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Piezoelectric ceramic bimorph

Piezoelectric ceramic bimorph
Piezoelectric ceramic bimorph
Structure and working principle of the piezoelectric bimorph

The piezoelectric bimorph as shown is constituted by two single-wafer and a glass fiber or carbon fiber sandwich.

Due to the inverse piezoelectric effect of the piezoelectric ceramics, when the positive voltage is applied to the bimorph, the two piezoelectric ceramic having the opposite direction of polarization, the electric field direction and the polarization direction of the both surfaces of the side of the same, contrary to the direction of the electric field and the polarization direction of the other side, that is a party to do the expansion vibration, the other side do shrink bending vibration bimorph amplitude change a lot. Produce displacement. When applied negative voltage when the upper and lower surface of the vibration of the ceramic sheet are opposite to the last.
Piezoelectric ceramic bimorph

Specifications Dimensions

Standard sizes as shown above.

Various other specifications can be customized according to user needs

工作电压
(DCV)
振动频率
(Hz)
位移量
 (μm)
140
3.5
1759
160
3.5
2026
180
3.5
2385
140
8.0
1985
160
8.0
2103
180
8.0
2544
140
11.5
2276
160
11.5
2597
180
11.5
2892

Piezoelectric ceramic bimorph Applications
To produce the characteristics of the electrical signal may be applied in many fields such electricity generating displacement and the minute displacement of the piezoelectric bimorph
1, textile machinery needle selection device, such as the Jacquard comb, needle selection, etc.
2, car piezoelectric fluid valve
3, the medical instrument, such as ultrasonic detectors, insulin pumps, collagen promotion, etc.
4 small piezoelectric pump
Energy harvesting power generation device
6, Braille Typewriters,Piezoelectric ceramic bimorph


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