KR102078155B1 - Remainder board for optical cable connecting box - Google Patents

Abstract

The present invention discloses a filter board for an optical cable. More specifically, the present invention is to prevent the occurrence of core disconnection and bad banding of the optical cable mounted in the optical cable connection enclosure and introduced into the optical cable junction box, and to the junction board for the connection enclosure for easy identification of the failed optical cable. It is about.
According to an embodiment of the present invention, by maximizing the separation distance between the lead portion in which the optical cable is drawn in and the female portion in which the optical cable is wound, so as not to interfere with the protective tube and the optical fiber cable, it is possible to prevent core disconnection and bending defects. It is effective in preventing.

Description

Woman's board for junction box {REMAINDER BOARD FOR OPTICAL CABLE CONNECTING BOX}

BACKGROUND OF THE INVENTION 1. Field of the Invention [0001] The present invention relates to a lanyard for an optical cable, and particularly, to prevent occurrence of core disconnection and poor bending of an optical cable mounted in an optical cable connection enclosure and introduced therein, and to easily identify a troubled optical cable It is about a shipboard for a ship.

In general, in the premises and outdoor optical cable line, the junction box for protecting the connection area between the optical cables in the optical connection box that connects the subscriber device and the outdoor optical cable line and therebetween, and processes and organizes the optical cable. Plate is installed.

In particular, the connecting plate for the junction box may be damaged or failed due to various factors applied to the optical fiber before or after the installation of the optical cable, in case the connection part or branch position between the optical cables is moved to another place, or It must be installed inside the junction box so that the optical fiber can be lengthened over a certain length in preparation for relocation work to be moved and replacement work.

Here, the optical cable transmission line is to transmit the optical signal through at least one or more optical fibers, and is made to limit the length of the optical cable, and in order to build a long long optical transmission path, several optical fibers must be connected in a straight line. In case of the optical cable construction, the junction box is installed at regular intervals and the connection part is connected by the internal filter board.

1 is a view showing the interior of the filter plate for a conventional junction box.

Referring to FIG. 1, a connecting plate for a conventional junction box is a connecting plate 10 in which one or more optical cables 5 constituting a core unit are embedded as a plurality of cores are built, and a tray case 11 forming an outer appearance of the connecting box is formed. It includes, and the two inlet portion 12, 13 is formed at the bottom, through which the optical cable 5 is drawn and inserted into the tray case (11).

In addition, the optical cable 5 drawn in through the lead portions 12 and 13 is wound up and wound around the lead portions 14 and 15 corresponding to the lead portions 11 and 12, respectively. The end is fixed by connecting to the fixing member 17 formed in the female parts (14, 15).

In general, a predetermined number of optical cables 5 are embedded in a protective tube and exposed to the outside, and the optical cable 5 is wound around the female portions 14 and 15 in a state where the protective tube is stripped from the inlet portions 12 and 13.

According to this structure, problems such as core disconnection or bending failure due to interference between the protective tube and the optical cables 5 mounted in the mounting portions 14 and 15 occur. Even if the protective tube of the optical fiber 5 is removed, the protective tube is often pulled into the tray case 11 to enter the female portions 14 and 15 during the opening of the optical cable 5. This is because the optical cable 5 is disconnected in accordance with the contact between the protective tube and the optical cable 5.

In addition, when a failure occurs in a specific optical cable 5, as the protective tube is stripped away from the optical cable 5, the identification of the number is difficult unless the identification of the failed optical cable 5 is not easy. There is.

Publication No. 10-2003-0086476 (published date: November 10, 2003)

The present invention has been made to solve the above-described problems, the present invention is to minimize the interference between the protective tube and the cable in the cable for the junction box is a plurality of optical cable is installed, the identification of the failed optical cable There is a problem in providing a facilitator.

In order to solve the above problems, the connecting plate for the junction box according to an embodiment of the present invention, the tray case is formed in the inner space in which a plurality of cables are mounted, and formed on the lower end of the tray case, the end of the protective tube is arranged And first and second lead portions through which the plurality of optical cables stripped from the ends are introduced into the tray case, and formed on an upper end of the tray case, and the first and second female portions which the plurality of cables are fitted into; And a fixing member to which the plurality of cables are connected, and the first and second female parts may cable the cables introduced through the first and the second leading parts, respectively.

The tray case may be coupled to a tray cover covering the first and second winding parts and the fixing member to the front.

The tray cover may expose the first and second inlets, and the first and second inlets may be further coupled to an auxiliary cover that is separated from the tray cover and covers the protective tube in front.

The first and second inlet parts may be formed with a plurality of separators into which the protective tubes are inserted in a predetermined manner.

The fixing member may be disposed between the first and second lead portions and the first and second female parts.

An auxiliary partition wall may be further disposed between the first lead portion and the first female lead portion, and the second lead portion and the second female lead portion, respectively, to guide the cable to be inserted in the direction of the first and second female lead portions.

A support partition wall disposed in the lower direction of the fixing member and guiding additional cables introduced into the tray case may be further disposed.

According to an embodiment of the present invention, by maximizing the separation distance between the lead portion in which the optical cable is drawn in and the female portion in which the optical cable is wound, so as not to interfere with the protective tube and the optical fiber cable, it is possible to prevent core disconnection and bending defects. It is effective in preventing.

In addition, by extending the area of the optical cable stripped of the protective tube in the interior of the filter board, there is an effect to facilitate the identification of the obstacle core and the number.

1 is a view showing the interior of the filter plate for a conventional junction box.
Figure 2a and 2b is a view showing a plan view side view of the junction plate for the junction box according to an embodiment of the present invention, Figure 2c is a view showing a plan view of the tray cover of the junction plate for a junction box according to an embodiment of the present invention. .
3A and 3B are cross-sectional views of the end portion T of the lead portion of FIG. 2A.
4 is a diagram illustrating a structure of a connecting plate for a junction box and an optical cable mounted thereto according to an embodiment of the present invention.
5 is a view illustrating a structure of a connecting plate for the junction box according to another embodiment of the present invention and an optical cable mounted thereon.

Prior to the description, when any part of the specification to "include" or "include" any component, unless otherwise stated, it may further include other components, not to exclude other components. It means to be. In addition, terms such as "... part" and "... device" described in this specification may refer to a component having an independent function by at least one or two or more combinations.

In addition, the thickness of the lines or the size of the components shown in the drawings may be exaggerated for clarity and convenience of description. In addition, terms to be described below are terms defined in consideration of functions in the present invention, which may vary depending on the intention or convention of a user or an operator. Therefore, definitions of these terms should be made based on the contents throughout the specification.

In addition, the present invention may be modified in various ways and may have various embodiments. Specific embodiments are illustrated in the drawings and described in detail. However, this is not intended to limit the present invention to specific embodiments, but should be understood as including all modifications, equivalents, and substitutes included in the spirit and scope of the present invention, and various modifications may be made. It is to be understood that the scope of the present invention is not limited to the described embodiments.

Hereinafter, with reference to the drawings will be described the junction plate for the junction box according to an embodiment of the present invention.

Figure 2a and Figure 2b is a view showing a plan side view of the junction plate for the junction box according to an embodiment of the present invention, Figure 2c is a view showing a plan view of the tray cover of the junction plate for a junction box according to an embodiment of the present invention. .

Referring to Figure 2a to 2c, the junction box 100 for the junction box according to an embodiment of the present invention is formed in the tray case 110, a lower end of the tray case is mounted a plurality of cables, the end of the protective tube The first and second lead portions 120 arranged at the upper end of the tray case 110 and the plurality of optical cables separated from the ends are introduced into the tray case; And a second member 130 and a fixing member 140 to which the optical cable is connected, and the first and second female parts 130 respectively include the first lead part 121 and the second lead part 122. You can run the cable through it.

The tray case 110 may be formed of a synthetic resin material, and both bottom portions of the tray case 110 may protrude to define two lead portions 120, and may be manufactured in an inverted 'U' shape. Each of the two inlets 120 may include a protective tube in which one or more optical cables are embedded, and an optical cable separated from an end of the protective tube may be introduced into and inserted into the two inlets 120.

In addition, the tray case 110 has a sidewall 111 having a predetermined height at an edge thereof, and a part of the sidewall 111 guides the inserted optical cable, and supports the tray cover 190 coupled from the front side. One or more supports 112 may protrude. A coupling hole 115 for screwing into the tray cover 190 may be formed in one of the supports 112.

Each of the first and second lead portions 120 may be formed at both ends of the bottom of the tray case 110, and the optical cable may be introduced into the tray case 110 as the ends of the protective tubes are disposed. It will form a passageway.

In particular, the first and second lead portion 120 may minimize the entanglement of the optical cable introduced into the tray case 110, and a plurality of separators 125 for roughly selecting the inside may be further formed, It may be introduced in a form in which a predetermined protective tube in the space between each separator 125 is fitted.

The pair of first and second female parts 130 may be formed on the upper end of the tray case 110, and the optical cable of a considerable length is provided as the incoming optical cable is wound a predetermined number of times.

The first and second female parts 130 may be formed with one or more barrier ribs 135 for guiding the optical cable wound therein, which may form a broken ring. An end of the optical cable may be drawn between the two partition walls 135 and connected to the fixing member 140 at the lower end thereof.

In addition, the supporter 137 may be further formed at an upper portion of each barrier rib 135 to prevent the cable from being separated from the driver 130 according to its loading.

The fixing member 140 may be formed at the center of the tray case, that is, between the inlet portion 120 and the female portion 130.

According to this structure, the maximum distance between the inlet 120 and the female part 130 in the limited internal space of the tray case 110 can be secured, and in particular, the protective tube and the female part as spaced apart as much as possible. Interference is minimized to minimize the occurrence of core disconnection and banding defects.

The fixing member 140 described above may be formed of a plurality of slot members where the ends of the optical cable drawn out from the female parts 130 of the upper ends are connected. Here, one to one slot member may be connected to 36 cores to 72 cores or 144 cores, may be configured to be detachable to the fixing member 140, it may be formed of a urethane material that is favorable to vibration.

According to this structure, the optical cable introduced through the first lead portion 121 passes the A path (A) along one side wall of the tray case 110, and the B path (B) in the first female portion 131 It can be drawn in and wound along the C path C in the counterclockwise direction. Thereafter, the optical cable may be wound a predetermined number of times in the first female part 131, and may be drawn out along the D path D in the upper direction of the first female part 131, and the side walls of the upper and left sides of the tray case 110 may be removed. Proceeding along, it may be connected to the fixing member 140 via the E path (E) (A → B → C → D → E).

In addition, the optical cable drawn in from the second lead portion 122 may also be wound around the second female portion 132 in a form in contrast with the above-described structure, and may be connected to the other side of the fixing member 140.

In particular, according to such a structure, since the protective tube of the optical cable drawn along the A path (A) in comparison with the prior art, it is advantageous to visually check the core state and line number of the cable.

In addition, the auxiliary partition wall 150 may be further formed in the tray case 110 to be adjacent to the two female parts 130. The auxiliary partition wall 150 may serve to support the optical cable wound up alternately with the pulling direction.

As an example, the auxiliary barrier wall 150 serves to guide the optical cable drawn along the A path A to be led to the B path B.

In addition, one or more support partitions 160 may be further formed at a lower end of the tray case 110, that is, a separate additional cable or the like.

The support partition wall 160 secures a path of a cable or the like passing through the first and second lead portions 120 and the filtering plate 100 for the connection enclosure.

On the other hand, the female plate 100 of the above-described structure protects the internal configuration as the tray cover 190 is coupled to the front of the tray case 110 is modularized into a single device.

The upper and both ends of the tray cover 190 correspond to the edges of the tray case 110, and in one region, a through groove 195 for screwing with the coupling groove 115 of the tray case 110 is formed. Can be.

In addition, the tray cover 190 has a structure in which a lower end portion 192 protruding downwardly is shorter than that of the tray case 110, and thus the two lead portions 120 and the protection tube mounted thereon are moved outward. Exposed.

According to such a structure, as the protective tube is exposed to the outside, it is advantageous to check the number of protective tubes and the like introduced into the filter board, but a problem may occur that the protective tube is overloaded.

3A and 3B are cross-sectional views of the inlet portion T of the inlet part of FIG. 2A, which is a view for explaining the structure of the inlet part of the connecting plate for the junction box according to the embodiment of the present invention.

3A and 3B together, the inlet portion 120 of the connecting plate for the junction box according to an embodiment of the present invention may be formed with a plurality of separators 125, in-space protection between each separator 125 The tube tb is inserted into predetermined portions.

Here, as described above, the lower end portion 192 of the tray cover has a shorter length than that of the tray case, and thus the inlet portion 120 is exposed to the outside. The protective tube tb may be overloaded.

When the protective tube (tb) is overloaded, a certain height (d2) is added to the height (d1) at the time of normal loading, thereby increasing the number of optical cables in the filter board, which makes the inside complicated and difficult to manage the cable. Problems may arise.

As a structure devised to improve such a problem, the connecting plate for the junction box according to an embodiment of the present invention further includes an auxiliary cover 250 separate from the tray cover to prevent a predetermined number of optical cables are loaded. can do.

Referring to Figure 3b, as shown in the cross-section (T ') of the inlet portion in which the auxiliary cover 250 is mounted, it is presented based on the height when mounting the auxiliary cover 250 to prevent overloading of the optical cable in advance. do.

According to the above structure, the junction box for the junction box according to an embodiment of the present invention can minimize the occurrence of core disconnection and bending failure that may occur due to interference between the protective tube and the margin to the maximum.

Hereinafter, with reference to the drawings will be described the structure of the connecting plate for the junction box and the cable structure of the optical cable mounted thereon according to various embodiments of the present invention.

4 is a diagram illustrating a structure of a connecting plate for a junction box and an optical cable mounted thereto according to an embodiment of the present invention. For convenience of description, some components except for the main components may be omitted in the drawings.

FIG. 4 illustrates a structure of a junction box filtering board 100 capable of fitting an optical cable including 36 cores to 72 cores, and having two lead portions 120 from the bottom to the top in the tray case 110. The fixing member 140 and the two female parts 130 may be sequentially arranged.

In this structure, the optical cables 5 and 6 embedded in the protective tube 1 are introduced through the first inlet 121 at the lower left end and the second inlet 122 at the lower right of the tray case 110. The optical cable 5 introduced from the first lead portion 121 is led upward along the left side of the tray case 110, and wound around the first lead portion 131 on the upper left side of the first lead portion 131. Can be.

The optical cable 5 wound around the first female part 131 is wound a predetermined number of times, and the end thereof is connected to the left end of the fixing member 140.

In addition, the optical cable 6 introduced from the second lead portion 122 is led to the upper end along the right side of the tray case 110, and wound around the second lead portion 132 on the upper right side of the second lead portion 132. Can be.

Then, the optical cable 6 wound around the second female part 132 is wound a predetermined number of times, and the end thereof is connected to the right end of the fixing member 140.

FIG. 5 is a diagram illustrating a structure of a junction box for a junction box and an optical cable clamped thereto according to another embodiment of the present invention.

FIG. 5 illustrates a structure of the junction box mounting plate 200 capable of fitting an optical cable including 144 cores. The structure of the tray case 210 is similar to the embodiment of FIG. 4 described above. As the number of cores increases, there is a difference that two fixing members 240 are formed up and down for easy connection with the fixing member 240. Accordingly, the two leading parts 120, the first and second fixing members 241 and 242, and the two female parts 230 may be sequentially disposed in the tray case 210 from the bottom to the top direction.

According to this structure, in this structure, the optical cables 5 embedded in the protective tube 1 through the inlet portion 192 at the lower left of the tray case 210 have an upper end along the left side of the tray case 210. To be inserted into, it may be wound on the female portion of the upper left of the tray case 210.

In addition, the optical cable 5 wound on the female part 230 may be wound a predetermined number of times, and an end thereof may be connected to the left end of any one of the first and second fixing members 241 and 242. In addition, the cable introduced through the inlet portion of the lower right end of the tray case 210 is to be dressed in a form contrasted with the above-described structure.

As described above, the present invention has been described with reference to the accompanying drawings, but various modifications and changes may be made without departing from the spirit of the present invention. Therefore, the scope of the present invention should not be limited to the described embodiments, but should be defined not only by the claims below, but also by those equivalent to the claims.

1: protective tube 5: optical cable
100: junction box 110: tray case
111: side wall 112: support
115: coupling groove 120, 121, 122: inlet
125: separator 130, 131, 132: woman
135: bulkhead 137: female supporter
140: fixing member 150: auxiliary bulkhead
160: support bulkhead 190: tray cover
192: lower portion 195: through groove

Claims (7)

A tray case having an inner space in which a plurality of cables are mounted;
First and second lead portions formed at both ends of the tray case and disposed at both ends thereof, and having end portions of the protection tubes, and a plurality of cables separated from the ends being introduced into the tray case;
First and second female parts formed on an upper end of the tray case and having the plurality of cables mounted thereon;
A fixing member disposed between the first and second lead portions and the first and second female parts and to which the plurality of cables are connected;
A plurality of partition walls for guiding cables wound into the first and second female parts; And
And an auxiliary partition wall for guiding a cable drawn between the first lead portion and the first lead portion and the second lead portion and the second lead portion, respectively, in the direction of the first and second lead portions,
The first and second female parts, respectively, cable the cable introduced through the first and second inlet portion,
The cable,
A plurality of cables stripped from the end of the protective tube enters along both sidewalls of the tray case and is inserted and wound into the plurality of partitions in a path guided by the auxiliary partition walls, and within the first female part The winding plate for the junction box which is wound in a counterclockwise path, wound in a clockwise path inside the second female part, and drawn out in an upper direction to be connected to the fixing member. The method of claim 1,
The tray case,
Junction plate for junction box coupled with the tray cover covering the first and second windings and the fixing member to the front. The method of claim 2,
The tray cover exposes the first and second inlets,
The first and second lead portion,
Separation plate for the junction box is separated from the tray cover, and further coupled to the auxiliary cover covering the protective tube in the front. The method according to any one of claims 1 and 3,
The first and second lead portion,
Junction plate for the junction box is formed with a plurality of separators are inserted into the protective tube is divided into pieces. delete delete The method of claim 1,
Arranging in the lower direction of the fixing member, the connecting plate for the junction box that is further provided for supporting partition walls for guiding the additional cable introduced into the tray case.

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