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Open type laser/infrared gas monitoring instrument performance test system and test method

A gas monitoring and testing system technology, applied in the field of laser sensor performance testing, can solve problems such as the inability to effectively determine the performance indicators of laser gas concentration measurement sensors, achieve huge application value and promotion prospects, accurate measurement data, and wide applicability Effect

Pending Publication Date: 2021-11-30
CHINA MINMETALS CHANGSHA MINING RES INST
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0004] However, the above-mentioned measurement device has the technical defect that it cannot effectively and truly simulate the environmental test interference conditions such as environmental interference factors and detect and analyze the environmental test interference conditions, resulting in the inability to effectively determine the performance indicators of the laser gas concentration measurement sensor verification.

Method used

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  • Open type laser/infrared gas monitoring instrument performance test system and test method
  • Open type laser/infrared gas monitoring instrument performance test system and test method
  • Open type laser/infrared gas monitoring instrument performance test system and test method

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Embodiment 1

[0065] Embodiment 1 of the present invention provides an open laser / infrared gas monitoring instrument performance testing method, which uses the above-mentioned open laser / infrared gas monitoring instrument performance testing system for testing, when the dynamic performance testing device adopts a single chamber gas chamber , including the following steps:

[0066] S1. First, under the control of the console, the air supply device supplies air to the dynamic performance testing device 10, the interfering air chamber 20, and the conventional air chamber 30. The first chamber of the single chamber air chamber A containing chamber is filled with a gas to be tested with a predetermined concentration and a predetermined type; the interfering gas chamber cavity 21 is filled with a gas to be measured at a predetermined concentration and type, and then put coal powder in the interfering gas chamber 20 to adjust the speed of the adjustable speed fan. Rotating speed, so that coal powd...

Embodiment 2

[0072] Embodiment 2 of the present invention provides an open laser / infrared gas monitoring instrument performance testing method, using the above open laser / infrared gas monitoring instrument performance testing system for testing, when the dynamic performance testing device is a multi-chamber gas chamber , including the following steps:

[0073] A1. First, under the control of the console, the air supply device supplies air to the dynamic performance testing device 10, the interference air chamber 20 and the conventional air chamber 30, and the multi-chamber air chamber is composed of A plurality of independent gas chamber units 14 are formed, and the second accommodating cavity of each gas chamber unit 14 is filled with a gas to be tested with a predetermined concentration and a predetermined type; the interfering gas chamber cavity 21 is filled with a gas to be tested with a predetermined concentration and type , then put coal powder in the interfering gas chamber 20, adju...

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Abstract

The invention provides an open type laser / infrared gas monitoring instrument performance test system and a test method. The system comprises a dynamic performance test device, an interference gas chamber, a conventional gas chamber, a gas supply device for supplying gas to the dynamic performance test device, the interference gas chamber and the conventional gas chamber, a control console for measuring data display and gas path control, and a rail connected with the dynamic performance test device, the interference gas chamber and the conventional gas chamber in a sliding manner.

Description

technical field [0001] The invention relates to the technical field of laser sensor performance detection, in particular to an open laser / infrared gas monitoring instrument performance testing system and testing method. Background technique [0002] Laser sensors are new types of measuring instruments developed in recent years, but the detection and inspection methods for this type of sensors are still immature. The gas sensor verification devices currently on the market cannot effectively measure the comprehensive performance of laser / infrared gas concentration measurement sensors. [0003] The invention patent with application number CN202010656579.2 discloses a multi-level transient dynamic performance measurement device for a laser gas concentration measurement sensor. The measuring device includes a measuring part of a hollow cylinder structure, one end of the measuring part is blocked by a transparent material, and the other end is blocked by a transparent or opaque m...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G01N21/85
CPCG01N21/85G01N21/274G01N2021/8578
Inventor 曾怀灵刘逸忻宋君晗张明明王彬许人张立博赵祎刘东隆腾舞李龙梁龙何巍
Owner CHINA MINMETALS CHANGSHA MINING RES INST