CN211954883U

CN211954883U - Atmospheric particulate matter sampler

Info

Publication number: CN211954883U
Application number: CN201922501548.5U
Authority: CN
Inventors: 陈英; 龚霞; 汪谦; 胡蝶; 游思南; 黄燕丽; 江美丽; 舒丽丽
Original assignee: Hubei Jieyuan Detection Co ltd
Current assignee: Hubei Jieyuan Detection Co ltd
Priority date: 2019-12-31
Filing date: 2019-12-31
Publication date: 2020-11-17
Anticipated expiration: 2029-12-31

Abstract

The utility model relates to an environment detection technology field just discloses an atmospheric particulates sample thief, including the sample thief shell, sample thief shell bottom is provided with the support, the sample thief shell is connected with the rotate bracket, the support bottom is provided with the supporting leg, sample thief shell top is provided with the air inlet, the air inlet top is provided with sealed lid, the inside suction fan that is provided with of sample thief shell, the fixed leg of suction fan bottom both sides fixedly connected with. The utility model discloses a when starting the suction fan, the suction fan operation produces the vibration to extrude the clamp plate, make clamp plate extrusion spring remove inside the mount, thereby play absorbing purpose, guaranteed the stability and the accuracy nature of sampling, also improved the life of device, fall the cotton of making an uproar through setting up, make the cotton noise that produces when absorbing the suction fan operation of making an uproar, thereby reach the little purpose of device during operation noise, improved operational environment's travelling comfort.

Description

Atmospheric particulate matter sampler

Technical Field

The utility model relates to an environment detection technology field specifically is an atmospheric particulates sample thief.

Background

With the development of industrial economy, the atmospheric pollution in cities is more serious, so the environmental pollution becomes one of the major problems of general attention all over the world, the absorbable particles in the atmosphere are suspended in the air for a long time, and the absorbable particles can directly enter the respiratory tract of a human body, and excessive inhalation can cause respiratory tract diseases, so the absorbable particles are extremely harmful to human beings, and the atmospheric particle sampler is an instrument or a device for collecting atmospheric pollutants or polluted atmosphere. The atmosphere sample thief kind is many, can divide into gas (including vapour) sample thief and particulate matter sample thief two kinds according to gathering the object, can divide into environment sample thief, indoor sample thief and pollution source sample thief according to the use place, but the fan vibrates easily during sampling of most atmosphere particulate matter sample thief to cause the sample thief vibrations, to a great extent has influenced collection stability and accuracy, and the live time is long afterwards, leads to the damage of device easily, so we have proposed an atmosphere particulate matter sample thief.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide an atmospheric particulates sample thief reaches and carries out absorbing purpose to the fan in the sample thief.

In order to achieve the above object, the utility model provides a following technical scheme: an atmospheric particulate sampler comprises a sampler shell, wherein a support is arranged at the bottom of the sampler shell, the sampler shell is rotatably connected with the support, supporting legs are arranged at the bottom of the support, an air inlet is arranged at the top of the sampler shell, a sealing cover is arranged at the top of the air inlet, a suction fan is arranged in the sampler shell, fixing legs are fixedly connected with two sides of the bottom of the suction fan, a fixing frame is fixedly connected with the bottom of the inner wall of the sampler shell, the two fixing legs penetrate through the fixing frame and extend into the fixing frame, a pressing plate is arranged in the fixing frame, one ends of the two fixing legs, which are far away from the suction fan, are respectively fixedly connected with the pressing plate, a spring is arranged at the bottom of the pressing plate, a partition plate is arranged at the top of the suction, fall the cotton top of making an uproar and the contact of baffle bottom, sample thief shell right side lower extreme is provided with the gas vent, the gas vent runs through the sample thief shell and falls the cotton of making an uproar and extend to inside the sample thief shell, the gas vent is kept away from the cotton one end of making an uproar and is provided with the check valve, baffle both sides top all is provided with the L template, two the both ends that the L template kept away from each other are equallyd divide do not with sample thief shell inner wall fixed connection, the inside sampling frame that is provided with of sample thief shell, the inside fixedly connected with desicator of sample.

Preferably, the number of the supporting legs is three, and the three supporting legs are uniformly obliquely positioned at the bottom of the support.

Preferably, the fixing frame is hollow and the bottom of the fixing frame is provided with an opening.

Preferably, the shape and size of the pressure plate are matched with the shape and size of the fixing frame.

Preferably, the number of the springs is three, the bottoms of the three springs are fixedly connected with the shell of the sampler respectively, and the tops of the three springs are fixedly connected with the bottom of the pressing plate respectively.

Preferably, the partition board is fixedly connected with the inner wall of the shell of the sampler, a through hole is formed in the partition board, and the diameter of the through hole is greater than the length of the suction fan.

Preferably, the sampling frame is provided with a sealing gasket penetrating through the shell part of the sampler, two ends of the sampling frame are respectively contacted with the two L-shaped plates, and the width of the sampling frame is matched with that of the shell of the sampler.

Preferably, the outer side of the sampling frame is fixedly connected with a pull ring.

The utility model provides an atmospheric particulates sample thief. The method has the following beneficial effects:

(1) the utility model discloses a when starting the suction fan, the suction fan operation produces the vibration to extrude the clamp plate, make clamp plate extrusion spring remove inside the mount, thereby play absorbing purpose, guaranteed the stability and the accuracy nature of sampling, also improved the life of device, fall the cotton of making an uproar through setting up, make the cotton noise that produces when absorbing the suction fan operation of making an uproar, thereby reach the little purpose of device during operation noise, improved operational environment's travelling comfort.

(2) The utility model discloses a set up sampling frame and pull ring, make the sampling frame take out the sampling frame that can make things convenient for quick and carry out the analysis after sampling atmospheric particulates, can sample the atmospheric particulates of equidimension not in the atmosphere through the sampling frame of changing different apertures moreover to it is higher to make the device practicality.

Drawings

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

fig. 2 is a front view of the present invention;

fig. 3 is an enlarged schematic view of the present invention a.

In the figure: the device comprises a sampler shell 1, a bracket 2, support legs 3, an air inlet 4, a sealing cover 5, a suction fan 6, a fixing leg 7, a fixing frame 8, a pressing plate 9, a spring 10, noise reduction cotton 11, an air outlet 12, a check valve 13, a partition plate 14, a template 15L, a sampling frame 16, a pull ring 17 and a dryer 18.

Detailed Description

As shown in fig. 1-3, the utility model provides a technical solution: an atmospheric particulate sampler comprises a sampler shell 1, wherein a support frame 2 is arranged at the bottom of the sampler shell 1, the sampler shell 1 is rotatably connected with the support frame 2, supporting legs 3 are arranged at the bottom of the support frame 2, the supporting legs 3 fix the inside of the sampler shell 1, three and three supporting legs 3 are uniformly arranged at the bottom of the support frame 2 in an inclined manner, an air inlet 4 is arranged at the top of the sampler shell 1, a sealing cover 5 is arranged at the top of the air inlet 4, the sealing cover 5 can prevent dust from entering the sampler shell 1 when the sampler is not in use and can protect the inside of the sampler shell 1, a suction fan 6 is arranged inside the sampler shell 1, two sides of the bottom of the suction fan 6 are fixedly connected with fixed legs 7, a fixed frame 8 is fixedly connected with the bottom of the inner wall of the sampler shell 1, two fixing legs 7 penetrate through a fixing frame 8 and extend into the fixing frame 8, a pressing plate 9 is arranged in the fixing frame 8, the shape and size of the pressing plate 9 are matched with those of the fixing frame 8, one ends of the two fixing legs 7, far away from a suction fan 6, are respectively and fixedly connected with the pressing plate 9, springs 10 are arranged at the bottom of the pressing plate 9, the number of the springs 10 is three, the bottoms of the three springs 10 are respectively and fixedly connected with a sampler shell 1, when the suction fan 6 is started, the suction fan 6 vibrates during operation to press the pressing plate 9, the pressing plate 9 presses the springs 10 to move in the fixing frame 8, so that the purpose of shock absorption is achieved, the stability and the accuracy of sampling are ensured, the service life of the device is also prolonged, and by arranging noise reduction cotton 11, the noise reduction cotton 11 absorbs noise generated during the operation of the suction fan 6, so that the purpose of small, the comfort of the working environment is improved, the tops of the three springs 10 are respectively fixedly connected with the bottom of the pressing plate 9, the top of the suction fan 6 is provided with a partition plate 14, the partition plate 14 is fixedly connected with the inner wall of the sampler shell 1, the inside of the partition plate 14 is provided with a through hole, the diameter of the through hole is greater than the length of the suction fan 6, the inside of the sampler shell 1 is provided with noise reducing cotton 11, the noise reducing cotton 11 is fixedly connected with the inner wall of the sampler shell 1, the top of the noise reducing cotton 11 is contacted with the bottom of the partition plate 14, the right lower end of the sampler shell 1 is provided with an exhaust port 12, the exhaust port 12 penetrates through the sampler shell 1 and the noise reducing cotton 11 and extends into the sampler shell 1, one end of the exhaust port 12, which is far away from the noise reducing cotton 11, is provided with a one-way valve 13, the two ends of the two L-shaped plates 15 which are far away from each other are respectively fixedly connected with the inner wall of the sampler shell 1, a sampling frame 16 is arranged inside the sampler shell 1, a pull ring 17 is fixedly connected to the outer side of the sampling frame 16, the sampling frame 16 can be quickly taken out through the pull ring 17, the sampling frame 16 can be conveniently and quickly taken out for analysis after sampling atmospheric particulates by arranging the sampling frame 16 and the pull ring 17, and the atmospheric particulates with different sizes in the atmosphere can be sampled by replacing the sampling frames 16 with different apertures, so that the device has higher practicability, the part of the sampling frame 16 penetrating through the sampler shell 1 is provided with a sealing gasket which can prevent the sucked air from escaping from a gap, thereby influencing the sampling effect, the two ends of the sampling frame 16 are respectively contacted with the two L-shaped plates 15, the width of the sampling frame 16 is matched with the width of the sampler shell 1, the dryer 18 is fixedly connected inside the sampler shell 1, the dryer 18 dries the sucked air, so that the particulate matters in the air are better absorbed by the sampling rack 16, and the dryer 18 is positioned above the sampling rack 16.

When using, through opening sealed lid 5, start suction fan 6, make suction fan 6 rotate and drive the air and get into sample thief shell 1 from air inlet 4 inside, the air is through sampling frame 16, make sampling frame 16 gather atmospheric particulates, then the air is discharged from gas vent 12 along the inside through-hole of baffle 14, suction fan 6 is carrying out the during operation, suction fan 6 shakes extrusion clamp plate 9, make clamp plate 9 extrusion spring 10 move inside mount 8, thereby play the absorbing purpose, fall cotton 11 of making an uproar through setting up, absorb the noise that suction fan 6 produced when moving.

To sum up can, the utility model discloses a when starting suction fan 6, suction fan 6 operation produces the vibration, thereby extrude clamp plate 9, make clamp plate 9 extrusion spring 10 remove inside mount 8, thereby play absorbing purpose, the stability and the accuracy nature of sampling have been guaranteed, the life of device has also been improved, cotton 11 of making an uproar falls through setting up, make and fall the noise that cotton 11 of making an uproar absorbed suction fan 6 during operation and produced, thereby reach the little purpose of device during operation noise, operational environment's travelling comfort has been improved, through setting up sampling frame 16 and pull ring 17, make sampling frame 16 after sampling the atmospheric particulates thing, can make things convenient for quick taking out sampling frame 16 and carry out the analysis, and can be through the sampling frame 16 who changes different apertures, the atmosphere of equidimension in the atmosphere is sampled, thereby make the device practicality higher.

Claims

1. An atmospheric particulates sample thief, includes sample thief shell (1), its characterized in that: the bottom of the sampler shell (1) is provided with a support (2), the sampler shell (1) is rotatably connected with the support (2), the bottom of the support (2) is provided with supporting legs (3), the top of the sampler shell (1) is provided with an air inlet (4), the top of the air inlet (4) is provided with a sealing cover (5), the sampler shell (1) is internally provided with a suction fan (6), two sides of the bottom of the suction fan (6) are fixedly connected with fixed legs (7), the bottom of the inner wall of the sampler shell (1) is fixedly connected with a fixed frame (8), two fixed legs (7) both penetrate through the fixed frame (8) and extend into the fixed frame (8), a pressing plate (9) is arranged inside the fixed frame (8), and one ends of the two fixed legs (7) far away from the suction fan (6) are respectively and fixedly connected with the pressing, the noise reduction sampler is characterized in that a spring (10) is arranged at the bottom of the pressing plate (9), a partition plate (14) is arranged at the top of the suction fan (6), noise reduction cotton (11) is arranged inside the sampler shell (1), the noise reduction cotton (11) is fixedly connected with the inner wall of the sampler shell (1), the top of the noise reduction cotton (11) is in contact with the bottom of the partition plate (14), an exhaust port (12) is arranged at the lower right end of the sampler shell (1), the exhaust port (12) penetrates through the sampler shell (1) and the noise reduction cotton (11) and extends into the sampler shell (1), one end, away from the noise reduction cotton (11), of the exhaust port (12) is provided with a check valve (13), L-shaped plates (15) are arranged at the tops of two sides of the partition plate (14), two mutually-far-away ends of the L-shaped plates (15) are uniformly distributed and fixedly connected with the, the sampler is characterized in that a dryer (18) is fixedly connected inside the sampler shell (1), and the dryer (18) is positioned above the sampling frame (16).

2. The atmospheric particulate sampler of claim 1, wherein: the number of the supporting legs (3) is three, and the three supporting legs (3) are uniformly inclined at the bottom of the support (2).

3. The atmospheric particulate sampler of claim 1, wherein: the fixing frame (8) is hollow and the bottom of the fixing frame (8) is provided with an opening.

4. The atmospheric particulate sampler of claim 1, wherein: the shape and the size of the pressure plate (9) are matched with those of the fixing frame (8).

5. The atmospheric particulate sampler of claim 1, wherein: the number of the springs (10) is three, the bottoms of the springs (10) are fixedly connected with the sampler shell (1), and the tops of the springs (10) are fixedly connected with the bottoms of the pressing plates (9).

6. The atmospheric particulate sampler of claim 1, wherein: the inner wall of the clapboard (14) is fixedly connected with the inner wall of the sampler shell (1), a through hole is formed in the clapboard (14), and the diameter of the through hole is greater than the length of the suction fan (6).

7. The atmospheric particulate sampler of claim 1, wherein: the sampler shell (1) is run through in sampling frame (16) part and is provided with sealed the pad, sampling frame (16) both ends are equallyd divide and are do not contacted with two L templates (15), the width of sampling frame (16) and the width looks adaptation of sampler shell (1).

8. The atmospheric particulate sampler of claim 1, wherein: and the outer side of the sampling frame (16) is fixedly connected with a pull ring (17).