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Noise processing method of DC cooling fan

Release time:

2019-12-16

The DC cooling fan is very strange and familiar to us. It is strange because of its name, and it becomes familiar because we often touch it. We see it whenever we disassemble old equipment or repair household appliances. Then the following editor will explain the causes and treatment methods of DC cooling fan noise.

The DC cooling fan is very strange and familiar to us. It is strange because of its name, and it becomes familiar because we often touch it. We see it whenever we disassemble old equipment or repair household appliances. Then the editor below will explainDC cooling fanCauses and treatment of noise.
Before that, we must first understand the factors related to the noise of the DC cooling fan:
1. Speed: Of course, the faster the DC fan rotates, the larger the fan and the greater the noise.
2. Bearing: The bearing of the DC fan is briefly divided into two types, one is oil and the other is ball. Under normal conditions, ball bearing fans are noisier than bearing bearing fans.
3. Airflow: During the rolling of the fan blades, they will encounter resistance in the air. The faster the rolling speed, the larger the blade area, the greater the resistance, and therefore the greater the noise.
4. Conflict force: If the fan is used for too long, the fan will over-frame, vibrate, and the center of gravity will be unstable, which will cause collision or conflict between the fan blades and the fan frame, and then generate noise.
DC cooling fanNoise processing method:
1. Select the appropriate fan specifications and parameters according to the actual situation. Don't blindly pursue speed.
2. Clean the dust regularly and refuel the fan to reduce the conflict between the fans.
3. Choose the best quality products, preferably brand products, because the brand is the guarantee of quality and after-sales, so don't be cheap.
4. Put a sponge, rubber or cotton cloth between the fan and the fixed end to reduce the noise caused by the feeling caused by the high-speed rotation of the fan.
The above are the factors that cause the noise of the DC cooling fan and some solutions, I hope it will be helpful to everyone
 

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