Patent ID: 7199539
Filing Date: 2007-04-03
Classification: H02P

Abstract:
1. A motor soft start controller comprising: a rectifying and voltage-stabilizing circuit connected with an AC power for converting AC into DC; a microprocessor connected with said rectifying and voltage-stabilizing circuit for output of signal and data processing, said microprocessor entering a protection mode upon idling for a predetermined time; a motor switch connected with said AC power and a motor for switching on/off said motor; a reset button connected with said AC power and said microprocessor for resetting said microprocessor and enabling the microprocessor to release said protection mode upon pushed; a signal amplifying circuit connected with a touch piece and said microprocessor for amplifying a signal generated by a user touching said touch piece and for transmitting said amplified signal to said microprocessor; a motor driving circuit connected with said motor and said microprocessor, said signal circuit having a first TRIAC, an electrically controlled switch, a second TRIAC, and a capacitor, for driving operation of said motor; and a current detecting circuit connected with said first TRIAC and said microprocessor for detecting amperage of current flowing through said motor.