CN204720522U - A kind of lithium polymer battery - Google Patents
A kind of lithium polymer battery Download PDFInfo
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- CN204720522U CN204720522U CN201520371547.2U CN201520371547U CN204720522U CN 204720522 U CN204720522 U CN 204720522U CN 201520371547 U CN201520371547 U CN 201520371547U CN 204720522 U CN204720522 U CN 204720522U
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- battery
- battery core
- flexible package
- inserted sheet
- package layer
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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 lithium polymer battery, comprise battery case, described battery case upper surface is provided with positive pole inserted sheet and negative pole inserted sheet successively, described battery case is arranged on the skin of flexible package layer, described flexible package layer is arranged on the skin of battery core, and battery core is connected by wire with positive pole inserted sheet and negative pole inserted sheet, the front central authorities of described battery case are provided with pressure sensor, described temperature sensor is arranged on the below of pressure sensor, and the lower surface of described pressure sensor, temperature sensor contacts with flexible package layer upper surface respectively.This lithium polymer battery; the battery core using pressure sensor, temperature sensor to monitor respectively to occur in battery operated or charging process expands, temperature is too high; battery core can be protected on the one hand; can prevent battery core from work or charging process, producing the dangerous situations such as blast, spontaneous combustion on the other hand; and voltage monitor is provided with high and low pressure limiting device; avoid the too high or overdischarge of overcharged voltage to press through low, damage battery core.
Description
Technical field
The utility model relates to cell art, is specially a kind of lithium polymer battery.
Background technology
Lithium polymer battery (Li-polymer, also known as high-polymer lithium battery) be the battery that a kind of energy is high, miniaturized, lightweight has chemical property, battery is in work or charging process, because external force puncture or charging cause may collide with external force, and all likely cause in manufacture process cell expansion be out of shape or temperature too high, thus affect battery behavior, have liquid time serious and flow out, cause battery to produce the dangerous situations such as blast, spontaneous combustion.
But lithium polymer battery in use electrolyte can infiltrate the internal layer to the outer flexible packing material of electrolyte, flexible packing material directly connects together with the internal material of battery, Just because of this, the properties of flexible packing material on battery has important impact, flexible packing material is by water, the content of battery is protected in the obstruct of oxygen, once the water in battery, oxygen reaches certain degree, the capacity of lithium polymer battery will diminish, battery air-blowing, cause battery cycle life reduction in various degree, serious makes battery failure, and battery overcharge in the market or overdischarge protector are very loaded down with trivial details, cost is higher.
Utility model content
The purpose of this utility model is to provide a kind of lithium polymer battery, 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 lithium polymer battery, comprise battery case, described battery case upper surface is provided with positive pole inserted sheet and negative pole inserted sheet successively, described battery case is arranged on the skin of flexible package layer, described flexible package layer is arranged on the skin of battery core, and battery core is connected by wire with positive pole inserted sheet and negative pole inserted sheet, the front central authorities of described battery case are provided with pressure sensor, temperature sensor is arranged on the below of pressure sensor, described pressure sensor, the lower surface of temperature sensor contacts with flexible package layer upper surface respectively, pressure sensor, temperature sensor, the output of voltage monitor respectively with the input model calling of single-chip microcomputer, the output of described single-chip microcomputer respectively with alarm, the input model calling of circuit breaker, described voltage monitor is connected by conductor in parallel with battery core.
Preferably, described battery case is that metal material punching press is made.
Preferably, described flexible package layer comprises three-layer composite structure and is followed successively by cast polypropylene film, polyethylene terephthalate thin film, foil packaging film.
Preferably, described battery core is bonding by adhesive with flexible package layer.
Preferably, described voltage monitor inside is provided with high pressure stop and low pressure stop.
Compared with prior art; the beneficial effects of the utility model are: this lithium polymer battery; the battery core using pressure sensor, temperature sensor to monitor respectively to occur in battery operated or charging process expands, temperature is too high; battery core can be protected on the one hand; can prevent battery core from work or charging process, producing the dangerous situations such as blast, spontaneous combustion on the other hand; and voltage monitor is provided with high and low pressure limiting device, avoids the too high or overdischarge of overcharged voltage to press through low, damage battery core.
Accompanying drawing explanation
Fig. 1 is structure side view of the present utility model;
Fig. 2 is structure vertical view of the present utility model;
Fig. 3 is work block diagram representation of the present utility model.
In figure: 1 battery case, 2 flexible package layers, 3 battery cores, 4 positive pole inserted sheets, 5 negative pole inserted sheets, 6 pressure sensors, 7 temperature sensors, 101 single-chip microcomputers, 102 alarms, 103 voltage monitors and 104 circuit breakers.
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. 1-3, the utility model provides a kind of technical scheme: a kind of lithium polymer battery, comprise battery case 1, described battery case 1 upper surface is provided with positive pole inserted sheet 4 and negative pole inserted sheet 5 successively, described battery case 1 is made for metal material punching press, described battery case 1 is arranged on the skin of flexible package layer 2, described flexible package layer 2 comprises three-layer composite structure and is followed successively by cast polypropylene film, polyethylene terephthalate thin film, foil packaging film, and cast polypropylene film can not be dissolved by electrolyte, again can not be swelling by electrolyte, to effectively keep concentration or the component ratio of electrolyte, extend the useful life of battery core, described flexible package layer 2 is arranged on the skin of battery core 3, and battery core 3 is connected by wire with positive pole inserted sheet 4 and negative pole inserted sheet 5, described battery core 2 is bonding by adhesive with flexible package layer 3, adopt the bonding battery core 2 of binding agent and flexible package layer 3, delamination is peeled off after avoiding flexible package layer 3 to be soaked by electrolyte, affect the sealing property of battery, the front central authorities of described battery case 1 are provided with pressure sensor 6, described temperature sensor 7 is arranged on the below of pressure sensor 6, described pressure sensor 6, the lower surface of temperature sensor 7 contacts with flexible package layer 2 upper surface respectively, described pressure sensor 6, temperature sensor 7, the output of voltage monitor 103 respectively with the input model calling of single-chip microcomputer 101, the output of described single-chip microcomputer 101 respectively with alarm 102, the input model calling of circuit breaker 104, described voltage monitor 103 is connected by conductor in parallel with battery core 3, described voltage monitor 103 inside is provided with high pressure stop and low pressure stop, for monitoring the voltage of battery core 3 discharge and recharge, brownout when overtension or electric discharge when charging, single-chip microcomputer 101 all can control circuit breaker 104 and make down circuitry, protection battery core 3.
Temperature sensor 7 is for detecting temperature when battery core 3 works or charges, work or charging temperature too high time, single-chip microcomputer 101 controls circuit breaker 104 and makes down circuitry, protection battery, and worked by alarm 102 alarm battery core 3 or charging temperature too high, pressure sensor 6 prevents from producing dilatancy when battery operated or charging, when cell expansion is out of shape, certain pressure experienced by pressure sensor 6, control circuit breaker 104 by single-chip microcomputer 101 and make down circuitry, and damaged by alarm 102 alarm battery, need to change battery, voltage monitor 103 is for monitoring the voltage of battery core 3 discharge and recharge, brownout when overtension or electric discharge when no matter charging, single-chip microcomputer 101 all can control circuit breaker 104 and make down circuitry, protection battery core 3, and the outer composite construction flexible package layer 2 arranged of battery core 3, the concentration or proportional of effective guarantor's electrolyte, what extend battery core uses the life-span, simultaneously that battery core 3 is bonding by adhesive with flexible package layer 2, delamination is peeled off after avoiding flexible package layer 2 to be soaked by electrolysis, affect the sealing property of battery.
Although illustrate and described embodiment of the present utility model, for the ordinary skill in the art, be appreciated that and can carry out multiple change, amendment, replacement and modification to these embodiments when not departing from principle of the present utility model and spirit, scope of the present utility model is by claims and equivalents thereof.
Claims (5)
1. a lithium polymer battery, comprise battery case, it is characterized in that: described battery case upper surface is provided with positive pole inserted sheet and negative pole inserted sheet successively, described battery case is arranged on the skin of flexible package layer, described flexible package layer is arranged on the skin of battery core, and battery core is connected by wire with positive pole inserted sheet and negative pole inserted sheet, the front central authorities of described battery case are provided with pressure sensor, temperature sensor is arranged on the below of pressure sensor, described pressure sensor, the lower surface of temperature sensor contacts with flexible package layer upper surface respectively, pressure sensor, temperature sensor, the output of voltage monitor respectively with the input model calling of single-chip microcomputer, the output of described single-chip microcomputer respectively with alarm, the input model calling of circuit breaker, described voltage monitor is connected by conductor in parallel with battery core.
2. a kind of lithium polymer battery according to claim 1, is characterized in that: described battery case is that metal material punching press is made.
3. a kind of lithium polymer battery according to claim 1, is characterized in that: described flexible package layer comprises three-layer composite structure and is followed successively by cast polypropylene film, polyethylene terephthalate thin film, foil packaging film.
4. a kind of lithium polymer battery according to claim 1, is characterized in that: described battery core is bonding by adhesive with flexible package layer.
5. a kind of lithium polymer battery according to claim 1, is characterized in that: described voltage monitor inside is provided with high pressure stop and low pressure stop.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520371547.2U CN204720522U (en) | 2015-05-29 | 2015-05-29 | A kind of lithium polymer battery |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520371547.2U CN204720522U (en) | 2015-05-29 | 2015-05-29 | A kind of lithium polymer battery |
Publications (1)
| Publication Number | Publication Date |
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| CN204720522U true CN204720522U (en) | 2015-10-21 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201520371547.2U Active CN204720522U (en) | 2015-05-29 | 2015-05-29 | A kind of lithium polymer battery |
Country Status (1)
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| CN (1) | CN204720522U (en) |
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2016197713A1 (en) * | 2016-01-08 | 2016-12-15 | 中兴通讯股份有限公司 | Battery deformation detection method and device |
| CN106981697A (en) * | 2017-05-16 | 2017-07-25 | 华霆（合肥）动力技术有限公司 | Thermal run away prior-warning device and supply unit |
| CN108390111A (en) * | 2018-01-09 | 2018-08-10 | 上海忠舍工业安防设备有限公司 | Lithium ion battery incipient fire early warning system |
| CN109676938A (en) * | 2018-12-30 | 2019-04-26 | 赛史品威奥（唐山）结构复合材料有限公司 | A kind of integrated molding aluminium foil and battery case shell gluing technique for sticking |
| CN112762806A (en) * | 2020-12-23 | 2021-05-07 | 北京国电光宇机电设备有限公司 | Wisdom lithium cell of health degree self-test |
| CN113097587A (en) * | 2021-03-31 | 2021-07-09 | 珠海冠宇电池股份有限公司 | Battery with a battery cell |
| CN114824688A (en) * | 2022-06-27 | 2022-07-29 | 深圳市昂佳科技有限公司 | Lithium ion battery and module thereof |
| CN116316169A (en) * | 2023-05-18 | 2023-06-23 | 四川省青珑电气设备有限公司 | Low-voltage reactive power compensation device |
-
2015
- 2015-05-29 CN CN201520371547.2U patent/CN204720522U/en active Active
Cited By (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2016197713A1 (en) * | 2016-01-08 | 2016-12-15 | 中兴通讯股份有限公司 | Battery deformation detection method and device |
| CN106981697A (en) * | 2017-05-16 | 2017-07-25 | 华霆（合肥）动力技术有限公司 | Thermal run away prior-warning device and supply unit |
| CN106981697B (en) * | 2017-05-16 | 2023-08-15 | 华霆（合肥）动力技术有限公司 | Thermal instability early warning device and power supply device |
| CN108390111A (en) * | 2018-01-09 | 2018-08-10 | 上海忠舍工业安防设备有限公司 | Lithium ion battery incipient fire early warning system |
| CN109676938A (en) * | 2018-12-30 | 2019-04-26 | 赛史品威奥（唐山）结构复合材料有限公司 | A kind of integrated molding aluminium foil and battery case shell gluing technique for sticking |
| CN112762806A (en) * | 2020-12-23 | 2021-05-07 | 北京国电光宇机电设备有限公司 | Wisdom lithium cell of health degree self-test |
| CN113097587A (en) * | 2021-03-31 | 2021-07-09 | 珠海冠宇电池股份有限公司 | Battery with a battery cell |
| CN114824688A (en) * | 2022-06-27 | 2022-07-29 | 深圳市昂佳科技有限公司 | Lithium ion battery and module thereof |
| CN114824688B (en) * | 2022-06-27 | 2022-09-09 | 深圳市昂佳科技有限公司 | Lithium ion battery and module thereof |
| CN116316169A (en) * | 2023-05-18 | 2023-06-23 | 四川省青珑电气设备有限公司 | Low-voltage reactive power compensation device |
| CN116316169B (en) * | 2023-05-18 | 2023-07-25 | 四川省青珑电气设备有限公司 | Low-voltage reactive power compensation device |
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