CN218212214U

CN218212214U - Dust sampler preprocessing device

Info

Publication number: CN218212214U
Application number: CN202222100043.XU
Authority: CN
Inventors: 张伟治; 曾令文; 郭兰艳
Original assignee: Shenzhen Guangdong Technology Co ltd
Current assignee: Shenzhen Guangdong Technology Co ltd
Priority date: 2022-08-10
Filing date: 2022-08-10
Publication date: 2023-01-03
Anticipated expiration: 2032-08-10

Abstract

The utility model discloses a dust sampler preprocessing device, the on-line screen storage device comprises a base, it breathes the storehouse to be equipped with the stationary flow on the base, the stationary flow breathes the storehouse and is flexible material, and the stationary flow breathes the surface of storehouse and covers and breathe the film, the stationary flow breathes the storehouse including the storehouse body and storehouse air inlet, the internal storehouse of having seted up air inlet storehouse and a plurality of storehouse of giving vent to anger, a plurality of storehouse of giving vent to anger connect in parallel and set up, and the total volume in a plurality of storehouse of giving vent to anger is greater than the volume in air inlet storehouse, storehouse body one side is equipped with the aspiration pump, the aspiration pump is close to storehouse body one side and is equipped with pump air inlet and pump air outlet, pump air inlet and storehouse intercommunication that admits air, pump air outlet and a plurality of storehouse of giving vent to anger connect in parallel and communicate, storehouse air inlet locates the storehouse body and keeps away from aspiration pump one side, storehouse air inlet and the storehouse intercommunication of giving vent to anger, the storehouse gas outlet has been seted up on the surface of the storehouse body, storehouse gas outlet and a plurality of giving vent to connect in parallel and communicate. The utility model provides a dust sampler preprocessing device can play the effect of stationary flow, and the overall device stable in structure, the integrated level is high, and reliable operation and maintenance cost are low.

Description

Dust sampler preprocessing device

Technical Field

The utility model relates to a sampling device technical field especially relates to a dust sampler preprocessing device.

Background

The dust sampler is a portable device for collecting dust samples in dust-containing air. The dust concentration in the air is measured, and besides the requirement of safety production management, the dust concentration measuring instrument also aims to provide scientific basis for researching measures of dust prevention, dust fall and dust removal. The dust measurement by using the sampler is a well-known method with higher accuracy.

When the dust sampler is used for detection, the concentration of dust in the air can be detected by calculating the flow of air flow. In the conventional dust sampler, an air flow in the air is sucked into a detection device through a sampling pump, a flow differential pressure device and a temperature measurement device are arranged on a flowing path of the air flow, and the flow of the air flow is calculated through the pressure and the temperature of the detected flow. However, the airflow directly sucked by the sampling pump is usually unstable and has a large fluctuation range, so that the measurement results of the pressure and the temperature of the airflow are influenced, the calculation result of the airflow flow is further influenced, and the detection result is inaccurate.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a dust sampler preprocessing device can play the effect of stationary flow.

The utility model discloses a technical scheme that dust sampler preprocessing device adopted is:

the utility model provides a dust sampler preprocessing device, includes the base, it breathes the storehouse to be equipped with the stationary flow on the base, the stationary flow breathes the storehouse and is flexible material, just the stationary flow breathes the surface of storehouse and covers and have the breathing film, the stationary flow breathes the storehouse including the storehouse body and storehouse air inlet, the internal intake storehouse and a plurality of storehouse of giving vent to anger of having seted up of storehouse, it is a plurality of to go out the parallelly connected setting of storehouse, and a plurality of the total volume in storehouse of giving vent to anger is greater than the volume in storehouse of admitting air, storehouse body one side is equipped with the aspiration pump, the aspiration pump is close to storehouse body one side and is equipped with pump air inlet and pump air outlet, pump air inlet and intake storehouse intercommunication, pump air outlet and the storehouse of admitting air intercommunication of giving vent to anger parallelly connected intercommunication in storehouse with a plurality of, the storehouse air inlet is located the storehouse body and is kept away from aspiration pump one side, storehouse air inlet and intake storehouse intercommunication, the storehouse gas outlet has been seted up on the surface of the storehouse body, storehouse gas outlet and a plurality of giving vent to give vent to anger storehouse parallelly connected intercommunication in parallel.

As preferred scheme, the stationary flow is breathed the storehouse and is the silica gel material, just the storehouse integrated into one piece is breathed to the stationary flow.

Preferably, the number of the gas outlet bins is three.

As a preferred scheme, a temperature measuring device and a flow differential pressure device are arranged at the position of the bin body corresponding to the bin air outlet.

As the preferred scheme, the steady flow respiration bin further comprises a shock absorption column, the shock absorption column is arranged on the bottom surface of the bin body, and the bin body is arranged on the base through the shock absorption column.

As a preferred scheme, the number of the shock absorption columns is four, and the four shock absorption columns are distributed in a rectangular shape.

As the preferred scheme, the bottom surface in storehouse is breathed in the stationary flow is equipped with the connecting plate, the stationary flow is breathed the storehouse and is connected with the aspiration pump through the connecting plate.

The utility model discloses a dust sampler preprocessing device's beneficial effect is: starting the air pump, the air current enters the storehouse of admitting air in the storehouse body from the storehouse air inlet, because whole stationary flow breathes the storehouse and is flexible material, it also has elasticity to breathe the film, the internal back of the storehouse of can letting the storehouse body swell of entering of air current, the air current passes through the pump air inlet of air pump and gets into in the air pump, again from the pump air outlet circulation of air pump to a plurality of air outlets storehouse of the storehouse body, because a plurality of air outlets storehouse are parallelly connected and set up, all direct and pump air outlet intercommunication, and the total volume in a plurality of air outlets storehouse is greater than the volume in air inlet storehouse, the density reduces after the air current dispersion reaches a plurality of air outlets storehouse, fluctuation range reduces, thereby reach the effect of stationary flow, it is external to discharge the storehouse through the storehouse gas outlet again at last, the integrated device stable in structure, the integrated level is high, the reliable operation and the maintenance cost is low.

Drawings

Fig. 1 is a schematic structural diagram of the dust sampler pretreatment device of the present invention.

Fig. 2 is a cross-sectional view of the dust sampler pretreatment device of the present invention.

Fig. 3 is a schematic structural diagram of the steady flow breathing chamber of the dust sampler pretreatment device of the present invention.

Fig. 4 is a schematic structural diagram of the air pump of the dust sampler preprocessing device of the present invention.

10. A base; 20. a steady flow breathing chamber; 21. a bin body; 22. a bin air inlet; 23. an air inlet bin; 24. a gas outlet bin; 25. a bin air outlet; 26. a shock-absorbing post; 30. an air pump; 31. a pump inlet; 32. a pump outlet; 40. a breathing membrane; 50. a temperature measuring device; 60. a flow differential pressure device; 70. a connecting plate.

Detailed Description

The invention will be further elucidated and described with reference to the following embodiments and drawings in which:

referring to fig. 1 to 4, a pretreatment device for a dust sampler comprises a base 10, a steady flow breathing chamber 20 is arranged on the base 10, the steady flow breathing chamber 20 is made of a flexible material, a breathing film 40 is coated on the surface of the steady flow breathing chamber 20, the steady flow breathing chamber 20 comprises a chamber body 21 and a chamber air inlet 22, an air inlet chamber 23 and a plurality of air outlet chambers 24 are arranged in the chamber body 21, the plurality of air outlet chambers 24 are arranged in parallel, the total volume of the plurality of air outlet chambers 24 is greater than the volume of the air inlet chamber 23, an air suction pump 30 is arranged on one side of the chamber body 21, a pump air inlet 31 and a pump air outlet 32 are arranged on one side of the air suction pump 30 close to the chamber body 21, the pump air inlet 31 is communicated with the air inlet chamber 23, the pump air outlet 32 is communicated with the plurality of air outlet chambers 24 in parallel, the chamber air inlet 22 is arranged on one side of the chamber body 21 far from the air suction pump 30, the chamber air inlet 22 is communicated with the air inlet chamber 23, a chamber air outlet 25 is arranged on the surface of the chamber 21, and the air outlet 25 is communicated with the plurality of air outlet chambers 24 in parallel.

The air pump 30 is started, air flow enters the air inlet bin 23 in the bin body 21 from the bin air inlet 22, the whole steady-flow breathing bin 20 is made of flexible materials, the breathing film 40 is elastic, the bin body 21 can be blown up after the air flow enters the bin body 21, the air flow enters the air pump 30 through the pump air inlet 31 of the air pump 30 and then flows to the air outlet bins 24 of the bin body 21 from the air outlet 32 of the air pump 30, the air flow is directly communicated with the air outlet 32 because the air outlet bins 24 are arranged in parallel, the total volume of the air outlet bins 24 is larger than that of the air inlet bin 23, the density of the air flow is reduced after the air flow is dispersed to the air outlet bins 24, the fluctuation range is reduced, the steady-flow effect is achieved, and finally the air flow is discharged out of the bin body 21 through the bin air outlet 25, the whole device is stable in structure, high in integration level, reliable work and low in maintenance cost.

Specifically, referring to fig. 3, the steady flow breathing chamber 20 is made of silica gel, and the steady flow breathing chamber 20 is integrally formed. The silica gel has elasticity, and can generate elastic deformation when being inflated, so that the volumes of the air inlet bin 23 and the air outlet bin 24 are enlarged. The integrally formed structure has strong stability and low manufacturing cost.

Specifically, referring to fig. 2, the number of the outlet bins 24 is three. The three air outlet bins 24 and the air inlet bin 23 are distributed on the inner wall of the bin body 21 together, and the middle part of the bin body 21 is connected with the air pump 30.

Specifically, referring to fig. 1, the bin body 21 is provided with a temperature measuring device 50 and a flow rate differential pressure device 60 at a position corresponding to the bin air outlet 25. The temperature measuring device 50 and the flow differential pressure device 60 can measure the temperature and the pressure of the airflow after the flow stabilization, so as to calculate the flow of the airflow.

Specifically, referring to fig. 1 and 2, the steady flow breathing chamber 20 further includes a shock absorption column 26, the shock absorption column 26 is disposed on the bottom surface of the chamber body 21, and the chamber body 21 is disposed on the base 10 through the shock absorption column 26. More specifically, the number of the shock absorbing columns 26 is four, and the four shock absorbing columns 26 are distributed in a rectangular shape. The shock absorption column 26 can play a role in buffering, air flow can be more stable, a shock absorption device does not need to be additionally added, the shock absorption column 26 is connected with the bin body 21 into a whole, the structure of the steady-flow breathing bin 20 is more stable, and manufacturing and maintenance costs are reduced.

Specifically, referring to fig. 1 and 2, a connecting plate 70 is disposed on a bottom surface of the steady flow breathing chamber 20, and the steady flow breathing chamber 20 is connected to the air pump 30 through the connecting plate 70. The connection plate 70 can improve the stability of the connection structure between the steady flow breathing chamber 20 and the suction pump 30.

The utility model provides a dust sampler preprocessing device, start the aspiration pump, the air current is from the internal storehouse of admitting air of storehouse air inlet entering storehouse, because the storehouse is the flexible material is breathed to whole stationary flow, it also has elasticity to breathe the film, the air current can let the storehouse body swell after the storehouse is internal to admit into, the air current passes through in the pump air inlet entering aspiration pump of aspiration pump again, again from a plurality of air outlets storehouse of air pump circulation to the storehouse body, because a plurality of air outlets storehouse are parallelly connected and set up, all direct and pump air outlet intercommunication, and the total volume in a plurality of air outlets storehouse is greater than the volume in air inlet storehouse, the air current disperses density reduction behind a plurality of air outlets storehouse, fluctuation range reduces, thereby reach the effect of stationary flow, it is external to discharge the storehouse through the storehouse gas outlet again at last, the overall structure is stable, the integrated level is high, the reliable operation and the maintenance cost is low.

It should be finally noted that the above embodiments are only intended to illustrate the technical solutions of the present invention, and not to limit the scope of the present invention, and although the present invention has been described in detail with reference to the preferred embodiments, it should be understood by those skilled in the art that the technical solutions of the present invention can be modified or replaced with equivalents without departing from the spirit and scope of the technical solutions of the present invention.

Claims

1. The pretreatment device for the dust sampler is characterized by comprising a base, wherein a steady flow breathing bin is arranged on the base, the steady flow breathing bin is made of flexible materials, a breathing film covers the surface of the steady flow breathing bin, the steady flow breathing bin comprises a bin body and a bin air inlet, an air inlet bin and a plurality of air outlet bins are arranged in the bin body, the air outlet bins are arranged in parallel, the total volume of the air outlet bins is larger than that of the air inlet bin, an air suction pump is arranged on one side of the bin body, a pump air inlet and a pump air outlet are arranged on one side, close to the bin body, of the air suction pump, the pump air inlet is communicated with the air inlet bins, the pump air outlet is communicated with the air outlet bins in parallel, the bin air inlet is arranged on one side, far away from the air suction pump, the bin air inlet is communicated with the air inlet bin, a bin air outlet is arranged on the surface of the bin body, and the bin air outlet is communicated with the air outlet bins in parallel.

2. The pretreatment device of claim 1, wherein the steady flow breathing chamber is made of silica gel and is integrally formed.

3. The dust sampler pretreatment device of claim 1, wherein the number of said gas outlet bins is three.

4. The pretreatment device of a dust sampler as claimed in claim 1, wherein the bin body is provided with a temperature measuring device and a flow differential pressure device at positions corresponding to the bin air outlet.

5. The pretreatment device for the dust sampler of claim 1, wherein the steady flow breathing chamber further comprises a shock absorption column, the shock absorption column is arranged on the bottom surface of the chamber body, and the chamber body is arranged on the base through the shock absorption column.

6. The dust sampler pretreatment device of claim 5, wherein the number of the shock absorption columns is four, and the four shock absorption columns are distributed in a rectangular shape.

7. The pretreatment device of a dust sampler as claimed in claim 1, wherein the bottom surface of the steady flow breathing chamber is provided with a connecting plate, and the steady flow breathing chamber is connected with the air suction pump through the connecting plate.