CN204834789U - Lithium ion batteries cathode materials protection device - Google Patents
Lithium ion batteries cathode materials protection device Download PDFInfo
- Publication number
- CN204834789U CN204834789U CN201520529538.1U CN201520529538U CN204834789U CN 204834789 U CN204834789 U CN 204834789U CN 201520529538 U CN201520529538 U CN 201520529538U CN 204834789 U CN204834789 U CN 204834789U
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- Prior art keywords
- lithium
- ion batteries
- anode material
- protective device
- disk
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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 lithium ion batteries cathode materials protection device, including heat -conducting plate, protection chip, overcurrent protection switch and lithium cell, the lithium cell outside is equipped with the casing, is equipped with anodal utmost point group in the casing and extremely organizes with the negative pole, and anodal utmost point group extremely organizes the upper end with the negative pole and connects the thermal insulation board, and the casing upper end is equipped with the insulation board, and connection battery cap in the middle part of the insulation board, battery cap lower extreme are equipped with the overcurrent protection switch, be equipped with temperature sensor in the anodal utmost point group, temperature sensor passes through connecting wire connect protection chip, and the protection chip passes through the connecting wire and connects LED alarm lamp and overcurrent protection switch respectively, a lithium ion batteries cathode materials protection device, the power -off protection to the lithium cell is realized to adoption temperature sensor, heat -conducting plate, protection chip and overcurrent protection switch, avoids explosion, phenomenon on fire to take place, and the radiating effect is good, and to temperature control accuracy in the lithium cell, the use noodles eaten on one's birthday of extension lithium cell have increased the security performance that the lithium cell used.
Description
Technical field
The utility model relates to field of batteries, specifically a kind of anode material for lithium-ion batteries protective device.。
Background technology
Lithium ion battery widely uses in colliery, medical treatment, fire-fighting, civilian consumption and digital product, the high-capacity lithium ion cell that market uses is due to chemical composition difference, when there are quality problems, easily there is blast casualty accident, the lithium ion battery of high power capacity, after repeatedly recycling, thermal runaway threshold temperature can reduce, and the overheated meeting of battery makes positive electrode that irreversible change occur, if there is thermal runaway, abrupt release will go out huge heat, cause combustion even to be exploded.
Utility model content
The purpose of this utility model is to provide a kind of anode material for lithium-ion batteries protective device, to solve the problem proposed in above-mentioned background technology.
For achieving the above object, the utility model provides following technical scheme:
A kind of anode material for lithium-ion batteries protective device, comprise heat-conducting plate, protect IC, overcurrent protective switch and lithium battery, described lithium battery external is provided with housing, positive pole pole group and negative pole pole group is provided with in housing, positive pole pole group is connected insulating heat-conductive plate with group upper end, negative pole pole, housing upper end is provided with insulation board, battery cap is connected in the middle part of insulation board, battery cap lower end is provided with overcurrent protective switch, described overcurrent protective switch comprises disk, bimetal leaf, lower disk, the upper surface of bimetal leaf and lower surface are respectively equipped with a square conductor block, two square conductor block are arranged on different end, the bottom series connection lug of lower disk, lower disk is connected with lug spot welding, lug connects positive pole pole group, described positive pole pole group is provided with temperature sensor, temperature sensor connects protect IC by connecting line, protect IC connects LED alarm lamp and overcurrent protective switch respectively by connecting line.
As further program of the utility model: in described positive pole pole group and negative pole pole group, positive and negative electrode interval is arranged, between positive and negative electrode, be provided with the polyethylene film isolation that permeability is very strong.
As further program of the utility model: described shell is filled with organic electrolyte solution.
As further program of the utility model: described heat-conducting plate is provided with arranges louvre more, heat-conducting plate connects vent valve.
As further program of the utility model: described upper disk and lower disk are semi-circular structure, and bimetal leaf is nickel-titanium alloy material.
As further program of the utility model: the upper disk of described upper surface conductor block contact, lower surface conductor block is fixedly connected with lower disk.
As further program of the utility model: be provided with signal isolator in described protect IC.
Compared with prior art; the beneficial effects of the utility model are: described a kind of anode material for lithium-ion batteries protective device; adopt the power-off protection of temperature sensor, heat-conducting plate, protect IC and overcurrent protective switch realization to lithium battery; avoid blast, phenomenon on fire generation; good heat dissipation effect; control accurately, to extend the use birthday noodle of lithium battery to temperature in lithium battery, add the security performance that lithium battery uses.
Accompanying drawing explanation
Fig. 1 is structural representation of the present utility model.
Fig. 2 is control circuit schematic diagram in the utility model.
In figure: disk, 12-overcurrent protective switch, 13-lug, 14-insulation board, 15-vent valve, 16-louvre, 17-housing, 18-lithium battery under 1-positive pole pole group, 2-temperature sensor, 3-negative pole pole group, 4-heat-conducting plate, 5-protect IC, 6-LED alarm lamp, 7-connecting line, 8-battery cap, the upper disk of 9-, 10-bimetal leaf, 11-.
Embodiment
Below in conjunction with the accompanying drawing in the utility model embodiment, be clearly and completely described the technical scheme in the utility model embodiment, obviously, described embodiment is only the utility model part embodiment, instead of whole embodiments.Based on the embodiment in the utility model, those of ordinary skill in the art are not making the every other embodiment obtained under creative work prerequisite, all belong to the scope of the utility model protection.
Refer to Fig. 1 ~ 2, in the utility model embodiment, a kind of anode material for lithium-ion batteries protective device, comprise heat-conducting plate 4, protect IC 5, overcurrent protective switch 12 and lithium battery 18, described lithium battery 18 outside is provided with housing 17, positive pole pole group 1 and negative pole pole group 3 is provided with in housing 17, in positive pole pole group 1 and negative pole pole group 3 just, negative pole interval is arranged, just, the polyethylene film isolation that permeability is very strong is provided with between negative pole, organic electrolyte solution is filled with in housing 17, positive pole pole group 1 is connected insulating heat-conductive plate 4 with group 3 upper end, negative pole pole, heat-conducting plate 4 is provided with many row's louvres 16, heat-conducting plate 4 connects vent valve 15, housing 17 upper end is provided with insulation board 14, battery cap 8 is connected in the middle part of insulation board 14, battery cap 8 lower end is provided with overcurrent protective switch 12, described overcurrent protective switch 12 comprises disk 9, bimetal leaf 10, lower disk 11, described upper disk 9 and lower disk 11 are semi-circular structure, bimetal leaf 10 is nickel-titanium alloy material, the upper surface of bimetal leaf 10 and lower surface are respectively equipped with a square conductor block, two square conductor block are arranged on different end, the upper disk 9 of described upper surface conductor block contact, lower surface conductor block is fixedly connected with lower disk 11, the bottom series connection lug 13 of lower disk 11, lower disk 11 is connected with lug 13 spot welding, lug 13 connects positive pole pole group 1, described positive pole pole group 1 is provided with temperature sensor 2, temperature sensor 2 connects protect IC 5 by connecting line 7, protect IC 5 connects LED alarm lamp 6 and overcurrent protective switch 12 respectively by connecting line 7, signal isolator is provided with in described protect IC 5.
When described a kind of anode material for lithium-ion batteries protective device uses, when lithium battery 18 overcharges or discharges, lithium battery 18 can produce heat heating, variations in temperature signal can be delivered to protect IC 5 by temperature sensor 2 in positive pole pole group 1 in time, when the temperature in positive pole pole group 1 is at 90 DEG C, positive pole pole group 1 is connected insulating heat-conductive plate 4 and heat can be discharged by vent valve 15 in time with group 3 upper end, negative pole pole, reduce temperature in lithium battery 18, when temperature in lithium battery 18 is more than 90 DEG C, signal can be reached protect IC 5 by temperature sensor 2, signal is reached LED alarm lamp 6 and overcurrent protective switch 12 with the form of " enters two goes out " by signal isolator by protect IC 5 respectively, LED alarm lamp 6 is subject to signal and glimmers warning, after overcurrent protective switch 12 is subject to signal, the bimetal leaf 10 meeting flexural deformation that in overcurrent protective switch 12, nickel-titanium alloy material is made, bimetal leaf 10 upper surface conductor block is made to depart from upper disk 9, lithium battery 18 charge-discharge circuit disconnects, when at temperature return is to 90 DEG C, bimetal leaf 10 restores to the original state automatically, lithium battery 18 charge-discharge circuit closes, realize protecting lithium battery 18 positive electrode.
Operation principle of the present utility model is: described a kind of anode material for lithium-ion batteries protective device; employing temperature sensor 2, heat-conducting plate 4, protect IC 5 and overcurrent protective switch 12 realize the power-off protection to lithium battery 18; avoid blast, phenomenon on fire generation; good heat dissipation effect; control accurately to temperature in lithium battery 18; extend the use birthday noodle of lithium battery 18, add the security performance that lithium battery 18 uses.
To those skilled in the art, obvious the utility model is not limited to the details of above-mentioned one exemplary embodiment, and when not deviating from spirit of the present utility model or essential characteristic, can realize the utility model in other specific forms.Therefore, no matter from which point, all should embodiment be regarded as exemplary, and be nonrestrictive, scope of the present utility model is limited by claims instead of above-mentioned explanation, and all changes be therefore intended in the implication of the equivalency by dropping on claim and scope are included in the utility model.Any Reference numeral in claim should be considered as the claim involved by limiting.
In addition, be to be understood that, although this specification is described according to execution mode, but not each execution mode only comprises an independently technical scheme, this narrating mode of specification is only for clarity sake, those skilled in the art should by specification integrally, and the technical scheme in each embodiment also through appropriately combined, can form other execution modes that it will be appreciated by those skilled in the art that.
Claims (7)
1. an anode material for lithium-ion batteries protective device, comprise heat-conducting plate, protect IC, overcurrent protective switch and lithium battery, it is characterized in that, described lithium battery external is provided with housing, positive pole pole group and negative pole pole group is provided with in housing, positive pole pole group is connected insulating heat-conductive plate with group upper end, negative pole pole, housing upper end is provided with insulation board, battery cap is connected in the middle part of insulation board, battery cap lower end is provided with overcurrent protective switch, described overcurrent protective switch comprises disk, bimetal leaf, lower disk, the upper surface of bimetal leaf and lower surface are respectively equipped with a square conductor block, two square conductor block are arranged on different end, the bottom series connection lug of lower disk, lower disk is connected with lug spot welding, lug connects positive pole pole group, described positive pole pole group is provided with temperature sensor, temperature sensor connects protect IC by connecting line, protect IC connects LED alarm lamp and overcurrent protective switch respectively by connecting line.
2. a kind of anode material for lithium-ion batteries protective device according to claim 1, is characterized in that, in described positive pole pole group and negative pole pole group, positive and negative electrode interval is arranged, and is provided with the polyethylene film isolation that permeability is very strong between positive and negative electrode.
3. a kind of anode material for lithium-ion batteries protective device according to claim 1, it is characterized in that, described shell is filled with organic electrolyte solution.
4. a kind of anode material for lithium-ion batteries protective device according to claim 1, is characterized in that, described heat-conducting plate is provided with arranges louvre more, and heat-conducting plate connects vent valve.
5. a kind of anode material for lithium-ion batteries protective device according to claim 1, is characterized in that, described upper disk and lower disk are semi-circular structure, and bimetal leaf is nickel-titanium alloy material.
6. a kind of anode material for lithium-ion batteries protective device according to claim 1, is characterized in that, the upper disk of described upper surface conductor block contact, lower surface conductor block is fixedly connected with lower disk.
7. a kind of anode material for lithium-ion batteries protective device according to claim 1, is characterized in that, be provided with signal isolator in described protect IC.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520529538.1U CN204834789U (en) | 2015-07-21 | 2015-07-21 | Lithium ion batteries cathode materials protection device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520529538.1U CN204834789U (en) | 2015-07-21 | 2015-07-21 | Lithium ion batteries cathode materials protection device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204834789U true CN204834789U (en) | 2015-12-02 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520529538.1U Expired - Fee Related CN204834789U (en) | 2015-07-21 | 2015-07-21 | Lithium ion batteries cathode materials protection device |
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| Country | Link |
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| CN (1) | CN204834789U (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107331906A (en) * | 2017-07-04 | 2017-11-07 | 天津市捷威动力工业有限公司 | A kind of lithium battery high temperature protection structure and lithium battery |
| WO2018028280A1 (en) * | 2016-08-08 | 2018-02-15 | 力神动力电池系统有限公司 | Battery having overcurrent protection functionality |
| CN109904539A (en) * | 2019-03-05 | 2019-06-18 | 广州徽一电子科技有限公司 | A kind of lithium battery anode slurry leakage-proof structure and its anti-leaking method |
| CN112259816A (en) * | 2019-07-04 | 2021-01-22 | 北京小米移动软件有限公司 | Battery module and terminal |
| CN114284603A (en) * | 2021-12-28 | 2022-04-05 | 扬州市永达电源有限公司 | Explosion-proof lithium battery device |
-
2015
- 2015-07-21 CN CN201520529538.1U patent/CN204834789U/en not_active Expired - Fee Related
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2018028280A1 (en) * | 2016-08-08 | 2018-02-15 | 力神动力电池系统有限公司 | Battery having overcurrent protection functionality |
| CN107331906A (en) * | 2017-07-04 | 2017-11-07 | 天津市捷威动力工业有限公司 | A kind of lithium battery high temperature protection structure and lithium battery |
| CN107331906B (en) * | 2017-07-04 | 2019-11-05 | 天津市捷威动力工业有限公司 | A kind of lithium battery high temperature protection structure and lithium battery |
| CN109904539A (en) * | 2019-03-05 | 2019-06-18 | 广州徽一电子科技有限公司 | A kind of lithium battery anode slurry leakage-proof structure and its anti-leaking method |
| CN109904539B (en) * | 2019-03-05 | 2022-02-11 | 深圳市飞鹏新能源科技有限公司 | Lithium battery positive electrode slurry leakage-proof structure and leakage-proof method thereof |
| CN112259816A (en) * | 2019-07-04 | 2021-01-22 | 北京小米移动软件有限公司 | Battery module and terminal |
| CN114284603A (en) * | 2021-12-28 | 2022-04-05 | 扬州市永达电源有限公司 | Explosion-proof lithium battery device |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20151202 Termination date: 20160721 |