CN218766224U

CN218766224U - Particulate matter detects and sampling device

Info

Publication number: CN218766224U
Application number: CN202223177172.5U
Authority: CN
Inventors: 王志祥; 郭晓阳; 范慷佳; 南晓强; 王东平
Original assignee: Shanxi Sino Environment Hongda Environmental Detection Technology Co ltd
Current assignee: Shanxi Sino Environment Hongda Environmental Detection Technology Co ltd
Priority date: 2022-11-29
Filing date: 2022-11-29
Publication date: 2023-03-28
Anticipated expiration: 2032-11-29

Abstract

The utility model discloses a particulate matter detecting and sampling device, wherein the top end of a fixed plate is fixedly connected with an upper shell, a sliding plate is slidably arranged in the fixed plate, and the bottom end of the sliding plate is fixedly connected with a lower shell; the sample storage cylinder is arranged between the upper shell and the lower shell; in the detection part, an upper sliding seat is slidably arranged in an upper shell, the top end of an installation rod is fixedly connected with the upper sliding seat, the bottom of the installation rod extends into the inner cavity of the sample storage cylinder, and a detection sensor is fixedly arranged at the bottom of the installation rod; in the sampling part, an air conveying port is fixedly connected with a lower shell and communicated with a sample storage cylinder, an air suction port is fixedly connected with the side wall of the lower shell, and an air suction pump is communicated with the air conveying port and the air suction port; the driving mechanism is arranged in the upper shell in a matching way and keeps linkage with the sliding plate and the upper sliding seat. The sampling component and the detection component are designed uniformly, so that field detection work is facilitated, a sensor for detection can be cleaned in real time to guarantee follow-up detection accuracy, and stable storage of a gas sample can be guaranteed during detection of the gas sample in a sample storage cylinder on site so as to be used for follow-up further detection work.

Description

Particulate matter detects and sampling device

Technical Field

The utility model relates to a gaseous quality detection technical field, specific particulate matter detects and sampling device that says so.

Background

When the suspended particles in atmospheric environment detects, need the staff to sample and detect atmosphere at specific detection point position, mainly include PM2.5 and PM10, traditional detection device is the separation design with sampling device, accomplish the back by sampling device sampling promptly, detect particulate matter wherein through detection device, this kind of structure leads to sampling measurement personnel to go out to carry multiple equipment when detecting, and portability ten minutes is poor. In addition, when the traditional detection device detects particles, the particles can pollute the detection probe of the related sensor, and if the detection probe is not cleaned, the subsequent monitoring data can be inaccurate. When the kind to gathering particulate matter among the atmospheric sample carries out the analysis, still need take the gas sample back to the laboratory, further detect through relevant instrument, consequently need guarantee the sealing performance of sampling device self.

SUMMERY OF THE UTILITY MODEL

To the above-mentioned weak point that exists among the prior art, the utility model provides a particulate matter detects and sampling device, with the unified design of sampling part and determine module enough make things convenient for field test work, can carry out real-time clearance to the sensor that detects the usefulness and guarantee follow-up detection accuracy, the scene is to storing up in the appearance section of thick bamboo gas appearance and examine time measuring can guarantee that gas appearance stable storage is in order to be used for follow-up further detection work.

The utility model discloses a realize that the technical scheme that above-mentioned purpose adopted is: a particulate matter detection and sampling device comprises a fixed plate, a sliding plate, a sample storage cylinder, a detection part, a sampling part and a driving mechanism, wherein the top end of the fixed plate is fixedly connected with an upper shell; the sample storage barrel is arranged between the upper shell and the lower shell, the detection part comprises an upper sliding seat, an installation rod and a detection sensor, the upper sliding seat is slidably installed in the upper shell, the top end of the installation rod is fixedly connected with the upper sliding seat, the bottom of the installation rod extends into the inner cavity of the sample storage barrel, and the detection sensor is fixedly installed at the bottom of the installation rod; the sampling part comprises an air pump, an air conveying port and an air pumping port, the air conveying port is fixedly connected to the top of the lower shell and communicated with the sample storage barrel, the air pumping port is fixedly connected to the side wall of the lower shell and communicated with the external environment, and the air pump is fixedly arranged in the lower shell and communicated with the air conveying port and the air pumping port; the driving mechanism is arranged in the upper shell in a matching way and keeps linkage with the sliding plate and the upper sliding seat.

In some of them implementation, in order to guarantee that the shell can be with the atmospheric sample input to storing up the appearance section of thick bamboo by the external collection down, can be to storing up the effective fixed of appearance bobbin base portion simultaneously, provide following relevant technical scheme.

The sample storage barrel is characterized in that a lower sealing cover is screwed at the bottom of the sample storage barrel, a mounting groove is formed in the center of the lower surface of the lower sealing cover, an insertion groove is formed in the center of the mounting groove, an insertion seat is slidably mounted in the mounting groove, an insertion rod slidably mounted in the insertion groove is fixedly connected to the center of the insertion seat, a supporting spring abutted against the insertion seat is arranged in the mounting groove, a first passage is formed in the insertion rod and the insertion seat, the upstream end of the first passage is arranged on the lower surface of the insertion seat, the downstream end of the first passage is arranged on the side wall of the insertion rod, a second passage is formed in the lower sealing cover, the upstream end of the second passage is arranged on the side wall of the insertion groove, and the downstream end of the second passage is arranged on the upper surface of the lower sealing cover; the top of the lower shell is fixedly connected with a lower positioning ring which is in nested clamping connection with a lower sealing cover, the air transmission port is arranged at the center of the lower positioning ring, and the air transmission port is in nested splicing connection with the upstream end of the first passage.

In some of them implementation, can effectively detect the atmosphere sample in the storage sample section of thick bamboo when guaranteeing that the detection sensor can stably install on the installation pole, conveniently clear up the detection sensor, guarantee the storage environment of detection sensor, provide following relevant technical scheme.

The utility model discloses a sensor, including installation pole, detection sensor, last shell bottom rigid coupling have arrange in installation pole outlying collar, and the collar rigid coupling has the clearance cotton of arranging with each detection sensor mutually to paste in the collar.

On above technical scheme basis, for guaranteeing that the shell can be effectively fixed to storage appearance section of thick bamboo top, guarantee simultaneously that the installation pole can effectively stretch into in the storage appearance section of thick bamboo and carry out the correlation detection to wherein atmospheric sample, provide following relevant technical scheme.

The top of the sample storage cylinder is screwed with an upper sealing cover, the center of the upper sealing cover is provided with an insertion port, the lower surface of the upper sealing cover is fixedly connected with a plurality of groups of guide posts which are vertically arranged and are arranged at the inner side of the sample storage cylinder, the bottom ends of the guide posts of each group are fixedly connected through a connecting seat, the insertion port is hermetically inserted with a sealing plug, the sealing plug is in sliding combination with the guide posts, the outer sides of the guide posts are provided with reset springs, and the two ends of each reset spring are respectively fixedly connected with the connecting seat and the sealing plug; the bottom of the mounting ring is fixedly connected with an upper positioning ring nested with the upper sealing cover, and the bottom end of the mounting rod is vertically arranged with the plug-in port and is abutted against the sealing plug.

In some of the implementations, in order to ensure that the sliding plate can slide stably in the fixed plate, and simultaneously ensure that the driving mechanism drives the sliding plate to operate stably, the following technical scheme is provided.

A sliding cavity is formed in the fixed plate, a lower sliding seat is fixedly connected to the top end of the sliding plate, and the lower sliding seat and the sliding plate are both slidably mounted in the sliding cavity; the driving mechanism comprises an upper screw rod, a lower screw rod and a driving motor, the upper screw rod is rotatably arranged in the upper shell and keeps screwed connection with the upper sliding seat, the lower screw rod is rotatably arranged in the sliding cavity and keeps screwed connection with the lower sliding seat, and the driving motor is fixedly arranged in the upper shell and is in power connection with the upper screw rod and the lower screw rod.

The utility model has the advantages that: the sampling component is arranged in the lower shell, the detection component is arranged in the upper shell, the sampling component and the detection component are driven by the driving mechanism to operate in a unified mode, collection and detection of atmospheric samples are completed, and the sampling component and the detection component are designed in a unified mode to be convenient for field detection. The installation rod with the detection sensor is peripherally matched with the installation ring and the cleaning cotton, the detection sensor can be automatically cleaned in the lifting motion process of the detection sensor driven by the installation rod, and the sensor for detection can be cleaned in real time to ensure the accuracy of follow-up detection. The upper sealing cover and the lower sealing cover which are arranged at the upper end and the lower end of the sample storage cylinder can ensure that a gas sample and an installation rod are stably introduced into the sample storage cylinder, the sample storage cylinder can keep a sealing state when being placed independently, and the gas sample can be stably stored for follow-up further detection work when being detected on site.

Drawings

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

FIG. 2 is a schematic structural view of the utility model after being cut;

FIG. 3 is an enlarged detail view of the portion A of FIG. 2;

FIG. 4 is a schematic structural view of the utility model at another viewing angle after being cut;

FIG. 5 is a schematic structural view of the portion B in FIG. 4;

FIG. 6 is a schematic structural view of the portion C in FIG. 4;

FIG. 7 is a schematic structural view of the portion D in FIG. 4;

FIG. 8 is a schematic structural view of the lower sealing cover after being cut;

fig. 9 is a schematic structural view of the upper sealing cover after being cut.

In the figure: the device comprises a fixing plate 1, a sliding plate 2, a sample storage barrel 3, an upper shell 4, a lower shell 5, an upper sliding seat 6, an installation rod 7, an air suction pump 8, an air delivery port 9, an air suction port 10, a communicating pipe 11, an electronic switch valve 12, a lower sealing cover 13, an installation groove 14, an insertion seat 15, an insertion rod 16, a support spring 17, a first passage 18, a second passage 19, a lower positioning ring 20, an installation hole 21, an installation ring 22, cleaning cotton 23, an upper sealing cover 24, an insertion port 25, a guide column 26, a connecting seat 27, a sealing plug 28, a return spring 29, an upper positioning ring 30, a sliding cavity 31, a lower sliding seat 32, an upper screw rod 33, a lower screw rod 34, a driving motor 35, a driving sprocket 36, a transmission gear 37, a driving gear 38, a touch display screen 39 and a storage battery 40.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Referring to fig. 1-5, a particulate matter detecting and sampling device includes a fixed plate 1, a sliding plate 2, a sample storage cylinder 3, a detecting component, a sampling component, and a driving mechanism, wherein the top end of the fixed plate 1 is fixedly connected with an upper housing 4, the sliding plate 2 is slidably mounted in the fixed plate 1, and the bottom end of the sliding plate 2 is fixedly connected with a lower housing 5 arranged below the fixed plate 1; the sample storage cylinder 3 is arranged between the upper shell 4 and the lower shell 5, the detection part comprises an upper sliding seat 6, an installation rod 7 and a detection sensor, the upper sliding seat 6 is slidably installed in the upper shell 4, the top end of the installation rod 7 is fixedly connected with the upper sliding seat 6, the bottom of the installation rod 7 extends into the inner cavity of the sample storage cylinder 3, and the detection sensor is fixedly installed at the bottom of the installation rod 7; the sampling part comprises an air suction pump 8, an air delivery port 9 and an air suction port 10, the air delivery port 9 is fixedly connected to the top of the lower shell 5 and communicated with the sample storage cylinder 3, the air suction port 10 is fixedly connected to the side wall of the lower shell 5 and communicated with the external environment, and the air suction pump 8 is fixedly arranged in the lower shell 5 and communicated with the air delivery port 9 and the air suction port 10; the driving mechanism is arranged in the upper shell 4 in a matching way and keeps linkage with the sliding plate 2 and the upper sliding seat 6.

For guaranteeing that aspiration pump 8 and gas transmission mouth 9, extraction opening 10 stably communicate, air inlet at aspiration pump 8, gas outlet department all is supporting communicating pipe 11, and communicating pipe 11 is linked together with gas transmission mouth 9, extraction opening 10 respectively, for guaranteeing that atmospheric sample can not leak along aspiration pump 8 in the sample storage section of thick bamboo 3 when aspiration pump 8 shuts down, supporting installation electronic switch valve 12 on communicating pipe 11, by the break-make of electronic switch valve 12 control communicating pipe 11, and then avoid storing up gas sample in the sample storage section of thick bamboo 3 and leak.

In some of these implementations, in order to ensure that the lower shell 5 can input the atmospheric sample collected from the outside into the sample storage cylinder 3, and can effectively fix the bottom of the sample storage cylinder 3, the following related technical solutions are provided.

The bottom of the sample storage barrel 3 is screwed with a lower sealing cover 13, the center of the lower surface of the lower sealing cover 13 is provided with a mounting groove 14, the center of the mounting groove 14 is provided with an insertion groove, an insertion seat 15 is slidably mounted in the mounting groove 14, the center of the insertion seat 15 is fixedly connected with an insertion rod 16 slidably mounted in the insertion groove, a support spring 17 abutted against the insertion seat 15 is arranged in the mounting groove 14, a first passage 18 is arranged in the insertion rod 16 and the insertion seat 15, the upstream end of the first passage 18 is arranged on the lower surface of the insertion seat 15, the downstream end of the first passage 18 is arranged on the side wall of the insertion rod 16, a second passage 19 is arranged in the lower sealing cover 13, the upstream end of the second passage 19 is arranged on the side wall of the insertion groove, and the downstream end of the second passage 19 is arranged on the upper surface of the lower sealing cover 13; the top of the lower shell 5 is fixedly connected with a lower positioning ring 20 which is nested and clamped with the lower sealing cover 13, the air transmission port 9 is arranged at the center of the lower positioning ring 20, and the air transmission port 9 is nested and inserted with the upstream end of the first passage 18.

Before the sampling, the lower sealing cover 13 at the bottom of the sample storage barrel 3 is nested and installed in the lower positioning ring 20, so that the plugging communication between the gas transmission port 9 and the first passage 18 is realized, the gas transmission port 9 can jack up the plugging seat 15 upwards (the supporting spring 17 is in a compression state at the moment), and then the plugging rod 16 is jacked into the plugging groove, so that the first passage 18 is communicated with the second passage 19, when the air suction pump 8 works, the external atmosphere can be input into the sample storage barrel 3 along the gas transmission port 9, the first passage 18 and the second passage 19, and the sample outlet function of the atmosphere sample is completed by the sample storage barrel 3.

When the sample storage barrel 3 is taken down integrally, the air transmission port 9 cancels the action effect of the plug socket 15, at the moment, the plug socket 15 and the plug rod 16 are driven to move downwards under the action of the supporting spring 17, so that the first passage 18 and the second passage 19 are disconnected, and in this state, an atmospheric sample stored in the sample storage barrel 3 cannot leak out through the first passage 18 and the second passage 19, so that the air tightness of the sample storage barrel 3 is ensured.

In some of them implementation, can effectively detect the atmosphere sample in the storage appearance section of thick bamboo 3 when guaranteeing that the detection sensor can stably install on installation pole 7, conveniently clear up the detection sensor, guarantee the storage environment of detection sensor, provide following relevant technical scheme.

The side wall of the bottom of the mounting rod 7 is provided with a plurality of groups of mounting holes 21 which are uniformly arranged, each group of mounting holes 21 is internally provided with a detection sensor, the bottom of the upper shell 4 is fixedly connected with a mounting ring 22 arranged on the periphery of the mounting rod 7, and the mounting ring 22 is internally fixedly connected with cleaning cotton 23 arranged with each detection sensor.

In the process of the up-and-down movement of the driving mechanism control installation rod 7 and the detection sensors thereon, the cleaning cotton 23 can clean the detection sensors, and when the control installation rod 7 is in a recovery state, each detection sensor is just in the cleaning cotton 23, so that each detection sensor can be effectively protected.

The detection sensors comprise an air pressure sensor, a PM2.5 sensor and a PM10 sensor, the air pressure value, the PM2.5 sensor and the PM10 sensor of the atmosphere sample in the sample storage cylinder 3 are respectively detected, the detection ends of the sensors are installed in the installation hole 21 of the installation rod 7, the installation rod 7 extends into the sample storage cylinder 3, each sensor can detect each corresponding index of the atmosphere sample in the sample storage cylinder 3, and the cleaning cotton 23 can clean and protect the detection end of each sensor.

On above technical scheme basis, for guaranteeing that shell 4 can be effectively fixed to storage appearance section of thick bamboo 3 top, guarantee simultaneously that installation pole 7 can effectively stretch into storage appearance section of thick bamboo 3 and carry out the correlation detection to wherein atmospheric sample, provide following relevant technical scheme.

An upper sealing cover 24 is screwed at the top of the sample storage cylinder 3, a plug-in port 25 is formed in the center of the upper sealing cover 24, a plurality of groups of guide columns 26 which are vertically arranged and are arranged on the inner side of the sample storage cylinder 3 are fixedly connected to the lower surface of the upper sealing cover 24, the bottom ends of the groups of guide columns 26 are fixedly connected through a connecting seat 27, a sealing plug 28 is hermetically plugged in the plug-in port 25, the sealing plug 28 and the guide columns 26 are combined in a sliding mode, a return spring 29 is arranged on the outer side of the guide columns 26, and two ends of the return spring 29 are fixedly connected with the connecting seat 27 and the sealing plug 28 respectively; an upper positioning ring 30 nested with the upper sealing cover 24 is fixedly connected to the bottom of the mounting ring 22, and the bottom end of the mounting rod 7 is vertically arranged with the insertion port 25 and is abutted against the sealing plug 28.

The upper positioning ring 30 is nested with the upper sealing cover 24 in a matching way, so that the stability of fixing the sample storage barrel 3 can be further improved. When the installation rod 7 stretches out downwards, the sealing plug 28 is driven to move downwards along the guide column 26 (at the moment, the return spring 29 is in a compression state), the installation rod 7 is stretched into the sample storage barrel 3 through the plug-in port 25, the installation rod 7 is connected with the plug-in port 25 in a sealing mode, the atmosphere sample can be prevented from leaking outside through the plug-in port 25, and the detection sensors stretching into the sample storage barrel 3 can effectively detect the air pressure and the particle concentration of the atmosphere sample.

When the mounting rod 7 is controlled to move upwards to extend out of the sample storage barrel 3 after detection is finished, the return spring 29 is reset and drives the sealing plug 28 to move upwards, so that the sealing plug 28 is inserted into the insertion port 25 in a sealing mode, the insertion port 25 is sealed, and the atmospheric sample is prevented from leaking.

The upper end and the lower end of the sample storage cylinder 3 are respectively and rotatably connected with an upper sealing cover 24 and a lower sealing cover 13, so that the sample storage cylinder 3 is convenient to disassemble and clean.

In some of the embodiments, in order to ensure that the sliding plate 2 can slide stably in the fixed plate 1, and at the same time ensure that the driving mechanism drives the fixed plate to operate stably, the following technical solutions are provided.

A sliding cavity 31 is arranged in the fixed plate 1, a lower sliding seat 32 is fixedly connected to the top end of the sliding plate 2, and the lower sliding seat 32 and the sliding plate 2 are both slidably arranged in the sliding cavity 31; the driving mechanism comprises an upper screw rod 33, a lower screw rod 34 and a driving motor 35, the upper screw rod 33 is rotatably installed in the upper shell 4 and keeps screwed connection with the upper sliding seat 6, the lower screw rod 34 is rotatably installed in the sliding cavity 31 and keeps screwed connection with the lower sliding seat 32, and the driving motor 35 is fixedly installed in the upper shell 4 and is in power connection with the upper screw rod 33 and the lower screw rod 34.

In order to ensure that the power of the driving motor 35 can be stably transmitted to the upper screw 33 and the lower screw 34, the bottom end of the upper screw 33 and the top end of the lower screw 34 are fixedly connected with transmission chain wheels 36 arranged in the upper shell 4, two groups of transmission chain wheels 36 realize chain transmission through chains, the bottom end of the upper screw 33 or the top end of the lower screw 34 is fixedly connected with a transmission gear 37, a rotating shaft of the driving motor 35 is fixedly connected with a driving gear 38, the driving gear 38 is meshed with the transmission gear 37, and in order to ensure that the driving motor 35 can stably transmit power while being stably installed in the upper shell 4, the driving gear 38 and the transmission gear 37 both adopt bevel gears.

When the driving motor 35 works and drives the upper screw rod 33 and the lower screw rod 34 to rotate, the lower screw rod 34 drives the sliding plate 2 and the lower shell 5 on the sliding plate to move upwards, the upper screw rod 33 drives the mounting rod 7 to move downwards, the sample storage barrel 3 fixed by the lower shell 5 and the upper and lower positioning rings 20 of the lower shell moves upwards and is fixed with the upper positioning ring 30 on the upper shell 4, the sample storage barrel 3 is effectively fixed at the time of moving downwards, and meanwhile, the mounting rod 7 and all detection sensors mounted on the mounting rod extend downwards into the sample storage barrel 3 so as to detect the gas sample in the sample storage barrel.

For the convenience to the operating condition stable control of driving motor 35, aspiration pump 8, there is touch-control display screen 39 at the lateral wall fixed mounting of last shell 4, goes up shell 4 internally mounted has battery 40, and battery 40 and driving motor 35, aspiration pump 8 electric connection are in order to supply power to it, and driving motor 35, aspiration pump 8's control module and touch-control display screen 39 signal connection control driving motor 35, aspiration pump 8's operating condition through operation touch-control display screen 39 control.

Meanwhile, each detection sensor is in signal connection with the touch display screen 39, and the touch display screen 39 displays corresponding data detected by each detection sensor.

The utility model discloses a particulate matter detects and sampling device is when using, at first with vacant and clean storage appearance section of thick bamboo 3 fixed with down on the shell 5 lower holding ring 20, start driving motor 35 work and drive sliding plate 2 and down the shell 5 while going upward, drive installation pole 7 and stretch into down in the storage appearance section of thick bamboo 3, when the last sealed lid 24 at storage appearance section of thick bamboo 3 top pegs graft and is positioned upper holding ring 30, control driving motor 35 shuts down.

Then, start aspiration pump 8 with external air suction to store up in the appearance section of thick bamboo 3, atmospheric pressure sensor detects the atmospheric pressure change in the appearance section of thick bamboo 3 of storing up simultaneously, when atmospheric pressure reaches the level of setting, control aspiration pump 8 closes, closes electronic switch valve 12 simultaneously to avoid the gas appearance to leak.

Finally, the gas sample in the sample storage cylinder 3 is detected by a PM2.5 sensor and a PM10 sensor.

After the detection is finished, the driving motor 35 is controlled to work reversely, so that the upper shell 4 and the lower shell 5 are far away from each other, the sample storage cylinder 3 is taken out, and the gas sample in the sample storage cylinder 3 can be used for further component analysis and other detection.

It is obvious to a person skilled in the art that the invention is not restricted to details of the above-described exemplary embodiments, but that it can be implemented in other specific forms without departing from the spirit or essential characteristics of the invention. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.

Furthermore, it should be understood that although the present specification describes embodiments, not every embodiment includes only a single embodiment, and such description is for clarity purposes only, and it is to be understood that all embodiments may be combined as appropriate by one of ordinary skill in the art to form other embodiments as will be apparent to those of skill in the art from the description herein.

Claims

1. The utility model provides a particulate matter detects and sampling device which characterized in that: the sampling device comprises a fixed plate (1), a sliding plate (2), a sample storage cylinder (3), a detection part, a sampling part and a driving mechanism, wherein the top end of the fixed plate (1) is fixedly connected with an upper shell (4), the sliding plate (2) is slidably arranged in the fixed plate (1), and the bottom end of the sliding plate (2) is fixedly connected with a lower shell (5) arranged below the fixed plate (1); the sample storage barrel (3) is arranged between the upper shell (4) and the lower shell (5), the detection part comprises an upper sliding seat (6), an installation rod (7) and a detection sensor, the upper sliding seat (6) is slidably installed in the upper shell (4), the top end of the installation rod (7) is fixedly connected with the upper sliding seat (6), the bottom of the installation rod (7) extends into the inner cavity of the sample storage barrel (3), and the detection sensor is fixedly installed at the bottom of the installation rod (7); the sampling part comprises an air suction pump (8), an air delivery port (9) and an air suction port (10), the air delivery port (9) is fixedly connected to the top of the lower shell (5) and communicated with the sample storage barrel (3), the air suction port (10) is fixedly connected to the side wall of the lower shell (5) and communicated with the external environment, and the air suction pump (8) is fixedly arranged in the lower shell (5) and communicated with the air delivery port (9) and the air suction port (10); the driving mechanism is arranged in the upper shell (4) in a matching way and keeps linkage with the sliding plate (2) and the upper sliding seat (6).

2. The particulate detection and sampling device of claim 1, wherein: the bottom of the sample storage barrel (3) is connected with a lower sealing cover (13) in a screwed mode, the center of the lower surface of the lower sealing cover (13) is provided with a mounting groove (14), the center of the mounting groove (14) is provided with a splicing groove, a splicing seat (15) is installed in the mounting groove (14) in a sliding mode, a splicing rod (16) installed in the splicing groove in a sliding mode is fixedly connected to the center of the splicing seat (15), a supporting spring (17) abutting against the splicing seat (15) is arranged in the mounting groove (14), a first passage (18) is formed in the splicing rod (16) and the splicing seat (15), the upstream end of the first passage (18) is arranged on the lower surface of the splicing seat (15), the downstream end of the first passage (18) is arranged on the side wall of the splicing rod (16), a second passage (19) is formed in the lower sealing cover (13), the upstream end of the second passage (19) is arranged on the side wall of the splicing groove, and the downstream end of the second passage (19) is arranged on the upper surface of the lower sealing cover (13); the top of the lower shell (5) is fixedly connected with a lower positioning ring (20) which is in nested clamping connection with a lower sealing cover (13), the air transmission port (9) is arranged at the center of the lower positioning ring (20), and the air transmission port (9) is nested and inserted with the upstream end of the first passage (18).

3. The particulate detection and sampling device of claim 1, wherein: the utility model discloses a sensor detection device, including installation pole (7), last shell (4) bottom rigid coupling has arranged in installation pole (7) outlying collar (22), and the rigid coupling has and pastes clearance cotton (23) of arranging with each detection sensor mutually that the multiunit evenly arranges on the lateral wall of installation pole (7) bottom all installs in each group mounting hole (21) detection sensor, go up shell (4) bottom rigid coupling.

4. The particulate detection and sampling device of claim 3, wherein: the top of the sample storage barrel (3) is connected with an upper sealing cover (24) in a screwed mode, a plug-in port (25) is formed in the center of the upper sealing cover (24), a plurality of groups of guide columns (26) which are vertically arranged and arranged on the inner side of the sample storage barrel (3) are fixedly connected to the lower surface of the upper sealing cover (24), the bottom ends of the guide columns (26) are fixedly connected through a connecting seat (27), a sealing plug (28) is connected to the plug-in port (25) in a sealed and plugged mode, the sealing plug (28) is combined with the guide columns (26) in a sliding mode, a reset spring (29) is arranged on the outer side of each guide column (26), and the two ends of each reset spring (29) are respectively fixedly connected with the connecting seat (27) and the sealing plug (28); an upper positioning ring (30) nested with the upper sealing cover (24) is fixedly connected to the bottom of the mounting ring (22), and the bottom end of the mounting rod (7) is vertically arranged with the plug interface (25) and abuts against the sealing plug (28).

5. The particulate detection and sampling device of claim 1, wherein: a sliding cavity (31) is formed in the fixed plate (1), a lower sliding seat (32) is fixedly connected to the top end of the sliding plate (2), and the lower sliding seat (32) and the sliding plate (2) are both slidably mounted in the sliding cavity (31); the driving mechanism comprises an upper screw rod (33), a lower screw rod (34) and a driving motor (35), the upper screw rod (33) is rotatably installed in the upper shell (4) and keeps screwed connection with the upper sliding seat (6), the lower screw rod (34) is rotatably installed in the sliding cavity (31) and keeps screwed connection with the lower sliding seat (32), and the driving motor (35) is fixedly installed in the upper shell (4) and is in power connection with the upper screw rod (33) and the lower screw rod (34).