CN214096810U

CN214096810U - Atmospheric particulate matter sampler

Info

Publication number: CN214096810U
Application number: CN202120135556.7U
Authority: CN
Inventors: 李辉; 相成龙
Original assignee: Individual
Current assignee: Individual
Priority date: 2021-01-19
Filing date: 2021-01-19
Publication date: 2021-08-31
Anticipated expiration: 2031-01-19

Abstract

The utility model discloses an atmospheric particulate sampler, which comprises a box body, wherein two collecting boxes are arranged at the top of the box body, a mounting frame is inserted in the collecting box, a filter membrane is arranged in the mounting frame, a pull rod is fixedly connected with the top of the mounting frame, the top of the pull rod extends to the outside of the collecting box, a fan shell is arranged at one side in the box body, when the collection and sampling of particulate matters are needed, the pull rod is pushed downwards to push the mounting frame and the filter membrane to move into the box body, the filter membrane is arranged in the box body to collect and sample the particulate matters in the air flow passing through the box body, the pull rod is pulled upwards after the sampling is finished, the mounting frame and the filter membrane are pulled upwards to the inside of the collecting box, and no other particulate matters are attached to the surface of the filter membrane in the recovery process of the box body through the closed mounting frame and the filter membrane of the collecting box, and further ensure the accuracy of sampling detection.

Description

Atmospheric particulate matter sampler

Technical Field

The utility model relates to an environmental monitoring technical field specifically is an atmospheric particulates sample thief.

Background

The atmospheric particulate sampler is an instrument or a device for collecting atmospheric pollutants or polluted atmosphere, the atmospheric sampler is of various types, and can be divided into a gas sampler and a particulate sampler according to a collection object, and can be divided into an environment sampler, an indoor sampler and a pollution source sampler according to a use place.

Patent number is CN 209784001U's the atmospheric particulates sample thief of having announced, has solved ordinary atmospheric sampling ware and can not preliminary analysis particulate matter size distribution rule's in the atmosphere disadvantage, through the setting of push-and-pull filter membrane support for arbitrary type's filter membrane can be easily, quick, conveniently changed to the sample thief, easy operation, portable.

When the particle sampler is used, the following defects 1 exist, the filter membrane is directly placed in the box body to move after the particle sampler is sampled, and gas enters the box body and is adhered to the surface of the filter membrane in the moving process, so that the subsequent detection accuracy is influenced; 2. when the particle sampler is used, a fan is generally arranged in the particle sampler for air extraction treatment, and the fan needs to be electrified when in use, so that the particle sampler is inconvenient to carry and limits the application range of the sampler.

SUMMERY OF THE UTILITY MODEL

The to-be-solved technical problem of the utility model is to overcome current defect, provide an atmospheric particulates sample thief, can avoid the new material after the sampling to be stained with and cover the filter membrane, can be simultaneously inconvenient to connect the manual exhaust of bleeding under the condition of electricity, can effectively solve the problem in the background art.

In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides an atmospheric particulates sample thief, includes the box, the box top is installed and is collected the box and collect the box and be two, it has the mounting bracket to peg graft inside the box to collect, mounting bracket internally mounted has the filter membrane, mounting bracket top fixedly connected with pull rod, the pull rod top extends to and collects the box outside, the fan shell is installed to inside one side of box, the bearing is installed to inside one side of box, the box is connected with the bull stick through the bearing cooperation, bull stick lateral wall one side fixedly connected with flabellum, the flabellum is located inside the fan shell.

As a preferred technical scheme of the utility model, box one end fixedly connected with intake pipe, the intake pipe is linked together with the box is inside.

As the utility model discloses a preferred technical scheme, both ends all bond there is the rubber pad about the mounting bracket lateral wall, the rubber pad is located mounting bracket and collection box inner wall junction.

As an optimal technical scheme of the utility model, mounting bracket top fixedly connected with rings, pull rod bottom fixed connection to rings surface.

As an optimal technical scheme of the utility model, fan shell top one side fixedly connected with blast pipe, the blast pipe top extends to the box outside.

As a preferred technical scheme of the utility model, bull stick one end fixedly connected with handle, the handle is located the bull stick and keeps away from flabellum one side.

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

1. the box is inside to be used for passing gas, internally mounted has the mounting bracket, the inside filter membrane of mounting bracket is used for collecting the sampling to gaseous particulate matter, the box top is fixed with collects the box and collects the pull rod that the box top installed the lift of control mounting bracket, when needing to carry out the collection sampling of particulate matter, push down the pull rod, the pull rod moves down and promotes mounting bracket and filter membrane and remove to inside the box, the filter membrane is arranged in the box inside back and is collected the sampling to the particulate matter in the air current that passes the box, the pull rod is drawn upward after the sampling is accomplished, the pull rod moves upward with mounting bracket and filter membrane pulling to the inside of collecting the box, through collecting airtight mounting bracket of box and filter membrane, make the box can not have other particulate matter to adhere to on the filter membrane surface at the recovery in-process, and then guarantee the degree of accuracy of sampling detection.

2. The fan shell is installed to inside one side of box, the internally mounted of fan shell has the flabellum, the box is connected with the bull stick through the bearing and connects the flabellum through the bull stick, the bull stick can rotate under the effect of bearing, when carrying out the particulate matter and collecting, can rotate the bull stick along the bearing, drive the flabellum during the bull stick rotation and rotate in the inside of fan shell, make the inside negative pressure environment that forms of fan shell carry out the air exhaust processing, air current suction box and discharge in with the environment, the air current that passes the box inside can be through filtration membrane, the particulate matter is collected and is accomplished the sampling process, compare in the sampler that traditional fan that must arrange used mutually, simplify the structure of sampler, conveniently carry, the suitability of sampler has been improved.

Drawings

Fig. 1 is a schematic view of the overall structure of an atmospheric particulate sampler according to the present invention;

fig. 2 is the utility model relates to a mounting bracket structure schematic diagram of atmospheric particulates sample thief.

In the figure: 1. a box body; 101. an air inlet pipe; 2. a collection box; 3. a mounting frame; 301. filtering the membrane; 302. a rubber pad; 4. a pull rod; 401. a hoisting ring; 5. a fan housing; 501. an exhaust pipe; 6. a bearing; 601. a rotating rod; 602. a fan blade; 603. a handle.

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. 1-2, the present invention provides a technical solution: the utility model provides an atmospheric particulates sample thief, includes

box

1, 1 top of box is installed and is collected box 2 and collect box 2 and be two, it has mounting bracket 3 to collect 2 inside pegs graft of box, 3 internally mounted filter membrane 301 of mounting bracket, 3 top fixedly connected with pull rod 4 of mounting bracket, 4 tops of pull rod extend to and collect 2 outsides of box, fan shell 5 is installed to 1 inside one side of box, bearing 6 is installed to 1 inside one side of box, box 1 is connected with bull stick 601 through the 6 cooperation of bearing, bull stick 601 lateral wall one side fixedly connected with flabellum 602, flabellum 602 is located fan shell 5 inside.

Illustratively, when collecting and sampling particulate matters, the pull rod 4 is pushed downwards, the pull rod 4 moves downwards to push the mounting frame 3 and the filter membrane 301 to move into the box body 1, the filter membrane 301 collects and samples the particulate matters in the air flow passing through the box body 1 after being arranged in the box body 1, the pull rod 4 is pulled upwards after sampling, the pull rod 4 moves upwards to pull the mounting frame 3 and the filter membrane 301 into the collecting box 2, the mounting frame 3 and the filter membrane 301 are sealed by the collecting box 2, so that no other particulate matters are attached to the surface of the filter membrane 301 in the recovery process of the box body 1, the sampling detection accuracy is further ensured, the rotating rod 601 is rotated along the bearing 6, the fan blades 602 are driven to rotate in the fan shell 5 when the rotating rod 601 rotates, the air flow in the environment is sucked into the box body 1 and discharged, the air flow passing through the inside of the box body 1 passes through the filter membrane 301, the particulate matters are collected and sampled, and the sampler structure is simplified, the sampler is convenient to carry, and the applicability of the sampler is improved.

Referring to fig. 1, an air inlet pipe 101 is fixedly connected to one end of the box body 1, and the air inlet pipe 101 is communicated with the inside of the box body 1.

Illustratively, the air inlet pipe 101 fixed at one end of the box body 1 can communicate the inside and the outside, and draws the air flow in the environment into the inside of the box body 1.

Referring to fig. 1-2, rubber pads 302 are adhered to the upper and lower ends of the outer side wall of the mounting frame 3, and the rubber pads 302 are located at the joint of the mounting frame 3 and the inner side wall of the collecting box 2.

For example, the rubber pads 302 bonded to both ends of the mounting bracket 3 can improve the sealing performance of the joint after the mounting bracket 3 is received in the collecting box 2, and the position of the mounting bracket 3 can be fixed by the elasticity of the rubber pads 302.

Referring to fig. 1-2, a hanging ring 401 is fixedly connected to the top of the mounting frame 3, and the bottom of the pull rod 4 is fixedly connected to the surface of the hanging ring 401.

Illustratively, the suspension ring 401 fixed on the top of the mounting frame 3 can be connected with the pull rod 4, so that the movement of the pull rod 4 can drive the movement of the mounting frame 3.

Referring to fig. 1, an exhaust pipe 501 is fixedly connected to one side of the top of the fan casing 5, and the top of the exhaust pipe 501 extends to the outside of the box body 1.

Illustratively, gas drawn into the interior of the enclosure 1 is exhausted from the exhaust duct 501 by an exhaust duct 501 secured to the top of the fan casing 5.

Referring to fig. 1, a handle 603 is fixedly connected to one end of the rotating rod 601, and the handle 603 is located on a side of the rotating rod 601 far from the fan blades 602.

Illustratively, the rotating rod 601 can be conveniently rotated to control the rotation of the fan blades 602 by a handle 603 fixed to one end of the rotating rod 601.

When in use: the gas collection box comprises a box body 1, a mounting frame 3 is arranged in the box body 1, a filter membrane 301 in the mounting frame 3 is used for collecting and sampling gas particles, a collection box 2 is fixed at the top of the box body 1, a pull rod 4 for controlling the lifting of the mounting frame 3 is arranged at the top of the collection box 2, the pull rod 4 is pushed downwards when the particles are required to be collected and sampled, the mounting frame 3 and the filter membrane 301 are pushed downwards to move into the box body 1 by the pull rod 4, the filter membrane 301 is arranged in the box body 1 to collect and sample the particles in the gas flow passing through the box body 1, the pull rod 4 is pulled upwards after the sampling is completed, the mounting frame 3 and the filter membrane 301 are pulled to the inside of the collection box 2 by the pull rod 4 moving upwards, the mounting frame 3 and the filter membrane 301 are sealed by the collection box 2, no other particles are attached to the surface of the filter membrane 301 in the recovery process of the box body 1, the accuracy of sampling detection is further ensured, and the gas inlet pipe 101 fixed at one end of the box body 1, the box body can be communicated with the inside and the outside, air flow in the environment is pumped into the box body 1, the sealing performance of a joint can be improved after the mounting frame 3 is collected into the collecting box 2 through the rubber pads 302 adhered to the two ends of the mounting frame 3, meanwhile, the position of the mounting frame 3 can be fixed by utilizing the elasticity of the rubber pads 302, the pull rod 4 can be connected with the pull rod 4 through the hanging ring 401 fixed at the top of the mounting frame 3, so that the pull rod 4 can move to drive the mounting frame 3 to move, the fan shell 5 is installed on one side inside the box body 1, the fan blades 602 are installed inside the fan shell 5, the box body 1 is connected with the rotating rod 601 through the bearing 6 and is connected with the fan blades 602 through the rotating rod 601, the rotating rod 601 can rotate under the action of the bearing 6, when particulate matter is collected, the rotating rod 601 can rotate the rotating rod 601, the fan blades 602 are driven to rotate inside the fan shell 5 when rotating, so that a negative pressure environment is formed inside the fan shell 5 for processing, with the air current suction box 1 in the environment and discharge, the inside air current of box 1 of passing can pass through filter membrane 301, the particulate matter is collected and is accomplished the sampling process, compare in the traditional sample thief that must arrange the fan and use, simplify the structure of sample thief, conveniently carry, the suitability of sample thief has been improved, through blast pipe 501 fixed at fan shell 5 top, make the inside gas of suction box 1 discharge from blast pipe 501, through the handle 603 fixed in bull stick 601 one end, can conveniently rotate the rotation with control flabellum 602 to bull stick 601.

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 an atmospheric particulates sample thief, includes box (1), its characterized in that: the utility model discloses a box, including box (1), collection box (2), pull rod (601), fan shell (5), bearing (6) are installed to box (1), box (1) top is installed and is collected box (2) and collect box (2) and be two, it has mounting bracket (3) to collect inside grafting of box (2), mounting bracket (3) internally mounted has filter membrane (301), mounting bracket (3) top fixedly connected with pull rod (4), pull rod (4) top extends to and collects box (2) outside, fan shell (5) are installed to box (1) inside one side, bearing (6) are installed to box (1) inside one side, box (1) is connected with bull stick (601) through bearing (6) cooperation, bull stick (601) lateral wall one side fixedly connected with flabellum (602), flabellum (602) are located fan shell (5) inside.

2. The atmospheric particulate sampler of claim 1, wherein: the air inlet pipe (101) is fixedly connected to one end of the box body (1), and the air inlet pipe (101) is communicated with the interior of the box body (1).

3. The atmospheric particulate sampler of claim 1, wherein: rubber pads (302) are bonded to the upper end and the lower end of the outer side wall of the mounting frame (3), and the rubber pads (302) are located at the joint of the mounting frame (3) and the inner side wall of the collecting box (2).

4. The atmospheric particulate sampler of claim 1, wherein: the top of the mounting frame (3) is fixedly connected with a hanging ring (401), and the bottom of the pull rod (4) is fixedly connected to the surface of the hanging ring (401).

5. The atmospheric particulate sampler of claim 1, wherein: the fan shell (5) is characterized in that an exhaust pipe (501) is fixedly connected to one side of the top of the fan shell (5), and the top of the exhaust pipe (501) extends to the outside of the box body (1).

6. The atmospheric particulate sampler of claim 1, wherein: one end of the rotating rod (601) is fixedly connected with a handle (603), and the handle (603) is located on one side, far away from the fan blades (602), of the rotating rod (601).