Transduseri Çabdar: E çi ye? (Pêşkeft û Nakeft)

Çi ye Transducer Oscillator e

Transducer oscillator û pêş deyîn ku dikarin bi taybetmendiyekî li ser binihêrên force, pressure, an displacement hatine pêkhatin da ku bi taybetmendiyekî di vîltmetir de hatine mînan. Transducer oscillator zûtik li ser transducerên duyemîn hatine bikar anîn, û output yekan bi input quantity hatine standarde kirin. Transducer oscillatory ji wan parçeyên din amade ye

• Mechanical linkage

• Oscillator

• Frequency modulator

• Force summing member

Mechanical linkage: Ev bi taybetmendiyekî li ser input quantity hatine girîngkirin da ku transducer duyemîn, ya ku oscillator transducer e, bi taybetmendiyekî hatine aktivekirin. Dikare gear an sistemên din ên linkage bike.

Oscillator: Wêstû oscillator bi taybetmendiyekî li ser generate desired frequency bikar anîn. Oscillator yekan li ser LC tank/circuit amade ye. Output frequency bi taybetmendiyekî li ser input source hatine generate kirin.

Frequency Modulator: Output frequency ji oscillator dibe ku hewceyê modification bi taybetmendiyekî li ser telemetry purpose. Modulation ev bi taybetmendiyekî li ser frequency modulator hatine achieve kirin. Pas modulation, output frequency li ser telemetry purpose hatine şopandî.

Force Summing Member: Ev bi taybetmendiyekî li ser capacitance an inductance of an LC oscillator circuit hatine guherandînin. Ev pressure bi taybetmendiyekî li ser mechanical linkage hatine transfer kirin.

Kerdena Transducer Oscillator

Kerdena transducer oscillator bi taybetmendiyekî li ser figure hatine şopandînin:

• Quantity to be measured like pressure li ser force summing device hatine apply kirin, ku ev pressure bi taybetmendiyekî li ser mechanical linkage hatine transfer kirin.

• Mechanical linkage bi taybetmendiyekî li ser magnitude of the pressure hatine respond kirin.

• Mechanical linkage drives the dielectric medium inside the capacitor.

• Movement of the dielectric medium inside the capacitor tends to change the capacitance.

• Frequency of oscillator depends on capacitance and inductance. In case of change of any of these quantities the frequency changes.

• Output of oscillator is a modulated output and can be modulated and calibrated in terms of pressure or force applied.

Berdestanên Transducer Oscillator

• Ev transducer measures both dynamic and static phenomena.

• Ev transducer is very useful for telemetry applications.

Misberdestanên Transducer Oscillator

• Ev transducer has very hunted temperature range.

• It has a poor thermal stability.

• It has a low accuracy and therefore is used only in low accuracy applications.

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