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Air Conditioner Motor Elect The Switch According To The Operating Status

Zhejiang Kening Motor Co.,Ltd | Updated: Aug 07, 2017

Air conditioner fan motor is generally single-phase asynchronous motor, using PSC wiring.

According to the needs of the use of fan motor speed control, speed control methods are: stator winding tap speed, SCR speed and so on.

By changing the motor stator winding turns to change the main winding on the operating voltage, so as to achieve the purpose of changing the flux, adjust the speed. Tap-type speed control of the PSC motor stator windings from the main winding, secondary winding and the middle winding (speed winding) three parts.

SCR, also known as thyristor, Air Conditioner Motor one-way thyristor and two-way thyristor two-way, one-way thyristor characteristics, when the thyristor to withstand the positive anode voltage, plus positive voltage in the gate and a certain gate current When the component turns on.

In the case of a tube, the door is lost. Thyristor in the case of conduction, only when its positive anode voltage to a certain value or anode voltage becomes negative, the tube cut off.

Triac, when the tube is turned on, when the voltage drops below or below the minimum voltage, the tube is cut off until the next trigger signal (pulse signal) arrives.

Solid State Relays: Solid State Relays referred to as SSR, which is a non-contact semiconductor relay with bidirectional thyristors.

When the trigger signal is applied to the input, the phototransistor performs on-off control of the load.

In the air conditioner fan motor speed,Air Conditioner Motor the single-chip output high and low level as a solid-state relay trigger signal, and through the auxiliary circuit to detect the power frequency sinusoidal current zero point, by the program control time, and then connected to the load at a certain moment Of the current.

When the power supply current is zero, the thyristor is automatically turned off so that the required effective voltage can be obtained. If the voltage is supplied to the motor, the motor winding voltage can be changed to obtain the corresponding speed.

Stepper motor is an electrical pulse signal into a linear displacement or angular displacement of the implementation of components, that is, plus a pulse signal in the motor, the motor on the move step.

The rotor is made of permanent magnet cylindrical polar magnetic rotor, the stator inner circle and the rotor outer circle has a certain eccentricity, so the air gap is not uniform, the smallest air gap, that is, the smallest magnetoresistance.

The stator armature sets a concentrated winding, and the winding ends are energized by a dedicated power supply. When the stator winding is not energized, there is a magnetic flux generated by the permanent magnet rotor in the motor circuit.

This flux will cause the axis of the rotor pole to converge to the position where the magnetoresistance is minimized.

When the power supply to the motor winding to add a pulse,Air Conditioner Motor the stator two poles and the polarity of the two poles of the rotor repulsive, the rotor in the direction of the arrow n counterclockwise turn about 180 ° until the stator pole and rotor magnetic pole opposite the opposite sex.

The air conditioner is equipped with a micro-motor that is a permanent magnet synchronous jaw pole self-starting synchronous motor.

The motor drive voltage is ~ 220V / 50Hz, its stator by the cup-shaped shell, ring single-phase coil and claw pole pieces; the rotor is a high coercivity ferrite magnetic ring.

The claw pole is evenly distributed along the circumference, and the logarithm of the pawl pole (the logarithm of the poles) is determined by the required synchronous speed. Swing motor claw pole pairs,Air Conditioner Motor low speed, large torque, the output power is small, simple structure, no fixed steering.

The master switch is usually mounted on the air conditioner's control panel. It is connected to the compressor, fan and other equipment to implement the power switch, but also switch the air conditioner running status selection switch.