JPH06252569A - Cable connecting structure of electronic apparatus - Google Patents

Abstract

PURPOSE:To facilitate maintenance work and to decrease the breakdowns of cables in an electronic apparatus, wherein various kinds of cables including optical cables are connected to the connectors of a shield cover, which is provided at the rear surface of a shelf containing a plurality of printed boards. CONSTITUTION:A plurality of optical adapters 25 comprising a pair of connectors for linking optical cables are attached to one surface of a plate member 22. A pair of first units 23, which are formed by arranging a plurality of optical-cable supports 20 for holding the optical cables are uprightly arranged at a shield cover 12 in the facing state. Mode converting cables 26 are held with the optical-cable supports 20. Each connector 27 at one end is coupled to each connector 16. The connector 27 at the other end is coupled to one connector of each optical adapter 25. The optical cables 14 from the outside are coupled to the other connectors of the optical adapters 25. Thus the cable connecting structure is formed.

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a cable connection structure for electronic equipment such as communication devices. 2. Description of the Related Art In recent years, in electronic devices such as communication devices, in order to cope with speeding up of information processing and enormous amount of data, in addition to ordinary electric wires and cables, optical cables that can transmit a large amount of data at a high transmission speed are used. It started to come.

However, unlike other electric cables, optical cables are weak in strength and expensive. Therefore, it is necessary to handle them carefully during maintenance. Especially, a plurality of optical cables and a plurality of other optical cables are required. When the electric cables (wire cables for communication, electric cables for connecting to other shelves, etc.) are connected to the back of the shelf with high density and the wiring is complicated, interference from other cables, etc. Failures such as damage to the optical cable will occur.

Therefore, there is a demand for a cable connection structure capable of effectively preventing these obstacles and facilitating maintenance work.

[0004]

2. Description of the Related Art FIG. 4 is a rear perspective view showing a conventional structure. In the figure, reference numeral 1 denotes a shelf, which has an opening in its front surface, and has a plurality of guides for holding a printed board so that the printed board can be inserted and removed in the upper and lower surfaces inside. A backboard is arranged on the back surface of the shelf 1, and the plurality of printed boards are mounted by being inserted from the opening on the front surface of the shelf 1 along the guides and being plug-in connected to the backboard. The electronic device is configured by accommodating a plurality of shelves 1 having a plurality of printed boards mounted vertically in a cabinet.

A shield cover 2 is fixed to the backside of the backboard of the shelf 1 with screws, and the shield cover 2 is provided with a wire cable 3 as a data transmission path or for connection with another shelf. A plurality of connectors 6 for fitting and connecting the connectors 5 of the optical cable 4 are provided.

Reference numeral 7 is a support plate, and this support plate 7
Is formed in a generally U shape, and both ends thereof are fixed by screws to a frame (not shown) of the cabinet. A support bar 7a is installed between the legs of the support plate 7, and a plurality of optical cable supports 8 for sandwiching and holding the optical cable 4 are arranged outside the bottom of the support plate 7.

An optical cable holder 9 for processing the excess length of the optical cable is fixed by screws near the side of the shelf 1 of a frame (not shown) of the cabinet. On the inner surface (surface on the shelf 1 side) of the optical cable holder 9, a plurality of optical cable supports 8 for sandwiching and holding the optical cable 4 are arranged in a circular shape.

However, the optical cable 4 is retained by the optical cable support 8 of the optical cable holder 9 and subjected to extra length treatment in the form of being wound in a circle, and is retained / wired along the optical cable support 8 of the support plate 7 and the shield cover. Two
The connector 5 at the tip is fitted and connected to the connector 6 for the optical cable.

On the other hand, the electric wire cable 3 has a support bar 7
The part between a and the bottom of the support plate 7 is passed through, and the connector 5 at the tip thereof is fitted and connected to the electric wire cable connector of the shield cover 2. The electric wire cable 3 is properly bound and held on the support bar 7a by a tie wrap (a binding belt) or the like.

[0010]

However, according to the conventional structure, the electric cable and the optical cable are densely arranged and the optical cable and the electric cable interfere with each other during maintenance, resulting in poor workability and the optical cable having the structure. There is a problem that the optical cable is often damaged due to its weak upper strength.

Recently, the types of optical cables have been diversified. For example, the specifications of the multi-mode type and the single-mode type are different, and when the mode on the shruff side and the mode on the optical cable side are different. ,
It is necessary to perform mode conversion using a conversion cable (mode scrambler), but in this case, if the conversion cable is treated with excess length with the optical cable holder, it will be difficult to separate the optical cable and conversion cable, and maintenance work will be performed. There was a problem that the property was very poor and the risk of breakage was extremely high.

The present invention has been made in view of the above circumstances, and an object thereof is to facilitate maintenance work and reduce cable damage in electronic equipment to which various cables including optical cables are connected. Is to provide a cable connection structure that can be.

[0013]

In order to solve the above-mentioned problems, an optical cable and an electric wire from the outside of the shelf are attached to a connector arranged on a shield cover provided on the back surface of a shelf accommodating a plurality of printed boards. A cable connection structure of an electronic device for connecting a plurality of cables including a cable is configured as follows.

That is, a plurality of optical adapters each consisting of a pair of optical cable connecting connectors are attached to one surface of the plate member, and a pair of first units are provided which are provided with a plurality of optical cable supports for holding the optical cables. The plate members are arranged upright on the shield cover in a state where one surfaces of the plate members face each other.

Then, an optical cable (conversion cable) having connectors attached to both ends thereof is fitted to the connector of the shield cover so that the cable portion is held by the connector of the shield cover, and the connector of the other end is attached. It is a structure in which one connector of the optical adapter is fitted and provided, and an optical cable from the outside of the shelf is fitted to the other connector of the optical adapter.

In the above structure, the upper and lower ends of the plate member of the first unit may be bent so as to face each other. In addition to the above structure, a second unit having a plurality of connectors into which the connectors of the electric wire cables are fitted is provided outside the bottom of a plate member formed in a substantially U shape. In addition to the electric wire cable in which the tip ends of both legs of the member are detachably attached to the vicinity of the connector to which the electric wire cable of the shield cover is fitted, and the connector fitted to the connector of the shield cover is attached to one end thereof. The end may be configured by connecting to the connector of the second unit from the inside of the bottom of the second unit.

Further, in addition to the above structure, an optical cable holder for treating the excess length of the optical cable, which is provided with an optical cable support for holding the optical cable, is provided near the side portion of the shelf, and the lower edge portion of the shield cover is provided. An optical cable support for holding a plurality of optical cables is arranged in the vicinity, and the optical cable subjected to the extra length treatment is guided to the vicinity of the first unit via the optical cable support near the lower edge of the shield cover, and the optical cable Can be configured to mate with the other connector of the adapter.

[0018]

According to the structure of the present invention, since the optical cable from the outside of the shelf is connected to the connector of the optical adapter of the first unit, it is possible to connect the electric cable to the connector position on the shield cover. The position of the optical adapter for connecting the optical cable from the outside of the shelf can be set to an isolated position, so that the attachment / detachment work of each cable can be performed without the electric cable or the optical cable interfering with each other. In addition, the maintainability is improved and the damage to the optical cable is reduced.

When connecting an optical cable from outside the shelf via the conversion cable, the conversion cable may be held on the optical cable support of the first unit.
The optical cable and the conversion cable from the outside of the shelf are separated only by pulling out the connector from the adapter, so that the maintenance work is easy and the risk of damage to the optical cable is small.

By bending the top and bottom of the plate member of the first unit inward, interference with cables of other shelves located above the shelf can be reduced. Further, when it is necessary to convert the connector type of the electric cable, this can be dealt with by providing the second conversion unit or the like.

By arranging the optical cable support along the lower edge portion of the shield cover, the optical cable which has been subjected to the extra length treatment by the optical cable holder is not interfered with other cables, and is near the optical adapter of the first unit. In addition, the maintainability is improved, and the damage to the optical cable can be reduced.

[0022]

Embodiments of the present invention will be described below with reference to the drawings. 1 is a partially exploded rear perspective view showing an overall configuration of an embodiment of the present invention, FIG. 2 is a side view of the embodiment of the present invention, and FIG. 3 is an enlarged view of a main part of the embodiment of the present invention. .

In the figure, reference numeral 11 denotes a shelf. The shelf 11 has an opening at its front surface, and a plurality of guides for holding a printed board 11a on which electronic components are mounted so that the printed board 11a can be inserted and removed. I have it. Then, a backboard is arranged on the back surface of the shelf 11, and the plurality of printed boards 11 a are mounted by being inserted from the opening on the front surface of the shelf 11 along the guides and being plug-in connected to the backboard.

For example, as shown in FIG. 2, the electronic apparatus is configured such that a plurality of shelves 11 on which a plurality of printed boards 11a are mounted are vertically stacked and housed in a cabinet (not shown). Composed.

A shield cover 12 is fixed to the back surface of the backboard of the shelf 11 with screws, and the shield cover 12 has a wire cable 1 as a data transmission path or for connection with another shelf.
3 and a plurality of connectors 16 for fitting and connecting the connectors 15 of the optical cable 14 are provided.

Reference numeral 17 denotes a pair of support plates. The support plates 17 are arranged in a projecting state by screwing and fixing one end of each of the support plates 17 to the frame 18 of the cabinet near both sides of the shelf 11. . A support bar 17 a is provided between the pair of support plates 17 in the vicinity of the tips of the pair of support plates 17.

An optical cable holder 19 for processing the extra length of the optical cable 14 is screwed and fixed to the frame 18 of the cabinet near the side of the shelf 11.
On the inner surface of the optical cable holder 19 (the surface on the side of the shelf 11), a plurality of optical cable supports 20 for holding the optical cable 14 in a detachable manner are arranged in a circular shape and used for fixing the optical cable 14. The fixing member 21 is fixed by screws.

Reference numeral 22 is a plate member which constitutes a pair of first units 23. The plate member 22 is formed into a substantially U-shape by bending the upper and lower ends thereof inward, and is bent outward. Attachment part is shield cover 12
Since it is detachably attached to the shield cover 12 with respect to the shield cover 12, the shield cover 12 is arranged in a protruding state.

As best shown in FIG. 3, an L-shaped adapter holding member 24 is fixed to the inner surface of the plate member 22, and the adapter holding member 24 has a connector for the optical cable 14 or the like. Optical adapters 2 to which the
It is fixed so that 5 penetrates.

On the inner surface of the plate member 22, a plurality of optical cable supports 20 for holding the optical cables in a detachable manner by sandwiching them are arranged. Reference numeral 26 is a conversion cable as a mode scrambler (converts single mode into multimode or multimode into single mode) of the optical cable. The conversion cable 26 has connectors 27 at both ends thereof, and one connector has a shield cover. Twelve connectors 16 and the other connector are fitted and connected to one connector of the optical adapter 25, and an intermediate cable portion is retained by the optical cable support 20 on the inner surface of the optical adapter 25 for extra length treatment.

When the mode of the optical cable from the outside of the shelf and the mode of the shelf match, the conversion cable 26 is replaced by an optical cable merely for communication.

In the vicinity of the lower edge of the shield cover 12,
A plurality of optical cable supports 20 that hold the optical cables in a detachable manner are provided. 28a
Is a plate member that constitutes the second conversion unit 28, and the plate member 28a is formed in a substantially U-shape, and a plurality of connectors for connecting electric cables are arranged outside the bottom of the plate member 28a. The attachment portion at the tip is detachably fixed to the shield cover 12 with a screw.

The plate member 28a is used for the shield cover 12
16 into which the electric wire cable arranged in
, A connector at the bottom of the plate member 28a is provided correspondingly. In FIG. 1, it is provided in a portion between the pair of first units 23.

One end of the connection cable is connected to the connector of the plate member 28a from the inner surface side, and the connector is attached to the other end of the connection cable, and the connector is connected to the connector 16 for the electric wire cable of the shield cover 12. Mating /
Connected.

However, the optical cable 1 from the outside of the shelf
4 is fixed to the optical cable holder 19 by the fixing member 21, and is also retained by the optical cable support 20 and is subjected to extra length treatment in a form of being wound in a circle, and along the optical cable support 20 near the lower edge of the shield cover 12. Connector 1 at the end of the optical cable 14
5 is guided to the vicinity of the first unit 23 and fitted and connected to the other connector of the optical adapter 25 to which the conversion cable 26 is not fitted.

On the other hand, the electric wire cable 1 from the outside of the shelf
3 is passed outside the support bar 17a,
The connector 16 for the electric wire cable of the shield cover 12 or the connector of the tip of the connector 1 of the second unit 28
5 is fitted and connected. The electric wire cable 13 is properly bound and held on the support bar 17a by a tie wrap (belt for binding) 29 or the like.

Incidentally, as shown in FIG. 2, it is desirable that the position of the support bar 17a is set so as to be located outside the tip of the first unit. According to the structure of the embodiment of the present invention, the conversion cable 26 is held on the optical cable support 20 of the first unit 23, and the optical cable 14 from outside the shelf is fitted and connected via the optical adapter 25. 26 and the optical cable 14 are separated only by removing the connector from the optical adapter 25, the work is easy, and the risk of damage to the optical cable is small.

When performing this operation, the optical adapter 25 is provided on the inner surface of the first unit 23,
Without any interference with the electric wire cable 13 connected to the connector 16 arranged outside the first unit 23,
The connector 15 of the optical cable 14 can be attached and detached.

Further, since the conversion cable 26 is held on the inner surface of the first unit 23, they interfere with the attachment / detachment work of the electric cable 13 connected to the connector 16 arranged outside the first unit 23. I will never receive it.

Then, by the optical cable support 20 provided along the vicinity of the lower edge of the shield cover 12,
Since the optical cable 14 is guided near the optical adapter 25 of the first unit 23, the optical cable 14 is less likely to interfere when the electric wire cable 13 is attached or detached.

Further, since the electric wire cable 13 connected to the connector 16 arranged between the pair of first units 23 is connected via the second unit 28, the optical cable 14 and the conversion cable 26 of the first unit 23 are connected. The connector 15 of the electric wire cable 13 can be attached and detached without contacting the electric cable 13 and the like, and it is possible to easily cope with the case where the conversion of the connector type of the electric wire cable 13 is required.

Further, the upper and lower sides of the plate member 22 of the first unit 23 are bent inward, and the support bar 1
Since 7a is arranged outside the tip of the first unit 23, as is apparent from FIG. 2, the electric wire cables 13 of other shelves 11 located on the shelves 11 are less likely to interfere with each other.

[0043]

Since the present invention is configured as described above in detail, it is possible to facilitate maintenance work and reduce cable damage in electronic equipment to which various cables including optical cables are connected. .

[Brief description of drawings]

FIG. 1 is a rear perspective view showing the overall configuration of an embodiment of the present invention.

FIG. 2 is a side view showing the overall configuration of the embodiment of the present invention.

FIG. 3 is a perspective view showing a configuration of a main part of an embodiment of the present invention.

FIG. 4 is a rear perspective view showing a conventional technique.

[Explanation of symbols]

 11 Shelf 12 Shield Cover 13 Electric Cable 14 Optical Cable 17 Support Plate 17a Support Bar 18 Cabinet Frame 19 Optical Cable Holder 20 Optical Cable Support 23 1st Unit 25 Optical Adapter 26 Conversion Cable 28 2nd Unit

Claims (4)

[Claims] 1. A connector (16) arranged on a shield cover (12) provided on the back surface of a shelf (11) accommodating a plurality of printed boards (11a), from the outside of the shelf (11). In a cable connection structure of an electronic device for connecting a plurality of cables including an optical cable (14) and an electric cable (13), a plurality of optical cables composed of a pair of connectors for connecting optical cables is provided on one surface of a plate member (22). Attaches the adapter (25) and multiple optical cable supports (20) for holding optical cables
A pair of first units (23), which are arranged in the plate member (2
2) The optical cable (2) is installed upright on the shield cover (12) with one surface facing each other, and connectors (27) are attached to both ends
6) is held by the optical cable support (20), and the connector (27) at one end of the optical cable (26) is connected to the shield cover (1
2) is fitted to the connector (16), the other end connector (27) is fitted to one connector of the optical adapter (25), and the optical cable (14) from the outside is connected to the optical adapter (25). A cable connection structure for an electronic device, characterized in that the connector is fitted to the other connector of the. 2. The electronic device cable connection structure according to claim 1, wherein the upper and lower ends of the plate member (22) of the first unit (23) are bent to opposite sides, respectively. Device cable connection structure. 3. The cable connection structure for an electronic device according to claim 1, wherein a connector (15) of the electric wire cable (13) is provided outside a bottom portion of the plate member (28a) formed in a substantially U shape. A second unit (28) having a plurality of connectors to be fitted therein, and an electric wire cable (13) of the shield cover (12) at the ends of both legs thereof.
Is detachably attached near the connector (16) to be fitted, and the other end of the connection cable in which the connector fitted to the connector (16) of the shield cover (12) is attached to one end thereof, Connect the connector of the second unit (28) to the second unit (2
A cable connection structure for electronic devices, which is connected from the inside of the bottom of 8). 4. The cable connection structure for an electronic device according to claim 1, further comprising: an optical cable holder (19) for treating an extra length of the optical cable, wherein the optical cable support (20) for holding the optical cable is provided.
Provided in the vicinity of the side of the shelf (11), a plurality of optical cable supports (20) for holding the optical cables are arranged in the vicinity of the lower edge of the shield cover (12), and the excess-length treated optical cable (14) is provided. ) Is guided to the vicinity of the first unit (23) through the optical cable support (20) near the lower edge of the shield cover (12), and the connector (15) of the optical cable (14) is connected to the optical adapter. A cable connection structure for an electronic device, characterized in that the connector is fitted in the other connector of (25).