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Infrared thermal imaging type laser gas leak detection method and apparatus

A leak detection device and infrared thermal imaging technology, applied in the field of information, can solve problems such as natural gas leakage

Inactive Publication Date: 2014-10-29
BEIJING HANGXING NETWORKING
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Problems solved by technology

[0006] The purpose of the present invention is to overcome the deficiencies in the prior art, solve the problems encountered above, and provide an infrared thermal imaging laser natural gas leakage detection method and device, which can realize the on-site leakage point to be visible, and will not cause problems due to invisible leakage with the naked eye on weekdays. The explosion and other dangers caused by the detected problems can be minimized, and the thermal imaging can be displayed on the spot, and the detection concentration module can immediately alarm when the problem is found. Requirements for natural gas production sites such as natural gas pipelines and natural gas storage tanks

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  • Infrared thermal imaging type laser gas leak detection method and apparatus

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[0030] The present invention provides an infrared thermal imaging laser natural gas leakage detection method and device, comprising: an infrared thermal imaging module 1, a laser gas concentration detection module 6, an image display module 11, a button circuit board 12, a power supply module 13, an alarm module 14, Laser reflector 16 and central data storage 15; wherein, laser reflector 16 is installed on the key inspection area where natural gas leakage may occur; infrared thermal imaging module 1 consists of detector 2, optical system 3, temperature measurement module 4 and signal processing module 5; the laser gas concentration detection module 6 is composed of a concentration laser 7, a concentration light receiver 8, a digital module 9 and a main circuit board 10;

[0031] The laser gas concentration detection module 6 outputs a laser signal from the concentration laser 7 and reflects the light signal through the laser reflector 16; the concentration light receiver 8 rec...

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Abstract

An infrared thermal imaging type laser gas leak detection method and apparatus relates to the optoelectronic gas detection technology in the information technology field. The apparatus is composed of an infrared thermal imaging module, a laser gas concentration detection module, an image display module, a key circuit board, a power module, an alarm module, a laser reflection plate and a central data storage unit. Further provided is a field leak point concentration and thermal imaging data collection method applied with the system. The infrared thermal imaging type laser gas leak detection method and apparatus can obtain field monitor concentration and leak point thermal imaging so as to realize the synchronous field environment gas concentration and thermal imaging data collection.

Description

technical field [0001] The invention relates to the field of information technology, in particular to the laser gas detection technology of photoelectric technology. Background technique [0002] LNG is the English abbreviation of liquefied natural gas (liquefied natural gas), the main component is liquefied natural gas, the volume ratio of its volume to gaseous natural gas is about 1:600, but its weight is only about 45% of the same volume of water, so it is widely used in Urban pipeline network, wharf long transportation (LNG is stored in super-large LNG gas storage tanks and transported by sea), etc. At the same time, many natural gas chemical plants have production rooms dedicated to the production of LNG. [0003] In recent years, infrared gas detection technology has been applied in natural gas transportation, transit and processing to detect the leakage of natural gas. At present, the remote leakage detection methods for liquid transportation such as crude oil, refin...

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Application Information

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IPC IPC(8): G01M3/38G01N21/25
Inventor 张扬黄天顺李凤捷娄锐胡馨月石雯
Owner BEIJING HANGXING NETWORKING
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