CN216899763U

CN216899763U - Miniaturized large-traffic concentrated sampling equipment

Info

Publication number: CN216899763U
Application number: CN202122921538.4U
Authority: CN
Inventors: 徐军; 肖玲
Original assignee: Tianjin Chuangdun Intelligent Technology Co ltd
Current assignee: Tianjin Chuangdun Intelligent Technology Co ltd
Priority date: 2021-11-25
Filing date: 2021-11-25
Publication date: 2022-07-05
Anticipated expiration: 2031-11-25

Abstract

The utility model discloses a miniaturized large-flow concentration sampling device, which comprises a device box and a device cover, wherein the device box is erected on the ground, the device cover is arranged at the upper end of the device box, the interior of the device box is of a hollow structure, the device also comprises a sampling mechanism, a gas circuit mechanism, a liquid adding mechanism and an electric control mechanism, the sampling mechanism is arranged at one end of the device box, the gas circuit mechanism is arranged at one end of the device box corresponding to the sampling mechanism, the liquid adding mechanism is arranged at one end of the device box and is adjacent to the sampling mechanism, and the electric control mechanism is arranged at the upper end of the device cover. The electric control mechanism is arranged, so that long-time continuous sampling work of the equipment can be realized.

Description

Miniaturized large-traffic concentrated sampling equipment

Technical Field

The utility model relates to the technical field of microbial aerosol collectors, in particular to a miniaturized high-flow concentration and sampling device.

Background

In the prior art, the research on atmospheric particulates is mainly related to non-biological particles, the research on the formation and control of bioaerosol is relatively less, but bioaerosol not only can affect indoor and outdoor environments, and even can harm human health, so the monitoring research on bioaerosol becomes important, the monitoring research on bioaerosol firstly needs to be carried out on the bioaerosol, the aerosol acquisition modes commonly used at present comprise filtration type sampling, impact type sampling, liquid impact type sampling, electrostatic sampling and the like, no matter which mode is adopted for carrying out acquisition on microorganisms, the equipment does not have the function of automatically loading a sampling medium, only can be manually loaded on the sampling medium, the liquid adding precision is lower, the automation degree is low, the sampling efficiency is indirectly reduced, and the practicability is poor.

The application numbers are: 202020168402.3 discloses a wet wall cyclone type biological aerosol sampler, which comprises a cyclone chamber, wherein the cyclone chamber comprises an air inlet, a cyclone chamber wall and an air outlet from bottom to top in sequence; the wall of the cyclone chamber is provided with a sampling liquid, and the sampling liquid forms a liquid film and is configured to absorb particulate matters in contact with the wall of the cyclone chamber; the circulating liquid supply system comprises a monitoring system and a liquid feeding device, and is configured to monitor the dynamic liquid amount of the liquid film and supply sampling liquid to the wall of the cyclone chamber in real time; the collected liquid conveying system is connected with the cyclone chamber and used for extracting the sampling liquid enriched in the cyclone chamber and conveying the sampling liquid to a sampling pipe or a detection and analysis device; and the control system is simultaneously connected with the cyclone chamber, the circulating liquid supply system and the collected liquid conveying system and is used for controlling the normal operation and external communication of the cyclone chamber, the circulating liquid supply system and the collected liquid conveying system. However, the wet-wall cyclone type biological aerosol sampler is complex in structure, large in equipment size, inconvenient to carry, incapable of automatically loading sampling media, low in liquid adding precision, low in automation degree, indirectly reduced in sampling efficiency, incapable of achieving efficient large-flow air collection, incapable of guaranteeing the realization of a human-computer interaction function, and poor in practicability.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide a miniaturized high-flow concentration sampling device.

In order to achieve the purpose, the technical scheme provided by the utility model is as follows:

the utility model provides a miniaturized large-traffic concentrated sampling equipment, includes equipment box and equipment lid, the equipment box erects subaerial, the equipment lid sets up equipment box upper end, the equipment box is inside to be hollow structure, still including the sampling mechanism that is used for carrying out the microorganism aerosol collection, be used for making the gas circuit mechanism of negative pressure collection environment, be used for carrying out the automatic loaded liquid feeding mechanism of sampling medium and being used for the electrical control mechanism of controlgear work to the sampling mechanism, the sampling mechanism is located equipment box one end, gas circuit mechanism correspond the sampling mechanism and are located inside the equipment box, liquid feeding mechanism is located equipment box one end just sets up with the sampling mechanism is adjacent, electrical control mechanism is located equipment lid upper end.

The sampling mechanism comprises a sampling air inlet cover, a sampling cup and a sampling air outlet pipe, the sampling air inlet cover is arranged at one end of the joint of the equipment box and the equipment cover and is fixedly connected with the equipment box and the equipment cover, one side of the sampling air inlet cover is provided with a sampling air inlet, the sampling air inlet is positioned at the end part of the joint of the equipment box and the equipment cover, an air inlet passage is arranged in the sampling air inlet cover corresponding to the sampling air inlet around a disc and is communicated with the sampling air inlet, the inside of the sampling mechanism is communicated with the external environment through the sampling air inlet and the air inlet passage, the sampling cup is arranged at the bottom of the sampling air inlet cover and is in threaded connection with the sampling air inlet cover at the upper end, the sampling cup is communicated with the air inlet passage arranged in the sampling air inlet cover, the sampling air outlet pipe is arranged at the upper part of the sampling air inlet cover and is spliced with the sampling air inlet cover, the bottom of sampling outlet duct one end runs through the sampling inlet cover, the sampling outlet duct with the sampling inlet cover and the sampling cup intercommunication.

The inside upper portion of sampling cup is the cylinder, and its lower part is the back taper, the inside PBS solution that is equipped with of sampling cup, the sampling inlet cover and the sampling outlet duct all is located inside the equipment box, the sampling cup is located outside the equipment box.

Gas circuit mechanism includes gas circuit communicating pipe and gas circuit gas outlet, gas circuit communicating pipe sets up the one end intercommunication that the sampling inlet housing was kept away from to inside and its one end of equipment box and sampling outlet duct, the gas circuit gas outlet corresponds gas circuit communicating pipe sets up the equipment box keep away from the one end of sampling inlet housing and with equipment box fixed connection, the gas circuit gas outlet with the one end intercommunication that the sampling outlet duct was kept away from to gas circuit communicating pipe, the gas circuit gas outlet with the outside air supply intercommunication of equipment box.

Liquid feeding mechanism includes liquid feeding peristaltic pump, liquid feeding solenoid valve and bubble sensor, the liquid feeding peristaltic pump sets up the equipment box be equipped with the one end of sampling cup and its upper end with equipment box fixed connection, the liquid feeding peristaltic pump with sample the adjacent setting of cup and be located the equipment box is outside, the output of liquid feeding peristaltic pump is located inside the equipment box, the liquid feeding solenoid valve sets up the output of liquid feeding peristaltic pump and with liquid feeding peristaltic pump fixed connection, the liquid feeding solenoid valve admits air the cover and the sampling cup intercommunication through the liquid feeding pipe and sampling, the bubble sensor sets up the one side of keeping away from the liquid feeding solenoid valve at the sampling air inlet cover and with sampling air inlet cover fixed connection.

Electric control mechanism includes electric control unit and control panel, electric control unit sets up the equipment cover upper end keep away from one side of sampling mechanism and with equipment cover fixed connection, control panel sets up electric control unit upper portion one side and with electric control unit fixed connection, electric control unit and liquid feeding peristaltic pump, liquid feeding solenoid valve, bubble sensor and the equal electric connection of control panel.

Still include the battery, the battery corresponds the electrical unit sets up the inside one side bottom of keeping away from the sampling mechanism of equipment box and through the support with equipment box fixed connection, the battery with electrical unit electric connection.

Still include that the power is inserted and the communication is inserted by plane, the power is inserted and is corresponded by plane the battery sets up the equipment box keep away from the one end of sampling mechanism and with equipment box fixed connection, the power be inserted by plane with battery electric connection, the communication is inserted by plane and is corresponded electric control unit sets up the equipment box keep away from the one end of sampling mechanism and with equipment box fixed connection, the communication be inserted by plane with electric control unit electric connection, the power be inserted by plane with the communication is inserted by plane and is arranged at the interval, the equipment box corresponds the power be inserted by plane and the communication be inserted by plane and be equipped with the recess, the power be inserted by plane and the communication be inserted by plane through the recess with the equipment box is embedded setting.

The lifting handle is arranged on one side, far away from the electric control unit, of the upper end of the equipment cover and is fixedly connected with the equipment cover.

The equipment box is characterized by further comprising a plurality of supporting blocks, wherein the supporting blocks are arranged on the periphery of the bottom of the equipment box at intervals and fixedly connected with the equipment box, and the equipment box is erected on the ground through the supporting blocks.

The utility model has the beneficial effects that:

simple structure, equipment structure is compact, small, and convenient to carry, be equipped with sampling mechanism, can realize gathering a small amount of liquid medium with the aerosol particle in a large amount of ambient air, be favorable to follow-up bioaerosol qualitative, quantitative detection and analysis, be equipped with gas circuit mechanism, can realize the large-traffic air of efficient and gather, and the sampling flow is adjustable, and sampling efficiency is high, be equipped with liquid feeding mechanism, can carry out automatic loading to the sampling medium in the sampling mechanism, promote liquid feeding control accuracy, degree of automation is high, be equipped with electrical control mechanism, can realize the long-time continuous sampling work of equipment, guarantee the realization of human-computer interaction function, therefore, the clothes hanger is strong in practicability.

Drawings

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

FIG. 2 is a schematic view of the sampling mechanism of the present invention in cooperation with an equipment cabinet;

FIG. 3 is a side cross-sectional view of the sampling mechanism of the present invention;

FIG. 4 is a schematic view of the sampling mechanism of the present invention;

FIG. 5 is a diagram of an electrical connection of the present invention;

fig. 6 is a schematic diagram of the equipment box of the present invention cooperating with a power supply aerial socket and a communication aerial socket.

In the figure: 1. an equipment box; 2. an equipment cover; 3. sampling an air inlet hood; 4. a sampling cup; 5. sampling an air outlet pipe; 6. a gas circuit communicating pipe; 7. a gas path gas outlet; 8. a liquid feeding peristaltic pump; 9. a liquid adding electromagnetic valve; 10. a bubble sensor; 11. an electronic control unit; 12. a control panel; 13. a battery; 14. power supply aviation plug; 15. communication air plug; 16. a handle; 17. and (6) supporting the block.

Detailed Description

The utility model is described in further detail below with reference to the accompanying drawings,

a miniaturized large-flow concentration sampling device comprises a device box 1 and a device cover 2, wherein the device box 1 is erected on the ground, the device cover 2 is arranged at the upper end of the device box 1, the interior of the device box 1 is of a hollow structure, the device also comprises a sampling mechanism for collecting microbial aerosol, a gas circuit mechanism for manufacturing a negative pressure collecting environment for the sampling mechanism, a liquid adding mechanism for automatically loading a sampling medium for the sampling mechanism and an electric control mechanism for controlling the device to work, the sampling mechanism is positioned at one end of the device box 1, the gas circuit mechanism is positioned in the device box 1 corresponding to the sampling mechanism, the liquid adding mechanism is positioned at one end of the device box 1 and is adjacent to the sampling mechanism, and the electric control mechanism is positioned at the upper end of the device cover 2.

The sampling mechanism comprises a sampling air inlet cover 3, a sampling cup 4 and a sampling air outlet pipe 5, the sampling air inlet cover 3 is arranged at one end of the joint of the equipment box 1 and the equipment cover 2 and is fixedly connected with the equipment box 1 and the equipment cover 2, one side of the sampling air inlet cover 3 is provided with a sampling air inlet which is positioned at the end part of the joint of the equipment box 1 and the equipment cover 2, the inside of the sampling air inlet cover 3 is provided with an air inlet passage which surrounds the sampling air inlet correspondingly, the air inlet passage is communicated with the sampling air inlet, the inside of the sampling mechanism is communicated with the external environment by the sampling air inlet and the air inlet passage, the sampling cup 4 is arranged at the bottom of the sampling air inlet cover 3, the upper end of the sampling cup is in threaded connection with the sampling air inlet cover 3, the sampling cup 4 is communicated with the air inlet passage arranged inside the sampling air inlet cover 3, the sampling air outlet pipe 5 is arranged at the upper part of the sampling air inlet cover 3 and is spliced with the sampling air inlet cover 3, the bottom of one end of the sampling air outlet pipe 5 penetrates through the sampling air inlet cover 3, the sampling outlet pipe 5 is communicated with the sampling inlet cover 3 and the sampling cup 4, the sampling mechanism is matched with the sampling inlet cover 3, the sampling cup 4 and the sampling outlet pipe 5 to carry out cyclone sampling, more activity of microorganism particles can be ensured, and the splashing loss of sampling liquid can be reduced, wherein the sampling inlet cover 3 is used for providing mounting support for the sampling cup 4, the sampling cup 4 is used for sampling microorganism particles in the air, the sampling outlet pipe 5 is communicated with the gas circuit mechanism, a sampling gas inlet on the sampling inlet cover 3 is positioned on the side surface of the top of the sampling cup 4, a gas inlet passage is matched with the sampling gas inlet to be a tangential gas inlet, and gas flow is ensured to enter the sampling cup 4 along the tangential direction, and the schematic diagram of the matching of the sampling mechanism and the equipment box 1 is shown in fig. 2.

The upper part of the inner side of the sampling cup 4 is cylindrical, the lower part of the sampling cup is inverted cone-shaped, PBS solution is arranged in the sampling cup 4, the sampling air inlet hood 3 and the sampling air outlet pipe 5 are both positioned in the equipment box 1, the sampling cup 4 is positioned outside the equipment box 1, the cross section of the side surface of the sampling mechanism of the utility model is shown in figure 3, wherein, the upper part of the sampling cup 4 is designed to be cylindrical, the lower part is designed to be conical, ambient air enters the sampling cup 4 along the tangential inlet direction under the driving of the air circuit mechanism to form airflow rotating at high speed along the inner wall of the conical sampling cup 4, particles in the airflow have larger inertia than the gas, the liquid on the inner wall of the sampling cup 4 is impacted after being separated in the air flow, the separation and collection of the aerosol particles in the air are realized, the separation effect is good, the impact damage to the aerosol is small, the PBS solution is phosphate buffer solution and plays a role in dissolving and protecting the reagent, and the structural schematic diagram of the sampling mechanism is shown in FIG. 4.

The gas circuit mechanism comprises a gas circuit communicating pipe 6 and a gas circuit gas outlet 7, the gas circuit communicating pipe 6 is arranged inside the equipment box 1, one end of the gas circuit communicating pipe 6 is communicated with one end of the sampling gas outlet pipe 5 far away from the sampling gas inlet hood 3, the gas circuit gas outlet 7 is arranged at one end of the equipment box 1 far away from the sampling gas inlet hood 3 corresponding to the gas circuit communicating pipe 6 and is fixedly connected with the equipment box 1, the gas circuit gas outlet 7 is communicated with one end of the gas circuit communicating pipe 6 far away from the sampling gas outlet pipe 5, the gas circuit gas outlet 7 is communicated with an external gas source of the equipment box 1, the gas circuit mechanism is matched with the gas circuit gas outlet 7 through the gas circuit communicating pipe 6 to provide a negative pressure collecting environment for the sampling mechanism, wherein the gas circuit communicating pipe 6 is communicated with the sampling gas outlet pipe 5, the gas circuit gas outlet 7 is used for discharging air inside the sampling cup 4 so as to provide a negative pressure collecting environment for the sampling mechanism, and the external gas source can be a sampling fan or other equipment capable of producing a negative pressure environment, and can add the sampling fan in the inside of equipment, make the input and the output of sampling fan communicate with gas circuit communicating pipe 6 and gas circuit gas outlet 7 respectively, make the air supply arrange the inside of equipment box 1 in through built-in structure, need not to connect outside air supply under the unchangeable circumstances of assurance equipment volume and can realize making the function of negative pressure collection environment.

The liquid adding mechanism comprises a liquid adding peristaltic pump 8, a liquid adding electromagnetic valve 9 and a bubble sensor 10, the liquid adding peristaltic pump 8 is arranged at one end of the equipment box 1 provided with the sampling cup 4, the upper end of the liquid adding peristaltic pump is fixedly connected with the equipment box 1, the liquid adding peristaltic pump 8 is arranged adjacent to the sampling cup 4 and is positioned outside the equipment box 1, the output end of the liquid adding peristaltic pump 8 is positioned inside the equipment box 1, the liquid adding electromagnetic valve 9 is arranged at the output end of the liquid adding peristaltic pump 8 and is fixedly connected with the liquid adding peristaltic pump 8, the liquid adding electromagnetic valve 9 is communicated with the sampling air inlet cover 3 and the sampling cup 4 through a liquid adding pipe, the bubble sensor 10 is arranged at one side of the sampling air inlet cover 3 far away from the liquid adding electromagnetic valve 9 and is fixedly connected with the sampling air inlet cover 3, the liquid adding peristaltic pump 8 is communicated with a container filled with PBS solution, the liquid adding mechanism is matched with the liquid adding electromagnetic valve 9 and the bubble sensor 10 to automatically operate the sampling cup 4 through the liquid adding peristaltic pump 8, the liquid adding electromagnetic valve 9 and the bubble sensor 10, the liquid adding peristaltic pump 8 is used for adding the PBS solution in the container filled with the PBS solution into the sampling cup 4 through the liquid adding electromagnetic valve 9, the liquid adding electromagnetic valve 9 is used for controlling the on-off of a passage between the liquid adding peristaltic pump 8 and the sampling mechanism, and the bubble sensor 10 is used for detecting the content of liquid in the sampling cup 4, so that the liquid adding control precision is improved.

The electric control mechanism comprises an electric control unit 11 and a control panel 12, the electric control unit 11 is arranged on one side of the upper end of the equipment cover 2 far away from the sampling mechanism and is fixedly connected with the equipment cover 2, the control panel 12 is arranged on one side of the upper portion of the electric control unit 11 and is fixedly connected with the electric control unit 11, the electric control unit 11 is electrically connected with the liquid adding peristaltic pump 8, the liquid adding electromagnetic valve 9, the bubble sensor 10 and the control panel 12, the electric control mechanism controls the equipment through the cooperation of the electric control unit 11 and the control panel 12, and man-machine interaction is achieved, wherein the electric control unit 11 is used for controlling the equipment, and the control panel 12 is used for controlling the electric control unit 11.

Still include battery 13, battery 13 corresponds the electric control unit 11 and sets up the one side bottom of keeping away from the sampling mechanism in equipment box 1 inside and through support and equipment box 1 fixed connection, battery 13 and electric control unit 11 electric connection, wherein, battery 13 is chargeable lithium ion battery 13, provides the inside module work power of equipment when not connecing the external adapter, satisfies the indoor, outdoor operation requirement of equipment, can adopt large capacity battery 13 module to support the continuous long-time sampling work of equipment.

The device also comprises a power supply aviation plug 14 and a communication aviation plug 15, wherein the power supply aviation plug 14 is arranged at one end of the equipment box 1 far away from the sampling mechanism and is fixedly connected with the equipment box 1 corresponding to the battery 13, the power supply aviation plug 14 is electrically connected with the battery 13, the communication aviation plug 15 is arranged at one end of the equipment box 1 far away from the sampling mechanism and is fixedly connected with the equipment box 1 corresponding to the electric control unit 11, the communication aviation plug 15 is electrically connected with the electric control unit 11, the power supply aviation plug 14 and the communication aviation plug 15 are arranged in parallel at intervals, the equipment box 1 is provided with grooves corresponding to the power supply aviation plug 14 and the communication aviation plug 15, the power supply aviation plug 14 and the communication aviation plug 15 are arranged in the equipment box 1 in an embedded manner through the grooves, the power supply aviation plug 14 is used for connecting the battery 13 with an external power supply, the communication aviation plug is used for connecting the electronic control unit 11 with an external device in a communication way, and a schematic matching diagram of the equipment box 1, the power supply aviation plug 14 and the communication aviation plug 15 is shown in fig. 6.

The portable lifting device further comprises a lifting handle 16, wherein the lifting handle 16 is arranged on one side, far away from the electronic control unit 11, of the upper end of the equipment cover 2 and is fixedly connected with the equipment cover 2, the equipment can be lifted through the lifting handle 16, and the portable use requirements of the equipment are met.

Still include supporting shoe 17, supporting shoe 17 has a plurality of, and a plurality of supporting shoe 17 interval sets up at 1 bottom week side of equipment box and with equipment box 1 fixed connection, and equipment box 1 erects subaerial through supporting shoe 17, and wherein, supporting shoe 17 is used for providing the erection bracing for equipment box 1.

Wherein, can set up temperature and humidity sensor in equipment box 1 inside to the monitoring environment humiture.

Wherein, can add or subtract the setting to supporting shoe 17 according to the user demand.

The working principle is as follows:

sampling liquid can be manually added into the sampling cup 4 before sampling begins, liquid adding operation can also be carried out by clicking a button on a screen, whether liquid in the sampling cup 4 reaches the default sample amount or not is detected by adopting the bubble sensor 10, the start button can be clicked to carry out sampling operation after the liquid adding is completed, a negative pressure collection environment is manufactured for the sampling mechanism by the air circuit mechanism, the sampling liquid and spiral vortex gas are utilized to act, a water film is formed on the inner wall of the sampling cup 4, aerosol particles entering the sampling mechanism from the outside and moving along the vortex of the cavity wall transversely cross the flow line and collide with the water film, the aerosol particles with different particle diameters have different momentum, the particles with target particle diameters are retained in the sampling liquid, and sample liquid capable of being directly detected is generated.

The utility model has the advantages of simple structure, compact equipment structure, small volume, portability, high practicability and high automation degree, is provided with the sampling mechanism, can realize the collection of aerosol particles in a large amount of ambient air into a small amount of liquid medium, is favorable for qualitative and quantitative detection and analysis of subsequent biological aerosol, can realize high-efficiency and large-flow air collection, has adjustable sampling flow and high sampling efficiency, is provided with the liquid adding mechanism, can automatically load the sampling medium in the sampling mechanism, improves the liquid adding control precision, is high in automation degree, is provided with the electric control mechanism, can realize long-time continuous sampling work of the equipment, and ensures the realization of a human-computer interaction function.

While one embodiment of the present invention has been described in detail, the present invention is only a preferred embodiment of the present invention and should not be construed as limiting the scope of the present invention. All equivalent changes and modifications made within the scope of the present invention shall fall within the scope of the present invention.

Claims

1. A miniaturized large-flow concentration sampling device comprises a device box (1) and a device cover (2), the equipment box (1) is erected on the ground, the equipment cover (2) is arranged at the upper end of the equipment box (1), the inside of the equipment box (1) is of a hollow structure, its characterized in that still including the sampling mechanism that is used for carrying out the microorganism aerosol collection, be used for making the gas circuit mechanism of negative pressure collection environment, be used for carrying out the liquid feeding mechanism of sampling medium automatic loading and be used for the electrical system control mechanism of controlgear work to the sampling mechanism, the sampling mechanism is located equipment box (1) one end, gas circuit mechanism correspond the sampling mechanism and are located inside equipment box (1), liquid feeding mechanism is located equipment box (1) one end and with the adjacent setting of sampling mechanism, electrical system control mechanism is located equipment lid (2) upper end.

2. The miniaturized high-flow concentrated sampling device according to claim 1, wherein the sampling mechanism comprises a sampling air inlet cover (3), a sampling cup (4) and a sampling air outlet pipe (5), the sampling air inlet cover (3) is arranged at one end of the connection part of the device box (1) and the device cover (2) and is fixedly connected with the device box (1) and the device cover (2), one side of the sampling air inlet cover (3) is provided with a sampling air inlet which is positioned at the end part of the connection part of the device box (1) and the device cover (2), an air inlet passage is arranged in the sampling air inlet cover (3) and surrounds the sampling air inlet, the air inlet passage is communicated with the sampling air inlet, the sampling air inlet and the air inlet passage communicate the inside of the sampling mechanism with the external environment, the sampling cup (4) is arranged at the bottom of the sampling air inlet cover (3) and the upper end of the sampling cup is in threaded connection with the sampling air inlet cover (3), sample cup (4) with the inside admission passage intercommunication that sets up of sampling air inlet cover (3), sampling outlet duct (5) set up sampling air inlet cover (3) upper portion and with sampling air inlet cover (3) are pegged graft, the bottom of sampling outlet duct (5) one end is run through sampling air inlet cover (3), sampling outlet duct (5) with sampling air inlet cover (3) and sample cup (4) intercommunication.

3. A miniaturized high-flow concentrated sampling device according to claim 2, wherein the upper part of the inner side of the sampling cup (4) is cylindrical, the lower part of the sampling cup is inverted conical, the sampling cup (4) is internally provided with PBS solution, the sampling gas inlet cover (3) and the sampling gas outlet pipe (5) are both positioned inside the device box (1), and the sampling cup (4) is positioned outside the device box (1).

4. The miniaturized high-flow concentration sampling device according to claim 1, wherein the gas circuit mechanism comprises a gas circuit communicating pipe (6) and a gas circuit gas outlet (7), the gas circuit communicating pipe (6) is arranged inside the device box (1) and one end of the gas circuit communicating pipe is communicated with one end of the sampling gas outlet pipe (5) far away from the sampling gas inlet cover (3), the gas circuit gas outlet (7) is arranged at one end of the device box (1) far away from the sampling gas inlet cover (3) and fixedly connected with the device box (1) corresponding to the gas circuit communicating pipe (6), the gas circuit gas outlet (7) is communicated with one end of the gas circuit communicating pipe (6) far away from the sampling gas outlet pipe (5), and the gas circuit gas outlet (7) is communicated with a gas source outside the device box (1).

5. The small-sized high-flow concentrated sampling equipment according to claim 1, wherein the liquid feeding mechanism comprises a liquid feeding peristaltic pump (8), a liquid feeding electromagnetic valve (9) and a bubble sensor (10), the liquid feeding peristaltic pump (8) is arranged at one end of the equipment box (1) provided with the sampling cup (4), the upper end of the liquid feeding peristaltic pump is fixedly connected with the equipment box (1), the liquid feeding peristaltic pump (8) is arranged adjacent to the sampling cup (4) and is positioned outside the equipment box (1), the output end of the liquid feeding peristaltic pump (8) is positioned inside the equipment box (1), the liquid feeding electromagnetic valve (9) is arranged at the output end of the liquid feeding peristaltic pump (8) and is fixedly connected with the liquid feeding peristaltic pump (8), the liquid feeding electromagnetic valve (9) is communicated with the sampling air inlet hood (3) and the sampling cup (4) through a liquid feeding pipe, the bubble sensor (10) is arranged on one side of the sampling air inlet cover (3) far away from the liquid feeding electromagnetic valve (9) and is fixedly connected with the sampling air inlet cover (3).

6. The miniaturized high-flow concentration and sampling equipment of claim 1, wherein the electric control mechanism comprises an electric control unit (11) and a control panel (12), the electric control unit (11) is arranged on one side of the upper end of the equipment cover (2) far away from the sampling mechanism and is fixedly connected with the equipment cover (2), the control panel (12) is arranged on one side of the upper portion of the electric control unit (11) and is fixedly connected with the electric control unit (11), and the electric control unit (11) is electrically connected with the liquid adding peristaltic pump (8), the liquid adding electromagnetic valve (9), the bubble sensor (10) and the control panel (12).

7. The miniaturized high-flow concentrated sampling device according to claim 6, further comprising a battery (13), wherein the battery (13) is disposed at the bottom of one side of the interior of the device box (1) far away from the sampling mechanism corresponding to the electronic control unit (11) and is fixedly connected with the device box (1) through a bracket, and the battery (13) is electrically connected with the electronic control unit (11).

8. The small-sized high-flow concentrated sampling device according to claim 7, further comprising a power supply aerial plug (14) and a communication aerial plug (15), wherein the power supply aerial plug (14) is disposed at one end of the device box (1) far away from the sampling mechanism corresponding to the battery (13) and is fixedly connected with the device box (1), the power supply aerial plug (14) is electrically connected with the battery (13), the communication aerial plug (15) is disposed at one end of the device box (1) far away from the sampling mechanism corresponding to the electric control unit (11) and is fixedly connected with the device box (1), the communication aerial plug (15) is electrically connected with the electric control unit (11), the power supply aerial plug (14) and the communication aerial plug (15) are disposed in parallel at an interval, the device box (1) is provided with a groove corresponding to the power supply aerial plug (14) and the communication aerial plug (15), the power supply aerial plug (14) and the communication aerial plug (15) are arranged in an embedded mode with the equipment box (1) through grooves.

9. A small-sized high-flow concentrated sampling device according to claim 1, further comprising a handle (16), wherein the handle (16) is disposed on the side of the upper end of the device cover (2) far away from the electronic control unit (11) and is fixedly connected with the device cover (2).

10. The miniaturized high-flow concentrated sampling device according to claim 1, further comprising a plurality of supporting blocks (17), wherein the supporting blocks (17) are arranged at intervals on the periphery of the bottom of the device box (1) and fixedly connected with the device box (1), and the device box (1) is erected on the ground through the supporting blocks (17).