Wireless ultra-low power consumption acoustic emission multi-parameter detector

• Main Authors: PAN GANG, ZHANG LONGGE, YUAN YUAN, JANG, JI-HO, YANG MINZHI, WANG YUZHU, JIANG JIAJIE, ZHU LIANG, XU YUTING, WU MING, XIA YONGQIANG, LIN HAIBO, PAN YING, YANG BIN, ZHOU YILING, GUO ZHONGYUAN, CHEN HEHU
• Format: Patent
• Language: Chinese; English
• Published: 29.12.2023
• Subjects: INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIRCHEMICAL OR PHYSICAL PROPERTIES; MEASURING; PHYSICS; TESTING

The invention discloses a wireless ultra-low power consumption acoustic emission multi-parameter detector, which comprises a detector, and the detector comprises a front frequency selection amplification circuit, a peak detection circuit, an amplitude holding circuit, a background noise detection circuit, a ringing detection circuit, an upper limit wake-up circuit, an Internet of Things terminal, a piezoelectric sensing element and a power supply battery. The detector is a combination of an ultra-low power consumption electronic unit circuit and a wireless Internet of Things terminal, and the peak detection circuit comprises a high-speed comparator, a high-frequency detection diode, a partial pressure feedback resistor and a holding capacitor element. According to the invention, a wireless ultra-low power consumption and acoustic emission multi-parameter detector setting mode is utilized, the permanent installation of multiple sensors requires that the sensors have compact structure and convenience in install