- Wind Sensor
- Radiation Sensor
- Ambient Sensor
- Rain Gauge
- Soil Sensor
- Data Logger
- Weather Station
- Water Sensor
- Radiation Shield
Popular science: What are the principles of the wind direction sensor?
The direction of the wind is determined by the weather as the direction of the wind. Therefore, the wind from the north is called the north wind, and the wind from the south is called the south wind. When the weather station forecasts the wind, when the wind direction is not sure about swinging in a certain direction, the word 'biased' is added, such as a northerly wind. When the wind is very small, use 'undefined wind direction' to explain. For the use of wind direction, since ancient times, people have intentionally or unconsciously used its power in various fields such as production and life. During the famous battle of Chibi, Zhuge Liang during the Three Kingdoms period used the wind to make the fire and wind direction complement each other, so that Cao Cao's serial warship was reduced to ashes in the wind and fire. On the modern battlefield with highly developed science and technology, factors such as wind direction and wind force are more closely related to combat operations. It is difficult for an airplane to spread its wings without knowing the direction of the wind, for a ship to cruise without knowing the style, and it is difficult for artillery to accurately measure the wind. Even an infantry who is 'weather and rainy' cannot successfully complete the mission without distinguishing the wind. To monitor the wind direction, the wind direction sensor is indispensable. The wind direction sensor is a physical device that detects the rotation of the wind direction arrow, senses the wind direction information from the outside, and transmits it to the coaxial encoder, and at the same time outputs the corresponding wind direction related value. Usually, the main body of the wind direction sensor adopts the mechanical structure of the wind vane. When the wind blows to the tail fin of the wind vane, the arrow of the wind vane will point to the direction of the wind. In order to maintain the sensitivity to the direction, different internal mechanisms are also used to distinguish the direction for the wind direction sensor. Common wind direction sensors usually have the following three categories. 1. Electromagnetic wind direction sensor: It is designed using electromagnetic principles. Because there are many types of principles, the structure is different. At present, some of these sensors have begun to use gyroscope chips or electronic compasses as basic components, and their measurement accuracy is obtained. A further improvement. 2. Photoelectric wind direction sensor: This kind of wind direction sensor uses an absolute gray code disc as the basic element, and uses a special custom code, based on the principle of photoelectric signal conversion, which can accurately output the corresponding wind direction information. 3. Resistive wind direction sensor: This kind of wind direction sensor uses a structure similar to a sliding rheostat. The maximum and minimum values u200bu200bof the resistance value generated are marked as 360° and 0° respectively. When the wind vane rotates, it slides. The sliding rod of the rheostat will rotate with the wind vane on the top, and the different voltage changes produced can calculate the angle or direction of the wind direction. RS-FXJT wind direction sensor, small and light, easy to carry and assemble. The brand-new design concept can effectively obtain wind direction information. It has two ranges of eight directions and 360°. The shell is made of polycarbonate composite material, which has good anti-corrosion and anti-corrosion characteristics, which can ensure that the transmitter is not deformed for long-term use. At the same time, it is matched with the internal smooth bearing system to ensure the accuracy of information collection. Adopt high-performance imported bearings, with low rotation resistance and accurate measurement. The structure and weight of the equipment have been carefully designed and distributed, with small moment of inertia and sensitive response. It is widely used in wind direction measurement in greenhouses, environmental protection, weather stations, ships, docks, and breeding. The wind direction sensor has two outlet methods: side outlet and bottom outlet, and the bottom outlet can completely prevent the aging of the rubber pad of the aviation plug, and it is still waterproof after long-term use; it adopts anti-electromagnetic interference treatment, with RS485, analog, and voltage signals. The signal output mode (optional) can also be applied to the four-wire and three-wire connection at the same time. Flange installation is adopted. This method is not only convenient for installation, but also able to withstand greater pressure. Connect the lower pipe fittings of the sensor through the threaded flange and firmly fix it on the flange, use bolts to fix it tightly on the bracket, and keep the whole set of instruments at the best level to ensure the accuracy of the wind direction data.
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