CN217604286U

CN217604286U - Portable micro-negative pressure nucleic acid sampling cabin

Info

Publication number: CN217604286U
Application number: CN202221146408.6U
Authority: CN
Inventors: 刘磊; 毕晓媛
Original assignee: Shenzhen Traditional Chinese Medicine Hospital
Current assignee: Shenzhen Traditional Chinese Medicine Hospital
Priority date: 2022-05-13
Filing date: 2022-05-13
Publication date: 2022-10-18
Anticipated expiration: 2032-05-13

Abstract

The utility model provides a portable little negative pressure nucleic acid sampling cabin, relates to the supporting facility technical field of nucleic acid sampling, solves current nucleic acid sampling facility and can not effectively protect by the person of sampling, prevent that cross infection's technique is not enough, and the technical scheme of adoption includes: the tent is internally provided with a sampling operation table and an exhaust pipe, and is externally provided with a secondary purification treatment device; a primary purification treatment device is arranged in the sampling operation table, and an air inlet window and an air outlet window are arranged on a box body of the sampling operation table; the exhaust pipe is arranged at the bottom of the inner wall of the tent and is connected with the secondary purification treatment device through a connecting pipe orifice and a metal hose. The utility model discloses a one-level purification unit is air around the window extraction of admitting air in the sampling process, and the clean gas is discharged through the window of giving vent to anger after the purification treatment, prevents to be diffused to around by the gas of sampling people's exhalation, through the air in the second grade purification unit extraction and the processing tent simultaneously, prevents that gas in the tent from leaking, has avoided in the tent, has taken place cross infection outward, has played the guard action to being sampled the people, and is safer.

Description

Portable micro-negative pressure nucleic acid sampling cabin

Technical Field

The utility model relates to a supporting facility technical field of nucleic acid sampling, more specifically relate to a portable little negative pressure nucleic acid sampling cabin.

Background

Most of patients infected by the novel coronavirus have no symptoms or the symptoms are not obvious, so that the patients are not aware of diseases and do not take proper isolation protection measures in time, and hidden troubles are brought to the recessive transmission of the virus. In order to avoid the aggravation of the above-mentioned problems and prevent spread of the epidemic, nucleic acid detection has become a normal state. In conventional nucleic acid sampling or large-scale nucleic acid sampling, medical personnel wearing positive pressure protective clothing mainly use a sampling cotton swab to obtain a pharyngeal swab and a nasal swab of a person to be sampled. In order to facilitate residents to participate in detection, a general nucleic acid sampling point needs to be arranged in large-scale open-air places such as parks and squares close to residential areas, so that more people to be sampled can be accommodated conveniently, and large-scale nucleic acid sampling detection work can be carried out.

In the public places, corresponding facilities or buildings capable of assisting nucleic acid sampling are not arranged originally, so that temporary nucleic acid sampling facilities need to be built. For example, in the nucleic acid safety sampling house with the Chinese patent application number of CN202022437458.7, the bottom of the facility is provided with universal wheels, so that the facility can be conveniently moved and can be conveniently transferred and used at each sampling point. However, the sampling room is mainly used for protecting medical staff, completely isolating the sampling room from the sampled person, preventing the sampled medical staff from being infected, and having no corresponding safety protection effect on the person waiting for detection to be sampled. The sampled person needs to open a mouth in the sampling process, if the sampled person is an asymptomatic infected person, viruses can automatically diffuse to the surrounding space of the sampling area in the process of opening the mouth, other people to be sampled which are close to the sampled person or the sampled person who is sampled next are easily infected by the diffused viruses, and great infection risks are brought to the people who participate in large-scale nucleic acid detection.

Therefore, it is necessary to provide a nucleic acid sampling chamber which can be easily disassembled and assembled for use, and can effectively protect the person to be sampled and prevent the virus from spreading to the surrounding space during the sampling process to solve the above problems.

SUMMERY OF THE UTILITY MODEL

To sum up, the utility model discloses an aim at solve current nucleic acid sampling facility and to not having the guard action by the person of sampling, can not prevent that virus from to the diffusion of sampling region space in the sampling process, lead to around by the technique that the person of sampling easily is infected not enough, and provide a portable little negative pressure nucleic acid sampling cabin.

For solving the utility model provides a technique is not enough, and the technical scheme of adoption does, a portable little negative pressure nucleic acid sampling cabin, a serial communication port, including:

the tent is a foldable and storable non-airtight tent and is provided with an exhaust port for exhausting internal air outside, an entrance door and an exit door for allowing a single sampled person to directly enter and exit;

the sampling operation platform is of an airtight box body structure and is positioned on one side of a sampling person inlet and outlet channel in the tent, a primary purification treatment device is arranged in the box body, and the box body is provided with an air inlet window for the primary purification treatment device to extract air around a sampling operation area and an air outlet window for discharging purified clean air;

the tube walls of the plurality of air exhaust tubes are uniformly provided with a plurality of air exhaust openings, the air exhaust openings are detachably connected into a closed tube structure along the bottom of the inner wall of the tent end to end through a connector, and one air exhaust tube is provided with a connecting tube opening extending through the air exhaust opening;

and the secondary purification treatment device is arranged outside the tent, and the air inlet end of the secondary purification treatment device is connected with the connecting pipe opening through a metal hose and used for extracting air in the tent through the exhaust pipe and performing purification treatment.

Further, the primary purification treatment device comprises:

the primary filter box is of an airtight box body structure, the two ends of the primary filter box are respectively provided with an air inlet and an air outlet, one side of the primary filter box is provided with a plurality of filter inserting plates which are vertically and transversely inserted between the air inlet and the air outlet side by side, and the air inlet corresponds to the air inlet window;

the air inlet end of the first-stage exhaust fan is connected with the air outlet, and the air outlet end of the first-stage exhaust fan is connected with an upper air guide pipe which vertically extends downwards;

the primary disinfection box is of an airtight box body structure, the upper end of the primary disinfection box is in sealing butt joint with the upper air guide pipe, the lower end of the primary disinfection box extends to the upper portion of the bottom surface of the primary disinfection box, disinfectant which submerges the lower end of the lower air guide pipe is contained in the box body of the primary disinfection box, the top of the primary disinfection box is provided with a primary clean air outlet for discharging clean air treated by the disinfectant outwards, and the clean air discharged by the primary clean air outlet is directly discharged into the tent through the air outlet window.

Furthermore, the side wall of the primary filter box is provided with a plurality of plugboard openings for respectively plugging the filter plugboards, and the sampling operation platform is provided with a plurality of plugging grooves for respectively sealing and butting the plugboard openings and used for plugging and replacing the filter plugboards.

Furthermore, every the tip of filtering the picture peg all is equipped with and is used for the shutoff take out the end closure board of slot, every the end closure board on all be equipped with one and be convenient for take out the handle of inserting the operation.

Furthermore, the sampling operation panel on seted up and be used for taking out and insert the dismouting take out the socket of one-level disinfect box, one-level disinfect box shutoff in take out and be equipped with the liquid level window of being convenient for observe the antiseptic solution liquid level on the terminal surface of socket.

Furthermore, a filter screen cover is arranged on the primary clean gas outlet, and a nano silver ion filter net piece is arranged on the filter screen cover.

Furthermore, the primary purification treatment device further comprises a control module, a storage battery, a switch button, a charging interface and a power supply interface, wherein the storage battery is electrically connected with the control module and used for supplying power, the switch button is used for manual control, and the power supply interface is used for charging and supplying power to the outside.

Furthermore, the tent in detachably install a plurality of through the wire with power supply interface electric connection's ultraviolet germicidal lamp for after the sampling to the tent inside ultraviolet kill.

Furthermore, the secondary purification treatment device is a movable particle air filter and is arranged at a position far away from the crowd to be sampled.

Furthermore, a sealing ring is arranged between the connecting pipe orifice and the exhaust port.

The utility model has the advantages that: 1. the utility model discloses the main part in sampling cabin is collapsible tent of accomodating, compares in the boxlike structure cost of stereoplasm, gas tightness lower, changes and acquires, and carries, dismouting, use and shift more conveniently, is favorable to using widely.

2. The utility model discloses only allow one in the tent to be passed in and out by the sampling person, its expired gas can be inhaled and disinfection treatment through the air inlet window by the one-level purification unit in the sampling operation platform in the sampling process, then clean gas after one-level purification unit disinfection treatment can be directly arranged in the tent via the air outlet window, the people of being sampled of having avoided infecting the virus spreads the space around to the sampling operation district with the virus in the sampling process, sampling operation personnel has been prevented, supplementary medical personnel on every side, next by the sampling person the virus infection by the diffusion in the sampling process, the effect of extensively safety protection has been played.

3. The utility model discloses the sampling cabin provides little negative pressure environment in for the tent through locating the outer second grade purification unit of tent and exhaust column, prevents that the air that probably carries the virus in the tent in the sampling process from leaking and leading to near masses' infection of waiting to queue up the sampling, and in addition, the air of taking out in the tent is discharged by disinfection and purification processing back, can not cause harm to the surrounding environment, and health nature, security are higher.

Drawings

FIG. 1 is a schematic view of the overall structure of the present invention;

fig. 2 is an exploded view of the tent structure of the present invention;

FIG. 3 is a schematic view of the structure of the assembly of the sampling console, the assembly of the primary purification treatment device, and the assembly of the exhaust pipe of the present invention;

fig. 4 is an exploded view of the whole structure of the sampling console of the present invention;

FIG. 5 is a schematic view of the overall structure of the primary purification treatment apparatus of the present invention;

fig. 6 is the structure decomposition schematic diagram of the one-level purification treatment device of the utility model.

In the figure: 1. the multifunctional portable air purifier comprises a tent, 11 folding supports, 12 tarpaulin, 121 exhaust ports, 122 entrance doors, 123 outside exit doors, 124 transparent flexible plastic windows, 2 sampling operation tables, 21 operation table tops, 22 air inlet windows, 23 air outlet windows, 24 air extraction slots, 25 air extraction ports, 3 primary purification treatment devices, 30 control panels, 31 primary filter boxes, 311 air inlet ports, 312 air outlet ports, 313 filter insertion plates, 314 insertion plate ports, 135 sealing end plates, 316 handles, 32 primary exhaust fans, 321 upper air guide pipes, 33 primary disinfection boxes, 331 lower air guide pipes, 332 primary clean air outlet ports, 333 liquid level windows, 334 filter screen covers, 335 nano silver ion filter meshes, 34 control modules, 35 storage batteries, 36 switch keys, 37 charging ports, 38 power supply ports, 4 air extraction pipes, 41 air extraction ports, 42, 43 connection pipe ports, 5 secondary purification treatment devices, 6 metal flexible pipes, 7 ultraviolet sterilization lamps and 8 sterilization sealing rings.

Detailed Description

The structure of the present invention will be further described with reference to the accompanying drawings and preferred embodiments of the present invention.

Referring to fig. 1 to 6, the utility model relates to a portable micro negative pressure nucleic acid sampling cabin, including tent 1, sampling operation panel 2, one-level purification unit 3, exhaust column 4 and second grade purification unit 5.

Specifically, as shown in fig. 2, the tent 1 is a foldable and storable non-airtight tent, is integrally in a shelter shape, is composed of a folding support 11 and a tarpaulin 12 detachably covered on the folding support 11, can be quickly detached, quickly assembled and rapidly stowed, and is simple in structure, convenient to detach, assemble and use.

Specifically, an exhaust port 121 for exhausting air inside the tent 1 is arranged at the lower part of the left side wall of the tent 1, an entrance door 122 and an exit door 123 for allowing a single sampled person to directly enter and exit are correspondingly arranged at the right side positions of the front and rear side walls of the tent 1, and a plurality of transparent flexible plastic windows 124 for lighting are arranged on the four walls of the tent 1.

The four sides of the transparent flexible plastic window 124 are integrally connected with the tarpaulin 12, the number of windows is set according to the actual use requirement, the best color light effect of the tent 1 is ensured, and meanwhile, the structural strength, stretch resistance and folding resistance of the tarpaulin 12 are considered.

Preferably, four sides of the entrance door 122 and the exit door 123 are integrally connected with the tent cloth 12, and are also made of transparent soft plastic materials, and are designed into a two-piece type middle-part folding opening-closing type structure, so that the tent can be automatically closed and closed when a sampled person enters and exits conveniently. In addition, the access door 122 made of transparent material can also facilitate the people waiting for sampling in the subsequent queue to know the sampling progress in the tent 1 in time, so that the people can sample continuously in time, and the whole sampling efficiency is improved.

Specifically, referring to fig. 3 to 4, the sampling operation platform 2 is an airtight box structure, and the side facing the medical care personnel is defined as the front side, the whole is transversely arranged at the inner side of the access passage of the sampled person in the tent 1, the upper end surface is an operation platform 21 for placing sampling articles such as test tube brackets, disinfection solution, disposable medical gloves, sampling swabs and the like, and the primary purification treatment device 3 is arranged in the box body. An air inlet window 22 used for the primary purification treatment device 3 to extract air around the sampling operation area is arranged on the upper portion of the left side wall of the box body of the sampling operation platform 2, and an air outlet window 23 used for discharging purified air after purification treatment is arranged on the lower portion of the right side wall of the box body of the sampling operation platform 2.

Specifically, referring to fig. 3, a plurality of suction ports 41 are uniformly distributed on the wall of the suction pipe 4 along the axial direction, the number of the suction pipes 4 is at least four, the suction pipes 4 are detachably connected into a closed pipe structure along the bottom of the inner wall of the tent 1 end to end through connectors 42, and a connecting pipe opening 43 which penetrates through the exhaust port 121 and extends out of the tent 1 is arranged in the middle of the suction pipe 4 corresponding to the left side wall of the tent 1.

Specifically, referring to fig. 1 and 3, the secondary purification treatment device 5 is disposed outside the tent 1, and an air inlet end of the secondary purification treatment device is connected to the connection pipe opening 43 through a metal hose 6, and is used for extracting air in the tent 1 through an air suction opening 41 formed in the air suction pipe 4 and performing purification treatment, and also providing a micro negative pressure environment in the tent 1.

During actual use, a person to be sampled directly enters the sampling operation platform 2 in the tent 1 through the entrance door 122 to sample, the primary purification treatment device 3 sucks gas exhaled by the person through the air inlet window 22 in the sampling process, the gas is disinfected and purified, and the purified gas after treatment is discharged through the air outlet window 23. Meanwhile, the secondary purification treatment device 5 pumps out the air in the tent 1 through the metal hose 6 and the exhaust pipe 4 so as to perform disinfection and purification treatment, and provides a micro negative pressure environment in the tent 1 to prevent the internal gas from leaking. After the sampling is finished, the sampled person directly exits the tent 1 through the exit gate 123, and the next sampled person continuously enters to finish the sampling operation.

After the technical scheme is adopted, the utility model discloses following beneficial effect has.

First, the utility model discloses the main part in sampling cabin is collapsible tent 1 of accomodating, compares in the box structure cost of stereoplasm, gas tightness lower, changes and acquires, and it is more convenient to carry, dismouting, use and shift, is favorable to using widely.

And simultaneously, the utility model discloses only allow one in tent 1 to be passed in and out by the sampling person, treat the sampling person with it with other and keep apart, the gaseous one-level purification unit 3 that can its exhalation in the sampling process by sampling operation panel 2 inhales and disinfection treatment through air inlet window 22, then the clean gas after 3 disinfection treatment of one-level purification unit can be in line to tent 1 via air outlet window 23, the sampled person who has avoided infecting the virus spreads the virus to the space around the sampling operation district in the sampling process, sampling operation personnel has been prevented, auxiliary medical personnel on every side, next by the virus infection of the sampled person by the diffusion in the sampling process, the effect of extensively safety protection has been played.

Furthermore, the utility model discloses air inlet window 22 sets up on the upper portion of 2 left side walls of sampling operation panel, and the gas of being sampled people's exhalation in the sampling process is to the below left side flow to air inlet window 22, prevents that the gas of its exhalation from to the diffusion of sampling articles for use department such as test tube bracket, sampling cotton swab on the operation mesa 21, has avoided the sampling articles for use to be contaminated, and the security is higher.

Furthermore, the utility model discloses the sampling cabin provides little negative pressure environment for tent 1 in through locating the outer second grade purification unit 5 of tent 1 and exhaust column 4, prevents in the sampling process that the air that probably carries the virus in tent 1 from leaking and lead to near masses' infection of waiting for the sampling of lining up, and in addition, the air of taking out in tent 1 is by disinfection purification treatment back exhaust, can not cause harm to the surrounding environment, and health nature, security are higher.

Additionally, the utility model discloses its entering door 122 of tent 1 in sampling cabin and the mode setting that corresponds around going out door 123 adoption to can directly pass in and out by the sampling people, greatly improved by the speed of sampling people business turn over tent 1, improved the efficiency of whole sampling work.

Preferably, referring to fig. 4, in order to facilitate the movement of the sampling console 2 to facilitate the arrangement of the sampling chambers, a universal wheel set may be disposed at the bottom of the sampling console.

Further, referring to fig. 5 and 6, the one-level purification treatment device 3 of the sampling chamber of the present invention comprises a one-level filtering box 31, a one-level air exhauster 32 and a one-level sterilizing box 33.

Specifically, first-order filter box 31 is gas tightness box structure, and fixed gomphosis is seted up on the wall of its left end and is corresponded on the upper left portion position in sampling operation panel 2 air inlet 311 of air inlet window 22, offered the gas outlet 312 that is used for giving vent to anger on its right-hand member wall, be equipped with three vertical horizontal grafting side by side on the preceding lateral wall of first-order filter box 31 and be in filter picture peg 313 between air inlet 311 and the gas outlet 312, three filter picture peg 313 separates into four mutual isolation with the filter box inside district to through the filtration cavity that filter picture peg 313 communicates.

Specifically, the primary exhaust fan 32 is fixedly connected to the right side of the primary filter tank 31, the air inlet end thereof is connected to the air outlet 312, and the air outlet end thereof is connected to an upper air guiding pipe 321 extending vertically downward.

Specifically, the primary sterilizing box 33 is an airtight box structure, is disposed at the lower portion of the primary exhaust fan 32 and at the right lower portion of the sampling console 2, and is provided with a lower air duct 331 having an upper end hermetically abutting against the upper air duct 321 and a lower end extending to the upper portion of the bottom surface of the primary sterilizing box 33, a sterilizing liquid submerged in the lower air duct 331 is contained in the box, a primary clean air outlet 332 for discharging the clean air treated by the sterilizing liquid is disposed at the top of the primary clean air outlet 332, and the clean air discharged from the primary clean air outlet 332 is directly discharged into the tent 1 through an air outlet window 23 disposed at the lower portion of the right side wall of the box of the sampling console 2.

When the sterilizing box is actually used, the primary exhaust fan 32 operates to suck air in the sampling operation area range into the primary filtering box 31 through the air inlet window 22 and the air inlet 311, the air entering the primary filtering box 31 is sequentially filtered by the three filtering inserting plates 313, then is pressed to the upper air guide pipe 321 and the lower air guide pipe 331 through the air outlet 312 by the primary exhaust fan 32, then enters the sterilizing liquid in the primary sterilizing box 33 under the guidance of the upper air guide pipe and the lower air guide pipe for sterilization treatment, and finally the sterilized clean air is discharged through the primary clean air outlet 332 and the air outlet window 23 at the upper end of the primary sterilizing box 33.

The utility model discloses one-level purification unit 3 in sampling cabin successively filters and disinfection treatment through rose box and disinfect box to inspiratory air, can effectively dispel polluting particulate matter and pathogenic microorganism, virus etc. in the air, simple structure, convenient to use, and air treatment is effectual, and can realize handling the direct row of back gas.

Further, as shown in fig. 4, the utility model discloses set up three picture peg mouth 314 that is used for pegging graft three filtration picture peg 313 respectively on the preceding lateral wall of one-level filter box 31, sampling operation panel 2 with correspond on the lateral wall and set up three sealed butt joint respectively picture peg mouth 314, be used for taking out to insert and change the drawing-out inserting groove 24 that filters picture peg 313.

Further, referring to fig. 6, the end of each filter insert plate 313 is provided with a sealing plate 315 for sealing the drawing and inserting slot 24, and each sealing plate 315 is provided with a handle 316 for facilitating the drawing and inserting operation.

The utility model discloses one-level purification unit 3's filtration picture peg 313 adopts the mode that can outside take out to insert the change to be assembled on one-level filter case 31 through taking out picture peg 24 and picture peg mouth 314 activity, and follow-up medical personnel of being convenient for directly pass through handle 316 pull, change filtration picture peg 313 from sampling operation panel 2 outsides to keep one-level filter case 31's filter effect, simple structure, convenient operation.

Further, as shown in fig. 4 to 6, the utility model discloses it is used for taking out and inserts the dismouting to offer on the preceding lateral wall right side lower part position of sampling operation panel 2 take out socket 25 of one-level disinfect box 33, one-level disinfect box 33 shutoff in be equipped with the liquid level window 333 of being convenient for observe the antiseptic solution liquid level on the terminal surface of taking out socket 25.

The utility model discloses an one-level disinfect box 33 adopts the mode that can outside take out to insert to be through taking out plug 25 movable assembly on sampling operation platform 2, and follow-up medical personnel of being convenient for directly take one-level disinfect box 33 out from sampling operation platform 2 outsides to the operating personnel of being convenient for adds the antiseptic solution from one-level clean gas outlet 332 to the disinfect box. Meanwhile, medical staff can visually observe the liquid level of the disinfectant through the liquid level window 333, so that the disinfectant is timely added when not enough, air which is not disinfected is prevented from being discharged, and the safety is better.

Further, as shown in fig. 6, the one-level clean gas outlet 332 of the one-level sterilizing box 33 of the present invention is provided with a filter screen cover 334, wherein the filter screen cover 334 is provided with a nano silver ion filter screen 335.

The clean gas after being disinfected by the disinfectant is disinfected again by the nano silver ion filter net piece 335 when being discharged from the primary clean gas outlet 332. Silver ions are proved to have a strong sterilization and disinfection effect, the nano silver ion filter mesh 335 formed by uniformly distributing nano silver ions on the filter mesh has an excellent sterilization and disinfection effect on passing air, and compared with the simple disinfection solution treatment, the nano silver ion filter mesh 335 is added to have a better sterilization and disinfection effect.

Further, referring to fig. 5 and 6, the one-level purification treatment device 3 of the present invention further comprises a control module 34, a storage battery 35 electrically connected to the control module 34 and used for supplying power, a switch button 36 for manual control, a charging interface 37 for charging, and a power supply interface 38 for supplying power to the outside.

Preferably, the control module 34 and the storage battery 35 are fixedly installed in a left lower cavity of the sampling operation platform 2, the control panel 30 is arranged on the lower position of the left side wall of the sampling operation platform 2, the switch button 36, the charging interface 37 and the power supply interface 38 are all arranged on the control panel 30, so that medical staff can conveniently and manually control the on-off and running power of the primary exhaust fan 32, the storage battery 35 can be charged through the charging interface 37, or the power supply interface 38 can be connected with other electric equipment such as a lighting lamp.

Further, as shown in fig. 1, the utility model discloses a plurality of ultraviolet germicidal lamps 7 through power supply interface 38 electric connection of wire and one-level purification unit 3 are installed to detachably in tent 1 for the sampling is finished the back and is carried out ultraviolet disinfection to tent 1 inside.

After sampling work, operating personnel can utilize the electric power that battery 35 provided to light ultraviolet germicidal lamp 7 to kill with 1 inside ultraviolet of tent, kill and accomplish the back and fold tent 1 again and accomodate, prevent that there is pathogenic microorganism such as virus to remain, the security is better.

Further, the utility model discloses a second grade purification unit 5 is movable's particulate air cleaner, and the setting is keeping away from the crowd department of waiting to sample.

The particulate air filter is widely applied to places with high air quality requirements, such as hospitals, pharmaceutical factories and the like, and generally comprises a filtering component, an ultraviolet disinfection component or an ozone treatment component, and the like. Its volume is great usually, inconvenient removal, the utility model discloses set up it into mobilizable form, the quick transfer can be realized to carriers such as allotment shallow or wheelset. And the utility model discloses utilize metal collapsible tube 6 to be connected its and the mouth of pipe 43 of exhaust column 4, utilize the characteristic of 6 flexible deformations of metal collapsible tube to make things convenient for the position control of second grade purification unit 5.

The utility model discloses place second grade purification unit 5 and can reduce the anxiety of treating the sampling personnel in the position department of keeping away from the crowd and feel, and effectively avoid purifying the back air and being treated the sampling crowd and inhale, the security is better.

Further, as shown in fig. 3, the utility model discloses still be equipped with sealing washer 8 between the mouth of pipe 43 outer wall of exhaust column 4 and gas vent 121, can fill the gap between the two through this sealing washer 8, improve the reliability of being connected between mouth of pipe 43 and the tent 1 to prevent that the inside air that does not handle by second grade purification unit 5 of tent from leaking through the gap between the two, the security is better.

The above examples are merely for clarity of description of specific embodiments of the present invention and are not intended to limit the embodiments of the present invention. For those skilled in the art, it can be deduced that other adjustments or changes to the tent 1, the sampling console 2, the primary purification treatment device 3, the exhaust pipe 4, the secondary purification treatment device 5, the ultraviolet germicidal lamp 7, etc. are not listed herein. Any modification, replacement or improvement made within the spirit and principle of the present invention should be included in the protection scope of the claims of the present invention.

Claims

1. A portable micro negative pressure nucleic acid sampling cabin is characterized by comprising:

2. The portable micro negative pressure nucleic acid sampling chamber of claim 1, wherein the primary purification treatment device comprises:

3. The portable micro negative pressure nucleic acid sampling cabin according to claim 2, wherein the side wall of the primary filter box is provided with a plurality of inserting plate openings for respectively inserting the filtering inserting plates, and the sampling operation platform is provided with a plurality of inserting and pulling grooves for respectively sealing and butting the inserting plate openings and for inserting and replacing the filtering inserting plates.

4. The portable micro negative pressure nucleic acid sampling chamber according to claim 3, wherein the end of each of the filter inserting plates is provided with a sealing plate for sealing the drawing and inserting slot, and each of the sealing plates is provided with a handle for facilitating the drawing and inserting operation.

5. The portable micro negative pressure nucleic acid sampling cabin of claim 2, wherein the sampling console is provided with a drawing and inserting port for drawing, inserting, disassembling and assembling the primary disinfection box, and the end surface of the primary disinfection box plugged in the drawing and inserting port is provided with a liquid level window convenient for observing the liquid level of the disinfectant.

6. The portable micro negative pressure nucleic acid sampling chamber of claim 2, wherein the primary clean gas outlet is provided with a filter screen, and the filter screen is provided with a nano silver ion filter mesh.

7. The portable micro negative pressure nucleic acid sampling cabin of claim 1, wherein the primary purification treatment device further comprises a control module, a storage battery electrically connected with the control module for supplying power, a switch button for manual control, a charging interface for charging, and a power supply interface for supplying power to the outside.

8. The portable micro negative pressure nucleic acid sampling chamber of claim 7, wherein a plurality of ultraviolet germicidal lamps electrically connected to the power supply interface through wires are detachably installed in the tent for ultraviolet disinfection of the inside of the tent after sampling.

9. The portable micro negative pressure nucleic acid sampling chamber of claim 1, wherein the secondary purification device is a removable particulate air filter located away from the population to be sampled.

10. The portable micro negative pressure nucleic acid sampling chamber of claim 1, wherein a sealing ring is disposed between the connecting tube port and the exhaust port.