Carefully choose a home air purifier to avoid noise pollution
With the popularity of air purifiers, more and more people choose to use household air purifiers to improve indoor air quality. However, since the air purifier is still an emerging product, after all, we don’t know enough about it, so it is inevitable to choose some products that are not quality. Not to mention the purification ability, it is just the noise pollution caused by it, especially when we need to rest, it is difficult to fall asleep.
Noise is the sound produced when the sound body makes random vibrations. Sound is generated by the vibration of an object and propagates in the form of waves in a certain medium (such as solid, liquid, gas). When noise causes adverse effects on people and the surrounding environment, noise pollution is formed. Noise not only causes hearing damage, but also induces a variety of cancer-causing and fatal diseases, and also interferes with people’s lives and work. Due to the nature of noise pollution, noise can not be processed centrally, and only corresponding measures can be taken for control.
So how do we control the noise pollution of domestic air purifiers? The sound source of the air purifier is basically a fan and a motor. That is to say, if we want to control the noise pollution of the household air purifier, we must start with the fan and the motor.
At present, the fan on the market is divided into an axial fan and a centrifugal fan. The axial fan is the fan with the same axial direction as the air blade. For example, the electric fan we usually see has relatively small air volume and wind pressure. At the same time, the noise generated is large. The centrifugal fan is relatively better, not only can output a considerable clean air, but also produces less noise. The motor is roughly divided into a brush motor and a brushless motor. The brush motor starts slowly and has high noise. The brushless motor has a fast rotation speed and low noise. This is well known.
The Olansi air purifier is equipped with a more excellent multi-blade centrifugal fan, and Japan’s Shibaura motor, and constitutes the PMC motive circulation system. It relies on the input of mechanical energy to increase the gas pressure. The high-speed rotating impeller accelerates the gas and changes the flow direction, resulting in stronger The impetus. It can actively push the airflow in the room to form a fluid-like dynamic air circulation cycle, thereby accelerating the indoor airflow rate and improving the purification speed.
And the SP noise reduction system used in the Olasi air purifier makes full use of the Japanese Shibaura motor, which features high power and low noise so that the noise generated by the product can be as low as 25dB. And this level of sound is hardly captured by our ears, and it will not disturb our rest.
The probability of physical and mental illness caused by noise is still quite large, and the treatment is difficult, which brings great trouble to people’s daily life and work. Therefore, when we choose the purifier, experts suggest that it is necessary to pay attention to whether the decibel of the sleep mode exceeds the decibel at the standard rest. Generally speaking, below 30dB, we can get a good sleep experience.
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