CN104681759B - Surface-mounted protecting plate and battery pack with same - Google Patents
Surface-mounted protecting plate and battery pack with same Download PDFInfo
- Publication number
- CN104681759B CN104681759B CN201510064624.4A CN201510064624A CN104681759B CN 104681759 B CN104681759 B CN 104681759B CN 201510064624 A CN201510064624 A CN 201510064624A CN 104681759 B CN104681759 B CN 104681759B
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- China
- Prior art keywords
- protection board
- base material
- nickel
- paster
- protecting plate
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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 invention discloses a surface-mounted protecting plate and a battery pack with the protecting plate. The surface-mounted protecting plate comprises a protecting plate base material and a plurality of patch nickel straps arranged at the upper side of the protecting plate base material, wherein an opening is formed in one side, opposite to a welding part, of the protecting plate base material, and a plurality of nickel bricks are arranged at the lower side, near to the edge, of the protecting plate base material. Cylindrical batteries are connected with the patch nickel straps of the surface-mounted protecting plate of the battery pack in a spot welding manner, wherein electrodes on the top end of each cylindrical battery are led to the protecting plate by being in connection with the nickel straps and are connected with the nickel bricks arranged at the bottom side of the protecting plate in the spot welding manner, and internal circuits which are connected with the patch nickel straps and the nickel bricks are arranged on the protecting plate base material so as to connect the cylindrical batteries in sequence and in series. The surface-mounted protecting plate has the advantages that a battery production technology is simplified, the multi-station spot welding is combined, the spot welding frequency is reduced, the spot welding defect rate is greatly reduced, the production and operation are simple, the structure stability is relatively high, the battery production efficiency is improved to a large extent, simultaneously the automatic production can be realized, and the high-efficiency, high-quality and low-cost product delivery is ensured.
Description
Technical field
The present invention for set of cells manufacturing field, more particularly to a kind of SMD protection board and equipped with the protection
The set of cells of plate.
Background technology
More than four string cylindrical lithium ion battery group protection boards of at present production using patch nickel brick and nickel strap butt-joint on battery from
And realize many strings combination of battery, multiple nickel bricks are set on protection board, each nickel brick in nickel strap during spot welding, due to spot welding
Position and the difference of height, need three mash welders point, three different stations just to complete spot welding, and wherein nickel strap is on battery
Repeatedly stacking spot welding occurs, although nickel strap cost is relatively low, but station disperses more, there is quality risk greatly and production efficiency
Low defect, some producers stack spot welding in order to avoid nickel strap, using special nickel strap, because special nickel strap is punched area greatly, into
This costliness, is losing in price competitive advantage.
The content of the invention
To solve the above problems, the present invention provides one kind can simplify battery production technology, and multistation spot welding is merged, and reduce
Spot welding number of times, greatly reduces the fraction defective of spot welding, and production operation is simple, and structural stability is higher, largely improves electricity
Pond production efficiency, while automated production can also be realized, it is ensured that it is SMD that product high efficiency, high-quality, low cost are paid
Protection board and the set of cells equipped with the protection board.
The technical solution adopted for the present invention to solve the technical problems is：A kind of SMD protection board, including protection board base
Material and some paster nickel straps being mounted on the upside of the protection board base material, the middle part of the paster nickel strap forms and is folded upward at what is swelled
Weld part, the two ends of paster nickel strap form the leg of fixation of fitting with the protection board substrate surface, and the weld part punching press is cut out
It is cut into middle part separation and just to the weldering tongue being distributed, the protection board base material arranges perforate, the guarantor in the offside of the weld part
The downside of backplate base material is being provided with some nickel bricks by antermarginal position.
The improvement of technical solution of the present invention is further used as, the leg is provided with the pin for extending downwardly from, the protection
Plate base material is provided with the pin fixing hole penetrated for the pin in the both sides of the perforate.
The improvement of technical solution of the present invention is further used as, the top of the weld part is formed can be with battery electrode welding
Plane.
The improvement of technical solution of the present invention is further used as, the weld part of each paster nickel strap on the protection board base material
It is highly identical.
A kind of set of cells, including some cylinder electricity of above-mentioned SMD protection board and each paster nickel strap of correspondence
Pond, each cylindrical battery bottom electrode connects with the weld part spot welding of corresponding paster nickel strap, each cylindrical battery top
Termination electrode causes protection board base material, the top of the connection nickel strap and the cylindrical battery apex electrode point by connecting nickel strap
Weldering connection, the bottom for connecting nickel strap is connected with the nickel brick spot welding on the downside of protection board base material, and the protection board base material is provided with connection
The internal circuit of the paster nickel strap and nickel brick so that each cylindrical battery to be sequentially connected in series.
The improvement of technical solution of the present invention is further used as, the protection board base material is provided with four paster nickel straps, described
The cylindrical battery correspondence paster nickel strap arranges four and saves, and four pitch circle cylindrical batteries are brought into close contact to form unit group, the unit
The upper and lower ends of group are respectively arranged with insulation spacer, and the insulation spacer forms expose electrode logical in the end of each cylindrical battery
Hole.
The improvement of technical solution of the present invention is further used as, support is provided between the unit group and SMD protection board described
The pad of SMD protection board.
Beneficial effects of the present invention：The invention provides a kind of SMD protection board and the set of cells equipped with the protection board,
Wherein, paster nickel strap reinstates chip mounter paster to protection board base material by the way of SMT pasters with other electron component one,
Paster nickel strap is integrally formed formula structure with protection board base material, and protection board base material, to side position perforate, is easy to spot welding in paster nickel strap
Machine spot welding.Spot-welding part punching press in the middle of paster nickel strap cuts into symmetrical weldering tongue, can effectively prevent paster nickel strap to hold in a postwelding
Paster nickel strap is caused to come off by solder joint pulling force.When paster nickel strap on battery and protection board base material is carried out is assembled, protection board
At paster nickel strap on base material at grade, only need to be completed with the disposable spot welding of mash welder, operator can be by 4 people
1 people is reduced to, while 3 mash welders can be saved, battery combination time point welder position considerably reduces, and battery structure more simply may be used
Lean on, and automatization's spot welding can be realized, greatly improve production efficiency.Meanwhile, this SMD protection board is in protection board base material
Rear side arranges nickel brick, and cell top end electrode can be directed directly to protection board base material by connection nickel strap, and with nickel brick spot welding, spot-welding technology
Simple possible, can avoid repeatedly stacking spot welding, effectively raise the reliability of product and reduce production cost, it is ensured that product
High efficiency, high-quality, low cost are paid.
By the improvement of said structure, when set of cells is manufactured, 4 artificial and 4 equipment can be saved, while production
Efficiency was lifted by 2800PCS/ days by 2000PCS/ days.
Description of the drawings
Below in conjunction with the accompanying drawings the invention will be further described：
Fig. 1 is the SMD protection board structure axonometric drawing of the embodiment of the present invention；
Fig. 2 is the SMD protection board structure top view of the embodiment of the present invention；
Fig. 3 is the SMD protection board structure upward view of the embodiment of the present invention；
Fig. 4 is embodiment of the present invention paster nickel belt structure front view；
Fig. 5 is embodiment of the present invention paster nickel belt structure upward view；
Fig. 6 is embodiment of the present invention battery pack structure explosive view；
Fig. 7 is embodiment of the present invention battery pack structure front view；
Fig. 8 is embodiment of the present invention battery pack structure top end view；
Fig. 9 is embodiment of the present invention battery pack structure bottom view.
Specific embodiment
Referring to figs. 1 to Fig. 5, the invention provides a kind of SMD protection board, including protection board base material 1 and the guarantor is mounted in
Some paster nickel straps 2 of the upside of backplate base material 1, the middle part of the paster nickel strap 2 forms the weld part 21 for being folded upward at swelling, patch
The two ends of piece nickel strap 2 form the leg 22 of fixation of fitting with the surface of protection board base material 1, and the leg 22 is provided with to be stretched downwards
The pin 23 for going out, the punching press of the weld part 21 cuts into middle part separation and just to the weldering tongue 24 being distributed, and the protection board base material 1 exists
The offside of the weld part 21 arranges perforate 11, and the protection board base material 1 is provided with for the pin in the both sides of the perforate 11
The 23 pin fixing holes for penetrating, the pin 23 on leg 22 can be effectively increased the accuracy of the intensity of welding and element positioning.Institute
The plane that can be welded with battery electrode is formed on the top for stating weld part 21.Each paster nickel strap 2 on the protection board base material 1
Weld part 21 is highly identical.The downside of the protection board base material 1 is being provided with some nickel bricks 3 by antermarginal position.
Reference Fig. 6 to Fig. 9, the invention provides a kind of set of cells, including above-mentioned SMD protection board and each institute of correspondence
State some cylindrical batteries 4 of paster nickel strap 2, the weld part of each bottom electrode of the cylindrical battery 4 and corresponding paster nickel strap 2
21 spot welding connect, and each apex electrode of the cylindrical battery 4 causes protection board base material 1, the connection nickel strap by connection nickel strap 5
5 top is connected with the apex electrode spot welding of the cylindrical battery 4, connects the bottom of nickel strap 5 and the nickel of the downside of protection board base material 1
The spot welding of brick 3 connects, the protection board base material 1 be provided with the connection paster nickel strap 2 and nickel brick 3 with by each cylindrical battery 4 according to
The internal circuit of secondary series connection.
Specifically, the protection board base material 1 is provided with four paster nickel straps 2, the correspondence of the cylindrical battery 4 paster
Nickel strap 2 arranges four and saves, and four pitch circle cylindrical batteries 4 are brought into close contact to form unit group, and the upper and lower ends of the unit group are respectively arranged with absolutely
Edge pad 6, the insulation spacer 6 forms the through hole 61 for exposing electrode in the end of each cylindrical battery 4.The unit group with
The pad 7 for supporting the SMD protection board is provided between SMD protection board, the effect of pad 7 is：1. SMD protection is supported
Plate, prevents from falling and causing paster nickel strap 2 to deform；2. guarantee to protect and there are enough insulating spaces between panel element and electrode, can be with
Avoid causing paster nickel strap 2 to deform under unexpected impact events, element is short-circuited with electrode contact.
The invention provides a kind of SMD protection board and the set of cells equipped with the protection board, wherein, paster nickel strap 2 is adopted
The mode of SMT pasters, chip mounter paster is reinstated to protection board base material 1 with other electron component one, the same protection board of paster nickel strap 2
Base material 1 is integrally formed formula structure, and protection board base material 1 is easy to mash welder spot welding in the lower position perforate 11 of paster nickel strap 2.Paster
The middle spot-welding part punching press of nickel strap 2 cuts into symmetrical weldering tongue 24, can effectively prevent paster nickel strap 2 from bearing solder joint in a postwelding and draw
Power, and cause paster nickel strap 2 to come off.When paster nickel strap 2 on battery and protection board base material 1 is carried out is assembled, protection board base material 1
On paster nickel strap 2 at grade, only need to be completed with the disposable spot welding of mash welder, operator can be subtracted by 4 people
It is less 1 people, while 3 mash welders can be saved, battery combination time point welder position considerably reduces, and battery structure is more simple and reliable,
And automatization's spot welding can be realized, greatly improve production efficiency.Meanwhile, this SMD protection board is after protection board base material 1
Side arranges nickel brick 3, and cell top end electrode can be directed directly to protection board base material 1 by connection nickel strap 5, and with the spot welding of nickel brick 3, put welder
Skill simple possible, can avoid repeatedly stacking spot welding, effectively raise the reliability of product and reduce production cost, it is ensured that produce
Product high efficiency, high-quality, low cost are paid.
Certainly, the invention is not limited to above-mentioned embodiment, and those of ordinary skill in the art are without prejudice to this
Equivalent variations or replacement can be also made on the premise of spirit, the modification of these equivalents or replacement are all contained in the application right
Require in limited range.
Claims (6)
1. a kind of SMD protection board, it is characterised in that：If including protection board base material and being mounted on the upside of the protection board base material
Dry doubling piece nickel strap, the middle part of the paster nickel strap forms the weld part for being folded upward at swelling, and the two ends of paster nickel strap are formed and institute
The fixed leg of protection board substrate surface laminating is stated, the weld part punching press cuts into middle part and separates and just to the weldering tongue being distributed,
The protection board base material arranges perforate in the offside of the weld part, and the downside of the protection board base material is by antermarginal position
Some nickel bricks are provided with, the leg is provided with the pin for extending downwardly from, and the protection board base material is provided with the both sides of the perforate
For the pin fixing hole that the pin is penetrated.
2. SMD protection board according to claim 1, it is characterised in that：The top of the weld part is formed can be with battery
The plane of electrode welding.
3. SMD protection board according to claim 1, it is characterised in that：Each paster nickel on the protection board base material
The weld part of band is highly identical.
4. a kind of set of cells, it is characterised in that：Including SMD protection board and correspondence any one of claims 1 to 3
Some cylindrical batteries of each paster nickel strap, the weld part of each cylindrical battery bottom electrode and corresponding paster nickel strap
Spot welding connects, and each cylindrical battery apex electrode causes protection board base material, the top of the connection nickel strap by connecting nickel strap
End is connected with the cylindrical battery apex electrode spot welding, and the bottom and the nickel brick spot welding on the downside of protection board base material for connecting nickel strap connects
Connect, the protection board base material is provided with the interior electricity of the connection paster nickel strap and nickel brick so that each cylindrical battery to be sequentially connected in series
Road.
5. set of cells according to claim 4, it is characterised in that：The protection board base material is provided with four paster nickel straps,
The corresponding paster nickel strap of the cylindrical battery arranges four and saves, and four pitch circle cylindrical batteries are brought into close contact to form unit group, described
The upper and lower ends of unit group are respectively arranged with insulation spacer, and the insulation spacer is formed in the end of each cylindrical battery exposes electrode
Through hole.
6. set of cells according to claim 5, it is characterised in that：Support is provided between the unit group and SMD protection board
The pad of the SMD protection board.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510064624.4A CN104681759B (en) | 2015-02-05 | 2015-02-05 | Surface-mounted protecting plate and battery pack with same |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510064624.4A CN104681759B (en) | 2015-02-05 | 2015-02-05 | Surface-mounted protecting plate and battery pack with same |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN104681759A CN104681759A (en) | 2015-06-03 |
| CN104681759B true CN104681759B (en) | 2017-04-19 |
Family
ID=53316543
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510064624.4A Active CN104681759B (en) | 2015-02-05 | 2015-02-05 | Surface-mounted protecting plate and battery pack with same |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN104681759B (en) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107634159A (en) * | 2017-08-10 | 2018-01-26 | 卧龙电气集团股份有限公司 | A kind of lithium battery group for treasured doubleway output of waiting |
| CN117260096B (en) * | 2023-11-22 | 2024-02-09 | 广东国玉科技股份有限公司 | Battery pile welding device |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101764251A (en) * | 2008-12-23 | 2010-06-30 | 三星Sdi株式会社 | Secondary battery |
| CN201623226U (en) * | 2010-01-21 | 2010-11-03 | 深圳市炜烨丰电子科技有限公司 | Battery protection board and lithium ion battery by adopting same |
| CN102306731A (en) * | 2011-08-19 | 2012-01-04 | 山东驰翔新能源科技有限公司 | Battery combination universal connecting plate |
| CN204441352U (en) * | 2015-02-05 | 2015-07-01 | 博科能源系统(深圳)有限公司 | A kind of SMD baffle and the battery pack of this baffle is housed |
-
2015
- 2015-02-05 CN CN201510064624.4A patent/CN104681759B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101764251A (en) * | 2008-12-23 | 2010-06-30 | 三星Sdi株式会社 | Secondary battery |
| CN201623226U (en) * | 2010-01-21 | 2010-11-03 | 深圳市炜烨丰电子科技有限公司 | Battery protection board and lithium ion battery by adopting same |
| CN102306731A (en) * | 2011-08-19 | 2012-01-04 | 山东驰翔新能源科技有限公司 | Battery combination universal connecting plate |
| CN204441352U (en) * | 2015-02-05 | 2015-07-01 | 博科能源系统(深圳)有限公司 | A kind of SMD baffle and the battery pack of this baffle is housed |
Also Published As
| Publication number | Publication date |
|---|---|
| CN104681759A (en) | 2015-06-03 |
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