JP2967877B2 - Lighting control system - Google Patents

Description

Description: TECHNICAL FIELD The present invention relates to a lighting control system that remotely controls a plurality of lighting loads.

2. Description of the Related Art Conventionally, a lighting control system of this type for remotely controlling a plurality of lighting loads has a central controller, a plurality of monitoring terminals for setting a unique address and monitoring a switch, and a unique address. A plurality of control terminals for controlling the lighting load are connected by a pair of signal lines, and each terminal is accessed from the central control device to perform time division multiplex transmission of switch monitoring data and lighting load control data. Had become.

Also, when it is necessary to change the illumination according to the scene (scene), that is, in the morning, noon, evening, and night illumination adjustment of the store illumination, and the illumination adjustment when using the projection device (OHP, 8 mm, etc.) in the conference room. As a countermeasure for performing the above, a scene control switch is provided, and a data memory for storing control data of a plurality of lighting loads corresponding to the scene control switch is provided in the central control device, and a plurality of lighting loads are operated by switching. There has been an apparatus in which on / off control is collectively performed in a predetermined pattern to perform illumination optimal for a scene.

[Problems to be Solved by the Invention] However, in the above-described conventional example, since the lighting load is simply controlled to be turned on and off in a predetermined pattern, fine lighting control corresponding to each scene cannot be performed. There was a problem.

The present invention has been made in view of the above points, and an object of the present invention is to provide a lighting control system capable of performing fine lighting control corresponding to each scene.

[Means for Solving the Problems] A lighting control system according to the present invention includes a central control device, a plurality of monitoring terminals for setting a unique address and monitoring a switch, and a plurality of monitoring terminals for setting a unique address and controlling a lighting load. In a lighting control system in which the control terminals are connected by a pair of signal lines, and each terminal is accessed from the central control unit to perform time-division multiplex transmission of switch monitoring data and lighting load control data. On / off control data of lighting loads for all control terminals and dimming control data of lighting loads for dimming control terminals are stored as pattern control data of one scene corresponding to a switch for scene control. A data memory consisting of an EEPROM
ON / OFF of a plurality of lighting loads by transmitting pattern control data composed of ON / OFF control data and dimming control data read from the data memory in response to a switch operation for scene control to a predetermined control terminal, The central control device is provided with a scene control means for turning off and dimming.

A lighting control system according to a second aspect of the present invention corresponds to a data memory for storing on / off control data and delay-off time data of a plurality of lighting loads corresponding to a scene control switch as pattern control data, and a switch operation. The central control unit is provided with a scene control means for transmitting control data read from the data memory to a predetermined control terminal to turn on / off and delay off a plurality of lighting loads.

[Operation] The present invention is configured as described above, and turns on / off control data of lighting loads on all control terminals and data for dimming as pattern control data of one scene corresponding to a switch for scene control. Data memory consisting of an EEPROM that stores the dimming control data of the lighting load for the control terminal of the camera, and on / off control data and dimming control data read from the data memory in response to a switch operation for scene control The central control unit is provided with a scene control means for transmitting a pattern control data comprising a predetermined control terminal to turn on / off and dimming a plurality of lighting loads in a central control device, and operate a scene control switch. When performing pattern control, the dimming control can be performed in addition to turning on and off the lighting load. So that the lighting control can be performed.

Further, the lighting control system according to claim 2 stores on / off control data and delay-off time data of a plurality of lighting loads corresponding to a scene control switch in a data memory as pattern control data, and responds to a switch operation. Scene control means for transmitting control data of the lighting load formed based on the pattern control data read from the data memory to a predetermined control terminal to turn on, off and delay off a plurality of lighting loads. It is provided in the central control unit, and when performing pattern control by operating a scene control switch, it is possible to perform delay off in addition to turning on and off the lighting load, so it corresponds to each scene This enables fine-grained lighting control.

EXAMPLES Figure 1 is schematically shows the structure of the present invention one embodiment, the central control unit 1, a unique address is set switches S ₁ ~
S ₄ and a plurality of monitoring terminal device 2 for monitoring a lighting load, a load such as air conditioning equipment L ₁ ~L ₄ more control terminal unit 3 for controlling the wireless relay terminal unit 7, the external interface terminal unit 8 And the pattern setting terminal 9 are connected by a pair of signal lines 4.
As shown in FIG. 2 (a), the transmission signal Vs sent to the terminal calls the start pulse signal ST indicating the start of signal transmission, the mode data signal MD indicating the signal mode, and the terminals 2, 3, 7 to 9. address data signal AD for transmitting 8-bit address data, control data signal CD for transmitting the control data for controlling the load L ₁ ~L _4, return from the check sum data signal CS and the terminal device 2,3,7～9 It is a multi-pole (± 24V) time-division multiplexed signal consisting of a return standby signal WT for setting the period,
Data is transmitted by pulse width modulation. Each of the terminals 2, 3, 7 to 9 takes in control data of the transmission signal Vs when the address data of the transmission signal Vs received via the signal line 4 and the own unique address data match, and transmits the data. The monitor data signal is returned as a current mode signal (a signal transmitted by short-circuiting between the signal lines 4 via a suitable low impedance) in synchronization with the return standby signal WT of the signal Vs. The central control unit 1 further includes a dummy signal transmitting unit that constantly transmits a dummy transmission signal in which the mode data signal MD is set to the dummy mode;
When an interrupt signal Vi as shown in FIG. 2B returned from any of the monitoring terminal 2 or the wireless relay terminal 7, the external interface terminal 8, and the pattern setting terminal 9 is received, Interrupt generation terminal 2,7
And an interrupt processing means for detecting the data No. to No. 9 and accessing the terminals 2, 7 to 9 to return the monitoring data. The central control unit 1 also uses the monitoring data returned to the central control unit 1 from the monitoring terminal 2 or the wireless relay terminal 7, the external interface terminal 8, and the pattern setting terminal 9 as described above. And creates control data to be transmitted to the control terminal 3 for controlling the corresponding loads L _{1 to} L ₄ , and transmits the control data to the control terminal 3 via the signal line 4 by time division multiplexing. Load L ₁
So as to control the ~L _4.

The wireless relay terminal 7 includes an optical wireless transmitter Y,
A terminal for relaying data of an optical wireless system composed of an optical wireless receiver X and a wireless signal line 4a. The optical signal transmitted from the optical wireless transmitter Y is received by the optical wireless receiver X and received. The received data is received via the wireless signal line 4a, and the data is transferred to the central controller 1. The external interface terminal 8 is connected to an external control device 8a.
The pattern setting terminal 9 is a terminal that transfers pattern control data input from the data input unit 9a to the central control device 1. The monitoring terminal 2 and the control terminal 3 disposed in the distribution panel 6 or the relay control panel 6a have a distribution panel agreement size, and the control output thereof controls the remote control relay for load control. (Latching relay that can be turned on and off also by a hand switch) 5 is controlled.

FIG. 3 is a block diagram showing a schematic configuration of the central control unit 1, in which a signal transmitting / receiving unit 10 and an arithmetic processing unit 1 comprising a CPU are shown.
1, a data memory 12 composed of an EEPROM, and a frequency detector 1
3, a power supply circuit 14, and a power supply transformer 15. Here, the data memory 12 has a pattern control comprising on / off control data and dimming control data for a plurality of lighting loads L ₁ , L _2, ... Corresponding to the scene control switches S ₁ , S ₂ ,. The data is stored, and the arithmetic processing unit 11
When the operation of the switches S ₁ , S ₂ … is detected, the pattern control data corresponding to the switches S ₁ , S ₂ … is read from the data memory 12 and the lighting loads L ₁ , L ₂ … are turned on. ,
The control terminal 3 that controls the lighting loads L ₁ , L _2, ... Through the signal transmitting / receiving unit 10 for the off control data and the dimming control data.
To be transmitted. FIG. 4 shows an example of pattern control data corresponding to one scene. In the illustrated example, for ON / OFF type lighting loads of 64 channels, only ON / OFF control data is stored. For a dimming type lighting load of a channel, on / off control data and dimming control data are stored as pair data.

Hereinafter, the operation of the embodiment will be described. Now, when the switches S ₁ , S _2, ... For scene control are operated, operation data is returned to the central controller 1 via the monitoring terminal 2, and the arithmetic processing unit 11 of the central controller 1 Data memory
On / off control or dimming control is performed on a plurality of lighting loads L ₁ , L ₂ ,. Here, scene control switches S ₁ , S ₂ ......
Is operated, light control is performed for each scene based on light control data set in advance. Therefore, light control for store lighting according to the surrounding brightness, conference Lighting control corresponding to each scene, such as dimming control of a room, can be performed more finely than a conventional example in which only on / off control of the lighting loads L ₁ , L _2, ... Is performed.

FIG. 5 shows another embodiment. In a lighting control system similar to the above embodiment, a plurality of lighting loads L ₁ corresponding to scene control switches S ₁ , S ₂ ... , L _2, ..., L _2, ..., L _2, ..., And lighting loads L ₁ , L ₂ formed based on the pattern control data read from the data memory 12 in response to the switch operation. The central control unit 1 is provided with scene control means for transmitting control data of... To a predetermined control terminal 3 to turn on, off and delay off a plurality of lighting loads L ₁ , L _2. is there.

Now, in the data memory 12, each of the scenes switch S _1, S ₂
Multiple lighting loads that are turned on or off in response to ...
The on / off control data of L ₁ , L _2, ... And the delay off data are stored. By appropriately setting the delay off data, a specific lighting load L ₁ , L ₂ ... Can be turned off, and fine lighting control corresponding to each scene such as when leaving the office or when going to bed can be performed. For example, when the switch for turning off all lights is turned off to turn off all lights when leaving the company, if the lighting at the entrance and exit is turned off for about 30 seconds, it will not be confused because it will be dark, while at bedtime By turning off the bedside lighting after a certain period of time (for example, 30 minutes) when operating the simultaneous off switch, the minimum required lighting can be secured at bedtime, and automatically turned off after bedtime As a result, power saving can be achieved.

FIGS. 6 and 7 show another embodiment. In a remote monitoring control system similar to the above-mentioned lighting control system, the central control unit 1 sends each terminal 2, 3 to the power-on embodiment.
...... sends out a transmission signal Vs sequentially accessed, and interference detection means for detecting the interference of the return signals V _B that is returned from the terminal unit 2, 3 ..., a plurality of terminal unit when the interference is detected The central control unit 1 is provided with a duplicate address display means for displaying unique addresses set in duplicate in 2, 3,.... In the embodiment, the central control device 1 includes a signal transmission / reception unit 10, an arithmetic processing unit 11, an abnormality detection unit 16, an abnormality display unit 17, and a power supply circuit 15. performs interference detection reply signal V _B, and performs the short-circuit detection signal line 4. The abnormality display section 17 is formed of a seven-segment two-digit numeric display element (light emitting diode) 17a for displaying a duplicate address and a short-circuit display light-emitting diode 17b that is turned on when a short-circuit of the signal line 4 is detected. And is provided on the upper surface of the case 20 of the central control device 1. In the figure, 21 is a power supply connection terminal, and 22 is a signal line connection terminal.

Now, the operation processing unit 11 accesses the respective terminal units 2, 3 ... at the time of power-on to check the return signal V _B from the terminal unit 2 ......, when interference detection of the return signal V _B The unique address is displayed on the numeric display element 17a for displaying a duplicate address, and when a short circuit is detected, a light emitting diode for displaying a short circuit
17b is turned on. Therefore, it is automatically checked when the power is turned on whether or not the unique addresses set in the terminals 2, 3,... Are duplicately set. Since it is displayed, the operation check operation during construction can be automatically performed when the power is turned on, and the construction can be performed easily.

[Effects of the Invention] The present invention is configured as described above, and turns on / off control data of lighting loads on all control terminals and dimming as pattern control data of one scene corresponding to a scene control switch. Data memory consisting of an EEPROM that stores dimming control data of the lighting load for the control terminal for lighting, and on / off control data and dimming control read from the data memory in response to a switch operation for scene control A central control device is provided with a scene control means for transmitting pattern control data composed of data to a predetermined control terminal to turn on and off a plurality of lighting loads and dimming, and a switch for scene control is provided. When performing pattern control by operating, the dimming control can be performed in addition to turning on / off the lighting load. There is an effect that fine lighting control can be performed.

Further, the lighting control system according to claim 2 stores on / off control data and delay-off time data of a plurality of lighting loads corresponding to a scene control switch in a data memory as pattern control data, and responds to a switch operation. Scene control means for transmitting control data of the lighting load formed based on the pattern control data read from the data memory to a predetermined control terminal to turn on, off and delay off a plurality of lighting loads. It is provided in the central control unit.When pattern control is performed by operating a switch for scene control, dimming control can be performed in addition to turning on and off the lighting load. There is an effect that corresponding fine lighting control can be performed.

[Brief description of the drawings]

FIG. 1 is a schematic configuration diagram of one embodiment of the present invention, FIG. 2 is an explanatory diagram of the operation of the above, FIG. 3 is a block circuit diagram of an essential part of the same, FIG. FIG. 6 is an explanatory view of a main part of another embodiment, FIG. 6 is a perspective view of a main part of still another embodiment, and FIG. 7 is a block diagram of a main part of the embodiment. 1 is a central control unit, 2 is a monitoring terminal, 3 is a control terminal, and 4 is a signal line.

Claims (2)

(57) [Claims] 1. A central control device, a plurality of monitoring terminals for setting a unique address and monitoring a switch, and a plurality of control terminals for setting a unique address and controlling a lighting load on a pair of signal lines. In a lighting control system in which each terminal is accessed from a central control unit to transmit switch monitoring data and lighting load control data in a time-division multiplexed manner, one corresponding to a switch for scene control is used.
A data memory consisting of an EEPROM that stores on / off control data of lighting loads for all control terminals and dimming control data of lighting loads for dimming control terminals as scene pattern control data, and scene control. Pattern control data consisting of on / off control data and dimming control data read from the data memory in response to a switch operation for a predetermined control terminal to turn on and off a plurality of lighting loads; A lighting control system, wherein a scene control means for performing light control is provided in a central control device. 2. A central control unit, a plurality of monitoring terminals for setting a unique address and monitoring a switch, and a plurality of control terminals for setting a unique address and controlling a lighting load, on a pair of signal lines. In a lighting control system in which each terminal is accessed from a central control unit to transmit switch monitoring data and lighting load control data in a time-division multiplex manner, a plurality of lights corresponding to scene control switches are provided. A data memory for storing load on / off control data and delay off time data as pattern control data, and a lighting load control data formed based on the pattern control data read from the data memory in response to a switch operation Central control of the scene control means for turning on, off and delaying off multiple lighting loads by transmitting Lighting control system, characterized in that provided in the location.