JPH10308957A - Power supply structure in monitoring supply frame - Google Patents

Abstract

(57) [Summary] [PROBLEMS] To provide a power supply structure in a monitoring supply frame that can reliably prevent a short circuit accident and the like, improve safety, and supply a stable and appropriate power supply. SOLUTION: A plurality of power distribution units 10 are mounted in a cabinet 100, and relay, distribution and / or monitoring of a predetermined power supply are performed. A pair of unit mounting posts 20 are provided along both sides of the cabinet 100, and the power distribution units 10 mounted via the unit mounting posts 20 are electrically connected to each other on the front side. The power distribution unit 10 has a connection conductive band 30a fixed so that a part thereof is exposed on the front surface thereof.
30b, and the connection conduction band 30a of each power distribution unit 10;
30b are connected to each other via a connection plate 31. An insulating cover 33 is attached to the connection plate 31.

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. It is about structure.

[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. The connection conductive bands 130 a and 130 b are connected to each other via a connection plate 131. As shown in FIGS. 11 and 12, a secondary terminal plate (+) 113 is coupled to the connection conductive band 130a, and the connection conductive band 13
A secondary terminal plate (-) 114 is connected to 0b. 2
An output cable 200 is connected to each of the secondary terminal plate 113 and the secondary terminal plate 114 as shown in FIG.
A power supply of -48 V can be distributed and supplied to each of the frames of the exchange device frame by a pair of output cables 200 of (+) and (-).

FIGS. 14 and 15 show the area around the power receiving terminal of the monitoring and supply frame. FIG. 14 is a perspective view of the power receiving terminal portion as viewed from the front, and FIG. 15 is a perspective view of the power receiving terminal portion as viewed from the back. Connecting bars 140a, 140 are provided at the lower connection conductors 130a, 130b, respectively.
As b is connected, the connection bars 140a and 140b are separated from each other by the partition plate 141 and the insulating plate 142. In addition, each connection bar 140a, 140b has
The input cable 300 from the power rack is connected, and DC power is input from the power rack.

In the conventional monitoring and supply frame, as described above, the plurality of IBS units 110 are
Through 0, each is mounted in multiple stages up and down in such a way that each front surface is flush. In particular, when supplying power to each IBS unit 110 from the power rack side, first, the input cable 300
Through the connection bars 140a, 140b from the connection conduction band 1
DC power is input to 30a and 130b, and further supplied to each IBS unit 110 from the connection conductors 130a and 130b.

[0008]

However, in the conventional power supply structure of the monitoring supply frame, the cabinet 100
Connection bands 130a, 1 via connection plates 131 on both inner sides of
30b and connect each IB from the back of the cabinet 100
The secondary terminal plate 113 and the secondary terminal plate 114 are fixed for each S unit 110. In particular, the existing connection conductive band 130a
(130b) to the connecting conductive band 130a via the connecting plate 131
At the time of connecting (130b), if these are bent or the like, they may cause poor connection. Further, in order to prevent a short circuit accident or the like, it is necessary to perform a troublesome and troublesome operation such as sufficiently curing the connection conductive bands 130a and 130b.

Further, each IBS unit 110 is connected to connection conductive bands 130a, 130b on both sides via a secondary terminal plate 113 and a secondary terminal plate 114.
For this reason, the power supply voltage to the exchange rack may vary due to a voltage drop particularly between the secondary terminals 112 located at the left and right ends.

SUMMARY OF THE INVENTION In view of the above, it is an object of the present invention to provide a power supply structure in a monitoring supply frame capable of reliably preventing a short circuit accident or the like, improving safety, and supplying a stable and appropriate power supply. I do.

[0011]

According to a first aspect of the present invention, there is provided a power supply structure for a monitoring and supply frame, comprising a plurality of power distribution units mounted in a cabinet.
A monitoring and supply frame for relaying, distributing and / or monitoring a predetermined power supply, comprising a pair of unit mounting columns along both sides of a cabinet, and connecting each power distribution unit mounted via the unit mounting column. , Are electrically connected to each other on the front side.

According to a second aspect of the present invention, in the power supply structure of the monitoring and supply frame, the power distribution unit has a connection conductive band fixed so that a part of the power distribution unit is exposed on a front surface thereof. The connection conductive strips are connected to each other via a connection plate.

The power supply structure in the monitoring and supply frame according to the third aspect of the present invention is characterized in that an insulating cover is attached to the connection plate.

According to a fourth aspect of the present invention, in the power supply structure of the monitoring and supply frame, each power distribution unit has a pair of connection conductive bands having different polarities, and one of the connection conductive bands has a central portion of the power distribution unit. And a connecting conductive band of the other polarity is disposed at an end of the power distribution unit.

According to a fifth aspect of the present invention, there is provided a power supply structure in a monitoring and supply frame, wherein a plurality of power distribution units are mounted in a step-like manner via the unit mounting column, and a power receiving terminal portion is provided at a lower portion of the cabinet. And the connection conduction band of the lowermost power distribution unit is supplied with power from the power receiving terminal unit.

According to the present invention, the plurality of IBS units mounted in the cabinet are mounted stepwise via the unit mounting columns. The power distribution units vertically mounted are electrically connected to each other by connecting connection conductive bands provided around the front surface thereof via a connection plate. As described above, the power distribution units can be easily and safely connected to each other on the front surface of the cabinet of the monitoring and supply frame, and workability is significantly improved. In this case, a high insulating effect can be obtained by attaching the insulating cover to the connection plate.

[0017] In particular, a conventional connection conductor of one polarity (-) is disposed at the center of the power distribution unit, and a connection conductor of the other polarity (+) is disposed at the end of the power distribution unit. Voltage drop can be reduced compared to the case, and power can be supplied from the connection conductive band at a uniform voltage.

[0018]

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 shown in FIG. 2, on the back surface of the IBS unit 10, a secondary terminal 12 connected to each fuse is arranged. In addition, each IBS unit 10
Are mounted and supported by the unit mounting columns 20 from both sides thereof.

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 20a arranged at predetermined intervals in the vertical direction. A pair of rails 20a are provided at the same height position inside the unit mounting columns 20 on both sides, and the IBS unit 10 is supported from both sides by these rails 20a.

The IBS unit 10 can be pushed in from the front side of the cabinet 100 along the rail 20a. In this case, each IBS unit 10 is connected to the rail 20a.
It can be mounted while sliding along
Each rail 20a is provided with a stopper (not shown) so that the IBS unit 10 is mounted in a stepped manner. That is, the IBS unit 10 is positioned when it comes into contact with the stopper of the rail 20a, whereby the IBS unit 10 is arranged stepwise as shown in FIG. 1 or FIG.

Also in this embodiment, the input cable 300 from the power rack is connected, and DC power is input from the power rack. Also, as shown in FIG. 3, a number of output cables 200 are connected to secondary terminal plates 113 and 114 of each IBS unit 10 as described below, and the output device 200 is connected to each of the frames of the exchange device frame. To distribute the specified power
Supply.

Here, the respective IBS units 10 are electrically connected to each other on the front side. That is, each IBS unit 10 has a connection conductive band (+) 30a and a connection conductive band (-) 30b fixed so that a part thereof is exposed on the front surface as shown in FIG. Leading band 3
0a and the connection conductive bands 30b are connected to each other via the connection plate 31. As described above, each IBS unit 10 includes a pair of connection conducting bands 30a and 30a having different polarities.
0b, and the connection conductive band 30b of one polarity (-) is IB
The connection conductive band 30a of the other polarity (+) is arranged at the center of the front of the S unit 10 and at the end of the front 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 connecting conductive bands 30a and 30b are connected to each other via the connecting 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 the area around the power receiving terminal of the monitoring and supply frame. FIG. 6 is a perspective view of the power receiving terminal portion as viewed from the front, and FIG. 7 is a perspective view of the power receiving terminal portion as viewed from the back. The connection bars 40a, 40b are connected to the connection conductive bands 30a, 30b arranged at the lower ends, respectively, and the connection bars 40a, 40b are connected to a plurality of input cables 300 from the power rack, and are connected to the DC connection from the power rack. Power is input.

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 while sliding on the rail 20a of the unit mounting column 20. Thereby, each IBS unit 10 is correctly positioned and arranged / supported in a stepwise manner. In this mounting operation, the rail 20a can be easily and accurately performed by one person. In this case, the IBS unit 10 is mounted along the rail 20a.
By sliding, extremely high safety can be secured.

The IBS unit 10 mounted on the upper and lower sides
The connection conductive bands 30a and the connection conductive bands 30b provided around the front surface are connected to each other through the connection plate 31 to be 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.

The IBs thus electrically connected to each other
In the monitoring and supply rack having the S unit 10, first, the connection conductive bands 30a and 30 through the connection bars 40a and 40b from the input cable 300 connected to the power rack at the power receiving terminal portion.
b, a DC power supply is input, and further, the connection conductive bands 30a, 30b
Is supplied for each IBS unit 10. In each of the IBS units 10, the voltage drop is reduced as compared with the conventional case by arranging the connection conducting band 30b of one polarity (-) in the center of the front surface of the IBS unit 10, particularly. Power can be supplied at a uniform voltage from 30b.

In the above case, by mounting a 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 shifted as is clear from FIG. Is done. In this example, the secondary terminal plates 13 and 14 are shifted to the far side of the cabinet 100 in the upper IBS unit 10. As a result, each IBS
Secondary terminal plate 13 and secondary terminal plate 14 of unit 10
The output cable 200 can be pulled out and connected in a straight line.

[0032]

As described above, according to the present invention, it is possible to easily mount each IBS unit by installing a rail on a unit mounting column in this kind of monitoring and supply frame. Then, the mounted IBS units can be easily and reliably connected to each other on the front surface of the cabinet, and can be safely connected by taking effective insulation measures. In addition, by simplifying the connecting components and reducing the number of components, it is possible to effectively reduce the process management of the components and the number of steps of the connecting operation. There is an advantage that cost reduction can be substantially realized by achieving high safety and facilitation of work as described above.

[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 of a power receiving terminal unit according to the embodiment of the monitoring supply frame of the present invention.

FIG. 7 is a rear perspective view of a power receiving terminal unit according to the embodiment of the monitoring 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 rear perspective view of an IBS unit in a state where an output cable according to a conventional monitoring supply frame is connected.

FIG. 14 is a front perspective view of a power receiving terminal unit according to a conventional monitoring supply frame.

FIG. 15 is a rear perspective view of a power receiving terminal unit according to a conventional monitoring supply frame.

[Explanation of symbols]

 DESCRIPTION OF SYMBOLS 10 IBS unit 11 Fuse box 12 Secondary terminal 13, 14 Secondary terminal board 20 Unit mounting support column 20a Rail 30a, 30b Connection conduction band 40a, 40b Connection bar 31 Connection plate 100 Cabinet 200 Output cable 300 Input cable

 ──────────────────────────────────────────────────続 き Continuing on the front page (72) Inventor Tohru Matsuno 3-19-2 Nishi-Shinjuku, Shinjuku-ku, Tokyo Japan Telegraph and Telephone Corporation (72) Inventor Takanori Ukon 3-192-3, Nishi-Shinjuku, Shinjuku-ku, Tokyo No. Japan Telegraph and Telephone Corporation

Claims (5)

[Claims] 1. A monitoring supply rack having a plurality of power distribution units mounted in a cabinet and relaying, distributing and / or monitoring a predetermined power supply, comprising a pair of unit mounting posts along both sides of the cabinet. A power supply structure in a monitoring and supply frame, wherein the respective power distribution units mounted via the unit mounting posts are electrically connected to each other on the front side thereof. 2. The power distribution unit has a connection conductive band fixed so that a part of the power distribution unit is exposed on a front surface of the power distribution unit, and a connection conductive band of each power distribution unit is connected to each other via a connection plate. The power supply structure in the monitoring supply frame according to claim 1. 3. The power supply structure according to claim 2, wherein an insulating cover is attached to the connection plate. 4. The power supply structure according to claim 2, wherein each power distribution unit has a pair of connection conductive bands having different polarities.
A power supply structure in a monitoring and supply frame, wherein a connecting conductive band of one polarity is disposed at a center portion of the power distribution unit, and a connecting conductive band of the other polarity is disposed at an end of the power distribution unit. 5. A plurality of power distribution units are mounted in a stepwise manner via the unit mounting posts, and a power receiving terminal portion is provided at a lower portion of the cabinet, and a connection conduction band of a lowermost power distribution unit is connected to the power receiving terminal. The power supply structure in the monitoring supply frame according to any one of claims 1 to 4, wherein power is supplied from a unit.