JPS62105395A - Lighting control system - Google Patents

Abstract

(57) [Summary] This bulletin contains application data before electronic filing, so abstract data is not recorded.

Description

DETAILED DESCRIPTION OF THE INVENTION [Field of the Invention 1] The present invention relates to a lighting control system, and particularly to a lighting control system that automatically remotely controls lighting equipment in a studio or the like based on preset pattern information.

[Prior Art] Conventionally, there have been devices for controlling the height of lighting equipment in studios, etc. (Utility Model Publication No. 46-469, Japanese Utility Model Publication No. 46-30400), and methods for controlling the posture of lighting equipment such as horizontal angle and elevation angle. Jitko No. 48-36777, Jitko No. 48-30716
No.), Monokujitsu Kosho 39-2, which controls the light distribution of lighting equipment.
5786, Japanese Utility Model Publication No. 44-29513), lighting control devices that enable single or two types of control have been proposed.

These devices control the operation of a drive device such as an electric motor manually or by remote operation, and perform the above-mentioned respective controls.

Furthermore, lighting control devices have been proposed that easily realize multiple types of control by time-division multiplexing transmission of multiple types of control signals to the lighting device and by using a small number of control lines.

[Problems to be Solved by the Invention] However, in these conventional types, when changing the lighting pattern, a plurality of lighting fixtures must be individually controlled, and a large number of control lines are required. , or the lighting device could only travel in a straight line.

In view of these problems with the conventional type, the present invention provides a lighting control system used in studios etc. that can automatically move to any position along a plurality of coordinate axes based on preset pattern information. The purpose is to

[Means for Solving the Problems] The present invention provides a running path arranged in mutually different directions, for example, an X-axis and a Y-axis direction, and a lighting device provided so as to be able to run along this running path. It is equipped with a command device that transmits a control command to the lighting device, and an address sensor that detects the position of the lighting device, and the command device detects the position based on preset pattern information and the position detection signal from the address sensor. The present invention is characterized in that the created control commands are sequentially input to the lighting devices, thereby automatically setting the arrangement of the lighting devices, etc.

[Function] In the means configured in this way, the command device uses preset pattern information and the position detection signal from the address sensor to determine the necessary operation for the lighting device and creates a desired control command. . This control command is then transmitted to the lighting device, and the lighting device moves to a desired position in accordance with this control command, and position setting is automatically performed. Furthermore, travel paths are provided, for example, on both the X-axis and the Y-axis, making it possible to move the illumination device to any desired position along each of these axes.

[Example code] Hereinafter, the present invention will be explained in detail with reference to the drawings.

FIG. 1 schematically shows a lighting control system according to an embodiment of the present invention. The system shown in the figure includes running rails 1 and 2 forming a running path, a turntable 3, a command device 4, and an address sensor 5. The traveling rails 1 and 2 are suspended from, for example, a ceiling (not shown), and are provided in plural in the X-axis direction and in the Y-axis direction, respectively. In the example shown in the figure, m running rails 1 are provided, Xl, X2, X3, -, Xm, and m running rails 2 are provided, Yl, Y2, Y3, -, Y.
n pieces are provided. Turntables 3 are provided at the intersections of the respective running rails as necessary.

Each running rail 1, 2 is provided with a lighting device (not shown) so that it can run. The turntable 3 is used by the illumination device to change the direction of these traveling paths from the horizontal direction to the vertical direction or vice versa. The command device 4 includes, for example, a power control section 4-1 that controls the power supplied to the lighting device, a transmission control section 4-2 that exchanges control commands with the lighting device, and an address that detects the address of the lighting device. It has a control section 4-3 and an operation section 4-4 for inputting pattern information and the like. Various address sensors can be used as the address sensor 5, but for example, a resistance wire is provided along each running rail 1.2 as shown by the dotted line in FIG. The position of the lighting device may be determined from the change in resistance value caused by short-circuiting. Further, as the power supply line for supplying power to the lighting device and the transmission line for transmitting control commands, for example, each traveling rail 1.2 may be shared, or a dedicated line may be provided.

In the system shown in FIG. 1, a control command is transmitted from the transmission control section 4-2 to the lighting device based on pattern information inputted in advance from the operation section 4-461.

In response to this control command, each lighting device performs traveling operation along the rails 1 and 2, lifting operation in the height direction, that is, the Z-axis direction, posture control operation of the lighting equipment, light distribution control operation, and dimming control. Actions, etc. are performed. Further, as the control command, a plurality of types of control signals are superimposed in a time-separate manner in order to perform these various types of control.

Further, when controlling the position of a lighting device, the position of the lighting device is detected by the address sensor 5, and a control command is created using this position detection information.

Then, a plurality of types of pattern information are stored in advance in a memory device provided in any part of the command device 4,
Based on this pattern information, for example, the lighting device can be automatically set to a desired pattern for each program.

In other words, the location of each piece of equipment in the studio is determined in advance according to its purpose, and the position of each piece of equipment is stored as a pattern, including information such as the posture and dimming control information, and the status of each piece of equipment is determined in accordance with these patterns for each program. By regenerating the material, preparation time can be shortened and labor can be saved.

FIG. 2 shows an example of an electric circuit etc. used in the system etc. of FIG. 1. In the figure, reference numeral 6 denotes a command device that time-division multiplex transmits a traveling control signal, a lighting fixture elevation control signal, an attitude control signal, a light distribution control signal, and a dimming control signal to the lighting device. In this embodiment, an input device 7 for inputting an illumination pattern in advance;
I10 controller 8 that controls input from the input device 7, storage section 9 that stores input data from the input device 7, main CPIJ1
0, a display unit 11 that displays the position of each lighting device, a CRT controller 12 that controls the display unit 11, a high-speed transmission unit 13 that transmits and receives data from the storage unit 9 at high speed, and a signal between this high-speed transmission unit 13 and The control section 14 includes another high-speed transmission section 14 that transmits and receives signals, a control section 15, a low-speed transmission section 16 that is controlled by the control section 15 and transmits signals at a relatively low speed, an initial position control circuit 17, and a buffer amplifier 18. Also,
Reference numeral 19 denotes a two-wire signal line as a medium-speed transmission line. In this embodiment, high-speed transmission and reception is performed between the high-speed transmission section 13 and the low-speed transmission section 16, and transmission and reception is performed at a lower speed between the low-speed transmission section 16 and the lighting device mentioned above. The low-speed transmission section 16 is provided, for example, for each row of the travel path.

Next, the control device 20 in the lighting device will be explained. The lighting equipment includes a lighting fixture, its position, height,
A control device 20 is provided to control posture, light distribution, dimming, etc. As shown in FIG. 2, the control device 20 includes a travel control section 30, an elevation control section 40, an attitude control section 50, and a dimming control section 7.
0, a receiving section 80 is provided which receives signals from the command device 6 and controls the operation of each of these control sections. The travel control unit 30 includes an electric motor 31, a drive unit 32 that drives the electric motor, a control unit 33 that controls the drive unit, a detection unit 34 that detects the travel distance, and a detection unit 34 that controls the control according to a detection signal from the detection unit 34. It has a comparison section 35 that controls the section 33, a safety sensor 36, and a manual operation section 37. Further, the lift control section 40 uses an electric motor 41, and this electric i! IJli41 drive unit 4
2. A control section 43 that controls the drive section 42, a detection section 44 that detects the height distance, a comparison section 45 that controls the control section 43 according to the detection signal of the detection section 44, and a safety sensor 4.
6 and a telescopic pipe 47 (not shown).

The attitude control section 50 controls, for example, the horizontal angle and elevation angle of the lighting equipment, and includes electric motors 51 and 52, a drive section 53, a control section 54, a transmission control section 55, and a manual operation section 5.
6. Has a safety circuit 57. Note that the posture control unit 50
It is also possible to include a light distribution control section, and the light distribution control section changes the light distribution by moving the light source or shutter in the lighting equipment.

Further, the dimming control section 70 includes a phase control section 71 including a thyristor, a pulse generation section 72 that applies a gate signal to the phase control section 71, and a control section that applies a dimming signal to the pulse generation section 72. It has 13.

In this embodiment, the phase control section 71 includes two circuits of output adjustment thyristors and the like in order to change the brightness of the light source in the lighting equipment. The receiving section 80 also includes a processing section 82 for controlling the operation of the transmission control section 81, the travel control section 30, the elevation control section 40, the attitude control section 50, the dimming control section 70, etc., a buffer 83, and a buffer 83. A transmission control unit 84 is provided for transmitting signals via the transmission line.

In the circuit shown in FIG. 2, in the command device 6, the main CPU 10 issues control commands based on pattern information input from the input device 7 and stored in the storage section 9, and device detection information constituted by an address sensor (not shown). and send it to the transmission line 19.

Based on this control command, the travel control section 30 controls the travel motor 3.
1 to control the position of the lighting device, and the elevation control section 40 uses a height motor 41 to adjust the height of the lighting device. Furthermore, in the posture control section 50, the control section 5
4. Angle control of the lighting equipment is performed by the drive unit 53, each electric motor 51, 52, etc.

Further, in the dimming control section 70, the brightness of the lighting equipment is adjusted based on the dimming data included in the control command. Note that the control device 20 in each lighting device is
The address information included in the control command sent from the command device 6 is detected, and only when this address information corresponds to its own address, the control command is read and each control section is controlled. This allows each of the plurality of lighting devices to be controlled as required. That is, each lighting device moves to a predetermined distance β according to preset pattern information and the like, and its height, posture, light distribution, and light amount are controlled. Further, it is also possible to finely adjust the state of each lighting device using each manual operation section 37 and 56 and a remote controller (not shown).

FIG. 3 shows an example of a studio to which a lighting control system according to the present invention is applied. In the figure, a plurality of lighting devices 102, ie, single-point lighting machines, are arranged on a traveling rail 101. Further, 103 is a turntable, which is provided at both ends of the running rail 101 in the figure, but these can also be provided at the intersection of the running rails, etc., as shown in FIG. Each lighting device 102 includes a lighting device 104, a lifting vibrator 105, a control device 106, and a curl cable 107 that connects the control device 106 and the lighting device 104. Further, 108 is a lighting baton, 109 is a floor surface, and 110 is a ceiling surface.

FIG. 4 is a plan view taken along line AA in FIG. 3, and the same reference numerals are used for the same parts as in FIG. 3. In addition, the traveling rail 101 and the turntable 10
It is clear that the number and arrangement of the parts 3, etc. are not limited to those shown in FIG. 4, and can be of any configuration, such as that shown in FIG. 1, for example.

FIG. 5 shows a specific configuration of the lighting device. In this figure as well, the same reference numerals are used for the same parts as in FIG. 3. As is clear from FIG. 5, the lighting device is a lighting fixture 10.
4 and a control device part 106, both of which are connected by a lifting vibrator 107. Further, the control device portion 106 is configured to be able to travel along the travel rail 101. Further, within the control device section 106, a travel motor 31, a height motor 41, a processing section 82, a battery 111, etc. are provided.

[Effects of the Invention] As described above, according to the present invention, it is possible to position lighting devices at arbitrary positions along a plurality of coordinate axes based on preset pattern information, and to control the elevation and descent of each lighting device. , posture control, light distribution control, dimming control, etc. can be easily performed based on this pattern information. Therefore, by setting pattern information for each program in advance, it is possible to automatically change and set the lighting pattern in a short time, thereby shortening the preparation time and saving labor.

[Brief explanation of drawings]

FIG. 1 is a block circuit diagram showing an outline of a lighting control system according to an embodiment of the present invention, FIG. 2 is a block circuit diagram showing an electric circuit etc. used in the system etc. of FIG. 1, and FIG. 4 is a sectional view showing an example of a studio to which the lighting control system according to the present invention is applied, FIG. 4 is a plan view taken from line A-A in FIG. 3, and FIG. 5 is a system according to the present invention. 1 is an explanatory diagram showing an outline of a lighting device used for. 1.2: Travel path, 3: Turntable, 4: Command device,
4-1: Power control unit, 4-2: Transmission control unit, 4-3 Near address control unit, 4-4: Operation unit, 5 Near address sensor, 6: Command device, 20: Control device for lighting device, 30 : traveling control section, 40: elevation control section, 50: posture control section, 70
: dimming control section, 80: transmitting/receiving section.

Claims (1)

[Scope of Claims] 1. An illumination device having a running path arranged in different directions, a lighting fixture that is movable along the running path, and a control device that controls at least the position of the lighting fixture. the lighting device, a command device that sends a control command to the lighting device, and an address sensor that detects the position of the lighting device, and the command device detects preset pattern information and the position from the address sensor. A lighting control system characterized in that control commands created based on detection signals are sequentially input to the lighting device, and the control device automatically sets at least the position of the lighting device based on the control commands. 2. The system according to claim 1, wherein a plurality of said lighting devices are provided on said running path and are individually assigned addresses. 3. The command device time-division multiplex transmits at least one of a lighting equipment elevation control signal, an attitude control signal, a light distribution control signal, and a dimming control signal in addition to the travel control signal to the control device. A system according to claim 1 or 2.