Beidou water and rainfall monitoring station

1、Beidou water and rainfall monitoring station Product Overview

Beidou water and rainfall monitoring station is a hydrological and rainfall monitoring system based on Beidou satellite communication channels.Beidou water and rainfall monitoring station SW4 is an automated hydrological monitoring device independently developed by our company, leveraging BeiDou-2 and BeiDou-3 regional short message communication technologies and hydrological and environmental monitoring technology.This system features autonomous real-time transmission, intelligent monitoring, and precise forecasting.It provides 24-hour monitoring and early warning of hydrological changes, significantly addressing environmental monitoring challenges in areas with no or weak signal coverage.Currently, BeiDou water and rainfall monitoring stations are widely used across China, providing crucial support for weather forecasting and environmental early warning.

2、Beidou water and rainfall monitoring station Application Areas

1.Flow velocity, water level, flow rate, and rainfall measurement in rivers, lakes, tides, reservoir sluice gates, groundwater networks, irrigation canals, and irrigation channels.

2.Assisting water treatment operations, such as urban water supply and sewage monitoring.

3.Flow calculation and inflow and outflow flow monitoring.

3、Beidou water and rainfall monitoring station Product Features

1.Non-contact measurement, combining cross-sectional parameters to calculate flow rate, unaffected by wind, temperature, haze, silt, floating debris, etc.

2.Suitable for a variety of measurement conditions, unaffected by corrosion and foam, and capable of outputting flow velocity, water level, and flow rate measurement data.

3.Flow velocity and water level are measured using a planar array radar antenna with built-in angle measurement capabilities.The device is compact and easy to install.

4.Convenient configuration software allows for easy configuration of parameters to suit varying operating conditions.

5.Unaffected by atmospheric water vapor, temperature, and pressure fluctuations

4、Beidou water and rainfall monitoring station Monitoring Platform

1.CS-based software platform, supports direct monitoring via mobile phones and PC browsers, no additional software installation required.

2.Supports multiple accounts and multi-device logins.

3.Supports real-time and historical data dashboards.

4.Cloud server and cloud data storage, stable and reliable, easily scalable, and load balancing.

5.Supports SMS alerts and threshold settings.

6.Supports map display and device information viewing.

7.Supports data curve analysis.

8.Supports data export in table format.

9.Supports data forwarding, including HJ-212, TCP, and HTTP protocols.

10.Supports data post-processing.

11.Supports external JavaScript script execution.

5、Beidou water and rainfall monitoring station Technical Parameters

Radar Supply Voltage: 100mA (operating), <2-3A (sleep);

Operating Voltage: 12V

Operating Temperature: -35°C to 60°C

Storage Temperature: -40°C to 60°C

Field Protection Rating: IP68

Signal Output: RS485/MODBUS-RTU Protocol

1.Lightning and Water Level Measurement

Range: 0.1-40 meters

Ranging Accuracy: ±5mm

Ranging Resolution: 1mm

Interval: 1-5000 minutes

2.Radar Flow Velocity Measurement

Range: 0.15-15 m/s

Velocity Accuracy: ±2%

Velocity Resolution: 0.01 m/s

3.Radar Flow Measurement

Flow Rate = Average Flow Velocity x Cross-sectional Area x Correction Factor

Average flow velocity is calculated using the surface velocity of the fluid measured by the velocity meter and a model.

Cross-sectional area is calculated using the water level measured by the water level gauge and cross-sectional information.

4.Rainfall Monitoring Technical Parameters

Measurement Range: Rainfall Intensity 0-4 mm/min

Measurement Accuracy: ±0.2 mm

Resolution: 0.2 mm

Rain Receiving Diameter: φ200 mm

5.Beidou Data Transmission Terminal

Power Supply: DC12V, 3A

Power: Transmit Power 36W, Standby Power 1W

Standard Beidou Card: Transmission Capacity 260 bytes, 1-year message service

RDSS Specifications: Communication Success Rate 95%

Transmitting Frequencies Lf0, Lf1, Lf2

Information Transmission Method: Chinese characters, codes, mixed codes

Installation Angle: The antenna should face vertically upward, with no obstructions directly above the antenna.Avoid installation in locations subject to strong magnetic interference, such as high-voltage towers or high-power base stations.

External Data Interface: RS232, RS485

Reliability: Operating temperature -20°C to +70°C, storage temperature -40°C to +85°C, IP67 rating

6.Beidou Water and Rainfall Monitoring Station Power Supply

Solar Panel + Battery Combination

Solar Power: 100W (Optional)

Battery Specifications: DC12-100Ah

Mount Height: 3 meters for the pole and 3 meters for the crossbar

Operating Environment: -45°C to 85°C (non-freezing)

7.Beidou Water and Rainfall Monitoring Station Installation Notes

1.Installation Environment

The test channel section should be free of large rocks blocking the water flow, large whirlpools, or turbulent currents.

The test channel section should be straight, stable, and have concentrated water flow.

The test channel section should be hardened, and the measurement section should be regular.

The test channel section should be smooth to prevent the accumulation of floating debris.

2.Installation Height

Recommended installation height: 3-6 meters.

3.Velocity Meter Installation Orientation

The velocity meter beam should be perpendicular to the direction of the water flow.

Appendix: Hydrological Monitoring Station Construction Manual

8、Beidou water and rainfall monitoring station Site Deployment Principles:

1.Land use within 1000 meters of the monitoring point must be relatively stable.

2.A minimum of 270° of capture space must be maintained horizontally around the monitoring point.If the monitoring point is near a building, a minimum of 180° of free space must be maintained horizontally around the monitoring point.

3.The environmental conditions surrounding the monitoring point must be relatively stable.The site must be sufficiently stable and robust, and safety and fire prevention measures must be in place.

4.There must be no strong electromagnetic interference or strong vibration sources near the monitoring point, and a stable lightning protection device should be installed nearby.

5.The monitoring point must have clear and convenient access and conditions for easy maintenance.

6.The sensor height at the monitoring point should be within 2-5 meters of the ground.

7.No obvious fixed pollution sources should be within 50 meters of the monitoring point.

8.If the weather station is installed on a non-customized monitoring pole, the load-bearing capacity of the base pole must be considered.

9.The monitoring point should be located in a location with sufficient sunlight (maximum 6 hours of daylight per day) or with a stable and reliable AC 220V power supply nearby.

10.Point Location Confirmation

After selecting the monitoring points, mark them on the monitoring area plan.Submit the plan with the monitoring point locations marked to Party A for confirmation and signature.

9、Beidou water and rainfall monitoring station Construction

1.Based on the actual geological conditions on site, the pre-embedded pit for the monitoring pole foundation is constructed using manual labor combined with an excavator.The pre-embedded pit dimensions are 100cm (length) * 100cm (width) * 100cm (depth).If over-excavation occurs, do not use spoil as backfill.Instead, backfill to the designed depth with crushed stone or sand.

2.Stand the pre-embedded component vertically in the pit with the threaded part facing upward.Fill the pit with concrete (cement:sand = 1:3) to a depth slightly above ground level.

3.Allow the pre-embedded component to air dry for approximately three days, depending on the season and local climate, until the concrete foundation has completely solidified.

1.Secure the equipment to the equipment bracket using the supplied bolts, ensuring the installation of the flat spring washers.

2.Secure the equipment bracket approximately 3 meters from the monitoring pole using the supplied bolts.

3.Install the solar panel on the solar panel bracket using the supplied bolts.

4.Install the radar water level sensor on the flange using the supplied fasteners, and secure the flange to the bracket.

4.Construction Quality Control Requirements and Safety Precautions

1.The entire monitoring pole construction process must be carried out in a sequential manner, ensuring the pole's appearance is straight, streamlined, smooth, and vertical.

2.The solar panels must be tilted 45° toward due south.

3.The monitoring pole's anti-rust coating must not be damaged.

4.Cable connectors must be secure, waterproof, insulated, and not easily exposed.

5.Pay attention to pedestrian and vehicle safety during lifting.

6.When lifting the monitoring pole, always use a walking rope to maintain a stable position for the load.

7.Warning signs must be displayed during lifting.

8.The equipment must be installed facing south and unobstructed.

5.Construction Quality Assurance Measures

1.The required main materials must comply with the design documents and current standards and possess a factory certificate of conformity.Testing should be conducted as necessary.

2.Construction quality control must be strictly adhered to the requirements of the specifications.Process inspections must be implemented, and the next process can only be started after the previous one has passed the inspection.

3.Strengthen quality awareness and strictly organize construction according to the design, current construction specifications and rules, as well as the client's special requirements and on-site instructions.Implement excellence throughout the entire construction process to ensure project quality.

4.Strengthen process quality control and strictly organize production according to the quality assurance system.Establish operating standards, process standards, and inspection standards for each process and link.Maintain records of the implementation of process standards to ensure orderly and traceable process connections.

5.Strengthen project management, implement the technical responsibility system, develop targeted special construction plans, and conduct thorough technical briefings.

6.Ensure that each sub-project meets high-quality standards and meets all quality standards during construction.Establish model projects to drive overall project implementation.

6.Schedule Guarantee Measures

1.Strengthen technical guidance, implement strict management, and implement effective organization and coordination.

2.Strengthen management, improve the internal economic responsibility system, leverage the role of economic leverage, and fully mobilize the enthusiasm and initiative of the construction team as the organizational and ideological guarantee for ensuring the construction schedule.

3.Organize a team with extensive experience and strong construction capabilities; ensure that personnel, machinery, and equipment are well-equipped and complete to ensure daily completion of the construction plan.

4.Achieve milestone targets in stages.To facilitate inspection, assessment, and adjustment, formulate construction targets for the left and right sections under the overall construction plan, emphasizing milestone progress and effectively controlling the overall plan.

5.Strengthen material procurement and supply management to ensure timely supply to meet project construction needs.

6.Actively coordinate relationships and create a favorable construction environment.Organize construction according to procedures to effectively control various factors affecting progress.

7.Safety Construction Management Measures

During implementation, strictly comply with relevant safety, health, and environmental sanitation laws and regulations.Use safety devices, equipment, and protective gear, as well as other effective measures, to protect the life, health, and safety of on-site construction and supervision personnel.Environmental Protection Measures

1.Waste Disposal: Materials unsuitable for filling should be promptly and neatly stacked or transported to designated locations.

2.Construction wastewater should be promptly discharged to sewers and should not pollute natural water sources.Noise pollution must be prevented at the construction site, and construction vehicles must not sound their horns.

3.Prevent excavated soil from being dispersed or overflowing due to rain, as this can easily generate secondary dust in dry weather.Transport crossings near excavators must be cleaned promptly.