Selection of Sanyo sanace silent fan-Capital-Cooling fan manufacturer

Silencing of cooling fans is an issue that most customers pay more attention to. They will ask to provide silencing fans of a certain size. Fans of the same size are required to have similar PQ characteristic curves, but their noise requirements are much lower. But is there really a completely silencing cooling fan?

First of all, the noise of the cooling fan comes from the fluid noise, motor noise and mechanical noise, mainly from the fluid noise of the fan blade cutting wind.

Secondly, if the size of the cooling fan is the same and the PQ curve is similar, the fan blades will be similar, the rotation speed will be similar, and the noise will be similar. Of course, if the bearings and fan blades used by international brands, Taiwan brands and domestic brands are better designed and dynamically balanced than those used by international brands, the noise will also be lower. It is unrealistic to require a lot of noise reduction.

If you need to reduce the noise a lot, you need to seek help from the cooling fan engineer and other professionals. First of all, the cooling fan should not be installed on the equipment. Confirm whether the noise is itself or after assembly, and noise will be generated due to improper assembly structure and turbulent flow. Secondly, optimize the air duct and installation method, and then measure the required air volume of the cooling fan through the instrument before selecting the cooling fan; The following figure shows that the noise can be reduced by 10dba through test and selection

The so-called silent fan needs professional technical support to select the most suitable fan according to wind resistance and action air volume, so as to make the best product.

Capital Technology Co., Limited is the chief agent of SANYO DENKI, one of the leading enterprises of the cooling fan industry. We are a factory who also have our own independent brand CAPITAL product series. The main products are cooling fan, DC/AC fan, radiator, filter, reactor etc. We can provide customer with the most professional and perfect technical support, welcome to contact me at anytime at rainlee@szcpt.com.

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