Stay wire free electric throttle controller

The utility model relates to throttle valve control technology, in particular to a stay wire free electric throttle controller. The stay wire free electric throttle controller at least comprises a motor, an angle sensor, a return spring, a controller, an air throttle, and a throttle valve control shaft of the air throttle, and is characterized in that the throttle valve control shaft of the air throttle is coaxially connected with the output shaft of the motor; the angle sensor connected between the throttle valve control shaft and the output shaft of the motor adopts a differential capacitive angle sensor; two fixed electrode plates of the differential capacitive angle sensor are fixed with a housing; one movable electrode plate of the differential capacitive angle sensor is fixed with the output shaft of the motor; and when receiving a throttle control instruction, the controller detects the capacitance of the differential capacitive angle sensor according to the throttle control instruction, and controls the motor to drive the throttle valve control shaft to rotate. The stay wire free electric throttle controller provided by the utility model has the advantages of long service life, safety and reliability.