KR100645503B1 - Optical distribution box for generation terminal box - Google Patents

Abstract

According to the present invention, a main optical cable made of a plurality of optical cables in which an optical fiber is protected by a sheath is introduced from an outside of the generation space, and the incoming main optical cable is branched into a plurality of optical cables and drawn into the generation space. The sleeve holder and the housing, which are installed inside the generation terminal box, have a housing having a storage space formed therein, and a sleeve, which is a part to which a plurality of optical cables and an optical pigtail are connected, are fixed to the inner bottom of the housing. A light distribution box for generation terminal box is provided, comprising an optical adapter bracket positioned on the front surface and mounted with a plurality of optical adapters, the optical adapter brackets being fixed to the enclosure so as to be detachable in a sliding manner.

According to the optical distribution for the generation terminal box, the extra optical cable can be dressed so that efficiency can be increased in the post-installation repair work after installation, and the optical cable can be fixed by the cable to double the alignment effect of the optical cable. In addition, the optical adapter can be replaced quickly and easily, creating an effect that can effectively cope with the peripheral and optical cable environment.

Description

Optical distribution frame for generation terminal box {Fiber ditribution frame for customer device box}

1 is an exploded perspective view of a light distribution box for a generation terminal box according to a first embodiment of the present invention;

2 is a perspective view showing a state in which the optical cable is inserted into the optical distribution box for generation terminal box shown in FIG.

3 is an exploded perspective view of a light distribution box for a generation terminal box according to a second embodiment of the present invention;

4 is an exploded perspective view of a light distribution box for a generation terminal box according to a third embodiment of the present invention;

5 is an exploded perspective view of a light distribution box for a generation terminal box according to a fourth embodiment of the present invention;

FIG. 6 is a perspective view illustrating a light distribution box of a generation terminal box shown in FIG. 1.

Description of the main parts of the drawing

100 ... Light distribution box for generation terminal box 110 ... Combination cover

111 ... optical cable entry 111a ... through

120 ... optical adapter bracket 121 ... optical adapter

122 ... protrusion 130 ... enclosure

131 ... sleeve holder 132 ... woman

133 ... engagement groove 135 ... optical adapter bracket support

140 ... main optical cable 141 ... optical cable

142 Optical Pigtail 143 Sleeve

150 ... Fixed induction part

The present invention relates to a light distribution box, and more particularly, to a light distribution box for a generation terminal box that is installed in the generation terminal box and can easily replace the optical adapter.

In general, more than 50 households of apartments and apartment complexes or buildings with an area of more than 3300㎡ are equipped with more than certain standards of communication facilities.

Generation terminal box refers to the terminal box installed in the dedicated space of each user for the purpose of providing a convenient connection point that can be easily cut for additional wiring or testing in case of trouble such as failure.

The certification level is divided into special grade, first grade, second grade and three grades, among which the special grade is the certification grade which means that the optical cable is installed up to each generation to accommodate all current service and future predictable service. to be.

Therefore, the distribution box for distributing the optical cable should be installed in the generation terminal box of the special grade building.

The optical cable introduced into the household through the optical distribution box is connected to the terminal device of the user, which is necessary for the optical connector and the optical adapter.

The optical connector ends the optical cable connected to the incoming optical cable and the user's terminal device, and the incoming optical cable and the terminal device are connected to each other by connecting the optical connector to both ends of the optical adapter.

However, there are various types of optical adapters and optical connectors such as ST, SC, LC, FC and MTRJ. Therefore, if the type of optical adapter mounted on the optical distribution box and the optical connector to be connected to the optical adapter are different from each other, the optical adapter mounted with the appropriate optical adapter or the optical adapter fixed to the optical distribution box may be separated from each other. There is an inconvenience to be replaced by an optical adapter.

If the optical cable environment changes due to the above reason, not only can not effectively cope, but also because the entire optical distribution box for the generation terminal box must be replaced, an uneconomical problem occurs.

In addition, the inconvenience of performing the task of separating and replacing the optical adapter for each type of optical connector also has a problem that requires more human effort than necessary.

In addition, since the length of the incoming optical cable is limited, there is a problem that it is very difficult to transfer or repair the optical distribution box.

The present invention has been made to solve the above-mentioned problems, and the object of the present invention is to provide a light distribution box for generation terminal box that can easily replace the optical adapter, easy to move and repair.

Other objects and advantages of the invention will be described below and will be appreciated by the embodiments of the invention. In addition, the objects and advantages of the invention may be realized by the means and combinations indicated in the claims.

In the optical distribution box for the generation terminal box of the present invention for achieving the above object, a main optical cable made of a plurality of optical cables in which the optical fiber is protected by the sheath is introduced from the outside of the generation space, the drawn main optical cable is a plurality of optical cables In the optical distribution box for the generation terminal box which is branched out and drawn out into the generation space, the housing is installed in the generation terminal box, the storage space is formed therein; And an optical adapter bracket positioned on the front of the enclosure and equipped with a plurality of optical adapters, wherein the optical adapter bracket is fixed to the enclosure so as to be detachable in a sliding manner.

In addition, it is preferable that a sleeve, which is a portion to which a plurality of optical cables and an optical pigtail are connected, is fixed, and a sleeve holder positioned to be detachable from the inner bottom of the enclosure is further provided.

In addition, it is preferable to further include at least one optical cable mounting portion located in the interior of the housing to allow the extra optical cable to be inserted into the interior of the housing.

In addition, the optical cable mounting portion may be configured to have two or more protrusions formed at predetermined intervals on the bottom surface of the enclosure so that the optical cable can be inserted and fixed between the two or more protrusions.

In addition, the number of the protrusions is two, and the two protrusions are configured such that the inclined locking jaw is formed so that the upper surface is facing toward each other to facilitate the insertion of the optical cable and effectively prevent the separation can be realized Can be.

In addition, in the present invention, it is preferable that both ends of the sleeve or the sleeve holder are spaced apart by 15 mm or more from the side wall surface of the enclosure.

On the other hand, the optical adapter bracket may have protrusions formed on both sides thereof, and a coupling groove corresponding to the protrusion may be formed on the front surface of the housing in which the optical adapter bracket is detachably attached to the optical adapter bracket.

Finally, the optical distribution box for the generation terminal box is preferably coupled to the housing so as to be opened and closed, and further comprises a coupling cover formed with an inlet through which the main optical cable can be drawn.

Hereinafter, exemplary embodiments of the present invention will be described in detail with reference to the accompanying drawings. Prior to this, terms or words used in the present specification and claims should not be construed as being limited to the common or dictionary meanings, and the inventors should properly explain the concept of terms in order to best explain their own invention. Based on the principle that can be defined, it should be interpreted as meaning and concept corresponding to the technical idea of the present invention.

Therefore, the embodiments described in the specification and the drawings shown in the drawings are only the most preferred embodiment of the present invention and do not represent all of the technical idea of the present invention, various modifications that can be replaced at the time of the present application It should be understood that there may be equivalents and variations.

1 is an exploded perspective view of an optical distribution box for a generation terminal box according to a first embodiment of the present invention, Figure 2 is a perspective view showing a state in which the optical cable is inserted into the optical distribution box for the generation terminal box shown in FIG.

1 and 2, the optical distribution box for the generation terminal box according to the first embodiment of the present invention 100 is the housing 130, the sleeve holder 131, the optical adapter bracket 120, the female part 132 And a coupling cover 110. Each configuration will be described in detail.

Enclosure 130 is preferably a storage space is formed inside to accommodate the components to be described below, it is preferably a size that can be installed inside the generation terminal box.

The main optical cable 140 introduced into the housing 130 in the external space of the generation is branched into a plurality of optical cables 141 and the plurality of branched optical cables 141 are optical pigtails 142, one end of which is an optical cable with connector processing. An optical connector may be directly connected to a plurality of optical cables 141 that are connected by an optical connection or branched.

Here, the method of the optical connection is preferably a fusion connection, but is not limited thereto. The optical cable 141 further includes a tube-shaped sleeve 143 surrounding the connection portion so that the connection portion is not disconnected. The sleeve 143 may further include a support member (not shown) therein to protect the connection part from the outside and to prevent the connection part from being bent.

In general, the allowable radius of curvature of the optical cable 141 is 20 times the outer diameter of the optical cable 141, and if it is bent at a lower radius of curvature, loss of data transmission occurs. Therefore, both ends of the sleeve 143 or the sleeve holder 131 and the radius of curvature of the optical cable 141 that is bent at both ends of the sleeve 143 or the sleeve holder 131 can have a value greater than the allowable radius of curvature. The distance from both side wall surfaces of the enclosure 130 is preferably equal to or greater than the radius of curvature.

Since the optical cable 141 used in the first embodiment of the present invention has an allowable radius of curvature of 15 mm, a distance between both ends of the sleeve 143 or the sleeve holder 131 and both side wall surfaces of the enclosure 130 is preferably 15 mm or more. Do.

When the sleeve holder 131 is installed larger than the length of the sleeve 143 in order to effectively fix the sleeve 143 to the sleeve 143 according to the installed environment, the sleeve holder 131 extends at both ends of the sleeve 143. Since the optical cable 141 is supported by the sleeve holder 131, the distance between both ends of the sleeve holder 131 and both sidewall surfaces of the housing is preferably the distance.

In addition, unlike the above embodiment, when the sleeve holder 131 is installed shorter than the length of the sleeve 143, the sleeve for effective optical signal transmission of the optical cable 141 extending from both ends of the sleeve 143 It is preferable to keep the distance between the both ends of the (143) and the both side wall surface of the housing 130 above 15mm.

In addition, the sleeve holder 131 is located on the inner bottom of the housing 130 and a plurality of coupling grooves are formed so that the sleeve 143 can be fixed. Since the sleeve 141 is fixed to the groove of the sleeve holder 131, disconnection of the optical cable 141 due to excessive movement or vibration of the connection portion may be prevented.

The sleeve holder 131 is preferably configured to be detachable rather than fixed to the housing 130 in order to cope with the environment according to the type and number of optical adapters.

In addition, the number of the sleeve holder 131 is preferably configured to be determined by the number of the optical cable to be drawn in or drawn out so that it can be configured to effectively cope with the environment of the optical cable.

On the other hand, the optical adapter bracket 120 is equipped with a plurality of optical adapter 121 is coupled to the front of the housing 130 in a sliding manner characterized in that the removal of the housing 130 is very simple and easy.

In addition, the projection adapter 122 and the engaging groove 133 may be formed in the sliding and abutting portion so that the optical adapter bracket 120 is fixed to the enclosure 130 in a fixed state.

That is, the protrusion 122 is formed in the optical adapter bracket 120 and the coupling groove 133 corresponding to the protrusion is formed in the front part of the housing in which the optical adapter bracket 120 is coupled by the sliding method. Is formed so that the protrusion 122 is fixed to the coupling groove 133.

Grooves may be formed in the optical adapter bracket 120, and protrusions may be formed in the housing 130, and the protrusions and the defect grooves may not be easily separated from the optical adapter bracket 120 and the housing 130. It is apparent that the various modifications among those skilled in the art are included in the scope of the technical idea according to the present invention, as long as these functions can be performed.

In addition, since the optical adapter bracket 120 receives a horizontal force due to the detachment of the optical adapter 121 and the optical connector, the housing 130 may receive the optical adapter bracket 120 in a horizontal direction. It is preferable to further include an adapter bracket support 135.

Therefore, when it is necessary to replace the optical adapter 121 mounted on the optical distribution box 100 for the generation terminal box with a different type of optical adapter 121 by changing the user's terminal device, each optical adapter 121 is lighted. Instead of being separated from the adapter bracket 120, by replacing it with the optical adapter bracket 120 equipped with another type of optical adapter 121, it is possible to obtain an effect that can be easily replaced with another type of optical adapter 121. have.

In general, the types of optical cables and optical adapters according to the above are ST, SC, LC, FC and MTRJ types, and the number of optical cables to be connected is generally 4, 6, 8, 12, and the like.

In order to easily overcome the uneconomical problem of having a fixed housing individually for each optical cable according to the various types and the number of types as described above, each optical adapter type / number of optical adapter bracket can be attached and detached to the housing By configuring so that the above problems can be effectively overcome.

That is, through the configuration of the present invention as described above it is possible to overcome the uneconomical and inefficient problems that can not cope with the conventional optical cable environment.

The female part 132 is preferably one or more and may have two or more protrusions formed at predetermined intervals.

The optical cable 141 introduced into the generation terminal box optical distribution box 100 may be inserted and fixed between the two or more protrusions, and may be inserted and fixed in a staggered manner between the two or more protrusions.

The optical cable 141 is configured to wind along the female part 132 while repeatedly passing through the plurality of female part 132. Therefore, it is preferable that the predetermined interval of the protrusion provided in the female part 132 is wider than the thickness of the optical cable 141.

In addition, it is preferable that the number of protrusions of the female part 132 is two, and the two protrusions preferably have an inclined locking jaw so that the upper surfaces thereof face toward each other, but are not limited thereto.

Accordingly, when the optical cable 141 is inserted and fixed between the two protrusions, the optical cable 141 is guided between the protrusions by the inclined portion of the locking jaw, thereby facilitating the insertion and fixing of the optical cable 141. The inserted state is maintained by the locking jaw.

That is, through the configuration of the present invention as described above can be easily made and fixed, but can not be easily separated by natural shaking or external impact, unless artificial force is applied.

By fitting the optical cable 141 as described above, it is possible to easily use the extra optical cable 141 to transfer or repair the next generation terminal box.

3 is a perspective view showing a light distribution box for a generation terminal box according to a second embodiment of the present invention.

Referring to FIG. 3, the female part 132 may include a protrusion that at least one sleeve holder 131 is positioned on an outer circumferential surface thereof. The protrusion of FIG. 3 has a single columnar shape unlike the protrusion of FIG. 2.

As shown in FIG. 3, the drawn optical cable may be arranged and dressed using the protrusion of FIG. 3. As described above, the optical cable 141 may be dressed with only one protrusion as shown in FIG. 3, and the configuration of the protrusion may be modified in various forms by those skilled in the art.

4 is a perspective view showing a light distribution box for a generation terminal box according to a third embodiment of the present invention.

Referring to FIG. 4, when the optical connection method is polishing, the optical cable 141 introduced into the optical distribution box 100 for the generation terminal box is directly connected to the optical connector, thereby eliminating the need for the sleeve holder 131.

Therefore, by removing the sleeve holder 131 from the housing 130, it is possible to more efficiently utilize the internal space of the housing 130, the sleeve holder 131 is removable so that the housing 130 at any time as needed Can be mounted on and used.

5 is a perspective view showing a light distribution box for a generation terminal box according to a fourth embodiment of the present invention.

Referring to FIG. 5, when the number of optical cables 141 distributed in the optical distribution box 100 for generation terminal boxes is large, two sleeves 143 are fixed to two layers in one coupling groove formed in the sleeve holder 131. Space utilization inside the enclosure 130 may be increased.

Here, one sleeve coupling groove is not limited to the two sleeves 143 is fixed, of course, two or more sleeves 143 may be fixed.

6 is a perspective view showing a state in which the optical distribution box for the generation terminal box shown in FIG.

Referring to FIG. 6, the coupling cover 110 is coupled to the housing 130 to be opened and closed. Therefore, the components inside the enclosure 130 can be safely protected, and if necessary, the enclosure 130 can be opened, so that maintenance work can be easily performed.

In addition, the inlet 111 through which the daylight cable 140 may be inserted is formed at the side of the coupling cover 110, so that the daylight cable 140 can be easily inserted into the interior of the housing 130. have.

In addition, it is preferable that a plurality of inlets 111 are formed in the rear side or both sides of the coupling cover 110 according to a drawout environment.

Depending on the installation environment, the inlet 111 may be formed as the bottom surface of the housing 130 as well as the coupling cover 110.

In addition, when the optical distribution box 100 for the generation terminal box is installed, the incision guide groove is cut into the inner surface of the coupling cover 110 with a broken line so that the inlet 111 of the main light cable is formed at a necessary position according to various installation environments. When the artificial force is applied to form the through hole is preferably configured to form the inlet 111.

In addition, the locking cover (not shown) may be further included in the coupling cover 110 to prevent the components inside the enclosure 130 from being deliberately damaged.

When the daylight cable 140 introduced from the outside is introduced into the enclosure according to the present invention, in order to be variously applied according to the installation environment, the enclosure has one or more positions corresponding to one or more inlets 111 provided in the coupling cover. It is preferable that the above-mentioned through hole 111a is formed.

In addition, a fixed induction part 150 is installed on the bottom of the enclosure so that the daylight cable 140 introduced into the position corresponding to the through hole 111a is fixed, and the drawn daylight cable 140 is fixed induction part 150. It can be configured to be bundled by a predetermined means by.

Through the above configuration it can be configured to prevent the separation or shaking of the incoming daylight cable 140 and to be effectively fixed.

According to the optical distribution box for the generation terminal box of the present invention, the optical adapter can be easily replaced and the extra optical cable can be fitted so that the extra optical cable can be easily used for repairing or moving the optical distribution box.

In addition, the wiring can be effectively performed according to the installation environment, so it can be efficiently adapted to various installation environments.

As mentioned above, although this invention was demonstrated by the limited embodiment and drawing, this invention is not limited by this, The person of ordinary skill in the art to which this invention belongs, Of course, various modifications and variations are possible within the scope of equivalents of the claims to be described.

Claims (8)

In the optical distribution for generation terminal box in which the main optical cable consisting of a plurality of optical cables, the optical fiber is protected by a sheath is introduced from the outside of the generation space, the drawn main optical cable is branched into a plurality of optical cables and drawn out into the generation space, A housing installed inside the generation terminal box and having an accommodation space therein; An optical adapter bracket positioned on the front of the enclosure and equipped with a plurality of optical adapters; A sleeve holder, which is a portion to which a plurality of optical cables and an optical pigtail are connected, is fixed and is detachably disposed on an inner bottom of the enclosure; And And at least one optical cable holder located inside the enclosure to allow the extra optical cable to be inserted into the enclosure. The optical adapter bracket is fixed to the enclosure to be removable in a sliding manner, The sleeve holder is formed with a coupling groove of a height that can be fixed in two layers two sleeves, The optical cable fitting unit has two or more protrusions formed at predetermined intervals on the bottom surface of the enclosure, and the optical cable is inserted and fixed between the two or more protrusions. The number of the protrusions is two, the two projections are light distribution for generation terminal box, characterized in that the inclined locking step is formed so that the upper surface is facing toward each other. delete delete delete delete According to claim 1, Both ends of the sleeve or the sleeve holder, Generation distribution box for the terminal box, characterized in that spaced apart from the side wall surface 15mm or more. The method of claim 1, wherein the optical adapter bracket, Protruding portions are formed on both sides, and the front surface of the housing in which the optical adapter bracket is detachably mounted in a sliding manner, and a defect groove corresponding to the protruding portion is formed. According to claim 1, wherein the optical distribution box for the generation terminal box, Combined with the housing so as to open and close, the generation distribution box for optical distribution box further comprises a coupling cover formed with an inlet through which the main optical cable can be inserted.

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