Patent ID: 6456508
Filing Date: 2002-09-24
Classification: H02J,H02M

Abstract:
A drive apparatus for a vibrating-type compressor, the drive apparatus comprising: a DC power source; an inverter including switching elements and adapted to convert direct current to alternating current through alternating switching of the switching elements; and an inverter control unit for controlling the alternating current supplied from the inverter to the vibrating-type compressor, wherein the DC power source comprises:a first power supply including a battery and a DC/DC converter for converting direct current from the battery to direct current of a different voltage; a second power supply including a commercial AC power source and an AC/DC converter for converting alternating current from the commercial AC power source to direct current; a diode OR circuit to which are connected the first and second power supplies; and a circuit which, upon detection of a voltage output from the second power supply, operates to stop the output of the first power supply via a DC/DC converter control unit for controlling the DC/DC converter.