Intelligent Water Conservancy New Engine: Gate Control Cabinet Powers Flood Control Coordination and Digital Management

Amid frequent extreme weather events and the growing demand for efficient water resource allocation, the sluice control cabinet, as the "nerve center" of hydraulic facilities, is driving the accuracy and efficiency of flood control scheduling and water resource management through intelligent upgrades. Recently, the Shanghai Pudong New Area Sluice Monitoring System, thanks to the "One Map for the Whole District" digital management platform, has won the 2023 Shanghai Smart Water Conservancy Case Award, signifying the increasingly prominent role of the sluice control cabinet in the construction of smart water conservancy.

The key function of the water gate control cabinet lies in the accurate regulation and real-time monitoring of gates. Traditional control cabinets rely on manual operation and have single functions. The new generation of intelligent control cabinets, however, integrate PLCs (Programmable Logic Controllers), sensors, and communication modules to collect real-time data on gate openings, water levels, flow rates, and motor status. They also support remote command transmission and automatic operation. For instance, the Yihao intelligent hydraulic PLC gate control cabinet can monitor gate positions and water levels in real-time via 485 communication. On-site personnel can manually operate the cabinet via a touchscreen or buttons, or remotely control the gate status through a mobile app or computer, ensuring flexible response to complex operational conditions of water facilities.

In flood control operations, the real-time monitoring and automatic alarm functions of the sluice control cabinets are particularly crucial. After updating the opening and closing machine control cabinets at the Chongming Sea Dyke sluice, the company successfully addressed the risk of "power outage or system crash" caused by the aging of the original equipment, ensuring stable operation of the gates during extreme weather events like heavy rain. Additionally, the control cabinets can automatically protect against faults such as motor overload and abnormal voltage, and send alarm notifications to management personnel via SMS or app push notifications, significantly reducing emergency response times. For instance, the "Emergency Drills for Electric Shock at the Gate Opener Control Cabinet" conducted by Yuanqiao Sluice Management Office and Zhuguan屯Hydraulic枢纽Management Office demonstrated the control cabinet's ability to ensure safety in emergencies through a simulated scenario of workers being electrocuted.

The application of a digital management platform has further enhanced the efficiency of sluice control cabinets. The Pudong New Area Sluice Monitoring System constructs a digital twin of the sluices using BIM (Building Information Modeling) technology, achieving visual supervision of three major business scenarios: water resource allocation, comprehensive maintenance, and industry supervision. The system can real-time monitor data from 36 townships and 51 water level points across the region, combining tidal patterns and real-time rainfall to implement "east diversion and west drainage" water circulation scheduling, enhancing the hydrodynamic force of the inland waterways, and ensuring water quality. For instance, during the local heavy rainfall in Pudong East in July 2023, the system initiated the drainage of surrounding sluices through rapid hydrological analysis and scheduling predictions, significantly reducing the risk of internal flooding.

Additionally, the modular design of the sluice control cabinet and its open interfaces provide it with strong expandability and compatibility. The cabinet can connect to various communication methods such as hydrological protocols and MQTT protocols, supporting the integration of devices like video surveillance and rainfall gauges, catering to customized needs in different scenarios. For instance, in the project of updating the sluice at the downstream side of Gaogang Pumping Station and the dispatching sluice, Jiangsu Deli Electric Co., Ltd. removed the old control cabinet and installed a new intelligent control cabinet, achieving data communication and remote debugging, which enhanced the stability and safety of the equipment operation.

In the future, with the deep integration of 5G, the Internet of Things, and artificial intelligence technologies, sluice control cabinets will evolve towards greater intelligence and integration. By establishing a full-chain closed loop of "sensing, analysis, decision-making, and execution," sluice control cabinets will provide stronger technical support for flood control and disaster reduction, as well as optimized water resource allocation. This will help propel the construction of smart water conservancy to new heights.