KR100961320B1 - The optical connection box for Fiber to the home - Google Patents

Abstract

The present invention is to provide a subscriber-based optical cable junction box that can be stored in the holder connected to the optical cable by connecting the optical cable around the telephone pole close to the home when the optical cable is disconnected,

An insertion hole through which the optical cable penetrates the side and an accommodation portion therein, and a protruding wall is formed on both sides so that a fixing holder for accommodating a plurality of optical cable connectors is attached at the center thereof. A body having a mounting portion having an attachment plate formed and protruding to the center;

A plurality of straight coupling grooves are selected to be adjusted to adjust the position where the coupling body fastened to the telegraph pole is inserted into the lower portion of the body, and formed by protruding successively from the rectangular coupling groove and the body formed at a predetermined distance to the straight coupling groove. Fastening means consisting of a plurality of engaging projections for coupling the fixture fixed to the coaxial cable;

The body and the upper lid body for airtightness of the body and the inner receiving portion;

Sealing means consisting of a rectangular packing is inserted into the lower body when the body and the lid body is coupled and an annular packing fixed to the insertion hole of the body through which the optical cable passes;

The optical cable connected by using the connector is not affected by external climate change such as moisture and temperature, and it is easy to install in the forward part or the optical cable.

Optical cable, optical junction box, optical splitter, contact element, telephone pole, cable fixing part, insertion hole

Description

Subscriber's Optical Cable Box {The optical connection box for Fiber to the home}

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a subscriber system optical cable connection box for connecting an optical cable introduced into a subscriber system for high speed information processing.

An optical cable subscriber network, called a subscriber-based optical cable or a home optical cable, is called FTTH (Fiber to the home), and the overall schematic is shown in FIG.

That is, the operators S1 and S2 connected through the Internet are directly connected to the station S3 through an optical cable, and are distributed to the respective areas through the optical distributor installed in the common hole S4 at the station S3. It is configured to be.

Next, the optical communication cable is introduced into the home house 15a through the plurality of telephone poles through the optical distributor V6 of the cavity S4. The optical distributor V6 installed in the telephone pole for distributing the telephone poles T5 described above. Branches are made to various other telephone poles, and are introduced into the home 15a through the telephone poles T7 and T8 from the distribution telephone pole T5.

The telephone poles T7 and T8 described above serve as a support used only for supporting the optical cable.

In the case of using such subscriber optical cable, data can be transmitted and received at high speed, so there is an advantage that high speed communication between A / V networks, data networks, and other control networks can be achieved. .

However, when disconnection occurs at the cutting point (a) of the optical cable introduced into the home house (15a), the reality is that the optical cable must be removed to the distribution pole (T5) and reinstalled by the distributor V6 to the home house again. .
Therefore, it is possible to prevent unnecessary waste of optical cable lines when connecting the optical cables by using the speed accelerator at the nearest telephone pole T8 or the cutting point a.

In particular, since the optical cable that enters the home is very thin (3mm in diameter), it is secured by the technology that can connect the disconnected optical cables to each other by using the connecting connector by hand. In case of exposure to noise, noise was generated due to changes in temperature, humidity, etc., so that it could not be used.

The present invention is to solve such a problem,

An object of the present invention is to provide a subscriber-type optical cable junction box that can be connected to the optical cable around the telegraph pole close to the home when the optical cable is disconnected to store the connected connector in the holder.

Another object is to provide a subscriber optical fiber junction box in which an optical cable connected using a connector is not affected by external climate change such as moisture and temperature.

Another object is to provide an optical cable junction box that is easy to fix to a telephone pole or coaxial cable to facilitate installation regardless of the location.

Subscriber optical cable junction box for achieving the above object has an insertion hole through which the optical cable passing through the side and the receiving portion therein, the wall protruding on both sides so that the fixing holder for receiving a plurality of optical cable connector is attached to the center A body having a mounting portion having an attachment plate formed between the walls and a margin having an optical cable line formed therebetween and protruding to the center;
A plurality of straight coupling grooves are selected to be adjusted to adjust the position where the coupling body fastened to the telegraph pole is inserted into the lower portion of the body, and formed by protruding successively from the rectangular coupling groove and the body formed at a predetermined distance to the straight coupling groove. Fastening means consisting of a plurality of engaging projections for coupling the fixture fixed to the coaxial cable;
The body and the upper lid body for airtightness of the body and the inner receiving portion;
Sealing means consisting of a rectangular packing is inserted into the lower body when the body and the lid body is coupled and an annular packing fixed to the insertion hole of the body through which the optical cable passes;
It is characterized by consisting of.

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As described above, in the present invention, when the optical cable is cut between the optical splitter and the home, the optical connection box can be installed around the telephone pole close to the home after connecting the optical cable using the connector, so that the cost and effort of installing the new optical cable unnecessarily. Can be solved.

In addition, since the receiving portion of the optical junction box is kept airtight with the outside by using the annular packing and the rectangular packing having the airtight structure, there is an effect that it is not affected by climate change such as external humidity and temperature.

Also, when fixing optical junction box, it can be firmly fixed to telephone pole or coaxial cable passing through telephone pole, and it can be installed freely regardless of place. Especially, optical junction box can be manufactured in small size and light weight, so that various electronics of subscriber system can be manufactured. If the device uses FTTH (Fiber to the home) for the optical cable subscriber network for high speed communication, its utilization is very effective.

Hereinafter, an embodiment of the present invention will be described in detail with reference to the accompanying drawings.

2 is an exploded perspective view of a subscriber system optical cable junction box of the present invention.

The junction box 10 is formed of a body 1 having a rectangular structure, but is not limited thereto, and may be a container shape having an accommodating part 5 therein.

In the center of the accommodating part 5, a mounting part 15 for attaching a fixing holder 2 to which the optical cable connector 11 and 12 is fixed is attached, and the fixing holder 2 has a plurality of holders ( 3) are arranged side by side at regular intervals.

In the center of the accommodating part 5, the mounting part 15 which is fixed through a screw is formed in the attachment plate 16 which protruded in the center, and the clearance parts 17 and 17 'are formed around the mounting part 15. To form a space in which the optical cable cable can be wound. This margin has a structure in which one side of the receiving portion is formed wide, a wall protruding on both sides, and an optical cable line can be wound between the walls.

As such, the body 1 of the optical cable junction box provided with the receiving portion 5 is protruded in succession to the body 1 to form a plurality of engaging projections 19 for coupling the fixture 18 and the lower portion of the body 1. A plurality of straight coupling grooves 36, a coupling means formed with a square coupling groove 37, and a sealing means formed to maintain the airtightness of the body 1 and the inner accommodating portion 5 therein.

Coupling projection 19 formed in the body (1) forming the fastening means is formed to protrude in four places in the upper and lower, left and right, the insertion groove 32 is formed therein, the engaging piece of the fixture 18 34 is configured to be inserted.

The upper hole 33 of the fastener 18 is later used to engage the cable line, the lower hole 34 is used when the body 1 and the lid body 20 is screwed through.

Further fastening means is formed in the lower part of the body (1) as shown in FIG.

That is, the lower portion of the body 1 is formed with a plurality of straight coupling grooves 36, the square coupling groove 37 has a predetermined interval, the coupling body 40 is coupled to the coupling groove has an "L" shape It forms a protrusion 41 on one side and is inserted into the straight coupling groove 36 is configured to be coupled with a screw.

Here, the rectangular coupling groove 37 is formed in a quadrangular shape, and the straight coupling groove 36 is disposed around the quadrangular shape to secure a large number of locations where the coupling body 40 can be fixed. ) Regardless of the top, bottom, left and right position of the lower part. In addition, the width can be selectively secured.

The combination 40 has a structure in which a long string 43 is formed to allow plastic strings to pass therethrough.

The sealing means of the present invention is configured to be sealed when the insertion hole (4), (4 ') through which the optical cable 14 formed on the left and right sides of the body (1) and the body (1) when combined with the lid body 20 have.,

That is, the annular packing 25 is inserted into the insertion holes 4 and 4 ', and a plurality of fixing pins 38 and 39 are fixed through screws to maintain a closed structure.

The fixing pins 38 and 39 serve to prevent the annular packing 25 fixed in the insertion hole 4 from being pulled out or deformed.

The annular packing 25 has a funnel-like structure in which the optical cable 14 is freely pulled from the outside into the accommodating portion 5 and is difficult to detach from the outside.

And a rectangular packing 23 is inserted into the upper portion of the body 1, the lid body 20 is fastened through the body 1 and the screw is a protrusion for pressing the packing 23 in a rectangular shape. Is formed is configured to couple the body (1) and the lid 20 through the screw.

In the present invention configured as described above, a process of connecting a connector (11) and (12) using a subscriber optical cable (FTTH) when cutting is described.

That is, when the optical cable drawn into the home 15 through the telephone poles T7 and T8 through the optical distribution box V6 of the distribution pole 5 for distribution as shown in Figure 1 is cut at the cutting point (a) The optical fiber cable must be installed again from the new optical fiber cable (V6).

In the case of the present invention, the subscriber system optical cable junction box 10 of the present invention is installed in the telephone pole T8 closest to the home 15 to connect and cut the optical cable, thereby eliminating the closed end of reinstalling the optical cable.

That is, when the cutting occurs at the cutting point (a), the first operation is to connect the cut optical cable 14 in the receiving portion (5).

At this time, the optical cable 14 passes through both annular packings 25, and the annular packing in the insertion holes 4 and 4 'is fixed, and then the outer surface of the cut optical cable is peeled off.

Next, the cut optical cable is connected to the inner wire. At this time, a mechanical connection method and a fusion connection method are generally used.

In other words, the mechanical connection method is to remove the coating of the optical fiber for transmission and reception inside the optical cable 14, to remove foreign substances in the coated portion, to cut the optical fiber, insert the optical fiber inside the connector 11, 12, and then use the equipment When the cut optical fiber is connected by performing a fusion splicing process, the optical fibers inside the connectors 11 and 12 are connected.

In this way, the connectors 11 and 12, to which the optical fiber is connected, are inserted into and fixed to the holder 3 in the fixing holder 2, and at this time, the optical cable is provided through the clearances 17 and 17 'of the mounting table 15. After winding it, it is fixed to the holder (3) in the fixing holder (2) attached with double-sided tape on the mounting plate (16).

The reason for winding in this way is to prevent the phenomenon of stretching and contracting with temperature change by having a margin.

Then, the body 1 into which the rectangular packing 23 is inserted is fastened through the lid 20 and the screw so that the receiving portion 5 in the body 1 is sealed to the outside.

At this time, the annular packing 25 in the insertion holes 4 and 4 'also serves as a sealing means.

In this way, the optical cable cut in the optical junction box 10 is fixed in the holder 3 in a state where the optical cable cut through the connectors 11 and 12 is connected, and after the airtight is maintained as described above, the telephone pole closest to the cutting point a is closed. Or T8 or coaxial cable passing through the telephone pole.

When fixed in the telegraph pole (T8) is to use the locking means configured on the back of the body (1) as shown in FIG.

That is, in the state in which the accommodating part 5 in the body 1 maintains hermeticity as described above, the coupling body 40 is fixed to the straight coupling groove 36 and the square coupling groove 37 on the rear side through screws. The plastic band 45 is inserted through the long hole 43 of the combination to be fastened to the telephone pole T8.

At this time, according to the thickness of the telephone pole, the combination 40 is fixed to the straight coupling groove 36, the square 37 can be selectively used, it is convenient to fix to other external objects.

In addition, when it is difficult to fix in the telephone pole, it can be fixed to the coaxial cable 46 passing through the telephone pole as shown in FIG.

That is, before fastening the lid body 20 to the body 1, the fastener 19 is inserted into the coupling protrusion 19 protruding from the body as shown in FIG. 2 and then the body 1 and the lid body 20 through the screw. ) To be fastened, and the fixture 19 protrudes from the upper and lower sides of the body.

In such a state, as shown in FIG. 5, the plastic band 45 is inserted into the hole 33 of the fastener 19 coupled to the body 1 to be fixed to the coaxial cable 46. Many can be fastened in the body 1.

As described above, in the present invention, when the optical cable is cut between the optical splitter and the home, the optical connection box can be installed around the telephone pole close to the home after connecting the optical cable using the connector, so that the cost and effort of installing the new optical cable unnecessarily. Can be solved.

In addition, by using the annular packing and the square packing having the wedge structure, the receiving part of the optical junction box is kept airtight and outside, so it is not influenced by climate change such as moisture and temperature, and is formed with a wave shape. By using the part and the lid is an effect that can be prevented from changing the volume by the temperature.

In particular, since the optical junction box can be manufactured in a small size and light weight, when the FTTH (Fiber to the home) is used for the optical cable subscriber network for the high speed communication of various electronic devices in the subscriber system, the utilization thereof is very effective.

1 is an overall configuration diagram of a subscriber system optical cable network;

2 is an exploded perspective view of a subscriber system optical cable junction box of the present invention;

3 is a cross-sectional view showing the annular packing used in the subscriber-based optical cable connection box of the present invention,

4 is a perspective view showing a subscriber system optical cable junction box of the present invention fixed to a cable line installed in a battery column.

Description of the Related Art

1: Body 2: Fixed Holder

3: holder 4,4 ': insertion hole

7: fixture 10: optical junction box

11, 12: accessor 15a: home

15; Placement Plate 16: Attachment Plate

17, 17 ': margin 18: fixture

20: lid 23: packing

25: round packing 30: cable cable

43: longevity S1, S2: operators

S3: Station S4: Joint Ball

T5, T7, T8: Telephone pole V6: Light distribution

Claims (4)

A fixing holder (2) having insertion holes (4, 4 ') through which the optical cable penetrates the side, and a receiving portion (5) therein, and accommodating a plurality of optical cable connectors (11) and (12) in the receiving portion; A body (1) having a mounting portion (15) including; A plurality of straight coupling grooves 36 are selected to adjust the position where the coupling body 40 fastened to the telegraph pole is fixed to the lower portion of the body 1, the square coupling groove 36 formed at a certain distance to the straight coupling grooves 36 And fastening means consisting of a plurality of engaging projections 19 for engaging the fasteners 18 fixed to the coaxial cable by being protruded and subsequently formed on the body 1; An upper lid body 20 coupled to the body 1 to maintain the airtightness of the inner accommodating part 5; When the body 1 and the lid 20 is coupled to the rectangular packing 23 for sealing the inner receiving portion 5 and the annular shape fixed to the insertion hole 4 of the body 1 through which the optical cable passes Sealing means consisting of a packing 25; Characterized in that configured to,      The mounting portion 15 forms a wall protruding on both sides, and the clearance portions 17 and 17 'with the optical cable lines are formed between the walls, and are formed to protrude in the center so that the fixing holder 2 is fixed. Subscriber optical cable junction box characterized in that it has an attachment plate (16) delete delete delete

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