CN212008227U

CN212008227U - Multichannel atmospheric particulates concentration monitoring mechanism

Info

Publication number: CN212008227U
Application number: CN202020510382.3U
Authority: CN
Inventors: 李保生; 杜亚举; 汪宵; 张新
Original assignee: Hefei Ftun Optoelectronics Technology Co ltd
Current assignee: Hefei Ftun Optoelectronics Technology Co ltd
Priority date: 2020-04-09
Filing date: 2020-04-09
Publication date: 2020-11-24
Anticipated expiration: 2030-04-09

Abstract

The utility model discloses a multichannel atmospheric particulate concentration monitoring mechanism, which comprises a plurality of collecting channels, a plurality of air collecting channels and a plurality of air collecting channels, wherein the air collecting channels are communicated with the atmosphere; and the monitoring host is communicated with the plurality of acquisition channels and is used for monitoring the particulate matters in the plurality of acquisition channels respectively to acquire monitoring data. The utility model provides a monitoring mechanism function is abundant, can realize monitoring the same kind or multiple atmospheric particulates.

Description

Multichannel atmospheric particulates concentration monitoring mechanism

Technical Field

The utility model belongs to the technical field of the atmospheric particulates monitoring, in particular to multichannel atmospheric particulates concentration's monitoring mechanism.

Background

The concentration of various particulate matters floating in the atmosphere, such as soil particles, sea salt particles, combustion smoke and the like, not only have adverse effects on the atmospheric environment, but also can be deposited on the respiratory tract of a human body due to different diameters (such as PM2.5, PM10 and the like) and cause various diseases, for example, particles of PM2.5 can penetrate into the lung of the human body through the respiratory process to cause various diseases, so that the monitoring of the concentration of the particulate matters is necessary, particularly for different types of particles and particulate matters with different diameters.

The concentration of the main equipment monitoring particulate matter through the monitoring particulate matter on the existing market, however the check out test set function singleness on the market at present, once only can survey single particulate matter concentration, need make a round trip to change the test probe moreover, it is inconvenient that the installation is used, easily leads to the damage of equipment, in addition the testing process, gas loss volume is great, poor stability, and the test result error is also great moreover.

SUMMERY OF THE UTILITY MODEL

For solving the problem that exists among the prior art, the utility model provides a monitoring mechanism of multichannel atmospheric particulates concentration for solve among the prior art all kinds of defects in the monitoring mechanism of atmospheric particulates concentration.

The utility model discloses a realize by following technical scheme: a monitoring mechanism of multi-channel atmospheric particulate matter concentration comprises a plurality of collecting channels, a plurality of sampling channels and a monitoring module, wherein the collecting channels are communicated with the atmosphere and respectively collect particulate matters in the atmosphere; the monitoring host computer, the intercommunication a plurality of collection passageways to it is right particulate matter in a plurality of collection passageways monitors respectively, acquires monitoring data, wherein, the monitoring host computer includes: a box body; a plurality of air intake devices disposed within the case; the driving device is arranged in the box body and is connected with the plurality of air inlet devices; the sealing device is arranged in the box body and comprises a separation assembly; the paper tape conveying device and the plurality of air inlet devices form a plurality of detection air paths; the flow control devices are respectively connected with the detection gas paths; and the plurality of detection devices are respectively connected with the plurality of air inlet devices.

In a specific embodiment, the plurality of acquisition channels includes a first acquisition channel and a second acquisition channel, and the first acquisition channel and the second acquisition channel are arranged in parallel.

In a specific embodiment, the plurality of acquisition channels are selected from any one of tubular, frustoconical, and helical acquisition channels.

In a specific embodiment, the diameter of the first acquisition channel is 1-5 cm.

In a specific embodiment, the separation element is a type I separation element.

In a specific embodiment, the separation element is an S-shaped separation element.

In a specific embodiment, the sealing device comprises a first sealing unit arranged in the driving device; the second sealing unit is arranged in the detection device; wherein the first sealing unit is an O-ring and the separation assembly is arranged in the O-ring.

In a specific embodiment, at least one of the plurality of air intake devices includes an air intake pipe, a fixed portion and a moving portion, and a first air passage in the fixed portion corresponds to a second air passage in the moving portion.

In a specific embodiment, the diameter of the air inlet pipe is 1-5 cm.

In a specific embodiment, at least one of the plurality of detection devices comprises a beta ray detection device.

The utility model discloses in, through add the monitoring passageway on the monitoring mechanism at atmospheric particulates concentration, realize monitoring simultaneously to multiple particulate matter in the atmosphere, perhaps realize carrying out the monitoring aassessment many times to same particulate matter and improve the accuracy. In addition, according to the monitoring mechanism for the concentration of the atmospheric particulates, a plurality of independent sealing cavities are formed at the position of the detection cavity through the sealing rings, so that the gas loss is reduced, the measurement error is correspondingly reduced, the stability is good, and the repeated replacement of parts of equipment is avoided. The utility model discloses a monitoring mechanism of multichannel atmospheric particulates concentration, simple structure is compact, convenient to carry. Other features, benefits and advantages will be apparent from the disclosure including the description and claims detailed herein.

Drawings

FIG. 1: the utility model discloses a perspective view of monitoring mechanism in an embodiment.

FIG. 2: fig. 1 is a side view of a monitoring mechanism in cross section.

FIG. 3: fig. 1 is a front view of the monitoring mechanism.

FIG. 4: fig. 1 is a front view of the monitoring mechanism.

FIG. 5: fig. 1 is a side view of a monitoring mechanism.

FIG. 6: the structure of one embodiment of the sealing device of the monitoring mechanism is schematic.

FIG. 7: the sealing device of the monitoring mechanism has another embodiment with a schematic structure.

FIG. 8: the sealing device of the monitoring mechanism is in use and has a schematic structural diagram.

Detailed Description

The following description of the embodiments of the present invention is provided for illustrative purposes, and other advantages and effects of the present invention will be readily apparent to those skilled in the art from the disclosure herein. The present invention can also be implemented or applied through other different specific embodiments, and various details in the present specification can be modified or changed based on different viewpoints and applications without departing from the spirit of the present invention.

It should be noted that the drawings provided in the present embodiment are only for illustrating the basic idea of the invention in a schematic manner, and only the components related to the invention are shown in the drawings rather than being drawn according to the number, shape and size of the components in actual implementation, and the form, quantity and proportion of the components in actual implementation may be changed at will, and the layout of the components may be more complicated. It should be noted that the drawings provided in the present embodiment are only for illustrating the basic idea of the present invention, and the components related to the present invention are only shown in the drawings rather than drawn according to the number, shape and size of the components in actual implementation, and the type, quantity and proportion of the components in actual implementation may be changed arbitrarily, and the layout of the components may be more complicated and more attention may be paid. Unless otherwise specified, the terms "first" and "second," when appearing in the present disclosure, are used for descriptive and differentiating purposes only and are not to be construed as indicating or implying relative importance.

Referring to fig. 1 to 8, the present invention provides an embodiment of a mechanism for monitoring atmospheric particulate matter concentration. The utility model discloses a monitoring mechanism of atmospheric particulates concentration for the suspended particles concentration that contains in the detection air, the suspended particles for example be PM2.5 atmospheric particulates, PM7.5 atmospheric particulates, PM10 atmospheric particulates to and TSP suspended particulates, can also discern the detection according to the kind of particulate matter.

Specifically, referring to fig. 1 and 2, the monitoring mechanism for the concentration of atmospheric particulates includes: a plurality of acquisition channels 100 and a monitoring host 200. One ends of the plurality of collecting channels 100 are communicated with the atmosphere to collect the particulate matters in the atmosphere respectively, the other ends of the plurality of collecting channels 100 are communicated with the monitoring host 200, and the monitoring host 200 monitors the particulate matters in the plurality of collecting channels 100 respectively to acquire corresponding monitoring data.

Referring to fig. 1, the plurality of collecting channels 100 include, for example, two, three, and four collecting channels, but certainly not limited thereto, in some embodiments of the present invention, for example, two, first collecting channels 101 and second collecting channels 102, and the first collecting channels 101 and the second collecting channels 102 respectively collect, for example, the same particulate matter, such as PM2.5, so as to perform multiple evaluations on the collected and monitored particulate matter concentration, thereby improving the accuracy of detection.

Referring to fig. 1, one end of the first collecting channel 101 and one end of the second collecting channel 102 are connected to the atmosphere, and the other end is connected to the monitoring host 200. The shape and material of the first collecting channel 101 and the second collecting channel 102 are not particularly limited, such as a tubular, spiral, truncated cone with gradually changing diameter, a curved arc material, further such as a glass material, for collecting and conveying the atmospheric particulates into the monitoring host 100, and further, the first collecting channel 101 and the second collecting channel 102 are externally sleeved with, for example, a stainless steel member to protect the collecting channels 101, 102.

Referring to fig. 1, the top ends of the first collecting channel 101 and the second collecting channel 102 may be provided with cutting heads (not shown), and the concentration of the atmospheric particulate matters with different grain sizes can be tested by changing the types of the cutting heads (such as TSP, PM10, PM7.5, PM2.5, etc.) during the actual use process.

Referring to fig. 1 to 7, the monitoring host 200 includes: the device comprises a box body 210, a first air inlet device 220, a second air inlet device 230, a driving device 240, a sealing device 250, a paper tape conveying device 260, a first flow control device (not shown), a second flow control device (not shown), a first detection device 270 and a second detection device 280.

Referring to fig. 2, in some embodiments, the top end of the box 210 is opened with

openings

211 and 212 communicating the first collecting channel 101 and the second collecting channel 102. The material and shape of the case 210 are not particularly limited, and may be, for example, a case having a certain strength and rigidity for accommodating the driving device and the detecting device, and specifically, may be, for example, a steel cast case, a steel plate welded case, or a plastic case. In order to facilitate the installation and disassembly of the devices, the box body 210 may be formed of detachable plates, and the plates are spliced by bolts, fasteners, and the like. The monitoring mechanism for the concentration of the atmospheric particulates provided by the utility model is a small-sized assembly machine, which is convenient for carrying and transportation, and the size of the box body 210 has a length of 50-80cm, such as 50cm and 65 cm; a width of 50-80cm, e.g., 50cm, 55 cm; a height of 50-80cm, e.g. 50cm, 65 cm. A transparent plate 213 is provided on one side of the case 210 opposite to the tape feeding device, so as to facilitate observation of real time conditions in the case 210 and replacement of the tape.

Referring to fig. 2 and 3, in some embodiments, the first air intake device 220 includes an air intake pipe 221, a fixed portion 222, and a moving portion 223. The air inlet pipe 221 is connected to the opening 211 and further communicated with the first collecting channel 101, and the shape of the air inlet pipe 221 corresponds to the shape of the first collecting channel 101, for example, the shape is cylindrical, spiral, or a circular truncated cone shape with gradually changing caliber or a curved arc shape. The fixed portion 223 is connected to the air inlet pipe 221, the fixed portion 222 is provided with a first air path 222a, and the moving portion 223 is provided with a second air path 223 a. The first collecting channel 101, the air inlet pipe 221, the first air path 222a and the second air path 223a are communicated to form the first detecting air path, and particles in the atmosphere are adsorbed to a paper tape in the paper tape conveying device through the following driving device to perform monitoring operation.

Referring next to fig. 3, in some embodiments, the diameters of the first collecting channel 101, the air inlet pipe 221, the first air path 222a, and the second air path 223a are, for example, 1-5cm, and further, they have, for example, the same diameter or different diameters with respect to each other, for example, their diameters are 4cm, 3cm, 2 cm; the diameter of the first collecting channel 101 is, for example, 2cm, the diameter of the air inlet pipe 221 is 2cm, the diameter of the first air passage 222a is 3cm, and the diameter of the first air passage 222a is 3 cm; the diameter of the first collecting channel 101 is, for example, 3cm, the diameter of the air inlet pipe 221 is 2cm, the diameter of the first air passage 222a is 1cm, and the diameter of the first air passage 222a is 1 cm; therefore, the flow speed and the stability of the atmospheric particulates in the first detection gas circuit are changed, and the monitoring effect is improved.

Referring to fig. 3, in some embodiments, the first air path 222a and the second air path 223a are in the same vertical direction, and the second air path 223a receives and conveys the atmospheric particulates from the first air path 222a, but is not limited thereto, and the first air path 222a and the second air path 223a are not in the same vertical direction, so as to reduce the impact force on the paper tape in the paper tape conveying device by changing the flow path of the atmospheric particulates in the first detection air path. Make the movement track of the tiny particle thing in the gas of inhaling from the external world have the radian for the bending, the large granule is because the effect of gravity moves down, and on the other hand enables the large granule like this and the tiny particle separates better to in measurement process, the gas loss volume reduces, and measuring error also can reduce greatly.

Referring to fig. 2, the second air inlet device 230 has the same structure as the first air inlet device 220, for example, in an embodiment, the second air inlet device 230 includes a second air inlet tube, and a third air channel and a fourth air channel formed in the same fixed portion 222 and the moving portion 223, and the second air inlet tube, the third air channel, and the fourth air channel are communicated to form the second detection air channel. Of course, the second air intake device 230 may be implemented in other manners, and any air intake assembly that adsorbs the particles in the atmosphere to the paper tape in the paper tape conveying device should be covered by the claimed invention. Here, for example only, more intake devices, for example, two, three, four, etc., may be provided as necessary.

Referring to fig. 2 and 5, the driving device 240 is connected to the

air inlet devices

220 and 230, and more specifically, to the fixed portion 222 and the moving portion 223, and the driving device 240 includes: the eccentric shaft 242 has one end connected to the rotating shaft of the first motor 241 and the other end connected to the fixing portion 222, and the fixing portion 222 is in transmission connection with the moving portion 223, for example, a driving shaft is arranged on the fixing portion 222 and is in transmission connection with a driven shaft on the moving portion 223 through a coupling to drive the moving portion 223 to move up and down.

Referring to fig. 5, a fixing plate 213 is disposed in the housing 210 to divide the housing 210 into an outer unit and an inner unit, so as to facilitate installation and fixing of the components in the noise reduction apparatus. The first motor 241 is located at one side of the fixed plate 213, i.e., an inner unit, such as the

air intake devices

220 and 230, and located at the other side of the fixed plate 213, i.e., an outer unit, and the eccentric shaft penetrates the fixed plate 213 to be connected to the fixing portion 222. Further, a plurality of brackets are mounted on the fixing plate 213 for supporting the first motor, the eccentric shaft, the fixing portion 222 and the moving portion 223.

Referring to fig. 2 to 3 and 6 to 8, the sealing device 250 is located in the box 210, and the sealing device 250 includes a partition component 251 to partition the plurality of collecting channels, so as to form a plurality of independently communicated detecting air paths. In one embodiment, the sealing device 250 includes a first sealing unit 252 having a partition member 251, a second sealing unit (not shown).

Referring to fig. 2, the first sealing unit 252 is located at the first air inlet device 220, specifically, between the fixed portion 222 and the moving portion 223 of the first air inlet device 220, in the process that the moving portion 223 moves downward, the moving portion 223 is away from the fixed portion 222, an air opening of the moving portion 223 contacts the paper tape, the first sealing unit 252 expands and seals to seal the second air path 223a, i.e., an upper chamber, and the first detection air paths are communicated; in the process that the moving part 223 moves upwards, the moving part 223 approaches the fixed part 222, the air port is far away from the paper tape, the first detection air path is disconnected, and the first sealing unit 252 is compressed. The second sealing unit is positioned at the lower end of the detection device, so that a lower cavity is sealed.

The first sealing unit 252 and the second sealing unit are for example identical or different O-rings, for example foamed O-rings, for example having a diameter of 5mm to 20 mm. It should be understood that the first sealing unit 252 and the second sealing unit include, but are not limited to, O-rings, and any sealing device capable of forming a connected air path during the measurement of the atmospheric particulate concentration by the driving device is also intended to be covered by the present invention.

Referring to fig. 6 to 8, a partition component 251 is disposed on the first sealing unit 252 to separate the first detection gas path and the second detection gas path independently, so as to perform an independent monitoring operation.

Referring next to fig. 6 and 7, in some embodiments, the separating element 251 is, for example, an I-shaped separating element, while in another embodiment, the separating element 251 is, for example, an S-shaped separating element, so as to improve the flowability of the atmospheric particulates in the chamber. Of course, the present invention is not limited thereto, and may include any other desired configuration.

Referring to fig. 3 to 5, the tape feeding device 260 contacts and separates from the

air inlet devices

220 and 230 to form an air path for detection by a detection device as described below. The tape feeding device 260 includes: a first tape reel 261, a second tape reel 262, a second motor 263, a support wheel 264 and a paper tape (not shown). The second reel 262 is in driving connection with the first reel 261, for example, by a rotating shaft, and the second reel 262 and the first reel 261 are used for supporting the paper tape. Specifically, the second reel is mounted on the fixing plate 213 through a rotating shaft, and freely rotates on the fixing plate 213, and the first rotating shaft of the first reel 261 is in transmission connection with the second rotating shaft of the second reel 262 through a paper tape. The second motor 263 is connected to the first tape reel 261. The supporting wheel 264 is located on the same side as the second reel 262 and at the same height as the moving portion 223, so as to ensure that the tape is not deformed by gravity during the feeding or collecting process, and the tape is smoothly guided into the moving portion 223. The paper web is connected to the first tape reel 261 via the second tape reel 262, a support wheel 264 and a detection device 270. The second motor 263 controls the first tape reel 261 to collect and wind the paper tape from the second tape reel 262, i.e., to move the paper tape between the air port of the moving part 223 and the detecting device 270.

Referring to fig. 5, in an embodiment of the present disclosure, the second motor 262 is located at one side of the fixing plate 213, i.e., the inner unit, the paper tape, the first tape reel 261 and the second tape reel 262 are located at the other side of the fixing plate 213, i.e., the outer unit, and the rotating shaft of the first tape reel 261 penetrates through the fixing plate 213 to be connected to the second motor 262. It should be noted that the paper tape is used, for example, in the range of 50 to 100g/m²A glass fiber membrane or a quartz membrane in the range for enriching the particles from the atmosphere and providing a direct test object for the detection device as described below.

Referring to fig. 5, it should be noted that the first motor 241 and the second motor 262 are not particularly limited, and for example, claw pole motors may be adopted, and the rotation steps of the first motor 241 and the second motor 263 are controlled by a first photoelectric switch and a second photoelectric switch (not shown in the figure) respectively arranged in the box 210.

First flow control device, second flow control device connect respectively first detection gas circuit and second detect the gas circuit, specifically speaking, flow control device includes air pump (not shown in the figure) and fixes flow valve, flow sensor (not shown in the figure), flowmeter (not shown in the figure) at the air pump air inlet, and the air pump is external near the equipment of making an uproar falls, and the flow valve is located in the inboard unit of the fixed plate 213 of box 210 to through the valve pipe with gas outlet intercommunication on the box 210, and then connect first detection gas circuit, bleed the system through the air pump. The utility model provides a monitoring mechanism of monitoring atmospheric particulates concentration, flow control device carries out intermittent type nature to the gas circuit that comes from whole system and bleeds, when monitoring the operation, forms measurement cycle, for example when the air pump does not bleed, the particulate matter does not flow, and when the air pump bled, atmospheric particulates was according to predetermined flow, for example 1-10L/min, to the direction of paper tape flows, the atmospheric particulates load is in the paper tape surface, gas is through air pump discharge system. During monitoring operation of the concentration of atmospheric particulates, in a measurement period, the blank paper tape is fixed, the air pump is closed, the air pump does not pump air, and the detection device detects the blank paper tape to obtain a first monitored concentration; the motion portion 223 downstream, the gas port contact blank paper tape, and the warp a plurality of detection gas circuits that sealing device seals formation intercommunication, the air pump starts, and the air pump is bled, comes from the intercommunication atmospheric particulates enrichment in the gas circuit of a plurality of collection passageways is in on the blank paper tape, after the air pump is closed, the gas port leaves blank paper tape, detection device detects the paper tape that adsorbs atmospheric particulates, acquires the second and monitors concentration, acquires through predetermined ratio relation the concentration of atmospheric particulates. It should be understood that a specific example of a flow control device is illustrated, but not limited thereto, and a plurality of flow control devices, for example, two, three, four, etc., may be provided and connected to the plurality of detection gas paths of the plurality of gas inlet devices, respectively.

Referring to fig. 2, the detecting device includes, for example, a first detecting device 270 and a second detecting device 280, wherein the first detecting device 270 includes: a radiation source 271, a receiving measurement unit 272 and a data processing unit. The radiation source 271 is disposed inside the moving part 223 and connected to the second air path 223a of the moving part 223, and the radiation source 271 is, for example, a beta-ray radiation source. The receiving and measuring unit 272 and the radiation source 271 are arranged opposite to each other, and a paper tape is placed between the receiving and measuring unit 272 and the radiation source 271 for detection. The data processing unit is connected to the receiving measuring unit 272 to obtain the detection data. The radiation source 271 and the receiving and measuring unit 272 which is arranged opposite to the radiation source, the data processing unit comprises a collector, a processor, a memory, a circuit control system and a display, the input end of the collector is connected with the output end of the receiving and measuring unit 272, the electric signal of the receiving and measuring unit 272 is collected, the output end of the collector is connected with the input end of the processor, and the processed measuring data is stored in the first memory through the output end of the processor; the memory is connected with the display and displays the measuring result.

Referring to fig. 2, in an embodiment, the radiation source 271 is, for example, a ring and is in the same vertical direction as the air inlet device, for example, the air inlet pipe 221, the first air path 222a, the second air path 223a and the radiation source 271 are in the same vertical direction, so that when particles in the atmosphere are inhaled, the air directly hits the paper tape, thereby further reducing the air loss. The second detection device 280 may have the same structure as the first detection device 270, for example, but is not limited thereto.

Referring to fig. 1, the monitoring mechanism for atmospheric particulate matter concentration further includes a dynamic heating system, the dynamic heating system includes dynamic heaters (not shown in the figure) fixed on the collecting channels 101 and 102, and is used for monitoring the air temperature and humidity in the collecting channels 101 and 102, the air temperature and humidity data detected by the dynamic heaters are transmitted to the detecting device, and the detecting device controls the detecting device to perform heating operation, such as controlling the dynamic heaters to start, close, and adjust heating power.

Referring to fig. 1 to 8, during the monitoring operation of the atmospheric particulate concentration, the second motor 262 starts to rotate, the second reel 262 rotates along with the rotation of the first reel 261, the blank paper tape on the second reel 262 is driven to move forward, and in a measurement period, the blank paper tape is fixed, and data of the blank paper tape is detected by the detection devices 270 and 280; then the first motor 241 starts to rotate, the moving part 203 of the air intake device 220, 230 moves downwards, the air port of the moving part 223 contacts the blank paper tape, and is sealed by the sealing device 250 to form a first detection air path and a second detection air path which are communicated, then the blank paper tape adsorbs the atmospheric particulates from the paper tape communicated with the first collecting channel 101 and the second collecting channel 102 under the control of the first flow control device and the second flow control device, the first motor 241 rotates again, the moving part 223 of the air intake device 220, 230 moves upwards, the air port of the moving part 223 leaves the paper tape adsorbed with the atmospheric particulates, the first detection air path and the second detection air path are disconnected, and the detection device 270, 280 detects to obtain the concentration of the atmospheric particulates, at this time, after one measurement period is over, the second motor 263 rotates again, the attracted tape continues to advance, wrapping around the first reel 261, bringing the next length of blank tape on the second reel 262 forward and into the next measurement cycle.

The utility model discloses an add the monitoring passageway on the monitoring mechanism of atmospheric particulates concentration, realize monitoring simultaneously multiple particulate matter in the atmosphere, perhaps realize carrying out the monitoring aassessment many times to same particulate matter and improve the accuracy. In addition, according to the monitoring mechanism for the concentration of the atmospheric particulates, a plurality of independent sealing cavities are formed at the position of the detection cavity through the sealing rings, so that the gas loss is reduced, the measurement error is correspondingly reduced, the stability is good, and the repeated replacement of parts of equipment is avoided.

The above description is only a preferred embodiment of the present application and a description of the applied technical principle, and it should be understood by those skilled in the art that the scope of the present invention related to the present application is not limited to the technical solution of the specific combination of the above technical features, and also covers other technical solutions formed by any combination of the above technical features or their equivalent features without departing from the inventive concept, for example, the technical solutions formed by mutually replacing the above features with (but not limited to) technical features having similar functions disclosed in the present application. Other technical features than those described in the specification are known to those skilled in the art, and are not described herein in detail in order to highlight the innovative features of the present invention.

Claims

1. A multichannel atmospheric particulate concentration monitoring mechanism is characterized by comprising a monitoring mechanism body,

the plurality of collecting channels are communicated with the atmosphere and respectively collect the particulate matters in the atmosphere;

the monitoring host computer, the intercommunication a plurality of collection passageways to it is right particulate matter in a plurality of collection passageways monitors respectively, acquires monitoring data, wherein, the monitoring host computer includes:

a box body;

a plurality of air intake devices disposed within the case;

the driving device is arranged in the box body and is connected with the plurality of air inlet devices;

the sealing device is arranged in the box body and comprises a separation assembly;

the paper tape conveying device and the plurality of air inlet devices form a plurality of detection air paths;

the flow control devices are respectively connected with the detection gas paths;

and the plurality of detection devices are respectively connected with the plurality of air inlet devices.

2. The multi-channel atmospheric particulate concentration monitoring mechanism of claim 1, wherein the plurality of collection channels includes a first collection channel and a second collection channel, the first collection channel and the second collection channel being arranged in parallel.

3. The mechanism for monitoring the concentration of atmospheric particulates of claim 1 or 2, wherein the plurality of collecting channels are selected from collecting channels in any one of a tubular shape, a circular truncated cone shape and a spiral shape.

4. The mechanism of claim 2, wherein the diameter of the first collection channel is 1-5 cm.

5. The multi-channel atmospheric particulate concentration monitoring mechanism of claim 1, wherein the partition assembly is a type I partition assembly.

6. The multi-channel atmospheric particulate concentration monitoring mechanism of claim 1, wherein the partition assembly is an S-shaped partition assembly.

7. The multi-channel atmospheric particulate concentration monitoring mechanism of claim 1, wherein the sealing device comprises,

a first sealing unit disposed in the driving device;

the second sealing unit is arranged in the detection device;

wherein the first sealing unit is an O-ring and the separation assembly is arranged in the O-ring.

8. The mechanism of claim 1, wherein at least one of the plurality of air inlet devices comprises an air inlet pipe, a fixed portion and a moving portion, and a first air passage in the fixed portion corresponds to a second air passage in the moving portion.

9. The multi-channel atmospheric particulate concentration monitoring mechanism of claim 8, wherein the diameter of the air inlet pipe is 1-5 cm.

10. The multi-channel atmospheric particulate concentration monitoring mechanism of claim 1, wherein at least one of the plurality of detection devices comprises a beta ray detection device.