High-precision optical detection system for thermally induced micro-strain of energy storage battery

• Main Authors: SHEN XINING, WANG RUTIAN, LI CHENG, SHANG HAIKUN, ZHANG JIAWEI, WANG LI, LIU SHULIN, LIAO QIANGQIANG, WANG QIAN, LI YICANG
• Format: Patent
• Language: Chinese; English
• Published: 29.03.2022
• Subjects: MEASURING; MEASURING ANGLES; MEASURING AREAS; MEASURING IRREGULARITIES OF SURFACES OR CONTOURS; MEASURING LENGTH, THICKNESS OR SIMILAR LINEARDIMENSIONS; PHYSICS; TESTING

The utility model discloses a high-precision optical detection system for thermally induced micro-strain of an energy storage battery. The high-precision optical detection system comprises an optical fiber micro-strain sensor, a 3db coupler, a broadband light source, an optical signal demodulation m...