Electric energy metering subsystem employing zigbee wireless sensing network

A technology of wireless sensor network and electric energy metering, which is applied in the direction of signal transmission system, measuring electric variables, measuring devices, etc., can solve the problems of long construction period, high cost, and difficult construction, so as to facilitate construction or transformation and reduce workload , The effect of reducing the risk of failure

Inactive Publication Date: 2016-02-03
UNIV OF ELECTRONICS SCI & TECH OF CHINA ZHONGSHAN INST
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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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  • Electric energy metering subsystem employing zigbee wireless sensing network

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Embodiment Construction

[0018] In order to make the technical means, creative features, goals and effects achieved by the present invention easy to understand, the present invention will be further described below in conjunction with specific embodiments.

[0019] see figure 1 , the present invention provides a technical solution: a zigbee wireless sensor network electric energy metering subsystem, including electric energy metering terminal and monitoring terminal, electric energy metering terminal is composed of current transformer 1, voltage transformer 2, information conditioner 3, analog The front-end chip 4, external voltage reference 5, information processor 6, LCD display 7, real-time clock 8 and ferroelectric memory 9 are composed, the monitoring terminal is composed of Ethernet 11, database 12 and electric energy measurement data analysis platform 13, electric energy measurement The terminal and the monitoring terminal are connected to each other through the ZigBee wireless information comm...

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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...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G01R22/06G08C17/02
Inventor 吕燚夏百战石世光
Owner UNIV OF ELECTRONICS SCI & TECH OF CHINA ZHONGSHAN INST
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