The invention relates to a high-frequency piezoelectric transduction vibration element, a high-frequency ultrasonic probe and a preparation method, and belongs to the technical field of measurement. The high-frequency piezoelectric transduction vibration element comprises a first electrode layer, a flexible piezoelectric transduction layer, a second electrode layer and a conductive epoxy solder mixture layer; the first electrode layer is connected with the front surface of the flexible piezoelectric transduction layer and is connected with a positive electrode lead; the upper surface of the second electrode layer is connected with the back surface of the flexible piezoelectric transduction layer and is connected with a negative electrode lead; and the lower surface of the second electrode layer is connected with the conductive epoxy solder mixture layer. The high-frequency piezoelectric transduction vibration element is used for a high-frequency ultrasonic probe, and the high-frequency ultrasonic probe can automatically and accurately detect the rail head defect of a steel rail online in real time.
本发明涉及一种高频压电换能振元、高频超声探头和制备方法,用于钢轨缺陷监测,属于测量技术领域。高频压电换能振元包括第一电极层、柔性压电换能层、第二电极层和导电环氧焊料混合剂层;所述第一电极层连接所述柔性压电换能层的正面,且连接有正极引线;所述第二电极层的上表面连接所述柔性压电换能层的背面,且连接有负极引线;所述第二电极层的下表面连接有所述导电环氧焊料混合剂层。本发明的高频压电换能振元用于高频超声探头,该高频超声探头能够对钢轨的轨头缺陷进行实时在线的自动化精确检测。
High-frequency piezoelectric transduction vibration element, high-frequency ultrasonic probe and preparation method
一种高频压电换能振元、高频超声探头和制备方法
20.09.2022
Patent
Elektronische Ressource
Chinesisch
IPC: | B61K Andere Hilfseinrichtungen für Eisenbahnen , OTHER AUXILIARY EQUIPMENT FOR RAILWAYS / H10N / G01N Untersuchen oder Analysieren von Stoffen durch Bestimmen ihrer chemischen oder physikalischen Eigenschaften , INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES |
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