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Multi-channel air sampling device and method

An air sampling, multi-channel technology, applied in sampling devices, measuring devices, sampling and other directions, can solve the problems of inability to meet the requirements of remote control for multiple sampling, small payload, short battery life, etc. simple effect

Pending Publication Date: 2021-08-10
XIAMEN UNIV
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

The above-mentioned conventional particle samplers and gas samplers are not suitable to be mounted on unmanned aerial vehicles with short endurance and small payload, and the existing samplers cannot meet the requirements of remote control and multiple sampling during the flight of unmanned aerial vehicles

Method used

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  • Multi-channel air sampling device and method
  • Multi-channel air sampling device and method

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Embodiment Construction

[0030] The invention is further described below with reference to the specific embodiments.

[0031] See figure 1 and figure 2 As shown, a multi-channel air sampling apparatus, comprising: a splitter 2, a plurality of sampling members, a control module, and a vacuum pump 5; the splitter 2 includes an intake nozzle 15 and a plurality of air nozzles 17, the shunt 2 The number of outlets is greater than the number equal to the sampling component; the sampling member includes an inlet and an air nozzle; the air supply of the shunt 2 is connected to the outside air through the intake pipe 1; One outlet of the divider 2 is coupled to the air supply of one of the sampling members; the outlet of the sampling member is connected to the control module, the control module connected to the vacuum pump 5 to control designation Sampling parts are collected or stopped collection.

[0032] In this embodiment, the control module includes a plurality of solenoid valves 4, several relays 7, and a ma...

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PUM

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Abstract

The invention discloses a multi-channel air sampling device and method. The multi-channel air sampling device comprises a flow divider, a plurality of sampling components, a control module and a vacuum pump, wherein the flow divider comprises a gas inlet nozzle and a plurality of gas outlet nozzles, the number of the gas outlet nozzles of the flow divider is greater than or equal to that of the sampling components, the sampling component comprises a gas inlet nozzle and a gas outlet nozzle, the gas inlet nozzle of the flow divider is connected with external air through a gas inlet pipe, one gas outlet nozzle of the flow divider is connected with one gas inlet nozzle of the sampling component, the gas outlet nozzle of the sampling componentis connected with the control module, and the control module is connected with the vacuum pump so as to control the specified sampling componentto carry out collection or stop collection. According to the invention, atmospheric particulate samples or volatile organic gases in different particle size ranges can be collected for multiple times through remote control, and the sampling requirement of the unmanned aerial vehicle is met.

Description

Technical field [0001] The present invention relates to the field of air sampling, particularly a multi-channel air sampling apparatus and method. Background technique [0002] Restrictions on the monitoring means of atmospheric environment, observations and research of the spatial distribution characteristics of atmospheric pollutants in the boundary layer have deleted. In recent years, the emergence of drone atmospheric observation platforms solves the problem of monitoring blind spots within boundary layers, and combines drone and micro-sensors to perform three-dimensional stereoscopic observations for atmospheric boundary layers. However, there are currently mostly to use drones to conduct atmospheric pollutants to determine the concentration of pollutants and cannot be analyzed for subsequent laboratory. There is less research on the morphology and chemical composition of atmospheric particulate matter, mainly due to the limitations of sampling tools. Most of the existing pa...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G01N1/24G01N1/22
CPCG01N1/2202G01N1/2273
Inventor 汪冰冰卢聚滢杨露邓婷曹福青
Owner XIAMEN UNIV
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