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Applications of Piezoelectric ceramic transducer

Views:6     Author:Site Editor     Publish Time: 2018-01-22      Origin:Site

 Applications of Piezoelectric ceramic transducer

                       Applications of Piezoelectric ceramic transducer


Piezoelectric ceramic as a transducer,its application of ultrasonic piezoelectric transducer of is broader than the oscillator. Piezoelectric transducers are one of them. They are underwater acoustic devices that emit and receive ultrasound underwater. They are also widely used in industries as ultrasonic cleaning, ultrasonic precision machining, ultrasonic humidification and ultrasonic diagnostics. Another capacitive piezoelectric transducer is widely used area for today's piezo-ultrasonic transducers that is telemetry and remote control systems such as remote-controlled TV channel switching systems, automatic control of parking time recorders, and more. The specific application examples are piezoelectric ceramic buzzer, ultrasonic welding piezoelectric,piezoelectric ignition, ultrasonic microscope, etc. which have been widely used. In the future to solve the problem is to achieve high power, high efficiency, high reliability, therefore, the need for further study of the new piezoelectric materials and structures,pzt piezoelectric transducer gets a greater boost ratio and higher conversion efficiency. If you do not consider the size of the piezoelectric transformer, ultrasonic cleaning ultrasonic trasducer,increase power, used in negative ion generator and other electrical equipment.Practice has proved that the use of technology to produce multi-layer T, piezoelectric ceramic transformers can meet the market notebook UI machine IV backlight requirements. Low-temperature sintering technology of ultrasonic piezo transducer more and more attention. Low-temperature sintering can not only reduce the volatility, thus ensuring the chemical composition of components of the accuracy, and the history will greatly reduce the pollution of the environment. China's Tsinghua University, Li Long soil et al glass frit as an additive, so that the sintering temperature UYE porcelain of piezoelectric transducers for wind velocity reduced from the original ABZ to about CBZ, while the sintered porcelain piezoelectric properties and stability than the original in the ABZ fired porcelain Not only did not reduce the performance, but also improved. This porcelain has been successfully used to make a high step-up ratio monolithic ceramic transformer, the AC no-load boost up to BBB above Q \ S. In addition, piezo ceramic discs wire leads are under the improvement of people's awareness of environmental protection, lead-based piezoelectric ceramics of thickness mode vibration are being replaced by lead-free piezoelectric ceramics step by step, and the research and application of lead-free piezoelectric ceramics have also become the hot spots currently developed. which has developed a series of HK ceramic niobate ceramics, bismuth layered piezoelectric ceramics, titanate ceramics and a series of lead-free piezoelectric ceramics, the performance has been a great breakthrough. According to "International Electronic Business" reported that all electronic products are lead-free QBS. And some countries have also legislated against the use of lead-containing piezoelectric ferroelectric materials. Therefore, from the perspective of pzt material piezoelectric rings, looking for alternative lead-free piezoelectric ceramic materials is a very necessary and urgent issue.


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