JP2000147267A - Information plug socket - Google Patents

Abstract

PROBLEM TO BE SOLVED: To lay an optical fiber cable so that the winding diameter of the cable is larger than a regulated diameter. SOLUTION: The information plug socket is provided with an EO/OE module part 4 allowed to be rotated around a rotational shaft 3 against a fixed part 2, a drum supporting part 5 fit to the module part 4 and a winding drum 6 having a cylindrical shape whose diameter is >=2 cm in order to wind up a plastic optical fiber(POF) cable 9. Consequently the POF cable 9 can be wound up without damaging it and reducing performance.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to an information outlet used for information wiring using an optical fiber cable indoors such as an office or a house.

[0002]

2. Description of the Related Art Conventionally, information wiring has been provided in offices and homes for transmitting various data signals such as characters, voices, and images to terminal devices. From the request, the use of fiber optic cable has been penetrating to the place where the terminal is installed. This optical fiber cable is wired on the back side of the wall and connected to a connector (outlet) directly or via an opto-electric converter so that signals can be taken out indoors.

[0003] When such an optical fiber cable is wired in a house or the like, the optical fiber cable is usually extraneous. However, the processing of the surplus optical fiber cable immediately before the outlet is carried out in the wound state when the outlet is connected to the wall. Or on the floor.

[0004]

However, in the case of an optical fiber cable, if the diameter of the wound circle (that is, the bending radius) is small, the efficiency of optical transmission deteriorates,
There is a problem that the optical fiber cable is damaged. Therefore, when winding an optical fiber cable, it is necessary to always keep the diameter of the optical fiber cable to a specified value or more.

For example, if the winding diameter of the optical fiber cable becomes smaller than a specified diameter even for a moment during construction,
The optical transmission efficiency may be reduced and may not be restored. Normally, outlets are installed after the wall is completed, so mistakes during installation may cause deterioration of optical fiber characteristics. Need to be fixed,
There is a problem that the labor of construction increases.

An object of the present invention is to provide an information outlet which can be constructed so that the winding diameter of the optical fiber cable does not become smaller than a specified diameter in consideration of such problems at the time of winding the conventional optical fiber cable. Things.

[0007]

SUMMARY OF THE INVENTION The present invention provides an outlet for a signal transmitted by an optical fiber cable, a signal relay section for relaying the outlet and the optical fiber cable, and an outlet for the outlet. The information outlet includes a guide member provided on the rear surface side for winding the optical fiber cable to a predetermined diameter or more, and a support for supporting the guide member.

[0008]

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS The present invention will be described below with reference to the drawings showing an embodiment. (First Embodiment) FIG. 1 is a sectional view showing a configuration of an information outlet according to a first embodiment of the present invention.
FIG. 2A is a cross-sectional view (a view from the back surface) taken along a cut plane parallel to the outlet surface, and FIG. FIG.

In FIG. 1, for example, as shown in FIG. 3, two outlets 10 for multimedia service and a modular outlet 11 for ISDN and an outlet for digital CS broadcasting are provided on an outlet surface parallel to the wall surface 1 as shown in FIG. A broadcasting outlet unit 12 provided with an outlet 23 and a U / V / BS broadcasting outlet 24, and a three-port power outlet 13 are provided. Note that 100
Is a mounting frame.

An outlet fixing portion 2 provided with one multimedia service outlet 10 is disposed on the back surface of the outlet surface of the information outlet according to the present embodiment. An EO / OE module 4 for bidirectionally converting an electric signal to an electric signal is rotatably attached to the outlet via the rotating shaft 3. One end of the EO / OE module unit 4 is connected to a drum supporting unit 5, and a cylindrical winding drum 6 for winding a POF cable (plastic optical fiber cable) 9 is mounted on the drum supporting unit 5.
Further, a regulating frame 7 for regulating the wound POF cable from spreading outward is attached. That is,
The EO / OE module unit 4, the drum support unit 5, the take-up drum 6, and the regulating frame 7 are integrated to form a rotating unit. The configuration is such that the space between the take-up drum 6 and the outlet surface is open.

A POF connector 8 for connecting a POF cable 9 is provided at one end of the EO / OE module unit 4.
Is provided. In the present embodiment, two POF connectors are provided, and are arranged obliquely with respect to the outlet surface so as to be shifted in the horizontal and vertical directions. Therefore PO
Two F cables can be connected and the POF cable 9 side PO
When connecting the F connector to the EO / OE module unit 4, work becomes easier. Although not shown, EO / O
Terminal ports for inputting and outputting electric signals of the E module unit 4 are P
It is provided on the surface perpendicular to the mounting surface of the OF connector 8,
One of them is connected to two multimedia service outlets 10 (see FIG. 3) on the outlet surface through an outlet fixing part 2 via a signal cable.

Here, the optical signal transmitted through each POF cable 9 is transmitted through the respective POF connector 8 to the E / E connector.
After being incident on the O / OE module unit 4 and converted into an electric signal in the module unit, each multimedia service outlet 1 is connected via each signal cable 14.
0. In addition, an electric signal input to each multimedia service outlet 10 from an external terminal device or the like is transmitted to the EO / OE via each signal cable 14.
After being input to the module section 4 and converted into an optical signal in the module section, the signal is emitted to each POF cable 9 via each POF connector 8 and transmitted.

In the above configuration, the EO / OE module section 4 constitutes a signal relay section, and the winding drum 6 constitutes a guide member. Further, the diameter of the winding drum 6 needs to be 2 cm or more, preferably 4 cm or more, due to limitations on the transmission characteristics of the optical fiber cable.

When the POF cable 9 is connected to the information outlet in the above-described configuration, first, the rotating unit including the EO / OE module unit 4 and the drum support unit 5 with respect to the outlet fixing unit 2. To open the space between the outlet and the back. This opening angle is desirably set at a minimum of 45 degrees for work reasons and the like, and if set to a large angle such as 90 degrees or 180 degrees, work becomes easier in terms of construction. Next, in the opened state, the extra POF cable 9 that has been surplus during wiring is wound up using the winding drum 6 as a guide, and then connected to the EO / OE module unit 4 by the POF connector 8. Alternatively, connect the POF cable 9 to the EO
After connecting to the / OE module unit 4, the POF cable 9
Is wound around the winding drum 6. After processing the POF cable 9 in this manner, the turning part is turned to the original position, and the construction is completed.

As described above, according to the information outlet of the present embodiment, the remaining portion of the POF cable is wound by using the winding drum 6 having a diameter of 2 cm or more as a guide at the time of construction, so that the diameter of the wound optical fiber cable is equal to that of the optical fiber cable. Since the winding diameter cannot be reduced to an instant so as to reduce the diameter of the optical fiber cable, the optical fiber cable can be easily constructed without damage or deterioration of characteristics.

In the above-described embodiment, the guide member is constituted by a cylindrical winding drum. However, the winding member is not limited to this as long as the winding diameter does not become smaller than a predetermined diameter at any one point when winding. It is not something to be done.

In the above-described embodiment, the regulating frame is attached so that the wound optical fiber cable does not spread. However, the present invention is not limited to this, and may be omitted if there is no fear that the optical fiber cable will spread. For example, a method of fixing the winding end portion of the optical fiber cable, or a method of attaching a cable fixing frame after winding, or the like may be used.

In the above-described embodiment, the EO / OE module unit is integrally formed with the support unit so as to rotate.
Alternatively, the EO / OE module may be fixed and only the support including the guide member may be rotatable.

Further, in the above embodiment, the support portion including the winding drum as the guide member is configured to open to the outlet surface. However, the present invention is not limited to this, and may be fixed. In that case, the work is easier when the guide member is exposed on the back side.

In the above embodiment, the number of optical fiber cables, that is, the number of optical connectors in the signal relay section is two.
Although an example of the number has been described, the number is not limited to this, and may be three or more.

The configuration of the outlet in the above embodiment is merely an example, and it is needless to say that the present invention is not limited to this. Alternatively, a configuration having only an outlet connected to the optical fiber cable may be used. (Second Embodiment) FIG. 2 is a sectional view showing a configuration of an information outlet according to a second embodiment of the present invention.
As in the case of FIG. 1, FIG. 1A is a cross-sectional view (view from the back surface) along a cut surface parallel to the outlet surface, and FIG.
FIG. 4 is a cross-sectional view taken along a cut plane (that is, a horizontal plane) perpendicular to the outlet plane passing through the winding drum.

In FIG. 2, similarly to the first embodiment, the outlet surface parallel to the wall surface 1 is provided with, for example, a portion of the multimedia service outlet 10 in the outlet configuration shown in FIG. Consists of one optical connector, and the other outlets are provided with similar ones.

An outlet fixing portion 15 is arranged on the back surface of the outlet surface of the information outlet according to the present embodiment.
A signal relay section 16 for passing an optical signal between the POF cable 9 and an optical connector 18 provided on the outlet side is attached to the outlet fixing section 15 so as to be easily detachable. In the signal relay section 16, a mirror 17 as an optical member for changing a direction (here, a right angle direction) of a passing optical signal is arranged. One end of the signal relay section 16 is connected to the drum support section 5.
The drum support 5 has a cylindrical winding drum 6 for winding a POF cable (plastic optical fiber cable) 9 and a restriction frame 7 for restricting the wound POF cable from spreading outward. Installed. That is, the signal relay section 16, the drum support section 5, the winding drum 6, and the restriction frame 7 are integrated and configured to be detachable from the outlet fixing section 15. Further, in the present embodiment, the drum supporting portion 5 is disposed on the back side when viewed from the back side of the outlet, and the winding drum 6 is disposed on the front side, so that the winding drum 6 is released outside the back surface of the outlet. State.

Further, a POF connector 8 for connecting a POF cable 9 is provided on one end surface of the signal relay section 16, and in this embodiment, one POF connector is provided. Therefore, only one POF cable can be connected. Further, as shown in FIG. 2B, an optical path is provided in the signal relay section 16 in a direction perpendicular to each other with the mirror 17 interposed therebetween, and the optical path facing the outlet surface is an optical path. It is configured to be joined to an optical path 19 connected to the connector 18.

Here, the optical signal transmitted through the POF cable 9 is transmitted through the POF connector 8 to the signal relay section 16.
After being turned 90 degrees by the mirror 17, the light passes through an optical path 19 and is supplied to an optical connector 18 for multimedia services. Further, an optical signal transmitted from an external terminal device or the like to the optical connector 18 for multimedia service passes through the optical path 19 and is incident on the signal relay unit 16. The light is emitted to the POF cable 9 via the connector 8 and transmitted.

In the above configuration, the winding drum 6 constitutes a guide member. Further, the diameter of the winding drum 6 needs to be 2 cm or more, preferably 4 cm or more, due to the limitation in the standard of the optical fiber cable.

In the above configuration, when the POF cable 9 is connected to the information outlet, first, the outlet fixing portion 15 connects the signal relay portion 16 and the drum support portion 5.
The integral part composed of the above is detached. Next, the extra POF cable 9 that has been surplus during wiring is wound up using the winding drum 6 as a guide, and then connected to the signal relay section 16 by the POF connector 8. Alternatively, connect the POF cable 9 to P
After being connected to the signal relay section 16 by the OF connector 8, P
An extra portion of the OF cable 9 is wound around the winding drum 6. After treating the POF cable 9 in this manner, the detached integral part is attached to the outlet fixing part 15 to complete the construction.

As described above, according to the information outlet of the present embodiment, the remaining portion of the POF cable is wound by using the winding drum 6 having a diameter of 2 cm or more as a guide at the time of construction, so that the winding diameter is equal to the performance of the optical fiber cable. Since the winding diameter cannot be reduced to an instant so as to reduce the diameter of the optical fiber cable, the optical fiber cable can be easily constructed without damage or deterioration of characteristics. Further, since the work can be performed in a state where the winding drum and the like are detached from the outer frame of the outlet, it is easier to construct the work surface such as connection of the connector.

In the above-described embodiment, the guide member is constituted by a cylindrical winding drum. However, the winding member is not limited to this as long as the winding diameter does not become smaller than a predetermined diameter at any one place. It is not something to be done.

In the above-described embodiment, the regulating frame is attached so that the wound optical fiber cable does not spread. However, the present invention is not limited to this, and may be omitted if there is no fear that the optical fiber cable will spread. For example, a method of fixing the winding end portion of the optical fiber cable, or a method of attaching a fixed frame after winding, etc. may be used.

In the above embodiment, the signal relay section is also integrated with the support section so as to be detachable. Alternatively, the signal relay section is fixed and only the support section including the guide member is detachable. It is good also as composition.

In the above-described embodiment, the support portion including the winding drum as the guide member is configured to be detachable from the outlet surface. However, the present invention is not limited to this, and may be fixed.

In the above embodiment, the number of optical fiber cables, that is, the number of optical connectors in the signal relay section is one.
Although an example of the number has been described, the number is not limited to this and may be two or more.

In the above embodiment, the mirror is used as the optical member. However, the present invention is not limited to this, and it is sufficient that the direction of light can be changed to a desired direction. For example, a prism may be used.

The configuration of the outlet in the above embodiment is merely an example, and it is needless to say that the present invention is not limited to this. Alternatively, a configuration having only an outlet connected to the optical fiber cable may be used.

In the first embodiment, the signal cable 14 is not limited to the cable, but may be a signal circuit or a signal board for transmitting signals.

In the first or second embodiment, the POF is used as the optical fiber cable. However, the optical fiber cable may be a hard polymer flat fiber or a quartz optical fiber.

In the second embodiment, the arrangement of the winding drum and the drum support may be the same as that of the first embodiment.

[0039]

As is apparent from the above description, the present invention provides an outlet for a signal transmitted by an optical fiber cable, a signal relay section for relaying the outlet and the optical fiber cable, and an outlet. It is provided on the back side of the outlet surface to be provided, and has a guide member for winding the optical fiber cable with a predetermined diameter or more, and a support portion for supporting the guide member,
The optical fiber cable can be constructed so that the winding diameter of the optical fiber cable does not become smaller than a predetermined diameter, and there is an advantage that the optical fiber cable can be prevented from being damaged or deteriorated in construction.

[Brief description of the drawings]

FIG. 1 is a cross-sectional view illustrating a configuration of an information outlet according to a first embodiment of the present invention.

FIG. 2 is a sectional view showing a configuration of an information outlet according to a second embodiment of the present invention.

FIG. 3 is a front view showing an example of the arrangement of outlets on the outlet according to the first embodiment;

[Explanation of symbols]

 DESCRIPTION OF SYMBOLS 1 Wall surface 2, 15 Outlet fixing part 3 Rotation axis 4 EO / OE module part 5 Drum support part 6 Winding drum 7 Restriction frame 8 POF connector 9 POF cable 16 Signal relay part 17 Mirror 100 Mounting frame

 ──────────────────────────────────────────────────の Continuing on the front page (72) Inventor Toshinori Masuda 1006 Kadoma Kadoma, Osaka Prefecture Inside Matsushita Electric Industrial Co., Ltd. F-term (reference) 2H036 RA04 RA11 RA24 2H038 CA34 CA37 CA38

Claims (10)

[Claims] 1. An outlet for a signal transmitted by an optical fiber cable, a signal relay section for relaying the outlet and the optical fiber cable, and a back side of an outlet on which the outlet is arranged; An information outlet, comprising: a guide member for winding the optical fiber cable with a predetermined diameter or more; and a support portion for supporting the guide member. 2. The information outlet according to claim 1, wherein the guide member is a cylindrical drum having a diameter of 2 cm or more. 3. The information outlet according to claim 1, wherein the support section has a regulating frame for regulating the spread of the optical fiber cable wound around the drum. 4. The information outlet according to claim 1, wherein the support provided with the guide member is rotatable with respect to the outlet surface. 5. The support part provided with the guide member is detachable.
Information outlet described in. 6. The signal relay unit has an optical-electrical conversion unit, and converts an optical signal transmitted by the optical fiber cable into an electric signal, and transmits the electric signal to the outlet. The information outlet according to any one of claims 1 to 5, wherein after converting the electrical signal input from the outlet into an optical signal, the optical signal is transmitted to the optical fiber cable. 7. The information outlet according to claim 6, wherein the angle between the direction of the optical signal entrance and exit of the signal relay unit and the direction of the electrical signal entrance and exit is substantially a right angle. 8. The signal relay section transmits the optical signal as it is between the optical fiber cable and the outlet, and changes an optical member that changes the direction of the optical signal passing between them. 2. The method according to claim 1, wherein
The information outlet described in any one of the above items. 9. The information outlet according to claim 1, wherein when the number of the optical fiber cables is two or more, the connectors are arranged so as to be shifted from each other in the horizontal and vertical directions. . 10. The information outlet according to claim 1, further comprising another type of outlet provided in the outlet surface.