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Stepping motor speed control method
19-07-2019
The stepping motor can only be controlled by digital signals. When the pulse is supplied to the driver, the number of pulses emitted by the control system is too large in too short time, that is, the pulse frequency is t...
What are the precautions for air cooler application selection and use?
15-07-2019
What are the precautions for the selection of the air cooler? A: Frosting of the air cooler: When the working temperature of the air cooler is lower than zero or lower than the dew point of the air, frosting begin...
Stepping motor acceleration and deceleration control
13-07-2019
As we all know, stepper motors are different from ordinary motors and can be used when plugged in. The stepping motor can only be controlled by digital signals. When the pulse is supplied to the driver, the number of pu...
What are the characteristics and advantages of negative pressure fans?
10-07-2019
Negative pressure fans are ventilation and cooling equipment for many aquaculture plants, but what is the structure of negative pressure fans? What are the characteristics and advantages? Why do so many aquaculture plant...
Whether the curtain air cooler is suitable for all places
08-07-2019
The water curtain air cooler is essentially one of the air coolers. Therefore, for this type of air cooler, we should have a comprehensive understanding and understanding, instead of staying on the surface, thus not cond...
Mechanical Ventilation（NOSCH MOTOR）
05-07-2019
Fan The energy required to flow air in a mechanical ventilation system is supplied by the fan. Commonly used fans are centrifugal and axial flow type: 1 centrifugal fan, high fan head and low noise. The back-bend ...