Power supply device

A power supply device is such that when an output voltage is abnormal, a system manager or the like can easily acquire information effective in identifying a cause of the abnormality. The power supply device includes a first light emitting element (22) installed to be visually recognizable from an e...

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Bibliographische Detailangaben
Hauptverfasser:	KAWATAKA NOBUTO, HIROSE YUJI, MORIYA SHINJI, HIRAMATSU MASANOBU, USUI YUTA, KOBAYASHI HIKARU
Format:	Patent
Sprache:	chi ; eng
Schlagworte:	ALARM SYSTEMS APPARATUS FOR CONVERSION BETWEEN AC AND AC, BETWEEN AC AND DC,OR BETWEEN DC AND DC, AND FOR USE WITH MAINS OR SIMILAR POWERSUPPLY SYSTEMS CONTROL OR REGULATION THEREOF CONVERSION OF DC OR AC INPUT POWER INTO SURGE OUTPUTPOWER CONVERSION OR DISTRIBUTION OF ELECTRIC POWER ELECTRICITY EMERGENCY PROTECTIVE CIRCUIT ARRANGEMENTS GENERATION MEASURING MEASURING ELECTRIC VARIABLES MEASURING MAGNETIC VARIABLES ORDER TELEGRAPHS PHYSICS SIGNALLING SIGNALLING OR CALLING SYSTEMS TESTING TRANSMISSION SYSTEMS FOR MEASURED VALUES, CONTROL OR SIMILARSIGNALS
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Beschreibung
Zusammenfassung:	A power supply device is such that when an output voltage is abnormal, a system manager or the like can easily acquire information effective in identifying a cause of the abnormality. The power supply device includes a first light emitting element (22) installed to be visually recognizable from an exterior, and a light emitting element control unit (26) that drives the first light emitting element (22). When an output voltage (Vo) is abnormal, the light emitting element control unit (26) causes the first light emitting element (22) to flash, thereby convert at least one of specific power supply operation information (TDJ) used for inferring a cause of the output voltage (Vo) being abnormal and cause information (GJ) inferred based on the specific power supply operation information (TDJ) into an optical digital signal formatted for serial communication, and causes the optical digital signal to be output from the first light emitting element (22). The power supply device includes a second light emitting element