Air sterilizer and control method thereof

Abstract

The invention provides an air disinfector and a control method thereof.The air disinfector comprises a shell, an air inlet end, an air outlet end and a plasma assembly, the plasma assembly is arranged between the air inlet end and the air outlet end, the air outlet end comprises an air outlet, an air outlet filter screen is arranged at the air outlet, the air outlet filter screen comprises a tail end filter screen and an HEPA filter screen, an air pressure sensor is arranged in the shell, and the tail end filter screen and the HEPA filter screen are arranged in the shell. The pressure sensor is used for detecting the change of internal pressure and judging whether the air outlet filter screen needs to be replaced or not according to the pressure change detected by the air pressure sensor. Compared with the prior art, the HEPA filter screen is arranged at the air outlet, the plasma diffusion space is reduced, a large number of viruses and bacteria are killed in a small space, and the sterilization and disinfection efficiency is improved. Compared with the prior art, the scheme adopted by the invention is more accurate and reasonable in judgment on the blocking condition of the filter screen, timely replacement is realized, waste of the filter screen is avoided, and the air purification and disinfection effect is improved.

Description

technical field [0001] The invention relates to the technical field of disinfection, in particular to an air sterilizer and a control method thereof. Background technique [0002] Pathogens such as bacteria and viruses survive longer in cold and humid environments and are more likely to spread among people, which is the main reason for the frequent occurrence of respiratory diseases in winter. When a person infected with the virus breathes, speaks, coughs, sneezes, etc., it produces droplets that carry pathogens. Droplets dry quickly in the air and can remain suspended in the air for a long time, forming aerosols. Aerosols may be inhaled through the respiratory tract to cause new infections, or adhere to clothing, skin, and eventually enter the respiratory tract. [0003] The patent with the application number CN201310431459.2 discloses a new type of intelligent environment-friendly air purifier, including a base, a casing, a pre-filter, a HEPA high-efficiency particulate ...

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Problems solved by technology

[0005] In view of this, the present invention aims to propose an air sterilizer and a control method to solve the problem that the existing method of judging the clogging of the filter screen only by simple time is unreasonable, leads to waste of the filter screen or affects the effect of air purification and disinfection The problem

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