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Single-sampling-rod double-channel atmospheric particulate monitor and monitoring method

An atmospheric particulate matter and sampling rod technology, which is used in particle suspension analysis, instruments, sampling, etc., can solve problems such as damage to filter paper and touch, and achieve the effect of improving test accuracy and reducing data fluctuations.

Active Publication Date: 2020-10-09
HEFEI FUTONG PHOTOELECTRIC TECH CO LTD
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  • Claims
  • Application Information

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Problems solved by technology

[0004] In view of the above-mentioned shortcomings of the prior art, the object of the present invention is to provide a single-sampling rod dual-channel atmospheric particle monitor and monitoring method for solving the problem in the prior art that the adjustment of the position of the sampling rod may touch or damage the filter paper

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  • Single-sampling-rod double-channel atmospheric particulate monitor and monitoring method
  • Single-sampling-rod double-channel atmospheric particulate monitor and monitoring method
  • Single-sampling-rod double-channel atmospheric particulate monitor and monitoring method

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Embodiment Construction

[0036] The implementation of the present invention will be illustrated by specific specific examples below, and those skilled in the art can easily understand other advantages and effects of the present invention from the contents disclosed in this specification.

[0037] It should be noted that the structures, proportions, sizes, etc. shown in the drawings attached to this specification are only used to match the content disclosed in the specification, for those who are familiar with this technology to understand and read, and are not used to limit the implementation of the present invention. Limiting conditions, so there is no technical substantive meaning, any modification of structure, change of proportional relationship or adjustment of size, without affecting the effect and purpose of the present invention, should still fall within the scope of the present invention. The disclosed technical content must be within the scope covered. At the same time, terms such as "upper"...

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Abstract

The invention provides a single-sampling-rod double-channel atmospheric particulate monitor and a monitoring method, and the monitoring method comprises the steps: adjusting the working distance between a sampling rod and a filter belt, and collecting the height of a calibration point through a first position sensor; collecting the basic height of the filter belt through a second sensor; obtainingan initial distance between the sampling rod and the filter belt according to the height of the convex block; setting a third motor parameter to move the sampling rod; taking the filter belt in the detection device as a detection area and measuring, and taking the obtained data as calibration data; returning the detection area to a position below the sampling rod for adsorption; turning off the air pump, the detection area enters the detection device again for detection, and the obtained data is adsorption data; and determining the particulate matter concentration of the detection area. The initial position of the sampling rod is detected, the initial distance between the sampling rod and the filter belt is determined, the third motor is controlled, it is guaranteed that the working distance between the sampling rod and the filter belt is the same during monitoring every time, and it is guaranteed that the sampling rod does not touch the surface of the filter belt during descending.

Description

technical field [0001] The invention belongs to the technical field of atmospheric particle monitoring, and relates to a monitoring method, in particular to a single-sampling-rod dual-channel atmospheric particle monitor and a monitoring method. Background technique [0002] In recent years, with the continuous advancement of urbanization and industrialization, atmospheric particulate matter has become the primary pollutant affecting the ambient air quality of my country's cities, especially in spring dust weather, autumn straw burning period and winter heating period. Particulate matter mainly refers to inhalable particulate matter (PM10 is the particle with an aerodynamic equivalent diameter of 10 μm or less) and fine particulate matter (PM2.5 is the particle with an aerodynamic equivalent diameter of 2.5 μm or less), which can be divided into primary particulate matter and secondary particulate matter. [0003] At present, during the measurement process of monitors on the...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G01N1/24G01N15/06
CPCG01N1/2205G01N1/2214G01N1/2202G01N1/2273G01N15/0625G01N15/06G01N2015/0681G01N15/075Y02A50/20
Inventor 李保生杜亚举
Owner HEFEI FUTONG PHOTOELECTRIC TECH CO LTD
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