2 results about "Piezoelectric quartz" patented technology

The application discloses a piezoelectric quartz vehicle load dynamic monitoring system and method based on visual identification and belongs to the technical field of vehicle dynamic weighing. The system comprises an image information data acquisition module, a charge signal data acquisition module, a database, a model management module, a real-time monitoring module and a warning module. The image information data acquisition module is used for acquiring image information data. The charge signal data acquisition module is used for acquiring charge signal data, calculating vehicle axle load and vehicle estimated total load. The database is used for storing historical data. The model management module is used for establishing a regional error analysis model and analyzing the influence of errors of each monitoring area on vehicle load dynamic monitoring results. The real-time monitoring module is used for outputting current vehicle estimated total load results. The warning module is used for real-time warning of overweight vehicles. The application compensates for errors of each monitoring area, thereby improving the weighing precision of vehicle load dynamic monitoring.

The application discloses an aero-engine bearing inner ring passive temperature measurement system and method, and relates to the technical field of aero-engine temperature measurement.The application uses a high-temperature-resistant composite piezoelectric quartz crystal resonator as a passive resonant temperature-sensitive unit, combines a non-contact coupling reading antenna and an advanced signal demodulation and temperature calculation module, and realizes high-precision, high-reliability and real-time measurement of the temperature of the bearing inner ring under all working conditions.The application not only overcomes the limitations of traditional temperature measurement methods, but also significantly improves the accuracy and reliability of temperature measurement data, provides strong support for the health management of aero-engines, and has the advantages of compact structure, convenient installation, long service life and the like, and has wide engineering application prospects and important economic value.