CN103414222B - A kind of energy reclaiming method of lithium battery group - Google Patents
A kind of energy reclaiming method of lithium battery group Download PDFInfo
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- CN103414222B CN103414222B CN201310315325.4A CN201310315325A CN103414222B CN 103414222 B CN103414222 B CN 103414222B CN 201310315325 A CN201310315325 A CN 201310315325A CN 103414222 B CN103414222 B CN 103414222B
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- WHXSMMKQMYFTQS-UHFFFAOYSA-N Lithium Chemical compound [Li] WHXSMMKQMYFTQS-UHFFFAOYSA-N 0.000 title claims abstract description 99
- 229910052744 lithium Inorganic materials 0.000 title claims abstract description 99
- 238000000034 method Methods 0.000 title claims abstract description 8
- 238000011084 recovery Methods 0.000 claims abstract description 10
- 238000012546 transfer Methods 0.000 claims description 6
- 238000012544 monitoring process Methods 0.000 claims description 3
- 230000009286 beneficial effect Effects 0.000 abstract description 2
- 230000007613 environmental effect Effects 0.000 abstract description 2
- 238000004064 recycling Methods 0.000 abstract description 2
- 238000010586 diagram Methods 0.000 description 2
- 238000011056 performance test Methods 0.000 description 2
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
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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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- Secondary Cells (AREA)
- Charge And Discharge Circuits For Batteries Or The Like (AREA)
Abstract
一种锂电池组的能量回收方法，将需要放电的锂电池组并接到大容量锂电池组上，锂电池组的放电最低电压值高于大容量锂电池组充电最高电压值，电压差使锂电池组的能量转移到大容量锂电池组内，完成了锂电池组的能量回收。本发明有益效果：能量回收利用率高，环保实用，可靠性高。
An energy recovery method for a lithium battery pack. The lithium battery pack that needs to be discharged is connected to a large-capacity lithium battery pack. The minimum discharge voltage value of the lithium battery pack is higher than the maximum charging voltage value of the large-capacity lithium battery pack. The voltage difference makes the lithium battery pack The energy of the battery pack is transferred to the large-capacity lithium battery pack, and the energy recovery of the lithium battery pack is completed. The invention has the beneficial effects of high energy recycling rate, environmental protection and practicality, and high reliability.
Description
技术领域technical field
本发明涉及一种锂电池组的能量回收方法。The invention relates to an energy recovery method of a lithium battery pack.
背景技术Background technique
为了锂电池组的正常运行，需要对其定期充放电。锂电池组放电时，往往只是将锂电池组内的能量消耗掉，这部分能量没有好好得到利用，造成能源浪费。For the normal operation of the lithium battery pack, it needs to be charged and discharged regularly. When the lithium battery pack is discharged, it often only consumes the energy in the lithium battery pack, and this part of the energy is not well utilized, resulting in energy waste.
发明内容Contents of the invention
本发明的目的在于提供一种能源利用率高、可靠性高的锂电池组的能量回收方法。The object of the present invention is to provide an energy recovery method of a lithium battery pack with high energy utilization rate and high reliability.
为达到发明目的本发明采用的技术方案是：For achieving the purpose of the invention, the technical scheme adopted by the present invention is:
一种锂电池组的能量回收方法，其特征在于：将需要放电的锂电池组并接到大容量锂电池组上，锂电池组的放电最低电压值高于大容量锂电池组充电最高电压值，电压差使锂电池组的能量转移到大容量锂电池组内，完成了锂电池组的能量回收。An energy recovery method for a lithium battery pack, characterized in that: the lithium battery pack to be discharged is connected to a large-capacity lithium battery pack, and the lowest discharge voltage value of the lithium battery pack is higher than the highest charging voltage value of the large-capacity lithium battery pack , the voltage difference transfers the energy of the lithium battery pack to the large-capacity lithium battery pack, completing the energy recovery of the lithium battery pack.
进一步，2个以上的所述锂电池组并联后，再并接到大容量锂电池组上放电给大容量锂电池组。Further, after more than two lithium battery packs are connected in parallel, they are then connected to the large-capacity lithium battery pack and discharged to the large-capacity lithium battery pack.
或者，2个以上的所述锂电池组并接在大容量锂电池组的不同部分电池组上，同时放电给大容量锂电池组中不同部份的电池组。Alternatively, more than two lithium battery packs are connected in parallel to different parts of the large-capacity lithium battery pack, and are simultaneously discharged to different parts of the large-capacity lithium battery pack.
进一步，在锂电池组放电结束后，通过在所述大容量锂电池组中的单体电池连接一个充电器，对大容量锂电池组进行均衡充电，均衡充电后的大容量锂电池组可用于对锂电池组进行充电，使能量回收后再次利用。Further, after the discharge of the lithium battery pack is completed, a charger is connected to the single battery in the large-capacity lithium battery pack to perform balanced charging on the large-capacity lithium battery pack, and the balanced charged large-capacity lithium battery pack can be used for Charge the lithium battery pack so that the energy can be recovered and reused.
进一步，所述大容量锂电池组与锂电池组的之间设有一个PTC元件或限流元件。Further, a PTC element or a current limiting element is provided between the large-capacity lithium battery pack and the lithium battery pack.
本发明的技术构思是通过能量转移让锂电池组对大容量锂电池组进行充电，即环保又实用，而且充电速度快，可靠性高。为了防止初始电流过大对锂电池组造成损害，在大容量锂电池组与锂电池组的之间设有一个PTC元件或低阻值限流元件。将能量回收的大容量锂电池组再均衡充电后可用于对锂电池组充电，让能量再一次充分利用。The technical idea of the invention is to allow the lithium battery pack to charge the large-capacity lithium battery pack through energy transfer, which is environmentally friendly and practical, and has fast charging speed and high reliability. In order to prevent the lithium battery pack from being damaged by excessive initial current, a PTC element or a low-resistance current-limiting element is provided between the high-capacity lithium battery pack and the lithium battery pack. The energy-recovered large-capacity lithium battery pack can be used to charge the lithium battery pack after equalizing charging, so that the energy can be fully utilized again.
所述锂电池组可以通过对锂电池组的电压、电流和温度监测来实现对锂电池组的容量、倍率电性能测试。The lithium battery pack can realize the capacity and rate electrical performance test of the lithium battery pack by monitoring the voltage, current and temperature of the lithium battery pack.
本发明有益效果：能量回收利用率高，环保实用，可靠性高。The invention has the beneficial effects of high energy recycling rate, environmental protection and practicality, and high reliability.
附图说明Description of drawings
图1本发明的一种实施例的原理框图。Fig. 1 is a functional block diagram of an embodiment of the present invention.
图2本发明的另一种实施例的原理框图。Fig. 2 is a functional block diagram of another embodiment of the present invention.
具体实施方式detailed description
下面结合具体实施例来对本发明进行进一步说明，但并不将本发明局限于这些具体实施方式。本领域技术人员应该认识到，本发明涵盖了权利要求书范围内所可能包括的所有备选方案、改进方案和等效方案。The present invention will be further described below in conjunction with specific examples, but the present invention is not limited to these specific implementations. Those skilled in the art will realize that the present invention covers all alternatives, modifications and equivalents as may be included within the scope of the claims.
实施例一Embodiment one
参照图1，一种锂电池组的能量回收方法，将需要放电的锂电池组1并接到大容量锂电池组2上，锂电池组1的放电最低电压值高于大容量锂电池组2充电最高电压值，电压差使锂电池组1的能量转移到大容量锂电池组2内，完成了锂电池组1的能量回收。Referring to Fig. 1, an energy recovery method for a lithium battery pack, the lithium battery pack 1 that needs to be discharged is connected to a large-capacity lithium battery pack 2, and the minimum discharge voltage value of the lithium battery pack 1 is higher than that of the large-capacity lithium battery pack 2 The highest charging voltage value and the voltage difference transfer the energy of the lithium battery pack 1 to the large-capacity lithium battery pack 2, completing the energy recovery of the lithium battery pack 1.
2个以上的所述锂电池组1并联后，再并接到大容量锂电池组2上放电给大容量锂电池组2。After more than two lithium battery packs 1 are connected in parallel, they are then connected to the large-capacity lithium battery pack 2 and discharged to the large-capacity lithium battery pack 2 .
在锂电池组1放电结束后，通过在所述大容量锂电池组2中的单体电池连接一个充电器，对大容量锂电池组2进行均衡充电，均衡充电后的大容量锂电池组2可用于对锂电池组1进行充电，使能量回收后再次利用。After the discharge of the lithium battery pack 1 is completed, a charger is connected to the single battery in the large-capacity lithium battery pack 2 to carry out balanced charging to the large-capacity lithium battery pack 2, and the large-capacity lithium battery pack 2 after the balanced charging It can be used to charge the lithium battery pack 1 so that the energy can be recovered and reused.
所述大容量锂电池组2与锂电池组1的之间设有一个PTC元件或限流元件3。A PTC element or a current limiting element 3 is provided between the high-capacity lithium battery pack 2 and the lithium battery pack 1 .
本发明的技术构思是通过能量转移让锂电池组1对大容量锂电池组2进行充电，即环保又实用，而且充电速度快，可靠性高。为了防止初始电流过大对锂电池组1造成损害，在大容量锂电池组2与锂电池组1的之间设有一个PTC元件或低阻值限流元件3。将能量回收的大容量锂电池组2再均衡充电后可用于对锂电池组1充电，让能量再一次充分利用。The technical idea of the present invention is to allow the lithium battery pack 1 to charge the large-capacity lithium battery pack 2 through energy transfer, which is environmentally friendly and practical, and has fast charging speed and high reliability. In order to prevent the lithium battery pack 1 from being damaged by excessive initial current, a PTC element or a low-resistance current-limiting element 3 is provided between the high-capacity lithium battery pack 2 and the lithium battery pack 1 . The large-capacity lithium battery pack 2 recovered from energy can be used to charge the lithium battery pack 1 after being balancedly charged again, so that the energy can be fully utilized again.
所述锂电池组1可以通过对锂电池组1的电压、电流和温度监测来实现对锂电池组的容量、倍率电性能测试。The lithium battery pack 1 can realize the capacity and rate electrical performance test of the lithium battery pack 1 by monitoring the voltage, current and temperature of the lithium battery pack 1 .
实施例二Embodiment two
参见图2，本实施例与实施例一的不同之处在于：2个以上的所述锂电池组1并接在大容量锂电池组2的不同部分电池组上，2个以上的所述锂电池组1同时放电给大容量锂电池组2中不同部份的电池组。其余的均与实施例一相同。Referring to Fig. 2, the difference between the present embodiment and the first embodiment is that more than two lithium battery packs 1 are connected in parallel to different parts of the high-capacity lithium battery pack 2, and more than two lithium battery packs 2 are connected in parallel. The battery pack 1 is simultaneously discharged to different parts of the high-capacity lithium battery pack 2 . All the rest are the same as in Example 1.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201310315325.4A CN103414222B (en) | 2013-07-24 | 2013-07-24 | A kind of energy reclaiming method of lithium battery group |
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| CN201310315325.4A CN103414222B (en) | 2013-07-24 | 2013-07-24 | A kind of energy reclaiming method of lithium battery group |
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| CN103414222B true CN103414222B (en) | 2017-03-08 |
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| CN108418274B (en) * | 2018-04-02 | 2022-04-29 | 广州昂宝电子有限公司 | Multi-port battery charger |
| CN113964903B (en) * | 2021-10-26 | 2024-07-02 | 上海蜘蛛网技术开发有限公司 | Battery management method and system supporting parallel connection of multiple groups of batteries |
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| EP1710888A1 (en) * | 2004-01-29 | 2006-10-11 | Bozidar Konjevic Lisac | Method and device for supplying a charge with electric energy recovery |
| CN101882813B (en) * | 2010-06-02 | 2013-05-08 | 中国科学院电工研究所 | Mixed energy storage system |
| CN102088116B (en) * | 2010-07-30 | 2012-11-21 | 比亚迪股份有限公司 | Heating circuit of battery |
| CN102545294A (en) * | 2010-12-30 | 2012-07-04 | 黄绪耀 | Waste electric energy recycling device |
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