CN112664005A - Nucleic acid sampling positive-negative pressure integrated safety cabin with disinfection function and control method - Google Patents
Nucleic acid sampling positive-negative pressure integrated safety cabin with disinfection function and control method Download PDFInfo
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- CN112664005A CN112664005A CN202011546245.6A CN202011546245A CN112664005A CN 112664005 A CN112664005 A CN 112664005A CN 202011546245 A CN202011546245 A CN 202011546245A CN 112664005 A CN112664005 A CN 112664005A
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Abstract
The invention discloses a self-disinfecting nucleic acid sampling positive-negative pressure integrated safety cabin, wherein the safety cabin is divided into a medical staff working area and two sampling areas by a partition, a sampling sample insulation box, an electric heater, a negative pressure disinfection exhaust module, a medical waste box and an infrared sensor are arranged in each sampling area, a direct expansion type fresh air unit is arranged in the medical staff working area and used as a fresh air system to provide positive pressure fresh air for the medical staff working area, and the negative pressure disinfection exhaust module provides negative pressure, indoor disinfection and exhaust for the sampling areas; the negative pressure disinfection exhaust module comprises a box body, an air inlet, an exhaust outlet, a manual/electric airtight valve, a high-efficiency filter, an internal ultraviolet sterilization component, an exhaust fan, an external ultraviolet sterilization component and a differential pressure gauge. Meanwhile, the invention also discloses a control method of the nucleic acid sampling positive-negative pressure integrated safety cabin with disinfection. Can satisfy medical personnel's sampling and rest to reach the required indoor safe, comfortable air circumstance of detected personnel's safe sampling.
Description
Technical Field
The invention belongs to the technical field of positive and negative pressure ventilation systems, infectious disease protection and medical safety protection, and particularly relates to a positive and negative pressure integrated safety cabin with disinfection for nucleic acid sampling and a control method thereof.
Background
With the outbreak and the frequent abuse of new coronary pneumonia worldwide, nucleic acid detection is gradually expanded from detection of people with fever to detection of people who go out and even people all over the world, and the nucleic acid detection is gradually normalized today when the epidemic situation is abused.
The existing mobile nucleic acid sampling chamber is multi-sided to guarantee the air safety and air thermal comfort of medical personnel, and only a working area of the medical personnel is arranged without a sampling area. The detected personnel are located outside the sampling chamber to receive sampling detection, the outdoor air environment is often severe, the detected personnel are exposed to the sun in summer and are located in cold environments in winter, and the detection sampling work is inconvenient to carry out.
Particularly, under the extreme weather condition in the north, the detected person is very easy to be frozen when the detected person carries out the nucleic acid detection outdoors, so that an independent sampling area is necessary to be provided for the detected person in a sampling room; meanwhile, the area of the working area of the medical staff is small, and a doctor cannot move in the working area.
The separate provision of a sampling area necessarily entails the problem of sterilization by aeration. Aiming at the space with virus pollution, most of the prior air exhaust treatment methods adopt HEPA filtration, and the treatment methods are convenient, but still have potential safety hazards.
Disclosure of Invention
Aiming at the problems, the invention aims to provide a positive-negative pressure integrated safety cabin which is specially used for nucleic acid sampling and has a disinfection function, and can meet the requirements of medical personnel on sampling and rest and the indoor safe and comfortable air environment required by the safety sampling of detected personnel.
Therefore, the technical scheme adopted by the invention is as follows: a nucleic acid sampling positive-negative pressure integrated safety cabin with disinfection is square, a medical worker working area and two sampling areas are separated into the safety cabin through a partition, the medical worker working area is arranged in front of the safety cabin, the two sampling areas are arranged in a left-right symmetrical mode and are arranged behind the safety cabin, sampling windows are arranged on the partition between the medical worker working area and each sampling area, sampling plastic gloves are arranged on the sampling windows in an opening mode, a sampling sample insulation box, an electric heater, a negative pressure disinfection air exhaust module, a medical waste box and an infrared sensor are arranged in each sampling area, a direct expansion type fresh air unit is arranged in the medical worker working area and used as a fresh air system to provide positive pressure fresh air for the medical worker working area, and the negative pressure disinfection air exhaust module provides negative pressure, indoor disinfection and air exhaust for the sampling areas;
the negative pressure disinfection exhaust module comprises a box body, wherein an air inlet is formed in the side wall of the lower part of the box body, an exhaust outlet is formed in the upper part of the box body, a manual/electric airtight valve is arranged in the air inlet, a high-efficiency filter, a built-in ultraviolet sterilization component and an exhaust fan are arranged between the manual/electric airtight valve and the exhaust outlet, the exhaust fan is positioned above the high-efficiency filter and the built-in ultraviolet sterilization component, and an external ultraviolet sterilization component is also arranged outside the box body; the box body is also provided with a differential pressure gauge for monitoring an indoor differential pressure signal, the differential pressure gauge is electrically connected with an exhaust fan, and the exhaust fan is provided with a differential pressure control module which can control the exhaust volume according to the indoor differential pressure signal transmitted by the differential pressure gauge so as to ensure the indoor differential pressure.
Preferably, the sampling sample incubator, the electric heater, the negative pressure disinfection exhaust module and the medical waste bin are arranged symmetrically in the two sampling areas.
Preferably, the partition is made of light wall or toughened glass and is sealed.
Preferably, the medical staff working area is also provided with a storage battery pack for supplying power to an illumination and sampling sample insulation box, an electric heater, a negative pressure disinfection exhaust module and a fresh air system in the nucleic acid sampling positive and negative pressure integrated safety cabin with disinfection; the utility model is also provided with a commercial power interface, and can be directly connected with a municipal power supply to supply power when municipal electricity is available.
Preferably, the air inlet is arranged on the front side of the box body, and the air outlet is arranged on the side wall of the back side of the box body.
Meanwhile, the invention also provides a control method of the nucleic acid sampling positive-negative pressure integrated safety cabin with disinfection, which comprises the nucleic acid sampling positive-negative pressure integrated safety cabin with disinfection, wherein after the negative-pressure disinfection exhaust module is started to operate by adopting a constant air volume, the built-in ultraviolet sterilization assembly, the external ultraviolet sterilization assembly and the infrared sensor are automatically started; when the infrared sensor monitors that no person exists in the sampling area, the negative pressure disinfection exhaust module continues to keep constant air volume operation; when the infrared sensor monitors that a person exists in the sampling area, the external ultraviolet sterilization component is automatically closed, and the negative pressure sterilization component is controlled according to the indoor pressure difference signal transmitted by the pressure difference meter, so that the negative pressure sterilization component has the beneficial effects that:
(1) the medical care device can provide a more comfortable and safe detection environment for medical care personnel and detected personnel, the area of a working area of the medical care personnel is enlarged, a sampling area is additionally provided with a sampling sample insulation box, an electric heater, a negative pressure disinfection exhaust module and a medical waste box, the configuration is perfect and reasonable, the sampling sample can be stored in a heat insulation way, the environmental temperature of the sampling area is improved, and the medical care device is particularly suitable for being used in extremely cold weather in the north;
(2) the mode of positive pressure of the working area and negative pressure of the sampling area of the medical staff is adopted, and the sampling area can be sterilized and disinfected, so that cross infection is avoided, and sampling is safer and more reliable;
(3) the medical staff working area and the two sampling areas are configured, so that the area of the medical staff working area is increased, and the medical staff can operate and move conveniently; the two sampling areas are independent from each other, so that cross infection can be avoided, and the detection efficiency can be improved;
(4) the negative pressure disinfection exhaust module is integrally arranged in the sampling area and matched with natural air inlet, so that the requirement of indoor negative pressure can be met; simultaneously, can carry out germicidal treatment to the module of airing exhaust self through high efficiency filter, the built-in ultraviolet sterilization subassembly of being equipped with in the box, can also carry out germicidal treatment to the internal environment of sampling compartment through the external ultraviolet sterilization subassembly that is equipped with of box, can avoid cross infection for being detected the more safe air circumstance of personnel provision, make the sampling safer relieved.
Drawings
Fig. 1 is a schematic layout view (top view) of the present invention.
Fig. 2 shows the state of the sampling window with the opening and the sampling plastic glove.
Fig. 3 is a schematic structural view of the negative pressure disinfection exhaust module.
Fig. 4 is a left side view of fig. 3.
FIG. 5 is a control logic diagram of the present invention.
Detailed Description
The invention will be further illustrated by the following examples in conjunction with the accompanying drawings:
as shown in the combined drawings 1-2, the safety cabin is a square safety cabin with disinfection function and integrating positive pressure and negative pressure for nucleic acid sampling, and is divided into a medical staff working area 1 and two sampling areas 2 by partitions in the safety cabin. Medical personnel workspace 1 supplies medical personnel to use, and sampling area 2 supplies to be used by the personnel who are detected. The medical staff working area 1 is arranged in front of the sampling area, and the two sampling areas 2 are arranged in the back of the sampling area in bilateral symmetry. All be provided with sampling window 3 on the wall between medical personnel workspace 1 and every sampling district 2, trompil and install sampling plastic gloves 4 on the sampling window 3. Preferably, the sampling sample incubator 5, the electric heater 6, the negative pressure disinfection exhaust module 7 and the medical waste box 8 which are arranged in the two sampling areas 2 are symmetrically arranged.
From taking integrative safety compartment of sterile nucleic acid sampling positive negative pressure to adopt the configuration mode of a medical personnel workspace 1+ two sampling districts 2, can improve sampling efficiency on the one hand, and medical personnel in on the other hand medical personnel workspace 1 can coordinate the processing, and the flexibility is higher. Preferably, the partition is made of light wall or toughened glass and is sealed.
Each sampling area 2 is provided with a sampling sample incubator 5, an electric heater 6, a negative pressure disinfection exhaust module 7, a medical waste box 8 and an infrared sensor (not shown in the figure). The sampling sample heat preservation box 5 provides proper preservation temperature for the sampling sample; the electric heater 6 is used for guaranteeing the heat comfort requirement of the winter environment; the negative pressure disinfection exhaust module 7 provides negative pressure, indoor disinfection and exhaust for the sampling area 2; the medical waste bin 8 is used for storing medical waste, and the infrared sensor is used for detecting whether a person exists in the sampling area 2.
The medical staff working area 1 is also provided with a storage battery pack which supplies power for an illumination and sampling sample insulation box 5, an electric heater 6, a negative pressure disinfection exhaust module 7 and a fresh air system 9 in the nucleic acid sampling positive and negative pressure integrated safety cabin with disinfection; the utility model is also provided with a commercial power interface, and can be directly connected with a municipal power supply to supply power when municipal electricity is available.
As shown in fig. 3-4, the main body of the negative pressure sterilization and ventilation module 7 is a box body 7 a. An air inlet 7b is arranged on the side wall of the lower part of the box body 7a, an air exhaust outlet 7c is arranged on the upper part of the box body 7a, a manual/electric airtight valve 7d is arranged in the air inlet 7b, a high-efficiency filter 7e, a built-in ultraviolet sterilization component 7f and an exhaust fan 7g are arranged between the manual/electric airtight valve 7d and the air exhaust outlet 7c, and the exhaust fan 7g is positioned above the high-efficiency filter 7e and the built-in ultraviolet sterilization component 7 f. The high-efficiency filter 7e and the built-in ultraviolet sterilization component 7f can be mutually exchanged in the vertical installation position without limitation.
The high-efficiency filter 7e is provided with a pressure difference monitor 7h for monitoring the pressure difference between the upper side and the lower side of the high-efficiency filter 7e and an alarm. When the filtering effect of the high-efficiency filter 7e cannot meet the requirement, the alarm reminds the high-efficiency filter 7e to be replaced.
The box body 7a is also provided with an external ultraviolet sterilization component 7 j. The built-in ultraviolet sterilization assembly only carries out sterilization treatment on the interior of the negative-pressure disinfection exhaust module, and the external ultraviolet sterilization assembly carries out sterilization treatment on the indoor environment. When people work and move indoors, only the built-in ultraviolet sterilization component works. When nobody is in the room, the external ultraviolet sterilization component is automatically opened to sterilize the indoor environment. The air inlet 7b is arranged on the front surface of the box body 7a, and the air outlet 7c is arranged on the side wall of the back surface of the box body 7 a.
The box body 7a is also externally provided with a differential pressure gauge 7k used for monitoring an indoor differential pressure signal, the differential pressure gauge 7k is electrically connected with an exhaust fan 7g, and the exhaust fan 7g is provided with a differential pressure control module and can control the exhaust volume according to the indoor differential pressure signal transmitted by the differential pressure gauge 7k so as to ensure the indoor differential pressure.
Indoor air passes through the air inlet 7b, is sterilized and disinfected by the built-in ultraviolet sterilization component 7f, is filtered by the high-efficiency filter 7e, and is exhausted to the outside through the exhaust fan 7 g.
With reference to fig. 1-5, a method for controlling a self-disinfecting nucleic acid sampling positive-negative pressure integrated safety cabin comprises the self-disinfecting nucleic acid sampling positive-negative pressure integrated safety cabin. After the negative pressure disinfection exhaust module 7 is started to operate by adopting a constant air volume, the built-in ultraviolet sterilization component 7f, the external ultraviolet sterilization component 7j and the infrared sensor are automatically started; when the infrared sensor monitors that the sampling area 2 is not occupied, the negative pressure disinfection exhaust module 7 continues to keep constant air volume operation; when the infrared sensor monitors that a person exists in the sampling area 2, the external ultraviolet sterilization component 7j is automatically closed, the air exhaust amount of the negative pressure disinfection air exhaust module 7 is controlled according to an indoor pressure difference signal transmitted by the pressure difference meter 7k, and the indoor pressure difference is ensured. The fresh air system 9 is preferably operated with a constant air volume.
Claims (7)
1. The utility model provides a from integrative safety cabin of sterile nucleic acid sampling positive negative pressure which characterized in that: the safety cabin is square, separates into a medical personnel workspace (1) and two sampling district (2) through the wall in the safety cabin, and medical personnel workspace (1) leans on preceding setting, and two sampling district (2) bilateral symmetry lean on the back setting, all be provided with sampling window (3) on the wall between medical personnel workspace (1) and every sampling district (2), trompil and install sampling plastic gloves (4) on sampling window (3), be equipped with sampling sample insulation can (5), electric heater (6), negative pressure disinfection exhaust module (7), medical waste bin (8) and infrared sensor in every sampling district (2), medical personnel workspace (1) is internal to be furnished with the formula of directly expanding new trend unit and provides the malleation new trend for medical personnel workspace (1) as new trend system (9), negative pressure disinfection exhaust module (7) provides negative pressure for sampling district (2), Indoor disinfection and air exhaust;
the negative pressure disinfection exhaust module (7) comprises a box body (7a), an air inlet (7b) is formed in the side wall of the lower portion of the box body (7a), an exhaust outlet (7c) is formed in the upper portion of the box body (7a), a manual/electric airtight valve (7d) is arranged in the air inlet (7b), a high-efficiency filter (7e), a built-in ultraviolet sterilization component (7f) and an exhaust fan (7g) are arranged between the manual/electric airtight valve (7d) and the exhaust outlet (7c), the exhaust fan (7g) is located above the high-efficiency filter (7e) and the built-in ultraviolet sterilization component (7f), and an external ultraviolet sterilization component (7j) is further arranged outside the box body (7 a); the box (7a) still is provided with differential pressure gauge (7k) that is used for monitoring indoor differential pressure signal outward, differential pressure gauge (7k) are connected with exhaust fan (7g) electricity, and exhaust fan (7g) have pressure differential control module, can control the volume of airing exhaust according to the indoor differential pressure signal of differential pressure gauge (7k) conveying, guarantee indoor differential pressure.
2. The self-disinfecting nucleic acid sampling positive-negative pressure integrated safety cabin according to claim 1, characterized in that: the sampling area (2) is internally provided with a sampling sample incubator (5), an electric heater (6), a negative pressure disinfection exhaust module (7) and a medical waste box (8) which are symmetrically arranged.
3. The self-disinfecting nucleic acid sampling positive-negative pressure integrated safety cabin according to claim 1, characterized in that: the partition is made of light wall or toughened glass and is sealed.
4. The self-disinfecting nucleic acid sampling positive-negative pressure integrated safety cabin according to claim 1, characterized in that: the medical staff working area (1) is also provided with a storage battery set which supplies power for an illumination and sampling sample insulation box (5), an electric heater (6), a negative pressure disinfection exhaust module (7) and a fresh air system (9) in the nucleic acid sampling positive and negative pressure integrated safety cabin with disinfection; the utility model is also provided with a commercial power interface, and can be directly connected with a municipal power supply to supply power when municipal electricity is available.
5. The self-disinfecting nucleic acid sampling positive-negative pressure integrated safety cabin according to claim 1, characterized in that: the air inlet (7b) is arranged on the front side of the box body (7a), and the air outlet (7c) is arranged on the side wall of the back side of the box body (7 a).
6. A control method of a nucleic acid sampling positive-negative pressure integrated safety cabin with disinfection is characterized in that: the nucleic acid sampling positive-negative pressure integrated safety cabin with disinfection function comprises the nucleic acid sampling positive-negative pressure integrated safety cabin with disinfection function as claimed in any one of claims 1-5, wherein after the negative-pressure disinfection exhaust module (7) is started to operate by adopting a fixed air volume, the built-in ultraviolet sterilization component (7f), the external ultraviolet sterilization component (7j) and the infrared sensor are automatically started; when the infrared sensor monitors that the sampling area (2) is not occupied, the negative pressure disinfection exhaust module (7) continues to keep constant air volume operation; when the infrared sensor monitors that a person is in the sampling area (2), the external ultraviolet sterilization component (7j) is automatically closed, and the air exhaust amount of the negative pressure disinfection air exhaust module (7) is controlled according to an indoor pressure difference signal transmitted by the pressure difference meter (7k), so that the indoor pressure difference is ensured.
7. The control method of the self-disinfecting nucleic acid sampling positive-negative pressure integrated safety cabin according to claim 6, characterized in that: the fresh air system (9) runs by adopting a fixed air volume.
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| Application Number | Priority Date | Filing Date | Title |
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| CN202011546245.6A CN112664005A (en) | 2020-12-23 | 2020-12-23 | Nucleic acid sampling positive-negative pressure integrated safety cabin with disinfection function and control method |
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| CN202011546245.6A CN112664005A (en) | 2020-12-23 | 2020-12-23 | Nucleic acid sampling positive-negative pressure integrated safety cabin with disinfection function and control method |
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Cited By (4)
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| CN113503067A (en) * | 2021-07-20 | 2021-10-15 | 上海宝冶集团有限公司 | Modular multifunctional epidemic prevention post suitable for community |
| CN113827348A (en) * | 2021-08-29 | 2021-12-24 | 武汉科技大学 | Method and device for preventing and controlling cross infection of detected crowd at nucleic acid detection sampling point |
| CN114869348A (en) * | 2022-07-08 | 2022-08-09 | 浙江飞骏医疗科技有限公司 | Nucleic acid sampling window with air sterilization and disinfection functions |
| CN115110805A (en) * | 2022-06-29 | 2022-09-27 | 珠海华实医疗器械有限公司 | Equipment control method applied to nucleic acid sampling cabin |
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Application publication date: 20210416 |