Directional 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 treat large-scale infectious disease patients, and limited layout To achieve the effect of improving air quality, low cost, and convenient isolation

Inactive Publication Date: 2006-10-11
SOUTHEAST UNIV +1
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  • Claims
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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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  • Directional negative pressure fast installing type indoor air quality control method and device
  • Directional negative pressure fast installing type indoor air quality control method and device
  • Directional 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 regulated by an AC frequency converter or an AC voltage regulating controller, and the heating amount in the heating and disinfection 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 als...

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Abstract

Negative pressure quick-installed indoor air quality control method and device, the bedside of the hospital bed is made into a bedside with the function of a static pressure box, and a grid-type air suction port is opened on the bedside static pressure box, and the static pressure box passes through the air duct and The flexible connector is connected with the fan box. When the fan is working, negative pressure is generated in the static pressure box, and the air above the sick bed is sucked through the tuyere, and the heating and disinfection section of the fan box and the high-voltage electrostatic disinfection output. The structure of the device is that the operation including 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) simultaneously Start, the heating power is set according to the 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 Patents(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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