Wind anemometer sensor failure analysis
Wind direction and wind speed recorder is the use of wind direction and wind speed sensor and research and development, in the process of using the sensor may appear some faults, the following is the wind direction and wind speed recorder sensor failure causes analysis:
(1) wind speed sensor: rotation is not flexible, there is a stagnation; wind speed display value of 0m / s; wind speed display value and electric connection wind speed indicator value compared with the obvious deviation; starting wind speed is obviously high; low wind speed is normal, the wind speed is not normal or obviously low. When encountering the above situation can be so analysed, charged to measure the wind speed sensor, if there is a failure, replace the sensor; found that there is a stagnation phenomenon, dismantle the sensor for maintenance and cleaning or replacement of the sensor; the wind speed indicator value of 0m/s, check the cable and power supply system for problems, with backup equipment on-line, rotate the wind speed shaft, if the shaft is flexible, no obvious noise, it means that the wind speed sensor rotating! Part of the work is normal, check the value of the data, data to check whether the other parts of the work is normal, no data, then the wind speed sensing fault, replace the sensor; using a multimeter to detect the outdoor signal adapter box in the FS and the ground between the frequency of change, there is no sensor is faulty; with the wind wind speed calibrator to check the wind speed sensor work is normal.
(2) wind direction sensor: wind direction indicator rotation is not flexible, there is stagnation; wind direction value of 239 ° unchanged; wind direction value of 0 °; wind direction value and electric connection wind direction indicator value comparison has obvious deviation; wind direction of the individual azimuth value is not correct; wind direction indicator rotation, but the wind direction value is unchanged and so on. Measure the wind direction sensor with electricity, if there is a fault, replace the sensor; found that there is a stagnation phenomenon, replace the sensor or disassemble the sensor for maintenance and cleaning; if 239 ° unchanged, the signal is open, check the connectors and cables; the wind direction value of 0 ° to check the cable and the power supply system; back-up equipment on-line, rotate the wind vane, if you can rotate to make the wind direction value of 239 °, it shows that the wind direction sensor Work normally, then check whether other parts of the work is normal; with backup equipment online, turn the wind vane, always the wind direction does not appear 239 °, other directions also often appear to jump display, then the wind sensor in individual infrared light-emitting diode is bad, check and repair; with the wind wind speed calibrator to check whether the wind sensor is working properly.
Through the above methods of wind direction and wind speed recorder for wind direction and wind speed sensor failure analysis, through the fault analysis, to take the best way to solve the problem, to ensure that the wind direction and wind speed instrument in the monitoring process can be done accurately monitor the wind direction and wind speed changes.
