JPH09275643A - System indicator - Google Patents

Abstract

PROBLEM TO BE SOLVED: To improve visibility by making it possible to know easily a change in a connection state of a plurality of power transmission systems, by an indication method using indication lamps which represent the systems. SOLUTION: 'Red' is selected by a system indication color changeover switch 9a for a transmission system A and 'green' is selected by a system indication color changeover switch 9b for a transmission system B. A color of a top priority is set to 'red' of the transmission system A. When breakers 01, 02 and disconnectors 1, 2, 11, 12, 21, 22 are connected, both of the transmission systems A and B are indicated by the priority color 'red' as shown pictorially in the figure. Therefore, all the 'green' lamps at the transmission system B side become 'red' and a change in a connection state can be known easily.

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a system display device for displaying a multi-system power system by using an illumination display.

[0002]

2. Description of the Related Art A conventional system display panel is a panel made of transparent plastic, mosaic panel, etc. on which a device name and an instrument number are printed, and an energized system is displayed in an arbitrary single color or a predetermined color. It is composed of LEDs that illuminate in multiple colors. When displaying in a plurality of colors, the LED color is changed when the power is on and when it is off.

FIG. 13 is a diagram showing a conventional system display board. In the figure, 2 of transmission system A and transmission system B
The connection state of the power transmission system of the system and the power system of the power station including two generators of 1G and 2G is displayed. The upper part of the figure is the power transmission system, the lower part is the power system inside the power plant, □ is the circuit breaker, and ○ is the disconnector. The display is performed by lighting an LED (Light Emitting Diode) simulating the system or changing the display color.

Next, the operation will be described. As shown in FIG. 13, the conventional system display board is LE in the conducting state of each part of the system.
It was illuminating D. For example, disconnectors 1, 2, 11, 2
Since 1, 12, 22 and breakers 01, 02 are open,
No power is being transmitted to the power transmission system A, and L indicates the power transmission system A
The EDs 1a, 1b, 1d are not lit.

On the other hand, the disconnecting switches 3, 4, 31, 41,
Since 32 and 42 and the circuit breakers 03 and 04 are closed, power is being transmitted to the power transmission system B and the LED 2 indicating the power transmission system B is transmitted.
a, 2b, 2c and 2d are lit.

FIG. 14 shows a state of the display panel when the circuit breaker and the disconnector are operated to switch from the power transmission system B to the power transmission system A. In this way, each line indicator (LED) connected to the system side is illuminated only when the power is turned on, depending on the open / close state of the circuit breaker and the disconnector.

[0007]

Since the conventional system display panel is constructed as described above, as can be seen by comparing FIG. 13 and FIG. 14, the system display panel is seen at the moment of switching the power transmission system. The operator noticed that the power transmission system was switched, but the operator who was not looking at the system display panel was hard to notice that the power transmission system was switched.

This is because it is difficult to understand that the power transmission system has been switched because the LEDs are illuminated in the energized state of each part of the system, and therefore the connection state of power transmission is sometimes written on a whiteboard or the like.

In order to solve this problem, among the conventional devices, there is Japanese Patent Laid-Open No. 3-14593 for displaying a line in an energized state in a different color for each power supply system, and a busbar color. There is Japanese Patent Application Laid-Open No. 6-6937, which determines the LED color of the connecting element, but all the lines in the energized state are lit, and it is possible to display only in the color decided for each system. There was a problem that it was still difficult for the operator to understand that there was a change in the connection status to the power transmission system.

The present invention has been made in order to solve the above problems, and when the energization state or connection state of the power transmission system or the power system in the power plant changes, the change in the display is easy to understand. The purpose is to provide a device.

[0011]

[Means for Solving the Problems]

(1) The system display device according to the present invention is a system display device that simulates an electric facility including a plurality of power transmission systems and electric power devices connected to these systems with a display light. And a display priority is set for each of the power transmission systems, and when at least two power transmission systems are connected, a display means for displaying in the display color of the power transmission system based on the priority. It is equipped with.

(2) In addition, in a system display device that simulates an electric installation composed of a plurality of power transmission systems and electric power equipment connected to these systems with a display light, the display color of the display light for each power transmission system is changed. In addition to the setting, the display color of the indicator light is set for each generator, and the first mode is displayed in the display color of the power transmission system according to the power transmission state of the power transmission system, and according to the connection state of the power equipment. It is provided with a second mode for displaying in the display color of the generator and a selection means for selecting one of the two modes.

(3) Further, in the above (2), the display priority is set for each power transmission system and the display priority is set for each generator so that at least two power transmission states or connection states are set. In the case of straddling a power transmission system, a display means for displaying in the display color of the power transmission system or the generator based on the priority is provided.

(4) Further, in the above (1) or (3), the display priority of each transmission system and the display priority of each generator are arbitrarily set to desired priorities. A priority order setting means is provided.

(5) In addition, in a system display device that simulates electric equipment composed of a plurality of power transmission systems and electric power equipment connected to these systems with indicator lights, the display color of the indicator lights for each transmission system is changed. If a power transmission system that is in the power transmission state is connected to another power transmission system that is not in the power transmission state,
Display means for displaying the display of the power transmission system in the power transmission state in the display color of the other power transmission system not in the power transmission state is provided.

(6) Further, in a system display device that simulates an electric facility composed of a plurality of power transmission systems and electric power equipment connected to these systems with a display light, the display color of the display light for each power transmission system is changed. It is provided with display means that is set and displays in the display color on the larger side of the display portion where the display color of the display lamp changes when at least two power transmission systems are connected.

(7) Further, in a system display device for simulating an electric facility composed of a plurality of power transmission systems and electric power equipment connected to these systems with a display light, the display color of the display light for each power transmission system is changed. In addition to setting, set the size of the display part that changes the display color when the connection status changes, and the size of the display part that changes the display color of the indicator light when at least two power transmission systems are connected. Is smaller than the size of the display portion set as described above, display means is provided for changing and displaying the display colors.

(8) Further, in the system display device according to any one of the above (1) to (7), the display color of the indicator lamp for each power transmission system is set by arbitrarily selecting a predetermined display color. A display color selection means for setting the above is provided.

(9) Further, the system display device according to any one of the above (1) to (8) is a system having a plurality of systems such as a power distribution system in place of the power transmission system.

[0020]

BEST MODE FOR CARRYING OUT THE INVENTION

Embodiment 1. Hereinafter, Embodiment 1 of the present invention will be described with reference to FIGS.
It will be described with reference to FIG. 1, 2, 5, 6, and 7 are views showing a display panel surface of the system display device of this embodiment.
In Fig. 1, 2, 5, 6, and 7, the connection status of the two power transmission systems, transmission system A and transmission system B, and the power system of the power station consisting of two generators 1G and 2G is displayed. There is. Further, each LED simulating the system can be turned on in red (R), green (G), and orange (O).

Reference numerals 1a to 1d, 2a to 2d are LEDs showing a power transmission system, and 5 is an LED showing a power system in a power plant. Also, □ indicates a circuit breaker, and ○ indicates a disconnector. 9a and 9b are changeover switches for the LED initial setting colors for each power transmission system. By switching the changeover switch, the initial setting colors of the LEDs of each power transmission system (in the figure, red (R), green (G), Select from three colors of orange (O).

FIG. 3 is a block diagram of the apparatus. In the figure,
The signal 101 of the energization status of each system, the signal 102 of the circuit breaker operation status, and the signal 103 of the disconnector operation status are input to the sequencer 501, and an illumination display command is output according to the input result, and the command is output. Is displayed on the display panel 502. FIG. 4 is a processing flowchart in the sequencer.

Next, the operation will be described with reference to the flowchart of FIG. (1) The color of the power transmission system on the power transmission system A is the changeover switch 9a
To set to red. (2) Power transmission system The color of the power transmission system display of the second party is the changeover switch 9b.
To set it to green.

For example, as shown in FIG. 1, the disconnectors 1, 2, 1
When 1, 21, 12, 22 and breakers 01, 02 are open, power is not being transmitted to the power transmission system A, but LEDs 1a and 1b indicating the power transmission system A are red, which is the initial setting color set by the changeover switch 9a. It is lit. Similarly, disconnectors 3, 4,
The LEDs 2a and 2b indicating the power transmission system B are lit in green set by the changeover switch 9b regardless of whether 31, 41, 32, 42 and the circuit breakers 03, 04 are opened or closed.

Further, the LEDs 2c, 2d of the system connected to this power transmission system and connected to the 1G generator transmitting power,
5, circuit breakers 03, 04, 70, 110 in the ON state, St1
1, and the disconnector 3, 4, 31, 32, 41, 42,
53, 64, St13, St14, 113, 114, 7
5 and 76 are also lit in green. (3) The branch 300 branches in the “Yes” direction by the signal 101 in which the energization state of each system in FIG. 3 has changed.

(4) In the branch 301, the signal 102 of the circuit breaker operating status and the signal 10 of the disconnector operating status are set in the sequencer.
It is judged from 3 whether the generator and the power transmission system are connected, and if they are connected, the process proceeds to “Yes”. Although not shown, the logic for determining the connection between the generator and the power transmission system in the sequencer, for example, determines that the circuit breaker 6a in FIG. 1 is connected if it is in the energized state.

(5) In branch 301, when the generator and the power transmission system are not connected, the result is "No", and therefore the lighting state of the LED does not change even if the breaker or disconnector is opened or closed.

(6) Disconnectors 1, 2, 11, 21, 12,
When 22 and the circuit breakers 01 and 02 are closed, power is transmitted to the power transmission system A and B, and is branched to the “Yes” side of the branch 302 in the flowchart of FIG.

(7) LE of the transmission system on the left side now
If the D lighting color (red) has priority over the other lighting colors (green), the LEDs of the power transmission system will be processed in steps 303, 304, and 305.
1c, 1d, 2a, 2b, 2c, 2d and system 5 are also LEDs
Lights up in red on the left grid. The lighting state is as shown in FIG.

(8) At branch 302, if "No",
Although not shown, in process 306, the LED display color of the power generation system is displayed in the color of the connected power transmission system, and in process 307, the connected system 5 is displayed in the color of the same power transmission system.

(9) Further, although not shown in the flow chart, the disconnecting switches 3, 4, 31, 41, 32,
When the switch 42 and the circuit breakers 03 and 04 are opened, the LEDs 2c and 2d indicating the power transmission system B are turned off and the state becomes as shown in FIG. (10) In FIG. 5, even when the generator 1G is in operation and is ready for power transmission, if both the transmission system A and the transmission system B are disconnected, the systems 5, 8a, 8b, etc. LED
Is off.

As described above, since the display color of the LED simulating the system changes when another system is connected, the connection state of the system and the change in the state can be seen at a glance. Further, the initial setting display color of each power transmission system can be switched by the changeover switches 9a and 9b so that the operator can easily see it. For example,
6 and 7 are examples in which the transmission system A is set to green and the transmission system B is set to red, and the transmission system A side is preferentially displayed. FIG. 6 is a diagram corresponding to FIG. 7 is a figure corresponding to FIG.

In the above example, the left side of the power transmission system is the priority color, but the right side may be the priority color. Further, which color is to be the priority color may be initially set, but a switch for selecting a priority color may be separately provided on the board surface of the display board and set by the switch.

Although this embodiment is applied to the LED display system display panel, it may be applied to a display device simulating the system on a CRT or a liquid crystal display panel.

As described above, according to this embodiment,
When another transmission system is connected to an unconnected transmission system,
Since the display color is changed according to the connected transmission system, there is an effect that it can be very easily confirmed to which system the power is transmitted. Further, since an arbitrary display color can be set for a plurality of systems, a color that is easy to remember can be used depending on the situation.

Embodiment 2 In the first embodiment, the change in the connection state can be recognized according to the connection state to the grid. For example, in the display of FIG. 5, the generator 1G is in operation and is in a state where power transmission is possible. When both the transmission system A and B are disconnected, the display is as shown in the figure, and the LEDs of the systems 5, 8a, 8b, etc. are off.

In such a case, it is unclear whether power transmission is not performed due to trouble in the power generation system or power transmission is possible. For example, when one disconnector has failed and cannot use that line but is using another line, it is easy to understand that the current-carrying state is displayed. Also,
In some cases, it is necessary to recognize the energization state not only when power is being transmitted, but also when the station is not connected to the grid alone.

Therefore, by displaying whether or not each power generation system is in the energized state, it is possible to better understand the connection state of the system and prevent an operation error or the like. In the second embodiment, a display of the energized state is added to the display of the power transmission state of the first embodiment.

FIG. 8 shows a block diagram of the apparatus. The signal 201 for transmitting the energization state of each system is directly input to the display panel 502, and the other points are the same as those in FIG. 3 of the first embodiment.
The changeover switch 7 of FIG. 9 is provided on the display panel 502, and has a “energization display priority” mode in which the display color of the LED is changed according to the energization state of the power system in the power plant, and the connection state to the power transmission system is prioritized. , The LED display color that is specific to each transmission system is set to L
Both of the “power transmission display priority” mode (mode of the first embodiment) for changing the display color of the ED can be seen.

By the changeover switch 7, "power transmission display priority"
When the mode is switched to the "energization display priority" mode, when the energization state of each system is input by the signal 201 of FIG. 8, the display state of FIG. 5 changes to the display state of FIG.

As described above, according to this embodiment,
Since the "power transmission display priority" mode and the "energization display priority" mode are provided and selected, the power distribution state of the system can be known and the range of utilization is expanded.

Embodiment 3. Consider the situation as shown in FIG. 10 as a display case according to the first embodiment. It is assumed that the transmission system display color of the transmission system A is set to green by the changeover switch 9a. It is also assumed that the transmission system display color of the transmission system B is set to red by the changeover switch 9b.

As shown in the figure, the disconnecting switches 1, 2, 11, 21,
Since LEDs 12, 22 and breakers 01, 02 are closed, the LED 5 of the power system in the power plant is displayed in green. In this case, as described in the first embodiment, the power is not transmitted to the power transmission system B, but the LEDs 2a and 2b indicating the power transmission system B are lit in red set by the changeover switch 9b.

Here, the disconnecting switches 3, 4, 31, 41, 32,
42, the circuit breakers 03, 04 are closed, and power transmission to the power transmission system B is started, and in the first embodiment, when the set color of the left power transmission system is prioritized, the display changes to that shown in FIG. 7. In this case, the LEDs 2a and 2b indicating the power transmission system B in FIG. 10 change from red lighting to green lighting, but there is a small area where the display color changes, which may be overlooked. Therefore, in the third embodiment, as a means for changing the lighting color of the LED having a larger area when the power transmission state changes, the operation is performed as follows.

As a countermeasure for the above when the power transmission system and the power station system as shown in FIG. 10 are connected, the power transmission system in which the power is already in the power transmission state (the portion lit in green (G) in FIG. 10). In addition, another power transmission system that is not in the power transmission state (see FIG.
When the red (R) lit part is connected, the connection is made with the initial setting color (the part lit red (R) in FIG. 10) of the connected power transmission system that is not in the power transmission state. The LEDs of the selected power transmission system are turned on, and the lighting color is changed as shown in FIG.

This operation will be described with reference to the processing flowchart of FIG. (1) The color of the power transmission system on the power transmission system A is the changeover switch 9a
To set it to green. (2) Power transmission system The color of the power transmission system display of the second party is the changeover switch 9b.
To set to red.

In the above states (1) and (2), as shown in FIG. 10, the disconnecting switches 3, 4, 31, 32, 41, 42 and the circuit breakers 03, 04 are opened. In this case, LE is not transmitted to the power transmission system B, but LE indicating the power transmission system B
D2a and 2b are lit in red, which is the initial setting color set by the changeover switch 9b. In this state, it is the same as in the first embodiment.

(3) The branch 300 branches from the power-on state change signal 101 of each system shown in FIG. 3, and proceeds to "Yes". (4) In branch 301, when the generator and the power transmission system are not connected, the result is “No”, and therefore the lighting state of the LED does not change even if the breaker and the disconnector are opened and closed. (5) Now, since it is supposed that the LED lighting color of the power transmission system which has not been transmitted is prioritized, the disconnecting switches 3, 4, 3 are processed by the processing 403.
When 1, 41, 32, 42 and breakers 03, 04 are closed,
In addition to power transmission system A, power is also transmitted to power transmission system B, and branch 30
It branches to the "Yes" side of 2.

(6) In processing 403, 404, and 405, the LEDs 1a, 1b, 1c, 1d, 2a, 2b, and 2 of the power transmission system.
The LEDs of c, 2d, and system 5 are also turned on in the color of the untransmitted power transmission system ((R) in FIG. 10), and the display state shown in FIG. 2 is obtained. (7) If the result at branch 302 is “No”, the first embodiment
Processing similar to the processing 306 and 307 of FIG.

Although this embodiment is applied to the LED display system display panel, it may be applied to a display device simulating the system on a CRT or a liquid crystal display panel.

As described above, according to this embodiment,
When another transmission system is connected to an unconnected transmission system,
The display color of the power transmission system during power transmission is changed to the display color of the power transmission system that has not been transmitted, and the display state is changed significantly, so it is possible to confirm that the power transmission state of the power transmission system has changed. There is an effect that can be made extremely easy.

Embodiment 4 FIG. In the third embodiment, when the other transmission system is connected to the unconnected transmission system, the display color on the non-transmission side is displayed. However, the display color often changes regardless of whether the transmission or non-transmission is performed. You may make it select automatically so that.

This is because when the connection state of the system changes,
For example, the area of the display portion that changes from green to red and the area of the display portion that changes from red to green are compared, and the display state on the side of the area where the change is large is set.

The fourth embodiment is shown in the block diagram of FIG. In FIG. 12, the area comparison unit 50 compares the area previously input by the LED area setting unit 501a and the area determined by calculating the area actually displayed by the LED display determination unit 501b.
If the area to be changed is small, the LED display determination unit 501b changes the display color according to the change command.

Although not shown, the display area of the LED is not set and the area of the display portion when the color changes from green to red is calculated, while the area of the display portion when the color changes from red to green is calculated. Then, the two are compared and the display state on the side of the area where the change is large is set. Further, in addition to the comparison in the area of the changing display portion, the comparison may be performed in the length of the changing display portion, or the comparison determination may be made in the number of the changing indicator lights.

The present invention can also be applied to a case where the power transmission system becomes complicated and there are three or more systems. If there are 3 colors in 3 systems, it is sufficient to make a comparative determination so as to obtain a display state in which the 3 colors change a lot.

As described above, according to this embodiment,
When the connection state changes, the display state is changed more greatly, so that it is very easy to confirm that the connection state of the system has changed.

Embodiment 5 FIG. In the above embodiment, the case where the power transmission system has two systems and the power generation system has two systems is illustrated and described, but the present invention can be applied to the case where the power transmission system has two systems and the power generation system has one system. Further, it can be applied even when the transmission system and the power generation system are each three or more systems.

Embodiment 6 FIG. In the above embodiment, the display related to the plurality of power transmission systems has been described, but the present invention can be applied to the power distribution system. Further, it can be applied to display of power receiving equipment of a plant such as an industrial plant that uses an industrial electric motor instead of the generator. In this case, the power transmission system becomes the power reception system.

Further, not only the electric system but also a water display system having a plurality of water supply systems (or drainage systems), a chemical plant having a plurality of raw material supply systems, and the like can be applied to a display panel for system display. That is, it can be applied to an illuminated display panel having a plurality of systems.

[0061]

As described above, according to the present invention, when the energization state / connection state of the power transmission system or the system in the power plant changes, the change of the display can be easily understood, so that the display can be monitored. The operator can be made to recognize it well.

[Brief description of drawings]

FIG. 1 is a diagram showing a display state of a system display board according to a first embodiment of the present invention.

FIG. 2 is a diagram showing a display state of the system display board according to the first embodiment of the present invention.

FIG. 3 is a configuration diagram of a system display system according to the first embodiment of the present invention.

FIG. 4 is a flowchart of the operation according to the first embodiment of the present invention.

FIG. 5 is a diagram showing a display state of the system display board according to the first embodiment of the present invention.

FIG. 6 is a diagram showing a display state of the system display board according to the first embodiment of the present invention.

FIG. 7 is a diagram showing a display state of the system display board according to the first embodiment of the present invention.

FIG. 8 is a diagram showing a display state of a system display board according to a second embodiment of the present invention.

FIG. 9 is a diagram showing a display state of a system display board according to a second embodiment of the present invention.

FIG. 10 is a diagram showing a display state of a system display board according to a third embodiment of the present invention.

FIG. 11 is a flowchart of the operation according to the third embodiment of the present invention.

FIG. 12 is a configuration diagram of a system display system according to a fourth embodiment of the present invention.

FIG. 13 is a diagram showing a display state of a conventional system display panel.

FIG. 14 is a diagram showing a display state of a conventional system display board.

[Explanation of symbols]

1a, 1b LED for displaying power transmission system, 2a, 2b LED for displaying power transmission system, 5 LED for displaying power station system, 7 display status changeover switch, 9a, 9b system color changeover switch, 501 sequencer, 502 display panel .

Claims (9)

[Claims] 1. In a system display device for simulating an electrical installation composed of a plurality of power transmission systems and electric power equipment connected to these systems with a display light, a display color of the display light is set for each power transmission system. The display priority is set for each of the power transmission systems, and when at least two power transmission systems are connected, a display means for displaying in a display color of the power transmission system based on the priority is provided. System display device. 2. In a system display device for simulating an electric installation composed of a plurality of power transmission systems and electric power equipment connected to these systems with a display light, a display color of the display light is set for each power transmission system. , A first mode in which the display color of the indicator light is set for each generator and is displayed in the display color of the power transmission system according to the state of power transmission to the power transmission system, and the generator according to the connection state of the power equipment A system display device comprising a second mode for displaying in the display color of and a selection means for selecting one of the two modes. 3. The grid display device according to claim 2, wherein a display priority is set for each power transmission system and a display priority is set for each generator so that at least two power transmission states or connection states are set. A system display device comprising display means for displaying the transmission system or the generator in a display color based on the priority when the transmission system is straddled. 4. The grid display device according to claim 1 or 3, wherein the priority order of display of each power transmission system and the priority order of display of each generator are arbitrarily set to desired priority orders. A system display device, characterized in that it is provided with a priority setting means. 5. In a grid display device for simulating electric equipment composed of a plurality of power grids and electric power equipment connected to these grids by means of a display light, a display color of the light is set for each power grid. When the power transmission system in the power transmission state and another power transmission system not in the power transmission state are connected, the display of the power transmission system in the power transmission state is displayed in the display color of the other power transmission system not in the power transmission state. A system display device comprising means. 6. In a system display device for simulating an electric installation composed of a plurality of power transmission systems and electric power equipment connected to these systems with a display light, a display color of the display light is set for each power transmission system. In addition, when at least two power transmission systems are connected, a system display device comprising display means for displaying in a display color on the larger side of a display portion where the display color of the indicator light changes. 7. In a system display device for simulating an electrical installation composed of a plurality of power transmission systems and electric power equipment connected to these systems with a display light, a display color of the display light is set for each power transmission system. , The size of the display part where the display color changes when the connection state changes is set, and the size of the display part where the display color of the indicator light changes when at least two power transmission systems are connected, A system display device comprising display means for changing and displaying each display color when the size is equal to or smaller than the size of the set display portion. 8. The system display device according to claim 1, wherein the display colors of the indicator lights for each power transmission system are set by arbitrarily selecting a predetermined display color. A system display device comprising means. 9. The system display device according to any one of claims 1 to 8, wherein the system has a plurality of systems such as a distribution system in place of the power transmission system.