"24V DC Cooling Fan" according to the different structures can be divided into different categories, specific types: axial fans, centrifugal fans, mixed flow fans, cross flow fan. Generally in life are more common and the use of axial fans and centrifugal fan of both. "24V DC Cooling Fan" works by energy conversion to be achieved, namely: electricity electromagnetic energy → → → kinetic energy to mechanical energy. Its circuit diagram is generally divided into a variety of forms, the use of different circuits, there will be differences in the performance of the fan. "24V DC Cooling Fan" is widely used in computers, communications products, optical products, consumer electronics, automotive electronics, switches, medical equipment, heaters, air conditioners, invert, ATM, car refrigerator, welding machines, induction cooker, audio equipment, environmental equipment, refrigeration equipment and other traditional or modern equipment on.