KR20090051406A - 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 by connecting the optical cable around the telephone pole close to the home when the optical cable is disconnected, the insertion hole and the inside through which the optical cable passes through the side A body having a mounting portion having a receiving portion and to which a fixed holder for receiving a plurality of optical cable connectors is attached at the center thereof;

A fastening means successively formed on the body to form a plurality of coupling protrusions for coupling a fixture and a plurality of coupling grooves at the bottom of the body;

A cap body formed inside the rectangular protrusion for sealing and coupled to an upper portion of the body;

A sealing means formed for maintaining the airtightness of the body and the inner accommodating portion;

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 3 through the optical cable, and are distributed to the respective regions 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 15 through the plurality of telephone poles through the optical distributor V6 of the hollow sphere 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 15 through the telephone poles T7 and T8 from the distribution telephone pole T5.

The above-described whole body parts T7 and T8 serve only as supporting members for supporting optical cables.

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 15, the reality is to remove the optical cable to the distribution pole (T5) and reinstall the optical cable to the home through the distributor (V6) again.

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.

The optical fiber junction box for subscriber system for achieving the above object has a body having an insertion hole through which the optical cable passes and an accommodating portion therein and a mounting portion to which a fixing holder for accommodating a plurality of optical cable connectors is attached at the center thereof; ;

A fastening means successively formed on the body to form a plurality of coupling protrusions for coupling a fixture and a plurality of coupling grooves at the bottom of the body;

A cap body formed inside the rectangular protrusion for sealing and coupled to an upper portion of the body;

A sealing means formed for maintaining the airtightness of the body and the inner accommodating portion;

Characterized in that composed of,

The sealing means and the square packing is inserted when the body and the upper lid body is combined;

The annular packing inserted into the insertion hole through which the optical cable passes is characterized in that it is configured to be coupled through a fixing pin.

In addition, the mounting portion is formed with a protruding wall on both sides, and the clearance between the walls is formed with an optical cable line, characterized in that it has a mounting plate formed to protrude in the center.

As described above, in the present invention, when the optical cable is cut between the optical distributor and the home, the optical connection box can be installed around the telephone pole close to the home after connecting the optical cable by using a contact element, thereby unnecessaryly installing the optical cable and I can eliminate the effort.

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. Fastening means formed with a plurality of coupling grooves 31, and a sealing means formed for maintaining the airtight of the body (1) and the inner receiving portion (5).

Coupling projections 19 formed on the body (1) to form a fastening means are formed to protrude in four places in the vertical direction, up and down, left and right insertion grooves (32) are formed therein coupling piece (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, a plurality of coupling grooves 36, 37 are formed at a lower portion of the body 1 at regular intervals, and the coupling body 40 coupled to the coupling groove forms an “L” shape and protrudes at one side. A 41 is formed to be inserted into the coupling groove 36 and then coupled to the screw.

Here, the coupling groove 37 is formed in a quadrangular shape, and the coupling groove 36 is disposed at the circumference of the quadrangular shape so as to secure a large number of locations where the coupling body 40 can be fixed. Regardless of the up and down, left and right position. 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, 4 ', 6, and 6' is fixed, and then the outer surface of the optical cable is cut. Peel 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, the fixing plate 2 is fixed to the holder 3 in the fixing holder 2 attached to the 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, 4 ', 5, and 5' 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, as described above, the coupling body 40 is fixed to the coupling grooves 36 and 37 on the rear surface by the screw in the state in which the receiving portion 5 in the body 1 is kept airtight. The plastic band 45 is inserted through the long hole 43 to be fastened to the telephone pole T8.

In this case, the coupling grooves 36 and 37 to which the assembly 40 is fixed may be selectively used according to the thickness of the telephone pole, and thus, there is an effect that 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 an annular plaque used for the subscriber 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 Symbols for Major Parts of Drawings>

1: Body 2: Fixed Holder

3: holder 4,4 ', 6,6': 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: annular packing 30: cable line

43: longevity S1, S2: operators

S3: Station S4: Joint Ball

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

Claims (4)

Insertion holes (4) and (6) through which optical cables pass through the side and fixing holders (2) having a receiving portion (5) therein and accommodating a plurality of optical cable connectors (11) (12) in the center thereof are attached. A body 1 having a mounting portion 15 to be provided; A fastening means protruding from the body 1 to form a plurality of coupling protrusions 19 for coupling the fixture 18 and a plurality of coupling grooves 36 and 37 at the bottom of the body 1; Forming a rectangular protrusion for sealing therein, and a lid body 20 coupled to an upper portion of the body; Sealing means formed for maintaining the airtightness of the body (1) and the inner receiving portion (5); Subscriber optical cable connection box characterized in that The method of claim 1, Sealing means and the rectangular packing 23 is inserted when the body 1 and the upper lid body 20 is combined, Subscriber optical cable junction box characterized in that the annular packing 25 is inserted into the insertion hole (4) through which the optical cable passes through the fixing pins (38), (39) The method of claim 1, Placement part 15 has a wall 17 which protrudes on both sides, and the clearance part 17, 17 'which has an optical cable line is formed between the wall, and has the attachment plate 16 which protruded and formed in the center. Subscriber optical cable junction box The method of claim 1, The coupling grooves 37 of the plurality of coupling grooves 36 and 37 in the lower portion of the body 1 are formed as square grooves, and the linear coupling grooves 36 have a predetermined distance from the square coupling grooves 37. ) Optical fiber connection box, characterized in that the configuration is configured to adjust the position where the assembly 40 is inserted

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