Discussion on Design of Intelligent Remote Water Meter System

Abstract: The information on the design and discussion of the intelligent remote water meter system is provided by the excellent flowmeter and flowmeter production and quotation manufacturers. Abstract: With the emergence of a large number of high-rise residential quarters in recent years, the problem of meter reading and billing of residential water meters has gradually transitioned from the original manual door-to-door meter reading to remote automatic meter reading, which is an inevitable requirement for the development of the information age. This move not only relieves meter reading staff. For more flowmeter manufacturers to select models and price quotations, you are welcome to inquire. The following is the details of the article discussing the design of intelligent remote water meter system. In recent years, with the emergence of a large number of high-rise residential quarters, the problem of meter reading and billing of residential water meters has gradually transitioned from the original manual door-to-door meter reading to remote automatic meter reading, which is an inevitable requirement for the development of the information age. This move not only reduces the labor intensity of the meter reading staff and improves the efficiency of meter reading, but also saves the labor cost of meter reading and promotes the development of the property management level. In recent years, with the emergence of a large number of high-rise residential quarters, the problem of meter reading and billing of residential water meters has gradually transitioned from the original manual door-to-door meter reading to remote automatic meter reading, which is an inevitable requirement for the development of the information age. This move not only reduces the labor intensity of the meter reading staff and improves the efficiency of meter reading, but also saves the labor cost of meter reading and promotes the development of the property management level. 1. Overview of system principle The base meter with sensors sends out pulse signals during operation, and these information pulse signals are transmitted to the computer through the network for data storage, transformation and processing, and we can obtain accurate readings of the base meter in real time. Therefore, a remote transmission system can be composed of two parts, the first part is the base table with sensors, and the second part is the network processing equipment. The former is the stable and reliable working foundation of the whole system, and the latter is the embodiment of the powerful functions of the system, which complement each other and are indispensable. 2. General requirements for system design 1) The selected system should be accurate in measurement, stable and reliable in operation, simple and convenient in maintenance, and mature and advanced in technology. 2) Before the intelligent remote water meter system is officially put into use, it must be tested, and it can be put into use only after the test is passed. The test period is generally not less than 1 year. 3) The structure of the intelligent remote water meter should be integral, and the added sensor device should not hinder the counting and reading of the mechanical indicating device, that is, it will not affect the measurement accuracy and reading of the mechanical watch. 4) The cumulative flow of the intelligent remote water meter should be based on the cumulative flow value of the mechanical count of the base meter, not the electronic reading value. 5) The error between the cumulative flow electronic value formed by the conversion of the electronic counting signal of the intelligent remote water meter and the cumulative flow value of the mechanical counting should be≤±1m3, otherwise the quality of the electromechanical conversion part is unqualified. 6) Using the on-site centralized meter reading method with the unit as the unit, the system remote meter reading error rate should be≤2.00%, the meter reading success rate should be≥99%, otherwise the selected system is unqualified. 3. Technical requirements for system design 3.1 Technical requirements for base meter: the length of the base meter, the thread or flange of the connection end, the pressure loss and flow technical parameters, etc. Accuracy class B or above. The base table should have the manufacturer's name or registered trademark as well as the product name and model. 3.2 Sensor technical requirements: The sensor is the most critical component in the intelligent remote water meter system, and is the key part of model selection and use. (1) Sensors can be divided into: 1. Real-time conversion type: The signal element of the electromechanical conversion unit of this type of sensor generally moves continuously to generate electromechanical conversion signals. 2. Direct reading type: This type of sensor electromechanical conversion unit directly reads the accumulated flow signal from the mechanical indicating device of the base meter when the meter is read remotely. (2) The service life of the sensor should be≥7 years. (3) In the selection and use, the direct-reading sensor should be preferred. (4) The sensor should have good anti-electromagnetic field, radiation, water hammer and other external interference capabilities. Under the electromagnetic environment interference such as electrostatic discharge, radio frequency electromagnetic field radiation, electrostatic field, electrical fast transient pulse group, surge (shock), etc., the sensor should not be damaged, and the sensor with data processing and storage functions should not lose memory data. (5) Under dry heat, low temperature, damp heat and other climatic conditions, the sensor should not be damaged, and if there is data processing and storage, the memory data should not be lost, and it can work normally. In addition, it should be rain-proof and sun-proof. (6) The signal lead of the sensor should be reserved 1 meter long and protected by a stainless steel hose. The connection with the external signal line should be in the junction box and use a special crimp terminal.

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