Water security and water resources issues have become one of the important factors affecting social and economic development. At present, many drilling stations and hydrological stations in urban and rural areas in Shaanxi Province still use manual methods. This method not only has personal safety problems for monitoring personnel, but also measures Inaccurate data, lack of real-time and other issues. In the information-based era of the Internet of Things, urban and rural water supply wells and water supply systems are also revamped by original personnel to be automated, so that the water supply system tends to be scientifically managed to achieve automatic operation, safety and reliability, protect water pumps, reduce electric energy, and save water Resources and reduce input costs, and comprehensive use of software image recognition technology, wireless communication GPRS technology, telecommunications mobile technology and Internet of things technology for remote centralized information monitoring, management, thus achieving urban and rural water supply information and modernization.
On-site requirements and system block diagram
In the process of digging wells in urban and rural areas, it is required to monitor the water level and temperature of deep wells and to monitor and control the water level of each reservoir in real time. In the automatic water supply process of the waterworks, the power and output of the water pump are required to be tested and compared, and the electromagnetic flowmeter, pipeline pressure, reservoir water level and other collected data are monitored centrally. The test data is transmitted to the centralized data management center. The system implements data acquisition, display, curve, live sound and light alarms, automatic control of pump start-up and shutdown, and alarm messages to alert on-duty personnel and persons in charge when the water level exceeds the limit.
System Block Diagram:
An Introduction
The city of Weinan in Shaanxi Province has integrated all the water supply plants and rural drilling teams to monitor the water sources. The monitoring points are distributed in a wide range and the number is large. At present, villages, counties, municipalities and related water supply units are gradually installing automated monitoring transmission alarms. In the system, each grading unit performs automated water source management. The data is transmitted to the general monitoring center through the Internet to conduct spot checks. Each grading unit is equipped with a deep well liquid level transmitter and a deep well temperature transmitter. Each deep well is surrounded by a building. 2-3 reservoirs, one level transmitter installed in each reservoir, one electromagnetic flowmeter and one pressure change at each water supply pump outlet (typically three or more pumps for water supply) Sender. All sensors on site transmit signals to 485 acquisition module or wired gateway, and design water level monitoring system through PLC technology and man-machine interface; dynamic engineering screens are configured through configuration, including automatic water supply for pools and water towers, water level upper and lower limit alarms, reports Output and inquiries; human-computer interaction interface more direct, more secure, more reliable control of GPRS DTU module and relay module, the implementation of the pump decision-making and the issuing of an alarm.
This system can automatically monitor the pump's water output and water level, and is equipped with an emergency manual control system to ensure that residents can use water for normal life, reduce the workload of on-duty personnel, and improve work efficiency. At the same time convenient water supply control center and related departments analyze and make decisions to ensure the quality of water supply to meet demand.
Product advantages
Our company's deep well liquid level transmitter adopts special leads to increase the service life of the product. The other wired sensors have reliable quality and stable data transmission. The wired gateway transmits the data to the cloud platform, the intuitive human-machine interface and automatic water level control system. Alarm system and SMS reminder, the staff can make accurate judgments in time according to the abnormality of any signal and effectively eliminate the fault.
Live picture
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