Built-in pipeline damage detection system and detection method thereof

• Main Authors: DAI CHUNHUI, LI SHAODAN, CHEN LIE, LAO XINGSHENG, DAI LU, YANG XIAOHU, MA CAN, SONG PING, KE HANBING, LIU YONG, LIU CHUNLIN
• Format: Patent
• Language: Chinese; English
• Published: 17.09.2021
• Subjects: BLASTING; HEATING; INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIRCHEMICAL OR PHYSICAL PROPERTIES; LIGHTING; MEASURING; MECHANICAL ENGINEERING; PHYSICS; PIPE-LINE SYSTEMS; PIPE-LINES; STORING OF DISTRIBUTING GASES OR LIQUIDS; TESTING; WEAPONS

The invention provides a built-in pipeline damage detection system and a detection method thereof. The built-in pipeline damage detection system comprises at least two pipeline damage detection devices; the plurality of pipeline damage detection devices are arranged in a detected pipeline at intervals; each pipeline damage detection device comprises a hydraulic pipe and detection structures; the hydraulic pipe comprises a hydraulic main pipe and hydraulic branch pipes, the hydraulic branch pipes are arranged on the hydraulic main pipe, the hydraulic main pipe is further provided with a liquid injection pipe, and the hydraulic main pipe is arranged in a detected pipeline; the hydraulic branch pipes deviate from an end opening of the hydraulic main pipe and are arranged towards the inner wall of the detected pipeline; and each detection structure comprises a piston head and a piezoelectric sensor, the piston head is movably arranged in the corresponding hydraulic branch pipe, and the piezoelectric sensor is arr