When we use axial fan, how to quickly judge the cause of fan failure, and take effective measures to solve the problem, 1. The axial flow fan does not rotate, check whether the power supply is connected 2. The lubricating oil is spoiled or ...
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142020-04
Common faults of axial fan and their solutions152020-04
How to install axial fanThe use of axial flow fan industry is very many, in the accessories are indispensable, so many first-time use of axial flow fan may not know how to install, so we look at how the axial flow fan is installed? Installation Items 1, suspended ...
152020-04
How to choose the type of small axial fanSmall axial flow fans are widely used. Although it is common, many manufacturers still encounter many difficulties when choosing them. So what should we pay attention to when choosing small axial flow fans, 1. Need to determine the total...
162020-04
Ventilation efficiency of DC fanDC fans are generally used in one of two ways, to dissipate heat from equipment or to improve air circulation. 1. When the equipment is cooled, the cooling effect of the DC fan is limited by the internal impedance of the equipment system. I...
172020-04
What is the starting voltage of the DC fan?The starting voltage of the DC fan depends on the following two points: 1. This minimum voltage must provide sufficient and continuous bias voltage to the fan control circuit. This minimum voltage must be higher than the trigger voltage of ...
172020-04
Method for defining the life of DC fansDC Fan product parameters including operating current, speed, temperature rise and noise, must be measured and recorded before the start of the life test. Then the life test can start, and record the start date, life test prototype must be ...
182020-04
DC FAN PWM speed role?DC Fan this function is to use pulse width modulation signal to control the fan speed, pulse signal frequency range: 30hz-30khz. The high-level voltage of the pulse signal can be any voltage between 3 and 10V, and the low-level voltage of t...
202020-04
Why is RPM IMPORTANT FOR DC fans?Many manufacturers choose DC fan manufacturers, first consider the use of the environment and needs of what characteristics, and then according to these standards to find their own fans, what RPM stands for, hOW IMPORTANT IS RPM? One way to...
202020-04
How to choose a good DC FAN?All DC fan manufacturers use almost the same raw materials, assuming that there is no serious defects in the product, then the fan life is mainly determined by the life of bearings (ball bearings) . In addition to the effect of ball bea...
212020-04
What is the difference between DC FAN and AC fan?The application of DC fan and AC fan is very extensive, can be used according to different environment to choose, in life is also an indispensable accessories. DC Fan power consumption is low, high efficiency, low noise, long service life, ...