CN103312011B - A kind of power device for energy storage of lithium battery - Google Patents
A kind of power device for energy storage of lithium battery Download PDFInfo
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- CN103312011B CN103312011B CN201210056192.9A CN201210056192A CN103312011B CN 103312011 B CN103312011 B CN 103312011B CN 201210056192 A CN201210056192 A CN 201210056192A CN 103312011 B CN103312011 B CN 103312011B
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Abstract
The present invention relates to a kind of power device for energy storage of lithium battery, include crust of the device, feature is: be provided with lithium battery pack in crust of the device, and the input terminus at lithium battery pack is connected with the output terminal of electric-quantity display device. Meanwhile, the output terminal of input terminus connecting charger assembly of electric-quantity display device and the output terminal of invertor, the loop between charger assembly and lithium battery pack input terminus is provided with charging switch. Loop between inverter assembly and lithium battery pack output terminal is provided with electric discharge switch. Like this, rely on the existence of li-ion cell protection assembly, it is possible to prevent the super-charge super-discharge of voltage and electric current, ensure safety in utilization. Meanwhile, due to the existence of electric-quantity display device, it may also be useful to person can know the number of electricity in time, easy to use. Further, adopting the design of modularization, the light volume of overall weight is little, is applicable to medium-sized and small enterprises energy storage standby power supply system and family expenses standby power supply system.
Description
Technical field
The present invention relates to a kind of supply unit, particularly relate to a kind of power device for energy storage of lithium battery.
Background technology
It is more and more that electric equipment products occur in the life of people, and entire society is increasing to the demand of electric power. In peak times of power consumption or due to irresistible external cause, as earthquake, typhoon etc. destroy power-supply unit when, electric power undersupply or power-off can be caused, the production seriously affect people is lived. Current backup power system mainly for data messaging device such as PC, server, storeies, prevents unexpected power-off, and the content of storage inside device has little time to preserve on the storeies such as band hard disk, and the data caused are lost. Mainly comprise UPS (UninterruptedPowerSupply uninterruptible power supply), SPS (StandbyPowerSupply backs up/await orders power supply), BBU (BatteryBackupUnit battery backup unit). These standby power supplies mainly use lead-acid cell energy storage, and volume is big, specific energy is low, and design energy storage time is short, is generally half hour below. It is not suitable with and uses or medium-sized and small enterprises accumulation power supply system as family, various household electrical appliance stand-by power supply during generation of making a living is alive.
Summary of the invention
The object of the present invention is exactly to solve the above-mentioned problems in the prior art, it is provided that a kind of power device for energy storage of lithium battery.
The object of the present invention is achieved through the following technical solutions:
A kind of power device for energy storage of lithium battery, include crust of the device, wherein: in described crust of the device, be provided with lithium battery pack, the input terminus of described lithium battery pack connects the output terminal of electric-quantity display device, the output terminal of input terminus connecting charger assembly of described electric-quantity display device and the output terminal of invertor, loop between described charger assembly and lithium battery pack output terminal is provided with charging switch, the loop between described invertor and lithium battery pack output terminal is provided with electric discharge switch.Further, charger assembly exports for exchanging input direct-current, and lithium battery pack is that direct current input direct-current exports, and inverter assembly is that direct current input AC exports.
Further, above-mentioned a kind of power device for energy storage of lithium battery, wherein: described electric-quantity display device is voltage-type voltameter; Or, described electric-quantity display device is coulomb formula voltameter.
Further, above-mentioned a kind of power device for energy storage of lithium battery, wherein: between the input terminus of described electric-quantity display device and the output terminal of charger assembly, be provided with protection assembly.
Further, above-mentioned a kind of power device for energy storage of lithium battery, wherein: between the input terminus of described electric-quantity display device and the output terminal of invertor, be provided with protection assembly.
Further, above-mentioned a kind of power device for energy storage of lithium battery, wherein: described charger assembly is provided with LED operation pilot lamp.
Further, above-mentioned a kind of power device for energy storage of lithium battery, wherein: described invertor is provided with LED operation pilot lamp.
Further, above-mentioned a kind of power device for energy storage of lithium battery, wherein: described lithium battery pack has at least two pieces of lithium iron phosphate flexible package battery to be composed in series.
Further, above-mentioned a kind of power device for energy storage of lithium battery, wherein: described lithium battery pack has at least two pieces of lithium iron phosphate flexible package battery to compose in parallel.
Again further, above-mentioned a kind of power device for energy storage of lithium battery, wherein: be distributed with in described crust of the device and connect socket module, described electric-quantity display device, charger assembly, invertor are put into respectively and corresponding are connect socket module.
The advantage of technical solution of the present invention is mainly reflected in: the existence relying on protection assembly, it is possible to slight prevent super-charge super-discharge, ensures safety in utilization. Meanwhile, due to the existence of electric-quantity display device, it may also be useful to person can know the number of electricity in time, easy to use. Further, can realize, after adopting the present invention, effective conversion that accumulator system AC to DC arrives AC again. Moreover, by the design of modularization, overall volume is little, is applicable to medium-sized and small enterprises accumulation power supply system and domestic power supply system.
Accompanying drawing explanation
The object of the present invention, advantage and disadvantage, by for illustration and explanation by the non-limitative illustration of preferred embodiment below. These embodiments are only the prominent examples of application technical solution of the present invention, all take equivalent replacement or equivalent transformation and the technical scheme that formed, all drop within the scope of protection of present invention.
Fig. 1 is the organigram of a kind of power device for energy storage of lithium battery.
Embodiment
A kind of power device for energy storage of lithium battery as shown in Figure 1, includes crust of the device 1, and its unusual part is: be provided with lithium battery pack 2 in crust of the device 1 of the present invention. Specifically, knowing the number of electricity for the ease of user, the input terminus at lithium battery pack 2 is connected with the output terminal of electric-quantity display device 3. And, it is contemplated that ensured to the tolerance range of data display, the output terminal of input terminus connecting charger assembly 4 of electric-quantity display device 3 and the output terminal of invertor 5. Simultaneously, it is contemplated that in actual use, effective control switching of process of charging and discharge process, the present invention is provided with charging switch 6 on the loop between charger assembly and lithium battery pack 2 output terminal. Corresponding with it, the loop between invertor 5 and lithium battery pack 2 output terminal is provided with electric discharge switch 7.
Preferably implementing mode with regard to the present invention one, in order to adapt to different environment for use needs, the electric-quantity display device 3 of employing can be voltage-type voltameter, and it is connected in parallel in circuit. Certainly coulomb formula voltameter can also be adopted as electric-quantity display device 3, and it is connected in circuit in a series arrangement.
Further, it is contemplated that to promoting overall security mechanism, the use for lithium battery pack 2 is protected, between the input terminus and the output terminal of charger assembly of electric-quantity display device 3, protection assembly 8 it is provided with. Same, between the input terminus and the output terminal of invertor 5 of electric-quantity display device 3, also it is provided with protection assembly 8.
Again further, know charger assembly and the working order of invertor 5 for the ease of user, charger assembly is provided with LED operation pilot lamp. Same, invertor 5 is also provided with LED operation pilot lamp.
And, it is contemplated that to the difference of environment for use, for the ease of effective steady operation of battery, the lithium battery pack 2 that the present invention adopts has at least two pieces of lithium iron phosphate flexible package battery to be composed in series. Certainly, it is also possible to be taken to rare two pieces of lithium iron phosphate flexible package battery and compose in parallel. Simultaneously, it is contemplated that to manufacturing the convenient of assembling, be distributed with and connect socket module in the crust of the device 1 of employing, electric-quantity display device 3, charger assembly, invertor 5 are put into respectively and corresponding are connect socket module.
In conjunction with the actual service condition of the present invention, the volts DS of lithium battery pack 2 is 25.6V or 51.2V. Meanwhile, the chargeable electricity of lithium battery pack 2 and can discharge electricity amount be 1000Wh to 5000Wh.
When needs store electrical energy, opening charging switch 6, city's electricity input charger assembly, is changed into the direct current of 5A-50A by charger assembly by exchange city electricity. Afterwards, direct current enters protection assembly 8, then by electric-quantity display device 3, is charged by lithium battery pack 2, and charge mode is constant voltage after first constant current. Specifically, charger assembly is to lithium battery pack 2 first with the current charges of 5A-50A, and when the voltage of lithium battery pack 2 is increased to 29.2V, charger assembly is automatically converted to constant voltage mode, till charging current is less than cut-off current, stops charging. LED operation pilot lamp on charger assembly at least adopts two, and a LED pilot lamp 9 is charger assembly power light, and this lamp is bright shows charger assembly access city electricity. Another LED pilot lamp 9 is charging state pilot lamp, when this lamp is red, represents that charging carries out, when this lamp transfers green to, shows charging complete.
When system needs electric discharge, open electric discharge switch 7, city's electricity output terminal access electrical appliance. Electric current flows through electric-quantity display device 3 by lithium battery pack 2, then enters invertor 5 through protection assembly 8, by invertor 5, direct current is changed into exchange city electricity for electrical appliance. LED operation pilot lamp on invertor 5 at least adopts two, and a LED pilot lamp 9 is invertor 5 power light, and this lamp is bright shows that electric discharge switch 7 is opened. Another LED pilot lamp 9 is the warning pilot lamp of invertor 5, upon discharging invertor 5 occur abnormal as cross temperature or lithium battery pack 2 cross put time flicker, remind user to close output. The magnitude of voltage often gone here and there monitored by battery pack protection assembly 8, wherein arranges battery pack protection assembly 8 and prevents overcharged voltage protection for singly going here and there 3.9V, and overdischarge pressure protection is for singly going here and there 2.5V.
By above-mentioned character express it may be seen that adopt after the present invention, rely on the existence of protection assembly, it is possible to slight prevent super-charge super-discharge, ensure safety in utilization.Meanwhile, due to the existence of electric-quantity display device, it may also be useful to person can know the number of electricity in time, easy to use. Further, can realize, after adopting the present invention, effective conversion that accumulator system AC to DC arrives AC again. Moreover, by the design of modularization, overall volume is little, is applicable to medium-sized and small enterprises accumulation power supply system and domestic power supply system.
Claims (2)
1. a power device for energy storage of lithium battery, include crust of the device, it is characterized in that: in described crust of the device, be provided with lithium battery pack, the input terminus of described lithium battery pack connects the output terminal of electric-quantity display device, the input terminus of described electric-quantity display device is the output terminal of connecting charger assembly and the output terminal of invertor respectively, loop between described charger assembly and lithium battery pack output terminal is provided with charging switch, the loop between described invertor and lithium battery pack output terminal is provided with electric discharge switch;
Protection assembly it is provided with between the input terminus of described electric-quantity display device and the output terminal of charger assembly;
Protection assembly it is provided with between the input terminus of described electric-quantity display device and the output terminal of invertor;
Described lithium battery pack is at least connected by two pieces of lithium iron phosphate flexible package battery or is composed in parallel;
Described charger assembly is provided with two LED operation pilot lamp, is respectively charger assembly power light and charging state pilot lamp;
Described invertor is provided with two LED operation pilot lamp, is respectively inverter power supply pilot lamp and invertor warning pilot lamp;
Being distributed with in described crust of the device and connect socket module, described electric-quantity display device, charger assembly, invertor are put into respectively and corresponding are connect socket module.
2. a kind of power device for energy storage of lithium battery according to claim 1, it is characterised in that: described electric-quantity display device is coulomb formula voltameter.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
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| CN201210056192.9A CN103312011B (en) | 2012-03-06 | 2012-03-06 | A kind of power device for energy storage of lithium battery |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201210056192.9A CN103312011B (en) | 2012-03-06 | 2012-03-06 | A kind of power device for energy storage of lithium battery |
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| CN103312011A CN103312011A (en) | 2013-09-18 |
| CN103312011B true CN103312011B (en) | 2016-06-08 |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN105553024A (en) * | 2016-01-22 | 2016-05-04 | 刘振海 | Household emergency power supply device |
| CN106849288B (en) * | 2017-04-18 | 2020-04-10 | 清华大学 | Battery module connecting circuit and energy storage device |
| CN107676901A (en) * | 2017-10-18 | 2018-02-09 | 上海航天电源技术有限责任公司 | New energy cold-heating system for distributed energy storage power-supply system |
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| CN1622423A (en) * | 2004-12-13 | 2005-06-01 | 北京中信国安盟固利新材料技术研究院有限公司 | Portable lithium-ion battery energy box |
| CN201294392Y (en) * | 2008-09-16 | 2009-08-19 | 比亚迪股份有限公司 | Portable charging device for electric automobile |
| CN102044899A (en) * | 2009-10-13 | 2011-05-04 | 林福长 | Portable-type domestic charge-discharge power supply box device |
| CN202444305U (en) * | 2012-03-06 | 2012-09-19 | 苏州能斯特新能源有限公司 | Power device for energy storage of lithium battery |
Family Cites Families (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR100342716B1 (en) * | 1999-12-18 | 2002-07-04 | 서평원 | Battery gauging device during battery charging |
| CN101162846A (en) * | 2007-10-22 | 2008-04-16 | 赵建和 | Series battery charge up circuit with charge compensate function |
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- 2012-03-06 CN CN201210056192.9A patent/CN103312011B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1622423A (en) * | 2004-12-13 | 2005-06-01 | 北京中信国安盟固利新材料技术研究院有限公司 | Portable lithium-ion battery energy box |
| CN201294392Y (en) * | 2008-09-16 | 2009-08-19 | 比亚迪股份有限公司 | Portable charging device for electric automobile |
| CN102044899A (en) * | 2009-10-13 | 2011-05-04 | 林福长 | Portable-type domestic charge-discharge power supply box device |
| CN202444305U (en) * | 2012-03-06 | 2012-09-19 | 苏州能斯特新能源有限公司 | Power device for energy storage of lithium battery |
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| CN103312011A (en) | 2013-09-18 |
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Owner name: CANADIAN (CHINA) INVESTMENT CO., LTD. Free format text: FORMER OWNER: NERNST NEW ENERGY (SUZHOU) CO., LTD. Effective date: 20141104 Owner name: SUZHOU CANADIAN SOLAR INC. Effective date: 20141104 |
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Effective date of registration: 20141104 Address after: 215011 199 deer Road, hi tech Development Zone, Jiangsu, Suzhou Applicant after: CSI SOLAR POWER (CHINA) Inc. Applicant after: CSI CELLS Co.,Ltd. Address before: 215129, No. 30, environmental protection industrial park, 369 deer Road, hi tech Zone, Jiangsu, Suzhou Applicant before: NERNST NEW ENERGY (SUZHOU) Co.,Ltd. |
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Address after: 215011 199 deer Road, hi tech Development Zone, Jiangsu, Suzhou Patentee after: CSI SOLAR POWER GROUP Co.,Ltd. Patentee after: CSI Cells Co.,Ltd. Address before: 215011 199 deer Road, hi tech Development Zone, Jiangsu, Suzhou Patentee before: CSI SOLAR POWER (CHINA) Inc. Patentee before: CSI Cells Co.,Ltd. Address after: 215011 199 deer Road, hi tech Development Zone, Jiangsu, Suzhou Patentee after: Atlas sunshine Power Group Co.,Ltd. Patentee after: CSI Cells Co.,Ltd. Address before: 215011 199 deer Road, hi tech Development Zone, Jiangsu, Suzhou Patentee before: CSI SOLAR POWER GROUP Co.,Ltd. Patentee before: CSI Cells Co.,Ltd. |
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