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SSP主动降噪系统-传统物理降噪，被动降噪技术

作者：净水行业协会来源：未知发布时间：2020-04-15 15:41 浏览量：

SSP Active Noise Reduction System

根据声学原理主动降噪，从噪声源着手，将空气净化器的噪音控制在20—25dB（A）

根据声音学原理，振动是噪音之源，并且产生的噪音是由不同的频谱组成。所以SSP主动降噪系统，从噪声源本身着手，通过内置处理器实时运算出一个与一个噪音完全相反的声波来抵消噪音，并且减少风机、电机、机器外壳上的噪声辐射面积，减少声源振动，同时在元件结构上涂敷一层阻尼涂料，在抑制噪音振动的同时，通过相反的声波抵消噪音。达到主动降噪的要求，在需要安静的环境里，将空气净化器的噪音控制在20—25dB（A）。

According to the principle of acoustics, vibration is the source of noise, and the noise generated is composed of different spectrum. So SSP active noise reduction system starts from the noise source itself, calculates a sound wave which is completely opposite to a noise through the built-in processor to cancel the noise, and reduces the noise radiation area on the fan, motor and machine shell, reduces the vibration of the sound source. At the same time, a layer of damping coating is applied on the component structure to suppress the noise and vibration, at the same time, through the opposite sound wave. Cancellation of noise. To meet the requirements of active noise reduction, the noise of air purifier should be controlled at 20 - 25 dB (A) in quiet environment.

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