CN219511903U

CN219511903U - Dust sampler

Info

Publication number: CN219511903U
Application number: CN202320192517.XU
Authority: CN
Inventors: 容伟辉
Original assignee: Guangdong Cheng'ai Testing Technology Co ltd
Current assignee: Guangdong Cheng'ai Testing Technology Co ltd
Priority date: 2023-02-09
Filing date: 2023-02-09
Publication date: 2023-08-11
Anticipated expiration: 2033-02-09

Abstract

The utility model discloses a dust sampler, comprising: the shell is provided with an inner cavity, the shell is provided with a sampling device, and the sampling device is communicated with the inner cavity; the sampling box is arranged in the inner cavity, the sampling box is provided with an inlet, a first outlet and a second outlet, the inlet is communicated with the sampling device, a honeycomb pore plate is arranged in the sampling box, the inlet and the first outlet are located on one side of the honeycomb pore plate, the second outlet is located on the other side of the honeycomb pore plate, the first outlet is arranged at the lower end of the sampling box, a collecting bottle is arranged at the first outlet, the second outlet is communicated with a sampling pipeline, the tail end of the sampling pipeline is provided with a collecting bag, and a negative pressure device is arranged on the sampling pipeline. So set up, collect big granule dust and tiny dust separately in sampling process, simplify the detection flow.

Description

Dust sampler

Technical Field

The utility model relates to the technical field of detection equipment, in particular to a dust sampler.

Background

The impact of airborne respirable dust on human health is significant, and for this reason, sampling measurements of airborne dust are required.

The existing sampler generally performs unified absorption sampling and then performs sample separation measurement, and distinguishes fine dust and large-particle dust, so that the step of sample separation is added in the measurement process, time and labor are consumed, and meanwhile, additional sample separation equipment is required to be prepared for sample separation, so that the detection cost is increased.

Disclosure of Invention

The present utility model aims to solve at least one of the technical problems existing in the prior art. Therefore, the utility model provides the dust sampler, which is used for collecting large-particle dust and fine dust separately in the sampling process, so that the detection flow is simplified.

A dust sampler according to an embodiment of the present utility model includes:

the device comprises a shell, a sampling device and a control device, wherein the shell is provided with an inner cavity, and the sampling device is communicated with the inner cavity;

the sampling box is arranged in the inner cavity, the sampling box is provided with an inlet, a first outlet and a second outlet, the inlet is communicated with the sampling device, a honeycomb pore plate is arranged in the sampling box, the inlet and the first outlet are positioned on one side of the honeycomb pore plate, the second outlet is positioned on the other side of the honeycomb pore plate, the first outlet is arranged at the lower end of the sampling box, a collecting bottle is arranged at the first outlet, a sampling pipeline is communicated with the second outlet, a collecting bag is arranged at the tail end of the sampling pipeline, and a negative pressure device is arranged on the sampling pipeline.

The dust sampler according to the embodiment of the utility model has at least the following beneficial effects: in the sampling process, large-particle dust is intercepted through the honeycomb pore plate, falls to the lower end of a sampling box under the action of gravity, and enters a sampling bottle for mobile phone, fine dust passes through the honeycomb pore plate under the action of a negative pressure device and enters a collecting bag through a sampling pipeline, so that the large-particle dust and the fine dust are distinguished in the sampling process, the subsequent detection is conveniently carried out respectively, and meanwhile, a sample separating device and a sample separating link are not required to be additionally arranged, so that the time and labor are saved.

According to some embodiments of the utility model, the honeycomb panel is disposed obliquely in the sampling box.

According to some embodiments of the utility model, the lower end of the sampling box is provided with a guide part, and the guide part is connected with a sampling bottle.

According to some embodiments of the utility model, the sampling bottle is threadably connected to the sampling box.

According to some embodiments of the utility model, the sampling device is arranged in a horn structure, the large end of the horn structure being arranged in a direction away from the housing.

According to some embodiments of the utility model, the cover further comprises a cover body, and the cover body is in snap connection with the shell.

According to some embodiments of the utility model, the cover is provided with a portable handle.

According to some embodiments of the utility model, the housing is further provided with a viewing window.

Additional aspects and advantages of the utility model will be set forth in part in the description which follows, and in part will be obvious from the description, or may be learned by practice of the utility model.

Drawings

The foregoing and/or additional aspects and advantages of the utility model will become apparent and may be better understood from the following description of embodiments taken in conjunction with the accompanying drawings in which:

FIG. 1 is a schematic diagram of a dust sampler according to an embodiment of the present utility model;

FIG. 2 is a cross-sectional view of the dust sampler shown in FIG. 1;

fig. 3 is an enlarged partial schematic view of the dust sampler shown in fig. 2.

A housing 100, a sampling device 110, an observation window 120;

cartridge 200, inlet 210, first outlet 220, second outlet 230, honeycomb panel 240, guide 250;

a sampling bottle 300;

a sampling pipe 400;

a collection bag 500;

a negative pressure device 600;

cover 700, portable handle 710.

Detailed Description

Embodiments of the present utility model are described in detail below, examples of which are illustrated in the accompanying drawings, wherein like or similar reference numerals refer to like or similar elements or elements having like or similar functions throughout. The embodiments described below by referring to the drawings are illustrative only and are not to be construed as limiting the utility model.

In the description of the present utility model, it should be understood that references to orientation descriptions such as upper, lower, front, rear, left, right, etc. are based on the orientation or positional relationship shown in the drawings, are merely for convenience of description of the present utility model and to simplify the description, and do not indicate or imply that the apparatus or elements referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus should not be construed as limiting the present utility model.

In the description of the present utility model, a number means one or more, a number means two or more, and greater than, less than, exceeding, etc. are understood to not include the present number, and above, below, within, etc. are understood to include the present number. The description of the first and second is for the purpose of distinguishing between technical features only and should not be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated or implicitly indicating the precedence of the technical features indicated.

In the description of the present utility model, unless explicitly defined otherwise, terms such as arrangement, installation, connection, etc. should be construed broadly and the specific meaning of the terms in the present utility model can be reasonably determined by a person skilled in the art in combination with the specific contents of the technical scheme.

Referring to fig. 1, a dust sampler according to an embodiment of a first aspect of the present utility model includes a housing 100, the housing 100 being provided with an inner cavity, a sampling device 110 being provided on the housing 100, the sampling device 110 being in communication with the inner cavity; the sampling box 200 is arranged in the inner cavity, the sampling box 200 is provided with an inlet 210, a first outlet 220 and a second outlet 230, the inlet 210 is communicated with the sampling device 110, a honeycomb pore plate 240 is arranged in the sampling box 200, the inlet 210 and the first outlet 220 are positioned on one side of the honeycomb pore plate 240, the second outlet 230 is positioned on the other side of the honeycomb pore plate 240, the first outlet 220 is arranged at the lower end of the sampling box 200, an acquisition bottle is arranged at the first outlet 220, the second outlet 230 is communicated with a sampling pipeline 400, the tail end of the sampling pipeline 400 is provided with a collecting bag 500, and the sampling pipeline 400 is provided with a negative pressure device 600.

The dust sampler according to the embodiment of the utility model has at least the following beneficial effects: in the sampling process, large-particle dust is intercepted by the honeycomb pore plate 240, falls to the lower end of the sampling box 200 under the action of gravity, enters the sampling bottle 300 for mobile phone, and fine dust passes through the honeycomb pore plate 240 under the action of the negative pressure device 600 and enters the collecting bag 500 through the sampling pipeline 400, so that the large-particle dust and the fine dust are distinguished in the sampling process, the subsequent detection is conveniently carried out respectively, and meanwhile, a sample separation device and a sample separation link are not required, so that time and labor are saved.

According to some embodiments of the present utility model, the honeycomb panel 240 is obliquely disposed in the sampling cartridge 200.

According to some embodiments of the present utility model, the lower end of the sampling cartridge 200 is provided with a guide 250, and the sampling bottle 300 is connected to the guide 250.

According to some embodiments of the present utility model, sampling bottle 300 is threadably coupled to sampling cartridge 200.

According to some embodiments of the utility model, the sampling device 110 is arranged in a horn configuration with the large end of the horn configuration being arranged in a direction away from the housing 100.

According to some embodiments of the present utility model, the cover 700 is further included, and the cover 700 is snap-coupled to the housing 100.

According to some embodiments of the utility model, a portable handle 710 is provided on the cover 700.

According to some embodiments of the utility model, a viewing window 120 is also provided on the housing 100.

The embodiments of the present utility model have been described in detail with reference to the accompanying drawings, but the present utility model is not limited to the above embodiments, and various changes can be made within the knowledge of one of ordinary skill in the art without departing from the spirit of the present utility model.

Claims

1. A dust sampler, comprising:

2. The dust sampler of claim 1, wherein the honeycomb panel is disposed obliquely in the sampling box.

3. The dust sampler of claim 1, wherein a guide portion is provided at a lower end of the sampling box, and the guide portion is connected to a sampling bottle.

4. A dust sampler according to claim 3, wherein the sampling bottle is threadably connected to the sampling box.

5. The dust sampler of claim 4, wherein the sampling device is configured as a horn structure with a large end disposed in a direction away from the housing.

6. The dust sampler of claim 4, further comprising a cover that snaps over the housing.

7. The dust sampler of claim 6, wherein the cover is provided with a portable handle.

8. The dust sampler of claim 4, wherein the housing is further provided with an observation window.