JP4459739B2 - Optical board equipment - Google Patents

Description

  The present invention relates to an optical board device in which an optical communication circuit component and an optical connector are mounted.

Conventionally, as this type of optical board device, for example, as shown in FIG. 12 of Patent Document 1, an optical connector and an optical communication circuit component are connected by an optical fiber, and the optical connector and the optical communication circuit component are connected. Is configured to exchange optical signals.
JP 2000-304941 A

However, in the conventional optical board device, the optical fiber that connects the optical connector and the optical communication circuit component is so-called “wrapping” on the board. There are problems such as obstructing the number of components, limiting the number of components mounted, and mistaken optical fibers to be connected.
The present invention has been made in order to solve such a conventional problem, and the object thereof is to make it possible to solve all the problems caused by the spiral winding by making the extra length of the optical fiber uniform. It is to provide an optical board device.

The invention according to claim 1 includes a plurality of optical fibers, and the board is mounted on one end of the board, and two optical connectors for connecting the one end side of the plurality of optical fibers are mounted on the board A plurality of optical communication circuit components that individually connect the other ends of the plurality of optical fibers, a first cable holder group disposed on a line segment parallel to the one end of the board, and the line segment, And a second cable holder group disposed on a line segment parallel to one end of the board , the optical connector and the optical communication circuit component being symmetrically sandwiched across the center line of the board position, and between said plurality of optical fibers of said optical communication circuit component and the optical connector is held by said first cable holder and said second cable holder belonging to the cable holder groups belonging to the cable holder group Together, the bent portion is formed on the constant diameter between the first and second cable holders group, and the bending portion is characterized by being located symmetrically about the center line of the board.

The invention according to claim 2 is provided with a plurality of optical fibers, a board, two optical connectors mounted on one end of the board and connecting one end of the plurality of optical fibers, and the optical connector. A first optical communication circuit component group in which a plurality of optical communication circuit components are mounted on the board at equal intervals parallel to one end of the board, and the other end portions of the plurality of optical fibers are individually connected. And a plurality of optical communication circuit components mounted at equal intervals on the board in parallel with the first optical communication circuit component group, and the other end portions of the plurality of optical fibers are individually connected. An optical communication circuit component group, a first cable holder group disposed on a line segment parallel to one end portion of the board, and a line segment different from the line segment and parallel to one end portion of the board and a second cable holder units arranged on the upper, the optical connector The first optical communication circuit component group and the second optical communication circuit component group are located symmetrically with respect to the center line of the board, and are connected to the optical connector and the first optical communication circuit component group. each of the plurality of optical fibers, and each of said plurality of optical fibers connected the optical connectors and the said second optical communication circuit part group to be equal in length, said optical communication circuit component and the optical connector And a cable holder belonging to the first cable holder group and a cable holder belonging to the second cable holder group, and having a constant diameter between the first and second cable holder groups. A bent portion is formed, and the bent portion is located symmetrically with respect to the center line of the board.

The invention according to claim 3 is mounted on the board, a plurality of optical fibers, a board, two optical connectors mounted on one end of the board, and connecting one end of the plurality of optical fibers. A plurality of optical communication circuit components for individually connecting the other end portions of the plurality of optical fibers, and a cable holder base fixed on the board at two locations between the optical connector and the optical communication circuit components And a plurality of cable holders attached to the cable holder base, the optical connector and the optical communication circuit component are located symmetrically with respect to a center line of the board, and the plurality of optical fibers are connected to the optical connector. While being held by a cable holder attached to the cable holder base between the optical communication circuit components, a bent portion is formed with a constant diameter between the cable holder bases. Form, and the bending portion is characterized by being located symmetrically about the center line of the board.

The invention according to claim 4 is provided with a plurality of optical fibers, a board, two optical connectors mounted on one end of the board, and connecting one end of the plurality of optical fibers, and the optical connector. A first optical communication circuit component group in which a plurality of optical communication circuit components are mounted on the board at equal intervals parallel to one end of the board, and the other end portions of the plurality of optical fibers are individually connected. And a plurality of optical communication circuit components mounted at equal intervals on the board in parallel with the first optical communication circuit component group, and the other end portions of the plurality of optical fibers are individually connected. An optical communication circuit component group, a cable holder base fixed on the board at two locations between the optical connector and the optical communication circuit component, and a plurality of cable holders attached to the cable holder base. The optical connector, The first optical communication circuit component group and the second optical communication circuit component group are located symmetrically with respect to the center line of the board, and are connected to the optical connector and the first optical communication circuit component group. each of said plurality of optical fibers, and each of said plurality of optical fibers connected the optical connectors and the said second optical communication circuit part group is equal in length, said optical connector and said optical communication circuit component that Are held by cable holders attached to the cable holder base at two locations, and a bent part is formed between the cable holder bases with a constant diameter, and the bent part sandwiches the center line of the board It is characterized by being located symmetrically.

The invention according to claim 5 is the optical board device according to any one of claims 1 to 4, wherein the bending portion has a radius of 30 mmφ.
The invention according to claim 6, claim 1 or in the optical board apparatus according to claim 2, wherein the distance between the first and second cable holder group is characterized by a 70 mm.
The invention according to claim 7 is the optical board device according to claim 3 or 4, wherein the cable holder base is provided with holes for attaching the cable holder at equal intervals.

The invention according to claim 8, claim 3 or in the optical board apparatus according to claim 4, wherein the cable holder block, characterized in that provided at intervals of 70 mm.

  According to the present invention, the extra length processing of the optical fiber is not required, the entanglement between the optical fibers is eliminated, the mounting component is not hindered, the number of mounting components is not limited, and the optical fiber to be connected is mistaken. There is an advantage such as not causing.

Hereinafter, the present invention will be described based on embodiments shown in the drawings.
1 to 3 show an optical board device 1 according to a first embodiment of the present invention (corresponding to claims 1, 2, 5 and 6).
The optical board device 1 according to this embodiment includes a rectangular board 2, optical connectors 3 and 4, a first optical communication circuit component group 5, a second optical communication circuit component group 6, and an optical connector 3. , 4 and the first optical communication circuit component group 5 are individually connected to the first optical fiber group 7, and the optical connectors 3 and 4 and the second optical communication circuit component group 6 are individually connected. The optical fiber group 8 is provided.

The board 2 includes an electrical connector 2b composed of a modular jack, an electrical connector 2c directly attached to the backboard printed wiring board, a power connector 2d directly attached to the backboard printed wiring board, and a printed board unit removal lever 2e.
The optical connectors 3 and 4 are attached so as to be positioned symmetrically across the center line C of the board 2 at one end 2a on the short side of the board 2. Each of the optical connectors 3 and 4 has eight connecting portions, and eight optical communication circuits 5-1, 5-2, 5-3, 5-4, 5 constituting the first optical communication circuit component group 5. -8, 5-6, 5-7, 5-8 and the eight optical communication circuits 6-1, 6-2, 6-3, 6-4, 6-6 constituting the second optical communication circuit component group 6 5, 6-6, 6-7, 6-8.

The first optical communication circuit component group 5 includes eight optical communication circuits 5-1, 5-2, 5-3, 5-4, 5-5 on a line segment A parallel to the one end 2 a of the board 2. 5-6, 5-7, 5-8 are arranged at equal intervals.
The second optical communication circuit component group 6 includes eight optical communication circuits 6-1, 6-2, 6-3, 6-4, 6-5 on a line segment B parallel to the one end 2 a of the board 2. 6-6, 6-7, 6-8 are arranged at regular intervals.

The first optical fiber group 7 includes eight optical fibers 7-1, 7-2, 7-3, and 7-4 of equal length that connect the first optical communication circuit component group 5 and the optical connectors 3 and 4. , 7-5, 7-6, 7-7, 7-8.
The second optical fiber group 8 includes eight optical fibers 8-1, 8-2, 8-3, and 8-4 of equal length that connect the second optical communication circuit component group 6 and the optical connectors 3 and 4. , 8-5, 8-6, 8-7, 8-8.

  The first optical fiber group 7 and the second optical fiber group 8 are respectively provided at two locations between the optical connectors 3 and 4 and the first optical communication circuit component group 5 and the second optical communication circuit component group 6. It is held by a first cable holder group 9 and a second cable holder group 10 fixed to the board 2. The first optical fiber group 7 and the second optical fiber group 8 are formed with bent portions 11A and 12A having a constant diameter between the first cable holder group 9 and the second cable holder group 10. Further, the bent portions 11A and 12A are held so as to be positioned symmetrically with respect to the center line C of the board 2. Here, the bending radii of the bent portions 11A and 12A were 30 mmφ.

The first cable holder group 9 includes five cable holders 9-1, 9-2, 9-3, 9-4, and 9-5 at equal intervals on a line segment D parallel to the one end 2 a of the board 2. It is configured by arranging. The cable holder 9-3 is located on the center line C of the board 2.
The second cable holder group 10 includes five cable holders 10-1, 10-2, 10-3, 10-4, and 10-5 at equal intervals on a line segment E parallel to the one end 2 a of the board 2. It is configured by arranging. The cable holder 10-3 is located on the center line C of the board 2.

Here, the distance between the first cable holder group 9 and the second cable holder group 10 was 70 mm. The cable holders 9-1, 9-2, 9-3, 9-4, 9-5, 10-1, 10-2, 10-3, 10-4, 10-5 are mounted on the board. This is a known one having a function capable of holding an optical fiber, and is not specified in the present embodiment.
Next, assembly of the optical board device 1 according to the present embodiment configured as described above will be described.

  First, as shown in FIG. 2, one optical connector 3 and four optical communication circuits 5-1, 5-2, 5-3, 5-4 of the first optical communication circuit component group 5, and a second The four optical communication circuits 6-1, 6-2, 6-3, 6-4 of the optical communication circuit component group 6 are connected to the four optical fibers 7-1, 7-2, 7-3, 7-4 and the four optical fibers 8-1, 8-2, 8-3, 8-4 of the second optical fiber group 8 are connected.

  At this time, the four optical fibers 7-1, 7-2, 7-3, 7-4 of the first optical fiber group 7 and the four optical fibers 8-1, 8-2 of the second optical fiber group 8 are used. , 8-3, 8-4 are the five cable holders 9-1, 9-2, 9-3, 9-4 of the first cable holder group 9 so as to ensure a bending radius of 30 mm. 9-5 and the four cable holders 10-2, 10-3, 10-4, and 10-5 of the second cable holder group 10 are used as the cable holders 9-1, 9-2, and 9 respectively. -3, 9-4, 9-5, 10-2, 10-3, 10-4, 10-5.

  Next, as shown in FIG. 3, the other optical connector 4, the four optical communication circuits 5-5, 5-6, 5-7, 5-8 of the first optical communication circuit component group 5, and the second The four optical communication circuits 6-5, 6-6, 6-7, 6-8 of the optical communication circuit component group 6 of the first optical fiber group 7, and the four optical fibers 7-5, 7-6 of the first optical fiber group 7. , 7-7, 7-8 and the four optical fibers 8-5, 8-6, 8-7, 8-8 of the second optical fiber group 8.

  At this time, the four optical fibers 7-5, 7-6, 7-7, 7-8 of the first optical fiber group 7 and the four optical fibers 8-5, 8-6 of the second optical fiber group 8 are used. , 8-7, 8-8 are the five cable holders 9-1, 9-2, 9-3, 9-4 of the first cable holder group 9 so as to secure a bending radius of 30 mm. 9-5 and the five cable holders 10-1, 10-2, 10-3, 10-4 of the second cable holder group 10 are used as cable holders 9-1, 9-2, 9 respectively. -3, 9-4, 9-5, 10-1, 10-2, 10-3, 10-4.

3, the four optical fibers 7-1, 7-2, 7-3, 7-4 of the first optical fiber group 7 and the four optical fibers of the second optical fiber group 8 shown in FIG. Connections with 8-1, 8-2, 8-3, and 8-4 are omitted.
As described above, the optical board device 1 shown in FIG. 1 can be obtained.
According to the present embodiment, the bent portions 11A and 12A having a certain curvature are formed in the first optical fiber group 7 and the second optical fiber group 8 and assembled to the board 2, so that the conventional board device is used. It is no longer necessary to form a tailwind for processing the extra length of the optical fiber.

The eight optical fibers 7-1, 7-2, 7-3, 7-4, 7-5, 7-6, 7-7, 7-8 of the first optical fiber group 7 and the second optical fiber group Eight optical fibers 8-1, 8-2, 8-3, 8-4, 8-5, 8-6, 8-7, 8-8 are equal in length, so assembly work is easy And a uniform bent portion can be formed.
4 to 10 show an optical board device 1A according to a second embodiment of the present invention (corresponding to claims 3, 4, 7, and 8).

The optical board device 1A according to the present embodiment includes cable holders 9-1, 9-2, 9-3, 9-4, 9-5, 10-1, 10-2, 10-3, 10-4, 10 It differs from the optical board device 1 according to the first embodiment in that −5 is attached to the two cable holder stands 20 and 21.
For example, as shown in FIGS. 4 to 6 and 8, the two cable holder bases 20 and 21 are on line segments D and E parallel to the one end 2 a of the board 2, and other electrical components. Fixing portions 20a, 20b, 21a, and 21b are provided on the ends of the board 2 in the longitudinal direction so as to be fixed on the board 2 that is far away. And the site | part which attaches cable holder 9-1, 9-2, 9-3, 9-4, 9-5, 10-1, 10-2, 10-3, 10-4, 10-5 is board 2 It is higher than the height of the other electrical components above.

  In the present embodiment, the cable holders 9-1, 9-2, 9-3, 9-4, 9-5, 10-1, 10-2, 10-3, 10-4, 10-5 are attached. As shown in FIGS. 7 and 8, the cable holders 9-1, 9-2, 9-3, 9-4, 9-5, and 10-are inserted into a plurality of holes provided in the two cable holder stands 20 and 21. 1, 10-2, 10-3, 10-4, and 10-5 are adopted, but rails are provided on the two cable holder bases 20 and 21, and the cable holders 9-1 and 9-are provided on the rails. 2, 9-3, 9-4, 9-5, 10-1, 10-2, 10-3, 10-4, 10-5, etc. It is good also as a mechanism which can hold | maintain -3, 9-4, 9-5, 10-1, 10-2, 10-3, 10-4, 10-5. The two cable holder bases 20 and 21 shown in FIGS. 7 and 8 are provided with four holes as shown by the wavy lines so that more cable holders can be attached. 10 shows the cable holder 9-1, the remaining cable holders 9-2, 9-3, 9-4, 9-5, 10-1, 10-2, 10-3, 10 are shown. -4 and 10-5 have the same shape.

Also in the optical board device 1A according to the present embodiment, according to the procedure shown in FIGS. 5 and 6, the respective optical connectors 3 and 4, the first optical communication circuit component group 5, and the second optical communication circuit component group 6 are provided. Can be obtained by connecting the first optical fiber group 7 and the second optical fiber group 8.
Also in this embodiment, the same operational effects as the optical board device 1 according to the first embodiment can be obtained.

It is a top view which shows the optical board apparatus 1 which concerns on 1st embodiment of this invention. It is a top view which shows the assembly | attachment state of the one side of the optical board apparatus 1 in FIG. It is a top view which shows the assembly | attachment state of the other side of the optical board apparatus 1 in FIG. It is a top view which shows 1A of optical board apparatuses which concern on 2nd embodiment of this invention. It is a top view which shows the assembly | attachment state of the one side of the optical board apparatus 1A in FIG. It is a top view which shows the assembly | attachment state of the other side of 1 A of optical board apparatuses in FIG. It is a top view of the cable holder stands 20 and 21 used for the optical board apparatus 1A in FIG. It is a side view of the cable holder stands 20 and 21 used for the optical board apparatus 1A in FIG. It is an end view of the cable holder bases 20 and 21 used for the optical board apparatus 1A in FIG. It is a side view of the cable holder used for embodiment of this invention.

Explanation of symbols

DESCRIPTION OF SYMBOLS 1,1A Optical board apparatus 2 Board 3, 4 Optical connector 5 First optical communication circuit component group 6 Second optical communication circuit component group 7 First optical fiber group 8 Second optical fiber group C Center of board 2 Lines 5-1, 5-2, 5-3, 5-4, 5-5, 5-6, 5-7, 5-8, 6-1, 6-2, 6-3, 6-4, 6 -5, 6-6, 6-7, 6-8 Optical communication circuits 7-1, 7-2, 7-3, 7-4, 7-5, 7-6, 7-7, 7-8, 8 -1,8-2,8-3,8-4,8-5,8-6,8-7,8-8 Optical fiber 9 First cable holder group 9-1, 9-2, 9-3 , 9-4, 9-5, 10-1, 10-2, 10-3, 10-4, 10-5 Cable holder 10 Second cable holder group 11A, 12A Bending portion 20, 21 Cable holder base

Claims (8)

A plurality of optical fibers;
With the board,
Two optical connectors mounted on one end of the board and connecting one end side of the plurality of optical fibers ;
A plurality of optical communication circuit components mounted on the board and individually connecting the other end sides of the plurality of optical fibers;
A first cable holder group disposed on a line segment parallel to one end of the board;
A second cable holder group arranged on a line segment different from the line segment and parallel to one end of the board ;
The optical connector and the optical communication circuit component are located symmetrically across the center line of the board,
The plurality of optical fibers are held between the optical connector and the optical communication circuit component by a cable holder belonging to the first cable holder group and a cable holder belonging to the second cable holder group, and An optical board device, wherein a bent portion is formed with a constant diameter between the first and second cable holder groups, and the bent portion is positioned symmetrically with respect to a center line of the board. A plurality of optical fibers;
With the board,
Two optical connectors mounted on one end of the board and connecting one end side of the plurality of optical fibers;
A plurality of optical communication circuit components are mounted on the board at equal intervals in parallel with one end of the board to which the optical connector is attached, and the other ends of the plurality of optical fibers are individually connected. Optical communication circuit parts group,
A second light formed by mounting a plurality of optical communication circuit components at equal intervals on the board in parallel with the first optical communication circuit component group and individually connecting the other end portions of the plurality of optical fibers. A group of communication circuit components ;
A first cable holder group disposed on a line segment parallel to one end of the board;
A second cable holder group arranged on a line segment different from the line segment and parallel to one end of the board ;
The optical connector, the first optical communication circuit component group, and the second optical communication circuit component group are located symmetrically across the center line of the board,
Each of said plurality of optical fibers connected to the optical connector and said first optical communication circuit part group, and each of said plurality of optical fibers connected the optical connectors and the said second optical communication circuit part group Are equal in length and are held between the optical connector and the optical communication circuit component by the cable holder belonging to the first cable holder group and the cable holder belonging to the second cable holder group , An optical board device, wherein a bent portion is formed with a constant diameter between the first and second cable holder groups, and the bent portion is located symmetrically with respect to a center line of the board. A plurality of optical fibers;
With the board,
Two optical connectors mounted on one end of the board and connecting one end side of the plurality of optical fibers;
A plurality of optical communication circuit components mounted on the board and individually connecting the other end sides of the plurality of optical fibers; and
A cable holder base fixed on the board at two locations between the optical connector and the optical communication circuit component;
A plurality of cable holders attached to the cable holder base,
The optical connector and the optical communication circuit component are located symmetrically across the center line of the board,
The plurality of optical fibers are held by a cable holder attached to the cable holder base between the optical connector and the optical communication circuit component, and a bent portion is formed with a constant diameter between the cable holder bases, And the said bending part is located symmetrically on both sides of the centerline of the said board. The optical board apparatus characterized by the above-mentioned. A plurality of optical fibers;
With the board,
Two optical connectors mounted on one end of the board and connecting one end side of the plurality of optical fibers;
A plurality of optical communication circuit components are mounted on the board at equal intervals in parallel with one end of the board to which the optical connector is attached, and the other ends of the plurality of optical fibers are individually connected. Optical communication circuit parts group,
A second light formed by mounting a plurality of optical communication circuit components at equal intervals on the board in parallel with the first optical communication circuit component group and individually connecting the other end portions of the plurality of optical fibers. A group of communication circuit components;
A cable holder base fixed on the board at two locations between the optical connector and the optical communication circuit component;
A plurality of cable holders attached to the cable holder base,
The optical connector, the first optical communication circuit component group, and the second optical communication circuit component group are located symmetrically across the center line of the board,
Each of said plurality of optical fibers connected to the optical connector and said first optical communication circuit part group, and each of said plurality of optical fibers connected the optical connectors and the said second optical communication circuit part group Are held by cable holders attached to the cable holder base at two locations between the optical connector and the optical communication circuit component, and bent portions having a constant diameter between the cable holder bases. And the bent portion is located symmetrically with respect to the center line of the board. The optical board device according to any one of claims 1 to 4,
The bent portion has a radius of 30 mmφ. Claim 1 or in the optical board apparatus according to claim 2,
The optical board device characterized in that an interval between the first and second cable holder groups is 70 mm. In the optical board device according to claim 3 or 4,
The optical board device, wherein the cable holder base is provided with holes for attaching the cable holder at equal intervals. Claim 3 or in the optical board apparatus according to claim 4,
The said cable holder stand is provided with the space | interval of 70 mm. The optical board apparatus characterized by the above-mentioned.

Images