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Atmospheric particulate sampler

An atmospheric particulate matter and sampler technology, applied in sampling, instruments, scientific instruments, etc., can solve problems such as rising labor costs, and achieve the effect of solving labor shortage and automatic control of equipment

Inactive Publication Date: 2021-02-02
HANGZHOU VOCATIONAL & TECHN COLLEGE
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  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

[0003] With the development of scientific research, the demand for scientific research personnel is also increasing, and labor costs have risen sharply

Method used

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Embodiment Construction

[0029]The present invention will be further described in detail below in conjunction with the drawings and embodiments. The same parts are indicated by the same reference numerals. It should be noted that the words "front", "rear", "left", "right", "upper" and "lower" used in the following description refer to the directions in the drawings, and the words "bottom" and "top" "Face", "inner" and "outer" respectively refer to directions toward or away from the geometric center of a particular component.

[0030]ReferenceFigure 1-9As shown, an atmospheric particulate matter sampler includes an air inlet pipe 1 for communicating with the atmosphere, an installation table 2 arranged at the air outlet end of the air inlet pipe 1, and a fan device 3 for inducing air under the installation table 2 , The air outlet end of the air inlet pipe 1 is connected with a wind hood 11 for sealing sampling, one end of the air hood 11 is sealed to the air outlet end of the air inlet pipe 1, and the other en...

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Abstract

An atmospheric particulate sampler is disclosed, and is characterized by comprising an air inlet pipeline, a mounting table top and a fan device, the air outlet end of the air inlet pipeline is connected with a sampling mechanism, a transmission mechanism and a driving mechanism are arranged on the mounting table top, and the fan device comprises a case and an air inducing device; the driving mechanism drives the sampling mechanism to ascend and descend to achieve switching between opening and closing of the transmission mechanism and opening and closing of the air inducing device in order toachieve automatic film changing and automatic sampling, the air inducing device comprises a variable-frequency fan, an air inducing pipeline and an air speed control assembly, a flow detection assembly is arranged in the air inducing pipeline, and the air speed control assembly adjusts the rotating speed of the variable-frequency fan according to data fed back by the flow detection assembly to control air duct flow. By means of the sampler, researchers can execute sampling and analysis research work in an area far away from a high-risk sampling area, one person can control multiple devices toconduct scientific research at the same time, the problem of automatic control over the devices is solved, and the problem of labor shortage is also solved.

Description

Technical field[0001]The invention relates to the field of atmospheric environment monitoring, more specifically, it relates to an atmospheric particulate matter sampler.Background technique[0002]As nuclear safety issues become increasingly prominent in the current society, various sampling and monitoring tasks for nuclear leakage and nuclear radiation are particularly important, including sampling and research on multiple objects such as the atmosphere, water, and soil. Among them, atmospheric sampling is an important part of nuclear safety monitoring. At present, the country is stepping up efforts to promote research in the fields of nuclear safety monitoring and nuclear safety analysis. Radiation stations and affiliated monitoring stations have been successively established in various regions of the country. The radiation station needs to be equipped with sampling equipment such as dry and wet precipitation, atmospheric iodine sampler, atmospheric aerosol sampler, etc., as well a...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G01N1/22G01F1/36
CPCG01F1/36G01N1/2214
Inventor 林海平柳世波
Owner HANGZHOU VOCATIONAL & TECHN COLLEGE
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