What is the principle of a car air purifier?mini air purifier sales

　　The car air purifier is useful. Its function is to optimize the air by generating a large amount of negative oxygen ions, remove the peculiar smell in the car, make the air fresh in the car, and the high concentration of negative oxygen ions also have the functions of refreshing, eliminating fatigue, and enhancing attention. Air purifiers are divided into filter type car air purifiers, electrostatic dust collection type car air purifiers, ozone car air purifiers, and plasmacluster car air purifiers. So what is the principle of the car air purifier?

　　Principle of car air purifier

　　Filter type adsorption function

　　Forced ventilation with fans, using porous filter materials, such as activated carbon, filter paper, fiber, foam, etc. (currently the strongest filter material with the strongest adsorption capacity is HEPA), which is the high-density air required by the medical industry for air quality The filter material absorbs suspended particles and harmful gases in the air, so that the car purifier can effectively filter suspended solids and a small amount of harmful substances, and has a certain degree of air pollution caused by odors, pathogens, viruses, microorganisms and decorative materials effect. Its structure is relatively simple.

　　Electrostatic dust collection type purification function

　　Use fibrous activated carbon filter and electrostatic dust filter to purify the air. The principle of the electrostatic filter is to implant positive and negative permanent electric charges in the non-woven fabric fiber, so that the cloth surface is filled with high-voltage strong static electricity, which is used to absorb suspended particles in the air and make the molecules harmful to the human body pass through the filter. When the net is absorbed in the filter, the cleaning efficiency of the filter can range from 7% to 95% of the dust collection of the filter. Its structure is shown in Figure 1. First, the permanent mesh pre-filter nets the dirty air and large particles such as hair and lint brought in by the fan. Secondly, the high-voltage ionizer in the air purification filter of the air cleaner makes the pollutants in the air as small as 0.01 micron particles such as bacteria and viruses charged, and they are adsorbed in the collecting tray, which can prevent harmful irritants from being Indoor circulation. Then, the activated carbon filter absorbs the odor. Finally, the purified air returned to the cabin. Through regular washing, the air purification filter can be easily updated.

　　Powerful ozone sterilization and decomposition function

　　Ozone disinfection is a method of disinfection with the air-conditioning circulation system in the car. A special disinfectant is used to enter the circulation system to remove the peculiar smell in the car. It has a certain disinfection and sterilization effect, especially for amines, nicotine, and bacteria. Wait. The ozone disinfection method is relatively simple to operate. Extend a hose connected to a car disinfection machine into the car, turn on the car disinfection machine, and the disinfection machine sends the high-concentration ozone generated by high-pressure discharge to every corner of the car. So it only takes a few minutes. Although the disinfection time is very short, it eliminates the germs completely. The fly in the ointment is that there will be a little ozone smell in the compartment after disinfection, but since ozone can quickly be decomposed into colorless and odorless oxygen, so long as the car windows are opened for a while, the smell will disappear at all.

　　Negative oxygen ion refreshing function

　　Car-use negative oxygen ion air purifier uses high-voltage discharge to selectively ionize oxygen atoms in the air to produce negative oxygen ions. Negative oxygen ions have very active chemical properties. They can quickly combine with other compounds in the air to form new oxides, which in turn can transform certain gaseous substances into crystalline substances to purify the air.

　　Working principle: Simulate the principle of negative ions and ozone generated by lightning phenomenon in nature. Through the action of electronic circuit, the input low voltage is increased to DC and AC high voltage, and the discharge is carried out by special components to ionize the air to produce negative ions and ozone, and then Produce active oxygen to improve and adjust the air, making the air fresher and more natural.

　　Photocatalyst decomposition principle

　　Photocatalyst is a substance that does not change itself but can promote chemical reactions under the irradiation of light, just like chlorophyll in plant photosynthesis. It is to irradiate the nano-scale TiO2 particles attached to the effective medium through a specific light source to produce an "electron-hole" pair (a kind of high-energy particle), this "electron-hole" pair and the surrounding water, Oxygen has a strong oxidation-reduction ability, which can directly decompose formaldehyde, benzene and other pollutants in the air into harmless and odorless substances, destroy the cell wall of bacteria, kill bacteria and decompose their silk mesh bacteria, thereby To achieve the purpose of eliminating air pollution. The photocatalyst can produce sterilization, anti-poisoning, deodorization, oil decomposition, mildew prevention, and moss algae production under the sunlight or indoor fluorescent lamp, and play a powerful air purification effect.

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