In order to solve the problems of inaccurate metering and billing, difficult collection of water charges, and serious waste of water resources in agricultural irrigation water, modern automatic control, radio frequency triggering and other technologies are used to achieve the goals of paying first and then using water, charging according to quantity, automatic metering, and automatic opening and closing of pumps, and put an end to the phenomenon of only using water without paying and various water disputes. It realizes real-time online monitoring, data statistics and query, water intake plan management and control, and promotes the sustainable use of water resources and water conservation. The system can be widely used in agricultural water management in well irrigation areas and reservoir irrigation areas
System composition
The system is mainly composed of four parts: monitoring center platform, communication network, remote monitoring equipment and power supply system equipment.
Monitoring center: Hardware is mainly composed of servers, computers, switches, printers, etc. The software mainly consists of operating system software and database software.
Communication platform: including GPRS\CDMA network and INTERNET public network. The system plans to use the public network private line networking, and the monitoring center needs to have a fixed IP address that can be connected to the Internet.
Remote monitoring equipment: Remote monitoring equipment can be divided into mains power supply, solar power supply, and battery power supply according to the type of power supply.
The flow rate of water in the channel is measured using a Fujifilm ultrasonic flow meter, and the flow information is sent to the server via a telemetry terminal.
Technical Parameters:
Ultrasound permeable homogeneous liquid
Water, hot water, distilled water, alcohol, milk, ethanol, etc
Applicable pipe inner diameter φ13mm-φ6000mm (depending on the detector)
Measured fluid temperature -40 – +200°C (depending on detector)
Flow velocity measurement range 0 - ±32 m/s (*small± 0.3 m/s)
Measurement accuracy ±1.0% of rate (depending on flow rate)
2. Telemetry terminal
Features:
● Communication function: support GPRS, SMS, satellite, 433, Ethernet and other communication methods.
●Working mode: support real-time online and timed wake-up and other working modes.
●Acquisition function: water level, rainfall, temperature and humidity, hydrology, flow rate, flow, wind speed and direction, gate position, battery voltage and other data, other sensing can be customized.
● Picture capture function: support 4 industrial cameras to capture and upload.
●Remote management function: support remote configuration, remote upgrade, remote restart and other remote maintenance functions.
●Alarm function: water level rainfall, threshold alarm.
●Storage function: Comes with flash storage and TF card, which can permanently store historical data without losing power.
● Local configuration: local support USB and WIFI configuration, data query, historical data export.
●Support 3 more centers, which can realize the function of "one package and multiple casting".
● Support up to 256GB capacity TF card, can be used as mass data storage.
●Wide voltage design, with reverse polarity protection and short circuit protection function.
●All input and output ports are designed with lightning resistance, and external lightning protection modules can be omitted.
●Support active/standby channel switching, and GPRS SMS reporting at the same time (SMS content format can be customized).
●Safety alarm function: support cabinet door opening alarm
Field Cases:
The system first collects real-time data on water quantity, moisture and other information through various sensors, transmits the data to the control system in the control room through different signal input conversion modules, analyzes and judges through professional analysis software, and reports the analysis results to the control management personnel. In order to ensure the stability of the whole system, the system has set up two operation modes: manual and automatic, and when the computer fails, it can be switched to the manual state.
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