An outdoor air quality monitoring device with sample collection and storage functions

Abstract

The invention discloses an outdoor air quality monitoring device with sample collection and storage functions, and specifically relates to the technical field of air monitoring, including a mounting substrate, a placement slot is opened on the top of the mounting substrate, and a power module is fixedly connected to the placement slot. A sample collection mechanism is provided on one side of the placement tank. The present invention connects two air passages through the collection tube. When the solenoid valve is closed, the micro-air pump is started, and the air passes through the vent and passes through the inside of the collection tube, and is transported to the monitoring mechanism to monitor the air quality. When the air needs to be sampled, Simultaneously start two electric push rods to make the sealing rod close the vent, close the collection tube to seal the collected air, and open the solenoid valve at the same time, so that the air can be normally transmitted from the vent pipe, so that the air can be continuously monitored in real time, and the closed door can be opened. The sample is collected and taken out, which is convenient to use. Compared with the existing technology, it can meet the requirements of sample collection and storage while monitoring the air quality.

Description

technical field [0001] The invention relates to the technical field of air monitoring, and more specifically, the invention relates to an outdoor air quality monitoring device with the function of collecting and storing samples. Background technique [0002] Air pollution has become the key object of national environmental testing. How to detect chemical elements and harmful substances in gas is the focus of solving air pollution. [0003] At present, there are two main types of gas samplers on the market. One is the electronic gas sampler, which has the advantages of compact rhythm, small size, stable and reliable performance, etc., but it is mainly suitable for gas collection in a large and uniform gas environment. The collection effect of second-hand smoke, automobile exhaust and other gases in a small range is not ideal; the other is the traditional needle-tube gas sampler, which has the advantages of fast collection speed and simple operation, but it cannot be used as a...

AI Technical Summary

Problems solved by technology

[0003] At present, there are two main types of gas samplers on the market. One is the electronic gas sampler, which has the advantages of compact rhythm, small size, stable and reliable performance, etc., but it is mainly suitable for gas collection in a large and uniform gas environment. The collection effect of second-hand smoke, automobile exhaust and other gases in a small range is not ideal; the other is the traditional needle-tube gas sampler, which has the advantages of fast collection speed and simple operation, but it cannot be used as a container for storing gas. Therefore, it is necessary to put the gas into the storage container. In this process, it will inevitably pollute the collected gas and affect the subsequent test results. It cannot meet the needs of actual use, and it cannot meet the monitoring of air quality while collecting and storing samples.

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