Tachometric Cup Anemometer with Wind Direction Indicator and Fibre-Optic Signal Transmission

Area of Science:

• Instrumentation and Measurement
• Environmental Monitoring
• Mechanical Engineering

Background:

• Traditional anemometers often rely on electronic components, limiting their use in extreme conditions.
• Harsh environments, including those with electromagnetic interference or explosive potential, require specialized wind measurement tools.
• Existing technologies may not offer the required durability and intrinsic safety for all applications.

Purpose of the Study:

• To present an innovative tachometric anemometer design.
• To develop a wind measurement device free of electronics in the sensing area.
• To enable wind velocity and direction measurement in challenging environmental conditions.

Main Methods:

• Design and implementation of an optical-mechanical transducer.
• Utilizing light pulse signal generation where frequency indicates velocity and duty cycle indicates direction.
• Employing fiber optic transmission to relay signals to a remote measuring station.

Main Results:

• The developed anemometer operates without power or electronics in the measurement zone.
• The optical-mechanical transducer successfully generates signals proportional to wind velocity and direction.
• The device demonstrates robustness and resistance to adverse environmental factors.

Conclusions:

• The electronic-free tachometric anemometer is suitable for extreme operating conditions, including hazardous and military applications.
• The innovative optical-mechanical transducer provides a reliable method for measuring wind parameters.
• The simple, durable design offers a practical solution for wind measurement in challenging environments.