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Application of Ultrasonic Wind Speed u200bu200band Direction Sensor in Train Operation
In the train weather service, wind speed and wind direction are indispensable meteorological elements during train operation. The accuracy of wind speed and wind direction data will directly affect the safety of train operation. Therefore, in order to ensure the safe operation of trains, various regional railway stations and along the railway have established gale monitoring systems to monitor and warn in real time, and to direct traffic. The ultrasonic wind speed and direction sensor is one of the main sensors of the gale monitoring system, and its output accuracy plays an important role in guiding the movement of the train. Why choose an ultrasonic wind speed and direction sensor? Ultrasonic wind speed and direction sensor can provide accurate and reliable wind speed and wind direction data, which is one of the key elements to ensure the safety of railway transportation in windy areas. The wind area railway has the characteristics of wide range of wind speed change and rapid change of wind direction. The dynamic response characteristics of the ultrasonic wind speed and direction sensor can just meet the requirements of railway safety. The working principle of the ultrasonic wind speed and direction sensor The working principle of the ultrasonic wind speed and direction sensor is the ultrasonic time difference method, because the sound propagation speed in the air will be superimposed with the airflow speed in the wind direction. If the propagation direction of the ultrasonic wave is the same as the wind direction, then its speed will increase; conversely, if the propagation direction of the ultrasonic wave is opposite to the wind direction, then its speed will slow down. Therefore, under fixed detection conditions, the speed of ultrasonic propagation in the air can correspond to the wind speed function. The wind speed and direction can be obtained by calculation. Characteristics of the ultrasonic wind speed and direction sensor1. The ultrasonic wind speed and direction sensor adopts an upside-down design, which can avoid rain and snow interference, and is not afraid of wind and sand blockage. Compared with products without upside-down design on the market, the measurement More accurate and longer service life. This technology has applied for a national patent. 2. The ultrasonic wind speed and direction sensor is equipped with a built-in electronic compass selection device. There is no longer an orientation requirement during installation, and it only needs to be installed horizontally. There is no need to ensure that the N on the shell must point to true north during installation. 3. The ultrasonic wind speed and direction sensor has no start-up wind speed limit, zero wind speed work, no angle limit, 360° omni-directional measurement, breakthrough angle troubles, wind speed and wind direction data can be obtained at the same time, with one machine and two benefits. 4. The ultrasonic wind speed and direction sensor adopts random error recognition technology, which can ensure the low dispersion error of measurement even under strong wind and ensure stable output data. 5. The housing of the ultrasonic wind speed and direction sensor is made of ABS material, which is light in weight, easy to carry, and easy to disassemble. 6. The ultrasonic wind speed and direction sensor adopts an integrated design, IP66 high protection level, no moving parts, low wear, and has a longer service life. It can easily deal with various harsh environments and ensure stable and accurate data output. The installation method of the ultrasonic wind speed and direction sensor The installation method of the ultrasonic wind speed and direction transmitter is relatively simple. First put the device on the pole. It should be noted that there is a protruding N word on the device without an electronic compass, so that the N word is facing the north side to avoid measurement errors. Then use a wrench to tighten the screw against the pole and it can be used. Make sure not to make a mistake in the wiring sequence when installing the equipment, as the equipment may be burnt out after the wrong connection. Application scenarios of the ultrasonic wind speed and direction sensorThe ultrasonic wind speed and direction sensor is a wind speed and direction measuring instrument developed based on the ultrasonic principle. It uses the transmitted sound pulse to measure the time difference at the receiving end to calculate the wind speed and Wind direction, compared with other types of wind speed and direction sensors, ultrasonic wind speed and direction sensors have the characteristics of strong anti-interference ability and high measurement accuracy, and are widely used in railway stations, airports, ports, laboratories and other environments.
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