CN114355522A

CN114355522A - Intelligent sensing optical fiber and optical fiber fusion splice tray assembly

Info

Publication number: CN114355522A
Application number: CN202210047058.6A
Authority: CN
Inventors: 林昌其; 黄金安; 许振源
Original assignee: Zhejiang Shenhua Electronic Technology Co ltd
Current assignee: Zhejiang Shenhua Electronic Technology Co ltd
Priority date: 2022-01-17
Filing date: 2022-01-17
Publication date: 2022-04-15

Abstract

The invention discloses an intelligent sensing optical fiber and an optical fiber fusion splice tray assembly which are low in optical signal loss, simple and reliable in structure, easy to assemble and low in cost. The technical scheme adopted comprises the following steps: the optical fiber patch cord is at least provided with a section of fiber core exposed outside, and the fiber core is provided with a notch for emitting an optical signal; the optical fiber jumper wire positioning groove is formed in the two ends of the base, the fiber core positioning groove is formed in the middle of the base, the optical fiber jumper wire is fixed in the optical fiber jumper wire positioning groove of the base, the fiber core is fixed in the fiber core positioning groove of the base, and the notch of the fiber core is upward; the optical signal extraction device is aligned with the notch of the optical fiber jumper wire, is arranged on the base and is used for extracting the optical signal emitted by the fiber core; the optical fiber patch cord positioning groove is formed in the two ends of the base, the fiber core positioning groove is formed in the middle of the base, the fiber core is fixed in the fiber core positioning groove of the base, and the fiber core is fixed in the fiber core positioning groove of the base and the notch of the fiber core is upward.

Description

Intelligent sensing optical fiber and optical fiber fusion splice tray assembly

Technical Field

The invention relates to the technical field of communication, in particular to a sensing optical fiber and an optical fiber fusion splice tray.

Background

In recent years, in the field of communications, optical fibers capable of high-speed and large-capacity transmission have become the mainstream of transmission lines, and have been further developed. Accordingly, especially in the optical communication related devices of the data center or the telecommunication room, the construction work such as the change, abandonment, increase, etc. of the optical transmission path is frequently performed, the current management mode is to print paper labels on the patch cords to manage the optical fiber communication direction address and the transmission content of the port, but the workload is greatly increased due to the fact that a large amount of change or dismantling business needs to print paper labels again, the error of the actual operator or lack of responsibility causes the paper label content and the actual optical transmission content to be far away, the error is all the more, the construction of the subsequent constructors is greatly disturbed, meanwhile, the working efficiency is greatly reduced, and the operation and maintenance cost is increased.

In order to solve the above problems, the applicant has proposed an application of chinese invention patent entitled "detection apparatus for extracting optical signal, SC optical fiber adapter and FC optical fiber adapter" with application number "202011300841.6". Wherein, detection device's structure includes: the optical fiber is provided with a notch for emitting an optical signal, and the notch is arranged at the bottom of the notch of the ferrule and aligned with the optical detector. The detection device is installed in an SC fiber adapter or an FC fiber adapter. There are problems in that: 1. a section of short ferrule integrated optical fiber needs to be embedded in the adapter, and the externally accessed optical fiber is coupled with the embedded optical fiber through the adapter, so that a part of optical signals are lost; 2. the whole structure is complex, the assembly is troublesome and the cost is high.

Disclosure of Invention

The invention aims to provide an intelligent sensing optical fiber and an optical fiber fusion splice tray assembly which have the advantages of less optical signal loss, simple and reliable structure, easiness in assembly and low cost.

In order to solve the above problems, the technical scheme adopted by the invention comprises:

the optical fiber patch cord is at least provided with a section of fiber core exposed outside, and the fiber core is provided with a notch for emitting an optical signal;

the optical fiber jumper wire positioning groove is formed in the two ends of the base, the fiber core positioning groove is formed in the middle of the base, the optical fiber jumper wire is fixed in the optical fiber jumper wire positioning groove of the base, the fiber core is fixed in the fiber core positioning groove of the base, and the notch of the fiber core is upward;

the optical signal extraction device is aligned with the notch of the optical fiber jumper wire, is arranged on the base and is used for extracting the optical signal emitted by the fiber core;

the optical fiber patch cord positioning groove is formed in each of the two ends of the base, the fiber core positioning groove is formed in the middle of the base, the fiber core is fixed in the fiber core positioning groove of the base, and the fiber core is fixed in the fiber core positioning groove of the base with an upward notch;

the optical signal extraction device is arranged on the base in alignment with the notch of the fiber core and used for extracting the optical signal emitted by the fiber core;

the upper seat is arranged on the base, and the upper end of the upper seat is provided with a signal wire positioning groove;

and the signal wire is fixed in the signal wire positioning groove of the upper seat, and the conductors of the signal wire are respectively and electrically connected with the signal output terminal of the optical signal extraction device.

The intelligent sensing optical fiber is characterized in that: the optical fiber jumper wire positioning groove comprises a first optical fiber jumper wire positioning groove and a second optical fiber jumper wire positioning groove.

The intelligent sensing optical fiber is characterized in that: and a connector socket is arranged at the end part of the signal wire.

The intelligent sensing optical fiber is characterized in that: the bottom of base is equipped with a draw-in groove at least.

The intelligent sensing optical fiber is characterized in that: the upper seat is composed of a first upper seat and a second upper seat which are oppositely arranged, and the optical signal extraction device is fixed between the first upper seat and the second upper seat.

The intelligent sensing optical fiber is characterized in that: the base is provided with a first positioning groove matched with the positioning convex rib in a positioning mode.

The intelligent sensing optical fiber is characterized in that: and two ends of the base are provided with positioning lugs, and the upper seat is provided with a second positioning groove matched with the positioning lugs in a positioning manner.

The intelligent sensing optical fiber is characterized in that: the base, the upper seat, the optical signal extraction device, the fiber core and the signal wire are wrapped by thermal shrinkage sleeves.

The intelligent sensing optical fiber is characterized in that: a group of internal stress preventing grooves are formed in the surfaces of the base and the upper seat.

The utility model provides an optical fiber splice tray assembly, includes optical fiber splice tray body, its characterized in that: the optical fiber fusion splice tray body is provided with a group of intelligent sensing optical fibers.

The intelligent sensing optical fiber and optical fiber fusion splice tray assembly has the following advantages:

1. the optical signal extraction device is directly connected with the optical fiber jumper, and has the advantages of less optical signal loss, simple and reliable structure and easy assembly;

2. through the design of a plurality of positioning structures of the base and the upper seat, the optical core, the optical signal extraction device and the signal wire can be accurately positioned, so that the optical signal can be successfully extracted;

3. the intelligent sensing optical fiber and the optical fiber fusion splice tray can be combined to form an assembly, so that wiring of a machine room is facilitated.

Drawings

The present invention will be described in further detail with reference to the accompanying drawings and specific embodiments.

FIG. 1 is a schematic structural diagram of a smart sensor fiber according to the present invention;

FIG. 2 is an exploded view of the smart sensor fiber of the present invention;

FIG. 3 is a cross-sectional view of a smart sensor fiber of the present invention;

FIG. 4 is a schematic diagram of the structure of an optical fiber of the present invention;

FIG. 5 is a schematic front view of the base of the present invention;

FIG. 6 is a schematic bottom view of the base of the present invention;

FIG. 7 is a schematic front view of the upper housing of the present invention;

FIG. 8 is a bottom view of the upper housing of the present invention;

FIG. 9 is a schematic structural diagram of an optical signal receiving apparatus according to the present invention;

FIG. 10 is an enlarged view of a portion of FIG. 3;

fig. 11 is a schematic structural view of an optical fiber splice tray assembly of the present invention.

Detailed Description

Example 1:

as shown in fig. 1 to 10, the intelligent sensing optical fiber of the present invention includes an optical fiber jumper 1, a base 4, an optical signal extraction device 7, an upper seat 8, and a signal line 10. And connector plugs 24 are arranged at two ends of the optical fiber jumper wire 1 and used for realizing movable connection of optical paths. The optical fiber jumper 1 is provided with a section of fiber core 2 exposed outside by stripping an outer layer (a cladding layer and a coating layer) of the optical fiber jumper, and the fiber core 2 is provided with a notch 3 for emitting an optical signal. The base 4 is roughly in a shuttle shape, the two ends of the base are provided with optical fiber jumper positioning grooves 5, and the middle of the base 4 is provided with a fiber core positioning groove 6. The fiber core 2 is fixed in the fiber core positioning groove 6 of the base 4, and the notch 3 of the fiber core 2 faces upwards. The optical signal extraction device 7 is aligned with the notch 3 of the fiber core 2 and installed in the middle of the base 4 for extracting the optical signal emitted by the fiber core 2, and the optical signal extraction device 7 is a known technology and is not described herein. The upper seat 8 is installed on the base 4, and a signal line positioning groove 9 is formed in the upper end of the upper seat 8. The signal wire 10 is fixed in the signal wire positioning groove 9 of the upper seat 8, and the conductors 11 of the signal wire 10 are respectively welded with the signal output terminals 12 of the optical signal extraction device 7, so as to transmit the extracted optical signals.

Preferably, the optical fiber jumper positioning groove 5 includes a first optical fiber jumper positioning groove 501 and a second optical fiber jumper positioning groove 502. The coating layer of the optical fiber jumper 1 is fixed in the first optical fiber jumper positioning groove 501 and the coating layer of the optical fiber jumper 1 is fixed in the second optical fiber jumper positioning groove 502 by peeling the coating layer 22 and the coating layer 23 of the optical fiber jumper 1. So as to further improve the stability of the optical fiber jumper 1 after installation.

Preferably, the end of the signal line 10 is provided with a connector socket 13 for connecting with a connector plug of the test terminal for convenient wiring.

Preferably, the bottom of the base 4 is provided with a plurality of spaced slots 14, and the base 4 can be clamped to the optical fiber fusion splice tray through the slots 14, so as to facilitate installation.

Preferably, the upper seat 8 is composed of a first upper seat 801 and a second upper seat 802 which are oppositely arranged, and the optical signal extraction device 7 is fixed between the first upper seat 801 and the second upper seat 802, so as to better fix the optical fiber patch cord 1 and the optical signal extraction device 7.

Preferably, 8 bottom both sides of upper seat are equipped with location protruding muscle 15, be equipped with on base 4 with location protruding muscle 15 location fit's first constant head tank 16, it is right to realize base 4 the accurate location between the upper seat 8.

Preferably, the two ends of the base 4 are provided with positioning bumps 17, and the upper base 8 is provided with a second positioning groove 18 matched with the positioning bumps 17 in a positioning manner, so that the base 4 and the upper base 8 can be accurately positioned.

Preferably, the base 4, the upper seat 8, the optical signal extraction device 7, the fiber core 2 and the signal wire 10 are wrapped by the thermal shrinkable sleeve 19, and the base 4, the upper seat 8, the optical signal extraction device 7, the fiber core 2 and the signal wire 10 can be well fixed by the thermal shrinkable sleeve 19, and meanwhile, the functions of insulation, dust prevention and water prevention are achieved.

Preferably, the surfaces of the base 4 and the upper seat 8 are provided with a group of anti-internal stress grooves 20. After the base 4 and the upper seat 8 are subjected to injection molding, the deformation caused by the internal stress of the plastic in the cooling process is prevented, so that the accurate positioning among the optical core, the optical signal extraction device and the signal wire is further improved.

Example 2:

as shown in fig. 11, an optical fiber fusion splice tray assembly of the present invention includes an optical fiber fusion splice tray body 21, and a set of intelligent sensing optical fibers a described in embodiment 1 is mounted on the optical fiber fusion splice tray body 21.

The above description is only for the purpose of illustrating the preferred embodiments of the present invention and is not to be construed as limiting the invention, and any modifications, equivalents and improvements made within the spirit and principle of the present invention are included in the scope of the present invention.

Claims

1. An intelligent sensing optical fiber, comprising:

the optical fiber patch cord (1) is at least provided with a section of fiber core (2) exposed outside, and the fiber core (2) is provided with a notch (3) for emitting an optical signal;

the optical fiber jumper wire positioning device comprises a base (4), optical fiber jumper wire positioning grooves (5) are formed in two ends of the base (4), a fiber core positioning groove (6) is formed in the middle of the base, the optical fiber jumper wire (1) is fixed in the optical fiber jumper wire positioning groove (5) of the base (4), the fiber core (2) is fixed in the fiber core positioning groove (6) of the base (4), and a notch (3) is upward;

the optical signal extraction device (7) is aligned with the notch (3) of the optical fiber jumper (1) and is arranged on the base (4) and used for extracting the optical signal emitted by the fiber core (2);

the upper seat (8) is arranged on the base (4), and the upper end of the upper seat is provided with a signal wire positioning groove (9);

and the signal wire (10) is fixed in the signal wire positioning groove (9) of the upper seat (8), and the conductors (11) of the signal wire are respectively and electrically connected with the signal output terminal (12) of the optical signal extraction device (7).

2. The smart sensor fiber of claim 1, wherein: the optical fiber jumper positioning groove (5) comprises a first optical fiber jumper positioning groove (501) and a second optical fiber jumper positioning groove (502).

3. The smart sensor fiber of claim 1, wherein: the end of the signal wire (10) is provided with a connector socket (13).

4. The smart sensor fiber of claim 1, wherein: the bottom of the base (4) is at least provided with a clamping groove (14).

5. The smart sensor fiber of claim 1, wherein: the upper seat (8) is composed of a first upper seat (801) and a second upper seat (802) which are oppositely arranged, and the optical signal extraction device (7) is fixed between the first upper seat (801) and the second upper seat (802).

6. The smart sensor fiber of claim 1, wherein: the upper seat (8) is provided with positioning convex ribs (15) on two sides of the bottom, and the base (4) is provided with a first positioning groove (16) matched with the positioning convex ribs (15) in a positioning way.

7. The smart sensor fiber of claim 1, wherein: the base (4) both ends are equipped with location lug (17), be equipped with on upper bracket (8) with location lug (17) location complex second constant head tank (18).

8. The smart sensor fiber of claim 1, wherein: the base (4), the upper seat (8), the optical signal extraction device (7), the fiber core (2) and the signal wire (10) are wrapped by a heat-shrinkable sleeve (19).

9. The smart sensor fiber of claim 1, wherein: and a group of internal stress preventing grooves (20) are arranged on the surfaces of the base (4) and the upper seat (8).

10. An optical fiber fusion splice tray assembly, includes optical fiber fusion splice tray body (21), its characterized in that: the optical fiber fusion splice tray body (21) is provided with a group of intelligent sensing optical fibers (a) according to any one of claims 1 to 9.