CN103312011A - Power device for energy storage of lithium battery - Google Patents
Power device for energy storage of lithium battery Download PDFInfo
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- CN103312011A CN103312011A CN2012100561929A CN201210056192A CN103312011A CN 103312011 A CN103312011 A CN 103312011A CN 2012100561929 A CN2012100561929 A CN 2012100561929A CN 201210056192 A CN201210056192 A CN 201210056192A CN 103312011 A CN103312011 A CN 103312011A
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- lithium battery
- energy storage
- display device
- supply unit
- quantity display
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Abstract
The invention relates to a power device for energy storage of a lithium battery. The power device comprises a device shell and is characterized in that a lithium battery component is arranged in the device shell, and an input end of the lithium battery is connected with an output end of an electric quantity display device. At the same time, an input end of the electric quantity display device is connected with an output end of a charger component and an output end of an inverter, and a charging switch is arranged on a loop between the charger component and the input end of the lithium battery. A discharging switch is arranged on a loop between an inverter component and an output end of the lithium battery. Therefore, due to the arrangement of a lithium battery protecting component, overcharge and over-discharge of voltage and current can be prevented, and the using safety is ensured. At the same time, due to the arrangement of the electric quantity display device, a user can timely know the electric quantity, and the power device is convenient to use. Moreover, due to the adoption of modularized design, the power device is light in overall weight, small in size and suitable for an energy-storing spare power system for a medium or small enterprise and a domestic spare power system.
Description
Technical field
The present invention relates to a kind of supply unit, relate in particular to a kind of lithium battery energy storage battery supply unit.
Background technology
It is more and more that electric equipment products occur in people's life, and entire society is increasing to the demand of electric power.In peak times of power consumption or because irresistible external cause has destroyed such as earthquake, typhoon etc. in the situation of power supply unit, can cause electric power undersupply or outage, have a strong impact on people's productive life.Present backup power system mainly is for data message equipment such as PC, server, memories, prevents unexpected outage, and the content of internal storage has little time to preserve on the memories such as being with hard disk, the loss of data that causes.Mainly comprise UPS (Uninterrupted Power Supply uninterrupted power supply), SPS (Standby Power Supply backs up/await orders power supply), BBU (Battery Backup Unit battery backup unit).These stand-by power supplies mainly use the lead-acid battery energy storage, and volume is large, specific energy is low, and the design energy storage time is short, is generally below half an hour.Be not suitable with as the family and use or medium-sized and small enterprises accumulation power supply system, be various household electrical appliance stand-by power supplies in the productive life.
Summary of the invention
Purpose of the present invention is exactly in order to solve the above-mentioned problems in the prior art, and a kind of lithium battery energy storage battery supply unit is provided.
Purpose of the present invention is achieved through the following technical solutions:
A kind of lithium battery energy storage battery supply unit, include crust of the device, wherein: be provided with lithium battery pack in the described crust of the device, the input of described lithium battery pack connects the output of electric-quantity display device, the output of the input connecting charger assembly of described electric-quantity display device and the output of inverter, be provided with charge switch on the loop between described charger assembly and the lithium battery pack output, be provided with discharge switch on the loop between described inverter and the lithium battery pack output.And charger assembly is for exchanging input direct-current output, and lithium battery pack is the output of direct current input direct-current, and inverter assembly is the output of direct current input AC.
Further, above-mentioned a kind of lithium battery energy storage battery supply unit, wherein: described electric-quantity display device is the voltage-type voltameter; Or described electric-quantity display device is enclosed pasture formula voltameter.
Further, above-mentioned a kind of lithium battery energy storage battery supply unit, wherein: be provided with the protection assembly between the input of described electric-quantity display device and the output of charger assembly.
Further, above-mentioned a kind of lithium battery energy storage battery supply unit, wherein: be provided with the protection assembly between the input of described electric-quantity display device and the output of inverter.
Further, above-mentioned a kind of lithium battery energy storage battery supply unit, wherein: be provided with the LED relay indicating light on the described charger assembly.
Further, above-mentioned a kind of lithium battery energy storage battery supply unit, wherein: be provided with the LED relay indicating light on the described inverter.
Further, above-mentioned a kind of lithium battery energy storage battery supply unit, wherein: described lithium battery pack has at least two LiFePO4 soft-package batteries to be composed in series.
Further, above-mentioned a kind of lithium battery energy storage battery supply unit, wherein: described lithium battery pack has at least two LiFePO4 soft-package batteries to compose in parallel.
Again further, above-mentioned a kind of lithium battery energy storage battery supply unit, wherein: be distributed with in the described crust of the device and connect socket module, described electric-quantity display device, charger assembly, inverter are put into respectively the corresponding socket module that connects.
The advantage of technical solution of the present invention is mainly reflected in: rely on the existence of protection assembly, can slightly prevent super-charge super-discharge, guarantee safety in utilization.Simultaneously, because the existence of electric-quantity display device, what of electric weight the user can in time know, and are easy to use.And, can realize that energy-storage system AC arrives effective conversion of AC again to DC behind employing the present invention.Moreover by modular design, overall volume is little, is applicable to medium-sized and small enterprises accumulation power supply system and domestic power supply system.
Description of drawings
Purpose of the present invention, advantage and disadvantage will be for illustration and explanation by the non-limitative illustration of following preferred embodiment.These embodiment only are the prominent examples of using technical solution of the present invention, and all technical schemes of taking to be equal to replacement or equivalent transformation and forming all drop within the scope of protection of present invention.
Fig. 1 is a kind of organigram of lithium battery energy storage battery supply unit.
Embodiment
A kind of lithium battery energy storage battery supply unit as shown in Figure 1 includes crust of the device 1, and its unusual part is: be provided with lithium battery pack 2 in the crust of the device 1 of the present invention.Specifically, know what of electric weight for the ease of the user, be connected with the output of electric-quantity display device 3 at the input of lithium battery pack 2.And, consider that the accuracy that data show is guaranteed the output of the input connecting charger assembly 4 of electric-quantity display device 3 and the output of inverter 5.Simultaneously, consider in actual use, effective control of charging process and discharge process is switched, and the loop of the present invention between charger assembly and lithium battery pack 2 outputs is provided with charge switch 6.Corresponding is that the loop between inverter 5 and lithium battery pack 2 outputs is provided with discharge switch 7 with it.
With regard to the better execution mode of the present invention one, in order to adapt to different environment for use needs, the electric-quantity display device 3 of employing can be the voltage-type voltameter, and it is connected in parallel in the circuit.Certainly can also adopt coulomb formula voltameter as electric-quantity display device 3, it is connected in the circuit with series system.
Further, consider to promote whole security mechanism, protect for the use of lithium battery pack 2, between the output of the input of electric-quantity display device 3 and charger assembly, be provided with and protect assembly 8.Same, between the output of the input of electric-quantity display device 3 and inverter 5, also be provided with and protect assembly 8.
Again further, know the operating state of charger assembly and inverter 5 for the ease of the user, be provided with the LED relay indicating light at charger assembly.Same, on inverter 5, also be provided with the LED relay indicating light.
And, consider 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 LiFePO4 soft-package batteries to be composed in series.Certainly, also can be taken to rare two LiFePO4 soft-package batteries composes in parallel.Simultaneously, consider and make the convenient of assembling, be distributed with in the crust of the device 1 of employing and connect socket module, electric-quantity display device 3, charger assembly, inverter 5 are put into respectively the corresponding socket module that connects.
In conjunction with actual operating position of the present invention, the direct voltage of lithium battery pack 2 is 25.6V or 51.2V.Simultaneously, but lithium battery pack 2 chargeable electric weight and discharge electricity amount are 1000Wh to 5000Wh.
When the needs store electrical energy, open charge switch 6, civil power is inputted charger assembly, electric main is changed into the direct current of 5A-50A by charger assembly.Afterwards, direct current enters protection assembly 8, then by electric-quantity display device 3, lithium battery pack 2 is charged, and charge mode is constant voltage after the first constant current.Specifically, first with the current charges of 5A-50A, when the voltage of lithium battery pack 2 was increased to 29.2V, charger assembly was automatically converted to constant voltage mode to charger assembly to lithium battery pack 2, until charging current less than cut-off current till, stop charging.LED relay indicating light on the charger assembly adopts two at least, and a LED light 9 is the charger assembly power supply indicator, the bright charger assembly access civil power that shows of this lamp.Another LED light 9 is the charged state indicator light, and when this lamp was red, the expression charging was carried out, and when this lamp transferred green to, showing charges finished.
When system need to discharge, open discharge switch 7, civil power output access electrical appliance.Electric current flows through electric-quantity display device 3 by lithium battery pack 2, then enters inverter 5 through protection assembly 8, changes direct current into electric main for electrical appliance by inverter 5.LED relay indicating light on the inverter 5 adopts two at least, and a LED light 9 is inverter 5 power supply indicators, and the bright discharge switch 7 that shows of this lamp is opened.Another LED light 9 is the alarm lamp of inverter 5, when when discharge inverter 5 occur unusual as excess temperature or lithium battery pack 2 are crossed when putting and glimmered, reminding user is closed output.The magnitude of voltage of the every string of battery pack protection assembly 8 monitorings wherein arranges battery pack protection assembly 8 and prevents that the overcharged voltage protection from being single string 3.9V, and overdischarge presses protection to be single string 2.5V.
Can find out by above-mentioned character express, behind employing the present invention, rely on the existence of protection assembly, can slightly prevent super-charge super-discharge, guarantee safety in utilization.Simultaneously, because the existence of electric-quantity display device, what of electric weight the user can in time know, and are easy to use.And, can realize that energy-storage system AC arrives effective conversion of AC again to DC behind employing the present invention.Moreover by modular design, overall volume is little, is applicable to medium-sized and small enterprises accumulation power supply system and domestic power supply system.
Claims (9)
1. lithium battery energy storage battery supply unit, include crust of the device, it is characterized in that: be provided with lithium battery pack in the described crust of the device, the input of described lithium battery pack connects the output of electric-quantity display device, the output of the input connecting charger assembly of described electric-quantity display device and the output of inverter, be provided with charge switch on the loop between described charger assembly and the lithium battery pack input, be provided with discharge switch on the loop between described inverter and the lithium battery pack output.
2. a kind of lithium battery energy storage battery supply unit according to claim 1, it is characterized in that: described electric-quantity display device is the voltage-type voltameter; Or described electric-quantity display device is enclosed pasture formula voltameter.
3. a kind of lithium battery energy storage battery supply unit according to claim 1 is characterized in that: be provided with the protection assembly between the input of described electric-quantity display device and the output of charger assembly.
4. a kind of lithium battery energy storage battery supply unit according to claim 1 is characterized in that: be provided with the protection assembly between the input of described electric-quantity display device and the output of inverter.
5. a kind of lithium battery energy storage battery supply unit according to claim 1 is characterized in that: be provided with the LED relay indicating light on the described charger assembly.
6. a kind of lithium battery energy storage battery supply unit according to claim 1 is characterized in that: be provided with the LED relay indicating light on the described inverter.
7. a kind of lithium battery energy storage battery supply unit according to claim 1, it is characterized in that: described lithium battery pack has at least two LiFePO4 soft-package batteries to be composed in series.
8. a kind of lithium battery energy storage battery supply unit according to claim 1, it is characterized in that: described lithium battery pack has at least two LiFePO4 soft-package batteries to compose in parallel.
9. a kind of lithium battery energy storage battery supply unit according to claim 1 is characterized in that: be distributed with in the described crust of the device and connect socket module, described electric-quantity display device, charger assembly, inverter are put into respectively the corresponding socket module that connects.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210056192.9A CN103312011B (en) | 2012-03-06 | 2012-03-06 | A kind of power device for energy storage of lithium battery |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| 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 true CN103312011A (en) | 2013-09-18 |
| CN103312011B CN103312011B (en) | 2016-06-08 |
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| CN201210056192.9A Active CN103312011B (en) | 2012-03-06 | 2012-03-06 | A kind of power device for energy storage of lithium battery |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105553024A (en) * | 2016-01-22 | 2016-05-04 | 刘振海 | Household emergency power supply device |
| CN106849288A (en) * | 2017-04-18 | 2017-06-13 | 清华大学 | A kind of battery modules connect 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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| 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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| US20010004202A1 (en) * | 1999-12-18 | 2001-06-21 | Lg Electronics, Inc. | Battery gauging device during battery charging |
| 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 |
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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 |
| CN106849288A (en) * | 2017-04-18 | 2017-06-13 | 清华大学 | A kind of battery modules connect circuit and energy storage 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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| CN103312011B (en) | 2016-06-08 |
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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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Free format text: CORRECT: ADDRESS; FROM: 215129 SUZHOU, JIANGSU PROVINCE TO: 215011 SUZHOU, JIANGSU PROVINCE |
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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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