Technical Index of DC COOLING FAN 

Air Volume: Air Volume refers to the total volume of air discharged or admitted per minute by DC Cooling Fan, air volume is the most important index to measure the cooling capacity of DC Cooling Fan, obviously, the higher the air flow rate, the higher the cooling capacity. The cooling effect is related to the flow direction of the wind.

Wind pressure: Wind volume and wind pressure are two relative concepts, in general, in the cost savings of manufacturers under consideration, to design the fan volume is large to sacrifice some wind pressure. If the fan can drive a large amount of air flow, single wind pressure is small, the wind can not blow to the bottom of the radiator, on the contrary, high wind pressure often means that the wind volume is small, there is not enough cold air for heat exchange, also can cause poor heat dissipation effect,

Rotating speed: The rotating speed of the fan is the number of times per minute. The rotating speed of the fan is determined by the number of turns of the coil in the motor, the working voltage, the number of the Fan Blades, the tilt angle, the height, the diameter and the bearing system, there is no necessary relationship between the rotational speed and the quality of the Fan. The rotational speed of the fan can be measured either by the internal rotational speed signal or by the external one.

Noise: In addition to the effect of heat dissipation, the operating noise of the fan is also a matter of general concern. The noise of the DC heat dissipation fan is the size of the noise generated when the fan is working, which is affected by various factors, the noise is related to friction and air flow. The higher the speed of rotation, the greater the amount of wind, the greater the noise caused. In addition, the vibration of the fan itself is also a factor that can not be ignored. The vibration of the high-quality Fan itself is very small, as well as the bearing of the fan, the friction between the rotor and the bearing at high speed is also a major source of fan noise.

The above is a brief introduction of the technical specifications of the DC cooling fan by Dong Xing Yue. When choosing the DC cooling fan, choose a guaranteed manufacturer, with quality and after-sales guarantee, a good DC cooling fan determines the normal operation of the equipment, but also to extend its service life, efficiency also increased, if you want to know more about the cooling fan knowledge can be http://www.dxymotors.com。 .