Gas leakage detection method and system

• Main Authors: CHEN WEI, HE WEI, LIU PENG, ZHANG HANLONG, CHEN LIANGPEI, FANG HAOHUA, JIAO GUOHUA, TAN YUGUANG, LUO DONG, ZHAO QI, NIE XIAOXI
• Format: Patent
• Language: Chinese; English
• Published: 16.06.2023
• Subjects: INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIRCHEMICAL OR PHYSICAL PROPERTIES; MEASURING; PHYSICS; TESTING

The invention relates to a gas leakage detection method and system. The gas leakage detection method comprises the following steps: establishing a gas absorption characteristic peak library; dividing sub-band intervals according to the gas absorption characteristic peak library, forming a coding library according to the sub-band intervals where the gas absorption characteristic peaks are located, and correspondingly designing a filter group according to the sub-band intervals; according to the absorption characteristics of the target gas under the filter group, coding the target gas, and comparing a coding result with a coding library to judge the type of the target gas; and obtaining an infrared image and a visual image at the same time, carrying out target detection, and fusing target detection results of the infrared image and the visible light image to obtain an area of the target gas cloud cluster. The method and the device have the advantages that various kinds of leaked gas can be conveniently identifi