CN204257740U - A kind of cylinder type lithium battery installing protective circuit additional - Google Patents
A kind of cylinder type lithium battery installing protective circuit additional Download PDFInfo
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- CN204257740U CN204257740U CN201420779301.4U CN201420779301U CN204257740U CN 204257740 U CN204257740 U CN 204257740U CN 201420779301 U CN201420779301 U CN 201420779301U CN 204257740 U CN204257740 U CN 204257740U
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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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Abstract
The utility model discloses a kind of cylinder type lithium battery installing protective circuit additional; comprise cylindrical battery core, the circular protective circuit plate be electrically connected with battery core and the cylinder ring supporting protective circuit plate; protective circuit plate is provided with one of circuit element and is located on the end face of cylinder ring facing to battery core one end face; the internal diameter of cylinder ring is less than the diameter of protective circuit plate, and the height of cylinder ring is that the circuit element of protective circuit plate is suspended from battery core one end face.Protective circuit plate towards cylindrical battery core one end face is supported by cylinder ring and makes the circuit element of protective circuit plate be suspended from cylindrical battery core one end face by the utility model; protective circuit plate or battery core can be avoided to be out of shape due to External Force Acting; in addition; when overcharging, cross put, overcurrent, short circuit, the fault such as high temperature time; thermal diffusivity is better; can avoid causing because of expanded by heating the circuit element of protective circuit plate with battery core face deformation or directly contacting, improve the fail safe in use procedure.
Description
Technical field
The utility model relates to field of lithium, particularly relates to a kind of cylinder type lithium battery installing protective circuit additional.
Background technology
Lithium battery has high-energy-density with it, has extended cycle life, environmental protection, the many merits such as lightweight, be widely used on portable digital equipment, such as mobile phone, digital vedio recording equipment, portable computer, lighting apparatus etc., and extensive use main equipment aspect, such as electric automobile, electric tool, industrial equipment, energy storing and electricity generating etc., and replace the batteries such as NI-G, plumbic acid, ni-mh gradually.
Because existing cell self does not possess defencive function, for ensureing that safe handling must increase protective circuit, install protective circuit additional and mainly take following methods, be mounted on charging device or use equipment on the one hand, the significant deficiency of this mode is because misoperation (having used unaccommodated charger, battery from situations such as power consumption equipment take out) easily causes battery to scrap, even on fire, blast; Be on the other hand that protective circuit is installed on battery body, but carry some material accessories due to needs, cause battery volume to become large, cause to use on the equipment of narrow space.The existing method installing protective circuit additional can cause the safety in utilization of lithium battery to reduce, and causes to client the loss that higher cost is even larger.
Therefore, how improving fail safe when lithium battery uses further, is the problem that industry needs solution badly.
Utility model content
The purpose of this utility model is to overcome the above problems, and the utility model provides a kind of cylinder type lithium battery installing protective circuit additional, to improve fail safe when lithium battery uses.
To achieve these goals, the utility model is by the following technical solutions:
A kind of cylinder type lithium battery installing protective circuit additional; comprise cylindrical battery core, the circular protective circuit plate be electrically connected with battery core and the cylinder ring supporting protective circuit plate; protective circuit plate is provided with one of circuit element and is located on the end face of cylinder ring facing to battery core one end face; the internal diameter of cylinder ring is less than the diameter of protective circuit plate, and the height of cylinder ring is that the circuit element of protective circuit plate is suspended from battery core one end face.
Further setting, the one side that protective circuit plate is provided with circuit element is connected with battery core one end face by five metals shell fragment.
The beneficial effects of the utility model are:
On the one hand, protective circuit plate towards cylindrical battery core one end face is supported by cylinder ring and makes the circuit element of protective circuit plate be suspended from cylindrical battery core one end face, protective circuit plate or battery core can be avoided like this due to External Force Acting, the circuit element of protective circuit plate is caused directly to contact with battery core positive pole and be out of shape, to ensure protective circuit plate, in addition, when overcharging, cross and put, overcurrent, short circuit, during the faults such as high temperature, thermal diffusivity is better, can avoid causing because of expanded by heating the circuit element of protective circuit plate with battery core face deformation or directly contacting, thus the fail safe in raising use procedure.
On the other hand, the effect of electric connection is not only played in the setting of metal clips, also can support protective circuit plate to a certain extent simultaneously, improves the fail safe in use procedure further.
Accompanying drawing explanation
Fig. 1 is structural representation of the present utility model.
Description of reference numerals:
Positive electrode cap 1, circular gasket 2, protective circuit plate 3, five metals shell fragment 4, five metals ring 5, round insulation pad 6, circular five metals cap 7, battery core 8, negative pole five metals disk 9.
Embodiment
Below in conjunction with accompanying drawing, the utility model is described in further detail.
As shown in Figure 1; a kind of cylinder type lithium battery installing protective circuit additional that the utility model proposes; comprise cylindrical battery core 8; the circular protective circuit plate 3 be electrically connected with this battery core 8 and the cylinder ring 5 supporting protective circuit plate 3; this protective circuit plate 3 is provided with one of circuit element and is located on the end face of cylinder ring 5 facing to battery core 8 one end face; the internal diameter of cylinder ring 5 is less than the diameter of protective circuit plate 3, and the height of cylinder ring 5 is that the circuit element of protective circuit plate 3 is suspended from battery core 8 one end face.In the present embodiment, to be supported by cylinder ring 5 towards the protective circuit plate 3 of cylindrical battery core 8 one end face and make the circuit element of protective circuit plate be suspended from cylindrical battery core 8 one end face, when External Force Acting, the circuit element of protective circuit plate 3 can be avoided directly directly to contact with battery core 8 or other things and be out of shape, improve the fail safe in battery use procedure; In addition; when overcharging, cross put, overcurrent, short circuit, the fault such as high temperature time; can efficiently radiates heat; also protective circuit plate 3 or battery core 8 expanded by heating can be avoided to cause the circuit element of protective circuit plate 3 with battery core 8 face deformation or directly contact, improve the fail safe in use procedure further.
In one embodiment, the one side that protective circuit plate 3 is provided with circuit element is connected with battery core 8 one end face by five metals shell fragment 4.The effect connecting protective circuit plate 3 and be connected with battery core 8 positive pole is not only played in the setting of five metals shell fragment 4, meanwhile, utilizes the elastic force of five metals shell fragment 4 can also support protective circuit plate 3 further.
In the above-described embodiments; protective circuit plate 3 is provided with one of circuit element facing to the positive pole of battery core 8, and another side is connected with positive electrode cap 1, as cathode output end; protective circuit plate 3 is located in circular five metals cap 7, and is connected with battery core 8 negative pole by circular five metals cap 7.Circular five metals cap 7 can not only fix protective circuit plate 3, can also play the effect that protective circuit plate 3 is connected with battery core 8 negative pole.
In one embodiment, protective circuit plate 3 periphery circle is provided with metal cladding, and this metal cladding is connected with battery core 8 negative pole by circular five metals cap 7.The metal cladding that the excircle of protective circuit plate 3 is arranged can guarantee that protective circuit plate 3 is connected well with circular five metals cap 7, ensures the stability of use procedure.
In one embodiment, cylinder ring 5 is set to five metals cylinder ring, in cylinder ring 5, be also provided with round insulation pad 6.Five metals shell fragment 4 and cylinder ring 5 are kept apart with the circuit element on protective circuit plate 3 by this insulation spacer 6 respectively.
In one embodiment; protective circuit plate 3 is provided with at least one in additives for overcharge protection circuit, over-discharge protection circuit, circuit overcurrent protection, short-circuit protection circuit and temperature protection circuit, can arrange according to running parameter reasonably overcharge, cross put, overcurrent, short circuit, temperature protection function.
In one embodiment, the diameter of protective circuit plate 3 is identical with the diameter of battery core 8, makes whole battery size consistent.
In one embodiment, the material selection EVA of round insulation pad 6, insulation property are better.
In one embodiment, circular five metals cap 7 is also provided with circular gasket 2, circular five metals cap 7 and protective circuit plate 3 can be fixed.
Circular five metals cap 7, battery core 8, circular gasket 2 and negative pole five metals disk 9 are encapsulated in heat-shrinkable T bush, the cylindrical lithium battery installing protective circuit additional that formation one is complete like this.The cylindrical lithium battery overall dimension installing protective circuit plate additional of the present utility model at utmost reduces the change to cylindrical cell; diameter merely add 0.3mm; length merely add 3.5mm; by positive electrode cap 1, circular gasket 2, protective circuit plate 3, positive pole five metals shell fragment 4, five metals ring 5, round insulation pad 6, circular five metals cap 7, negative pole five metals disk 8; make the cylindrical lithium battery that namely corresponding change is applicable to different size, expand its application.
Protective circuit plate 3 towards cylindrical battery core 8 one end face is supported by cylinder ring 5 and makes the circuit element of protective circuit plate 3 be suspended from cylindrical battery core 8 one end face by the utility model on the one hand, protective circuit plate 3 or battery core 8 can be avoided like this due to External Force Acting, the circuit element of protective circuit plate 3 is caused directly to contact with battery core 8 positive pole and be out of shape, to ensure protective circuit plate 3, in addition, when overcharging, cross and put, overcurrent, short circuit, during the faults such as high temperature, good heat dispersion performance, can avoid causing because of expanded by heating the circuit element of protective circuit plate 3 with battery core 8 face deformation or directly contacting, thus the fail safe in raising use procedure, on the other hand, the effect of electric connection is not only played in the setting of metal clips 4, also can support protective circuit plate 3 to a certain extent simultaneously, improves the fail safe in use procedure further.In addition, the utility model maintains the contour structures of cylindrical lithium battery, the impact of contour structures is dropped to minimum, still keep one end positive pole, one end negative pole, meets the requirement of replacing primary cell, can be widely used in the use occasion of some primary cells, extend the range of application of cylindrical lithium battery greatly, as the application on flashlight.
The above is preferred implementation of the present utility model; but can not as protection range of the present utility model; every equivalence change of making according to the design spirit in the utility model or to modify or geometric ratio zooms in or out, all should think and fall into protection range of the present utility model.
Claims (9)
1. one kind installs the cylinder type lithium battery of protective circuit additional, it is characterized in that: comprise cylindrical battery core (8), the circular protective circuit plate (3) be electrically connected with battery core (8) and the cylinder ring (5) supporting protective circuit plate (3), described protective circuit plate (3) is provided with one of circuit element and is located on the end face of cylinder ring (5) facing to battery core (8) end face, the internal diameter of described cylinder ring (5) is less than the diameter of protective circuit plate (3), the height of described cylinder ring (5) is suspended from battery core (8) end face for making the circuit element of protective circuit plate (3).
2. install the cylinder type lithium battery of protective circuit as claimed in claim 1 additional, it is characterized in that: the one side that described protective circuit plate (3) is provided with circuit element is connected with battery core (8) end face by five metals shell fragment (4).
3. install the cylinder type lithium battery of protective circuit as claimed in claim 1 or 2 additional; it is characterized in that: also comprise positive electrode cap (1), circular five metals cap (7) and be located at the negative pole five metals disk (9) of battery core (8) negative pole; described protective circuit plate (3) is provided with one of circuit element facing to the positive pole of battery core (8); another side is connected with positive electrode cap (1); as cathode output end; described protective circuit plate (3) is located in circular five metals cap (7), and is connected with battery core (8) negative pole by circular five metals cap (7).
4. install the cylinder type lithium battery of protective circuit as claimed in claim 3 additional; it is characterized in that: described protective circuit plate (3) excircle is provided with metal cladding, and this metal cladding is connected with battery core (8) negative pole by circular five metals cap (7).
5. install the cylinder type lithium battery of protective circuit as claimed in claim 1 additional, it is characterized in that: described cylinder ring (5) is five metals cylinder ring, in described cylinder ring (5), be provided with round insulation pad (6).
6. install the cylinder type lithium battery of protective circuit as claimed in claim 1 additional, it is characterized in that: described protective circuit plate (3) is provided with at least one in additives for overcharge protection circuit, over-discharge protection circuit, circuit overcurrent protection, short-circuit protection circuit and temperature protection circuit.
7. install the cylinder type lithium battery of protective circuit as claimed in claim 1 additional, it is characterized in that: the diameter of described protective circuit plate (3) is identical with the diameter of battery core (8).
8. install the cylinder type lithium battery of protective circuit as claimed in claim 3 additional, it is characterized in that: described circular five metals cap (7) is also provided with circular gasket (2).
9. install the cylinder type lithium battery of protective circuit as claimed in claim 8 additional, it is characterized in that: described circular five metals cap (7), battery core (8), circular gasket (2) and negative pole five metals disk (9) are packaged in heat-shrinkable T bush.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420779301.4U CN204257740U (en) | 2014-12-11 | 2014-12-11 | A kind of cylinder type lithium battery installing protective circuit additional |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420779301.4U CN204257740U (en) | 2014-12-11 | 2014-12-11 | A kind of cylinder type lithium battery installing protective circuit additional |
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| Publication Number | Publication Date |
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| CN204257740U true CN204257740U (en) | 2015-04-08 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201420779301.4U Active CN204257740U (en) | 2014-12-11 | 2014-12-11 | A kind of cylinder type lithium battery installing protective circuit additional |
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Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104934553A (en) * | 2015-06-12 | 2015-09-23 | 福建南平南孚电池有限公司 | Electrochemical secondary battery built with charging circuit |
| CN105355827A (en) * | 2015-11-02 | 2016-02-24 | 王开发 | Intelligent lithium storage battery |
| CN109119557A (en) * | 2018-07-24 | 2019-01-01 | 芜湖市金马电子信息有限责任公司 | A kind of digital product cylindrical lithium battery structure |
| CN110416484A (en) * | 2019-08-23 | 2019-11-05 | 广东顺德盛善能源科技有限公司 | A kind of steel shell battery pack |
| WO2020048079A1 (en) * | 2018-09-06 | 2020-03-12 | 厦门瑞德高能源科技有限公司 | Battery spring conducting apparatus |
| CN111755646A (en) * | 2020-01-17 | 2020-10-09 | 深圳市麦格松电气科技有限公司 | Columnar lithium ion rechargeable battery and controller thereof |
| CN111786037A (en) * | 2020-01-17 | 2020-10-16 | 深圳市麦格松电气科技有限公司 | Columnar battery and controller thereof |
| CN111816933A (en) * | 2020-01-17 | 2020-10-23 | 深圳市麦格松电气科技有限公司 | Battery controller and rechargeable battery |
-
2014
- 2014-12-11 CN CN201420779301.4U patent/CN204257740U/en active Active
Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104934553A (en) * | 2015-06-12 | 2015-09-23 | 福建南平南孚电池有限公司 | Electrochemical secondary battery built with charging circuit |
| CN105355827A (en) * | 2015-11-02 | 2016-02-24 | 王开发 | Intelligent lithium storage battery |
| CN109119557A (en) * | 2018-07-24 | 2019-01-01 | 芜湖市金马电子信息有限责任公司 | A kind of digital product cylindrical lithium battery structure |
| CN109119557B (en) * | 2018-07-24 | 2021-09-03 | 安徽匠桥财务咨询服务有限公司 | Cylindrical lithium battery structure for digital product |
| WO2020048079A1 (en) * | 2018-09-06 | 2020-03-12 | 厦门瑞德高能源科技有限公司 | Battery spring conducting apparatus |
| CN110416484A (en) * | 2019-08-23 | 2019-11-05 | 广东顺德盛善能源科技有限公司 | A kind of steel shell battery pack |
| CN111755646A (en) * | 2020-01-17 | 2020-10-09 | 深圳市麦格松电气科技有限公司 | Columnar lithium ion rechargeable battery and controller thereof |
| CN111786037A (en) * | 2020-01-17 | 2020-10-16 | 深圳市麦格松电气科技有限公司 | Columnar battery and controller thereof |
| CN111816933A (en) * | 2020-01-17 | 2020-10-23 | 深圳市麦格松电气科技有限公司 | Battery controller and rechargeable battery |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant |