Plastic optical fiber electric power meter reading system

A technology of plastic optical fiber and meter reading system, which is applied in non-electrical signal transmission systems, signal transmission systems, instruments, etc., can solve the problems such as the anti-electromagnetic interference ability of the meter reading system, so as to improve the anti-nuclear radiation ability and improve the anti-electromagnetic interference. Electromagnetic interference, cheap effect

Inactive Publication Date: 2012-03-28
CHINA ELECTRIC POWER RES INST +1
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Problems solved by technology

But the same problem, this patent does not consider the anti-electromagnetic interference ability of the entire meter reading system

Method used

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  • Plastic optical fiber electric power meter reading system
  • Plastic optical fiber electric power meter reading system
  • Plastic optical fiber electric power meter reading system

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Embodiment Construction

[0059] Below in conjunction with example the present invention is described in detail.

[0060] figure 1 It is a schematic diagram of the overall structure of the meter reading system. The POF plastic optical fiber smart power meter reading system is mainly composed of smart meters, transceiver modules, plastic optical fibers, data junctions, concentrators, and data processing centers. The meter signal of the optical transmitter (such as TTL level signal) drives the optical signal, the optical signal is coupled into the plastic optical fiber, and transmitted to the optical receiver through the plastic optical fiber, and the optical receiver restores the optical signal to an electrical signal (such as TTL electrical signal). flat signal). After data processing by the data concentrator, the whole process of POF plastic optical fiber intelligent power meter reading is completed.

[0061] The POF plastic optical fiber intelligent power meter reading module is the core part of th...

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Abstract

The invention provides a plastic optical fiber electric power meter reading system, and belongs to the field of transmission of digital information on electric power lines. The plastic optical fiber electric power meter reading system has strong electromagnetic interference resisting and nuclear radiation resisting capabilities as well as reliable performance, and achieves low cost and high-speed transmission of data. The plastic optical fiber intelligent electric power meter reading system is composed of an optical transmitter, an optical receiver, plastic optical fiber, a data joint device, a data concentrator and a plurality of passive devices, wherein an electric meter signal (such as a Transistor-Transistor Logic (TTL) level signal) of the optical transmitter drives an optical signal, the optical signal is coupled to the plastic optical fiber and transmitted to the optical receiver through the plastic optical fiber, the light receiver restores the optical signal to the electric signal (such as a TTL level signal), and data processing is carried out by the data concentrator to finish the whole process of POF (plastic optical fiber) intelligent electric power meter reading. The meter reading system has the advantages of excellent electromagnetic interference resistance, high reliability, strong confidentiality, high sensitivity, smaller volume, simpleness in preparation, low cost, waterproof and moisture-proof properties and long service life.

Description

technical field [0001] The invention belongs to the field of digital information transmission on electric power lines, and in particular relates to a plastic optical fiber power meter reading system. Background technique [0002] The existing electric remote automatic meter reading system adopts a two-stage reporting mechanism. The first stage is from the meter to the concentrator, and the transmission method is RS485 and 220V power carrier; the second stage is from the concentrator to the power management center, and the transmission method is wired local telephone network, broadband metropolitan area network, GPRS, wireless communication network and 10kV power line carrier network. Except for the power line carrier, the other transmission methods need to rent an external information network, and the operating cost is relatively high. However, the anti-interference ability of the power line carrier is poor, and the carrier meter reading system is easily affected by the ele...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G08C23/06
Inventor 田世明张海亮
Owner CHINA ELECTRIC POWER RES INST
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