CN212340771U

CN212340771U - Full-automatic atmospheric particulates sample thief of during operation low noise

Info

Publication number: CN212340771U
Application number: CN202020599343.5U
Authority: CN
Inventors: 曹辉; 吴萍; 童敬香
Original assignee: Jiangsu Huaqu Standard Testing And Certification Technology Co ltd
Current assignee: Jiangsu Huaqu Standard Testing And Certification Technology Co ltd
Priority date: 2020-04-17
Filing date: 2020-04-17
Publication date: 2021-01-12
Anticipated expiration: 2030-04-17

Abstract

The utility model relates to the technical field of atmospheric particulate sampler, in particular to a full-automatic atmospheric particulate sampler with low noise in working, which comprises a shell, wherein an air inlet pipe is fixedly connected to the left side of the shell, an air inlet groove is correspondingly arranged in the shell and at the position of the air inlet pipe, a silencing chamber is arranged at the top end of the air inlet groove, a silencing hole is arranged at the top of the silencing chamber, an air inlet pipe is fixedly connected to the top of the silencing hole, a sampling box is fixedly connected to the top end of the air inlet pipe and positioned above the shell, a filter membrane frame is arranged in the sampling box and positioned above the air inlet pipe, a filter membrane is fixedly connected in the filter membrane frame, and a micro pushing cylinder, a piston plate, a gas pumping groove and the shell are arranged to solve the problem that the air is pumped into the atmospheric particulate sampler by a fan generally used at present, and, the larger noise can cause interference to the operator and influence the operation of the operator.

Description

Full-automatic atmospheric particulates sample thief of during operation low noise

Technical Field

The utility model relates to an atmospheric particulates sample thief technical field specifically is a full-automatic atmospheric particulates sample thief of during operation low noise.

Background

In the environmental monitoring evaluation, the particulate matters contained in the atmosphere need to be collected, and the collected particulate matters are analyzed, so that the environmental monitoring evaluation method can be used as an important basis for identifying pollution sources and controlling absorbable harmful substances of people.

At present generally use the fan with in the air suction atmospheric particulates sample thief, the collection in-process, the fan is great because the noise that vibrations produced, and great noise can cause the interference to operating personnel, influences operating personnel operation, consequently needs the full-automatic atmospheric particulates sample thief of a during operation low noise to improve this problem.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a full-automatic atmospheric particulates sample thief of during operation low noise to solve the problem that proposes among the above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme:

a full-automatic atmospheric particulate sampler with low noise in work comprises a shell, wherein an air inlet pipe is fixedly connected to the left side of the shell, an air inlet groove is correspondingly formed in the position of the air inlet pipe in the shell, a silencing chamber is formed in the top end of the air inlet groove, a silencing hole is formed in the top of the silencing chamber, an air inlet pipe is fixedly connected to the top of the silencing hole, a sampling box is fixedly connected to the top end of the air inlet pipe and positioned above the shell, a filter membrane frame is arranged in the sampling box and positioned above the air inlet pipe, a filter membrane is fixedly connected in the filter membrane frame, an air outlet pipe is fixedly connected to the bottom of the sampling box and positioned on the right side of the air inlet pipe, an air exhaust groove is formed in the position of the air outlet pipe on the shell, a micro push cylinder is fixedly connected to the bottom of the air exhaust groove, a piston plate is fixedly connected to the micro push cylinder, the utility model discloses a sampling box, including blast pipe, air inlet groove, exhaust groove, air inlet groove, exhaust groove, the left end of blast pipe just is located the casing and is provided with the sealing plug, the left side fixedly connected with pull ring of sealing plug, the right side of casing and the top fixedly connected with electronic button of position blast pipe, the right side of casing and the below fixedly connected with power plug who is located the blast pipe, the both sides of casing just are located the solid fixed ring of electronic button top fixedly connected with, gu fixed ring goes up the fixedly connected with haulage rope, just be located the sampling box in the casing under fixedly connected with singlechip.

Preferably, the power plug and the electronic button, the electronic button and the single chip microcomputer, the single chip microcomputer and the electromagnetic valve, and the single chip microcomputer and the micro pushing cylinder are electrically connected.

Preferably, the sealing plug is connected with the air inlet pipe in a sliding manner, and the piston plate is connected with the air exhaust groove in a sliding manner.

Preferably, the sound absorption pad is made of a sound absorption material and the filter membrane frame and the filter membrane are provided in plurality.

Preferably, the air outlet pipe is fixedly connected with the shell, and the shape of the piston plate is matched with that of the air pumping groove.

Preferably, the housing and cartridge are both made of ABS plastic.

Compared with the prior art, the beneficial effects of the utility model are that:

1. the utility model discloses in, through setting up miniature promotion cylinder, the piston board, the groove of bleeding, a housing, drive piston board downstream through miniature promotion cylinder, thereby in with external air suction sampling box, particulate matter in the air can be attached to on the filter membrane, do not use the fan with in the air suction sampling box, because vibrations and noise production when having avoided the fan to move, solved and generally used the fan at present in with air suction atmospheric particulates sample thief, in the acquisition process, the fan is great because the noise that vibrations produced, great noise can lead to the fact the interference to operating personnel, influence the problem of operating personnel operation.

2. The utility model discloses in, through setting up the amortization room, the amortization hole inhales the sound pad, the air is when passing through amortization room and amortization hole, because the sudden change department of pipeline cross-section arouses the change of impedance and makes the noise that the air flow produced take place to reflect and interfere to the noise that produces when reducing the air flow, inhale the noise that the sound pad also can absorb the air and produce when flowing simultaneously, further reducing means is because the air flows and the noise that sends.

3. The utility model discloses in, through setting up solid fixed ring, the haulage rope makes things convenient for operating personnel carrying device.

Drawings

FIG. 1 is a front sectional view of the present invention;

FIG. 2 is an enlarged view of the point A in FIG. 1 according to the present invention;

fig. 3 is an enlarged view of the point B in fig. 1 according to the present invention.

In the figure: 1-shell, 2-air inlet pipe, 3-air inlet groove, 4-anechoic chamber, 5-anechoic hole, 6-air inlet pipe, 7-sampling box, 8-filter membrane frame, 9-filter membrane, 10-air outlet pipe, 11-air exhaust groove, 12-micro push cylinder, 13-piston plate, 14-air exhaust pipe, 15-electromagnetic valve, 16-sound absorbing pad, 17-sealing plug, 18-pull ring, 19-electronic button, 20-power plug, 21-fixing ring, 22-traction rope and 23-single chip microcomputer.

Detailed Description

The technical solution in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, rather than all embodiments, and all other embodiments obtained by a person of ordinary skill in the art without creative work belong to the protection scope of the present invention based on the embodiments of the present invention.

Referring to fig. 1-3, the present invention provides a technical solution:

a full-automatic atmospheric particulate sampler with low noise in work comprises a shell 1, wherein the shell 1 and a sampling box 7 are both made of ABS plastic, the shell 1 and the sampling box 7 made of ABS plastic are light and durable, the service life is long, the left side of the shell 1 is fixedly connected with an air inlet pipe 2, an air inlet groove 3 is correspondingly arranged in the shell 1 and above the air inlet pipe 2, the top end of the air inlet groove 3 is provided with a silencing chamber 4, the top of the silencing chamber 4 is provided with a silencing hole 5, the top of the silencing hole 5 is fixedly connected with an air inlet pipe 6, the top end of the air inlet pipe 6 is fixedly connected with the sampling box 7 and above the shell 1, a filter membrane frame 8 is arranged in the sampling box 7 and above the air inlet pipe 6, a filter membrane 9 is fixedly connected in the filter membrane frame 8, the bottom of the sampling box 7 is fixedly connected with an air outlet pipe 10 and positioned on the right side of the, the bottom of the air pumping groove 11 is fixedly connected with a micro pushing cylinder 12, the micro pushing cylinder 12 is fixedly connected with a piston plate 13, the air outlet pipe 10 is fixedly connected with the shell 1, the shape of the piston plate 13 is matched with that of the air pumping groove 11, the right side of the air pumping groove 11 is fixedly connected with an exhaust pipe 14 positioned below the piston plate 13, the exhaust pipe 14 is arranged on the shell 1 and is internally provided with an electromagnetic valve 15, the air inlet groove 3 and the air pumping groove 11 are both internally provided with a sound absorption pad 16, the sound absorption pad 16 is made of sound absorption materials, a plurality of filter membrane frames 8 and filter membranes 9 are arranged, the sound absorption pad 16 made of the sound absorption materials can absorb noise generated when air flows, the left end of the air inlet pipe 2 is provided with a sealing plug 17 outside the shell 1, the sealing plug 17 is connected with the air inlet pipe 2, the piston plate 13 is connected with the air pumping groove 11 in a sliding manner, and the, casing 1's right side and the top fixedly connected with electronic button 19 of position blast pipe 14, casing 1's right side and the below fixedly connected with power plug 20 that is located blast pipe 14, power plug 20 and electronic button 19, electronic button 19 and singlechip 23, singlechip 23 and solenoid valve 15 and singlechip 23 are electric connection with the connected mode of miniature push cylinder 12, casing 1's both sides just are located the solid fixed ring 21 of electronic button 19 top fixedly connected with, gu fixed ring 21 goes up fixedly connected with haulage rope 22, just be located sampling box 7 in the casing 1 under fixedly connected with singlechip 23.

The utility model discloses work flow: when the device is used, a power plug 20 is inserted into a socket, a sealing plug 17 is taken down from an air inlet pipe 2, an electronic button 19 is pressed, the electronic button 19 starts a micro pushing cylinder 12 through a singlechip 23, the micro pushing cylinder 12 drives a piston plate 13 to move downwards, the piston plate 13 pumps outside air into a sampling box 7 through the air inlet pipe 2, particles in the air are attached to a filter membrane 9, a fan is not needed to be used, the device does not generate large noise due to vibration generated when the fan runs when sampling is carried out, meanwhile, when the air enters a silencing chamber 4 and a silencing hole 5 through the air inlet pipe 2, noise generated by air flow is reflected and interfered due to impedance change caused by abrupt change of the section of a pipeline, so that the noise generated when the air flows is reduced, and a sound absorption pad 16 made of sound absorption materials in an air inlet groove 3 and an air exhaust groove 11 can absorb sound by the own porosity, The film function or the resonance function has the absorption effect on the noise generated when the air flows, the noise generated when the air flows is reduced, therefore, the noise generated when the device operates is lower, after the sampling is finished, the single chip microcomputer 23 opens the electromagnetic valve 15, and the air is discharged through the exhaust pipe 14.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides a full-automatic atmospheric particulates sample thief of during operation low noise, includes casing (1), its characterized in that: the air inlet pipe (2) is fixedly connected to the left side of the shell (1), the air inlet groove (3) is correspondingly formed in the shell (1) and in the position of the air inlet pipe (2), the silencing chamber (4) is formed in the top end of the air inlet groove (3), the silencing hole (5) is formed in the top of the silencing chamber (4), the air inlet pipe (6) is fixedly connected to the top of the silencing hole (5), the sampling box (7) is fixedly connected to the top of the air inlet pipe (6) and located above the shell (1), the filter membrane frame (8) is arranged in the sampling box (7) and located above the air inlet pipe (6), the filter membrane (9) is fixedly connected to the inside of the filter membrane frame (8), the air outlet pipe (10) is fixedly connected to the bottom of the sampling box (7) and located on the right side of the air inlet pipe (6), the air outlet pipe (10) is formed in the shell (1), the bottom of the air exhaust groove (11) is fixedly connected with a miniature pushing cylinder (12), the miniature pushing cylinder (12) is fixedly connected with a piston plate (13), the right side of the air exhaust groove (11) is fixedly connected with an exhaust pipe (14) below the piston plate (13), the exhaust pipe (14) is arranged on the shell (1) and is internally provided with an electromagnetic valve (15), the air inlet groove (3) and the air exhaust groove (11) are respectively internally provided with a sound absorption pad (16), the left end of the air inlet pipe (2) is arranged outside the shell (1) and is provided with a sealing plug (17), the left side of the sealing plug (17) is fixedly connected with a pull ring (18), the right side of the shell (1) is fixedly connected with an electronic button (19) above the exhaust pipe (14), and the right side of the shell (1) is fixedly connected with a power plug (20) below the exhaust pipe (14), the utility model discloses a sampling box, including casing (1), fixed ring (21) of fixedly connected with in the both sides of casing (1) and be located electronic button (19) top, fixed ring (21) are gone up fixedly connected with haulage rope (22), just be located sampling box (7) in casing (1) under fixedly connected with singlechip (23).

2. The fully automatic, low noise and operational sampler of atmospheric particulates of claim 1, further comprising: the power plug (20) is electrically connected with the electronic button (19), the electronic button (19) is electrically connected with the single chip microcomputer (23), the single chip microcomputer (23) is electrically connected with the electromagnetic valve (15), and the single chip microcomputer (23) is electrically connected with the micro pushing cylinder (12).

3. The fully automatic, low noise and operational sampler of atmospheric particulates of claim 1, further comprising: the sealing plug (17) is connected with the air inlet pipe (2) and the piston plate (13) is connected with the air exhaust groove (11) in a sliding manner.

4. The fully automatic, low noise and operational sampler of atmospheric particulates of claim 1, further comprising: the sound absorption pad (16) is made of sound absorption materials, and the filter membrane frame (8) and the filter membrane (9) are provided with a plurality of sound absorption pads.

5. The fully automatic, low noise and operational sampler of atmospheric particulates of claim 1, further comprising: the air outlet pipe (10) and the shell (1) are fixedly connected, and the shape of the piston plate (13) is matched with that of the air exhaust groove (11).

6. The fully automatic, low noise and operational sampler of atmospheric particulates of claim 1, further comprising: the shell (1) and the sampling box (7) are both made of ABS plastic.