Trigger signal transmission device and method based on single-mode fiber

A trigger signal and single-mode optical fiber technology, applied in the field of signal transmission, to achieve the effects of undistorted transmission, reduced workload, and low delay

Pending Publication Date: 2022-08-09
STATE GRID XINYUAN +3
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

[0004] The present invention proposes a trigger signal transmission device and system based on single-mode optical fiber to solve the problem of how to transmit trigger signals quickly, efficiently and without distortion

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  • Trigger signal transmission device and method based on single-mode fiber
  • Trigger signal transmission device and method based on single-mode fiber
  • Trigger signal transmission device and method based on single-mode fiber

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Embodiment Construction

[0041] Exemplary embodiments of the present invention will now be described with reference to the accompanying drawings, however, the present invention may be embodied in many different forms and is not limited to the embodiments described herein, which are provided for the purpose of this thorough and complete disclosure invention, and fully convey the scope of the invention to those skilled in the art. The terms used in the exemplary embodiments shown in the drawings are not intended to limit the invention. In the drawings, the same elements / elements are given the same reference numerals.

[0042] Unless otherwise defined, terms (including scientific and technical terms) used herein have the commonly understood meanings to those skilled in the art. In addition, it is to be understood that terms defined in commonly used dictionaries should be construed as having meanings consistent with the context in the related art, and should not be construed as idealized or overly formal...

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PUM

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Abstract

The invention discloses a trigger signal transmission device and method based on a single-mode optical fiber, and the device comprises a transmitting end which is used for preprocessing a first trigger electric signal outputted by a sensor, and transmitting the first trigger electric signal to a receiving end when the preprocessed first trigger electric signal is greater than or equal to a preset adjustable reference voltage; converting the preprocessed first trigger electric signal into a first trigger optical signal; and the receiving end is used for converting the trigger optical signal into a second trigger electric signal so as to output the second trigger electric signal to online monitoring equipment. According to the invention, signal transmission with low time delay, small waveform distortion and small signal attenuation can be provided for power transmission and transformation equipment when measuring points are far away and accurate synchronous state monitoring is needed, trigger signals can be transmitted quickly, efficiently and without distortion, the workload is greatly reduced, and the working quality is remarkably improved.

Description

technical field [0001] The present invention relates to the technical field of signal transmission, and more particularly, to a trigger signal transmission device and method based on a single-mode optical fiber. Background technique [0002] Existing pumped-storage hydropower stations or conventional hydropower stations mostly use underground power plants and ground switch stations for outgoing line configuration, so the high-voltage side of underground main transformers and ground switch stations are generally connected by long ultra-high-voltage cables, and the distance is relatively long. When it is necessary to monitor the synchronization state of the power transmission and transformation equipment in the underground power plant and the ground switching station, the delay, waveform distortion and signal attenuation of the trigger signal can not be ignored. There is currently a lack of devices for transmitting trigger signals based on single-mode fiber. [0003] Therefor...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H04B10/25H04Q9/00H02J13/00
CPCH04B10/25H04Q9/00H02J13/00002H02J13/00019
Inventor 赵利军陈磊王磊唐亮马国明曹猛王伟刘昊秦炜淇戴敏何慧雯
Owner STATE GRID XINYUAN
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