Tidal water level monitoring system

　　Tidal water level monitoring systemIn the wave of smart water conservancy construction, equipment that balances practicality and innovation is injecting a continuous stream of technological strength into safeguarding water safety and optimizing water resource allocation, ensuring the stable operation of every reservoir and protecting the lives and property of millions of downstream people.Tidal water level monitoring system

　　1、 Product Overview

The Beidou Hydrological Environment Monitoring Station SW4 is an automated hydrological monitoring device independently developed by our company, which combines the short message communication technology of Beidou-2 and Beidou-3 regions with hydrological environment monitoring technology. The system equipment has the characteristics of autonomous operation, real-time transmission, intelligent monitoring, and accurate forecasting. It can continuously monitor and warn of hydrological changes 24 hours a day, greatly solving the environmental monitoring problem in areas with no or weak signals. At present, Beidou hydrological and environmental monitoring stations have been widely used in various parts of China, providing important support for weather forecasting and environmental warning.

　　2、 Application Fields

1. Measurement of velocity, water level, flow and rainfall of rivers, lakes, tides, reservoir gates, underground water pipe networks, irrigation canals and canals.

2. Auxiliary water treatment operations, such as urban water supply, sewage monitoring, etc.

3. Flow calculation, monitoring of inflow and outflow flow, etc.

　　3、 Product Features

1. Non contact measurement, combined with cross-sectional parameters to calculate flow rate, not affected by wind, temperature, haze, sediment, floating debris, etc.

2. It is suitable for a variety of measurement conditions and is not affected by corrosion and foam. It can output the measurement data of flow rate, water level and flow.

3. The flow rate and water level are measured using a planar array radar antenna with built-in angle measurement function. The device is compact in size and easy to install.

4. Convenient configuration software that can easily configure parameters according to actual needs to adapt to different usage conditions.

5. Not affected by changes in water vapor, temperature, and pressure in the atmosphere

　　4、 Monitoring platform

1. CS architecture software platform, supporting direct observation through mobile and PC browsers without the need for additional software installation.

2. Support multi account and multi device login

3. Support real-time data display and historical data display dashboard

4. Cloud servers and cloud data storage are stable, reliable, easy to scale, and load balanced.

5. Support SMS alarm and threshold setting

6. Support map display and viewing device information.

7. Support data curve analysis

8. Support data export in tabular format

9. Support data forwarding, HJ-212 protocol, TCP forwarding, HTTP protocol, etc.

10. Support data post-processing function

11. Support external running of JavaScript scripts

　　5、 Technical parameters

Radar power supply voltage: 100mA (working),<2-3A (sleeping);

Working voltage: 12V power supply

Operating temperature: -35 ℃~60 ℃;

Storage temperature: -40 ℃~60 ℃;

Outdoor protection level: IP68

Signal output: RS485/MODBUS-RTU protocol;

1. Radar water level measurement

Ranging range: 0.1-40 meters

Distance measurement accuracy: ± 5mm

Distance measurement resolution: 1mm

Interval time: 1-5000min

2. Radar velocity measurement

Ranging range: 0.15-15m/s

Speed measurement accuracy: ± 2%

Speed resolution: 0.01m/s

3. Radar flow measurement

Flow rate=average flow velocity x cross-sectional area x correction factor

The average flow velocity is obtained by collecting the surface flow velocity of the fluid using a flowmeter and calculating it through a model

The cross-sectional area of the overcurrent is calculated based on the water level measured by the water level gauge and the cross-sectional information

4. Technical parameters for rainfall monitoring

Measurement range: Rain intensity 0-4mm/min

Measurement accuracy: ± 0.2mm

Resolution: 0.2mm

Rain bearing diameter: 200mm

5. Beidou data transmission terminal

Power supply: voltage DC12, current 3A

Power: 36W transmission power, 1W standby power

Standard Beidou card: transmission capacity of 260 bytes, message service for 1 year

RDSS indicator: Communication success rate of 95%

Transmission frequencies Lf0, Lf1, Lf2.

Information transmission methods: Chinese characters, codes, mixed coding

Installation angle: The antenna is vertically facing upwards, with no obstruction directly above it, to avoid installation in areas with strong magnetic signal interference, such as high-voltage towers, high-power base stations, etc

External data interface: RS232, RS485

Reliability: Operating temperature -20 ℃~+70 ℃, storage temperature -40 ℃~+85 ℃, protection capability IP67

　　6、 Power supply mode for hydrological environment monitoring station

Solar panel+battery combination power supply

Solar power: 100W (optional)

Battery parameters: DC12-100Ah

Bracket height: 3 meters for vertical pole and 3 meters for horizontal arm

Working environment: -45 ℃~85 ℃ (non freezing state)