CN105470416A - Spot-welding-free safe capacity expanding device for cylindrical lithium batteries - Google Patents
Spot-welding-free safe capacity expanding device for cylindrical lithium batteries Download PDFInfo
- Publication number
- CN105470416A CN105470416A CN201510972490.6A CN201510972490A CN105470416A CN 105470416 A CN105470416 A CN 105470416A CN 201510972490 A CN201510972490 A CN 201510972490A CN 105470416 A CN105470416 A CN 105470416A
- Authority
- CN
- China
- Prior art keywords
- bus
- bar
- negative
- battery
- cylindrical lithium
- 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.)
- Granted
Links
- WHXSMMKQMYFTQS-UHFFFAOYSA-N Lithium Chemical compound [Li] WHXSMMKQMYFTQS-UHFFFAOYSA-N 0.000 title claims abstract description 33
- 229910052744 lithium Inorganic materials 0.000 title claims abstract description 30
- 238000005452 bending Methods 0.000 claims description 15
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 12
- 238000003466 welding Methods 0.000 claims description 11
- SZVJSHCCFOBDDC-UHFFFAOYSA-N iron(II,III) oxide Inorganic materials O=[Fe]O[Fe]O[Fe]=O SZVJSHCCFOBDDC-UHFFFAOYSA-N 0.000 claims description 10
- 235000014676 Phragmites communis Nutrition 0.000 claims description 4
- 239000000463 material Substances 0.000 claims description 4
- 229910001369 Brass Inorganic materials 0.000 claims description 3
- 239000010951 brass Substances 0.000 claims description 3
- 230000006378 damage Effects 0.000 description 3
- 238000005516 engineering process Methods 0.000 description 3
- 208000027418 Wounds and injury Diseases 0.000 description 2
- 230000008901 benefit Effects 0.000 description 2
- 208000014674 injury Diseases 0.000 description 2
- 230000005855 radiation Effects 0.000 description 2
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 1
- HBBGRARXTFLTSG-UHFFFAOYSA-N Lithium ion Chemical compound [Li+] HBBGRARXTFLTSG-UHFFFAOYSA-N 0.000 description 1
- 230000004888 barrier function Effects 0.000 description 1
- 239000011449 brick Substances 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 239000010949 copper Substances 0.000 description 1
- 229910052802 copper Inorganic materials 0.000 description 1
- 238000005474 detonation Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 229910001416 lithium ion Inorganic materials 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 238000012858 packaging process Methods 0.000 description 1
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
- H01M50/10—Primary casings; Jackets or wrappings
-
- 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
- H01M50/10—Primary casings; Jackets or wrappings
- H01M50/116—Primary casings; Jackets or wrappings characterised by the material
-
- 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
-
- 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
- H01M50/50—Current conducting connections for cells or batteries
- H01M50/543—Terminals
-
- 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
Landscapes
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Electrochemistry (AREA)
- General Chemical & Material Sciences (AREA)
- Connection Of Batteries Or Terminals (AREA)
- Primary Cells (AREA)
Abstract
A spot-welding-free safe capacity expanding device for cylindrical lithium batteries comprises a battery case, and is characterized in that a battery module formed by combining an anode busbar, a cathode busbar and a cylindrical lithium core together is arranged in the battery case, and a battery cap is mounted on the outside of the battery case (12). Holes are formed in the surface of the anode busbar, an anode bus cap is arranged on the surface of the anode busbar, an anode current-guiding clip spring is mounted in the anode bus cap, the anode busbar is provided with bent edges, the surface of the cathode busbar is provided with holes and grasping components, the cathode busbar is provided with bent edges, and the cylindrical lithium core is mounted between the cathode busbar and the anode busbar. The grasping components are four hooks which are matched with a cathode cap of the cylindrical lithium core, a magnet is arranged at the position of each grasping component on the outer side of the cathode busbar, and the magnets are disc-shaped.
Description
Technical field
This flash chamber relates to the series-parallel flash chamber of a kind of cylindrical lithium battery, particularly relates to a kind of Large Copacity, long-lived cylindrical lithium battery exempts from the safe flash chamber of spot welding cylindrical lithium battery.
Background technology
Battery is a kind of Conversion of Energy and storage device, comparatively speaking, lithium battery energy density is high, volume is little, without the favor safeguarded, environmental friendliness is subject to each row, just progressively move towards electric bicycle, electric automobile etc. from the application of mobile phone, notebook computer, along with the development of technological progress and New Energy Industry, the industry development of high capacity lithium ion battery technology is very swift and violent, becomes the market mainstream.But technology barriers and cost annoying the development of industry always.
A kind of novel cylindrical lithium battery connection in series-parallel flash chamber is described herein, have fail safe high, be easy to the advantages such as realization.Fail safe is wherein the most important, can be applied on automobile, as power set, must be well worth doing on the market in future.
Summary of the invention
The object of the invention is to provide a kind of parallel extended device of cylindrical lithium battery applying lithium electrical travelling industry, and battery pack both positive and negative polarity leave screwed hole be convenient to series connection use.The high cylindrical lithium battery of rate of finished products is as a part of parallel connection, only need simple assembling just can realize battery capacity to be multiplied, battery core does not need spot welding, avoid because spot welding is to the secondary injury of battery core, do not need PVC sleeve pipe, it is convenient to change, and not only energy savings can also save the writing time than traditional flash chamber;
To achieve these goals, technical scheme of the present invention is:
Exempt from the safe flash chamber of spot welding cylindrical lithium battery, comprise battery case, it is characterized in that: be provided with the battery module that negative bus-bar, positive bus and cylinder lithium cell are combined in battery case, battery case is provided with battery cover outside (12).
Described negative bus-bar surface band is porose, negative bus-bar surface is provided with negative pole and confluxes cap, negative pole confluxes in cap and is provided with negative pole water conservancy diversion jump ring, negative bus-bar is with bending edges, described positive bus surface band is porose and firmly grasp component, positive bus, with bending edges, is provided with cylinder lithium cell between positive bus and negative bus-bar.
Described promptly component is four and blocks a shot the coupler body coordinated with cylinder lithium cell positive pole, and outside positive bus, each position of firmly grasping component is provided with magnetite, and magnetite is disc.
The bending edges of described positive bus and the bending edges of negative bus-bar are respectively arranged with screw, the inner side of positive bus and negative bus-bar is provided with bus-bar, bus-bar is provided with screw, screw on bus-bar is corresponding with the screwed hole on bending edges, and the bending edges of negative bus-bar and the bending edges of positive bus are provided with pole respectively by screw;
The reed of described negative pole water conservancy diversion jump ring bends to the inside, and negative pole water conservancy diversion jump ring surface is provided with elongate holes; Described pole is that brass material is made.
In this invention: negative bus-bar has the cap that confluxes, conflux in emitting and have water conservancy diversion jump ring, water conservancy diversion jump ring, reed bends to the inside, tightly battery core negative pole can be wrapped up, there is very little contact resistance, have heat radiation concurrently, the heat that cell operations produces can be fallen apart in air by the cap that confluxes, bus-bar rapidly.
Both positive and negative polarity bus-bar all leaves circular hole and the heat produced in battery pack work can be lost further, positive cover cap hook on cylindrical electrical core can be lived by component outstanding on positive bus, the stability of battery core in battery pack is strengthened, after battery core positive pole has been assembled, further positive pole is clamped with magnetite, reduce contact resistance further; Conflux disk, facilitates battery pack water conservancy diversion to connect; Pole, for chalocopyrite structure has certain degree of hardness, component confluxes partly and bus-bar bending place consistent size, have certain thickness, the disperses heat that river outlet work can be produced, pole has screwed hole, further facilitate battery pack connection in series-parallel, form more high power capacity, more high-tension battery combination; In this structure, battery case cap adopts high ABS material, meets job requirement, can dismember in extreme circumstances, improves fail safe.
The present invention has easy to assembly, and fail safe is high, and structure is rationally ingenious, economizes on resources, and saves time, and does not do any packaging process to battery core, effectively reduces the secondary injury to battery core, improves battery core performance further, improve consistency, meet harsher service condition; The cylinder lithium cell that the present invention selects is the common model in market, has low price, dependable performance, and the advantage such as have extended cycle life.Pole in the present invention is that brass has certain degree of hardness, can meet the series-parallel use of high strength and also have certain heat sinking function concurrently
The battery case that the present invention uses is ABS material, has some strength, battery can be wrapped up, if be used in the environment of movement such as automobile, irresistible factor occur and produces and damage battery pack and can dismember due to powerful external force, power-off.Reduce fire or blast equiprobability.
Accompanying drawing explanation
Fig. 1 is the structural representation of negative pole water conservancy diversion jump ring of the present invention;
Fig. 2 is the structural representation of negative bus-bar of the present invention;
Fig. 3 is that negative pole of the present invention confluxes the structural representation of cap;
Fig. 4 is the structural representation of negative bus-bar of the present invention assembling;
Fig. 5 is the structural representation of positive bus of the present invention;
Fig. 6 is the structural representation of cylinder lithium cell of the present invention and magnetite;
Fig. 7 is the structural representation that positive bus of the present invention and cylinder lithium cell assemble;
Fig. 8 is the structural representation of conflux disk of the present invention;
Fig. 9 is the structural representation of both positive and negative polarity bus-bar assembled in parallel of the present invention;
Figure 10 is the structural representation of pole of the present invention;
Figure 11 is the structural representation of battery cover of the present invention;
Figure 12 is the structural representation of battery case of the present invention;
Figure 13 is battery of the present invention assembling detonation configuration schematic diagram.
In accompanying drawing:
1, negative pole water conservancy diversion jump ring; 2, negative bus-bar; 3, negative pole confluxes cap; 4, positive bus; 5, battery core insulating surfaces pad; 6, cylinder lithium cell; 7, magnetite; 8, bus-bar; 9, pole; 10, screw; 11, battery cover; 12; Battery case.
Embodiment
Below in conjunction with the drawings and specific embodiments, the invention will be further described:
One exempts from spot welding safe connection in series-parallel cylindrical lithium battery connection in series-parallel flash chamber, and assembled by Fig. 4 negative bus-bar, Fig. 5 positive bus, Fig. 6 cylinder lithium cell and magnetite, be assembled into skeleton.Fig. 8 conflux disk and Fig. 9 pole are assembled further, further facilitate and go here and there and connect.Finally use Figure 11 battery cover, Figure 12 battery case, becomes cell brick by cell package, has waterproof and insulating properties concurrently.
Embodiment recited above; only that the preferred embodiment of the present invention is described; not design of the present invention and protection range are limited; under the prerequisite not departing from design concept of the present invention; the various modification that in this area, common engineers and technicians make technical scheme of the present invention and improvement, all should fall into protection scope of the present invention.
Negative bus-bar 2 has to conflux and emits 3, in the cap 3 that confluxes, have negative pole water conservancy diversion jump ring 1.Reed bends to the inside, tightly can be wrapped up by cylindrical electrical core 6 negative pole, have very little contact resistance, have heat radiation concurrently, can fall apart in air rapidly by the heat that cell operations produces by the cap that confluxes, bus-bar; Cylinder lithium cell 6 positive cover cap hook can be lived by component outstanding on positive bus 4 and magnetite 7 positive bus 4, the stability of battery core in battery pack is strengthened, after battery core positive pole has been assembled, further positive pole is clamped with magnetite 7, reduce contact resistance further; Clamped by bus-bar by conflux disk 8 and pole 9 and screw 10, with the component of embedded copper screwed hole on conflux disk 8, pole 9 and positive bus 4 or negative bus-bar 2 clamp by screw 10, reduce contact resistance.Pole 9 has screwed hole, facilitates battery pack connection in series-parallel to form the more high-tension battery pack of more high power capacity.
Claims (5)
1. exempt from the safe flash chamber of spot welding cylindrical lithium battery, comprise battery case (12), it is characterized in that: be provided with the battery module that negative bus-bar (2), positive bus (4) and cylinder lithium cell (6) are combined in battery case (12), battery cover (11) is installed outside battery case (12).
2. according to claim 1ly exempt from the safe flash chamber of spot welding cylindrical lithium battery, it is characterized in that: described negative bus-bar (2) surface band is porose, negative bus-bar (2) surface is provided with negative pole and confluxes cap (3), negative pole confluxes in cap (3) and is provided with negative pole water conservancy diversion jump ring (1), negative bus-bar (2) is with bending edges, described positive bus (4) surface band is porose and firmly grasp component, positive bus (4), with bending edges, is provided with cylinder lithium cell (6) between positive bus (4) and negative bus-bar (2).
3. that states according to claim 2 exempts from the safe flash chamber of spot welding cylindrical lithium battery, it is characterized in that: described promptly component is four and blocks a shot the coupler body coordinated with cylinder lithium cell (6) positive pole, the position of each promptly component in positive bus (4) outside is provided with magnetite (7), and magnetite (7) is disc.
4. that states according to claim 3 exempts from the safe flash chamber of spot welding cylindrical lithium battery, it is characterized in that: the bending edges of described positive bus (4) and the bending edges of negative bus-bar (2) are respectively arranged with screw, positive bus (4) is provided with bus-bar (8) with the inner side of negative bus-bar (2), (8) are provided with screw to bus-bar, screw on bus-bar (8) is corresponding with the screwed hole on bending edges, and the bending edges of negative bus-bar (2) and the bending edges of positive bus (4) are provided with pole (9) respectively by screw.
5. that states according to claim 4 exempts from the safe flash chamber of spot welding cylindrical lithium battery, it is characterized in that: the reed of described negative pole water conservancy diversion jump ring (1) bends to the inside, and negative pole water conservancy diversion jump ring (1) surface is provided with elongate holes; Described pole (9) is made for brass material.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510972490.6A CN105470416B (en) | 2015-12-23 | 2015-12-23 | Exempt from the safe flash chamber of spot welding cylindrical lithium battery |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510972490.6A CN105470416B (en) | 2015-12-23 | 2015-12-23 | Exempt from the safe flash chamber of spot welding cylindrical lithium battery |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN105470416A true CN105470416A (en) | 2016-04-06 |
| CN105470416B CN105470416B (en) | 2017-10-13 |
Family
ID=55607921
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510972490.6A Active CN105470416B (en) | 2015-12-23 | 2015-12-23 | Exempt from the safe flash chamber of spot welding cylindrical lithium battery |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN105470416B (en) |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105977436A (en) * | 2016-06-29 | 2016-09-28 | 深圳市国创动力系统有限公司 | Battery pack output end connector |
| CN106654095A (en) * | 2016-12-06 | 2017-05-10 | 深圳市沃特玛电池有限公司 | Battery module |
| CN106784563A (en) * | 2016-12-24 | 2017-05-31 | 东莞市卓安精机自动化设备有限公司 | A kind of lithium battery module bus-bar attachment structure |
| WO2019001303A1 (en) * | 2017-06-30 | 2019-01-03 | 苏州安靠电源有限公司 | Lithium ion battery module and large-capacity lithium ion battery |
| CN111971839A (en) * | 2017-09-12 | 2020-11-20 | 重庆金康新能源汽车有限公司 | Electric vehicle battery current collector |
| CN112968237A (en) * | 2021-01-20 | 2021-06-15 | 山东精工电源科技有限公司 | Anti-theft lithium battery |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2006100146A (en) * | 2004-09-30 | 2006-04-13 | Sanyo Electric Co Ltd | Pack battery |
| JP2006331957A (en) * | 2005-05-27 | 2006-12-07 | Sanyo Electric Co Ltd | Power supply |
| CN203445178U (en) * | 2013-08-30 | 2014-02-19 | 山东神工海特电子科技有限公司 | Power lithium ion battery pack |
| CN203617356U (en) * | 2013-12-02 | 2014-05-28 | 山东精工电子科技有限公司 | Lithium ion module battery |
-
2015
- 2015-12-23 CN CN201510972490.6A patent/CN105470416B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2006100146A (en) * | 2004-09-30 | 2006-04-13 | Sanyo Electric Co Ltd | Pack battery |
| JP2006331957A (en) * | 2005-05-27 | 2006-12-07 | Sanyo Electric Co Ltd | Power supply |
| CN203445178U (en) * | 2013-08-30 | 2014-02-19 | 山东神工海特电子科技有限公司 | Power lithium ion battery pack |
| CN203617356U (en) * | 2013-12-02 | 2014-05-28 | 山东精工电子科技有限公司 | Lithium ion module battery |
Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105977436A (en) * | 2016-06-29 | 2016-09-28 | 深圳市国创动力系统有限公司 | Battery pack output end connector |
| CN105977436B (en) * | 2016-06-29 | 2018-08-03 | 深圳市国创动力系统有限公司 | Battery pack exports end connection |
| CN106654095A (en) * | 2016-12-06 | 2017-05-10 | 深圳市沃特玛电池有限公司 | Battery module |
| CN106784563A (en) * | 2016-12-24 | 2017-05-31 | 东莞市卓安精机自动化设备有限公司 | A kind of lithium battery module bus-bar attachment structure |
| CN106784563B (en) * | 2016-12-24 | 2023-07-07 | 东莞市卓安精机自动化设备有限公司 | Lithium battery module busbar connection structure |
| WO2019001303A1 (en) * | 2017-06-30 | 2019-01-03 | 苏州安靠电源有限公司 | Lithium ion battery module and large-capacity lithium ion battery |
| CN111971839A (en) * | 2017-09-12 | 2020-11-20 | 重庆金康新能源汽车有限公司 | Electric vehicle battery current collector |
| CN111971839B (en) * | 2017-09-12 | 2022-09-13 | 重庆金康新能源汽车有限公司 | Electric vehicle battery current collector |
| CN112968237A (en) * | 2021-01-20 | 2021-06-15 | 山东精工电源科技有限公司 | Anti-theft lithium battery |
Also Published As
| Publication number | Publication date |
|---|---|
| CN105470416B (en) | 2017-10-13 |
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Address after: 277800 No. x6699, Guangming Road, high tech Zone, Zaozhuang City, Shandong Province (north of the junction of Guangming Road and Huaxin Road) Patentee after: Shandong Jinggong Electronic Technology Co.,Ltd. Address before: 277000 Haite Electronics Group, Fuyuan 5th Road, Thailand Industrial Park, High tech Zone, Zaozhuang City, Shandong Province Patentee before: Shandong Seiko Electronic Technology Co.,Ltd. |