Vibrating-type material level switch suitable for flammable and explosive environment with high temperature and high pressure
A flammable, explosive, high temperature and high pressure technology, applied in the direction of displaying liquid level indicators through pressure measurement, can solve the problems of inability to use, reduce the strength of the level gauge, and not suitable for use in flammable and explosive environments, and achieve high reliability , Improve the effect of reliability and applicability
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[0029] A vibrating type level switch suitable for high temperature, high pressure, flammable and explosive environment, including: vibrating head 1, vibrating rod 2, lead electrode 3, piezoelectric ceramic 4, pressure wire copper sheet 5, pressure copper pillar 6, Electrode lead 7, mounting base 8, vibrating rod copper sleeve 9, supporting copper column 10, transfer circuit board 11, compression screw 12;
[0030] The material of the compressed copper column 6 is brass, and its upper end surface is in the form of a slotted screw to facilitate the use of a screwdriver; its lower end surface is a smooth plane as large as the piezoelectric ceramic 4; the inner side of the lower end of the compressed copper column 6 With internal threads, it is matched with the screw on the rear surface of the vibrating head 1 to fasten the piezoelectric ceramic 4 between the compacted copper column 6 and the vibrating head 1 to achieve a tight fit; the lead electrode 3 is a round copper sheet with an...
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