POWER SUPPLY DEVICE AND LOAD CONTROL SYSTEM

PROBLEM TO BE SOLVED: To provide a power supply device which can supply power to a load even if an external transmission function fails and an external signal for controlling on/off of a relay is not inputted, and to provide a load control system including this power supply device.SOLUTION: A power...

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Bibliographic Details
Main Author MIGITA KOJI
Format Patent
LanguageEnglish
Japanese
Published 21.04.2016
Subjects
BASIC ELECTRIC ELEMENTS
ELECTRIC SWITCHES
ELECTRICITY
EMERGENCY PROTECTIVE DEVICES
RELAYS
SELECTORS
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Summary:PROBLEM TO BE SOLVED: To provide a power supply device which can supply power to a load even if an external transmission function fails and an external signal for controlling on/off of a relay is not inputted, and to provide a load control system including this power supply device.SOLUTION: A power supply device 2 includes a breaker 6 connected with an AC power supply Vs, and turning the input of the AC power supply Vs on/off, a relay 7 connected to the output side of the breaker 6, and turning the supply of AC power supply Vs on/off, and a control section 8 inputting an external signal for controlling on/off of the relay 7, controlling on/off of the relay 7 depending on the external signal, and controlling the relay 7 connected with the breaker 6 on, when input of the external signal is abnormal, and the breaker 6 is turned on/off a predetermined number of times from the on state, within a predetermined time.SELECTED DRAWING: Figure 1 【課題】外部からの伝送機能に障害が発生し、リレーのオンオフを制御する外部信号が入力されなくなっても負荷に電源を供給可能な電源装置およびこの電源装置を具備する負荷制御システムを提供する。【解決手段】電源装置２は、交流電源Ｖｓに接続され、交流電源Ｖｓの入力をオンオフするブレーカ６と、ブレーカ６の出力側に接続され、交流電源Ｖｓの供給をオンオフするリレー７と、リレー７のオンオフを制御する外部信号を入力し、外部信号に応じてリレー７をオンオフ制御し、外部信号の入力が異常であるときにブレーカ６が所定時間内にオン状態から所定回数オフオンされると当該ブレーカ６に接続されたリレー７をオン制御する制御部８と、を具備している。【選択図】図１
Bibliography:Application Number: JP20140180784