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Photoelectric energy storage system

An energy storage system and photoelectric technology, applied in photovoltaic power generation, current collectors, electric vehicles, etc., can solve the problems of large loss and achieve the effects of improving service life, avoiding overcharging, and avoiding instability

Inactive Publication Date: 2018-03-20
新克科技有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

At present, most solar equipment is equipped with a lithium battery, and the lithium battery is charged and discharged at the same time, resulting in a large loss

Method used

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Embodiment Construction

[0017] refer to figure 1 A photoelectric energy storage system proposed by the present invention includes: a photovoltaic element, a first lithium battery, a second lithium battery, a control module and a power supply output terminal.

[0018] The photovoltaic element is connected to the charging terminal of the first lithium battery and the charging terminal of the second lithium battery through the first relay and the second relay respectively. When the first relay is closed, the first lithium battery obtains the electric energy converted by the photovoltaic element to supplement the electricity; when the second relay is closed, the second lithium battery obtains the electric energy converted by the photovoltaic element to supplement the electric quantity.

[0019] The output end of the first lithium battery is connected to the power supply output end through the third relay, and the output end of the second lithium battery is connected to the power supply output end through...

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Abstract

The invention discloses a photoelectric energy storage system. A control module carries out interlocking control on a third relay and a fourth relay to ensure that there is one and only one relay closed among the third and fourth relays. Thus, the load can always work properly, and the instability of power supply by two power sources is avoided. By interlocking a first relay and the third relay through the control module, a first lithium battery is prevented from being charged and discharged at the same time, and the service life of the first lithium battery is prolonged. By interlocking a second relay and the fourth relay, the service life of a second lithium battery is prolonged.

Description

technical field [0001] The invention relates to the technical field of photoelectric energy storage, in particular to a photoelectric energy storage system. Background technique [0002] Solar power generation has now entered a mature stage of technology. With the popularization of solar energy equipment, many families have also begun to introduce it. At present, most solar equipment is equipped with a lithium battery, and the lithium battery is charged and discharged at the same time, resulting in a large loss. Contents of the invention [0003] Based on the technical problems existing in the background technology, the present invention proposes a photoelectric energy storage system. [0004] A photoelectric energy storage system proposed by the present invention includes: a photovoltaic element, a first lithium battery, a second lithium battery, a control module, and a power supply output terminal; [0005] The photovoltaic element is respectively connected to the char...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H02J7/35H02J7/00
CPCH02J7/0013H02J7/0021H02J7/0026H02J7/00302H02J7/35Y02E10/56
Inventor 张万如岑朝军殷大伟
Owner 新克科技有限公司