KR200404285Y1 - Optical Network Terminal - Google Patents

Abstract

The present invention relates to an optical network terminal device installed in a subscriber's home and used to construct and form an optical subscriber network.

According to the optical network terminal device according to the present invention, the optical connector connected from the outside is connected in a state that is inserted all the inside of the case, since the optical connector is not exposed to the outside of the case, the user's mistake or curiosity In order to prevent the damage of the optical connector, especially when the child is separated from the optical connector by curiosity to illuminate the light source (laser light) to the eyes, it is possible to prevent the loss of vision or loss.

Furthermore, in the present invention, when connecting and disconnecting an optical connector connected from the outside, a specially manufactured separate forceps is used, and in case of damage of the optical connector due to arbitrary separation, the responsibility between the subscriber and the installer is transparent. By doing so, reasonable management can be achieved.

The present invention is provided with a distance from the inner surface of the case forming the connection hole while the optical adapter to be connected to the optical connector drawn out from the optical transceiver horizontally aligned with the connection hole, the optical through the connection hole from the outside In connection with an adapter, an optical network terminal device is provided that is completely accommodated inside a case so that the optical connector is not exposed to the outside, thereby preventing damage and damage caused by the exposure of the optical connector.

In addition, the present invention, in order to be connected to the optical transceiver in a state that the optical connector connected from the outside is all accommodated inside the case, the optical transceiver is installed at a distance from the inner surface of the case formed a connection hole An optical network terminal device is provided to prevent damage and damage due to exposure of an optical connector to the outside of the case.

Description

Optical Network Terminal

The present invention relates to an optical network terminal device, and in particular, since the optical connector connected to the outside is not exposed, the optical connector is prevented from being damaged due to a user's mistake or curiosity, and in particular, the optical connector is caused by a child's curiosity. If the light source (laser light) is shining on the eyes, it can prevent the eyes from being damaged or lost. In addition, when connecting and disconnecting the optical connector, separate tongs should be used so that no damage occurs between the subscriber and the installation company when the optical connector is damaged due to arbitrary separation.

In general, a conventional optical network terminal device 10 installed in a subscriber's home and used to construct an optical subscriber network is provided with a printed circuit board 14 inside the case 12 as shown in FIG. The optical transceiver 16 is fixed to the upper surface of the printed circuit board 14 in a connected state.

In addition, one side of the optical transceiver 16 is drawn out in a state in which the optical fiber cable 20 having the optical connector 18 at the end thereof is connected, and is disposed horizontally with the connection hole 22 of the case 12. .

The optical adapter 24 is disposed between the optical connector 18 and the connection hole 22 in a state where the optical adapter 24 is fixed by the fixing member 26, wherein one side of the optical adapter 24 is provided with an optical transceiver ( The optical connector 18 drawn out from 16 is connected and connected in a fitting manner, and the other side is brought into close contact with the connection hole 22.

The other side of the optical adapter 24 is connected to the optical connector 30 of another optical fiber cable 28 which is connected from the outside to provide the service to the subscriber.

2 shows another conventional optical network terminal device 40, and the same reference numerals will be used for the same configuration as that of FIG.

As shown in the drawing, the case 12 is provided with a printed circuit board 14, and the upper surface of the printed circuit board 14 is different from the optical transceiver 16 described with reference to FIG. 42) is fixed in the connected state. In addition, one side of the optical transceiver 42 is disposed in close contact with the connection hole 22.

In addition, the connection hole 22 is configured to be connected to the optical connector 30 of the optical fiber cable 28 which is connected from the outside so as to provide a corresponding service to the subscriber.

Therefore, the optical network terminal devices 10 and 40 configured as described above are installed in the subscriber's home, and the optical network terminal devices 10 and 40 are connected to a computer or a television to which the user wants to connect to receive the service. do.

However, in the conventional optical network terminal devices 10 and 40 configured as shown in FIGS. 1 and 2 as described above, the optical connector 30 of the optical fiber cable 28 commonly connected from the outside is connected to the case 12. By being connected so as to be exposed to the outside, the connection and disconnection operation of the optical connector 30 is easy and easy, but on the other hand due to the user's mistake, curiosity and circumference arbitrarily detach and disassemble often occurs, the optical connector There was a problem in that normal service could not be provided due to damage, breakage and contamination of (30).

Due to the above problems, when the optical connector 30 is damaged or broken, the installer does not clearly show the responsibility for the damage or the damage to the subscriber, and the application between the subscriber and the installer often occurs.

In particular, when a curious child easily detaches the optical connector 30 and sees the light source (laser light) with the eyes or directly shines on the eyes, there is a serious problem that the vision is reduced or lost.

The present invention was developed to solve the above problems, the optical connector coming from the outside is connected to the state not exposed to the outside of the case to prevent damage and damage of the optical connector, and by separating the light source When (laser light) is exposed to the eyes, it aims to prevent the vision from being damaged or lost.

In another object of the present invention, when the optical connector is connected and disconnected, an improved structure using a specially manufactured separate forceps eliminates the complication between the subscriber and the installer when the optical connector is damaged or damaged. Therefore, reasonable management can be achieved.

The present invention for achieving the above is provided with a distance from the inner surface of the case forming the connection hole while the optical adapter to be connected to the optical connector drawn from the optical transceiver horizontally aligned with the connection hole, the external When connecting with the optical adapter through the connection hole from the inside, the optical connector is all accommodated inside the case so that the optical connector is not exposed to the outside, there is a technical feature in the optical network terminal device to prevent damage and damage due to exposure of the optical connector.

In addition, the present invention, in order to be connected to the optical transceiver in a state that the optical connector connected from the outside is all accommodated inside the case, the optical transceiver is installed at a distance from the inner surface of the case formed a connection hole In addition, there is a technical feature of the optical network terminal device to prevent damage and damage due to exposure of the optical connector to the outside of the case.

In addition, in the present invention, the outer surface of the optical connector at least one projection protruding at intervals from each other along the longitudinal direction, the locking projection is to be inserted into the corresponding insertion grooves of the gripping both ends of the forceps that can be inserted into the connection hole, using the forceps It would be desirable to allow connection and disconnection of the optical connector.

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

[First Embodiment]

3A, 3B, and 3C show an optical network terminal device according to the present invention, FIG. 3A is a plan sectional view, FIG. 3B is a side sectional view showing FIG. 3A, and FIG. This is a cross-sectional view showing the bite. In addition, since the same reference numerals as those in FIG. 1 denote the same components, they will be omitted to avoid duplicate description.

3A and 3B, the optical transceiver 16 fixed to the printed circuit board 14 of the case 12, the optical fiber cable 20 of the optical connector 18 connected to the optical transceiver 16, And the optical adapter 24 is comprised conventionally the same.

Here, the present invention is not a structure in which the optical adapter 24 is in close contact with the inner surface of the connection hole 22, that is, the case 12 as in the prior art, the distance (D1) by a predetermined distance from the inner surface of the case 12 When the optical connector 30 connected to the outside via the connection hole 22 is connected, it will be in the state accommodated in the case 12 at the time of connection.

At this time, the distance D1 is set in consideration of the length L of the optical connector 30 so that the optical connector 30 can be completely accommodated in the case 12 when the optical connector 30 is connected.

In addition, the outside of the optical connector 30, the blocking fixing member 50 is fixed in a state of sealing a part of the optical adapter 24 including the optical connector 30 from the connection hole 22.

In addition, the outer surface of the optical connector 30 is formed with one or more locking projections 52 are spaced apart from each other along the length. The locking projections 52 are formed in the locking grooves 56 of the tongs 54. It will be inserted and combined, which will be described in detail below.

The above-mentioned tongs 54 are formed in the shape of “V”, and the insertion grooves 56 are locked at respective positions so that the locking protrusions 52 can be correspondingly inserted into the inner surfaces of the both end holding portions 58. It is preferably formed to match the number of groups 52, and even if a slight force is applied, the force is strongly transmitted to the gripping portion 58, so that it may be formed so that accurate gripping can be made.

Further, in the accompanying drawings, the tongs 54 are shown in the form of a "V" shape, but this is only for ease of explanation and understanding of the present invention, and is not necessarily limited to such a shape. Any structure and shape may be used as long as the optical connector 30 can be correctly held and connected to and disconnected from the optical connector 30.

In addition, the structure in which the locking protrusion 52 of the optical connector 30 is inserted into and gripped by the insertion groove 56 of the forceps 54 is not only limited to this structure, but also for easily explaining the present invention. Any structural modifications will be possible unless accurate gripping and slipping occurs.

Therefore, when the external optical connector 30 is connected to the optical adapter 24, the locking projection 52 of the optical connector 30 is inserted into the insertion groove 56 of the tongs 54, and then gripped. After insertion into the connection hole 22 of the case 12 as shown in 3a and 3c, it is connected to the optical adapter 24, and when the connection is completed, the gripping force is released to remove only the tongs 54.

Second Embodiment

4A, 4B, and 4C show another example of an optical network terminal device according to the present invention. FIG. 4A is a plan sectional view, FIG. 4B is a side sectional view of FIG. 4A, and FIG. 4C is a connector and This is a cross-sectional view of the tongs. In addition, since the same reference numerals as those of FIG. 2 denote the same components, they will be omitted to avoid duplicate description.

As shown in FIGS. 4A and 4B, the optical transceiver 42 fixed to the printed circuit board 14 is not connected to the inner surface of the connection hole 22, that is, the case 12, as in the related art. Is disposed at a distance D2 from the inner surface of the inner surface of the inner surface of the case 12 so that the optical connector 30 connected from the outside through the connection hole 22 is fully accommodated in the case 12. .

In this case, the distance D2 is set in consideration of the length L of the optical connector 30 so that the optical connector 30 can be completely accommodated in the case 12.

In addition, as described in the first embodiment, the outer surface of the optical connector 30 has one or more locking protrusions 52 protruding from each other along the length of each other. 54 is inserted into the insertion groove 56 of the coupling.

In addition, the outside of the optical connector 30, the blocking fixing member 60 is installed from the inner surface of the case 12 to the optical transceiver 42, the connection between the optical connector 30 and the optical transceiver 42 is sealed It becomes a state.

On the other hand, the tongs 54 is configured in the same structure as described in Example 1, it will be omitted to avoid duplicate description.

Therefore, when the installer connects the optical connector 30 connected from the outside to the optical transmitter / receiver 42, the engaging projection 52 of the optical connector 30 is inserted into the insertion groove 56 of the tongs 54. After gripping in the inserted state, as shown in FIGS. 4A and 4C, the gasket is inserted into the connection hole 22 of the case 12, and when the connection is completed, the gripping force is released to remove only the forceps 54.

When the present invention is used as described in the first and second embodiments, when the optical connector 30 connected from the outside is connected, only the optical fiber cable 28 is exposed to the outside of the case 12. Therefore, it is possible to solve all the various conventional problems raised during the exposure of the optical connector 30.

For example, even when the child pulls the optical fiber cable 28 exposed to the outside of the case 12 and the optical fiber cable 30 is disconnected, the optical connector 30 is horizontally aligned with the connection hole 22 at the time of separation. In the state inclined by the self-weight of the optical connector 30 is blocked to prevent the connection hole 22 to come out to the outside, thereby helping to prevent the same problem as before.

As described above, although the present invention has been described by the limited embodiments and the drawings, the present invention is not limited thereto, and the technical spirit of the present invention is determined by those skilled in the art to which the present invention belongs. Of course, various modifications and variations are possible within the scope of the equivalent.

As described above, according to the present invention, since the optical connector is connected in a state accommodated inside the case, the optical connector is not exposed to the outside of the case, so that the user can arbitrarily separate or disassemble it by a user's mistake or curiosity. Is essentially blocked to prevent the breakage of the optical connector, especially when the child is separated by the optical connector due to curiosity, the light source is exposed to the eyes, there is an effect to prevent the loss of vision or loss.

In addition, in the present invention, when the optical connector is to be disconnected from the optical connector, a specially manufactured separate forceps is used, so that there is no complication between the subscriber and the installation company for damage to the optical connector, so that reasonable management can be made accordingly. You can also expect the effect.

1 is a schematic sectional view showing an optical network terminal device according to the prior art.

2 is a plan sectional view schematically showing another example of an optical network terminal device according to the prior art.

3A, 3B, and 3C show an optical network terminal device according to the present invention, FIG. 3A is a plan cross-sectional view, FIG. 3B is a side cross-sectional view showing FIG. 3A, and FIG. It is a cross section showing.

4A, 4B, and 4C show another example of an optical network terminal device according to the present invention. FIG. 4A is a plan sectional view, FIG. 4B is a side sectional view of FIG. 4A, and FIG. 4C is a connector and This is a cross-sectional view of the tongs.

* Description of the symbols for the main parts of the drawings *

10,40: optical network terminal device 12: case

14: printed circuit board 16, 42: optical transceiver

18,30: optical connector 20,28: fiber optic cable

22: connection hole 24: optical adapter

26: fixing member 50,60: blocking fixing member

52: jamming protrusion 54: tongs

56: insertion groove

Claims (4)

A printed circuit board is horizontally arranged and fixed inside the case having a connection hole formed at one side thereof, and an optical transceiver is fixed to the printed circuit board and connected to an optical connector of an optical fiber cable connected from the outside through the connection hole. In the network terminal device, The optical adapter which is connected to the optical connector drawn out from the optical transceiver is installed at a distance from the inner surface of the case forming the connection hole while being horizontally arranged in a state coinciding with the connection hole, and is connected to the optical adapter from the outside through the connection hole. The optical network terminal device, wherein the optical connector is completely accommodated inside the case so that the optical connector is not exposed to the outside, thereby preventing damage and damage caused by the exposure of the optical connector. The method of claim 1, One or more locking projections protrude from the outer surface of the optical connector at intervals from each other along the longitudinal direction, and the locking projections are inserted into corresponding insertion grooves of the grip portions at both ends of the tongs that can be inserted into the connection holes, thereby separating and connecting the optical connectors using the forceps. Optical network terminal device, characterized in that to be made. A printed circuit board is horizontally arranged and fixed inside the case having a connection hole formed at one side thereof, and an optical transceiver is fixed to the printed circuit board and connected to an optical connector of an optical fiber cable connected from the outside through the connection hole. In the network terminal device, The optical transceiver is provided at a distance from the inner side of the case in which the optical transceiver is connected to the optical transceiver so that the optical connector connected from the outside is completely accommodated inside the case, and the optical connector is exposed to the outside of the case. Optical network terminal device, characterized in that to prevent damage and damage caused by. The method of claim 3, wherein One or more locking projections protrude from the outer surface of the optical connector at intervals from each other along the length direction, and the locking projections are inserted into corresponding insertion grooves of the grip portions at both ends of the tongs that can be inserted into the connection holes, thereby connecting the optical connectors using the forceps. Optical network terminal device characterized in that the separation is made.