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Optical fiber coupler and optical fiber plug

A technology of optical fiber coupler and optical fiber plug, which is applied in the coupling of optical waveguide, light guide, optics, etc., can solve the problems of short transmission distance, low layout density, electrostatic discharge and poor maintainability, and achieve high layout density and improve reliability operation, beneficial to the effect of inspection and maintenance

Inactive Publication Date: 2017-01-18
NR ELECTRIC CO LTD +2
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0006] The purpose of this invention is to solve the technical problems of short transmission distance, low arrangement density, electrostatic discharge and poor maintainability of fiber optic couplers used in high-voltage equipment control devices, so as to promote the application of fiber optic couplers in high-voltage occasions

Method used

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  • Optical fiber coupler and optical fiber plug
  • Optical fiber coupler and optical fiber plug
  • Optical fiber coupler and optical fiber plug

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0033] The optical fiber coupler includes an external terminal 2 and a board terminal 3; the external terminal 2 is composed of an external terminal base body 21 and N optical fiber plug channels 22 located in the external terminal base body 21, N≥1; the optical fiber plug channel 22 is used to fix the optical fiber plug 1 passing through the optical fiber plug channel 22; the board terminal 3 is composed of a board terminal base body 31 and N light-emitting tube sleeves 32 located in the board terminal base body 31; the light-emitting The tube sleeve 32 is provided with a luminous tube packaging hole 32b for packaging the luminous tube 33; There is a gap between 1 and the luminous tube 33; the optical fiber plug channel 22 corresponds to the luminous tube sleeve 32;

[0034] As a preferred solution, the board terminal base body 31 is made of insulating material, the luminous tube sleeve 32 is made of insulating metal material, and the external terminal base body 21 is made of...

specific Embodiment approach

[0037] figure 2 , image 3 , Figure 4 Shown are the front view, side view and cut-away view of a fiber optic coupler with 16 fiber channels. The seat body 21 and 16 optical fiber plug channels 22 are formed, and the board terminal 3 is composed of a board terminal seat body 31 , 16 luminous tube sleeves 32 , 16 luminous tubes 33 and a luminous tube baffle 34 . The 16 optical fiber plugs 1 are all single-core optical fibers, and the outer casing is made of conductive material. Two rows of interleaved parallel connections are adopted, such as figure 2 and image 3 As shown, it is beneficial to further increase the fiber channel arrangement density.

[0038] Figure 5 A sectional view of the external terminal 2 is given, and the external terminal base body 21 is made of conductive material. The optical fiber plug channel 22 includes two parts, namely the optical fiber plug packaging hole 22a and the optical fiber plug fixing hole 22b, and the axes of the two holes are al...

Embodiment 2

[0046] The optical fiber plug is applied to the optical fiber coupler in Embodiment 1, and the outer shell of the optical fiber plug is made of conductive material. The similarities will not be described in detail.

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Abstract

The invention discloses an optical fiber coupler used for a high-voltage equipment control device. The optical fiber coupler comprises optical fiber plugs and an external terminal, wherein the external terminal is composed of an external terminal base body and N optical fiber plug channels which are positioned in the external terminal base body, and N is greater than or equal to 1; the optical fiber plug channels are used for fixing the optical fiber plugs passing through the optical fiber plug channels; a board clamping terminal is composed of a board clamping terminal base body and N light-emitting tube sleeves arranged inside the board clamping terminal base body; a light-emitting tube packaging hole used for packaging a light-emitting tube is formed inside each light-emitting tube sleeve; when the optical fiber plugs pass through the optical fiber plug channels and the front parts of the optical fiber plugs are completely inserted in the light-emitting tube sleeves, gaps are formed between the optical fiber plugs and the light-emitting tubes; the optical fiber plug channels are in one-to-one correspondence with the light-emitting tube sleeves; and axes of one optical fiber plug channel and the corresponding light-emitting tube sleeve are aligned with each other. The invention further discloses the optical fiber plug. The optical fiber coupler has the advantages of high arrangement density, good anti-interference performance, high maintainability and the like.

Description

technical field [0001] The invention relates to an optical fiber coupler and an optical fiber plug applied to a high-voltage equipment control device. Background technique [0002] In recent years, HVDC technology has been widely used in engineering applications. The converter valve in the high-voltage direct current transmission system is composed of a large number of semiconductor devices or modules connected in series, and the trigger control circuit of these semiconductor devices communicates with the control device through optical fibers. [0003] Due to the long distance between the converter valve and the control device and the large number of optical fibers, the optical transmission system is required to have a long transmission distance and a high arrangement density. At present, the multi-core optical fiber used in the HVDC power transmission system has a large optical power attenuation and a short transmission distance. In order to meet the higher requirements o...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G02B6/42
CPCG02B6/4219G02B6/4261G02B6/4275G02B6/4283
Inventor 方太勋陈赤汉李乐乐禹雷石巍陈勇汪涛熊平
Owner NR ELECTRIC CO LTD
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