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Electrical control system based on optical cable transmission

An electrical control system and optical cable technology, applied in the field of electrical control systems based on optical cable transmission, can solve the problems of time-consuming and labor-intensive, and achieve the effect of high safety and stability

Inactive Publication Date: 2016-01-27
SHANGHAI NEW UNION ELECTRIC
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

But now because there is no reliable advanced transmission method to replace it, it can only be implemented according to the original plan, which not only costs materials: a large number of secondary line layouts; labor costs: secondary line layout; time-consuming: need to pair and debug one by one, etc.

Method used

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  • Electrical control system based on optical cable transmission

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Embodiment Construction

[0016] Such as figure 1 As shown, the electrical control system based on optical cable transmission of the present invention includes a field control box, a power distribution cabinet and a DCS system. The field control box is connected to the power distribution cabinet through an optical cable, and the power distribution cabinet is connected to the DCS system through an optical cable. The DCS The system is connected to the on-site control box through an optical cable. The on-site control box has a first microcontroller and a first photoelectric data conversion module connected to it with an optical cable interface. There is a second microcontroller in the power distribution cabinet and a The second photoelectric data conversion module and the motor protector of the optical cable interface. The optical cable interface is a multimode optical fiber interface. The installation position of the field control box is equipped with video surveillance, and the video surveillance data ...

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Abstract

The invention discloses an electrical control system based on optical cable transmission. The system comprises an on-site control box, a distribution cabinet and a DCS system. The on-site control box is connected with the distribution cabinet through an optical cable. The distribution cabinet is connected with the DCS system through an optical cable. The DCS system is connected with the on-site control box through an optical cable. A first microcontroller and a first photoelectric data conversion module which is connected with the first microcontroller and is provided with an optical cable interface are arranged in the on-site control box. A second microcontroller, a second photoelectric data conversion module which is connected with the second microcontroller and is provided with an optical cable interface, and a motor protector are arranged in the distribution cabinet. The optical cable interfaces are multimode optical fiber interfaces. Video monitor is arranged at the mounting position of the on-site control box. The video monitor data access a control room of the DCS system through an optical cable.

Description

technical field [0001] The technical field of electrical equipment of the present invention particularly relates to an electrical control system based on optical cable transmission. Background technique [0002] Low-voltage power distribution cabinets are widely used in power distribution systems and are essential equipment. With the increasing degree of automation, the content information required for monitoring and monitoring is also increasing, and there are more and more operating points for equipment control, and we have more and more control lines. A large number of wires are arranged and connected, and the signals will interfere with each other; the long-distance connection of live wires will cause the signal to attenuate; the current surge will impact the instrument, and an isolation barrier has to be installed to protect the precision instrument equipment and so on. [0003] The traditional secondary loop control is more and more unsuitable for long-distance, multi...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G05B19/418
CPCG05B19/4181G05B2219/33273
Inventor 沈文陈惠国
Owner SHANGHAI NEW UNION ELECTRIC