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Circuit board of air purifier

By:PCBBUY 04/28/2021 10:21

Air purifier is also called the machine, the air cleaner, fresh air purifier, refers to the adsorption and decomposition or transformation of various air pollutants (generally include PM2.5, dust, pollen, peculiar smell, formaldehyde, decoration pollution, such as bacteria, allergens, etc.), effectively increase the air cleanliness of products, mainly divided into residential, commercial, industrial, building.

There are many different technologies and media in the air purifier, enabling it to provide users with clean and safe air.Common air purification technologies include: adsorption technology, negative (positive) ion technology, catalytic technology, photocatalyst technology, super-structured light mineralization technology, HEPA high efficiency filtration technology, electrostatic dust collection technology, etc.The main materials include photocatalyst, activated carbon, synthetic fiber, HEPA high efficiency material, anion generator, etc.Existing air purifiers are mostly composite, that is, a variety of purification technologies and materials at the same time.

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How the air purifier works?

Air purifier is mainly composed of motor, fan, air filter screen system, its working principle is: the machine inside the motor and fan to make indoor air circulation flow, the air pollution through the air in the machine filter after the various pollutants removal or adsorption, some models of air purifier in outlet with anion generator (anion generator while working in the high pressure dc negative high voltage), the air ionization, produce a large number of negative ions, is the breeze fan out, form a negative ion airflow, achieve the goal of clean, purify air.

Purification Principle of passive adsorption filter type (Filter type)

The main principle of passive air purifier is: use fan to pump air into the machine and filter the air through the built-in filter, which can filter dust, peculiar smell, poisonous gas and kill some bacteria.And the filter is mainly divided into: particulate filter and organic filter.The particle filter net is divided into coarse effect filter net, and fine particle filter net.

The quality of fans and filters of such products determines the effect of air purification. The location of machines and indoor layout will also affect the purification effect.

Active purification principle (strainless type)

Active principle and principle of passive air purification of air purifier fundamental difference is that the active air purifier get rid of the limitation of the fan and mesh, not passively waiting for indoor air is pumped into the purifier filter purification, but effective and active purification sterilization factors that are released into the air, the characteristics of the spread through the air, to reach every corner of the indoor no dead Angle of air purification.

There are mainly silver ion technology, negative ion technology, low-temperature plasma technology, photocatalyst technology and net ion group ion technology in the market to purify sterilization factors. The biggest defect of such products is the problem of excessive ozone release.

Dual purification (active purification + passive purification)

The essence of this kind of purifier is to combine the technologies of passive purification with those of active purification.

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