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Principle of electric actuator
1. Principle of electric actuator
Actuator, also known as actuator, is a kind of commonly used mechatronics equipment in the field of automatic control. Its most extensive definition is: a kind of driving device that can provide linear or rotary motion. It uses some driving energy and works under some control signal. The actuator uses liquid, gas, electricity or other energy sources and converts them into driving force through motors, cylinders or other devices.
Electric actuator
2. Principle of electric actuator classification
According to the power type, electric actuators can be divided into pneumatic, hydraulic, electric, electro-hydraulic and other categories; according to the form of motion, they can be divided into straight stroke, angular stroke, rotary and other categories; According to different standards, electric type can be divided into: combined structure, mechatronics structure, electrical control type, electronic control type, intelligent control type, digital type, analog type, infrared remote control debugging type, etc. Due to the incomparable advantages of several other types of medium, the electric type has the fastest development and wide application in recent years.
Electric actuator
3. Principle of electric actuator
Next, we take the MD series electric actuator as an example to introduce its principle. MD series electric actuator is a servo mechanism driven by AC servo motor. The PM-2 control board of position positioner mainly receives the 4 ~ 20mA DC control signal from the regulating system and the position feedback borrowed signal from the position transmitter for comparison. After comparison, the signal deviation is conducted through the amplifier power stage, and then the output of the actuator is driven by the mutual motor Move in the direction of reducing the deviation until the deviation signal is less than the set value. At this time, the output of the actuator can be stable in the position corresponding to the input signal.
Electric actuator manufacturer
4. Principle of electric actuator -- Application
The actuator is mainly used to drive the valve to the fully open or fully closed state. The actuator used to control the valve can make the valve in any position accurately. Although most of the actuators are used to open and close the valve, the design of the actuators has gone far beyond the simple function of opening and closing. They include position sensing device, torque sensing device, electrode protection device, logic control device, digital communication module and PID control module, all of which are installed in a compact shell.
Actuator, also known as actuator, is a kind of commonly used mechatronics equipment in the field of automatic control. Its most extensive definition is: a kind of driving device that can provide linear or rotary motion. It uses some driving energy and works under some control signal. The actuator uses liquid, gas, electricity or other energy sources and converts them into driving force through motors, cylinders or other devices.
Electric actuator
2. Principle of electric actuator classification
According to the power type, electric actuators can be divided into pneumatic, hydraulic, electric, electro-hydraulic and other categories; according to the form of motion, they can be divided into straight stroke, angular stroke, rotary and other categories; According to different standards, electric type can be divided into: combined structure, mechatronics structure, electrical control type, electronic control type, intelligent control type, digital type, analog type, infrared remote control debugging type, etc. Due to the incomparable advantages of several other types of medium, the electric type has the fastest development and wide application in recent years.
Electric actuator
3. Principle of electric actuator
Next, we take the MD series electric actuator as an example to introduce its principle. MD series electric actuator is a servo mechanism driven by AC servo motor. The PM-2 control board of position positioner mainly receives the 4 ~ 20mA DC control signal from the regulating system and the position feedback borrowed signal from the position transmitter for comparison. After comparison, the signal deviation is conducted through the amplifier power stage, and then the output of the actuator is driven by the mutual motor Move in the direction of reducing the deviation until the deviation signal is less than the set value. At this time, the output of the actuator can be stable in the position corresponding to the input signal.
Electric actuator manufacturer
4. Principle of electric actuator -- Application
The actuator is mainly used to drive the valve to the fully open or fully closed state. The actuator used to control the valve can make the valve in any position accurately. Although most of the actuators are used to open and close the valve, the design of the actuators has gone far beyond the simple function of opening and closing. They include position sensing device, torque sensing device, electrode protection device, logic control device, digital communication module and PID control module, all of which are installed in a compact shell.