Positive pressure isolation cabin

Abstract

The invention discloses a positive pressure isolation cabin which comprises a cabin chamber and an air supply device, a first sealed space defined by a cabin inner wall is an isolation area, a cabin outer wall is arranged around the cabin inner wall, and a second sealed space for air flowing is formed between the cabin outer wall and the cabin inner wall; the air supply device is used for feeding the filtered external air into the second sealed space; wherein a pressure reducing valve is arranged on the cabin inner wall, and air flow in the second sealing space is fed into the first sealing space after being subjected to pressure reduction through the pressure reducing valve, so that a positive pressure environment is formed in the first sealing space. The air supply device introduces air into the sealed space of the cabin interlayer, the air is depressurized through the pressure reducing valve and then flows into the positive-pressure isolation cabin, a positive-pressure environment is formed in the positive-pressure isolation cabin, and the problem that people in the positive-pressure isolation cabin cannot breathe smoothly can be effectively solved. In addition, the air pressure in the positive pressure isolation cabin is negative pressure relative to the air pressure in the interlayer of the cabin, viruses can be prevented from leaking from the inside of the cabin to the outside, and the isolation safety is improved.

Description

technical field [0001] The invention belongs to the technical field of medical equipment, in particular to a positive pressure isolation cabin. Background technique [0002] Viruses live side by side with human beings. From SARS in 2003 to the new crown in 2019, with the development of the global epidemic, the technical demand for the prevention, isolation and transfer of infectious disease patients has become more and more prominent. At present, in the isolation and transfer of infectious disease patients, most of them use negative pressure systems, such as negative pressure ambulances, or negative pressure transfer shelters, including mobile P3 laboratories, all of which use negative pressure to isolate patients and prevent infection. [0003] The principle of the negative pressure isolation system is simply that the internal space is under negative pressure, so even if there is a gap or leakage in the bulkhead, since the gas always flows from high pressure to low pressure...

AI Technical Summary

Problems solved by technology

[0004] Although the positive pressure isolation system generates positive pressure in the cabin, it helps to improve the comfort of patients and medical staff in the cabin, but because the cabin is under positive pressure relative to the outside, once there is a gap on the bulkhead, the air in the cabin will Due to the pressure difference, it will flow from the cabin to the outside, which may easily cause the risk of virus leakage from the cabin to the outside, affecting the isolation effect

Images