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

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

A kind of 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 technique

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 are further developed. Followed by, especially in the optical communication related equipment such as data centers or telecommunication equipment rooms, the construction work such as changing or discarding or adding optical transmission paths is frequently carried out. The current management method is to put paper on the jumper. Label, manage the optical fiber communication direction address and transmission content of this port, but due to a large number of changes or demolition and construction business need to reprint the paper label, the workload has increased sharply, and the actual operator's error or lack of due diligence caused paper The content of the quality label is far from the actual optical transmission content, and there are many errors, which caused great trouble to the construction of the later builders, and also greatly reduced the work efficiency and increased the operation and maintenance cost.

In order to solve the above problems, the applicant has proposed a Chinese invention patent application titled "Detection Device for Extracting Optical Signal, SC Optical Fiber Adapter and FC Optical Fiber Adapter" and the application number is "202011300841.6". Wherein, the structure of the detection device includes: a ferrule, a pre-embedded optical fiber arranged in an axial hole of the ferrule, a photodetector arranged in a notch of the ferrule, a cutout for allowing the optical signal to be emitted on the fiber, and the cutout is provided with at the bottom of the notch of the ferrule, and align with the photodetector. The detection device is installed in the SC fiber optic adapter or the FC fiber optic adapter. The existing problems are: 1. A short ferrule-integrated optical fiber needs to be pre-buried in the adapter, and the externally connected optical fiber is coupled with the pre-buried optical fiber through the adapter, and there will be a part of the optical signal loss; 2. The overall structure is complex and the assembly is troublesome , and the cost is high.

SUMMARY OF THE INVENTION

The technical problem to be solved by the present invention is to provide an intelligent sensing optical fiber and an optical fiber fusion splice tray assembly with less optical signal loss, simple and reliable structure, easy assembly and low cost.

In order to solve the above-mentioned problems, the technical scheme adopted in the present invention includes:

The optical fiber jumper is provided with at least one exposed fiber core, and the fiber core is provided with a cutout for the optical signal to be emitted;

The base is provided with optical fiber jumper positioning grooves at both ends and a fiber core positioning groove in the middle. The optical fiber jumper is fixed in the optical fiber jumper positioning groove of the base, and the fiber core is fixed on the base. in the fiber core positioning slot, and the incision is upward;

an optical signal extraction device, which is installed on the base in alignment with the cutout of the optical fiber jumper, and is used for extracting the optical signal emitted by the optical fiber core;

The base is provided with optical fiber jumper positioning grooves at both ends and a core positioning groove in the middle. The fiber core is fixed in the core positioning groove of the base, and the fiber core is fixed on the fiber core of the base. in the core positioning groove, and the incision faces upward;

an optical signal extraction device, installed on the base with a cut aligned with the fiber core, for extracting the optical signal emitted by the fiber core;

The upper seat is installed on the base, and the upper end thereof is provided with a signal line positioning groove;

The signal line is fixed in the signal line positioning groove of the upper base, and the conductors thereof are respectively electrically connected with the signal output terminals of the optical signal extraction device.

The intelligent sensing optical fiber is characterized in that: the optical fiber jumper positioning slot includes a first optical fiber jumper positioning slot and a second optical fiber jumper positioning slot.

The intelligent sensing optical fiber is characterized in that: the end of the signal line is provided with a connector socket.

The intelligent sensing optical fiber is characterized in that: the bottom of the base is provided with at least one card slot.

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 bottom of the upper seat is provided with positioning ribs on both sides, and the base is provided with a first positioning groove that is positioned and matched with the positioning ribs.

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

The intelligent sensing optical fiber is characterized in that: the base, the upper base, the optical signal extraction device, the fiber core, and the signal line are wrapped with heat shrinkable sleeves.

The intelligent sensing optical fiber is characterized in that a group of anti-internal stress grooves are arranged on the surface of the base and the upper base.

An optical fiber fusion splicing tray assembly, comprising an optical fiber fusion splicing tray body, is characterized in that: a group of the above-mentioned intelligent sensing optical fibers are installed on the optical fiber fusion splicing tray body.

The advantages of the intelligent sensing optical fiber and the optical fiber fusion splice tray assembly of the present invention are as follows:

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

2. Through the design of multiple positioning structures on the base and the upper seat, the precise positioning between the optical core, the optical signal extraction device and the signal line can be realized to ensure that the optical signal can be extracted smoothly;

3. The intelligent sensing optical fiber can be combined with the optical fiber fusion splicing tray to form an assembly to facilitate the wiring of the equipment room.

Description of drawings

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

Fig. 1 is the structural schematic diagram of the intelligent sensing optical fiber of the present invention;

Fig. 2 is the exploded view of the intelligent sensing optical fiber of the present invention;

Fig. 3 is the sectional view of the intelligent sensing optical fiber of the present invention;

Fig. 4 is the structural representation of the optical fiber of the present invention;

Fig. 5 is the front structure schematic diagram of the base of the present invention;

Fig. 6 is the bottom structure schematic diagram of the base of the present invention;

Fig. 7 is the front structure schematic diagram of the upper seat of the present invention;

Fig. 8 is the bottom structure schematic diagram of the upper seat of the present invention;

9 is a schematic structural diagram of an optical signal receiving device of the present invention;

Fig. 10 is a partial enlarged view of Fig. 3;

11 is a schematic structural diagram of the optical fiber fusion splice tray assembly of the present invention.

Detailed ways

Embodiment 1:

As shown in FIGS. 1 to 10, an 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 base 8 and a signal line 10. Both ends of the optical fiber jumper 1 are equipped with connector plugs 24 for realizing active connection of optical paths. The optical fiber jumper 1 is provided with a section of exposed fiber core 2 by peeling off its outer layer (cladding layer and coating layer). The base 4 is roughly in the shape of a shuttle, and both ends of the base 4 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 core 2 is fixed in the core positioning groove 6 of the base 4, the core 2 is fixed in the core positioning groove 6 of the base 4, and the cut 3 of the core 2 faces superior. The optical signal extraction device 7 is installed in the middle of the base 4 in alignment with the cutout 3 of the fiber core 2, and is used for extracting the optical signal emitted by the optical fiber core 2. The optical signal extraction device 7 is a well-known technology. I won't go into details here. The upper seat 8 is mounted on the base 4 , and the upper end of the upper seat 8 is provided with a signal line positioning groove 9 . The signal line 10 is fixed in the signal line positioning groove 9 of the upper base 8, and the conductors 11 of the signal line 10 are respectively welded with the signal output terminals 12 of the optical signal extraction device 7, for extracting the extracted light. The signal is sent out.

Preferably, the optical fiber jumper positioning slot 5 includes a first optical fiber jumper positioning slot 501 and a second optical fiber jumper positioning slot 502 . By stripping the cladding layer 22 and the coating layer 23 of the optical fiber jumper 1 respectively, the coating layer of the optical fiber jumper 1 is fixed in the first optical fiber jumper positioning groove 501, and the optical fiber jumper The cladding of the wire 1 is fixed in the second optical fiber jumper positioning slot 502 . In order to further improve the stability of the optical fiber jumper 1 after installation.

Preferably, the end of the signal wire 10 is provided with a connector socket 13 for connecting with the connector plug of the detection terminal to facilitate wiring.

Preferably, the bottom of the base 4 is provided with a slot 14 arranged at intervals, through which the base 4 can be clamped on the optical fiber fusion splice tray to facilitate installation.

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

Preferably, two sides of the bottom of the upper seat 8 are provided with positioning ribs 15, and the base 4 is provided with a first positioning groove 16 which is positioned and matched with the positioning ribs 15, so as to realize the positioning of the base 4, Precise positioning between the upper seats 8 .

Preferably, both ends of the base 4 are provided with positioning bumps 17 , and the upper base 8 is provided with a second positioning groove 18 that is positioned and matched with the positioning bumps 17 , so as to further realize the positioning of the base 4 , Precise positioning between the upper seats 8 .

Preferably, the base 4 , the upper base 8 , the optical signal extraction device 7 , the fiber core 2 , and the signal wire 10 are wrapped with a heat shrinkable sleeve 19 , and the heat shrinkable sleeve 19 can well realize the The seat 4 , the upper seat 8 , the optical signal extraction device 7 , the fiber core 2 , and the signal line 10 are fixed, and also play the role of insulation, dustproof and waterproof.

Preferably, a set of anti-internal stress grooves 20 are provided on the surfaces of the base 4 and the upper base 8 . In order to prevent the base 4 and the upper base 8 from being deformed due to the internal stress of the plastic during the cooling process after injection molding, so as to further improve the precise positioning between the optical core, the optical signal extraction device and the signal line.

Embodiment 2:

As shown in FIG. 11 , an optical fiber fusion splicing tray assembly of the present invention includes an optical fiber fusion splicing tray body 21 on which a group of intelligent sensing optical fibers a described in Embodiment 1 are installed.

The above are only preferred embodiments of the present invention and are not intended to limit the present invention. Any modifications, equivalent replacements and improvements made within the spirit and principles of the present invention are included in the protection scope of the present invention. Inside.

Claims (10)

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.

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