Piezoelectric hospital call signal generator
A call signal and generator technology, applied in piezoelectric effect/electrostrictive or magnetostrictive motors, electrical components, generators/motors, etc., can solve problems such as crushing, achieve uniform stress changes and environmental adaptability Strong, good power generation effect
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[0014] An upper cover a with a through hole is installed on the end of the side wall r of the housing through screws, and a circuit board c is installed on the upper cover a through a gasket d and screws, and the circuit board c is provided with an energy conversion circuit and a signal transmission system; the housing A base s is installed on the side wall r through screws, and a group of piezoelectric vibrators b are installed on the base s through a pressure plate u and screws. Each piezoelectric vibrator b is separated by a partition t. An arc-shaped structure formed by bonding b1 and piezoelectric sheet b2, the bending radius of the substrate b1 is smaller than the bending radius of the piezoelectric sheet b2, and the piezoelectric sheet b2 is installed close to the base s, that is, the piezoelectric sheet b2 is located below the substrate b1; A guide rod x is installed in the square sinker of the bottom wall q of the housing, and a return spring m, a lower short rigid blo...
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