Sensor Assembly for a Sensor, Sensor, and Measuring System Formed Therewith

A sensor assembly for a sensor, especially for a sensor for registering pressure fluctuations in a Kármán vortex street formed in a flowing fluid, which sensor assembly comprises:

• a bowl shaped, namely at least sectionally dished, membrane, with a curved, first surface and an oppositely lying, second surface, especially a curved, second surface and/or a second surface at least partially parallel and/or at least partially non parallel, to the first surface;
• and
• a sensor blade extending from said first surface of said membrane, especially a rod-shaped or plate-shaped or wedge-shaped, sensor blade, wherein:
• said membrane is so formed that at least one region of said first surface adjoining said sensor blade is convex.

A sensor for registering pressure fluctuations in a flowing fluid, especially for registering pressure fluctuations in a Kármán vortex street formed in the flowing fluid, which sensor comprises:

• a sensor assembly comprising:
• a sensor assembly for a sensor, especially for a sensor for registering pressure fluctuations in a Kármán vortex street formed in a flowing fluid, which sensor assembly comprises:
• a bowl shaped, namely at least sectionally dished, membrane, with a curved, first surface and an oppositely lying, second surface, especially a curved, second surface and/or a second surface at least partially parallel and/or at least partially non parallel, to the first surface;
• and
• a sensor blade extending from said first surface of said membrane, especially a rod-shaped or plate-shaped or wedge-shaped, sensor blade, wherein:
• said membrane is so formed that at least one region of said first surface adjoining said sensor blade is convex;
• and
• a transducer element for generating a sensor signal, especially an electrical or optical, sensor signal, representing movements of said sensor blade changing as a function of time, especially movements, which are at least at times periodic, and/or deformations of said membrane changing as a function of time, especially deformations, which are at least at times periodic.

A measuring system for measuring at least one flow parameter, especially a flow parameter varying as a function of time, especially a flow velocity and/or a volume flow rate, of a fluid flowing in a pipeline, which measuring system comprises:

• a sensor, comprising:
• a sensor for registering pressure fluctuations in a flowing fluid, especially for registering pressure fluctuations in a Kármán vortex street formed in the flowing fluid, which sensor comprises:
• a sensor assembly comprising:
• a sensor assembly for a sensor, especially for a sensor for registering pressure fluctuations in a Kármán vortex street formed in a flowing fluid, which sensor assembly comprises:
• a bowl shaped, namely at least sectionally dished, membrane, with a curved, first surface and an oppositely lying, second surface, especially a curved, second surface and/or a second surface at least partially parallel and/or at least partially non parallel, to the first surface;
• and a sensor blade extending from said first surface of said membrane, especially a rod-shaped or plate-shaped or wedge-shaped, sensor blade, wherein:
• said membrane is so formed that at least one region of said first surface adjoining said sensor blade is convex;
• and a transducer element for generating a sensor signal, especially an electrical or optical, sensor signal, representing movements of said sensor blade changing as a function of time, especially movements, which are at least at times periodic, and/or deformations of said membrane changing as a function of time, especially deformations, which are at least at times periodic for registering pressure fluctuations in the flowing fluid, especially for registering pressure fluctuations in a Kármán vortex street formed in the fluid flowing;
• and
• measuring electronics, which is adapted to receive said sensor signal and to process such, especially to generate measured values representing at least one flow parameter.