Household air purifier electrostatic electret filter

　　Taking 3M's "high-efficiency electrostatic air filter" as an example, it adopts a breakthrough carrying permanent electrostatic filter material to effectively block particulate pollutants larger than 0.1 microns in the air, such as dust, dander, pollen, bacteria, etc., while ultra-low impedance ensures The air conditioner operates stably and has a cooling effect. In addition, the deep dust-holding design ensures a longer service life. Today, it is widely used in home and vehicle air conditioners (such as SAIC, Volkswagen, GM and other well-known brands of best-selling models) and some commercial building fields (such as Bird's Nest, Beijing Hotel, Capital Airport Phase III).

　　Traditional standard filter media are very effective at removing particles above 10 microns. When the particle size of the particles is divided to 5 microns, 2 microns or even sub-microns, high-efficiency mechanical filtration systems become more expensive, and the wind resistance will increase significantly. Through electrostatic electret material filtration, it can achieve high capture efficiency with low energy consumption, and at the same time, it has the advantages of electrostatic dust removal and low wind resistance, but does not require an external voltage of tens of thousands of volts, so no ozone is generated, and because of its composition Made of polypropylene, it is easy to dispose of.

　　Plasma catalytic purification technology

　　In this technology, the O3 generated by the upper purification is decomposed into oxygen ions, and the oxygen ions quickly react with various odor molecules under the action of catalysts, and degrade the odor molecules into odorless and non-toxic small molecules such as CO2 and H2O.

　　High energy ion purification technology

　　Through this technology, under the action of high-energy ions, the molecular bonds of all kinds of odor molecules are broken and become non-toxic and tasteless small molecules. The O3 produced in this purification technology is used as a key element in the subsequent purification technology

　　Electrostatic precipitator purification technology

　　Electrostatic precipitator purification technology is to generate ionization through high voltage, so that the dust is charged. When the charged dust passes through the high-voltage electrostatic field, according to the principle of "positive and negative phase attraction", the dust will be adsorbed on the reverse polarity aluminum sheet, which plays an efficient role in suction. effect of dust. At the same time, harmful microorganisms such as bacteria, viruses, molds, etc. will die due to cell membrane expansion under high-voltage ionization and high-voltage electrostatic voltage. Due to the application of an optimized high-voltage power control technology - current and voltage double closed-loop control technology, the dust removal efficiency and the controllability of ozone are greatly improved. The technical principle is shown in Figure 1

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