Analysis of the Fault Causes of Wind Direction and Anemometer Sensors
The wind direction and wind speed recorder is developed using a wind direction and wind speed sensor. During the application process, the sensor may have some faults. The following is an analysis of the reasons for the faults of the wind direction and wind speed sensor:
(1) Wind speed sensor: inflexible rotation and jamming; The indicated wind speed is 0m/s; There is a significant deviation between the wind speed indication value and the electric wind speed indication value; The starting wind speed is significantly higher; Normal at low wind speeds, abnormal or significantly low at high wind speeds. When encountering the above situations, it can be analyzed as follows: measure the wind speed sensor with electricity, and if there is a fault, replace the sensor; If any jamming is found, disassemble the sensor for maintenance and cleaning or replace the sensor; The wind speed reading is 0m/s. Check if there are any issues with the cable and power supply system. Connect the backup device online and rotate the wind speed shaft. If the shaft rotates flexibly and there is no obvious noise, it indicates that the rotating part of the wind speed sensor is working normally. Check if there is data on the reading, and if there is data, check if other parts are working normally and there is no data. If there is a fault with the wind speed sensor, replace the sensor; Use a multimeter to detect any frequency changes between FS and ground in the outdoor signal transfer box. If not, the sensor is faulty; Use a wind direction and wind speed calibrator to verify whether the wind direction sensor is working properly.
(2) Wind direction sensor: The wind vane does not rotate flexibly or has jamming; The wind direction indication remains unchanged at 239 °; The wind direction indication is 0 °; There is a significant deviation between the wind direction indication value and the electrical wind direction indication value; Individual directional values of wind direction are incorrect; The wind vane rotates but the wind direction remains unchanged, and so on. Electrically measure the wind direction sensor. If there is a fault, replace the sensor; If any jamming is found, replace the sensor or disassemble the sensor for maintenance and cleaning; If 239 ° remains unchanged and the signal is open, check the connectors and cables; Check the cable and power supply system with a wind direction indication of 0 °; Connect the backup device online and rotate the wind vane. If the wind direction indicator can be rotated to 239 °, it indicates that the wind direction sensor is working properly. Check if other parts are working properly; Connect the backup device online, rotate the wind vane, and ensure that the wind direction indicator does not show 239 °. If there are also frequent jumping displays in other directions, it indicates that there are some damaged infrared light emitting diodes in the wind direction sensor. Check and repair them; Use a wind direction and wind speed calibrator to verify whether the wind direction sensor is working properly.
Perform fault analysis on the wind direction and wind speed sensor of the wind direction and wind speed recorder using the above methods. Through fault analysis, adopt the best method to solve the problem and ensure that the wind direction and wind speed recorder can accurately monitor changes in wind direction and wind speed during the monitoring process.
