Electric energy metering subsystem employing zigbee wireless sensing network

Abstract

The invention provides an electric energy metering subsystem employing a zigbee wireless sensing network. The electric energy metering subsystem comprises an electric energy metering terminal and a monitoring terminal, the electric energy metering terminal is formed by a current transformer, a voltage transformer, an information conditioning device, an analog front-end chip, an external voltage reference, an information processor, an LCD display screen, a real-time clock, and a ferroelectric memory, the monitoring terminal is formed by an Ethernet, a database, and an electric energy metering data analysis platform, and the electric energy metering terminal and the monitoring terminal are mutually connected via a ZigBee wireless information communication unit. Compared with the prior art, the beneficial effects of the electric energy metering subsystem are that potential faults of electrical equipment can be discovered in time, faults and risks are reduced, project construction or reconstruction is facilitated, and the workload of bottom equipment installation and wiring is reduced.

Description

technical field [0001] The invention relates to an electric energy metering subsystem using a zigbee wireless sensor network, belonging to the field of multifunctional digital electric energy metering equipment. Background technique [0002] Electric energy metering system is a measuring instrument for measuring electric energy consumption, and its technical requirements are very high. It requires not only accurate measurement, but also stable work and long-term high reliability. At present, due to the increasingly tense energy sources in recent years, there is often a shortage of power supply, and various countermeasures have been adopted in various places. The demand is further increased, especially for large industrial users, the demand for three-phase multi-rate meters is growing rapidly. In addition, with the continuous development of the modern electronic industry and power system, the electric energy metering system is developing in the direction of intelligence and...

AI Technical Summary

Problems solved by technology

The current practice in the market is to use wired transmission methods such as CAN, 485 or Ethernet in the sensing layer. The wired transmission method has the disadvantages of difficult initial wiring construction, high cost, and long construction period, and the later project transformation has also become very difficult. difficulty

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