POWER UNIT AND EMERGENCY LIGHTING SYSTEM

To obtain a power unit and an emergency lighting system which can suppress increase of the number of components to change charging current regarding the power unit and the emergency lighting system.SOLUTION: A power unit concerning the present invention comprises: a battery; a charging circuit which...

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Bibliographische Detailangaben
Hauptverfasser:	AIBA AKIHO, HIRAMOTO YUYA, ANO YASUNORI
Format:	Patent
Sprache:	eng ; jpn
Schlagworte:	CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTINGELECTRIC POWER CONVERSION OR DISTRIBUTION OF ELECTRIC POWER ELECTRICITY GENERATION SYSTEMS FOR STORING ELECTRIC ENERGY
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Beschreibung
Zusammenfassung:	To obtain a power unit and an emergency lighting system which can suppress increase of the number of components to change charging current regarding the power unit and the emergency lighting system.SOLUTION: A power unit concerning the present invention comprises: a battery; a charging circuit which charges the battery; and a control part which controls the charging circuit so that charging current flowing from the charging circuit to the battery coincides with a target value, and lowers the target value when predetermined charging time elapses from the start of charging.SELECTED DRAWING: Figure 2 【課題】本発明は電源装置および非常用照明装置に関し、部品数の増加を抑制して充電電流を変更できる電源装置および非常用照明装置を得ることを目的とする。【解決手段】本発明に係る電源装置は、電池と、該電池を充電する充電回路と、該充電回路から該電池へ流れる充電電流が目標値と一致するように該充電回路を制御し、充電の開始から予め定められた充電時間が経過すると該目標値を低下させる制御部と、を備える。【選択図】図２