conductive pole output electric current under same position.
Above-mentioned lithium battery module has problems in that, between itself and circuit board, electric wire to be passed through connects, and is assembling and the process of use
Middle electric wire is easily stuck or the problem such as aging causes set of cells short circuit.
Summary of the invention
It is an object of the invention to provide a kind of automobile-used lithium battery structure of electrical salf-walking, this electrical salf-walking automobile-used lithium battery structure structure
Simple and practical, it is possible to achieve battery core is arranged without electric wire, reduces set of cells short-circuit risks, the invention also discloses this lithium electricity simultaneously
The preparation method of pool structure.
The concrete technical scheme of the present invention is: a kind of automobile-used lithium battery structure of electrical salf-walking, including upper shell and lower house, institute
The upper shell stated and lower house surround a box body structure, and the side of described box body structure is open surface, described box body structure
Inside be fixed with multiple lithium cell, described multiple lithium cells are electrically connected to form a set of cells by multiple nickel sheet, described
On open surface, engaging has circuit board, described circuit board to be provided with integrated circuit and components and parts region, described integrated circuit and unit
Device area is arranged on the circuit board side near set of cells, and the nickel sheet corresponding to the positive pole of described set of cells and negative pole is welded on
Circuit board away from the side of set of cells, the position that described upper shell is corresponding with lithium cell with the surface of lower house be provided with multiple for
Spot welding connects nickel sheet and the some welding hole of lithium cell.
In the above-mentioned automobile-used lithium battery structure of electrical salf-walking, described box body structure is provided with a circle draw-in groove near the position of open surface,
Described circuit-board card is combined on this draw-in groove.
In the above-mentioned automobile-used lithium battery structure of electrical salf-walking, the roof of described box body structure is relative with bottom surface be provided with multiple for
The holding section of engaging lithium cell.
In the above-mentioned automobile-used lithium battery structure of electrical salf-walking, the inside of described circuit board is provided with and integrated circuit and components and parts district
The conducting wire of territory electrical connection, described circuit board is provided with, away from the side of set of cells, the first pad electrically connected with conducting wire,
Nickel sheet corresponding to the positive pole of described set of cells and negative pole is welded to connect with the first pad.
In the above-mentioned automobile-used lithium battery structure of electrical salf-walking, every 2-10 lithium cell parallel connection forms a battery group, adjacent
Battery group is by the set of cells described in nickel sheet series connection formation, and the inside of described circuit board is provided with and integrated circuit and components and parts district
What territory electrically connected is used for inputting the electric current of set of cells and the signal line of voltage signal, and described circuit board is away from the side of set of cells
Being provided with multiple second pads electrically connected with signal line, the nickel sheet of the battery group for connecting adjacent welds spot welding with second
Connect in succession.
In the above-mentioned automobile-used lithium battery structure of electrical salf-walking, also include multiple nickel sheet holding tank for accommodating and position nickel sheet.
In the above-mentioned automobile-used lithium battery structure of electrical salf-walking, the described nickel sheet position corresponding with lithium cell is provided with the flow-disturbing of strip
Groove.
In the above-mentioned automobile-used lithium battery structure of electrical salf-walking, between described upper shell and lower house, it is provided with sealing joint strip.
In the above-mentioned automobile-used lithium battery structure of electrical salf-walking, the upper surface of described upper shell is with the lower surface of lower house respectively
It is fixedly connected with splash guard.
In the above-mentioned automobile-used lithium battery structure of electrical salf-walking, a diameter of 10mm of described some welding hole.
Meanwhile, the invention also discloses the preparation method of the automobile-used lithium battery structure of above-mentioned electrical salf-walking, comprise the following steps:
Step 1: multiple nickel sheet are encased in lower house；
Step 2: in battery core is installed to lower house one by one and compress nickel sheet, and circuit board is engaged on lower house；By waterproof
Adhesive tape is arranged in lower house groove.
Step 3: multiple nickel sheet are encased in upper shell；
Step 4: drop by the nickel sheet inside upper shell is loosening with magnetic tool；
Step 5: be installed on lower house by upper shell, makes lithium cell be fixed in box body structure；
Step 6: upper shell 1 and lower house 2 are locked；
Step 7: unclamp magnetic tool, uses autompulse mash welder spot welding, by spot-welded together to lithium cell and nickel sheet；
Step 8: make nickel sheet welding circuit board.
Compared with prior art, the beneficial effects of the present invention is:
The present invention makes this battery structure without electric wire, fixing-stable by the circuit board of box body structure and engaging, is difficult to short circuit and short circuit,
Dependability is good.Meanwhile, nickel sheet makes multiple lithium cell form set of cells then by nickel sheet welding on circuit boards, this circuit board
Electronic devices and components and integrated circuit be provided entirely in the side near battery, be possible to prevent welding slag in welding process to cause
Short circuit and the welding slag damage to electronic devices and components, it is also possible to avoid traditional wire laying mode that wire causes extrusion damage and short circuit.
Accompanying drawing explanation
Fig. 1 is the part explosive view of the embodiment of the present invention 1；
Fig. 2 is the axonometric chart of the embodiment of the present invention 1；
Fig. 3 is structural representation during upper shell and the lower house cooperation of the embodiment of the present invention 1；
Fig. 4 is schematic diagram during lower house and the circuit board cooperation of the embodiment of the present invention 1；
Fig. 5 is the lower house of the embodiment of the present invention 1 schematic diagram when coordinating with lithium cell and nickel sheet；
Fig. 6 is the schematic diagram of the upper shell of the embodiment of the present invention 1.
Detailed description of the invention
Below in conjunction with detailed description of the invention, technical scheme is described in further detail, but does not constitute the present invention
Any restriction.
Embodiment 1
As shown in Figures 1 to 6, a kind of automobile-used lithium battery structure of electrical salf-walking, including upper shell 1 and lower house 2, described is upper
Housing 1 and lower house 2 surround a box body structure, and the side of described box body structure is open surface 3, described box body structure
Inside be fixed with multiple lithium cell 4, described multiple lithium cells 4 are electrically connected to form a set of cells by multiple nickel sheet 5,
On described open surface 3, engaging has circuit board 6, described circuit board 6 to be provided with integrated circuit and components and parts region 7, described
Integrated circuit and components and parts region 7 are arranged on the circuit board 6 side near set of cells, the positive pole of described set of cells and negative pole institute
Corresponding nickel sheet 5 is welded on the circuit board 6 side away from set of cells, described upper shell 1 and the surface of lower house 2 and lithium electricity
The position of core 4 correspondence is provided with multiple for spot welding connection nickel sheet 5 and the some welding hole 8 of lithium cell 4.In the present embodiment, upper casing
The point welding hole 8 on the surface of body 1 and lower house 2 is the structure of 4*10 and arranges.This lithium cell 4 is 18650 battery cores.
The present embodiment by the circuit board 6 of box body structure and engaging make this battery structure without electric wire, fixing-stable, be difficult to short circuit and
Short circuit, dependability is good.Meanwhile, nickel sheet 5 makes multiple lithium cell 4 form set of cells and then nickel sheet 5 is welded on circuit board
On 6, the electronic devices and components of this circuit board 6 and integrated circuit are provided entirely in the side near battery, are possible to prevent in welding
During the short circuit that causes of welding slag and the welding slag damage to electronic devices and components, it is also possible to avoid traditional wire laying mode that wire is caused
Extrusion damage and short circuit.
In upper the present embodiment, described box body structure is provided with a circle draw-in groove 9, described circuit board 6 near the position of open surface 3
Being fastened on this draw-in groove 9, the roof of described box body structure is relative with bottom surface is provided with multiple holding section for engaging lithium cell 4
10, this holding section 10 is typically surrounded, by the snap-latch surface of 4 arcs, the structure adapted to lithium cell 4 peripheral shape.Each lithium electricity
The top and bottom of core 4 can realize effective solid by holding section 10 engaging that roof and the bottom surface of box body structure are oppositely arranged
Fixed.
In the present embodiment, in order to easily cause the problem of circuit board 6 short circuit, the inside of described circuit board 6 when solving welding
Being provided with the conducting wire 11 electrically connected with integrated circuit and components and parts region 7, described circuit board 6 sets away from the side of set of cells
There is the first pad 12 electrically connected with conducting wire 11, the nickel sheet 5 corresponding to the positive pole of described set of cells and negative pole and
One pad 12 is welded to connect, and this nickel sheet 5 and the first pad 12 junction are a kink, and kink is provided with a cross
The welding hole of shape.
Further, every 4 lithium cells 4 are in parallel forms a battery group, and adjacent battery group is connected shape by nickel sheet 5
Set of cells described in one-tenth, the inside of described circuit board 6 be provided with electrically connect with integrated circuit and components and parts region 7 for inputting
The electric current of set of cells and the signal line 13 of voltage signal, described circuit board 6 is provided with and signal line away from the side of set of cells
Multiple second pads 14 of 13 electrical connections, for nickel sheet 5 and second pad 14 company of welding of the battery group of connecting adjacent
Connecing, this nickel sheet 5 and the second pad 14 junction are a kink, and kink is provided with the welding hole of circle.
It should be noted that in the accompanying drawings, in order to clearly show signal line 13 and the arrangement of conducting wire 11, adopt
Representing by the form of solid line, it practice, signal line 13 and conducting wire 11 are embedded in circuit board inside, surface is
Cannot see.
Conducting wire 11 and signal line 13 are embedded in circuit board 6 internal, the welding slag when welding can be avoided to be dropped in circuit
On cause line short, meanwhile, integrated circuit and components and parts region 7 arrange when position it also avoid welding integrated circuit and
The damage that electronic devices and components cause.
In order to improve the fixed effect of nickel sheet 5, it is to avoid in use nickel sheet 5 vibrations displacement, this battery structure also includes many
The individual nickel sheet holding tank 15 for accommodating and position nickel sheet 5.Nickel sheet 5 just can be contained in this nickel sheet holding tank 15, and
And surface withstood by lithium cell 4, the most in use avoid because the battery short circuit that causes of vibrations and short circuit problem
Occur.
During high-frequency impulse spot welding, by the flow-disturbing of the strip that the position that described nickel sheet 5 is corresponding with lithium cell 4 is provided with
Groove 16 can avoid nickel sheet 5 breakdown in pinpoint welding procedure, improves the safety in utilization of lithium cell 4.
In order to improve the waterproof effect of this battery structure, between described upper shell 1 and lower house 2, it is provided with sealing joint strip 17, institute
The upper surface of the upper shell 1 stated and the lower surface of lower house 2 are fixedly connected with splash guard 18 respectively.Further, the present embodiment
Upper shell 1 and lower house 2 are locked by 4 self-tapping screws, this ensure that the upper surface of whole box body structure, lower surface,
The sealing of joint portion, circuit board 6 is to be fixed on the open surface 3 of box body structure with the form of engaging simultaneously, and therefore it seals
Effect is also very good.The total of the present embodiment can effectively avoid steam to enter into inside, improves making of this battery structure
Use safety.
Test process finds, most useful for spot welding during a diameter of 10mm of described some welding hole 8, prevents from being partially welded the electricity caused
The appearance of pond short-circuit fire problem.
The manufacture method of the automobile-used lithium battery structure of this electrical salf-walking specifically includes following steps:
Step 1: multiple nickel sheet 5 are encased in the nickel sheet holding tank 15 of lower house 2；
Step 2:18650 battery core is installed in the holding section 10 on lower house 2 one by one, and circuit board 6 is engaged to lower house 2
On draw-in groove 9；
Step 3: sealing joint strip 17 is installed on upper shell 1；
Step 4: multiple nickel sheet 5 are encased in the nickel sheet holding tank 15 of upper shell 1；
Step 5: drop by the nickel sheet 5 inside upper shell 1 is loosening with magnetic tool；
Step 6: be installed on lower house 2 by upper shell 1, makes lithium cell 4 be engaged on upper shell 1；
Step 7: upper shell 1 and lower house 2 are locked by self-tapping screw；
Step 8: unclamp magnetic tool, uses autompulse mash welder spot welding, by spot-welded together to 18650 battery cores and nickel sheet 5；
Step 9: the position making nickel sheet 5 be connected with the first pad 12 or the second pad 14 is bent to form kink, then
Make itself and the first pad 12 or the second pad 14 overlap, then weld, splash guard 18 is bonded in the upper and lower of box body structure
Surface.
Above-described be only presently preferred embodiments of the present invention, all made in the range of the spirit and principles in the present invention any amendment,
Equivalent and improvement etc., should be included within the scope of the present invention.
Claims (10)
1. the automobile-used lithium battery structure of electrical salf-walking, including upper shell and lower house, it is characterised in that described upper shell and
Lower house surrounds a box body structure, and the side of described box body structure is open surface, and the inside of described box body structure is fixed with
Multiple lithium cells, described multiple lithium cells are electrically connected to form a set of cells by multiple nickel sheet, and described open surface engages
Have circuit board, described circuit board to be provided with integrated circuit and components and parts region, described integrated circuit and components and parts region to arrange
At circuit board near the side of set of cells, the nickel sheet corresponding to the positive pole of described set of cells and negative pole is welded on circuit board away from electricity
The side of pond group, the position that described upper shell is corresponding with lithium cell with the surface of lower house is provided with multiple for spot welding connection nickel sheet
Point welding hole with lithium cell.
The automobile-used lithium battery structure of electrical salf-walking the most according to claim 1, it is characterised in that lean on described box body structure
The position of nearly open surface is provided with a circle draw-in groove, and described circuit-board card is combined on this draw-in groove.
The automobile-used lithium battery structure of electrical salf-walking the most according to claim 1, it is characterised in that the top of described box body structure
Wall is relative with bottom surface is provided with multiple holding section for engaging lithium cell.
The automobile-used lithium battery structure of electrical salf-walking the most according to claim 1, it is characterised in that the inside of described circuit board
Being provided with the conducting wire electrically connected with integrated circuit and components and parts region, described circuit board is provided with away from the side of set of cells and leads
First pad of electric line electrical connection, the nickel sheet corresponding to the positive pole of described set of cells and negative pole is welded with the first pad even
Connect.
The automobile-used lithium battery structure of electrical salf-walking the most according to claim 4, it is characterised in that every 2-10 lithium cell is also
Connection forms a battery group, adjacent battery group by nickel sheet series connection formed described in set of cells, described circuit board interior
Portion is provided with the signal line of the electric current and voltage signal for the inputting set of cells that electrically connect with integrated circuit and components and parts region, institute
The circuit board stated is provided with, away from the side of set of cells, multiple second pads electrically connected with signal line, for connecting adjacent electricity
The nickel sheet of pond group is welded to connect with the second pad.
The automobile-used lithium battery structure of electrical salf-walking the most according to claim 5, it is characterised in that also include multiple for accommodating
Nickel sheet holding tank with location nickel sheet.
The automobile-used lithium battery structure of electrical salf-walking the most according to claim 5, it is characterised in that described nickel sheet and lithium cell
Corresponding position is provided with the flow-disturbing groove of strip.
8. according to the arbitrary described automobile-used lithium battery structure of electrical salf-walking of claim 1-7, it is characterised in that described upper shell
And between lower house, it is provided with sealing joint strip.
The automobile-used lithium battery structure of electrical salf-walking the most according to claim 8, it is characterised in that the upper table of described upper shell
Face is fixedly connected with splash guard respectively with the lower surface of lower house.
10. the preparation method of the automobile-used lithium battery structure of the electrical salf-walking as described in claim 1-9 is arbitrary, it is characterised in that
Comprise the following steps:
Step 1: multiple nickel sheet are encased in lower house；
Step 2: in battery core is installed to lower house one by one and compress nickel sheet, and circuit board is engaged on lower house, by waterproof
Adhesive tape is arranged in lower house groove；
Step 3: multiple nickel sheet are encased in upper shell；
Step 4: drop by the nickel sheet inside upper shell is loosening with magnetic tool；
Step 5: be installed on lower house by upper shell, makes lithium cell be fixed in box body structure；
Step 6: upper shell 1 and lower house 2 are locked；
Step 7: unclamp magnetic tool, uses autompulse mash welder spot welding, by spot-welded together to lithium cell and nickel sheet；
Step 8: make nickel sheet and welding circuit board.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2016103298295 | 2016-05-18 | ||
| CN201610329829 | 2016-05-18 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN106025160A true CN106025160A (en) | 2016-10-12 |
Family
ID=57116203
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610584907.6A Pending CN106025160A (en) | 2016-05-18 | 2016-07-22 | Lithium battery structure for electric bicycles and production method thereof |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN106025160A (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107221631A (en) * | 2017-05-19 | 2017-09-29 | 东莞市巨星电池有限公司 | A kind of battery pack and startup power supply based on high frequency pulse current welding |
| CN108575068A (en) * | 2017-03-13 | 2018-09-25 | 宁德时代新能源科技股份有限公司 | battery control unit encapsulating structure and encapsulating method |
| CN114583299A (en) * | 2022-03-22 | 2022-06-03 | 深圳市壹加智慧科技有限公司 | Battery module, portable energy storage power supply and assembling method of battery module |
| CN115207540A (en) * | 2022-08-18 | 2022-10-18 | 东风汽车集团股份有限公司 | Frame of electric bicycle and electric bicycle |
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| CN105244460A (en) * | 2015-09-16 | 2016-01-13 | 浙江超威创元实业有限公司 | Power battery module, assembling method and electric vehicle |
| CN205900674U (en) * | 2016-05-18 | 2017-01-18 | 清远腾飞智能科技有限公司 | Lithium battery sstructure for electric bicycle |
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| JP2003249209A (en) * | 2002-02-06 | 2003-09-05 | Samsung Sdi Co Ltd | Battery part, lithium polymer battery and manufacturing method of the same |
| CN102362371A (en) * | 2009-01-29 | 2012-02-22 | Icel***韩国有限公司 | Cell cartridge with a composite intercell connecting net structure |
| CN203150635U (en) * | 2013-02-01 | 2013-08-21 | 吴国森 | Novel lithium ion battery pack |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108575068A (en) * | 2017-03-13 | 2018-09-25 | 宁德时代新能源科技股份有限公司 | battery control unit encapsulating structure and encapsulating method |
| CN108575068B (en) * | 2017-03-13 | 2020-07-31 | 宁德时代新能源科技股份有限公司 | Battery control unit encapsulating structure and encapsulating method |
| CN107221631A (en) * | 2017-05-19 | 2017-09-29 | 东莞市巨星电池有限公司 | A kind of battery pack and startup power supply based on high frequency pulse current welding |
| CN114583299A (en) * | 2022-03-22 | 2022-06-03 | 深圳市壹加智慧科技有限公司 | Battery module, portable energy storage power supply and assembling method of battery module |
| CN115207540A (en) * | 2022-08-18 | 2022-10-18 | 东风汽车集团股份有限公司 | Frame of electric bicycle and electric bicycle |
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Application publication date: 20161012 |