CN217930985U

CN217930985U - Sampling device for virus particles in air

Info

Publication number: CN217930985U
Application number: CN202221293636.6U
Authority: CN
Inventors: 励土峰
Original assignee: Ningbo Hi Tech Zone 007 Industrial Design Co ltd
Current assignee: Ningbo Hi Tech Zone 007 Industrial Design Co ltd
Priority date: 2022-05-27
Filing date: 2022-05-27
Publication date: 2022-11-29
Anticipated expiration: 2032-05-27

Abstract

The utility model belongs to the technical field of virus collection, in particular to a sampling device for virus particles in air, which comprises a sampling channel, a sampling component arranged in the sampling channel and an exhaust fan arranged in the sampling channel and used for supplying air to the sampling component, wherein both ends of the sampling channel are provided with an air inlet and an air outlet; the sampling assembly comprises a mounting bracket fixed in the sampling channel and a virus collecting piece arranged in the mounting bracket; the utility model discloses simple structure, low cost, collection airborne virus particle that can be accurate quick to can conveniently calculate the quantity of virus in the air.

Description

Sampling device for virus particles in air

Technical Field

The utility model belongs to the technical field of the virus is gathered, concretely relates to viral particle sampling device in air.

Background

The virus is spread in the air to cause epidemic diseases, and how to accurately and effectively detect the existence of the virus has important significance for effectively controlling epidemic situation, but the number of the virus in unit air is small, the required number of the virus is difficultly and quickly collected in the air only by a collecting device, the detection result is not accurate, and the purpose of quickly detecting the virus in the air at present is difficult to meet.

SUMMERY OF THE UTILITY MODEL

The to-be-solved technical problem of the utility model is to provide a viral particles sampling device in the air, solve the problem of gathering virus in the air fast.

The utility model relates to a sampling device for virus particles in air, which comprises a sampling channel, a sampling component arranged in the sampling channel and an exhaust fan arranged in the sampling channel and used for supplying air to the sampling component, wherein both ends of the sampling channel are provided with an air inlet and an air outlet; the sampling assembly includes a mounting bracket secured within the sampling channel and a virus collection element disposed within the mounting bracket.

Wetting the surface with a virus collection member; the sampling device comprises a liquid collecting piece, a water pumping pipe and a water pump, wherein the liquid collecting piece is arranged below a sampling assembly, the water pumping pipe is arranged on the water pumping pipe, the liquid collecting piece is filled with water, one end of the water pumping pipe is communicated with the liquid collecting piece, and the other end of the water pumping pipe is arranged above the sampling assembly.

One end of the water pumping pipe arranged above the sampling assembly is provided with a water dripping nozzle.

The virus collecting part contains adhesive substance which is glycerol, vaseline, urea or water-absorbent resin.

The adhesive substance of the virus collecting piece is wrapped in the cloth bag filiform strip.

The virus collecting part comprises a virus sampling liquid storage part in which virus sampling liquid is stored, an air inlet pipe which is communicated with the air inlet port and extends into the lower part of the liquid surface in the virus sampling liquid storage part, and an air outlet pipe which is communicated with the air outlet port and the virus sampling liquid storage part.

And a side vent is arranged between the end part of the mounting bracket and the sampling channel.

Be provided with the granule direction sieve of a plurality of corresponding side vents in the sampling channel, granule direction sieve slope sets up, is the loudspeaker form, and the direction of slope is opposite with the moving direction of air, and the aperture in air inlet port is greater than the aperture of air outlet.

The device also comprises an ultraviolet disinfection lamp arranged in the sampling channel.

The utility model has the advantages that the utility model can be installed in the environment where air virus is required to be collected, such as collecting the aerosol, air and particles with virus in the air, and putting the collected aerosol, air and particles into a device to detect the virus; the device is suitable for continuous collection in dense or closed spaces such as a cab, a station, a vegetable field and the like; the device can be installed in equipment such as an air conditioner, an air conditioner evolutionary device and the like; the device can also be used in air conditioners, air purifiers and other equipment for sampling air quality. The utility model discloses simple structure, low cost, virus particles in the collection air that can be accurate quick to can conveniently calculate the quantity of virus in the air.

Drawings

Fig. 1 is a schematic sectional view of an embodiment of the present invention.

Fig. 2 is a schematic structural view of a liquid collection chamber according to an embodiment of the present invention.

Fig. 3 is a schematic structural view of a water dropping nozzle according to an embodiment of the present invention.

Fig. 4 is a schematic structural diagram of another embodiment of the present invention.

FIG. 5 is a schematic view of the structure of the virus collecting member.

FIG. 6 is a schematic diagram of the structure of the virus collecting member for virus detection.

FIG. 7 is a schematic structural diagram of a virus storage sampling liquid component for collecting sampling liquid for virus detection.

In the figure, a sampling channel 1, an air inlet 2, an air outlet 3, an exhaust fan 4, a sampling assembly 5, a mounting bracket 6, a partition 7, a virus collecting part 8, a side air vent 9, a particle guide sieve plate 10, a liquid collecting part 11, an ultraviolet disinfection lamp 12, a water dripping nozzle 13, a water pumping pipe 14, a water pumping machine 15, an air inlet pipe 16, a virus sampling liquid storing part 17, a virus sampling liquid storing part 18 and an air outlet pipe 19.

Detailed Description

As shown in fig. 1-7, the utility model relates to a sampling device for virus particles in air, which comprises a sampling channel 1, a sampling component 5 arranged in the sampling channel 1 and an exhaust fan 4 arranged in the sampling channel 1 and used for supplying air to the sampling component 5, wherein both ends of the sampling channel 1 are provided with an air inlet 2 and an air outlet 3; the sampling assembly 5 includes a mounting bracket 6 secured within the sampling channel 1 and a virus collection member 8 disposed within the mounting bracket 6.

The virus collecting part 8 of the utility model is a cloth bag filiform strip filled with moisture-absorbing and moisture-preserving materials, and the moisture-preserving and moisture-preserving materials are adhesive materials, such as glycerin, vaseline, urea or water-absorbing resin; the material of sack filiform strip can be aseptic cotton, the non-woven fabrics, filiform materials such as flocking cloth, this device carries out convulsions through air exhauster 4, make the air pass through sampling passageway 1, the air is when passing through sampling passageway 1, can flow through virus collection piece 8, it is used for the circulation of air to be provided with the pore in the virus collection piece 8, the air passes through the sack, granule or viral material in the air can be adsorbed by moisture absorption moisturizing material, after a period, collect piece 8 with the virus and take off, be used for detecting the virus in arranging virus detection device in, according to ventilation time, the ventilation amount of wind, the viral quantity, can calculate the density that obtains virus in the air.

The virus-collecting member 8 wets the surface; the sampling device comprises a liquid collecting piece 11, a water pumping pipe 14 and a water pump 15, wherein the liquid collecting piece 11 is arranged below the sampling assembly 5, the water pumping pipe 14 is installed on the water pumping pipe 14, water is filled in the liquid collecting piece 11, one end of the water pumping pipe 14 is communicated with the liquid collecting piece 11, and the other end of the water pumping pipe is arranged above the sampling assembly 5. The water pump 15 can continuously or intermittently pump water, and pumps water in the liquid collecting piece 11 to the upper part of the sampling assembly 5 and then enters the virus collecting piece 8, so that the virus collecting piece 8 is kept in a wet state to improve the virus adhesion capability of the virus collecting piece, and viruses in the virus collecting piece 8 enter the liquid collecting piece 11 to prevent the viruses from diffusing so as to purify the viruses in the air, and on the other hand, the water in the liquid collecting piece 11 can be directly detected to judge whether the viruses exist in the air, and the water in the liquid collecting piece 11 is replaced at intervals.

One end of the water pumping pipe 14 arranged above the sampling assembly 5 is provided with a water dripping nozzle 13, and the water dripping nozzle 13 can spray water uniformly.

Sampling channel 1 is loudspeaker form, and the aperture of air inlet 2 is greater than the aperture of air outlet 3, can increase air flow rate, and makes the air more concentrated, makes the collection of virus in the air more convenient.

The sampling assembly 5 further comprises spacers 7 disposed at both ends of the virus collection member 8. The spacer 7 is used for fixing the virus-collecting element 8 on the one hand and for isolating the virus-collecting element 8 from other components on the other hand, thereby preventing the spread of viruses.

The virus collecting part 8 comprises a virus sampling liquid storing part 17 in which virus sampling liquid 18 is stored, an air inlet pipe 16 which is communicated with the air inlet 2 and extends into the lower part of the liquid surface in the virus sampling liquid storing part 17, and an air outlet pipe 19 which is communicated with the air outlet 3 and the virus sampling liquid storing part 17. Air exhauster 4 is ventilated in to storing up virus sampling liquid spare 17 through intake pipe 16, the air admission is stored up in the virus sampling liquid 18 in virus sampling liquid spare 17, then emits, flow out through outlet duct 19, viral particle in the air gets into virus sampling liquid 18 after, in having stayed storing up virus sampling liquid spare 17, after collecting a period, be used for detecting the virus in sending into virus detection device with virus sampling liquid 18, according to the ventilation time, the ventilation air volume, the virus quantity, can calculate the density that obtains virus in the air.

The virus sampling solution can be: the components of the nucleic acid extraction cracking solution comprise guanidine salt, RNase inhibitor or purified water or Hanks liquid base, gentamicin, fungus antibiotic, BSA (V), cryoprotectant, biological buffer and amino acid, and the nucleic acid extraction cracking solution belongs to the prior art.

A side vent 9 is provided between the end of the mounting bracket 6 and the sampling passage 1. The side air vents 9 are used for increasing the circulation rate of air, certain requirements are required on air flow rate and flow velocity in some special devices such as air conditioners and air purifiers, and the use of the side air vents 9 is beneficial to increasing the air flow rate in unit time, so that the flow velocity loss is avoided, and viruses can be collected.

A particle guide sieve plate 10 corresponding to the side vent 9 is arranged in the sampling channel 1, the particle guide sieve plate 10 is obliquely arranged, and the oblique direction is opposite to the moving direction of air. When the air flows through the space between the particle guide sieve plate 10 and the virus collecting part 8, because the ability of the virus collecting part 8 for passing through the air is weaker, part of the air can enter the particle guide sieve plate 10 and pass through the side vent 9 and flow out from the air outlet 3, but because of the inclined arrangement mode of the particle guide sieve plate 10, when the air flows through the virus collecting part 8, the air can stay and press at the virus collecting part 8, so that virus particles in the air can more easily enter the virus collecting part 8 to be collected by the virus collecting part, and meanwhile, the flow rate of the air can also be ensured.

The particle guide sieve plate 10 is a plurality of and is arranged in parallel.

Still including setting up ultraviolet disinfection lamp 12 in sampling channel 1, when taking off the liquid that virus was collected 8 or was stored up in virus sampling liquid spare 17 and carry out the sample detection, can open ultraviolet disinfection lamp 12 and disinfect, when preventing to detect next time, the remaining virus influence of sampling pipeline 1 lateral wall is collected the accuracy that detects, purifies simultaneously and disinfects.

While embodiments of the invention have been disclosed above, it is not intended to be limited to the applications listed in the specification and the examples. It can be applicable to all kinds of being fit for the utility model's field completely. Additional modifications will readily occur to those skilled in the art. Therefore, the invention is not to be limited to the specific details and illustrations shown and described herein, without departing from the general concept as defined by the appended claims and their equivalents.

Claims

1. A sampling device for virus particles in air is characterized by comprising a sampling channel (1), a sampling component (5) arranged in the sampling channel (1) and an exhaust fan (4) which is arranged in the sampling channel (1) and used for supplying air to the sampling component (5), wherein an air inlet (2) and an air outlet (3) are arranged at two ends of the sampling channel (1); the sampling assembly (5) comprises a mounting bracket (6) fixed in the sampling channel (1) and a virus collecting part (8) arranged in the mounting bracket (6).

2. An airborne viral particle sampling apparatus according to claim 1, wherein the virus collecting member (8) wets a surface; the sampling device comprises a liquid collecting piece (11) arranged below a sampling assembly (5), a water pumping pipe (14) and a water pump (15) arranged on the water pumping pipe (14), wherein water is filled in the liquid collecting piece (11), one end of the water pumping pipe (14) is communicated with the liquid collecting piece (11), and the other end of the water pumping pipe is arranged above the sampling assembly (5).

3. An airborne virus particle sampling apparatus according to claim 2, wherein one end of the suction pipe (14) arranged above the sampling module (5) is provided with a drip nozzle (13).

4. The airborne virus particle sampling apparatus as defined in claim 1 wherein the virus collecting member (8) includes a virus sampling liquid storage member (17) in which the virus sampling liquid (18) is stored, an air inlet pipe (16) communicating with the air inlet port (2) below the liquid level in the virus sampling liquid storage member (17), and an air outlet pipe (19) communicating with the air outlet port (3) and the virus sampling liquid storage member (17).

5. An airborne viral particle sampling device as claimed in any one of claims 1 to 4 wherein a side vent (9) is provided between the end of the mounting bracket (6) and the sampling channel (1).

6. The airborne virus particle sampling device of claim 5, wherein a plurality of particle guide sieve plates (10) corresponding to the side air vents (9) are arranged in the sampling channel (1), the particle guide sieve plates (10) are obliquely arranged and horn-shaped, the oblique direction is opposite to the moving direction of air, and the aperture of the air inlet (2) is larger than that of the air outlet (3).

7. An airborne viral particle sampling apparatus as claimed in any one of claims 1 to 4, further comprising an ultraviolet disinfection lamp (12) disposed within the sampling passage (1).