JPH0470901A - Load control system - Google Patents

Abstract

PURPOSE:To enable even other means except a main operating means to change the control priority by performing the inhibition/acceptance switch of operation through the main operating means in order to control the priority of operating input devices. CONSTITUTION:A main operating means 8 transmits the control signals to both control terminals 3a and 3b, and at the same time an operating terminal equipment 7 transmits a signal to the means 8 to show the open/close state of a control switch 14. Then the loads 5a - 5h are controlled which are connected to the prescribed control terminal equipments 3a and 3b via the means 8 according to the open/close state of the switch 14. In this case, a switch means 21 of the means 8 decides whether the operating input should be accepted from the equipment 7 or not. Thus the priority of the operating input devices (loads) can be controlled and even other means except the means 8 can change the control priority.

Description

[Detailed Description of the Invention] [Industrial Application Field] This invention relates to a load control system, and particularly to a load control system in which loads such as a large number of lights are centrally controlled from a main operation panel via a plurality of control terminals. It is something.

(Prior Art) FIG. 9 is a diagram showing a load control system described in Japanese Patent Application No. 63-234092 (hereinafter referred to as the first conventional example).

First, a first conventional example will be explained using FIGS. 9 to 11.

In FIG. 9 of the drawing, 21 is an input switch for operating the main operation panel 1, 22 is a numeric keypad for inputting numbers, etc., and 20 is for displaying the operation details of the main operation panel 1 and manual switches. This is the display section.

Figure 10 of the drawing shows that the priority switching between local control (control from the operation terminal 7) and central control (control by operation of the main operation panel 1) on the main operation panel 1 (Figure 9) FIG. 7 is a chart diagram showing changes in display content as the operation content is operated on the display device 20 when priority is given.

FIG. 11 is a chart showing changes in the display contents as the operation contents are operated on the display device 2o when the priority switching between local control and central control on the main operation panel 1 is set to local priority. be.

Next, the operation when the priority of local control/central control is given to center priority in the first conventional example will be explained using FIG. 9 and FIG. 10.

In this case, when attempting to operate the lighting equipment 5a connected to the control terminal 3a (Fig. 9) (hereinafter this circuit will be referred to as circuit 1), in Fig. 10a, when the display "operation" is When the lower switch 21a is operated, the display device 20 (9th
The display contents in Fig. 10 are displayed as shown in Fig. 10.

Then, in order to operate the circuit 1, the user operates the switch 21a under the display "Circuit" and the ten key 22, and the display contents on the display device 20 become as shown in FIG. 10C.

If you want to turn off this circuit 1, operate the switch 21b under the display ``off'', and the display device 20
The display contents are as shown in Figure 10d, and the main operation panel 1
(FIG. 9), the control terminal 3a is connected via the transmission line 2.
A control command for the lighting device 5a is transmitted to the lighting device 5a.

Next, in the first conventional example, the operation when the priority of local control f4/central control becomes local priority (5) will be described with reference to FIGS. 9 and 11.

When an attempt is made to operate the lighting device 5a of the circuit 1 in FIG. 9, when the switch 21a under the display ``operation'' is operated in FIG. 11a, the display contents on the display device 20 (FIG. 9) The result will be as shown in Figure 11.

Then, in order to operate the circuit 1, when the switch 21a under the display "CIRCUIT" is operated, the display contents on the display device 20 become as shown in FIG. 11C.

And if you want to forcibly turn off this circuit 1, y
When the switch 21d under the display `` is operated, the display contents on the display device 20 become as shown in FIG. 11d.

Then, switch 21b under the display "off"
When you operate , the display contents on the display device 20 become as shown in Figure 11e, and the transmission line 2 is displayed from the main operation panel 1 (Figure 9).
A control command for the lighting equipment 5a is transmitted to the control terminal 3a via the control terminal 3a.

When operating from the operating terminal 7 , an operating request is transmitted to the main operating panel 1 via the transmission line 2 by operating the input switch 14 . At this time, the main operation panel 1 accepts the operation request if priority is given to local control/central control, or if local priority is given, and transmits a control command corresponding to the request content to the control terminal.

Further, if the priority of local control/central control on the main operation panel 1 is set to center priority, the operation request from the operation terminal 7 is rejected.

As described above, the main operation panel 1 can manage the priority order of operations by the operation terminal 7 and human operation from the main operation panel 1.

Next, a second conventional example will be explained using FIGS. 12 to 14.

FIG. 12 shows a load control system (hereinafter referred to as the second conventional example) disclosed in Japanese Patent Laid-Open No. 59-201101 (hereinafter referred to as the second conventional example).
1 is a block diagram showing the internal configuration of the device (device);
23 is a processor consisting of a microcomputer, 24 is an input port for inputting signals from sensors, etc., 25 is a clock circuit, 2
6 is a program memory in which a control program is stored;
27 is a keyboard, 28 is a memory for manually controlling the electrical equipment, 29 is a priority circuit for giving priority to manual control, and 30 is a relay drive circuit connected to the priority circuit 29, which drives a relay 31 for controlling the controlled equipment. do.

Next, the operation of the second conventional example will be explained using FIG. 13.

Figure 13 of the drawing shows the load control system (device) shown in Figure 12.
3 is a flowchart showing the operation of FIG.

In FIG. 13 of the drawing, a clock circuit 25 is connected to a processor 23.
(Fig. 12) when the time specified in the program (Y in step S1) or when the program setting conditions and sensor input conditions match (Y in step S2), the block diagram is turned ON. OFF flag to 1
(step S3).

Also, when there is a manual operation from the keyboard 27 (Fig. 12), the manual ON/OFF flag is set to 1 (
Step S4 (Y).

At this time, the load is controlled by driving the relay live circuit or relay according to the conditions shown in Fig. 14 (step S5).
.

(Problems to be Solved by the Invention) As described above, in the first conventional example, when switching the priority, the control priority was switched at the main operation panel, so the control was changed from a place other than the main operation panel. There was a problem that the priority could not be switched.

Further, when the second conventional example is applied to a lighting system, there is a problem that it cannot be forcibly operated from other equipment during manual control.

This invention was made in order to solve the above-mentioned problems, and it is possible to manage the priority order of operation input devices (loads) by switching between prohibition and acceptance of operations in the main operation means, so that the main operation The purpose is to enable switching of control priorities from means other than means.

Additionally, the purpose is to ensure control safety by being able to switch settings between prohibition and acceptance.

In addition, the purpose is to perform centralized management and control by controlling communication from an operating device to switch between prohibition and acceptance of operations (settings).

[Means to solve the problem]

Therefore, in the invention of claim 1, the main operating means;
a control terminal connected to the load and connected to the main operating means via a transmission line; and an operating terminal equipped with a control switch and connected to the main operating means and the control terminal. and transmits a control signal from the main operation means to the control terminal, and transmits a signal indicating the open/closed state of the control switch from the operation terminal to the main operation means, and controls the control switch. A load control system that controls a load connected to a predetermined control terminal via the main operating means depending on an open/closed state, wherein the main operating means accepts an operation input from the operating terminal, or The above objective is achieved by a load control system comprising a switching means for switching between prohibiting and prohibiting.

In addition, in the invention of claim 2, a plurality of devices as claimed in claim 1
The main operating means as described in claim 1, and a central management means that makes it possible to centrally manage and operate the plurality of main operating means, the main operating means and the central management means as described in claim 1. is a load control system connected through different transmission lines, wherein the main operation means includes a switching means for accepting or prohibiting an operation from the central management means. This aims to achieve the above objective.

[Effect]

The load control system according to the invention according to claim 1 transmits a control signal from the main operation means to the control terminal, and also transmits a signal indicating the open/closed state of the control switch from the operation terminal to the main operation means, and performs control. A load connected to a predetermined control terminal is controlled via the main operating means when the switch is opened or closed. In this case, the switching means included in the main operating means accepts the operating power from the operating terminal, or
Switch to either or prohibit.

Further, the load control system according to the invention according to claim 2 is characterized in that the switching means included in the plurality of main operating means,
Switching is made to either accept or prohibit operation input from the central management means that centrally manages and operates the main management means.

〔Example〕

Hereinafter, four embodiments of the present invention will be described based on the drawings.

First, a first embodiment of the present invention will be described using FIGS. 1 to 4 of the drawings.

FIG. 1 is a block diagram showing the configuration of a first embodiment of a load control system (apparatus) according to the present invention, and the same or equivalent components as in FIG. 9 of the conventional example are denoted by the same reference numerals. , some of the explanations will be repeated.

21 is an input switch for operating the main operation panel 8, which is the main operation means A; 22 is a numeric keypad for manually inputting numbers; and 20 is for displaying the operation details of the main operation panel 8 and the manual switches. The display devices 3a and 3b are each control terminals, and the load, for example, the control terminal 3a is a lighting device 5a.

5b, 5c, and 5d, and control terminal 3b.
The lighting devices 5e, 5f, 5g, and 5h are connected to the main operating means A via the transmission line 2. Reference numeral 7 denotes an operation terminal, which includes a control switch 14 and a main operation means A.
and the control terminals 3a and 3b, respectively. B is a switching means, which is composed of the main operating means A,
This is a means (details will be described later) for switching between accepting or prohibiting manual operation from the operating terminal 7.

FIG. 2 shows the prohibition of operations on the main operation panel 8 of the first embodiment.
Figure 3 is a chart showing the state change due to the operation of the main operation panel 8 when the reception switching means B becomes the reception desk. The prohibition/acceptance switching means Bb<, is a chart diagram showing the state change accompanying the operation of the main operation panel 8 when it is prohibited, and FIG. 4 is a diagram of the main operation panel 8 of the first embodiment 5 is a flowchart showing the flow of control.

First, in the first embodiment, the operation when prohibition/acceptance of operation is changed to acceptance will be explained using FIGS. 1 and 2.

In Figure 1 of the drawings, when attempting to operate the lighting equipment 5a connected to the control terminal 3a (this circuit is hereinafter referred to as circuit 1), in Figure 2a, under the display "Operation" When the switch 21a is operated, the display contents on the display device 20 (FIG. 1) become as shown in FIG.

Then, in order to operate the circuit 1, when the switch 21a and the numeric keypad 22 under the display "Circuit" are operated, the display contents on the display device 20 become as shown in FIG. 2C.

If you want to turn off this circuit 1, operate the switch 21b under the display ``off'', and the display device 20
The display contents are as shown in FIG.
Send a control command to a.

The above operation control is shown in Fig. 4. In step 4-2, switch data is input, in step 4-3 it is determined whether the operation is accepted or prohibited, and since the operation is accepted, the process proceeds to step 4-4, and the human data is input. Send. The other steps will be explained later.

Next, in the first embodiment, the operation when the prohibition/acceptance of the operation is prohibited will be explained using FIGS. 1 and 3.

In FIG. 1 of the drawing, when an attempt is made to operate the lighting equipment 5a of the circuit 1, in FIG. The contents will be as shown in Figure 3, and the operation request will be rejected.

The above operation control is shown in Fig. 4. In step 4-2, switch data is entered manually, and in step 4-3, operation is accepted/
Prohibition is determined, and from b), which is prohibited, the process proceeds to step 4-5, where a prohibition display (operation) is displayed.

Next, a second embodiment of the present invention will be described with reference to FIGS. 4 and 8.

In this second embodiment, a plurality of main operation panels, which are main operation means A, are connected via a transmission line, and a central control panel, which is a central control means C, that centrally manages and operates the main operation panels is connected to the transmission line. (Figure 5).

First, in the second embodiment, the operation when the prohibition/acceptance of operations from the central control panel on the main operation panel is changed to acceptance will be described with reference to FIG.

In FIG. 5 of the drawing, an operation request for a control terminal from the central management panel 30 is transmitted to the corresponding main operation panel (reference numeral 5-1). The main operation panel transmits a control command to the control terminal (5-2) and also transmits an operation completion response to the central management panel (5-3).

The above operation control is shown in FIG. 4. In step 4-1, data from the central control panel is input, in step 4-3 it is determined whether the operation is accepted or prohibited, and since it is acceptable, step 4-4
Proceed to and submit the input data.

Next, in the second embodiment, the operation when the main operation panel prohibits/receives operations from the central control panel or is prohibited will be explained using FIG.

In Figure 6 of the drawing, an operation request for a control terminal from the central management panel is sent to the corresponding main operation panel (
Code 6-1). The main operation panel transmits an operation prohibition response to the central control panel (6-2).

The above operation control is shown in Figure 4. In step 4-1, the data from the central control panel is input manually, in step 4-3 it is determined whether the operation is accepted or prohibited, and since it is prohibited, the process proceeds to step 4-5. , displays a prohibited display (operation).

Next, a third embodiment of the present invention will be described using FIG. 7.

In this third embodiment, the central management means sets a combination of an operation terminal and a control terminal, and transmits the setting to the main operation means, and the main operation means receives the setting data and has already received the setting data. The means for updating the held setting data and the main operating means are configured by means that can be switched to either accept or prohibit the update based on the received setting data.

With the above configuration, when setting the combination of operation terminal and control terminal on the central management panel and managing the setting data on the main operation panel, prohibition/acceptance of settings on the main operation panel is required. The operation when is in the reception mode will be explained using FIG. 7.

When settings are made on the central control panel, the setting data is transmitted to the corresponding main operation panel (reference numeral 7-1). The main operation panel confirms that it is in the setting acceptance state, stores the setting data, and transmits a setting response to the central control panel (7-2).

The above operation control is shown in FIG. 4. In step 4-6, it is determined whether the setting is accepted or prohibited, and since it is accepted, step 4
-Proceed to step 7 to update the settings.

Next, in the third embodiment, when setting the combination of the operation input terminal and the control terminal as described above on the central management panel and managing the setting data on the main operation panel,
The operation when prohibition/acceptance of settings on the main operation panel is prohibited will be explained using FIG. 7.

In FIG. 7 of the drawing, when settings are made on the central control panel, the setting data is transmitted to the corresponding main operation panel (reference numeral 7-3).

The main operation panel confirms that the setting is prohibited, and transmits a setting prohibition response to the central control panel (7-4).

The above operation control is shown in FIG. 4. In step 4-6, it is determined whether the setting is accepted or prohibited, and since it is prohibited, step 4
Proceed to -8 and perform prohibition processing (setting).

Next, a fourth embodiment of the present invention will be described using FIG. 8. In this fourth embodiment, in the third embodiment, the switching means for switching the main operating means to either accept or prohibit updating is controlled by communication from a device other than the main operating means. In this fourth embodiment, the operation when switching between prohibition and acceptance of operations and settings is performed from the central control panel will be described with reference to FIG.

In Figure 8 of the drawing, when you want to change the prohibition of operation (setting)/switching of reception to reception from the central control panel, the central control panel sends a command to request acceptance of operation (setting) to the corresponding main operation panel. (Symbol 8-1). This operation (
The main operation panel receives the reception request command for operation (setting).
setting) is switched to reception, and an operation response is sent to the central control panel (reference 8-2).

At this time, if necessary, switching can be restricted to users other than specific users by adding a password or the like to the operation (setting) acceptance request command.

Further, when switching between prohibition of operation (setting)/acceptance is prohibited, a prohibition request command is transmitted from the central control panel to the corresponding main operation panel (reference 8-3). This operation (
The main operation panel receives the command to prohibit the operation (setting).
setting) is switched to prohibited, and an operation response is sent to the central control panel (code 8-4).

By configuring the switching means to switch between prohibiting and accepting operations as described above, when you want to prioritize schedule control or manual control on the main operation panel over control from other devices, you can prohibit operations from other devices. By setting this to the state, control on the main operation panel can be prioritized. Also,
If the operation from the operation terminal is accepted, the control terminal can be controlled to a desired state by accepting the operation from the operation terminal. In addition, since we have made it possible to switch between prohibition and acceptance of this operation via communication, it has become possible to switch the control priority order from other than the main operation panel.

In addition, the main operation panel is configured to be able to switch between prohibiting and accepting settings, and the central control panel and other main operation panels can also switch between prohibiting and accepting settings, thereby ensuring the safety of the system.

In addition, switching between prohibition and acceptance of operations (settings) can be performed through communication control from a central control panel, allowing for centralized management and control.

(Effects of the Invention) As explained above, according to the present invention, by switching between prohibition and acceptance of operations in the main operation means, it is possible to manage the priority order of the human-operated equipment, and also to control operations from other than the main operation means. This has the effect of being able to switch control priorities.

In addition, by being able to switch settings between prohibition and acceptance,
This has the effect of ensuring control safety.

Furthermore, since switching between prohibition and acceptance of operations (settings) can be performed by communication control from an operating device, etc., there is an effect that centralized management and control can be performed.

[Brief explanation of drawings]

FIG. 1 is a block diagram showing a first embodiment of the load control system according to the present invention, and FIGS. 2 and 3 are chart diagrams showing changes in display contents on the main operation panel 8 shown in FIG. , FIG. 4 is a flowchart showing the flow of processing in the main operation panel 8 of FIG. 1, and FIGS. FIG. 9 is a block diagram of the first conventional load control system, and FIGS. 1O and 11 show changes in the display contents on the main operation panel 1 in FIG. 12 is a block diagram showing the internal configuration of the load control system of the second conventional example, FIG. 13 is a flowchart showing the operation of the second conventional example of FIG. 3 is a table showing driving conditions for the relay diagram in the figure. A...Main operation means B...Switching means C...Central management means 8...Main operation panel 2...Transmission line 3. . . . Control terminal 5 . . . Lighting equipment 7 . . . Operation terminal 14 ----- Operation switch 20 of the operation terminal
----- Main operation panel display device 21 ----- Main operation panel operation switch 22...
-・Numeric keypad on main operation panel In the figures, the same symbols indicate the same or equivalent parts. Figure Mouth Mouth Mouth Mouth Loroco Figure Mouth Mouth Mouth Mouth Loroco Figure 10 Figure Mouth Mouth Mouth Mouth Loroco Figure Figure 11 Figure Mouth Mouth Mouth Mouth Loroco Figure 12

Claims (2)

[Claims] (1) A main operating means, a control terminal connected to a load and connected to the main operating means via a transmission line, and a control switch connected to the main operating means and the control terminal. a control terminal, and transmits a control signal from the main operating means to the control terminal, and sends a signal from the operating terminal to the main operating means indicating the open/closed state of the control switch. and controlling a load connected to a predetermined control terminal via the main operating means according to the open/closed state of the control switch, wherein the main operating means transmits a signal from the operating terminal to a predetermined control terminal. 1. A load control system comprising a switching means for accepting or prohibiting an operation input. (2) A plurality of main operating means according to claim 1, and a central management means that enables unified management and operation of the plurality of main operating means, wherein the main operating means and the central The management means is a load control system connected by a transmission line different from that described in claim 1, and the main operation means is a switch for switching between accepting or prohibiting operations from the central management means. A load control system comprising: means.