How it works:Piezoelectric pressure sensors use the piezoelectric effect to measure pressure. The piezoelectric effect refers to the phenomenon that produces the accumulation of electric charges when a substance is subjected to pressure. When a piezoelectric element is subjected to external pressure, a change in charge occurs, and the magnitude of the pressure can be determined by measuring the change in charge.
These sensors are commonly used in industrial automation, automotive, medical devices, and consumer electronics.
1. Industry: In the industrial sector, they are commonly used to measure the pressure of liquids or gases, to monitor the pressure of pipes and vessels.
2. Cars: In the automotive sector, piezoelectric pressure sensors are used to measure pressure in engine and brake systems.
3. Medical treatment: This sensor is used in medical devices to monitor blood pressure and other physiological parameters.
4. Electronic equipmentPiezoelectric pressure sensors can also be embedded in consumer electronics such as mobile phones and smart watches to measure pressure on touchscreens or to implement gesture control functions.
Commonly used in piezoelectric pressure sensorsPiezoelectric materials: Including piezoelectric crystals and piezoelectric ceramics. Common piezoelectric crystals include quartz crystals and synthetic crystals, while common piezoelectric ceramics include zirconium titanate and barium titanate ceramics, among others. These piezoelectric materials generate an electrical charge when subjected to pressure or deformation, which are utilized in piezoelectric sensors to generate an electrical signal proportional to the pressure applied.