CN2881982Y - Cylindrical lithium battery - Google Patents
Cylindrical lithium battery Download PDFInfo
- Publication number
- CN2881982Y CN2881982Y CNU2006200561168U CN200620056116U CN2881982Y CN 2881982 Y CN2881982 Y CN 2881982Y CN U2006200561168 U CNU2006200561168 U CN U2006200561168U CN 200620056116 U CN200620056116 U CN 200620056116U CN 2881982 Y CN2881982 Y CN 2881982Y
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- CN
- China
- Prior art keywords
- negative pole
- contact chip
- lithium battery
- 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.)
- Expired - Fee Related
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E60/00—Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
- Y02E60/10—Energy storage using batteries
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- 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
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P70/00—Climate change mitigation technologies in the production process for final industrial or consumer products
- Y02P70/50—Manufacturing or production processes characterised by the final manufactured product
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- Connection Of Batteries Or Terminals (AREA)
- Secondary Cells (AREA)
Abstract
The utility model provides a cylindrical lithium cell and in particular relates to a 18650 lithium cell. The cell comprises a cylindrical 18650 lithium cell. The bottom end of the lithium cell (1) is provided with a positive pole contact piece (2) and an insulation circular piece (3). Another end of the lithium cell is provided in sequence an insulation piece (4), an insulation ring (5), a protective board (6) with a protective circuit and a negative pole contact piece (7). A positive pole connecting piece (8) is provided, one end of which is electrically connected with the positive pole contact piece, and another end is connected with the positive-pole output end of the protective circuit. A negative pole connecting piece (9) is provided, one end of which is connected with the negative pole of the protective circuit, and another end is connected with the negative pole of the lithium cell. An insulation protective layer (10) is provided, which wraps above mentioned parts into an integral body. The two ends of the protective layer (10) are provided with openings, in which the positive pole contact piece (2) and the negative pole contact piece (7) are located. The utility model improves the outer packaging structure of 18650 lithium cells. The improved structure is simple, so that 18650 lithium cells can be used on digital electronics like ordinary alkaline dry cells.
Description
Technical field
The utility model relates to columned lithium battery, particularly 18650 type lithium batteries.
Background technology
At existing 18650 lithium-ion electric cores are the industrial lithium ion battery cells of column type, and it is widely used in digital electronic goods such as notebook computer, mobile DVD.When being applied in series products such as notebook computer and mobile DVD, all adopt 18650 lithium-ion electric core more piece connection in series-parallel to use in the past.When existing 18650 lithium-ion electric cores use on mobile device because electric core external form characteristics and functional specification; can only be built in the middle of the product; and use power supply line is connected with protective circuit plate (pcb board) or connection in series-parallel adopts the power supply contact flat spring to be connected with pcb board as battery modules afterwards; the former can not change battery easily and disassemble; the use of can not charging at any time when being not suitable for remote travel, the latter is bulky and add that encapsulation behind the li-ion cell protection plate is subjected to the restriction of external form and volume.
Summary of the invention
The purpose of this utility model is to provide a kind of cylindric lithium battery of being convenient to use of 18650 types on electronic equipment.
The purpose of this utility model can realize like this, design a kind of cylindric lithium battery, comprise columned 18650 lithium batteries, the positive terminal of described lithium battery is provided with an anodal contact chip, anodal contact chip is connected with the positive electrical of lithium battery, and the insulation ring plate is enclosed within on the anodal contact chip; The negative pole end of lithium battery sets gradually an insulating trip, dead ring, the baffle that is provided with protective circuit and negative pole contact chip, and the negative pole contact chip is electrically connected with the cathode output end of baffle; One positive strap is set, and an end of positive strap is electrically connected with anodal contact chip, and the other end is connected with the protective circuit electrode input end; One negative pole brace is set, and an end of negative pole brace is connected with the negative electricity of protective circuit, and the other end is connected with the negative pole of lithium battery; Be provided with insulating protective layer, it is an integral body that this protective layer wraps up above-mentioned parts, and the protective layer two ends are provided with opening, and anodal contact chip and negative pole contact chip are arranged on opening part.
The utility model improves the outer package structure of 18650 type lithium batteries, and is improved simple in structure, and 18650 type lithium batteries can be used on electronic equipment as common alkaline dry battery.
Description of drawings
Fig. 1 is the generalized section of the utility model preferred embodiment.
Fig. 2 is a shape schematic diagram outside the utility model preferred embodiment.
Fig. 3 is the electrical schematic diagram of the utility model preferred embodiment.
Embodiment
The utility model will be further described below in conjunction with embodiment.
As shown in Figure 1 and Figure 2, a kind of cylindric lithium battery comprises columned 18650 lithium batteries 1, and the positive terminal of described lithium battery 1 is provided with an anodal contact chip 2, and anodal contact chip 2 is connected with the positive electrical of lithium battery 1, and insulation ring plate 3 is enclosed within on the anodal contact chip 2; The negative pole end of lithium battery sets gradually an insulating trip 4, dead ring 5, the baffle 6 that is provided with protective circuit and negative pole contact chip 7, and negative pole contact chip 7 is electrically connected with the cathode output end of baffle 6; One positive strap 8 is set, and an end of positive strap is with anodal contact chip or be electrically connected, and the other end is connected with the protective circuit electrode input end; One negative pole brace 9 is set, and an end of negative pole brace is connected with the negative pole of protective circuit, and the other end is connected with the negative pole of lithium battery; Be provided with insulating protective layer 10, it is an integral body that this protective layer wraps up above-mentioned parts, and the protective layer two ends are provided with opening, and anodal contact chip 2 and negative pole contact chip 7 are arranged on opening part.
As shown in Figure 1, the diameter of described baffle 6 is identical with the diameter of lithium battery 1.The design of battery protecting plate 6 has uniqueness very much, and battery protecting plate 6 shapes adopt and the identical diameter of 18650 cylindric electric cores, utilize zink rod to fix and overlap on one of them electrode of 18650 electric cores, does not influence the external form of battery cylindrical shape after the encapsulation.The diameter of baffle 6 also can be slightly less than the diameter of lithium battery 1, the diameter of baffle 6 less than the diameter of lithium battery 1 greater than the internal diameter of dead ring 5.In the present embodiment, the diameter of baffle 6 is more smaller than the diameter of lithium battery 1.Insulating trip 4 and dead ring 5 provide the space of an insulation for the electric elements of protective circuit on the baffle 6.
As shown in Figure 1, described insulating protective layer 10 is an insulating paper.Described insulating paper 10 is 0.08～0.15 millimeter a PVC insulation gummed paper.Adopt 0.01 millimeter PVC insulation gummed paper in the present embodiment.
As shown in Figure 1, be coated with insulating barrier on the shell of described lithium battery 1, positive strap 8 and negative pole brace 9 are the zink rod sheet.Positive strap 8 and negative pole brace 9 also can adopt other metallic conduction material.
As shown in Figure 1, described anodal contact chip 2 is the cap shape.Anodal contact chip 2 designs for the cap shape, is convenient to contact with anodal contact in the electric device battery box.
Among the embodiment as shown in Figure 1, the anodal contact chip 2 of a cap shape is set in the bottom of 18650 lithium batteries 1, ring-type insulating trip 3 is enclosed within on the anodal contact chip 2; The other end of 18650 lithium batteries 1, the exit at the two poles of the earth, one insulating trip 4 is set on this end face, dead ring 5 is set on insulating trip 4, baffle 6 is installed afterwards, baffle 6 is outer to be provided with, and the components and parts of baffle 6 are arranged in the insulating space that insulating trip 4 and dead ring 5 constitute, and negative pole contact chip 7 is electrically connected with cathode output end on the baffle 6; Adopt an end of the negative pole brace 9 of zink rod to be installed between the negative pole of insulating trip 4 and lithium battery 1 and be connected, walk around dead ring 5 then and be connected with negative pole incoming end on the baffle 6 with the negative electricity of lithium battery; One end of the positive strap 8 of employing zink rod is connected with the positive pole of anodal contact chip 2 or lithium battery 1 or is electrically connected, and the other end is connected with the electrode input end of baffle 6; After being installed in above-mentioned parts, with PVC insulation gummed paper 10 each parts and 18650 lithium battery cores are wrapped up the integral body of formation that tightens together, the two ends of PVC insulation gummed paper 10 are provided with opening, and anodal contact chip 2 and negative pole contact chip 7 are exposed at outside the insulation gummed paper 10.
As shown in Figure 3, resistance R 1, R2 and capacitor C 1, C2 and module U1, U2 constitute protective circuit.Overcurrent safeties F1 is set on the protective circuit.The end of overcurrent safeties F1 is connected with the negative pole of lithium battery 1, and the other end is connected with the negative input of module U1, U2.
The utility model carries out the encapsulating structure design with 18650 electric cores, after making 18650 electric cores through encapsulation, external form and common alkaline dry battery are without any difference, in the time of on being applied to mobile multimedia players such as MP3, MP4 and PMP, can be convenient for changing 18650 lithium ion batteries and disassemble as common alkaline dry battery, and can use special charger or use device charging device in multimedia player products such as MP3, MP4 and PMP to charge reuse the same very easily with other lithium batteries.The novel external form volume of this use is little, can be convenient for changing and disassemble use as common alkaline dry battery, is convenient for changing at any time.Because the continuous energy supply power of lithium battery is strong, is fit to digital electronic goods such as remote travel and MP3, MP4, PMP and uses.
Claims (8)
1, a kind of cylindric lithium battery, comprise columned 18650 lithium batteries (1), it is characterized in that: the positive terminal of described lithium battery (1) is provided with an anodal contact chip (2), and anodal contact chip (2) is connected with the positive electrical of lithium battery (1), and insulation ring plate (3) is enclosed within on the anodal contact chip (2); The negative pole end of lithium battery sets gradually an insulating trip (4), dead ring (5), is provided with the baffle (6) and the negative pole contact chip (7) of protective circuit, and negative pole contact chip (7) is electrically connected with the cathode output end of baffle (6); One positive strap (8) is set, and an end of positive strap is electrically connected with anodal contact chip, and the other end is connected with the protective circuit electrode input end; One negative pole brace (9) is set, and an end of negative pole brace is connected with the negative input of protective circuit, and the other end is connected with the negative electricity of lithium battery; Be provided with insulating protective layer (10), it is an integral body that this protective layer wraps up above-mentioned parts, and the protective layer two ends are provided with opening, and anodal contact chip (2) and negative pole contact chip (7) are arranged on opening part.
2, battery according to claim 1 is characterized in that: the diameter of described baffle (6) is identical with the diameter of lithium battery (1).
3, battery according to claim 1 is characterized in that: the diameter of described baffle (6) less than the diameter of lithium battery (1) greater than the internal diameter of dead ring (5).
4, battery according to claim 1 is characterized in that: described insulating protective layer (10) is an insulating paper.
5, battery according to claim 1 is characterized in that: be coated with insulating barrier on the shell of described lithium battery (1), positive strap (8) and negative pole brace (9) are the zink rod sheet.
6, battery according to claim 4 is characterized in that: described insulating paper (10) is 0.08～0.15 millimeter a PVC insulation gummed paper.
7, battery according to claim 1 is characterized in that: described anodal contact chip (2) is the cap shape.
8, battery according to claim 1 is characterized in that: overcurrent safeties (F1) are set on the described protective circuit.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2006200561168U CN2881982Y (en) | 2006-03-07 | 2006-03-07 | Cylindrical lithium battery |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2006200561168U CN2881982Y (en) | 2006-03-07 | 2006-03-07 | Cylindrical lithium battery |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2881982Y true CN2881982Y (en) | 2007-03-21 |
Family
ID=37881822
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNU2006200561168U Expired - Fee Related CN2881982Y (en) | 2006-03-07 | 2006-03-07 | Cylindrical lithium battery |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2881982Y (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103682488A (en) * | 2013-12-17 | 2014-03-26 | 天津力神特种电源科技有限公司 | Cylindrical lithium battery with protective function |
| CN105789718A (en) * | 2016-04-21 | 2016-07-20 | 深圳先进储能材料国家工程研究中心有限公司 | Constant-voltage output structural part and rechargeable battery employing same |
| CN105870519A (en) * | 2016-04-21 | 2016-08-17 | 深圳先进储能材料国家工程研究中心有限公司 | Constant voltage output structural member and rechargeable battery employing same |
-
2006
- 2006-03-07 CN CNU2006200561168U patent/CN2881982Y/en not_active Expired - Fee Related
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103682488A (en) * | 2013-12-17 | 2014-03-26 | 天津力神特种电源科技有限公司 | Cylindrical lithium battery with protective function |
| CN105789718A (en) * | 2016-04-21 | 2016-07-20 | 深圳先进储能材料国家工程研究中心有限公司 | Constant-voltage output structural part and rechargeable battery employing same |
| CN105870519A (en) * | 2016-04-21 | 2016-08-17 | 深圳先进储能材料国家工程研究中心有限公司 | Constant voltage output structural member and rechargeable battery employing same |
| CN105789718B (en) * | 2016-04-21 | 2018-06-22 | 深圳先进储能材料国家工程研究中心有限公司 | A kind of constant pressure export structure component and use its rechargeable battery |
| CN105870519B (en) * | 2016-04-21 | 2018-06-22 | 深圳先进储能材料国家工程研究中心有限公司 | Constant pressure export structure component and use its rechargeable battery |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C56 | Change in the name or address of the patentee |
Owner name: SHENZHEN MAILE DIGITAL TECHNOLOGY STOCK CO., LTD. Free format text: FORMER NAME: SHENZHEN MAILE DIGITAL TECHNOLOGY CO., LTD. |
|
| CP03 | Change of name, title or address |
Address after: 518033 Guangdong city of Shenzhen province Futian District Fuhua Road No. 98 Building 1 room 1803 excellence Patentee after: Shenzhen MELE Digital Technology Co., Ltd. Address before: 518033 Guangdong city of Shenzhen province Futian District Fuhua Road No. 98 building 18 floor of excellence Patentee before: Shenzhen Mele Digital Technology Ltd. |
|
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20070321 Termination date: 20140307 |