CN211876273U - Air circulation system for negative pressure isolation cabin - Google Patents
Air circulation system for negative pressure isolation cabin Download PDFInfo
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- CN211876273U CN211876273U CN202020513021.4U CN202020513021U CN211876273U CN 211876273 U CN211876273 U CN 211876273U CN 202020513021 U CN202020513021 U CN 202020513021U CN 211876273 U CN211876273 U CN 211876273U
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Abstract
The utility model discloses an air circulation system for a negative pressure isolation cabin, which relates to the technical field of medical equipment and comprises an isolation cabin body 1; the air circulation system comprises an air supply unit 10, an exhaust unit 3, an air supply pipeline 8, an exhaust pipeline 5 and a control component 4. The isolation cabin has the characteristics of reducing the infection probability of medical staff, enabling patients to feel comfortable, being suitable for long-distance or transnational transfer and transportation, and the like, is matched with the isolation cabin for use, and is suitable for long-distance or transnational transfer and transportation of patients with high infectivity such as pulmonary tuberculosis, atypical pneumonia, Ebola virus, new coronavirus and the like.
Description
Technical Field
The utility model relates to the technical field of medical equipment, especially an air circulation system for negative pressure isolation cabin.
Background
Because of the high infection rate of pulmonary tuberculosis, atypical pneumonia, Ebola virus, new coronavirus and other epidemic outbreaks, the isolation transport of these patients with strong infection needs to be carried out by adopting an isolation cabin. At present, a single isolation cabin is mostly used and is a tent type transparent isolation cabin, air supply and air exhaust in an air circulation system of the isolation cabin are basically at the same height, and air flow for doctors and patients to breathe is not formed, so that the infection probability of the medical workers is increased, and the patients feel uncomfortable in the isolation cabin, so that the isolation cabin is not suitable for long-distance or transnational transfer and transportation.
The movable negative pressure isolation cabin disclosed in Chinese patent (patent application No. 200820225531.0) comprises a sealed cabin body consisting of a buffer room, a ward room and a toilet room, wherein the cabin body is connected with an air inlet system and an air exhaust system which are controlled by a control system arranged in the cabin body, air fed in through the air inlet system is divided into two branch mechanisms and is respectively fed into the ward room and the buffer room, the ward room is separately provided with a set of air exhaust system, the toilet room and the buffer room share one set of air exhaust system, air entering the ward room is exhausted through the air exhaust system which is separately connected with the ward room, and the air entering the buffer room is guided into the toilet room through a louver air port at the lower right of a toilet partition wall and is exhausted through the air exhaust system arranged above the toilet room.
Another chinese patent (patent application No. 201910495457.7) discloses an "isolation cabin device with negative pressure ventilation epidemic prevention medical function", which comprises an isolation cabin, a single partition, a stretcher door, an isolation door, a stretcher fixing position, a sterilizing lamp, a toilet, a negative pressure ventilation and sterilization system and a main valve, wherein the isolation door and the stretcher door are respectively installed at one side of the isolation cabin, the single partition, the stretcher fixing position, the sterilizing lamp, the toilet and the like are installed in the isolation cabin, the valve, a pump, a generator, a negative pressure ventilation and sterilization system main body assembly part and the like are installed in the equipment cabin, besides, an oxygen pipeline, a sterilization liquid pipeline and an exhaust pipeline of the negative pressure ventilation and sterilization system are respectively installed and connected in the isolation cabin, and the main valve is installed on the oxygen pipeline, the sterilization liquid pipeline and the exhaust pipeline.
Disclosure of Invention
The utility model aims to solve the technical problem that an air circulation device for the isolation capsule that can reduce medical personnel and infect probability is provided, can make the patient feel comfortable again, and be applicable to long distance or cross-country border transfer and transportation.
The utility model discloses the technical scheme who takes designs an air circulation system for negative pressure isolation cabin: comprises an isolation cabin body 1; the air circulating system comprises an air supply unit 10, an exhaust unit 3, an air supply pipeline 8, an exhaust pipeline 5 and a control component 4; the inner cavity of the isolation cabin body 1 is sequentially divided into an auxiliary working area 12, a buffer area 11, a protection area 6 and an equipment placing area 2 from one end to the other end; the air supply unit 10 is arranged at the top of the buffer area 11, the air inlet end of the air supply unit is arranged on the side surface of the upper part of the buffer area 11, the air outlet end of the air supply unit is connected with an air supply pipeline 8, and the outer unit of the air supply unit 10 is arranged on the side edge of the lower part of the buffer area 11; the air supply pipeline 8 is respectively led to two sides of the inner top of the adjacent protection area 6 from two sides of the top of the buffer area 11, and a plurality of air supply openings 9 are formed in the air supply pipeline 8; the air exhaust pipeline 5 is respectively communicated to two sides of the lower part of the protection area 6 from two sides of the lower part of the buffer area 11, and a plurality of air outlets 7 are formed in the air exhaust pipeline 5; the exhaust fan set 3 is arranged at the upper part of one side in the equipment placing area 2 adjacent to the protection area 6 and is connected with an exhaust pipeline 5 which passes through the protection area 6; and an electric control wire of the control component 4 is respectively connected with the air supply unit 10, the outer unit of the air supply unit and the exhaust unit 3.
The air supply outlet 9 is an adjustable air supply outlet, and an adjusting control line of the adjustable air supply outlet is connected with the control component 4.
The air outlet 7 is an adjustable air outlet, and an adjusting control line of the adjustable air outlet is connected with the control component 4.
The air circulation system for the negative pressure isolation cabin adopts an air supply mode for conveying brand new fresh air, so that the air in the cabin is kept fresh all the time; secondly, set up the top in the cabin with supply-air duct and supply-air outlet to set up exhaust duct and air exit in the lower part in the cabin, let the air in the cabin form top-down, supply the air current that doctor and patient personnel breathed, make doctor and patient personnel in the cabin be in the top of clean air current all the time, thereby reduced the probability of infection, also make patient and medical staff feel more comfortable in the isolation capsule, therefore, use the utility model discloses an isolation capsule is applicable to long distance or transnational environment and shifts and transports. In addition, the flow of the air supply opening and the air exhaust opening is adjusted, the exhaust amount is slightly larger than the air supply amount, so that a negative pressure state is formed in the cabin, and the polluted air in the cabin can be prevented from leaking.
Drawings
Fig. 1 is a schematic main sectional view of the present invention.
In the figure:
1 is an isolation cabin body, 2 is an equipment placing area, 3 is an exhaust unit, 4 is a control assembly, 5 is an exhaust pipeline, 6 is a protection area, 7 is an exhaust outlet, 8 is an air supply pipeline, 9 is an air supply outlet, 10 is an air supply unit, 11 is a buffer area, and 12 is an auxiliary working area.
Detailed Description
The present invention will be further described with reference to the accompanying drawings and examples. The following description is given by way of example, but the scope of the invention should not be limited thereto.
The air circulation system for the negative pressure isolation cabin of the present embodiment is installed in the isolation cabin body 1, and is composed of a blower unit 10, an exhaust unit 3, a blower duct 8, an exhaust duct 5, a control module 4, and an external unit (not shown) of the blower unit 10.
The inner cavity of the isolation cabin body 1 is sequentially divided into an auxiliary working area 12, a buffer area 11, a protection area 6 and an equipment placing area 2 from one end to the other end (from top to bottom as shown in figure 1); the air supply unit 10 (namely, a small central air conditioner for adjusting the temperature and humidity of the supplied fresh air) is arranged at the top of the buffer area 11, the air inlet end of the air supply unit is arranged on the upper side surface of the buffer area 11 (the port part of the air supply unit is also provided with a multi-layer filtering component), the air outlet end of the air supply unit is connected with the air supply pipeline 8, and the outer unit of the air supply unit 10 (namely, the air conditioner outer unit for adjusting the temperature in the cabin) is arranged on the lower side edge of the buffer area 11; the air supply pipeline 8 is respectively led to the two sides of the top part in the adjacent protection area 6 from the two sides of the top part of the buffer area 11, and a plurality of air supply ports 9 (the air supply ports 9 are adjustable exhaust ports and are arranged in the buffer area 11 and the protection area 6) are arranged on the air supply pipeline 8; the air exhaust pipeline 5 is respectively communicated to two sides of the lower part of the protection area 6 from two sides of the lower part of the buffer area 11, and a plurality of air exhaust ports 7 (the air exhaust ports 7 are adjustable air exhaust ports and are respectively arranged in the buffer area 11 and the protection area 6) are arranged on the air exhaust pipeline 5; the exhaust unit 3 comprises an exhaust fan, an electric air valve, an air exhaust channel and a filter, the exhaust fan is arranged on the upper portion of one side in the equipment placing area 2 adjacent to the protection area 6, and an exhaust pipeline 5 penetrated by the protection area 6 is sequentially connected with the filter, the air exhaust channel, the electric air valve and the exhaust fan.
The electric control wires of the control assembly 4 are respectively connected with the air supply unit 10 and the outer unit thereof, the exhaust unit 3, the air supply outlet 9 and the exhaust outlet 7.
When the negative pressure air supply device is used, the temperature and humidity and the negative pressure value in the cabin are firstly set through the control assembly 4, then the exhaust unit 3 is started through the control assembly 4, then the air supply unit 10 is started, the air supply quantity is adjusted to be slightly smaller than the air exhaust quantity through the control assembly 4, so that the air pressure in the cabin forms negative pressure (namely, the air pressure is lower than the atmospheric pressure), specifically, the air pressure in the buffer area 11 is lower than the atmospheric pressure, and the air pressure in the protection area 6 is lower than the air pressure in the buffer area 11.
In the working process, air in the buffer area 11 and the protection area 6 is pumped to a filter (a HEPA filter is usually adopted, the effective rate of filtering bacteria, viruses and particles of 0.1-0.3 micron reaches 99.998 percent, the discharged clean air can be ensured, and secondary pollution is avoided) through the air outlet 7 and the exhaust pipeline 5, and then the air is exhausted to the outside of the cabin through the air exhaust channel and the electric air valve.
Fresh air outside the cabin is pumped in by an air inlet end arranged on the side surface of the upper part of the buffer area 11 (the port part of the air inlet end is also provided with three layers of filter plates including a coarse filter plate, a middle filter plate and a sub-high filter plate), is subjected to temperature and humidity adjustment in the air supply unit 10, is distributed to the air supply pipelines 8 on two sides, and is provided with brand-new air in the buffer area 11 and the protection area 6 through an air supply port 9 arranged on the air supply pipeline 8.
The utility model discloses an air circulation system for negative pressure isolation cabin uses with the isolation cabin is supporting, is applicable to infectious disease patient long distance such as tuberculosis, atypical pneumonia, ebola virus, new coronavirus or transnational isolation and shifts and the transportation.
Claims (3)
1. An air circulation system for a negative pressure isolation cabin comprises an isolation cabin body (1); the method is characterized in that: the air circulating system comprises an air supply unit (10), an exhaust unit (3), an air supply pipeline (8), an exhaust pipeline (5) and a control assembly (4); the inner cavity of the isolation cabin body (1) is sequentially divided into an auxiliary working area (12), a buffer area (11), a protection area (6) and an equipment placing area (2) from one end to the other end; the air supply unit (10) is arranged at the top of the buffer area (11), the air inlet end of the air supply unit is arranged on the side surface of the upper part of the buffer area (11), the air outlet end of the air supply unit is connected with an air supply pipeline (8), and an external unit of the air supply unit (10) is arranged on the side edge of the lower part of the buffer area (11); the air supply pipeline (8) is respectively led to two sides of the inner top of the adjacent protection area (6) from two sides of the top of the buffer area (11), and a plurality of air supply openings (9) are formed in the air supply pipeline (8); the air exhaust pipeline (5) is respectively communicated to two sides of the lower part of the protection area (6) from two sides of the lower part of the buffer area (11), and a plurality of air exhaust ports (7) are formed in the air exhaust pipeline (5); the exhaust unit (3) is arranged at the upper part of one side in the equipment placing area (2) adjacent to the protection area (6) and is connected with an exhaust pipeline (5) penetrating from the protection area (6); and an electric control wire of the control component (4) is respectively connected with the air supply unit (10), the outdoor unit and the exhaust unit (3).
2. The air circulation system for a negative pressure isolation capsule of claim 1, wherein: the air supply outlet (9) is an adjustable air supply outlet, and an adjusting control line of the adjustable air supply outlet is connected with the control component (4).
3. The air circulation system for a negative pressure isolation capsule of claim 2, wherein: the air outlet (7) is an adjustable air outlet, and an adjusting control line of the adjustable air outlet is connected with the control component (4).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020513021.4U CN211876273U (en) | 2020-04-09 | 2020-04-09 | Air circulation system for negative pressure isolation cabin |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020513021.4U CN211876273U (en) | 2020-04-09 | 2020-04-09 | Air circulation system for negative pressure isolation cabin |
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| CN211876273U true CN211876273U (en) | 2020-11-06 |
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| CN202020513021.4U Active CN211876273U (en) | 2020-04-09 | 2020-04-09 | Air circulation system for negative pressure isolation cabin |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112856670A (en) * | 2021-03-04 | 2021-05-28 | 大得创同(上海)科技有限公司 | Laboratory |
| CN113432227A (en) * | 2021-07-27 | 2021-09-24 | 绿康环境技术发展(广东)有限公司 | Air purification and disinfection system and use method thereof |
| IT202200018198A1 (en) * | 2022-09-06 | 2024-03-06 | Nicfa S R L | Ventilation system for a hospital ward; nursing home or similar |
-
2020
- 2020-04-09 CN CN202020513021.4U patent/CN211876273U/en active Active
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112856670A (en) * | 2021-03-04 | 2021-05-28 | 大得创同(上海)科技有限公司 | Laboratory |
| CN113432227A (en) * | 2021-07-27 | 2021-09-24 | 绿康环境技术发展(广东)有限公司 | Air purification and disinfection system and use method thereof |
| IT202200018198A1 (en) * | 2022-09-06 | 2024-03-06 | Nicfa S R L | Ventilation system for a hospital ward; nursing home or similar |
| EP4336110A1 (en) * | 2022-09-06 | 2024-03-13 | B.B. Impianti S.r.l. | A ventilation system for a hospital room of a health facility |
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