CN103682488A - Cylindrical lithium battery with protective function - Google Patents
Cylindrical lithium battery with protective function Download PDFInfo
- Publication number
- CN103682488A CN103682488A CN201310722955.3A CN201310722955A CN103682488A CN 103682488 A CN103682488 A CN 103682488A CN 201310722955 A CN201310722955 A CN 201310722955A CN 103682488 A CN103682488 A CN 103682488A
- Authority
- CN
- China
- Prior art keywords
- lithium battery
- battery
- protective circuit
- cylindrical single
- single 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.)
- Pending
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Classifications
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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
- H01M10/00—Secondary cells; Manufacture thereof
- H01M10/42—Methods or arrangements for servicing or maintenance of secondary cells or secondary half-cells
- H01M10/425—Structural combination with electronic components, e.g. electronic circuits integrated to the outside of the casing
-
- 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
- H01M10/42—Methods or arrangements for servicing or maintenance of secondary cells or secondary half-cells
- H01M10/425—Structural combination with electronic components, e.g. electronic circuits integrated to the outside of the casing
- H01M2010/4271—Battery management systems including electronic circuits, e.g. control of current or voltage to keep battery in healthy state, cell balancing
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M2220/00—Batteries for particular applications
- H01M2220/20—Batteries in motive systems, e.g. vehicle, ship, plane
-
- 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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- Engineering & Computer Science (AREA)
- Microelectronics & Electronic Packaging (AREA)
- Manufacturing & Machinery (AREA)
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Electrochemistry (AREA)
- General Chemical & Material Sciences (AREA)
- Secondary Cells (AREA)
- Connection Of Batteries Or Terminals (AREA)
Abstract
The invention discloses a cylindrical lithium battery with a protective function and aims to improve the using safety and reduce the using cost of the lithium battery. The cylindrical lithium battery comprises a cylindrical single lithium battery, a circular protective circuit board, a circular insulating gasket, an anode battery cap and a heat-shrinkable tubing, wherein the diameter of the circular protective circuit board is the same as that of the cylindrical single lithium battery; a piece is arranged on one surface of the circular protective circuit board, and the other surface of the circular protective circuit board adopts a cathode output end; at least one of a short-circuit protection circuit, an overcharge protection circuit, an over discharge protection circuit and an overcurrent protection circuit is arranged on the circular protective circuit board; the circular protective circuit board is connected with the anode and the cathode of the cylindrical single lithium battery through a nickel strap; the circular insulating gasket is arranged between one side of the circular insulating gasket, on which the piece is arranged, and the cathode end face of the cylindrical single lithium battery; the anode battery cap is arranged on the anode end face of the cylindrical single lithium battery in a spot welding manner; the circular insulating gasket is mounted on the anode battery cap; the external of the complete battery is packaged by the heat-shrinkable tubing. According to the invention, as the protection circuits are added, the using safety is improved.
Description
Technical field
The present invention relates to technical field of lithium batteries, particularly relate to a kind of cylinder type lithium battery with defencive function.
Background technology
Lithium ion battery has the advantages such as voltage is high, specific energy is high, recycle often, memory time is long, not only on portable electric appts as mobile phone, Digital Video and laptop computer are used widely, and be widely used in the big-and-middle-sized electrical equipment aspects such as electric automobile, electric bicycle and electric tool.
Due to the design of existing monomer lithium ion battery self structure, at present, monomer lithium ion battery self does not have defencive function, just at charging device or be provided with on use equipment accordingly overcharge, cross put, the protective circuit such as overcurrent, short circuit.When some narrow and small power supply headspaces are used, easily because misoperation causes scrapping of lithium ion battery.Because the energy of lithium battery is high, price is high, and the waste battery due to misoperation causes loss economically to user.Reduce the fail safe that lithium ion battery is used, increased user's use cost.
Summary of the invention
The object of the invention is for the technological deficiency existing in prior art, and a kind of cylinder type lithium battery with defencive function is provided, the fail safe of using to improve lithium ion battery, reduces use cost.
For realizing the technical scheme that object of the present invention adopts, be:
A kind of cylinder type lithium battery with defencive function, comprise cylindrical single lithium battery, circular protective circuit plate, round insulation pad, positive battery cap, round insulation packing ring, the heat-shrinkable T bush identical with described cylindrical single lithium battery diameter, described circular protective circuit plate facecloth part, another side is cathode output end, on described circular protective circuit plate, be provided with short-circuit protection circuit, overcharge protection circuit, over-discharge protection circuit, at least one in current foldback circuit, described circular protective circuit plate is connected with negative pole with the positive pole of described cylindrical single lithium battery by nickel strap, between the one side of described circular protective circuit plate cloth part and the negative pole end face of described cylindrical single lithium battery, described round insulation pad is installed, on the anodal end face of described cylindrical single lithium battery, spot welding has described positive battery cap, on described positive electrode cap, paste described round insulation packing ring, described heat-shrinkable T bush is packaged in by described cylindrical single lithium battery, described circular protective circuit plate, the outside of the complete battery that described positive battery cap and described nickel strap and described round insulation packing ring form.
Compared with prior art, the invention has the beneficial effects as follows:
1, cylinder type lithium battery of the present invention has increased protective circuit on circular cell, this protective circuit plate is designed to consistent with cell diameter, facecloth part, another side is the form of cathode output end, can rational short circuit be set according to running parameter, overcharge, cross and put, overcurrent protection function, by nickel strap, be connected with the both positive and negative polarity of cell again, with being affixed on after round insulation beaded insulation on the negative pole end face of cell, the short circuit occurring when the improper uses such as misoperation, overcharge, cross and put, baffle action under overcurrent condition, battery quits work, after proper operation, battery can be resumed work, and not affecting secondary uses, can avoid because the battery that misoperation causes is scrapped, improved safety in utilization, reduced user's use cost.
2, battery appearance of the present invention is small and exquisite, little with cell size difference, the environment for use that can replace some primary cells.
Accompanying drawing explanation
Figure 1 shows that a kind of cylinder type lithium battery schematic diagram with defencive function of the present invention.
In figure: 1. nickel strap, 2. circular protective circuit plate, 3. round insulation pad, 4. cylindrical single lithium battery, 5. heat-shrinkable T bush, 6. positive battery cap, 7. insulating washer.
Embodiment
Below in conjunction with the drawings and specific embodiments, the present invention is described in further detail.
Figure 1 shows that a kind of cylinder type lithium battery schematic diagram with defencive function of the present invention, comprise cylindrical single lithium battery 4, circular protective circuit plate 2, round insulation pad 3, positive battery cap 6, round insulation packing ring 7, the heat-shrinkable T bush 5 identical with described cylindrical single lithium battery 4 diameters.Cell is selected applicable model according to use occasion.Described circular protective circuit plate 2 facecloth parts, another side is cathode output end.On described circular protective circuit plate 2, be provided with at least one in short-circuit protection circuit, overcharge protection circuit, over-discharge protection circuit, current foldback circuit, can rational short circuit be set according to running parameter, overcharge, cross put, overcurrent protection function.Described circular protective circuit plate 2 is connected with negative pole with the positive pole of described cylindrical single lithium battery 4 by nickel strap 1, between the one side of described circular protective circuit plate 2 cloth parts and the negative pole end face of described cylindrical single lithium battery 4, described round insulation pad 3 is installed, on the anodal end face of described cylindrical single lithium battery 2, spot welding has described positive battery cap 6, on described positive electrode cap, paste described round insulation packing ring, described heat-shrinkable T bush 5 is packaged in by described cylindrical single lithium battery 4, described circular protective circuit plate 2, described positive battery cap 6, the outside of the complete battery of described nickel strap 1 composition and described round insulation packing ring 7.Can be according to battery applications occasion needs, design is the battery cap of height suitably.On heat-shrinkable T bush, can spray as required code number, the information such as label.
The cylinder type lithium battery overall dimension with defencive function of the present invention slightly changes, and than original single lithium battery diameter, increases 0.6mm, and length increases 3.5mm.
Battery is in assembling process; first the B+ of circular protective circuit plate 2, B-end is drawn to nickel strap 1; on circular protective circuit plate, paste round insulation pad 3; nickel strap 1 is welded in respectively on the positive pole and negative pole of cylindrical single lithium battery 4; again positive battery cap is spoted weld on the positive pole of cylindrical single lithium battery, finally with heat-shrinkable T bush by the complete cell package being formed by described cylindrical single lithium battery 4, described circular protective circuit plate 2, described positive battery cap 6 and nickel strap 1.
In the cylinder type lithium battery with defencive function of the present invention, the size of cylindrical protective circuit board and parameter-embedded and height positive battery cap can be adjusted according to the size of usage space, all applicable to the circular batteries of different size.The short circuit occurring when the improper uses such as misoperation, overcharge, cross put, baffle action under overcurrent condition; battery quits work; after proper operation, battery can be resumed work; and not affecting secondary uses; can avoid because the battery that misoperation causes is scrapped; improve safety in utilization, reduced user's use cost.
The above is only the preferred embodiment of the present invention; it should be pointed out that for those skilled in the art, under the premise without departing from the principles of the invention; can also make some improvements and modifications, these improvements and modifications also should be considered as protection scope of the present invention.
Claims (1)
1. a cylinder type lithium battery with defencive function, it is characterized in that, comprise cylindrical single lithium battery, circular protective circuit plate, round insulation pad, positive battery cap, round insulation packing ring, the heat-shrinkable T bush identical with described cylindrical single lithium battery diameter, described circular protective circuit plate facecloth part, another side is cathode output end, on described circular protective circuit plate, be provided with short-circuit protection circuit, overcharge protection circuit, over-discharge protection circuit, at least one in current foldback circuit, described circular protective circuit plate is connected with negative pole with the positive pole of described cylindrical single lithium battery by nickel strap, between the one side of described circular protective circuit plate cloth part and the negative pole end face of described cylindrical single lithium battery, described round insulation pad is installed, on the anodal end face of described cylindrical single lithium battery, spot welding has described positive battery cap, on described positive electrode cap, paste described round insulation packing ring, described heat-shrinkable T bush is packaged in by described cylindrical single lithium battery, described circular protective circuit plate, the outside of the complete battery that described positive battery cap and described nickel strap and described round insulation packing ring form.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310722955.3A CN103682488A (en) | 2013-12-17 | 2013-12-17 | Cylindrical lithium battery with protective function |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310722955.3A CN103682488A (en) | 2013-12-17 | 2013-12-17 | Cylindrical lithium battery with protective function |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN103682488A true CN103682488A (en) | 2014-03-26 |
Family
ID=50319287
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201310722955.3A Pending CN103682488A (en) | 2013-12-17 | 2013-12-17 | Cylindrical lithium battery with protective function |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN103682488A (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104953168A (en) * | 2015-05-14 | 2015-09-30 | 浙江汇能锂电科技有限公司 | Lithium ion battery |
| CN105355827A (en) * | 2015-11-02 | 2016-02-24 | 王开发 | Intelligent lithium storage battery |
| CN111653695A (en) * | 2020-05-29 | 2020-09-11 | 郑棚 | Lithium battery refitted constant-voltage output standard lithium rechargeable battery and production method thereof |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2881982Y (en) * | 2006-03-07 | 2007-03-21 | 深圳市迈乐数码科技有限公司 | Cylindrical lithium battery |
| CN101604764A (en) * | 2009-07-08 | 2009-12-16 | 上海德朗能电池有限公司 | A kind of lithium battery that protective circuit is built into battery cap inside |
| KR101023149B1 (en) * | 2009-02-26 | 2011-03-18 | 주식회사 비츠로셀 | lithium battery with protecting circuit |
| CN201966289U (en) * | 2010-12-17 | 2011-09-07 | 匡明 | Rechargeable lithium ion battery |
-
2013
- 2013-12-17 CN CN201310722955.3A patent/CN103682488A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2881982Y (en) * | 2006-03-07 | 2007-03-21 | 深圳市迈乐数码科技有限公司 | Cylindrical lithium battery |
| KR101023149B1 (en) * | 2009-02-26 | 2011-03-18 | 주식회사 비츠로셀 | lithium battery with protecting circuit |
| CN101604764A (en) * | 2009-07-08 | 2009-12-16 | 上海德朗能电池有限公司 | A kind of lithium battery that protective circuit is built into battery cap inside |
| CN201966289U (en) * | 2010-12-17 | 2011-09-07 | 匡明 | Rechargeable lithium ion battery |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104953168A (en) * | 2015-05-14 | 2015-09-30 | 浙江汇能锂电科技有限公司 | Lithium ion battery |
| CN105355827A (en) * | 2015-11-02 | 2016-02-24 | 王开发 | Intelligent lithium storage battery |
| CN111653695A (en) * | 2020-05-29 | 2020-09-11 | 郑棚 | Lithium battery refitted constant-voltage output standard lithium rechargeable battery and production method thereof |
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| PB01 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C02 | Deemed withdrawal of patent application after publication (patent law 2001) | ||
| WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20140326 |