Sensor for monitoring noise of oil-immersed transformer
An acoustic sensor, transformer oil technology, applied in the measurement of ultrasonic/sonic/infrasonic waves, instruments, measuring devices, etc., can solve the problems of sensor failure performance, inability to directly apply transformer oil, changes, etc., to achieve the effect of real-time monitoring performance
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[0019] In order to make the purpose, technical solutions and advantages of the embodiments of the present invention clearer, the technical solutions in the embodiments of the present invention will be clearly described below in conjunction with the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are the Some, but not all, embodiments are invented. Based on the embodiments of the present invention, all other embodiments obtained by persons of ordinary skill in the art without making creative efforts belong to the protection scope of the present invention.
[0020] figure 1 The structural diagram of the acoustic sensor provided for the embodiment of the present invention, as figure 1 As shown, the acoustic sensor includes: a fastening frame 1 , a piezoelectric ceramic tube 2 , a bushing 3 , a high temperature and transformer oil resistant material 4 , a thermistor 9 and an insulating pad 10 . The piezoelectric ceramic tub...
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