WO2023101101A1

WO2023101101A1 - Submarine cable connection device

Info

Publication number: WO2023101101A1
Application number: PCT/KR2022/002597
Authority: WO
Inventors: 조영창; 양은정
Original assignee: 엘에스전선 주식회사
Priority date: 2021-12-02
Filing date: 2022-02-22
Publication date: 2023-06-08
Also published as: KR20230082862A

Abstract

The submarine optical cable connection device for connecting two submarine optical cables, each comprising an optical unit including optical fibers, and an armor layer including a plurality of armoring wires encompassing the optical unit, comprises: a fixing part main body having a plurality of armor holes in which a plurality of armoring wire terminal regions of the two submarine optical cables can be accommodated, and a through hole for accommodating the optical unit; a pair of cable-coupling parts including a coupling element for fixing at least two of the plurality of armoring wires to the fixing part main body while the at least two armoring wires are accommodated in any one of the plurality of armor holes; and an optical fiber connection part which has an accommodation space for connecting the optical fibers of the two submarine optical cables while the terminals of the two submarine optical cables are fixed by the pair of cable-coupling parts, and which is coupled to the pair of cable-coupling parts while the accommodation space is tightly water-sealed.

Description

Submarine cable splicing device

The present invention relates to a submarine optical cable connection device for connecting two submarine optical cables, and more particularly, a submarine optical cable having a structure that provides stable coupling force for maintaining the connection state of two submarine optical cables, a submarine optical cable connection device, and a submarine optical cable It's about assembly.

In general, a submarine optical cable is a cable installed on the seabed to connect land and island or continent to supply communication or power. It is almost impossible to do so, so several submarine optical cables are installed between desired areas while extending the length in succession.

There is a demand for a submarine optical cable connecting device that safely and firmly connects two or more cables connected on the seabed. Here, the submarine optical cable has an armor layer composed of a plurality of armoring wires in the form of steel wire (iron wire) having a function of preventing the cable from being deformed by a tensile force generated by a fluid force or the like. It can be provided in a submarine optical cable.

A plurality of armoring wires may be disposed along the circumferential direction on the outer edge of the cross section of the submarine optical cable, and the submarine optical cable connection device uses a connection structure in which the armoring wires are received and directly coupled to provide a coupling force with the cable.

Accordingly, an object of the present invention is to provide a submarine optical cable and a submarine optical cable connection device having an optimized connection structure capable of conveniently and stably connecting two submarine optical cables.

A submarine optical cable connecting device for connecting two submarine optical cables having an optical unit including an optical fiber according to the present invention for achieving the above object and an armor layer including a plurality of armoring wires surrounding the optical unit, A fixing part body including a plurality of armor holes formed to accommodate the terminal regions of the plurality of armoring wires of the submarine optical cable and a through hole accommodating the optical unit, and at least two of the plurality of armoring wires A pair of cable fixing parts including a coupling element for fixing the above armouring wire to the main body of the fixing part while being accommodated in any one of the plurality of armor holes; and forming an accommodating space for connecting the optical fibers of the two subsea optical cables in a state where the pair of cable fixing parts fix the ends of the two subsea optical cables, sealing the accommodating space watertightly and the pair of cable connecting parts. It includes an optical fiber connection coupled with. Since at least two or more armors can be fixed while being inserted into one armor receiving hole, the convenience of the user's work can be improved, and since at least two or more armoring wires are fixed to one armor receiving hole, The stability of the connection of the two submarine cables can be improved.

Here, if the plurality of armor holes of the fixing part body are formed in 1/n pieces (n is an arbitrary integer) with respect to the number of the plurality of armoring wires, all the armoring wires can be inserted into the armor holes and fixed. It is desirable to have

And if the plurality of armor holes of the fixing part body are not formed in 1/n with respect to the number of the plurality of armoring wires, at least one armor hole among the plurality of armor holes can have an equal tensile force of the plurality of armors. When at least one armoring wire among the plurality of armoring wires is disposed and fixed in the hole, stability of the connection of the two submarine cables can be improved, which is preferable.

Here, it is preferable that the plurality of armor holes have a shape that becomes narrower along the direction in which the plurality of armoring wires are accommodated so that the armoring wires can be inserted into the armor and the coupling force can be improved.

In addition, when the plurality of armor holes are formed with an outward inclination with respect to the axis of the submarine optical cable along a direction in which the plurality of armoring wires are accommodated, it is preferable that the armoring wires coupled to the armor holes are difficult to disengage.

Here, when an engagement tooth shape is formed on the inner surface of the plurality of armor holes to prevent movement in the opposite direction of the direction in which the plurality of armoring wires are accommodated in a state in which the plurality of armoring wires are fixed by the coupling element, the armor ring It is preferable to prevent movement in a direction in which the wire is uncoupled from the state in which it is coupled to the armor hole.

And the fixing part body further includes a plurality of insertion holes into which the coupling elements can be inserted, and the insertion holes have an inclination angle such that movement in a direction opposite to the direction in which the plurality of armoring wires are inserted is prevented. In a state where the wire is accommodated in the armor hole, the fixing unit can fix the armoring wire in a direction capable of preventing the arming wire from moving in a direction in which the armouring wire is disengaged.

Here, it is preferable that the termination area of the coupling element pressing the plurality of armoring wires can prevent the movement in the direction in which the armoring wire is disengaged from being coupled to the armor hole when teeth are formed.

In addition, it is preferable to further include a sealing member interposed between the optical fiber connecting portion and the pair of cable fixing portions to prevent water from entering the portion connecting the optical fibers.

Here, when the fixing main body and the fixing element in the cable connection part are fixed by at least one of engagement, engagement, and tightening, it is preferable that the fixation can be firmly performed.

In addition, the fixing part body is preferably provided with an insertion hole capable of receiving and coupling the coupling element so that the coupling element can be coupled to the insertion hole of the fixing part body.

Here, the fixing unit body may be formed by being separated into two or more fixing bodies, and it is preferable that the two or more fixing bodies each have different numbers of armor holes so that they can be assembled according to the thickness and size of the submarine cable.

On the other hand, the submarine optical cable assembly according to the present invention for achieving the object includes a plurality of optical fibers, an optical fiber sheath accommodating the optical fibers, a bedding layer surrounding the outer circumferential surface of the optical fiber sheath, and a plurality of armoring wires surrounding the bedding layer. Two submarine optical cables including an armor layer formed and a protective layer disposed around the armor layer; and a pair of cable fixing parts for fixing the armoring wire to the armor hole. A submarine optical cable connecting device including an optical fiber connection part providing a connection space between the optical fibers, a pair of cable connection covers removing strain caused by bending of the submarine cable, and an enclosure body accommodating the cable fixing part and the optical fiber connection part; , the number of armor holes may be 1/n (n is an arbitrary integer) relative to the number of armoring wires.

According to the present invention, through an optimized connection structure between the submarine optical cable and the submarine optical cable connection device, it is possible to provide the bonding force required when connecting two submarine optical cables, and to secure a compact submarine optical cable and the submarine optical cable connection device. there is.

1 is a cross-sectional view of a submarine optical cable according to the present invention.

2 is a block diagram of a submarine optical cable connection device according to the present invention.

3 is a configuration diagram of a cable fixing unit included in the submarine optical cable connection device according to the present invention.

4 is an operation diagram of fixing a submarine optical cable according to the present invention to a submarine optical cable connection device.

5 is an operation diagram for connecting optical fibers of two submarine optical cables.

6 is a modified exemplary view of an armor receiving hole.

7 is an exemplary view of an engagement tooth type.

8 is an exemplary view of a fixing member.

Hereinafter, a submarine optical cable 2 and a submarine optical cable connection device 1 according to a preferred embodiment of the present invention will be described in detail with reference to the accompanying drawings.

1 is a cross-sectional view of a submarine optical cable 2 according to the present invention. The submarine optical cable 2 includes an optical unit 220, an armor layer 210, and a protective layer 230.

The optical unit 220 may include an optical fiber 221 , an optical fiber sheath 222 and a bedding layer 223 .

The optical fibers 2-21 are components for transmitting data through light, and may be provided with a plurality of fibers bound by a binder or bundled in the form of a ribbon.

The optical fiber sheath 222 is a component for physically protecting the optical fiber 221 from an external force, and may be composed of one or more layers. The first outer sheath 2221 of the optical fiber that directly accommodates the optical fibers 2-21 is a sheath made of metal and is preferably applied in the shape of a tube made of stainless steel, and includes a plurality of bundled optical fibers 221. It can wrap and protect the optical fiber from the outside.

The second sheath 2222 of the optical fiber surrounding the outer surface of the first sheath 2221 of the optical fiber is a sheath made of metal, preferably in the shape of a tube made of copper, and protects the optical fiber 221 from external force. It can also be used to deliver power to devices such as repeaters or to detect damaged points in cables through electrical signals.

The bedding layer 223 surrounds the optical fiber sheath 222 and protects the optical fiber 221 and the optical fiber sheath 222, and may be provided to implement an appropriately designed outer diameter considering mechanical properties of the entire cable. The bedding layer 223 may be made of a plastic polymer material, and preferably HDPE (high-density polyethylene) may be used. The bedding layer 223 may include two or more plural layers.

The armor layer 211 may be formed of a metal material such as steel wire or a high-strength plastic material to increase mechanical strength so as to protect the light unit 220 inside the cable from the external environment of the seabed. The number and outer diameter of the armoring wires 211 constituting the armor layer may be determined according to the mechanical properties required for the cable, such as tensile force, and are seated on the outside of the bedding layer 223 to form a plurality of armoring wires 211 It is possible to form at least one layer consisting of.

The armor layer 210 is distributed and provided as a plurality of thinned armoring wires to make a compact submarine optical cable after the overall cross-sectional area of the armor layer is determined to satisfy the tensile characteristics required for the submarine optical cable.

Also, the plurality of armoring wires 211 may have different materials and different outer diameters. In this case, since the armoring wire having a small outer diameter is disposed between the armoring wires having a large outer diameter, layers made of a plurality of armoring wires may not be clearly separated and formed.

The protective layer 230 is formed to accommodate the light unit 220 and the armor layer 210 to protect them from the outside, and may be made of a plastic polymer material, preferably polypropylene yarn. .

In general, in the submarine optical cable 2, the cross-sectional area of the armor layer 210 is selected according to the required tensile properties. The armor layer 210 is disposed outside the optical unit 220 in the form of a plurality of armoring wires 211 to minimize an increase in the outer diameter of the submarine optical cable 2 while protecting the optical unit 220 therein. At this time, the sum of the cross-sectional areas of the plurality of armoring wires 211 must be equal to or greater than the cross-sectional area of the previously selected armor layer 210, and the number of the plurality of armoring wires 211 distributed to reduce the cable diameter is dozens. It can consist of many, from hundreds to hundreds.

2 (a) is a block diagram of a submarine optical cable connection device 1 according to the present invention, and FIG. 2 (b) is a submarine optical cable assembly combined with two submarine optical cables 2 of the submarine optical cable connection device 1 ( 3) is the configuration diagram.

The submarine optical cable connection device 1 may be provided in a symmetrical structure so that both ends are connected in the same shape as the two submarine optical cables 2.

The submarine optical cable connecting device 1 includes a cable fixing part 110, an optical fiber connecting part 120, a cable connecting cover 130 and a body 140.

As shown in FIG. 3 (a), the cable fixing part 110 has an armor hole (which can accommodate and couple the armoring wire 211 of the submarine optical cable 2 to the cylindrical fixing part body 111). 113), and a through hole 114 through which the optical unit 220 penetrates the fixing part body 111 and is connected to the optical fiber connection part 120. The through hole 114 may be located at the center of the cross section of the fixing part body 111 in the longitudinal direction, and a plurality of armor holes 113 may be located around the through hole 114 with an equal distance apart. there is.

An armor hole 113 for accommodating the armoring wire 211 may be formed at one end of the cable fixing part 110, but an armor hole 113 is formed at the other end so that the armoring wire 211 is not penetrated and exposed toward the optical fiber connection part 120. The hole 113 may not be provided.

The armoring wire 211 introduced into the armor hole 113 of the cable fixing part body 111 may have a fixing structure in which the coupling element 112 is coupled to the insertion hole 115 provided in the fixing part body. there is.

The plurality of armor holes 113 formed in the fixing part body 111 is 1/n (n is an arbitrary integer) with respect to the number of armoring wires 211 greater than the number of the armor holes 113. can be formed

This includes a plurality of armoring wires 211 for narrowing the submarine optical cable 2, and the number of armor holes 113 accommodating the armoring wires 211 in the submarine optical cable connection device 1 When provided the same as the armoring wire 211, a compact fixing body 111 cannot be implemented. That is, the armor hole 113 provided in the fixing part body 111 is the distance between the outer circumference of the fixing part main body 111 and the armor hole 113, the distance between the armor holes 113, and the armor hole 113 in the longitudinal cross section. ) and the through hole 114 must be sufficiently secured so that the fixing part main body 111 can have sufficient rigidity not to be damaged even by the tensile force applied from the armoring wire 211 .

In addition, when all the armoring wires 211 accommodated in each armor hole 113 are equally distributed, the tensile force is not concentrated on a specific armor hole 113 and is evenly distributed, resulting in a submarine compact optical cable 1 and connection device ( The optimal design of 2) becomes possible.

For the predetermined number of

armoring wires

211, 1/n armor holes 113 are formed, and n armoring wires 211 are inserted into one armor hole 113 to form a coupling element 112 to be described later. ) can be fixed by

Even when the plurality of armor holes 113 of the fixing part body 111 are not formed as 1/n with respect to the number of the plurality of armoring wires 211, the tensile force of the plurality of armoring wires 211 is relatively uniform. At least one armoring wire among the plurality of armoring wires 211 may be disposed and fixed in at least one armor hole among the plurality of armor holes 113 so as to be properly distributed.

As shown in FIG. 5 , the plurality of armor holes 113 may have a shape that gradually becomes narrower along a direction in which the plurality of armoring wires 211 are accommodated. The plurality of armor holes 113 may be formed with an outward inclination with respect to the axis of the submarine optical cable 2 along a direction in which the plurality of armoring wires 211 are accommodated.

The fixing unit body 111 has a plurality of armoring wires (as shown in FIG. 6 in a state where the coupling element 112 fixes the plurality of armoring wires 211) on the inner surface of the plurality of armor holes 113 ( 211) may be formed with a first armor engaging tooth shape 1131 that blocks movement in a direction opposite to the direction in which it is accommodated.

As shown in FIG. 7, the plurality of insertion holes 115 into which the coupling elements 112 can be inserted into the fixing part body 111 are moved in the opposite direction to the direction in which the plurality of armoring wires 211 are inserted. It may be formed with an inclination angle to be blocked.

The coupling element 112 is a configuration for fixing the armouring wire to the fixing part body 111 by at least one of engagement, engagement, and tightening in a state where the armoring wire is accommodated in any one of the plurality of armor holes 113. am. As shown in FIG. 7, the coupling element 112 may have a fixed tooth shape 1121 for pressing and fixing a plurality of armoring wires 211 to an end region in contact with the armoring wire 211.

The fixing part body 111 may be formed by being separated into a plurality of components in consideration of the ease of coupling and coupling force with the submarine optical cable 2, and in another embodiment, as shown in FIG. 3 (b), the fixing body ( 111) may be composed of a first fixed body 111-1, a second fixed body 111-3 and a connection body 111-2.

The first fixing body 111-1 is provided in a cylindrical shape and is disposed on the inlet side of the submarine optical cable 2, and has a plurality of arming wires 211 formed to accommodate the termination area of the submarine optical cable 2. The first armor hole 113-1, the first through hole 114-1 accommodating the light unit 2-2, and the armoring wire 211 accommodated in the first armor hole 113-1 are fixed. It has an insertion hole 115-1 into which a coupling element 112-1 that can be inserted can be inserted.

The plurality of first armor holes 113-1 formed in the first fixing body 111-1 may be formed in 1/n number with respect to the number of the plurality of armoring wires 211.

The second fixed body 111-3 is provided in a size and standard similar to that of the first fixed body 111 and may be disposed on the opposite side of the inlet side of the submarine optical cable 2. The second fixing body 111-3 includes a plurality of second armor holes 113-3 formed to accommodate the terminal areas of the plurality of armoring wires 211 of the submarine optical cable 2 and the light unit 220. An insertion hole into which a coupling element 112-3 capable of fixing the second through-hole 114-3 and the armoring wire 211 accommodated in the second armor hole 113-3 can be inserted ( 115-1). have

An armor hole 113 for accommodating the armoring wire 211 may be formed at one end of the second fixing body 111-3, but the armoring wire 211 penetrates and is exposed at the other end toward the optical fiber connection part 120. The armor hole 113 may not be provided.

The plurality of second armor holes 113-3 formed in the second fixing body 111-3 may be formed in 1/n2 pieces relative to the number of the plurality of armoring wires 211.

In this case, the number of armor holes 113-1 and 113-3 provided in the first and second fixing main bodies 111-1 and 111-3 may be different.

Also, even if the number of armor holes 113-1 and 113-3 is the same, the number of armoring wires 211 introduced into each armor hole 113-1 and 113-3 may be different from each other. That is, a plurality of armoring wires 211 accommodated in one first armor hole 113-1 may be accommodated in a plurality of different second armor holes 113-3, respectively.

The connection body 111-2 fixes the armoring wire 211 between the first fixed body 111-1 and the second fixed body 111-3, and the first fixed body 111-1 and the second fixed body 111-1. The fixing body 111-3 can be connected to be fixed.

The connection body 111-2 is connected to accommodate a plurality of connecting armor holes 113-2 formed to accommodate the terminal areas of the plurality of armoring wires 211 of the submarine optical cable 2 and the optical unit 220. A through hole 114-2 and a connection insertion hole 115-2 into which a coupling element 112-2 capable of fixing the armoring wire 211 accommodated in the connection armor hole 113-2 can be inserted. to provide

The connection armor hole 113-2 connects the first armor hole 113-1 and the second armor hole 113-3 to provide a path through which the armoring wire 211 can be routed. When the number of armor holes 113-1 and 113-3 provided in the first fixed body 111-1 and the second fixed body 111-3 is different, or each armor hole 113-1, Even if the number of 113-3) is the same, if the armoring wires 211 introduced into the respective armor holes 113-1 and 113-3 are different from each other, the corresponding armoring wires 211 may form a routing path. can

The fixing structure and method of the submarine optical cable 2 and the submarine optical cable connection device 1 according to another embodiment will be described in detail in FIG. 4 to be described later.

The optical fiber connection unit 120 connects the optical fibers 221 of the two submarine optical cables 2 in a state where the pair of cable fixing units 110 and 110' fix the ends of the two submarine optical cables 2 and 2'. A space for storage and a space for storing the excess length of each optical fiber may be formed, and the accommodation space may be watertightly sealed and coupled to a pair of cable fixing parts 110 and 110'.

The optical fiber connection unit 120 may include a box support unit 121, a cable connection box 122, and a cable alignment unit 123.

The box support part 121 connects the pair of cable fixing parts 110 and 110' and supports the cable connection box 22.

The cable junction box 122 splices the optical fibers 221 and forms a space for storing optical fiber redundancy, and is sealed and sealed.

The cable alignment unit 123 is a configuration that helps in connecting the optical fibers 221, so that when a plurality of optical fibers 221 are connected, they are properly aligned, and the connection parts are protected and arranged so that they can be connected.

The optical fiber connection unit 120 may further include a ham case 124.

The box case 124 is watertight by surrounding the outside while accommodating the box support part 121, the cable connection box 122, the cable alignment part 123 and the pair of cable fixing parts 110 and 110' inside. can be brought into one state.

The cable connection cover 130 connects the two submarine optical cables 2 and is coupled to the outside of the cable fixing part 110 to protect the submarine optical cable 2 and the cable fixing part 110 from external impact. . The cable connection cover 130 may include an external connection cover 131 and an internal connection cover 132 . The internal connection cover 132 is disposed in close contact with the outside of the cable fixing part 110, and together with the external connection cover 131 accommodating the internal connection cover 132, occurs by bending at the connection part of the submarine optical cable 2 It has the function of removing strain.

The body 140 is an enclosure for accommodating the cable fixing parts 110 and 110' and the optical fiber connection part 120, and is preferably disposed surrounding the outer side of the box case 124 to protect internal components.

The submarine optical cable connection device 1 includes a sealing member 150 interposed between an optical fiber connection unit 120 and a pair of cable fixing units 110 and 110' to prevent water from penetrating into the optical fiber connection unit 120. may further include.

4 is an operation diagram of fixing each submarine optical cable 2 to the submarine optical cable connection device 1 according to another embodiment.

In FIG. 4 (a), the optical unit 220 of the submarine optical cable 2 is accommodated in the first through hole 114-1 of the first fixing body 111-1.

In FIG. 4 (b), the first fixing body 111-1 is moved to the side of the armoring wire 211 of the submarine optical cable 2 so that the armoring wire 211 is the first fixed body 111-1 of the first fixing body 111-1. After being accommodated in the armor hole 113-1, the armoring wire 211 is pressed and fixed to the first armor hole 113-1 using the coupling element 112-1.

In FIG. 4 (c), the connecting body 111-2 is then placed in close contact with the first fixing body 111-1 while the armoring wire 211 is accommodated in the connecting armor hole 113-2 using a rubber mallet or the like. After fixing by gently hitting, the armoring wire 211 is pressed and fixed to the connecting armor hole 113-2 using the coupling element 112-2.

In FIG. 4 (d), thereafter, the second fixing body 111-3 is placed in close contact with the connecting body 111-2 while the armoring wire 211 is accommodated in the second armor hole 113-3. After fixing it by gently hitting it with a back, press the armoring wire 211 using the coupling element 112-3 to fix it to the second armor hole 113-3.

In another embodiment, as shown in FIG. 4 (d'), the second fixing body does not have the second armor hole 113-3 on one side or both sides and does not have the through hole 115-3 ( 111-3 may be fixed to the connection body 111-2 accommodating the armoring wire 211 so as to be closely disposed so that the armoring wire 211 is not exposed toward the optical fiber connection part 120.

5 is an operation diagram for connecting the optical fibers of the two submarine optical cables 2.

In FIG. 5 (a), after connecting the cable fixing part 110 fixed to each submarine optical cable 2 to the support part 121, it is fixedly coupled by welding, clamping, screwing, or the like.

In FIG. 5 (b), the optical fibers 221 are aligned using the cable aligning unit 123 in the cable junction box 122 and then connected.

In FIG. 5 (c), after connecting the optical fiber 221, the cable junction box 122 is welded and sealed.

In FIG. 5 (d), the sealed cable connection box 122 and the box support 121 are accommodated in the box case 124, sealed, and then the cable connection cover 130 and the body 140 are assembled.

6 is a modified example view of armor holes 113-1 and 113-3 according to another embodiment.

6(a) is a case where the armoring wire 211 is inserted from left to right. In this case, the armor hole 113-1 shows that it can have a shape that becomes narrower from left to right.

6(b) shows that a plurality of armoring wires 211 can be formed with an outward inclination with respect to the axis of the submarine optical cable 2 along the direction in which they are accommodated.

7 is an exemplary view of an engagement tooth shape 1131. When the armor 211 is inserted from left to right inside the armor hole 113, an engagement tooth shape 1131 may be formed toward the right side. Accordingly, it is possible to prevent the armoring wire 211 from moving in a direction opposite to the insertion direction in a state in which it is inserted into the armor hole 113 .

8 is an exemplary view of the coupling element 112 .

The coupling element 112 is a component that can be inserted through the insertion hole 115 to fill the empty space between the armor hole and the armoring wire, and its shape is not limited, but is preferably a screw, bar, wedge or empty space It may be a filler shape according to.

The hardness of the coupling element 112 is weaker than the hardness of the armouring wire, stronger than the fixing unit body 111 or can be the same

A fixed tooth profile 1121 may be formed at an end region of the coupling element 112 . Accordingly, it is possible to prevent the armoring wire 211 from moving in a direction opposite to the insertion direction in a state in which it is inserted into the armor hole 113 .

Due to the submarine optical cable connection device 1, at least two or more armoring wires 211 can be fixed while being inserted into one armor hole, so the user's work convenience can be improved, and at least Since two or more armoring wires are fixed to one armor hole, stability of the connection between the two submarine optical cables 2 can be improved.

Claims

A submarine optical cable connecting device for connecting two submarine optical cables having an optical unit including an optical fiber and an armor layer including a plurality of armoring wires surrounding the optical unit,

A fixing part body including a plurality of armor holes formed to accommodate the terminal regions of the plurality of armoring wires of the submarine optical cable and a through hole accommodating the optical unit, and at least two of the plurality of armoring wires A pair of cable fixing parts including a coupling element for fixing the above armouring wire to the main body of the fixing part while being accommodated in any one of the plurality of armor holes; and

In a state where the pair of cable fixing parts fix the ends of the two submarine optical cables, an accommodation space is formed for connecting the optical fibers of the two submarine optical cables, the accommodation space is watertightly sealed, and the pair of cable connection parts and An optical fiber connection unit that is coupled; A submarine optical cable connection device comprising a.
According to claim 1,

The submarine optical cable connection device, characterized in that the plurality of armor holes of the fixing part body is formed by 1/n (n is an arbitrary integer) with respect to the number of the plurality of armoring wires.
According to claim 1,

When the plurality of armor holes of the fixing part body are not formed in 1/n with respect to the number of the plurality of armoring wires, at least one armor hole among the plurality of armor holes can have an equal tensile force of the plurality of armors. A submarine optical cable connecting device characterized in that at least one armoring wire of the plurality of armoring wires is disposed and fixed.
According to claim 1,

The plurality of armor holes are submarine optical cable connection device, characterized in that has a shape that becomes narrower along the direction in which the plurality of armoring wires are accommodated.
According to claim 1,

The plurality of armor holes are formed having an outward inclination with respect to the axis of the submarine optical cable along a direction in which the plurality of armoring wires are accommodated.
According to claim 1,

Characterized in that an engagement tooth shape is formed on the inner surface of the plurality of armor holes to prevent movement in a direction opposite to the direction in which the plurality of armoring wires are accommodated in a state in which the coupling element fixes the plurality of armoring wires Submarine optical cable connection device.
According to claim 1,

The fixing part body further includes a plurality of insertion holes into which the coupling elements can be inserted,

The insertion hole has an inclination angle such that movement in a direction opposite to the direction in which the plurality of armoring wires are inserted is prevented.
According to claim 1,

The submarine optical cable connecting device, characterized in that the terminal area of the coupling element for pressing the plurality of armoring wires is formed with teeth.
According to claim 1,

The submarine optical cable connection device further comprising a sealing member interposed between the optical fiber connection part and the pair of cable fixing parts.
According to claim 1,

The submarine optical cable connection device, characterized in that in the cable connection portion, the fixing part main body and the fixing element are fixed by at least one of engagement, engagement, and tightening.
According to claim 1,

The submarine optical cable connection device, characterized in that the fixing part body further comprises an insertion hole capable of receiving and coupling the coupling element.
According to claim 1,

The submarine optical cable connecting device, characterized in that the fixing body can be formed by being separated into two or more fixing bodies.
According to claim 12,

The two or more fixed bodies each have a different number of armor holes, characterized in that the submarine optical cable connecting device.
A plurality of optical fibers, an optical fiber sheath accommodating the optical fibers, a bedding layer surrounding the outer circumferential surface of the optical fiber sheath, an armor layer formed by a plurality of armoring wires surrounding the bedding layer, and a protective layer disposed around the armor layer Two submarine optical cables including; and a pair of cable fixing parts for fixing the armoring wire to the armor hole. a submarine optical cable connecting device including an optical fiber connection part providing a connection space between the optical fibers, a pair of cable connection covers removing strain caused by bending of the submarine cable, and an enclosure body accommodating the cable fixing part and the optical fiber connection part; in

The submarine optical cable assembly, characterized in that the number of armor holes is formed by 1/n (n is an arbitrary integer) with respect to the number of armoring wires.