Induction energy extraction type oil quality sensing device based on surface acoustic wave principle

• Main Authors: DING HAIHUA, ZHANG YIJUN, GAO JIUGUO, JIN GUOLIANG, HE YIN, ZHENG CHENG, ZHOU JUNJIE, HE FENG
• Format: Patent
• Language: English
• Published: 25.02.2015
• Subjects: INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIRCHEMICAL OR PHYSICAL PROPERTIES; MEASURING; PHYSICS; TESTING

The utility model discloses an induction energy extraction type oil quality sensing device based on the surface acoustic wave principle. The induction energy extraction type oil quality sensing device comprises a source supply device and an oil quality sensing unit, the oil quality sensing unit comprises a quartz crystal and interdigital transducers arranged at the input end and the output end of the quartz crystal, the source supply device is formed by an induction energy extraction device, a rectification and voltage stabilization unit and a storage battery, the induction energy extraction device is an electric field energy collection device, the electric field energy collection device collects high voltage line coupling energy generated in the environment and converts the high voltage line coupling energy into electric energy, the rectification and voltage stabilization unit conducts rectification and voltage stabilization on the electric energy, and then the electric energy is stored in the storage battery and supplies electricity to the oil quality sensing unit. The induction energy extraction type oil quality sensing device has extremely high reliability and stability.