The wind speed sensor is used to measure the wind speed of the air supply duct of the air conditioning unit
An air conditioning unit refers to a unit or unit system that consumes a certain amount of electricity and has adjustment functions such as air temperature, cleanliness, and humidity; it is a kind of air handling equipment assembled from various air handling functional sections. It is suitable for resistance greater than 100Pa Air conditioning system. Unit air treatment functional sections include: air mixing, flow equalization, filtration, cooling, primary and secondary heating, dehumidification, humidification, blower, return fan, water spray, noise reduction, heat recovery and other units. Combined The air volume of clean air conditioners ranges from 3500m3/h to 200000m3/h, including 30 specifications and 12 functional sections for users to choose and combine freely. It is mainly suitable for air purification systems in various clean workshops. Such as industrial electronics factories, precision machinery manufacturing factories, textiles Workshops, GMP clean workshops, cosmetics, food factories, pure water workshops, hospital surgery departments, ICU ward purification projects and other occasions.
With the rapid development of my country's economy and the continuous improvement of people's living standards, the installation of ventilation and air conditioning facilities has become more and more popular and more and more important, from industrial plants, public welfare facilities to various high-end buildings. Especially after the ventilation and air conditioning system is installed, it cannot be guaranteed that it will reach a reasonable and optimal operating state. If the system is not debugged, it will not only cause energy waste, but even some basic functional requirements cannot be achieved. my country's ventilation and air conditioning projects have developed rapidly in recent years, but some construction companies do not have professional commissioning technicians on site, and the system commissioning is not carried out in accordance with normative standards, and the construction is not in place, causing hidden dangers for future use. For this reason, it is recommended to use the French LCJ Capteurs anemometer ultrasonic sensor - CV7-E for measuring the wind speed of the air supply duct of the air conditioning unit.
Ultrasonic wind speed sensor design avoids any mechanical parts, ensuring reliable operation. Ultrasonic sensors have long-term stability and require no maintenance. Sound is transmitted by flowing objects at intersections. The electro-acoustic sensors (1) communicate between them with ultrasonic signals (2), along the orthogonal axes, the difference in the transit time of the sound waves caused by the wind speed (3). The communication between CV7-E transmits 4 different tests, and the food intake head wind obtained from the tests is used for the calculation. Combine the measurements to calculate the wind speed and the wind direction from the base axis. Temperature measurement is used for calibration. The design of the sensor reduces the effect of inclination (4) (the effect of sensor inclination can be partially corrected due to the shape of the sensor space). CV7 transmitted 4 separate test data. The correctness check is used for the calculation of the head wind vector. This method gives a wind velocity sensitivity of 0.15m/S with excellent linearity up to 40m/S.
