CN213822763U

CN213822763U - Disinfection isolation workbench

Info

Publication number: CN213822763U
Application number: CN202022715171.6U
Authority: CN
Inventors: 唐昶宇; 罗晓阳; 刘颖彘; 邵虹; 陈勇前
Original assignee: Chengdu Science and Technology Development Center of CAEP
Current assignee: Chengdu Science and Technology Development Center of CAEP
Priority date: 2020-11-20
Filing date: 2020-11-20
Publication date: 2021-07-30
Anticipated expiration: 2030-11-20

Abstract

The utility model relates to a disinfection sterilization technical field, concretely relates to disinfection isolation workbench, the inside cavity of disinfection isolation workbench, disinfection water mist generating device and ozone generator are arranged in the disinfection isolation workbench, a plurality of even air blowing fans are arranged above the disinfection water mist generating device and the ozone generator, the upper part of the even air blowing fan is communicated with an ozone photodegradation bin, the ozone photodegradation bin is communicated with an air curtain gas outlet, and the air curtain gas outlet is positioned on the disinfection isolation workbench surface and is equivalent to the disinfection isolation workbench surface in length; and an air inlet is arranged on the side surface of the disinfection isolation workbench. Aim at is through setting up single band ultraviolet lamp, when ozone disinfects the disinfection to the inside air of suction table, can also degrade ozone and produce a large amount of active hydroxyl free radicals and active oxygen atom, reinforcing oxidation to disinfect the air of external world through spun air curtain, reach the purpose that the separation epidemic disease propagated.

Description

Disinfection isolation workbench

Technical Field

The utility model belongs to the technical field of the disinfection disappears and kills, concretely relates to workstation is kept apart in disinfection.

Background

In our work and life, many things need to be carried out through face-to-face communication, germs and bacteria usually exist in the air, the germs and the bacteria can be transmitted through aerosol, a large number of crowds are infected, heat is not a closed space with poor indoor ventilation, however, the work mode of face-to-face communication cannot be adopted, the work efficiency is reduced to a great extent, and inconvenience is brought to work and life.

At present, although an isolation examination table is disclosed in the prior art, for example, in patent CN 108669809 a, the examination table perfectly integrates air purification and air curtain separation, and realizes the function of directly converting the gas exhaled by the patient into the separated air curtain, the equipment has a complex structure and a large volume, is not convenient for daily use in daily offices and other public places, and cannot effectively remove and eliminate biological pollution by simply adopting a traditional physical filtration method; as another example, patent CN201810537180.5 discloses a parent-child type isolation examination table, which discloses a disinfection system disposed in the examination table, but does not specifically disclose the structure of the disinfection system, and in the patent, only the gas exhaled from the mouth of the patient is inhaled into the examination table for disinfection, and the air outside the examination table cannot be sterilized; for another example, patent CN111829099A discloses a device for degrading aerosol, but the device cannot form a barrier air curtain, and the device does not have a function of degrading generated ozone, so that ozone is easily overflowed into the air, which causes secondary pollution.

Disclosure of Invention

In order to make the people face-to-face communicate the during operation, can carry out the separation with gas to the germ to in the air on every side disappears and kills, the utility model provides a workstation is kept apart in disinfection.

The utility model adopts the technical proposal that: the disinfection isolation workbench is internally provided with a disinfection water mist generating device and an ozone generator, a plurality of air-homogenizing blowing fans are arranged above the disinfection water mist generating device and the ozone generator, the upper part of each air-homogenizing blowing fan is communicated with an ozone photodegradation bin, the ozone photodegradation bin is communicated with an air curtain air outlet, and the air curtain air outlet is positioned on the disinfection isolation workbench surface and is equal to the disinfection isolation workbench surface in length; and an air inlet is arranged on the side surface of the disinfection isolation workbench.

Preferably, a 254nm single-band ultraviolet lamp tube is arranged in the ozone photodegradation bin, and the 254nm single-band ultraviolet lamp tube covers the whole air outlet of the air curtain.

Preferably, the disinfection water mist generating device comprises a water tank arranged at the bottom in the disinfection isolation workbench, an ultrasonic atomizer is arranged in the water tank, an automatic disinfectant generating and dripping device is arranged above the water tank, and the automatic disinfectant generating and dripping device is connected with the controller.

Preferably, the disinfectant added in the disinfectant automatic dripping device is hydrogen peroxide.

Preferably, the top of basin has set gradually photocatalysis net and 185/254nm dual band ultraviolet lamp tube, photocatalysis net and 185/254nm dual band ultraviolet lamp tube set up the position of being close to the side air inlet of disinfection isolation workstation.

Preferably, an air inlet fan is arranged at an air inlet on the side surface of the disinfection isolation workbench; the plurality of air-homogenizing blowing fans are arranged side by side and cover the whole air curtain air outlet.

Preferably, a visible water tank is arranged at the bottom of the side surface of the disinfection isolation workbench and is communicated with the water tank.

Preferably, the bottom of the disinfection isolation workbench is provided with a movable roller, and the movable roller is provided with a locking device.

The utility model discloses an useful part lies in: 1) the utility model discloses a set up the single band ultraviolet lamp, when ozone carries out the disinfection of disinfecting to the air of inhaling the workstation inside, can also degrade ozone and produce a large amount of active hydroxyl free radicals and active oxygen atom, strengthen the oxidation to carry out the disinfection of disinfecting to the air of external world through the gas curtain that spouts, reach the purpose of separation epidemic disease propagation; 2) The utility model discloses be provided with the photodegradation storehouse, when improving the purifying effect that disappears, can thoroughly degrade a large amount of ozone that produce, avoid the leakage of ozone, improved the safety performance of whole device.

Drawings

Fig. 1 is a schematic structural diagram of the present invention.

In the figure: the device comprises a 1-254nm single-waveband ultraviolet lamp tube, a 2-ozone light degradation bin, a 3-185/254nm double-waveband ultraviolet lamp tube, a 4-photocatalysis net, a 5-air inlet fan, a 6-ultrasonic atomizer, a 7-visible water tank, an 8-air curtain air outlet, a 9-ozone generator, a 10-air-homogenizing air blowing fan, an 11-disinfectant automatic generation and dropping device, a 12-water tank, 13-movable rollers and a 14-locking device.

Detailed Description

In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention is further described in detail with reference to the following embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.

The utility model is suitable for an include but not only be limited to biological infection high risk area, office area, public place etc. replace original ordinary desk to use, when having the face-to-face conversation of potential infectious personnel, form and stabilize clean disinfection gas curtain to keep apart the negotiation both sides and eliminate the infection risk of face-to-face conversation.

The molecular structure of ozone is unstable at normal temperature and normal pressure, the ozone is quickly decomposed into oxygen and single oxygen atoms, the single oxygen atom has strong activity and strong oxidizing capability, and can directly act on bacteria, viruses and volatile organic gases to play a role in sterilization, and the ozone disinfectant is a green disinfectant, the sterilization effect of ozone water can be enhanced by using hydroxyl radicals generated in the process of dissolving ozone in water, the oxidation potential of the hydroxyl radicals is 2.80eV, and is only 2.87eV after fluorine, and the ozone disinfectant has strong oxidizing property, and water vapor can generate the hydroxyl radicals under the synergistic effect of an ultraviolet lamp and a photocatalytic network. Therefore, the utility model discloses an ozone, photocatalysis otter board and ultraviolet lamp have constituteed the disinfection system that need not add disinfectant or germicide, the utility model discloses a disinfection system has advantages such as environmental protection, no chemical residue.

As shown in the structural schematic diagram of FIG. 1, the disinfection isolation workbench is provided with a cavity inside, and a disinfection water mist generating device and an ozone generator 9 are arranged in the disinfection isolation workbench, wherein the disinfection water mist generating device and the ozone generator 9 can disinfect and sterilize sucked air and then form clean air mist to be sprayed out, so that a blocking air curtain is formed, and the air speed of the air curtain is 3m/s-6 m/s.

A plurality of even air blowing fans 10 are arranged above the disinfection water mist generating device and the ozone generator 9, and the even air blowing fans 10 are arranged side by side and cover the whole air curtain air outlet 8 to blow out clean disinfection air mist to form an air curtain; the ozone light degradation bin 2 is communicated above the even air blowing fan 10, when ozone passes through the ozone light degradation bin 2, the ozone can be degraded, on one hand, leakage of the ozone can be prevented, on the other hand, the ozone can be degraded into gas-liquid mixed suspension aerosol containing active oxygen and hydroxyl free radicals, and the suspension aerosol is sprayed out through the air curtain air outlet 8 to form an air curtain with a sterilization effect; air curtain gas outlet 8 is located disinfection isolation table surface on, and is equivalent with table surface's length, disinfection isolation table's side is provided with the air inlet, and the air inlet can inhale the air of outside, also avoids the inside negative pressure that produces of table when disinfecting to the outside air.

An infrared sensor can be arranged at the air inlet, and when the infrared sensor senses that a user approaches, the whole workbench is automatically triggered to start working to generate an air curtain to block the user; a switch can be arranged on the workbench, and when the air curtain needs to be generated, the switch is turned on.

The ozone photodegradation bin 2 is internally provided with a 254nm single-band ultraviolet lamp tube 1, and the 254nm single-band ultraviolet lamp tube 1 covers the whole air curtain air outlet 8. The 254nm single-band ultraviolet lamp tube 1 has the function of degrading ozone, and under the function of the 254nm single-band ultraviolet lamp tube 1, ozone aerosol can be degraded into gas-liquid mixed aerosol containing active oxygen and hydroxyl free radicals, so that the air on two sides of the air curtain is further sterilized while the air is blocked.

Disinfection water smoke generating device is including setting up the basin 12 of bottom in the workstation is kept apart in the disinfection, be provided with ultrasonic nebulizer 6 in the basin 12, basin 12 top is provided with the automatic dropwise add device 11 that takes place of disinfectant, the automatic dropwise add device 11 that takes place of disinfectant is connected with the controller, can add daily the using in the automatic dropwise add device 11 that takes place of disinfectant, does not have side effect or the less disinfectant of side effect to the human body, the utility model discloses in the disinfectant be hydrogen peroxide.

The top of basin 12 has set gradually photocatalysis net 4 and 185/254nm dual band ultraviolet ray fluorescent tube 3, photocatalysis net 4 and 185/254nm dual band ultraviolet ray fluorescent tube 3 set up the position at the side air inlet that is close to the disinfection isolation workstation, the air inlet department of disinfection isolation workstation side is provided with air intake fan 5. In order to sterilize the air sucked at the air inlet, the photocatalysis net 4 and the 185/254nm dual-band ultraviolet light lamp tube 3 are arranged at the air inlet, more ozone is generated by the synergistic effect of the photocatalysis net 4 and the 185/254nm dual-band ultraviolet light lamp tube 3, the content of the ozone can be increased when the air at the air inlet is sterilized, and more gas-liquid mixed aerosol containing active oxygen and hydroxyl radicals can be generated at the ozone photodegradation bin 2.

The bottom of the side surface of the disinfection isolation workbench is provided with a visible water tank 7, the visible water tank 7 is communicated with a water tank 12, the height of the water level in the water tank 12 can be known in time by observing the height of the liquid level in the visible water tank 7, and therefore the water in the water tank 12 can be supplemented through the visible water tank 7 as soon as possible.

The bottom of the disinfection isolation workbench is provided with a movable roller 13, and the movable roller 13 is provided with a locking device 14. The movement of the sterilization isolation table is facilitated by moving the rollers 13, thereby positioning the sterilization isolation table anywhere it is needed to be used.

The specific working mode is as follows: the workstation circular telegram is kept apart in will disinfecting, opens through the mode of switch or infrared induction to make whole workstation be in operating condition, the user sits in the both sides of workstation face to face, forms the disinfection gas curtain this moment, carries out the separation with the air between the user, and disinfects to the air of both sides in the separation.

In this embodiment, the isolation table is placed in the middle of a 10-cubic-meter enclosed space, the water tank 12 is filled with water, the automatic disinfectant generation and dropping device 11 is filled with hydrogen peroxide, and the device is turned on for 20 minutes according to the disinfection technical specification (2002 edition) of the ministry of health. Spraying the aerosol with bacteria and sampling on one side of the isolation air curtain, and sampling and detecting the quantity of bacteria and viruses on the other side of the air curtain, wherein the two are compared to obtain the isolation efficiency of the workbench. The strains used include Staphylococcus albus, Escherichia coli, and H1N1 virus.

The following comparative examples are provided separately:

comparative example 1: carrying out the same experiment by using common tables with the same size on the market;

comparative example 2: the device and the conditions of the utility model are used for carrying out experiments, and the internal ultrasonic atomizer is closed;

comparative example 3: the device and the conditions of the utility model are used for carrying out experiments, and the 185/254nm dual-waveband ultraviolet lamp tube is closed;

comparative example 4: the device and the conditions of the utility model are used for carrying out the experiment, and the ozone generator is closed;

comparative example 5: utilize device and condition experiment, close 254nm single-band ultraviolet ray fluorescent tube.

The experimental results are as follows:

as can be seen from the comparative example, the comparative example 1 performs the same experiment by using common tables with the same size on the market, has no obvious important effect of isolation, disinfection and sterilization, and can be used as the background control of the embodiment. Comparative example 2 only the internal ultrasonic atomizer was turned off, so that the inside of the device could not generate water mist ultrasonically, free oxygen and hydroxyl radicals could not be effectively excited, the disinfection and sterilization effect became poor, and simultaneously ozone could not be effectively dissolved in water, causing a large amount of ozone leakage; comparative example 3 a 185/254nm two-waveband ultraviolet lamp tube is closed, the reaction cannot be enhanced through photocatalytic reaction, and the disinfection and sterilization effects are poor; comparative example 4 the internal ozone generator is closed, so that a large amount of sterilization basic active substance ozone can not be generated, and the sterilization and purification effects are greatly reduced; comparative example 5A 254nm single-band ultraviolet lamp tube is closed, so that residual ozone can not be fully degraded, although the isolation and disinfection effect is partially enhanced, the leakage amount of ozone exceeds the standard, and the ozone is harmful to human health.

The above embodiments are preferred embodiments, it should be noted that the above preferred embodiments should not be considered as limitations of the present invention, and the scope of the present invention should be limited by the scope defined by the claims. It will be apparent to those skilled in the art that various modifications and enhancements can be made without departing from the spirit and scope of the invention, and such modifications and enhancements are intended to be within the scope of the invention.

Claims

1. A disinfection isolation workstation which characterized in that: the disinfection isolation workbench is internally provided with a disinfection water mist generating device and an ozone generator (9), a plurality of air-homogenizing blowing fans (10) are arranged above the disinfection water mist generating device and the ozone generator (9), the upper parts of the air-homogenizing blowing fans (10) are communicated with an ozone light degradation bin (2), the ozone light degradation bin (2) is communicated with an air curtain air outlet (8), and the air curtain air outlet (8) is positioned on the disinfection isolation workbench surface and is equal to the disinfection isolation workbench surface in length; and an air inlet is arranged on the side surface of the disinfection isolation workbench.

2. A sterilization isolation table as defined in claim 1, wherein: the ozone photodegradation bin (2) is internally provided with a 254nm single-band ultraviolet lamp tube (1), and the 254nm single-band ultraviolet lamp tube (1) covers the whole air curtain air outlet (8).

3. A sterilization isolation table as defined in claim 1, wherein: the disinfection water mist generating device comprises a water tank (12) arranged at the bottom in the disinfection isolation workbench, an ultrasonic atomizer (6) is arranged in the water tank (12), a disinfectant automatic generation dropwise adding device (11) is arranged above the water tank (12), and the disinfectant automatic generation dropwise adding device (11) is connected with a controller.

4. A sterilization isolation table according to claim 3, wherein: the disinfectant added into the disinfectant automatic generation and dripping device (11) is hydrogen peroxide.

5. A sterilization isolation table according to claim 3, wherein: the top of basin (12) has set gradually photocatalysis net (4) and 185/254nm dual-band ultraviolet ray fluorescent tube (3), photocatalysis net (4) and 185/254nm dual-band ultraviolet ray fluorescent tube (3) set up the position at the side air inlet that is close to the isolation workstation of disinfection.

6. A sterilization isolation table as defined in claim 1, wherein: an air inlet fan (5) is arranged at an air inlet on the side surface of the disinfection isolation workbench; the plurality of air-homogenizing blowing fans (10) are arranged side by side and cover the whole air curtain air outlet (8).

7. A sterilization isolation table as defined in claim 1, wherein: the bottom of the side face of the disinfection isolation workbench is provided with a visible water tank (7), and the visible water tank (7) is communicated with the water tank (12).

8. A sterilization isolation table as defined in claim 1, wherein: the bottom of the disinfection isolation workbench is provided with a movable roller (13), and the movable roller (13) is provided with a locking device (14).