ELECTRIC DRIVE OF CENTRIFUGE OF DOMESTIC WASHER Russian patent published in 1995 - IPC

FIELD: electric engineering. SUBSTANCE: brake unit of the electric drive has the fourth diode, capacitor and electromagnet relay, provided with a coil and contacts for closing and switching to two positions. Terminals of time relay and microswitches of the cap of the centrifuge are made in form of make contacts. Anode of the second diode is connected with terminal for connecting to single terminal of power supply. Cathode of the second diode is connected to movable terminal of two-position switch of electromagnet relay. One motionless terminal of the relay is connected to the other output of the first resistor. The other motionless terminal of two-position switch of electromagnet relay is connected to the other output of one winding of electric engine and two one output of make contact of the electromagnet relay. The other output of the relay is connected to cathode of the third diode, which has anode connected with anode of the fourth diode, with free and of make contact of time relay and terminal for connecting to the other terminal of power supply. Cathode of the fourth diode is connected with the second output of the fourth diode through capacitor introduced and to free end of make contact of microswitch of cap of the centrifuge. One output of the third resistor is connected to one output of controlled switch. The other end of the switch is connected with cathode of the fourth diode through the coil of electromagnet relay. EFFECT: improved efficiency; reduced brake time. 2 dwg