Professional manufacturing and production of radiator cooling fans, condenser fans and fan motors, etc.

Auto cooling fan also need protection

by:TOCH     2021-01-27
Everyone know the cooling fan, it is a kind of important modern industrial machinery cooling device, its structure generally consists of blades, shell ( The fixed hole) , motor, bearing parts, power plug and wire. Motor is the core of the cooling fans, of course, it generally consists of stator and rotor of two parts, motor running when the stationary part called the stator, the runtime rotational part called the rotor. So, in contrast, auto cooling fan with impedance protection function?
auto cooling fan at the time of use, impedance will have two functions, one is the impedance protection function, is a kind of thermal protection function were introduced as follows: the first one,
impedance protection: auto cooling fan is by dc voltage and electromagnetic induction, the electrical energy into mechanical energy to drive the blades rotating a cooling device. Auto cooling fan impeller and blade design, with auto cooling fan, air volume and air pressure and pressure collision resistance ability of the blades, serious point that affect the entire automotive cooling fan of the grade and quality. Therefore, in order to prevent motor loss in closed, impedance protection set motor coil impedance ( Ac resistance) , keep the motor temperature rise under burning temperature.
the second, thermal protection function: the motor loss in closed to prevent, on the motor temperature rise before burning temperature is reached, typically by hot components to cut off the fan without overheating protection, normal car radiator fan can only lock machine for 2 hours, with the temperature rising slowly, over time, the motor will be burnt, IC will be burned to death, it is also an important role in overheating protection. So relatively speaking, the product has the two characteristics, can have longer service life for the product.
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