Radar water level gauge is a kind of water level measuring instrument based on microwave radar technology. Because of its high precision, high stability and wide applicability, it plays an important role in water resource management and disaster warning. The following is the introduction of the application of radar water level meter in intelligent monitoring of water level and accurate control of water resources:
How to select radar level meter according to the demand?
Working Principle
The radar water level meter transmits radar waves (electromagnetic waves) through the antenna, which are reflected off the surface of the measured object (water surface) and then received by the antenna. The time from transmission to reception of the radar wave is proportional to the distance of the measured object to the surface of the water. Since the transmission speed of the radar wave is constant, by recording the time of the pulse wave back and forth, the distance from the radar antenna to the water surface can be calculated, and then the distance from the bottom to the water surface can be measured, and the water level can be calculated.
Advantage
- High precision measurement: Radar water level gauges usually have sub-millimeter measurement accuracy, which can accurately record small water level changes to meet the strict requirements of water level changes in the application scenario.
- Non-contact measurement: The radar water level gauge does not need to be in direct contact with the water surface, avoiding errors and failures caused by traditional measuring equipment such as buoys and pressure sensors due to the influence of floating water surface, icing and sediment, and reducing the maintenance cost and frequency of the equipment.
- Strong adaptability: the radar water level gauge can operate stably under harsh environmental conditions such as extremely low temperature, strong wind, haze, and strong rain, and is not affected by floating ice, foam, wind and waves, and maintains a high measurement accuracy.
- Real-time monitoring and data transmission: Radar water level gauges can monitor water level changes in real time and provide real-time data updates. At the same time, it is usually equipped with a wireless transmission system, which can transmit real-time data to a remote server, cloud platform or monitoring center, so that managers can obtain water level information at any time.
- Intelligent warning and response: By setting a threshold, the radar water level gauge system can automatically send an early warning signal when the water level reaches or approaches the warning level. Combined with the meteorological early warning system and disaster response mechanism, it can realize the intelligent analysis and judgment of the development trend of disasters, and make emergency preparations such as evacuation and rescue in advance.
Application
- Water conservancy monitoring: radar water level meter can be used for water level monitoring of rivers, lakes, reservoirs, DAMS and other water conservancy facilities to provide reliable data support for water conservancy dispatching, flood control and disaster reduction.
- Urban flood control: In the urban flood control system, the radar water level meter can be used in conjunction with the Internet of Things platform to achieve automatic water alarm, improve flood response efficiency, and reduce losses caused by urban waterlogging.
- Industrial monitoring: In chemical, petroleum and other industrial fields, radar water level gauges can be used to monitor the level of tanks, storage tanks and other containers to ensure the safety and accuracy of measurement.
- Groundwater monitoring: By monitoring the change of the groundwater table, the radar water level meter can understand the situation of groundwater resources, and provide an important basis for water resources management and protection.
- Agricultural irrigation: In the agricultural irrigation system, radar water level meter can be used to monitor the water level of irrigation channels, through real-time monitoring of water level changes, reasonable adjustment of irrigation water, improve irrigation efficiency, save water resources.
In summary, radar water level meter plays an important role in intelligent monitoring of water level and accurate control of water resources with its advantages of high precision, non-contact measurement, strong adaptability, real-time monitoring and data transmission, intelligent early warning and response. With the continuous development of technologies such as the Internet of Things, big data and artificial intelligence, radar water level gauges will play a more important role in future water resources management and disaster warning.