JP3300879B2 - Unit mounting structure for monitoring supply frame - Google Patents

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a power supply monitoring system, and more particularly to a power supply system for supplying power to in-house equipment such as an automatic connection exchange in telecommunications. The present invention relates to a mounting structure of a power distribution unit.

[0002]

2. Description of the Related Art As shown in FIG. 8, for example, this kind of monitoring and supply rack is installed between a power rack on the power side and an exchange rack on the exchange side. As shown in the figure, a DC power supply (-48 V) is input to the monitoring and supply rack from the power rack, and the power is distributed and supplied to each rack of the exchange rack.

FIG. 9 and FIG. 10 show a configuration of a monitoring and supplying rack conventionally used. FIG. 9 is a perspective view of the monitoring and supply frame as viewed from the front, and FIG. 10 is a perspective view of the monitoring and supply frame as viewed from the back. This monitoring and supply frame mounts a plurality of power distribution units 110 (hereinafter referred to as IBS units) in a cabinet 100 having a substantially vertically elongated box shape, and relays, distributes, and / or distributes a predetermined power supply through each IBS unit 110. Or, monitoring is performed.

A plurality of fuse boxes 111 each containing a fuse are arranged in a row on the front surface of the IBS unit 110 (FIG. 9), and a secondary terminal 112 connected to each fuse is arranged on the back surface. (FIG. 10). Each IB
The S unit 110 includes a unit mounting support 120 from both sides.
Mounted and supported by. The unit mounting column 120 is formed by bending a panel material, and is arranged in the vertical direction of the cabinet 100 as shown in the figure.

[0005] Inside the unit mounting columns 120 on both sides, connecting conductive bands (+) corresponding to each IBS unit 110 are provided.
130a and a connection conductive band (-) 130b are arranged respectively. These connection conductive bands 130 a and 130 b are connected to each other via a connection plate 131. Also,
As shown in FIG. 11 and FIG.
Is connected to a secondary terminal plate (+) 113, and the connection conductive band 130b is connected to a secondary terminal plate (-) 114. An output cable (not shown) is connected to each of the secondary terminal plate 113 and the secondary terminal plate 114, and a pair of output cables (+) and (-) are connected to each of the frames of the exchange device frame. -48V power can be distributed and supplied.

Here, FIG.
0 shows a mounting support structure for the unit mounting column 120 of FIG. As shown in the figure, an end of the panel material of the IBS unit 110 is fastened to a mounting portion on the front side of the unit mounting column 120 by a fixing screw 121. As a result, as shown in FIG. 9, the plurality of IBS units 110 are mounted on the upper and lower tiers via the unit mounting columns 120 such that the front surfaces thereof are flush with each other.

[0007]

However, in the mounting structure of the IBS unit 110 in the conventional monitoring and supply frame, each IBS unit 110 is connected to the unit mounting column 120.
In the case where the IBS unit 110 is mounted and fixed as described above, the IBS unit 110 is supported on the mounting portion of the unit mounting column 120 while being properly aligned and fastened by the fixing screw 121, which is a troublesome and time-consuming operation. Was.

In addition, connecting conductive bands 130a and 130b are connected via a connecting plate 131 inside the cabinet 100,
Each IBS unit 110 from the back of the cabinet 100
Each time, the secondary terminal plate 113 and the secondary terminal plate 114 are fixed. In particular, when connecting the connecting conductive band 130a (130b) to the existing connecting conductive band 130a (130b) via the connecting plate 131, if these are bent, etc., this will cause a poor connection. As described above, in the conventional monitoring supply frame, the IBS
In order to mount the unit 110, not only an extremely large number of steps are required, but also there is a problem in terms of safety and the like.

SUMMARY OF THE INVENTION In view of the foregoing, it is an object of the present invention to provide a unit mounting structure in a monitoring and feeding frame that can easily and surely mount an IBS unit and that can effectively improve safety. I do.

[0010]

According to a first aspect of the present invention, there is provided a unit mounting structure in a monitoring and supply rack, wherein a plurality of power distribution units are mounted in a cabinet and a predetermined power supply is relayed. In a monitoring and supply rack configured to perform distribution and / or monitoring, a pair of unit mounting columns suspended along both sides of the cabinet are provided, and the unit mounting columns are arranged in a stepwise manner at predetermined intervals vertically. And a plurality of rails, and each power distribution unit is supported on each rail.

Further, the unit mounting structure in the monitoring and supply frame according to the invention of claim 2 is characterized in that the rails of each stage are configured to slidably support the bottom of the power distribution unit. Features.

According to a third aspect of the present invention, in the unit mounting structure of the monitoring and supply frame, the unit mounting column has a unit fastening portion at a position corresponding to the front end of the rail of each step. The power distribution units are connected to each other.

According to a fourth aspect of the present invention, there is provided a unit mounting structure in the monitoring and supply frame, wherein the power distribution units mounted via the unit mounting columns are mutually connected via a connection plate on the front side thereof. It is characterized in that it is combined.

According to the present invention, a plurality of IBS units to be mounted in the cabinet are mounted stepwise via unit mounting columns. In this case, by providing a plurality of rails on the unit mounting column, the power distribution unit can be easily mounted at a predetermined position on the unit mounting column while sliding the power distribution unit. In this way, when the IBS unit is mounted on the cabinet, the work can be performed by one person. In this case, the IBS unit is mounted along the rail.
By sliding the unit, extremely high security can be secured.

[0015]

BRIEF DESCRIPTION OF THE DRAWINGS FIG. 1 is a perspective view showing a preferred embodiment of a monitoring and supply frame according to the present invention, wherein the same reference numerals are used for members which are substantially the same as or correspond to those of the prior art. I do.

FIG. 1 and FIG. 2 show an example of the overall configuration of a monitoring and supply rack according to this embodiment. FIG. 1 is a perspective view of the monitoring and supply frame as viewed from the front, and FIG. 2 is a perspective view as viewed from the back. The monitoring supply frame in this embodiment is a cabinet 100 having a generally vertically long box shape.
A plurality of IBS units 10 are mounted therein, and relay, distribution and / or monitoring of a predetermined power supply are performed via each IBS unit 10, and its basic functions are substantially the same as those of the conventional example. The same is true.

A plurality of fuse boxes 11 each containing a fuse are arranged in a row on the front surface of each IBS unit 10 (according to this embodiment, they are arranged in a staggered pattern as shown in FIG. 1). Further, as best shown in FIG.
The back of the IBS unit 10 is connected to each fuse 2
The secondary terminal 12 is arranged. Each IBS unit 10 is mounted and supported by unit mounting columns 20 from both sides.

The unit mounting column 20 is formed by bending a panel material, and is arranged in the vertical direction of the cabinet 100 as shown in the figure. Here, according to the present embodiment,
The IBS unit 10 is mounted in a step-like manner via the unit mounting column 20. That is, the unit mounting column 20 has a plurality of rails 21 arranged in a stepwise manner at predetermined intervals in the vertical direction. A pair of rails 21 are provided at the same height inside the unit mounting columns 20 on both sides, and these rails 21 support the IBS unit 10 from both sides. The specific structure of the rail 21 will be described later.

The IBS unit 10 can be pushed in along the rail 21 from the front side of the cabinet 100. In this case, each of the IBS units 10 can be mounted while sliding along the rails 21. However, each rail 21 is provided with a substantial stopper structure so that the IBS units 10 are mounted in a stepwise manner. ing. That is, the IBS unit 10 is positioned at the position where it comes into contact with the stopper of the rail 21, whereby the IBS unit 10 is arranged stepwise as shown in FIG. 1 or FIG.

In this embodiment, an input cable (not shown) from the power rack is connected, and DC power is input from the power rack. As shown in FIG. 3, a large number of output cables 200 are connected to secondary terminal plates 13 and 14 of each IBS unit 10, which will be described later. A predetermined power supply.

The IBS units 10 are electrically connected to each other on the front side. That is, each IBS unit 10
Is a connecting conductive band (+) 30a and a connecting conductive band (-) 30b fixed so as to be partially exposed on the front surface as shown in FIG.
The connection conduction bands 30a and the connection conduction bands 30b of the IBS unit 10 are connected to each other via the connection plate 31. Thus, each IBS unit 10
It has a pair of connection conductive bands 30a and 30b having different polarities,
The connection conductive band 30b of one polarity (-) is the IBS unit 1
0 It is arranged at the center of the front and the other polarity (+)
Is disposed at the end of the front surface of the IBS unit 10.

The connecting plate 31 is firmly fixed to each connecting conductive band 30a or 30b in the upper and lower IBS units 10 by bolts 32. An insulating cover 33 is attached to the connection plate 31 so that the IBS unit 10
In particular, a short circuit accident around the front surface is surely prevented.

The connection conductive bands 30a and 30b are connected to each other via the connection plate 31 as described above. As shown in FIG. 5, a secondary terminal plate (+) 13 is connected to the connection conductive band 30a, and a secondary terminal plate (-) 1 is connected to the connection conductive band 30b.
4 are linked. An output cable 200 is connected to each of the secondary terminal plate 13 and the secondary terminal plate 14, and a pair of (+) and (−) output cables 200 are connected to each of the frames of the exchange device frame. Distributes and supplies 48V power.

FIGS. 6 and 7 show examples of the configuration around the rail 21 provided on the unit mounting column 20. FIG. 6 and 7 are main part perspective views of the rail 21 as viewed from the front. Each of the rails 21 is formed by bending a panel material or a plate material into a key shape, and is fixed to the inside of the unit mounting column 20 by a fixing screw 22. In this case, as is clear from FIG.
a is disposed so as to protrude inward from the unit mounting support 21. A guide 23 is provided along the slide portion 21a, and the guide 23 regulates the width direction of the IBS unit 10.

Each unit mounting column 20 has a unit fastening portion 20 at a position corresponding to the front end of the rail 21 of each step.
a. The unit fastening portion 20a is formed by bending the front portion of the unit mounting column 20 for each step.
Each IBS unit 10 is fastened by a fixing screw 24 at each unit fastening portion 20a. This unit fastening part 2
Oa also functions as a stopper for regulating the position of the IBS unit 10 and arranging it in a stepwise manner.

In the monitoring supply frame according to this embodiment,
As shown in FIGS. 1 and 2, the plurality of IBS units 10 are mounted in a step-like manner via a unit mounting column 20.
When mounting the BS unit 10 in the cabinet 100,
The unit can be mounted by being pushed in while sliding on the rail 21 of the unit mounting column 20.

In this case, each of the IBS units 10 is correctly positioned when the end of the front panel material abuts against the unit fastening portion 20a of the unit mounting column 20, whereby the plurality of IBS units 10 are arranged in a stepwise manner.・ Supported. In this mounting work, the rail 21 can be used to perform the operation easily and accurately by one person. In this case, the IBS unit 1
By sliding 0, extremely high security can be secured. After this mounting, each IBS unit 10 is fastened to the unit fastening portion 20a of the unit mounting column 20 by a fixing screw 24.

As described above, the IBS unit 10 mounted on the upper and lower tiers in a stepwise manner connects the connection conductive bands 30a and the connection conductive bands 30b provided around the front surface thereof via the connection plate 31. Thus, they are electrically connected to each other. In this connection operation, since each of the IBS units 10 is already arranged and supported in unit units by the unit mounting columns 20, it is extremely easy to position the IBS units 10 with each other. Then, by simply connecting the connection plate 31, the connection can be easily, reliably, and safely performed on the front surface of the cabinet 100. Therefore, the workability is remarkably improved.

As described above, the I electrically connected to each other
The monitoring and supply frame having the BS unit 10 is connected to the power connection terminal at the power receiving terminal portion by an input cable connected to the power connection frame 30a,
DC power is input to 30b, and furthermore, connection conduction bands 30a, 3
0b is supplied for each IBS unit 10.

In the above case, by mounting the plurality of IBS units 10 in a stepwise manner, the secondary terminal plates 13 and 14 on the back surface of the IBS unit 10 are sequentially displaced as apparent from FIG. Is done. In this example, the secondary terminal plates 13 and 14 are shifted toward the inner side of the cabinet 100 as the upper IBS unit 10 moves. Thereby, each IB
Secondary terminal plate 13 and secondary terminal plate 1 of S unit 10
4, the output cable 200 can be drawn straight out and connected.

[0031]

As described above, according to the present invention, a rail can be installed on a unit mounting column in this kind of monitoring supply frame, and each IBS unit can be easily mounted simply by sliding. By improving the workability in this way, the IBS unit can be easily and reliably mounted by one person, and extremely safe work can be performed without a unit fall accident or the like. By simplifying the mounting structure of the IBS unit, it is possible to effectively reduce the man-hour for mounting work, and to achieve high safety and easy work, thereby realizing cost reduction substantially. It has such advantages as possible.

[Brief description of the drawings]

FIG. 1 is a perspective view of an embodiment of a monitoring and supply frame according to the present invention as viewed from the front.

FIG. 2 is a perspective view of the embodiment of the monitoring and supply frame of the present invention, as viewed from the rear.

FIGS. 3A and 3B are a rear view and a side view showing a connection state of an output cable in the monitoring and supply frame according to the embodiment of the present invention.

FIG. 4 is a front perspective view of the IBS unit according to the embodiment of the monitoring and supply frame of the present invention.

FIG. 5 is a rear perspective view of each IBS unit according to the embodiment of the monitoring supply frame of the present invention.

FIG. 6 is a front perspective view showing a configuration example of a main part around a rail provided on a unit mounting column according to the embodiment of the monitoring and supply frame of the present invention.

FIG. 7 is a front perspective view showing a configuration example of a main part around a rail provided on a unit mounting column according to the embodiment of the monitoring and supply frame of the present invention.

FIG. 8 is a diagram showing an example of the arrangement of a monitoring supply rack installed between the power side and the exchange side.

FIG. 9 is a front perspective view of a conventional monitoring supply rack.

FIG. 10 is a rear perspective view of a conventional monitoring supply rack.

FIG. 11 is a front perspective view of an IBS unit according to a conventional monitoring supply rack.

FIG. 12 is a rear perspective view of an IBS unit according to a conventional monitoring supply rack.

FIG. 13 is a front partial perspective view showing a mounting support structure for a unit mounting column of an IBS unit according to a conventional monitoring supply rack.

[Explanation of symbols]

 DESCRIPTION OF SYMBOLS 10 IBS unit 11 Fuse box 12 Secondary terminal 13, 14 Secondary terminal plate 20 Unit mounting support 21 Rail 22, 24 Fixing screw 23 Guide 30a, 30b Connection conduction band 31 Connection plate 100 Cabinet 200 Output cable

──────────────────────────────────────────────────続 き Continuing on the front page (72) Inventor Tohru Matsuno 3-19-2 Nishi-Shinjuku, Shinjuku-ku, Tokyo Nippon Telegraph and Telephone Corporation (72) Inventor Takanori Ukon 3--19, Nishishinjuku, Shinjuku-ku, Tokyo No. 2 Inside Nippon Telegraph and Telephone Corporation (56) References JP-A-5-7376 (JP, A) Japanese Utility Model Application No. 58-28482 (JP, U) Japanese Utility Model Application No. 56-79081 (JP, U) (58) Field surveyed (Int.Cl. ⁷ , DB name) H04Q 1/00-1/16

Claims (4)

(57) [Claims] 1. A monitoring and supply rack in which a plurality of power distribution units are mounted in a cabinet to relay, distribute and / or monitor a predetermined power supply, wherein a pair of units suspended along both sides of the cabinet. A monitoring and supply system, comprising: a mounting column, wherein the unit mounting column has a plurality of rails arranged in a stepwise manner at predetermined intervals above and below, and supports each power distribution unit on each rail. Unit mounting structure on the rack. 2. The unit mounting structure according to claim 1, wherein the rails of each stage are configured to slidably support the bottom of the power distribution unit. 3. The unit mounting column has a unit fastening portion at a position corresponding to a front end of a rail of each step, and each power distribution unit is coupled at the unit fastening portion. 3. A unit mounting structure in the monitoring supply frame according to 4. 4. The power distribution unit mounted via the unit mounting column is connected to each other via a connection plate on the front side thereof. A unit mounting structure in the monitoring supply frame described in Crab.