JP2003244834A - Optical seabed relay terminal processing apparatus - Google Patents

Abstract

<P>PROBLEM TO BE SOLVED: To provide an optical seabed relay terminal processing apparatus fitted to an optical seabed relay that is connected to an optical seabed cable for amplifying transmission signals, where a power feed chip and an optical fiber can be easily inspected. <P>SOLUTION: One surface of a terminal processing device 14 houses a power feed cable 7, a power feeding chip 8, and an optical fiber 10, while the other surface houses an optical fiber 10, etc. Fiber housing grooves 14a and 14b are connected together, so that the optical fiber 10 is continuously housed in the terminal processing device 14. The housing surface of the terminal processing device 14 is so fitted as to be directed to open space. <P>COPYRIGHT: (C)2003,JPO

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to an optical submarine repeater terminal processing device attached to an optical submarine repeater that is connected to an optical submarine cable and amplifies a transmission signal. The present invention relates to a power feeding cable for a submarine repeater terminal, a power feeding chip attached to the tip of the submarine repeater terminal, and an optical submarine repeater terminal processing device for protecting and housing an optical fiber exposed from the tip of the power feeding chip.

[0002]

2. Description of the Related Art FIG. 6 is an explanatory view showing the structure of a conventional optical submarine repeater terminal processing device. 7 is a view taken in the direction of arrow F in FIG. 6, and FIG. 8 is a view taken in the direction of arrow G in FIG. In FIG. 6, 1 is an optical submarine repeater, 2 is an end face plate, 7 is a feeding cable, and an optical fiber 10 passes through the inside. Further, 21 is a terminal processing tool A, 22 is a terminal processing tool B, 23 is a terminal processing tool C, 5 is a stay for mounting the terminal processing tool A21 on the end face plate 2, and 11 is a dummy optical fiber.

The stay 5, the terminal processing tool A21, the terminal processing tool B22, and the terminal processing tool C23 are fixed with screws and can be separated. Also, for example, the terminal processing tool B
It is also possible to remove 22 and the terminal processing tool C23 from the terminal processing tool A21 while keeping them integrated.

FIG. 7 shows a terminal processing structure of the terminal processing tool A21. Reference numeral 7 is a power supply cable, 8 is a power supply chip attached to the tip of the power supply cable, and 9 is a power supply chip for protecting and storing the power supply chip 8. Protective equipment 24 is a protective tube accommodating the optical fiber 10. The protective tube 24 is connected to the end treatment tool B22 from the end treatment tool A21 and protects the optical fiber 10 from damage.

The terminal processing tool A21 has a terminal processing structure only on the surface shown in FIG. Further, a terminal processing tool B22 is attached so as to cover the surface.

FIG. 8 shows a terminal processing structure of the terminal processing tool B22. 22a is an optical fiber housing groove provided in the terminal processing tool B22, and 12 is the optical fiber 10 and the dummy optical fiber 11 which are fused and connected. It is an optical fiber fusion part storage tool for protecting and storing a part. The optical fiber 10 guided to the terminal processing tool B22 has an optical fiber storage groove 22a.
After that, the optical fiber fusion section storage tool 12 is reached.

The terminal processing tool B22 has a terminal processing structure only on the surface shown in FIG. Further, a terminal processing tool C23 is attached so as to cover the surface. The dummy optical fiber 11 is guided from the optical fiber fusion unit storage tool 12 to the terminal processing tool C23 and stored.

[0008]

[Problems to be Solved by the Invention] Terminal processing tools 21, 22
The power feeding chip 8 and the optical fiber 10 housed in
It is a connection interface with the submarine cable and is an important part. Therefore, it is necessary to inspect the appearance and the like in the manufacturing process.

In the prior art, the power supply chip 8 is housed in a form sandwiched between the terminal processing tool A21 and the terminal processing tool B22. Therefore, in order to inspect the power supply chip 8, the terminal processing tool B22 must be removed from the terminal processing tool A21.

However, the terminal processing tool A21 and the terminal processing tool B
Since the space 22 is connected by the protective tube 24 and the optical fiber 10 housed therein, the optical fiber 1 housed in the protective tube 24 at all times is inspected during the inspection of the feeding chip 8.
Terminal processing tool B at a position where no mechanical load is applied to 0
22 must be retained.

On the other hand, the optical fiber 10 has a protective tube 24.
Since the optical fiber 10 is protected and stored in the protection tube 24, the optical fiber 10 must be once pulled out from the protection tube 24, tested, and then stored in the protection tube 24 again.

The present invention has been made in order to eliminate the above-mentioned drawbacks, and a power supply cable, a power supply chip attached to the tip of the power supply cable, and an optical fiber exposed from the power supply chip are provided from one side to a side surface. By configuring both sides of the terminal treatment tool so that it can be continuously stored in the storage groove connected to the other side through the single terminal It is stored in the processing tool, and the optical fiber does not cross over between the multiple terminal processing tools as in the prior art, and the protective tube is unnecessary, and it is pulled out from the protective tube during the inspection of the optical fiber, which was a problem. The task is to eliminate work and improve inspection workability. Also, by storing the power supply chip and the part to be inspected of the optical fiber on the same surface, and attaching a protective cover to the storage surface, and by mounting it facing the end face plate of the optical submarine repeater, it is possible to use the same method as in the prior art. An object of the present invention is to eliminate the need to always hold another terminal processing tool and to enable inspection by simply removing the protective cover.

Furthermore, by mounting the power supply chip of the terminal processing tool and the storage surface of the optical fiber in a direction of 90 ° with respect to the end face plate of the optical submarine repeater, the mounting is performed so as to face the open space. Improve workability.

Further, by making the protective cover of the feeding chip and the storage surface of the optical fiber transparent, the optical fiber can be inspected without removing the cover.

[0015]

An optical submarine repeater terminal processing apparatus according to the present invention is attached to a power feeding cable and a tip of a power feeding cable in a storage groove on one surface which is connected to the other surface through a side surface. And a terminal treatment tool capable of accommodating the optical fiber exposed from the tip of the power feeding tip, and a cover for covering the one surface of the terminal treatment tool, and attached to an optical submarine repeater. An optical submarine repeater terminal processing device, wherein the one surface is attached so as to face the end face plate of the optical submarine repeater.

In the optical submarine repeater terminal processing device according to the present invention, a power feeding cable, a power feeding chip attached to the tip of the power feeding cable, in a storage groove on one surface connected to the other surface through a side surface, And an optical submarine repeater terminal treatment having an end treatment tool capable of accommodating an optical fiber exposed from the tip of the power feeding chip and a cover covering the one surface of the end treatment tool, and being attached to the optical submarine repeater The device is characterized in that the one surface is attached so as to face the direction of the open space.

The cover is transparent.

[0018]

BEST MODE FOR CARRYING OUT THE INVENTION Embodiment 1. FIG. 1 is an overall view of an optical submarine repeater showing an optical submarine repeater terminal processing structure according to the present invention. In FIG. 1, 1 is an optical submarine repeater, and 2 is an end face plate. Further, FIG. 2 is a diagram showing a portion A of FIG.
3 is a view taken in the direction of arrow B in FIG. 2, and FIG. 4 is a view taken in the direction of arrow C in FIG.

In FIG. 2, 3 is a first terminal processing tool, 4
Is a second terminal treatment tool, 5 is a stay for attaching the first terminal treatment tool 3 to the end plate 2, 6 is a cover of the first terminal treatment tool 3, 7 is a power supply cable, and 11 is a second The dummy optical fiber 13 accommodated in the terminal treatment tool 4 is a screw for attaching the cover 6 to the first terminal treatment tool 3.

As shown in FIG. 3, one surface of the first terminal processing tool 3 has a power feeding cable 7, a power feeding chip 8 attached to the tip of the power feeding cable 7, and a power feeding chip protector in which the power feeding chip 8 is protected and housed. 9 and the optical fiber 10 exposed from the tip of the power feeding chip 8 can be housed. Further, as shown in FIG. 4, the other surface can accommodate the optical fiber 10, the dummy optical fiber 11, and the optical fiber fusion part accommodating tool 12 for accommodating the fusion splicing part thereof.

The optical fiber storage groove 3a provided on one surface of the first terminal processing tool 3 and the optical fiber storage groove 3b provided on the other surface are connected through the side surface of the first terminal processing tool 3. ing. Therefore, the optical fiber 10 exposed from the tip of the power feeding chip 8 is always provided with the optical fiber storage groove 3a and the optical fiber storage groove 3b provided in the first terminal processing tool 3 until it is connected to the dummy optical fiber 11. Further, since it is in a state of being housed in the optical fiber housing groove that connects them, it is not necessary to use a protection tube or the like for protection.

As shown in FIG. 2, the first terminal processing tool 3 uses the stay 5 to supply the power supply cable 7, the power supply chip 8 connected to the tip of the power supply cable 7, and the power supply chip in which the power supply chip 8 is protected and stored. The protective device 9 and the surface of the power feeding chip 8 which is exposed from the tip and accommodates the optical fiber 10 are attached so as to face the end face plate 2. Also, cover 6 for protection
Are attached by screws 13.

The power supply chip 8 and the optical fiber 1 described above
0 is a connection interface between the submarine cable and the optical submarine repeater, which is a very important part. Therefore, it is necessary to inspect them even in the repeater manufacturing process.

In the terminal treatment structure of the present invention, by attaching the first terminal treatment tool 3 described above, the power supply tip protector 9 is exposed when the cover 6 is removed, and the space portion with the end face plate 2 is exposed. By utilizing this, it becomes possible to easily inspect the power feeding chip 8 housed inside.

The length of the optical fiber 10 from the tip of the feeding chip 8 required for connection with the submarine cable is specified, but the portion beyond that is connected to the dummy optical fiber 11. Because it is extra length, it does not require inspection. Therefore, the portion requiring inspection is stored in the optical fiber storage groove 3a on the same surface as the power supply chip storage surface, and the remaining portion is stored in the optical fiber storage groove 3b. Inspection of the fiber 10 can be performed.

The dummy optical fiber 11 is guided to and housed in the second terminal processing tool 4 in a form protected by a protective tube or the like. At this time, the second terminal processing tool 4 is the first
It also serves as a cover for the terminal processing tool 3.

Embodiment 2. FIG. 5 is a diagram showing the same part as FIG. 2 in showing the second embodiment, and FIG.
5A is a view as viewed from the direction of arrow D, and FIG. 5C is a view as viewed from the direction of arrow E of FIG. In FIG. 5, 14 is a third terminal processing tool,
Reference numeral 14a is an optical fiber storage groove provided on one surface of the third terminal processing tool 14, and 14b is an optical fiber storage groove provided on the other surface of the third terminal processing tool 14. Also, 1
5 is a cover of the third terminal processing tool 14, 16 is a cover 15
It is a screw to attach. Although the components corresponding to the second terminal processing tool 4 in the first embodiment described above are omitted,
It has the same configuration as the above-mentioned embodiment.

The third terminal processing tool 14 has the same function as the first terminal processing tool 3 described above. FIG. 5 shows that the third terminal treatment tool 14 is attached by the stay 5 so that the surface accommodating the feeding chip 8 and the optical fiber 10 faces the direction of 90 ° with respect to the end face plate 2. Is shown. With such a configuration, when the cover 15 is removed, the feeding chip 8 and the optical fiber 10
Is exposed to the open space side, which improves inspection workability.
The storage surface may be attached so as to face the open space side, and does not need to be 90 ° with respect to the end plate 2. Four
0 ° to 50 °, 50 ° to 60 °, 60 ° to 70 °, 70
° -80 °, 80 ° -90 °, 90 ° -100 °, 10
0 ° to 110 °, 110 ° to 120 °, 120 ° to 13
0 °, 130 ° -140 °, 140 ° -150 °, 15
0 ° to 160 °, 160 ° to 170 °, or 170
It is also effective at ° to 180 °.

Embodiment 3. In the third embodiment,
By making the cover 6 of the first embodiment transparent, it is possible to inspect the optical fiber 10 without removing the cover 6.

Fourth Embodiment In the fourth embodiment,
By making the cover 15 of the second embodiment transparent,
The optical fiber 10 can be inspected without removing the cover 15.

[0031]

According to the optical submarine repeater terminal processing structure according to the first embodiment of the present invention, the power supply cable, the power supply chip attached to the tip thereof, and the power supply chip are provided on both surfaces of the terminal processing tool. Protective housing for the power supply tip protector and the optical fiber exposed from the tip of the power supply tip have a structure that can be continuously stored in a storage groove that passes from one surface to the side surface and is connected to the other surface. By mounting the chip-housing surface so as to face the end face plate of the optical submarine repeater, the power supply chip and the optical fiber, which are indispensable in the manufacturing process, can be easily inspected simply by removing the cover.

According to the optical submarine repeater terminal processing structure according to the second embodiment of the present invention, the surface of the terminal processing tool in which the power feeding chip and the optical fiber are accommodated is 90 degrees relative to the end face plate of the optical submarine repeater. By mounting so as to face in the direction of °, it faces the direction of the open space, so that the inspection workability is further improved as compared with performing inspection with the end face plate.
The angle with respect to the end face plate does not necessarily have to be 90 °.

According to the optical submarine repeater terminal processing structure according to the third and fourth embodiments of the present invention, by making the cover of the terminal processing tool transparent, the optical fiber can be inspected without removing the cover. .

[Brief description of drawings]

FIG. 1 is an explanatory diagram showing a submarine repeater according to Embodiment 1 of the present invention.

FIG. 2 is a diagram of an end reel structure showing the first embodiment.

FIG. 3 is a view on arrow B of FIG.

FIG. 4 is a view on arrow C of FIG.

FIG. 5 is a diagram of an end reel structure showing the second embodiment.

FIG. 6 is a diagram illustrating a conventional technique.

FIG. 7 is a view on arrow F of FIG.

FIG. 8 is a view on arrow G in FIG.

[Explanation of symbols]

DESCRIPTION OF SYMBOLS 1 Optical submarine repeater, 2 End plate, 3 1st terminal treatment tool, 3a, 3b optical fiber storage groove, 4 2nd terminal treatment tool, 5 stays, 6 cover, 7 power supply cable,
8 power feeding tip, 9 power feeding tip protector, 10 optical fibers, 11 dummy optical fibers, 12 optical fiber fusion part storage tool, 13 screws, 14 third terminal processing tool, 1
4a, 14b optical fiber storage groove, 15 cover, 16
Screw, 21 terminal processing tool A, 22 terminal processing tool B, 2
2a optical fiber storage groove, 23 end treatment tool C, 24 protective tube.

Claims (3)

[Claims] 1. A power feeding cable, a power feeding chip attached to the tip of the power feeding cable, and an optical fiber exposed from the tip of the power feeding chip in a housing groove on one surface that passes through the side surface and connects to the other surface. And a cover that covers the one surface of the terminal processing tool,
An optical submarine repeater terminal processing device attached to an optical submarine repeater, characterized in that the optical submarine repeater terminal processing device is installed so that the one surface faces the end plate of the optical submarine repeater. . 2. A power feeding cable, a power feeding chip attached to the tip of the power feeding cable, and an optical fiber exposed from the tip of the power feeding chip in a housing groove on one surface that passes through the side surface and connects to the other surface. And a cover that covers the one surface of the terminal processing tool,
An optical submarine repeater terminal processing device attached to an optical submarine repeater, wherein the one surface is installed so as to face the direction of the open space. 3. The optical submarine repeater terminal processing device according to claim 1, wherein the cover is transparent.