JPH1098810A - Device for supporting feeder line changing work - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide a device for supporting a feeder line change work, which makes it possible to lighten the labor of field workers and to prevent incorrect operations when performing the feeder line change work. SOLUTION: When a display lamp control means 102 receives an operation signal from an inputting means 101, it reads information of feeder lines stored in a storing means 103 in advance to display this information on a monitor panel screen with a control circuit 104 for the display on the monitor panel screen. The display lamp control means 102 also outputs a display control signal to a display lamp driving circuit 106 to make a display lamp 105 flash relating to a circuit breaker 107 which a field worker has to operate. When the field worker closes the circuit breaker 107 looking at this display lamp 5, a close signal is inputted to the display lamp drive circuit 106 so that it changes the blink operation of the display lamp 105 to a continuous illuminating operation. The blink and the continuous operations of this display lamp 105 are displayed on the monitor panel screen.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a power supply path switching work supporting apparatus for supporting a switching operation of a power supply path to a load when the operation is performed.

[0002]

2. Description of the Related Art FIG. 4 is an external view showing a schematic configuration of a conventional apparatus. In this figure, a monitoring panel 1 is usually installed in a monitoring control room or the like, and has a display screen 2. At the site, a site peripheral panel 3 having a wiring breaker 4 and an uninterruptible power supply (UPS) 5 having an operation panel 6 and a wiring breaker 7 are installed. The on-site peripheral panel 3 and uninterruptible power supply 5 are installed between the power supply and the load, and the illustration of the power supply and the load is omitted.

[0003] When switching the power supply path, a field worker sequentially operates the wiring breaker 4, the operation panel 6, and the wiring breaker 7 while looking at a drawing in which a predetermined power supply path is illustrated. On the other hand, the power supply path is also displayed on the display screen 2 of the monitoring panel 1, and the operation result of the on-site worker indicates that the operator in the monitoring and control room is illuminated by a predetermined position on the displayed power supply path. You can check it.

[0004]

However, the uninterruptible power supply 5 is a power device having a complicated system configuration, the operation panel 6 is provided with a large number of operation buttons, and the wiring breaker 7 has a small number. is not. The on-site workers perform these operations while referring to the instruction manual, etc., but the operation procedures are complicated, and sometimes the erroneous operations are performed, and the operators in the monitoring control room also overlook this. There is a fear.

The present invention has been made in view of the above circumstances, and when performing a power supply path switching operation, a power supply path switching operation capable of reducing the labor borne by site workers and preventing erroneous operations. It is intended to provide a support device.

[0006]

As means for solving the above-mentioned problems, the invention according to claim 1 is based on a plurality of paths of a switchboard or a power supply electric device installed on the way from a power supply to a load. The power supply path is switched by operating the switching means, and in the power supply path switching work support device for displaying the switched power supply path on the display screen of the monitoring panel,
An indicator light arranged in the vicinity of each of the plurality of path switching means, a storage means for storing a preset power supply path, and an operation among the plurality of path switching means. Indicator light control means for displaying, on a display screen of the monitoring panel, a display operation to be performed on the corresponding display light, and a display operation of the operation to be completed is sequentially performed on the corresponding display light. I do.

According to a second aspect of the present invention, in the first aspect of the present invention, a display operation of an indicator lamp related to a next one of the plurality of path switching means to be operated is a blinking operation,
The display operation of the indicator lamp related to the completion of the operation is a lighting operation.

According to a third aspect of the present invention, in the first or second aspect of the present invention, the monitoring panel is portable near the power distribution panel or the power supply device.

[0009]

FIG. 1 is a block diagram showing a configuration of an embodiment of the present invention. In this figure, when an operation signal from an input unit 101 such as a keyboard or a touch panel is input to a display lamp control unit 102 (formed by a CPU), the display lamp control unit 102 is stored in a storage unit 103 in advance. The power supply path is read out, and the read information on the power supply path is output to the monitoring panel screen display control circuit 104 and displayed on the screen of the monitoring panel.

The indicator light control means 102 outputs a display control signal to an indicator light drive circuit 105 in a switchboard or a power supply power device, and blinks an indicator light 106 of a circuit breaker 107 to be operated by a site worker. Make it work. This indicator light 106
When the on-site worker turns on the circuit breaker 107 after seeing the blinking operation of, the closing signal is input to the indicator light driving circuit 105, and the indicator light driving circuit 105 switches the blinking operation of the indicator lamp 105 to the lighting operation. The blinking operation and the lighting operation of the display lamp 105 are displayed on the screen of the monitoring panel.

Therefore, the on-site worker only needs to sequentially operate the circuit breaker 107 associated with the indicator light 105 that is performing the blinking operation, while the operator in the monitoring and control room is
By monitoring the screen of the monitoring panel, it is possible to confirm whether or not the operation actually performed by the field worker is performed so as to form a correct power supply path.

FIG. 2 is an external view showing a schematic configuration of an embodiment of the present invention. In the present embodiment, an input panel 41, an output panel 61, and a switching panel 71 are installed as a switchboard, and a first uninterruptible power supply 31 and a second uninterruptible power supply 51 are installed as power supply devices. An example will be described.

In FIG. 2, a monitoring panel 21 has a display screen 2
2. It has a power supply path confirmation switch 23 and an operation order display switch 24.

An input panel 41 is provided in addition to the first uninterruptible power supply 31. The first uninterruptible power supply 31 is provided with an operation confirmation LED 32 and an operation panel 33, and the input panel 41 is provided with operation confirmation LEDs 42 and 44 and wiring breakers 43 and 45.

An output board 61 is provided in addition to the second uninterruptible power supply 51. The second uninterruptible power supply 51 includes an operation confirmation LED 52 and an operation panel 53, and the output panel 61 includes operation confirmation LEDs 62 and 64 and wiring breakers 63 and 65.

An operation confirmation LED 72,
74, 76, 78, 80, 82 and operation panels 73, 7
5, 77, 79, 81, 83 are provided.

FIG. 3 shows an example of the power supply path displayed on the display screen 22 of the monitor 21. In this figure, marks 32a, 32b and 32c correspond to the operation confirmation LED 32 in FIG. 2 and correspond to the respective operation buttons on the operation panel 33. Similarly, marks 52a, 52b, and 52c correspond to the operation confirmation LED 52 in FIG.
Correspond to the respective operation buttons. Also, mark 42
a, 44a, 62a, 64a, 72a, 74a, 76
a, 78a, 80a, and 82a are operation confirmation L, respectively.
ED42, 44, 62, 64, 72, 74, 76, 7
8, 80 and 82.

Next, the power supply switching operation of the present embodiment configured as described above will be described. First, the operator in the monitoring room selects a desired power supply path by operating input means such as a keyboard (or a touch panel or a mouse) not shown. This selected feed path is
This is one of those previously set and stored in the storage unit 103 described in FIG. Then, when the operator presses the power supply path confirmation switch 23, the marks in FIG. 3 blink in the order in which they should be operated, and the state after the power supply path is switched is displayed on the screen. The operator looks at the display on this screen and checks whether the selected route is a desired route.
In the present embodiment, the paths that have been supplying power to the first and second loads via the first uninterruptible power supply 31 until now, that is, the marks 32a and 32 in FIG.
A description will be given of a case where the path in which the b, 72a, 74a, 76a, 78a, 82a is lit is switched to the path passing through the second uninterruptible power supply 51.

Next, the operator presses the operation order display switch 24. Then, the mark 52a in FIG. 3 blinks, and the operation confirmation LED 52 in FIG. 4 also blinks. When the operator confirms the blinking operation of the operation confirmation LED 52, the operator operates the operation panel 53 to operate the second uninterruptible power supply 51. Thereby, the mark 52a and the operation confirmation LED 52 are switched from the blinking operation to the lighting operation,
Thereafter, the mark 52b and the operation confirmation LED 52 blink.

The operator confirms the blinking operation of the operation confirmation LED 52, operates the operation panel 53, and selects power supply not on the bypass side but on the UPS side. Thereby, the mark 52b and the operation confirmation LED 52 are switched from the blinking operation to the lighting operation, and thereafter, the mark 62a and the operation confirmation LED 62 blink.

The worker confirms the blinking operation of the operation confirmation LED 62 and turns on the wiring breaker 63. As a result, the mark 62a and the operation confirmation LED 62 are switched from the blinking operation to the lighting operation, and thereafter, the mark 44a and the operation confirmation LED 44 blink.

The worker confirms the blinking operation of the operation confirmation LED 44 and turns on the wiring breaker 45. As a result, the mark 44a and the operation confirmation LED 44 are switched from the blinking operation to the lighting operation, and thereafter, the mark 32c and the operation confirmation LED 32 blink.

The operator confirms the blinking operation of the operation confirmation LED 32, operates the operation panel 33, and selects power supply not on the UPS side but on the bypass side. Thereby, the mark 32c and the operation confirmation LED 32 are switched from the blinking operation to the lighting operation, and thereafter, the mark 32a and the operation confirmation LED 32 blink.

The operator confirms the blinking operation of the operation confirmation LED 32, operates the operation panel 33, and stops the operation of the first uninterruptible power supply 31. Thus, the blinking of the mark 32a and the operation confirmation LED 32 also stops. With the above operation, the switching operation from the power supply path via the first uninterruptible power supply 31 to the power supply path via the second uninterruptible power supply 51 is completed.

As described above, in the power supply switching operation of the present embodiment, the operator can know the operation panel to be operated next and the wiring breaker by the blinking operation confirmation LED, and the operation is completed. It can be known from the change from the blinking operation to the lighting operation. This eliminates the need for operators to refer to drawings and instruction manuals each time to perform work, and to avoid mistakes in the operation panel and wiring breaker to be operated, which is easy and reliable. Power supply switching work can be performed.

In the above-described embodiment, the case where the monitoring panel 21 is installed in the monitoring control room and the operator confirms the work contents of the on-site worker has been described. It is also possible to adopt a configuration in which the switching work is performed while the operator looks at the display screen of the monitoring panel 21.

Further, in the above embodiment, one LED is provided corresponding to one switching means, and the operator is notified of the switching means to be operated next by blinking the LED.
The completion of the operation is notified by changing from the blinking operation to the lighting operation. However, two LEDs are provided corresponding to one switching means, and the above-described notification content is displayed for each LED. You may. Further, in the above-described embodiment, the example in which the LED is used as the indicator light has been described, but the indicator lamp may be used.

[0028]

As described above, according to the present invention, when performing the power supply path switching work, the power supply path switching work support capable of reducing the labor borne by the field workers and preventing erroneous operations. An apparatus can be provided.

[Brief description of the drawings]

FIG. 1 is a block diagram showing a configuration of an embodiment of the present invention.

FIG. 2 is an external view showing a schematic configuration of an embodiment of the present invention.

FIG. 3 is an explanatory diagram showing an example of a power supply path displayed on a display screen of a monitoring panel in FIG. 2;

FIG. 4 is an external view showing a schematic configuration of a conventional device.

[Explanation of symbols]

REFERENCE SIGNS LIST 1 monitoring panel 2 display screen 3 field peripheral panel 4 wiring breaker 5 uninterruptible power supply 6 operation panel 7 wiring breaker 21 monitoring panel 22 display screen 23 power supply path check switch 24 operation order display switch 31 first uninterruptible power supply 32, 42, 44, 52, 62, 64, 72, 74, 7
6, 78, 80, 82 Operation confirmation LEDs 33, 53 Operation panel 41 Input panel 43, 45, 63, 65, 73, 75, 77, 79, 8
1,83 wiring breaker 51 second uninterruptible power supply 61 output panel 71 switching panel 32a, 32b, 32c, 42a, 44a, 52a, 5
2b, 52c, 62a, 64a, 72a, 74a, 76
a, 78a, 80a, 82a Mark on display screen

Continued on the front page (72) Inventor Jun Otsuka 1-1-1, Shibaura, Minato-ku, Tokyo Inside Toshiba head office

Claims (3)

[Claims] 1. A power supply path is switched by operating a plurality of path switching means of a switchboard or a power supply device installed on the way from a power supply to a load, and the power supply path after the switching is monitored. In a power supply path switching work support device displayed on a display screen of a panel, an indicator lamp disposed in the vicinity of each of the plurality of path switching means and a preset power supply path are stored. Storage means, and among the plurality of path switching means, the one to be operated and the one for which the operation has been completed are sequentially displayed on the corresponding indicator lamps, and this display operation is displayed on the display screen of the monitoring panel. A power supply path switching work support device, comprising: 2. The power supply path switching work support device according to claim 1, wherein the display operation of the indicator lamp related to the next one of the plurality of path switching units to be operated is a blinking operation, and the operation is completed. The power supply path switching work support device, wherein a display operation of the indicator lamp according to the object is a lighting operation. 3. The power supply path switching work support device according to claim 1, wherein the monitoring panel is portable near the power distribution panel or the power supply power device. Support equipment.