Views: 1 Author: Site Editor Publish Time: 2022-08-23 Origin: Site
Smart water meter is a new type of water meter that uses modern microelectronic technology, modern sensing technology and smart IC card technology to measure water consumption, transmit water data and settle transactions. The smart water meter applies high-tech electronics and information transmission technology to the manufacture of water meters, which is a technological progress in the metering and charging of tap water. What are the types of smart water meters? What are the principles of different types of smart water meters.
Types of smart water meters
At present, the smart water meters made in China can be divided into two categories: prepaid water meters and remote water meters. The common feature is that the sensors for measuring water flow still use ordinary water meters. The sensor element converts the mechanical reading of the raw water meter into electrical signal data, and then collects, transmits and stores it, and controls it automatically or manually according to the requirements of the settlement transaction method.
The principle of prepaid water meter
Prepaid water meter is a new type of water meter that uses modern microelectronic technology, modern sensing technology, and smart stored value card technology to measure water consumption, transmit water data and settle transactions. A new type of intelligent metering instrument made of control modules and electronically controlled valves.
According to the stored value card technology, prepaid water meters are divided into three forms: IC card water meters, TM card water meters, and code water meters, commonly known as card water meters.
Insert the stored value card containing the amount or purchase information into the reader/writer in the water meter. After the microprocessor recognizes and downloads the amount, the electronically controlled valve opens, and the user can use water normally; when the user uses water, the water collection device starts to monitor the water consumption. Collect and convert the required electronic signal to the microprocessor for measurement, and display it on the LCD display; when the user's water consumption drops to a certain value, the alarm device of the water meter will automatically give an alarm or warning. If the amount of water consumption is exceeded, the water meter will automatically close the electronically controlled valve to cut off the water supply. After the user pays the fee, insert the paid IC card and automatically open the valve to supply water.
IC card water meter
IC card water meter is composed of base meter, power supply (battery), IC card reader, LCD communication interface, display, microcomputer control module, valve control mechanism, and beeping alarm device.
Code Prepaid Water Meter
Code prepaid water meter, referred to as code meter, is the application of code exchange prepaid data technology in water meter products. It is to use a set of deformed data codes to represent the data to be transmitted.
Principle of remote water meter
The remote water meter and intelligent centralized meter reading system are new intelligent water meters that use microelectronic technology, automatic control technology, communication technology and network technology to measure water consumption, transmit water data and settle transactions.
According to the transmission mode of the metering base meter and the computer system of the management center, it is divided into the remote water meter wireless automatic meter reading system and the remote water meter wired network automatic meter reading system.