CN-224216379-U - Air sampling device capable of filtering particulate matters

CN224216379UCN 224216379 UCN224216379 UCN 224216379UCN-224216379-U

Abstract

The utility model discloses an air sampling device capable of filtering particulate matters, which comprises a collecting box, wherein a filtering mechanism is arranged in the collecting box, a impurity removing device is arranged in the collecting box, the impurity removing device comprises a containing cylinder, a piston, a first electric valve, a first air outlet pipe and a second air outlet pipe, wherein the containing cylinder is provided with two containing cylinders which are fixedly connected to the inner wall of the collecting box, the piston is inserted into the inner wall of the containing cylinder, one end of the first electric valve is arranged on the outer wall of the containing cylinder, and the first air outlet pipe is communicated with the other end of the first electric valve. The utility model relates to the technical field of air collection of filterable particles, wherein when outside air is collected, a collection box is firstly placed outdoors, then an air inlet part and a cleaning unit are closed, the first electric valve is opened, a person manually pushes the piston to the other side of the containing cylinder, and in the pushing process, the air in the containing cylinder can be discharged outside through a first air outlet pipe, and then the first electric valve is closed.

Inventors

YU ZHENBO
WANG LIZHI
LIU WEI
ZHAO RUI
ZHANG JINGWEN
JIA LINLIN
CHEN XIAOHUI
QI FU
HAN LEI

Assignees

黑龙江省环境科学研究院

Dates

Publication Date: 20260508
Application Date: 20241231

Claims (6)

1. The air sampling device capable of filtering particulate matters comprises a collection box (1) and is characterized in that a filtering mechanism (3) is arranged in the collection box (1), a impurity removing device (2) is arranged in the collection box (1), and the impurity removing device (2) comprises: two accommodating cylinders (21) are arranged and are fixedly connected to the inner wall of the collection box (1); The piston (22) is inserted into the inner wall of the accommodating cylinder (21), and one end of the piston extends to the outside of the collecting box (1); A first electrically operated valve (23), one end of which is mounted on the outer wall of the accommodating cylinder (21); The first air outlet pipe (24) is communicated with the other end of the first electric valve (23) and extends out of the collection box (1); An air inlet portion (25) provided on the outer side of the accommodating tube (21); a cleaning unit (26) provided outside the air intake section (25); Wherein, through promoting piston (22), will hold inside impurity air of section of thick bamboo (21) and carry out the exocoel through first electric valve (23) and first outlet duct (24), air inlet (25) take out the outside air to hold inside section of thick bamboo (21), clear up unit (26) will air inlet (25) inside impurity air and clear up.
2. An air sampling device capable of filtering particulate matter according to claim 1, wherein said air inlet portion (25) comprises: The second electric valves (251) are arranged, and one ends of the second electric valves are respectively arranged on one sides of the outer walls of the two accommodating cylinders (21); two ends of the two-way pipe (252) are respectively communicated with the other ends of the two second electric valves (251); The output end of the air pump (253) is communicated with one side of the bidirectional pipe (252) and is fixedly connected with the inner wall of the collection box (1); wherein the second electrically operated valve (251) is opened, and the air pump (253) pumps outside air to the accommodating cylinder (21) through the bi-directional pipe (252).
3. An air sampling device capable of filtering particulate matter according to claim 2, wherein said cleaning unit (26) comprises: one end of the third electric valve (261) is arranged at one side of the outer wall of the bidirectional pipe (252) far away from the air pump (253); The second air outlet pipe (262) is communicated with the other end of the third electric valve (261) and extends to the outside of the collection box (1); The first electric valve (23) and the second electric valve (251) are closed, the third electric valve (261) is opened, and the air pump (253) and the second air outlet pipe (262) are used for discharging the impurity air in the air inlet part (25) outwards.
4. An air sampling device capable of filtering particulate matter according to claim 3, wherein said filtering means (3) comprises: The filter box (31) is communicated with the input end of the air pump (253); the clamping piece (32) is fixedly connected to the inner wall of the filter box (31); The filter plate (33) is in sliding clamping connection with the inner wall of the clamping piece (32); A filter cotton (34) attached to the inner wall of the filter plate (33); The stop block (35) is rotationally connected to the inner wall of the filter plate (33) through a pin shaft and is attached to the surface of the filter cotton (34); Wherein, rose box (31) are installed fastener (32), through fastener (32) and filter plate (33) joint relation, are convenient for right filter plate (33) are dismantled, through filter cotton (34) are filtered particulate matter in the air, dog (35) are restricted filter cotton (34).
5. The particulate matter filterable air sampling device according to claim 1, wherein the back of the collection box (1) is provided with an adjusting part (4), the adjusting part (4) comprises: the base (41) is arranged below the collection box (1); the straight cylinder (42) is fixedly connected to the inner wall of the base (41) through bolts; The rotating rod (43) is rotationally connected to the inner wall of the straight cylinder (42) through a sealing bearing; The first conical gear (44) is fixedly connected to one end of the rotating rod (43) positioned in the straight cylinder (42); A second bevel gear (45) engaged with an outer wall of the first bevel gear (44); One end of the screw rod (46) is fixedly connected with the inner wall of the second bevel gear (45), and the other end of the screw rod is rotationally connected with the inner wall of the straight cylinder (42) through a sealing bearing; The lifting piece (47) is in threaded connection with the outer wall of the screw rod (46), is movably connected with the front opening of the straight cylinder (42), and is fixedly connected with the back of the collection box (1) through a bolt; the crank (48) is inserted into the inner wall of the rotating rod (43); a restricting unit (49) provided on the top of the base (41); The base (41) is used for installing the straight cylinder (42), the straight cylinder (42) is used for installing and protecting the rotating rod (43), the first conical gear (44), the second conical gear (45), the screw rod (46) and the lifting piece (47), the crank (48) is rocked, the rotating rod (43) is enabled to rotate, the screw rod (46) is driven to rotate through the first conical gear (44) and the second conical gear (45), the lifting piece (47) is enabled to drive the collecting box (1) to lift, and the limiting unit (49) is used for limiting the rotating rod (43).
6. An air sampling device capable of filtering particulate matter according to claim 5, wherein said restriction unit (49) comprises: A sleeve (491) fixedly connected to the top of the base (41); A spring (492) mounted on the inner wall of the sleeve (491) and the bottom of which is fixedly connected with the top of the base (41); The bottom of the fixing piece (493) is fixedly connected to the top of the spring (492), the top of the fixing piece is inserted into a bottom groove of the rotating rod (43), two sides of the outer wall of the fixing piece are movably connected to the outer wall of the sleeve (491) and provided with openings; Wherein the sleeve (491) mounts a spring (492), the spring (492) gives a force for inserting a fixing member (493) into a groove at the bottom of the rotating rod (43), and the fixing member (493) fixes the rotating rod (43).

Description

Air sampling device capable of filtering particulate matters Technical Field The utility model relates to the technical field of air collection of filterable particles, in particular to an air sampling device capable of filtering the particles. Background The rapid development of industry makes the emission of industrial gas increase, and the atmospheric pollution can influence people's health, especially the atmospheric environment of mill, therefore is very important to the pollution control of atmospheric environment, needs to gather the ambient air, monitors the air, and the ambient air needs to use collection device when gathering needs. When the prior air collection device collects outside air, the container is placed outdoors, the outdoor air is collected through the collection device, the air is inspected in the later period, for example, an environmental air collection device with the application number of CN202320209943.X comprises a collection device body and an air inlet component arranged at the collection device body, the air inlet component comprises a mounting plate, a lifting collection pipe is arranged above the mounting plate through a driving component, an air cavity is arranged in the collection pipe, air inlets communicated with the air cavity are uniformly distributed on the outer side wall of the collection pipe along the circumferential direction of the air cavity, and a guide pipe communicated with the air cavity is arranged at the lower end part of the collection pipe and is connected with the collection device body through an air inlet hose. Through above-mentioned structure for set up the air inlet along gathering pipe circumference, make the ambient air around the gathering pipe get into gathering in the pipe by the air inlet of different positions, thereby make the collection effect of ambient air better. However, when the existing air collection device collects outdoor air, the container is directly placed outdoors and collected through the collection device, but because the prior air possibly remains in the container, the air in two different areas is mixed together, and the obtained test result is not accurate enough. Disclosure of utility model Aiming at the defects of the prior art, the utility model provides the air sampling device capable of filtering the particulate matters, which solves the problems that when outdoor air is collected, a container is directly placed outdoors and collected through a collecting device, but because the prior air possibly remains in the container, the air in two different areas is mixed together, and the obtained test result is inaccurate. The air sampling device capable of filtering the particulate matters comprises a collecting box, a filtering mechanism, a cleaning unit and a cleaning unit, wherein the filtering mechanism is arranged inside the collecting box, the impurity removing device is arranged inside the collecting box and comprises a containing cylinder, two containing cylinders are arranged and fixedly connected to the inner wall of the collecting box, a piston is inserted into the inner wall of the containing cylinder, one end of the piston extends to the outside of the collecting box, a first electric valve is arranged on the outer wall of the containing cylinder, a first air outlet pipe is communicated with the other end of the first electric valve and extends out of the collecting box, the air inlet unit is arranged on one side outside the containing cylinder, the cleaning unit is arranged outside the air inlet unit, impurity air inside the containing cylinder is discharged through the first electric valve and the first air outlet pipe through pushing the piston, the air inlet unit pumps the external air into the containing cylinder, and the cleaning unit cleans the air inside the air inlet unit. Preferably, the air inlet part comprises two second electric valves, two bidirectional pipes, an air pump and an air output end, wherein one ends of the second electric valves are respectively arranged on one sides of the outer walls of the two accommodating cylinders, the two ends of the bidirectional pipes are respectively communicated with the other ends of the two second electric valves, the output end of the air pump is communicated with one side of the bidirectional pipes and is fixedly connected with the inner wall of the collecting box, and the second electric valves are opened, so that the air pump pumps external air to the accommodating cylinders through the bidirectional pipes. Preferably, the cleaning unit comprises a third electric valve, a second air outlet pipe and a cleaning unit, wherein one end of the third electric valve is arranged on one side, far away from the air pump, of the outer wall of the bidirectional pipe, the second air outlet pipe is communicated with the other end of the third electric valve and extends to the outside of the collecting box, the first electric valve and the second electric valve are