What are the IQ taxes for air purifiers by 2018?

From the air purifier to the public's vision, by 2018, it has been five or six years. During these years, when people buy air purifiers, it is inevitable that they will pay a lot of “intellectual tax” because they are relatively new and not well understood.

For example, I think DIY can spend a lot of money for negative ion plasma, etc. I believe that no one should do this kind of thing to this day. Everyone has fully understood that "physical filtering" and "HEPA filter" are the correct solutions.

With the introduction of the new national standard for air purifiers, it is a standard for consumers to understand the good and bad of air purifiers. However, standards can only regulate and guide the development of the industry, and can not help us choose the most suitable products. So what other "pits" are needed in 2018 when buying air purifiers?

First, the air is purified in the end.

Today's electrical appliances, without "smart" body, I am afraid it is difficult to enter the eyes of consumers. The "smart" of the air purifier is nothing more than automatic operation when the air is not good, and automatically stops after purification. But how do you judge whether the air is good or bad? Most air purifiers use a method of incorporating a particulate sensor into the purifier body to measure the air quality and make a judgment. For the time being, the quality of the sensors is not uniform, and the cost and accuracy are far from each other. This measurement method alone makes it impossible to judge.

We can compare the air to a bowl of seafood porridge. The particulate pollutants in the air are equivalent to the scallops inside. They are scattered everywhere and will not gather together for purification. The air purifier will first purify the air near it. The particulate sensor installed on the main unit will detect that the air has become better and stop working. However, the area where people actually breathe is far away from the air purifier and has not been purified.

It is also relatively simple to solve this problem, that is, let the detection device be with the person, away from the host and control the host operation according to the detected data. However, after searching a series of air purifiers, it was found that only one Finnish brand called LIFAair was designed with split-type intelligent control. This design is more scientific and reasonable, and can truly achieve "smart" control.

Second, the bigger the CADR, the better?

In the field of air purification, CADR seems to be most directly related to “purification ability”, which has led many new-brand brands and Internet brands to rely on “running points” to focus on and continuously increase CADR values. From the introduction of the CADR up to 750m3/h purifiers from 352, to the breathing of the CADR to 800+, and then to the millet to unscrupulously launch the CADR up to 1000+ max...but people should also pay attention to, with the increase of CADR, The volume and noise of the machine will also increase dramatically, and the cruel reality is that for most people, such high CADR values ​​are not used.

The principle of “just right” is unchanged. The simplest algorithm is to divide CADR by 10 to get the applicable area. The excess is just taking up more of your space and quarreling with your will.

When it comes to noise, you can't just look at the lowest value. It's definitely not the noise value when it's really running. It's very likely that there is no purification effect when driving to the minimum wind speed. Therefore, the real "silent and effective" operation is the last word. .

Third, the air needs to be stirred to be fully purified.

As mentioned above, the pollutant in the air is an aerosol that needs to be fully agitated to be circulated for faster purification. The characteristic of air is that it tends to adhere to the surface of the object when it is in motion. The most reasonable way to cycle is to drive the cleaned air to the ceiling, then spread it along the ceiling, and the wall flows down to the ground to complete a cycle. In the process of hitting the ceiling upwards, the force of rotating the wind is much greater than that of the straight blow. In summary, the important point of choosing an air purifier is that it is designed to enter and exit the air, preferably in a rotating manner. The design of the horizontal wind will not only cause discomfort due to direct blowing, but also double the effect of stirring the air, and the effect is worrying. We also take LIFAair as an example. It not only adopts more scientific and effective split-type intelligent control, but also has remarkable features in the design of the air outlet: the air outlet looks like an aircraft engine, and the inclined blades form a way of rotating the wind. Let the air move up strongly and quickly stir the air and purify it. Of course, some two-way rotation and upward wind design is also good, you can consider when purchasing.

I hope that in 2018, you will be able to choose the air purifier that suits you, away from the respiratory health problems such as decoration pollution, pollen allergies, and virus damage. Clearly understand consumption, don't pay IQ tax!

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