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Diretional negative pressure fast installing type indoor air quality control method and device

A technology for indoor air and quality control, applied in heating methods, air conditioning systems, space heating and ventilation, etc., can solve the problem of protection of medical staff and patients, difficult to large-scale treatment of infectious disease patients, and limited layout. and other problems, to achieve the effect of improving air quality, low cost and convenient isolation

Inactive Publication Date: 2004-07-21
SOUTHEAST UNIV +1
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AI Technical Summary

Problems solved by technology

Negative pressure wards are an internationally accepted device to prevent the spread of infectious sources, but their cost is high, and their layout is always limited. It is difficult to meet the needs of large-scale infectious disease patients, and it may not solve the protection of medical staff and patients. question

Method used

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  • Diretional negative pressure fast installing type indoor air quality control method and device
  • Diretional negative pressure fast installing type indoor air quality control method and device
  • Diretional negative pressure fast installing type indoor air quality control method and device

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Embodiment Construction

[0017] The exhaust air volume of the fan box 8 is adjusted by an AC frequency converter or an AC voltage regulating controller, and the heating capacity in the heating section 9 is controlled by a silicon controlled rectifier. There is a certain relationship between air volume and heating load to ensure energy saving under the premise of killing viruses. These are all existing technologies, including the technology used in the high-voltage electrostatic disinfection unit is also the electrostatic dust removal technology widely used in power plants.

[0018] The operation of the fan box 8, the heating and disinfection section 9 and the high-voltage electrostatic disinfection section 10 adopts chain control. When the fan starts, the heating and disinfection section 9 and the high-voltage electrostatic disinfection section 10 start simultaneously, and the heating power is set according to the outlet temperature. The quality of disinfection and sterilization can also be monitored t...

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Abstract

In the present invention, head of hospital bed with function of static pressure box has grid form air suction inlet on it; the static pressure box is flexibly connected with fan box through air duct to negative pressure is generated in static pressure box to draw-in air above hospital bed through air inlet and fan box heating disinfection section and high voltage static disinfection are exported when fan is on work; the device is interlock-controlled so sections of heating disinfection and high voltage static disinfection are started up simultaneously when fan is started up as heating power is set according to outlet temperature.

Description

1. Technical field [0001] The invention relates to a method and a device for controlling indoor air quality, in particular to air quality control in respiratory infection wards (such as SARS) and ambulances. 2. Background technology [0002] Respiratory and digestive tract infectious diseases, especially viral infectious diseases, are highly contagious. Since the 1980s, many such infectious diseases have appeared. The latest highly contagious respiratory infectious diseases such as SARS. Viruses of respiratory and gastrointestinal infectious diseases can be transmitted through "contact" through the air. For this reason, medical staff need to take various protective measures to avoid infection. The main measure currently taken is to place patients in isolation wards, and medical staff wear multiple layers of protective clothing during treatment and care. At the same time, in order to prevent infection through the air, the hospital also turned off the central air conditioner...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): F24F3/16
Inventor 张辉徐益谦潘兆岳杭仁杰陈岳天肖兵刘宁凯
Owner SOUTHEAST UNIV
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