Ultrasonic wind sensor：
Ultrasonic wind sensor is a device that measures wind speed and direction based on the principle that the speed of ultrasonic waves in the air is affected by wind. It has advantages such as high precision, fast response, no moving parts, wide measurement range and strong environmental adaptability. It finds extensive applications in meteorology, environmental monitoring, energy industry, construction, transportation, aerospace and other fields, playing a crucial role in providing accurate wind data for various applications.
ultrasonic wind sensor working principle
Working principle:
It principally computes the wind speed through measuring the time differential during the propagation of ultrasonic waves in the air. The sensor typically comprises two pairs of ultrasonic probes that are installed in an opposing manner. One probe within each pair transmits ultrasonic waves, while the other serves as the receiver.
Feature
High accuracy:
Compared with traditional wind speed measuring equipment such as wind cup anemometer, it can measure wind speed more accurately, especially in the case of low wind speed.
Fast response speed:
It can quickly sense changes in wind speed and can monitor dynamic changes in wind speed in real time, which is very suitable for some application scenarios that require rapid response to changes in wind speed.
No mechanical wear:
Because it does not rely on mechanical rotating parts to measure wind speed, there is no mechanical wear problem like the wind cup anemometer, so the service life is relatively long and the maintenance cost is low.
Ability to measure wind direction simultaneously:
We can accurately determine the wind direction in addition to measuring wind speed through the combination and calculation between different probes.
CODA Ultrasonic wind speed and direction sensor
CDF-21A Ultrasonic wind speed and direction:
Range 0-60m/s.
Resolution:0.01m/s.
Automatic heating can be customized.
RS232/RS485(Modbus/NMEA-0183),4-20mA/0-5V(only for wind speed & direction) SDI-12 optional.
CDF-22A Mini Ultrasonic wind speed and direction:
Range 0-40m/s.
Resolution:0.1m/s.
Air pressure elements can be customized.
RS485(Modbus)
Extreme Wind Speed :60m/s
CDF-22B Mini Ultrasonic wind speed and direction:
Range 0-40m/s.
Resolution:0.01m/s.
Sampling Frequency:10HZ
RS485(Modbus)
Extreme Wind Speed :60m/s
Application:
bridge monitoring
Monitoring environment：
The changeable marine environment and climate often make a large cross-sea bridge under the attack of strong winds. In order to ensure the safety of the bridge structure and the safety of driving on the bridge, the wind speed and direction at the height of the bridge need to be accurately and real-time monitoring.
Install position:
Install ultrasonic wind speed sensor at the height of the main tower of the bridge and at key positions of the bridge girder. These locations can effectively obtain wind data at different heights and key structures of the bridge.
Data transmission:
We transmit the collected data via a wired network (such as fiber optic communication) or a wireless network (such as 4G/5G) to a server located in the bridge management center.
Park monitoring
Monitoring environment：
Large science and technology park, covers a vast area, the park has many high-rise buildings, green landscape and personnel activity areas. Because there are some facilities in the park that are more sensitive to wind environment, such as high-altitude billboards, glass curtain wall buildings and small meteorological observation stations in the park, in order to ensure the safety of these facilities and the safety of personnel activities in windy weather, the park management decided to install ultrasonic wind sensors and equipped with alarm systems to achieve real-time monitoring and early warning of wind conditions in the park.
In accordance with the designed wind resistance capabilities of diverse facilities within the park as well as the safety benchmarks for personnel activities, we/they have established a tiered system of alarm thresholds.For instance, within the common personnel activity zones, should the wind speed attain 10 meters per second, the system will activate a first-level alert, notifying the individuals in the park to be cognizant of the windy conditions and refrain from engaging in outdoor pursuits. When the wind speed surpasses 15 meters per second, a second-level warning is triggered.
System composition:
Each ultrasonic wind sensor establishes a connection through a wired network with a monitoring center server located within the campus. The monitoring center is furnished with professional data acquisition software and an alarm management system. This setup enables it to receive, process, and display the wind speed and wind direction data transmitted from multiple sensors in real-time. Moreover, it is capable of generating alarm notifications in accordance with the pre-established alarm thresholds.
Marine monitoring
Monitoring environment：
The safe navigation of ships is of Paramount importance because the maritime environment is complex and changeable, especially the wind conditions, which have a key impact on the navigation of ships. In order to better cope with sea wind conditions and improve navigation safety and economy, the ship has installed an advanced ultrasonic wind sensor system.
Installation Position: We mount the ultrasonic wind sensor atop the ship’s mast. This location serves to minimize the obstruction caused by the ship’s superstructure in the measurement of wind conditions, thereby enabling the acquisition of the most accurate and representative sea wind speed and direction data.
System composition:The ultrasonic wind speed sensor are connected to the ship’s central navigation computer system. The sensor transmits the real-time measured wind speed and direction data to the Marine computer in the form of digital signals.
Conclusion
With the continuous progress of sensor technology, such as the application of high-precision timing chips, the optimization of signal processing algorithms, etc., the measurement accuracy and stability of ultrasonic wind speed sensors will continue to improve, and they can measure wind speed and wind direction more accurately to meet the needs of high-precision data for meteorological forecasting and scientific research.