| 摘要 |
PURPOSE: A non-contact type battery pack charger is provided to prevent an electric power waste according to an inductive load and to charge satisfactorily a battery pack having a different charging capacity. CONSTITUTION: A non-contact type battery pack charger(100) comprises a power controlling unit(110) for supplying a DC power to a main controlling unit(120) and a variable voltage frequency generating unit(130), the variable voltage frequency generating unit for controlling an operation by the main controlling unit and outputting a driving DC power of the power controlling unit to a magnetic field generating unit(140) after converting to a frequency having a predetermined voltage, the magnetic field generating unit for radiating a magnetic force to the outside by inputting an output frequency from the variable voltage frequency generating unit, a voltage comparing unit(150) for outputting to the main controlling unit after comparing and detecting a voltage of the magnetic field generating unit and a voltage inputted from the magnetic field generating unit, a current comparing unit(160) for outputting to the main controlling unit after converting with a current and comparing and detecting a voltage of the magnetic field generating unit and a voltage inputted from the magnetic field generating unit, a voltage detecting unit(170) for outputting to the main controlling unit by detecting an output voltage of the variable voltage frequency generating unit, and a current detecting unit(180) for outputting to the main controlling unit after converting with a current by detecting a voltage of the magnetic field generating unit.
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