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[Heat dissipation knowledge] Classification of cooling fans and application of their working principles

Release time:

2019-08-26

Consistent wind direction drains to the outside of the chassis. Cooling fan The working principle is realized by energy conversion, namely: electrical energy → electromagnetic energy → mechanical energy → kinetic energy. Classification 1. Axial fan: The blades of the axial fan push the air to flow in the same direction as the shaft. The impeller and propeller of an axial fan are somewhat similar. When it is working, most of the airflow flows parallel to the shaft, in other words, along the axis. 2. Centrifugal fan: When the centrifugal fan works, the blades push the air to flow in a direction perpendicular to the shaft (ie radial). The air intake is along the axis, while the air outlet is perpendicular to the axis.

Consistent wind direction drains to the outside of the chassis.
The working principle is realized by energy conversion, namely: electrical energy → electromagnetic energy → mechanical energy → kinetic energy.
 
Classification
1. Axial fan: The blades of the axial fan push the air to flow in the same direction as the shaft. The impeller and propeller of an axial fan are somewhat similar. When it is working, most of the airflow flows parallel to the shaft, in other words, along the axis.
2. Centrifugal fan: When the centrifugal fan works, the blades push the air to flow in a direction perpendicular to the shaft (ie radial). The air intake is along the axis, while the air outlet is perpendicular to the axis.
3. Mixed-flow fan: This kind of fan has higher wind pressure due to its conical blades and outer cover. Under the same size and other comparable performance, the centrifugal fan has lower noise than the axial fan.
 
Application
Widely used in computers, communication products, optoelectronic products, consumer electronics, automotive electronic equipment, exchangers, medical equipment, heaters, air conditioners, frequency converters, teller machines, car freezers, welding machines, induction cookers, audio equipment, environmental protection equipment, refrigeration equipment and other traditional or modern instruments and equipment.
 
The above is the classification of cooling fans and their working principles. Shenzhen Jiangshanlai Electronic Technology Co., Ltd. is a large-scale enterprise specializing in the customization, research and development, manufacturing, sales and service of DC brushless motors, DC cooling fans, DC brushless fans, DC bracket fans, pressurized cooling fans, micro cooling fans, DC blowers, and non-standard fans, DC fan wholesale manufacturers and DC fan suppliers. Products sell well in Guangdong, Shenzhen, Guangzhou, Dongguan, Fujian, Zhejiang, Jiangsu and other places.
If there is a need, you can consult us.

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