WO2015119292A1 - Light adjusting system and large-scale light adjusting system - Google Patents

Light adjusting system and large-scale light adjusting system Download PDF

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Publication number
WO2015119292A1
WO2015119292A1 PCT/JP2015/053672 JP2015053672W WO2015119292A1 WO 2015119292 A1 WO2015119292 A1 WO 2015119292A1 JP 2015053672 W JP2015053672 W JP 2015053672W WO 2015119292 A1 WO2015119292 A1 WO 2015119292A1
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WIPO (PCT)
Prior art keywords
luminance
brightness
control
control unit
unit
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PCT/JP2015/053672
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French (fr)
Japanese (ja)
Inventor
洋治 椋田
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株式会社ステラージアＬｅｄ
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Publication of WO2015119292A1 publication Critical patent/WO2015119292A1/en

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    • H—ELECTRICITY
    • H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
    • H05B—ELECTRIC HEATING; ELECTRIC LIGHT SOURCES NOT OTHERWISE PROVIDED FOR; CIRCUIT ARRANGEMENTS FOR ELECTRIC LIGHT SOURCES, IN GENERAL
    • H05B47/00—Circuit arrangements for operating light sources in general, i.e. where the type of light source is not relevant
    • H05B47/10—Controlling the light source
    • H05B47/175—Controlling the light source by remote control
    • H05B47/18—Controlling the light source by remote control via data-bus transmission

Definitions

  • the present invention relates to a dimming system for a lighting device that illuminates a large area by area.
  • the sensor detects the lighting device in the area with the maximum brightness or the set brightness. It is configured to light up.
  • the corresponding lighting device is turned on and bright in an area where there is a person, but the lighting device is turned off and dark in an area where there is no person around. For this reason, the surrounding situation is not known, and there is a fear that the user may feel uneasy for safety or security reasons.
  • lighting devices in all areas are turned on without relying on sensors, areas without people are always illuminated, which leads to an increase in power consumption, which is not preferable from the viewpoint of energy saving. .
  • the lighting devices arranged in each area will not be driven and controlled due to a failure of the control device, etc. and will be turned off. For this reason, there is a possibility that visibility in each area cannot be secured in an emergency or the like.
  • the present invention can set the brightness of the lighting device for each of a plurality of areas with a simple configuration, and at the same time, if each control device has a failure or a power failure,
  • An object of the present invention is to provide a dimming system that is lit with brightness.
  • a light control system corresponds to a plurality of lighting devices arranged corresponding to a plurality of areas to be illuminated, and each corresponding lighting device connected thereto.
  • a plurality of terminal units for controlling the luminance of the lighting device, and a single control unit for controlling operations of the plurality of terminal units.
  • the control unit sends a control signal including a luminance instruction signal corresponding to the luminance of the lighting device set for each area to each terminal unit, and the plurality of terminal units correspond based on the control signal from the control unit.
  • the illumination device is caused to emit light with a predetermined luminance according to the luminance instruction signal.
  • each terminal unit causes the illumination device to emit light at the set luminance based on the control signal including the luminance instruction signal corresponding to the luminance set by the control unit, and illuminates the corresponding area.
  • the illumination device for example, a large area such as a gymnasium, a factory, a warehouse, or an office space extending over several floors is illuminated with the brightness set for each area. Therefore, illumination is performed with an optimum luminance for each area.
  • the dimming system may include a selection unit that selects a lighting device to be subjected to luminance adjustment, and a luminance adjustment unit that adjusts the luminance of the selected lighting device.
  • a selection unit that selects a lighting device to be subjected to luminance adjustment
  • a luminance adjustment unit that adjusts the luminance of the selected lighting device.
  • the dimming system may include switching means for switching between the batch adjustment mode and the individual adjustment mode.
  • the brightness adjusting means i) adjusts the set brightness of the lighting device selected by the selecting means when in the individual adjustment mode, and the control device including the brightness instruction signal corresponding to the adjusted set brightness is selected.
  • Ii) in the collective adjustment mode the brightness of a plurality of lighting devices is uniformly adjusted, and a control signal including a brightness instruction signal corresponding to the uniformly adjusted set brightness is sent to a plurality of control signals. It may be sent to the terminal unit.
  • the brightness of each lighting device is individually set in the individual adjustment mode, and all areas are illuminated with the same brightness in the collective adjustment mode.
  • the set brightness of the plurality of lighting devices is set to the set brightness set in the previous batch adjustment mode or after the switching. It is good also as the setting brightness
  • the setting brightness adjusted in the individual adjustment mode after switching the setting brightness of the lighting device selected by the selection means.
  • the set brightness of the remaining lighting devices may be set to the set brightness set in the batch adjustment mode before switching. According to this configuration, before and after switching to the individual adjustment mode, the brightness of each lighting device can be prevented from changing, and the set brightness of the selected lighting device can be adjusted.
  • the luminance adjustment unit may set the set luminance of the lighting device to be deselected as the set luminance set before deselection.
  • luminance of each illuminating device can be adjusted separately by selecting each illuminating device sequentially by a selection means.
  • the dimming system according to the present invention may further include a sensor that detects the presence of a person or the like in an area to be illuminated by each lighting device and sends a detection signal to a corresponding terminal unit.
  • the control unit may include sensor mode setting means for setting sensor mode information for each area to be illuminated.
  • the brightness adjusting means may add the sensor mode information set by the sensor mode setting means to a control signal including a brightness instruction signal and send it to each terminal unit.
  • the terminal unit When the sensor mode information is in the off mode and the sensor mode information is in the on mode and there is no detection signal from the corresponding sensor, the terminal unit causes the corresponding lighting device to emit light at the set brightness, and ii) When the sensor mode information is the on mode and there is a detection signal from the corresponding sensor, the corresponding lighting device may emit light at the maximum luminance.
  • the terminal unit corresponding to the area in which the sensor is disposed has a luminance instruction signal with the maximum luminance when the sensor information is in the on mode. To emit light at the maximum brightness.
  • the control unit may send a control signal to each terminal unit every predetermined time.
  • the terminal unit may cause the corresponding lighting device to emit light at the maximum luminance.
  • the illumination device in the failure target area can emit light with the maximum luminance. Thereby, it can be avoided that the lighting device is turned off due to a failure of the control unit or the like.
  • the plurality of lighting devices may be configured to emit light at maximum brightness when power is supplied separately from the corresponding terminal unit and power is not supplied to the corresponding terminal unit. According to this configuration, it is possible to avoid turning off the lighting device due to a failure of the control unit or a power failure limited to the control portion.
  • the plurality of lighting devices are configured to emit light at the maximum luminance when the input for receiving the luminance instruction signal from the corresponding terminal unit is in an open state or a high impedance state. Also good. According to this configuration, even when the control signal line between the control unit and the lighting device is disconnected, it is possible to avoid turning off the lighting device.
  • the plurality of terminal units when power is not supplied to the terminal unit, are configured to set the output for sending the luminance instruction signal to the corresponding lighting device to an open state or a high impedance state. May be configured. According to this configuration, even if the power supply to the corresponding terminal unit is stopped and the luminance instruction signal is not sent, the corresponding lighting device can emit light with the maximum luminance. Thereby, the lighting device can be prevented from being turned off due to a power failure of the control unit.
  • Another aspect of the present invention is a large-scale dimming system.
  • This large-scale dimming system includes a plurality of sets of dimming systems having any of the above-described configurations, and a master control unit for controlling the control unit of each dimming system.
  • a large-scale dimming system according to still another aspect of the present invention includes a plurality of sets of dimming systems having any one of the above-described configurations, and control units of the respective dimming systems are connected to each other, One control unit is configured to control another control unit. According to the large-scale dimming system having such a configuration, by combining a plurality of sets of dimming systems and using the control unit or master control unit, in a large-scale facility having a larger number of illumination areas, Dimmed lighting can be provided.
  • the brightness of the lighting device is set for each of a plurality of areas with a simple configuration, and each lighting device is set to the maximum brightness when a failure, a power failure, or a disconnection of a connection cable occurs in the control device. It is possible to provide a dimming system that is lit with
  • FIG. 1 It is the schematic which shows the structure of one Embodiment of the light modulation system by this invention. It is a block diagram which shows the terminal unit, illuminating device, and sensor corresponding to one area in the light modulation system of FIG. It is a partial circuit diagram which shows the structure of the output part in the terminal unit of FIG. It is a block diagram which shows the structure of the control unit in the light modulation system of FIG. It is a schematic front view which shows the external appearance of the control unit of FIG.
  • FIG. 1 shows a configuration of an embodiment of a dimming system 10 according to the present invention.
  • the dimming system 10 includes lighting devices 11, 12, 13, 14 and sensors 21, 22, which are arranged for a plurality of (four in the illustrated example) areas A, B, C, D to be illuminated. 23, 24, terminal units 31, 32, 33, and 34 connected to the lighting devices 11 to 14, respectively, and one control unit 40 that performs dimming control of the terminal units 31 to 34.
  • Areas A to D are, for example, gymnasiums, factories, warehouses, etc.
  • the floor is divided into four areas, and the divided areas are designated as areas A to D.
  • the illuminating devices 11 to 14 have the same configuration, and conventionally known illuminating devices, for example, LED illuminating devices in the case of illustration, are used.
  • the illumination devices 11 to 14 are independently supplied with power by an external power source provided separately from the terminal units 31 to 34 and the control unit 40.
  • the illuminating devices 11 to 14 are driven based on luminance instruction signals sent from the corresponding terminal units 31 to 34, respectively, and emit light with a predetermined luminance by an internal control circuit.
  • the sensors 21 to 24 have the same configuration, and for example, an infrared sensor or the like is used. When a person or the like enters the corresponding areas A to D, the sensors 21 to 24 detect this and output detection signals to the corresponding terminal units 31 to 34.
  • FIG. 2 is a block diagram showing the terminal unit 31, the illumination device 11, and the sensor 21 corresponding to one area A in the light control system 10.
  • the terminal unit 31 is connected to the corresponding illumination device 11 and receives a detection signal from the sensor 21.
  • the terminal unit 31 is operated by power feeding from a control unit 40 described later, and receives a control signal S from the control unit 40.
  • the terminal unit 31 takes out the luminance instruction signal S ⁇ b> 1 related to the terminal unit 31 from the control signal S from the control unit 40 based on the identification information described later.
  • the terminal unit 31 drives and controls the lighting device 11 based on the luminance instruction signal S1, and causes the lighting device 11 to emit light with the luminance indicated by the luminance instruction signal S1.
  • the terminal unit 31 extracts the sensor mode information S2 related to the terminal unit 31 from the control signal S from the control unit 40. There are two types of sensor mode information, an on mode and an off mode. The terminal unit 31 changes the operation when the detection signal from the sensor 21 is input, depending on which mode is set by the sensor mode information.
  • the terminal unit 31 When the sensor mode information is in the on mode, the terminal unit 31 sends a luminance instruction signal with the maximum luminance to the lighting device 11 when the detection signal from the sensor 21 is input, so that the lighting device 11 has the maximum luminance. Light up with. That is, the terminal unit 31 causes the illumination device 11 to emit light at the maximum luminance regardless of the luminance instruction signal included in the control signal S when the sensor mode information is the on mode and the sensor 21 detects a person or the like.
  • the terminal unit 31 sends the luminance instruction signal S1 included in the control signal S to the illumination device 11 even if the detection signal from the sensor 21 is input, and the luminance The illuminating device 11 is caused to emit light with the set luminance instructed by the instruction signal S1. That is, when the sensor mode information is the off mode, the terminal unit 31 causes the illumination device 11 to emit light with the set luminance regardless of whether the sensor 21 detects.
  • the terminal unit 31 When the control signal S from the control unit 40 is not sent for a certain period of time, the terminal unit 31 sends a luminance instruction signal with the maximum luminance to the lighting device 11 to cause the lighting device 11 to emit light with the maximum luminance. For example, when the control unit 40 sends the control signal S every predetermined time by the information communication method, when the control signal S cannot be received for a certain time exceeding the predetermined time that is the transmission interval of the control signal S, the terminal unit 31 makes the illuminating device 11 emit light with the maximum luminance.
  • the terminal unit 31 causes the illumination device 11 to emit light at the maximum luminance when the power supply from the control unit 40 is cut off and the power supply from the control unit 40 is not performed. For example, when the power supply is interrupted, the terminal unit 31 sets the output for sending the luminance instruction signal to the lighting device 11 to an open state or a high impedance state.
  • the illuminating device 11 is configured to emit light at the maximum luminance when the input for receiving the luminance instruction signal is in an open state or a high impedance state, assuming that the luminance instruction signal is at a high level. Yes.
  • the terminal unit 31 includes a photocoupler 31a, and is configured such that the power supply voltage from the control unit 40 is applied to the light emitting element 31b of the photocoupler 31a.
  • the photocoupler 31a is configured such that the light receiving element 31c of the photocoupler 31a is turned on when the light emitting element 31b emits light by the power supply voltage from the control unit 40.
  • the light emitting element 31b is configured such that the luminance instruction signal S1 from the control unit 40 flows, and on / off of the light receiving element 31c is controlled in accordance with the luminance instruction signal S1.
  • One end of the light receiving element 31 c is an output for sending a luminance instruction signal to the illumination device 11, and is connected to the input 11 a of the illumination device 11. The other end of the light receiving element 31 c is connected to the ground potential of the lighting device 11.
  • the light receiving element 31c of the photocoupler 31a is turned on / off according to the luminance instruction signal S1, and a signal corresponding to the luminance instruction signal S1 is input to the input 11a of the illumination device 11. Is sent out.
  • the luminance instruction signal S1 is transmitted as a digital serial signal, and the luminance instruction signal S1 is input to the illumination device 11 by turning on and off the light receiving element 31c.
  • the luminance instruction signal S1 may be sent out as a digital parallel signal by preparing a plurality of photocouplers 31a.
  • a 4-bit 16-gradation luminance instruction signal S1 may be sent to the illumination device 11.
  • the luminance instruction signal S1 is input to the illumination device 11, and the illumination device 11 emits light with the set luminance.
  • the light emitting element 31b of the photocoupler 31a stops emitting light, and the light receiving element 31c of the photocoupler 31a is turned off. Therefore, the output of the terminal unit 31 and the input of the lighting device 11 are in an open state and a high impedance state.
  • the luminance instruction signal input 11a of the lighting device 11 is set to a high level by the pull-up resistor 11b from the internal power source.
  • the luminance instruction signal S1 is a serial signal
  • the input 11a of the illuminating device 11 is fixed at a high level. Therefore, the input state is the same as when the maximum luminance is set as the luminance instruction signal S1.
  • the luminance instruction signal S1 is a parallel signal
  • all of the plurality of inputs of the lighting device 11 are at a high level, so that the input state is the same as when the maximum luminance is set as the luminance instruction signal S1.
  • the illuminating device 11 emits light with the maximum luminance.
  • the control unit 40 is configured as shown in FIG. In FIG. 4, the control unit 40 generates a control signal including a luminance instruction signal S1 by adjusting a selection unit 41 for selecting the lighting devices 11 to 14 to be dimmed and adjusting the set luminance of the lighting devices 11 to 14. It includes a brightness adjusting means 42, a switching means 43 for switching between collective adjustment and individual adjustment, and a sensor mode setting means 44 for turning on / off operations based on the sensors 21 to 24.
  • the selection means 41 and the sensor mode setting means 44 are provided with selection means 41a, 41b, 41c, 41d and sensor mode setting means 44a, 44b, 44c, 44d, corresponding to the areas A to D, respectively.
  • the selection means 41a to 41d are arranged on the front panel of the control unit 40, for example, as shown in FIG.
  • the selection means 41a to 41d are configured as push-type momentary switches, and are turned on by pressing the switch and turned off by pressing the switch again.
  • light emitting display portions 45a, 45b, 45c, and 45d made of, for example, LEDs are provided adjacent to the selection means 41a to 41d.
  • the corresponding light emitting display portions 45a to 45d are configured to emit light.
  • the selection means 41a to 41d and the light emitting display portions 45a to 45d are connected to the brightness adjustment means 42, respectively.
  • the brightness adjusting means 42 causes the corresponding light emitting display portions 45a to 45d to emit light when the selecting means 41a to 41d are in the on state.
  • the switching means 43 is disposed on the front panel of the control unit 40, for example, as shown in FIG.
  • the switching unit 43 is configured as a momentary switch, and is turned on when the switch is pressed and turned off when the switch is pressed again.
  • the switching means 43 uses a so-called self-illuminating switch, and is configured so that the front surface is back illuminated when on.
  • the switching means 43 switches between the batch adjustment mode and the individual adjustment mode, and is set so that the batch adjustment mode is turned off and the individual adjustment mode is turned on.
  • the switching unit 43 is connected to the brightness adjusting unit 42.
  • Sensor mode setting means 44a to 44d are arranged on the right side of the selection means 41a to 41d, respectively, on the front panel of the control unit 40 as shown in FIG.
  • the sensor mode setting means 44a to 44d are configured as slide switches.
  • the sensor mode setting means 44a to 44d are turned off by moving the knob to the right, and turned on by moving the knob to the left.
  • Each of the sensor mode setting means 44 a to 44 d is connected to the brightness adjustment means 42.
  • the brightness adjusting means 42 includes an adjustment knob 42a provided on the front panel of the control unit 40, and generates a control signal S including a brightness control signal S1 corresponding to the adjusted set brightness.
  • the operation of the brightness adjusting means 42 will be described in detail below.
  • the brightness adjusting means 42 and the adjustment knob 42a combine a liquid crystal display and a touch panel, and have the same functions so that they can be displayed and operated by a computer program. It may be realized. Further, the operations shown below may be realized by a logic circuit or may be realized by a computer program. Similarly, the switches described above may be realized by a combination of a liquid crystal display and a touch panel.
  • the brightness adjusting means 42 holds the set brightness that is adjusted by operating the adjustment knob 42a.
  • the set luminance is held by, for example, a register or a storage unit.
  • the luminance adjusting means 42 generates a luminance instruction signal S1 corresponding to the set luminance to be held, and sends the control signal S toward the corresponding terminal units 31 to 34.
  • the control signal S includes identification information for identifying the lighting devices 11 to 14 in addition to the luminance instruction signal S1. In the modification, identification information may not be included in the control signal S, and the control signal S may be individually sent from the control unit 40 to each of the terminal units 31 to 34. In this case, it is desirable that the control unit 40 and each of the terminal units 31 to 34 are connected by separate control lines.
  • the brightness adjusting means 42 adjusts the set brightness for the lighting devices 11 to 14 selected by the selecting means 41 when the switching means 43 is on, that is, in the individual adjustment mode. At this time, the set brightness is not adjusted for the illumination devices 11 to 14 not selected by the selection unit 41, and the previously set brightness is held as it is. Further, the brightness adjusting means 42 uniformly adjusts the set brightness for all the lighting devices 11 to 14 when the switching means 43 is off, that is, in the collective adjustment mode.
  • the brightness adjusting means 42 is a control signal obtained by adding sensor mode information S2 to the brightness instruction signals S1 related to the illumination devices 11 to 14 in the corresponding areas A to D according to the on / off states of the sensor mode setting means 44a to 44d. S is generated. The brightness adjusting means 42 sends the control signal S to which the sensor mode information S2 is added to the terminal units 31 to 34.
  • the brightness adjusting means 42 sets the set brightness of the lighting devices 11 to 14 as follows when the mode is switched by the switching means 43.
  • the brightness adjustment unit 42 sets the set brightness of all the lighting devices 11 to 14 to the set brightness set in the previous batch adjustment mode.
  • the set brightness of all the lighting devices 11 to 14 is set to the currently set brightness.
  • the currently set brightness means the brightness set by the adjustment knob 42a after switching to the batch adjustment mode.
  • the luminance adjustment unit 42 sets the luminance adjusted by the adjustment knob 42a for the lighting devices 11 to 14 selected by the selection unit 41. To do. On the other hand, for the remaining lighting devices 11 to 14 not selected by the selection means 41, the luminance set in the batch adjustment mode before switching is maintained.
  • the brightness adjusting means 42 is set when the selection means 41a to 41d are turned off in the individual adjustment mode, and the selection of the corresponding lighting devices 11 to 14 is canceled, the set brightness of the lighting devices 11 to 14 whose selection has been released. The brightness set before deselecting is held.
  • the luminance adjusting means 42 holds the set luminance set in this way and, at the same time, sends a control signal S to which the luminance instruction signal S1 corresponding to the set luminance and the sensor mode information S2 are added to each of the terminal units 31 to 34. Send it out.
  • the control unit 40 sends the control signal S by the information communication method, the control signal S generated in this way is sent every predetermined time.
  • the dimming system 10 operates as follows.
  • the switching means 43 of the control unit 40 is off and the batch adjustment mode is set, the set brightness of all the lighting devices 11 to 14 is uniformly adjusted by operating the adjustment knob 42a.
  • the brightness adjusting unit 42 generates a brightness instruction signal S1 corresponding to the adjusted set brightness.
  • the brightness adjusting unit 42 generates sensor mode information S2 indicating the off mode or the on mode of the sensors related to each of the lighting devices 11 to 14 according to the on / off states of the sensor mode setting units 44a to 44d.
  • the brightness adjusting means 42 generates the control signal S by adding the identification information of each of the lighting devices 11 to 14 to the brightness instruction signal S1 and the sensor mode information S2, and sends the control signal S to the terminal units 31 to 34. Send it out.
  • each of the terminal units 31 to 34 extracts the control signal S related to the corresponding area A to D, and sends a luminance instruction signal to the corresponding lighting device 11 to 14.
  • the control signal S related to the corresponding area A to D
  • a luminance instruction signal to the corresponding lighting device 11 to 14.
  • the terminal units 31 to 34 have the maximum luminance of the lighting devices 11 to 14 regardless of the luminance instruction signal S1.
  • An instruction signal is sent to cause each of the lighting devices 11 to 14 to emit light with the maximum luminance.
  • the switching means 43 of the control unit 40 when the switching means 43 of the control unit 40 is turned on to switch from the collective adjustment mode to the individual adjustment mode, the lighting device 11 selected by turning on the selection means 41a to 41d by operating the adjustment knob 42a.
  • the set brightness of ⁇ 14 is adjusted. If the plurality of selection units 41a to 41d among the selection units 41a to 41d are turned on, the set luminance is adjusted for the selected plurality of lighting devices 11 to 14, and the adjusted set luminance is held. In addition, for the lighting devices 11 to 14 that are not selected and the selection units 41a to 41d are not selected, the set luminance set in the batch adjustment mode before switching is maintained.
  • the brightness adjusting means 42 generates a brightness instruction signal S1 related to each of the lighting devices 11 to 14 based on the set brightness set in this way, and similarly based on the on / off states of the sensor mode setting means 44a to 44d. By generating the sensor mode information S2, the control signal S is generated and sent to the terminal units 31 to 34.
  • each terminal unit 31 to 34 takes out the control signal S related to the corresponding area A to D as in the case of the collective adjustment mode, and sends the luminance instruction signal S1 to the corresponding lighting device 11 to 14 respectively. Is sent out.
  • the terminal units 31 to 34 A luminance instruction signal S1 is sent to 11 to 14, and these illumination devices 11 to 14 are caused to emit light at a set luminance, respectively.
  • the terminal units 31 to 34 have the maximum luminance of the lighting devices 11 to 14 regardless of the luminance instruction signal S1.
  • An instruction signal is sent to cause each of the lighting devices 11 to 14 to emit light with the maximum luminance.
  • each terminal unit 31 to 34 When the terminal units 31 to 34 cannot receive the control signal S from the control unit 40 for a certain period of time, each terminal unit 31 to 34 sends a luminance instruction signal with the maximum luminance to the corresponding lighting devices 11 to 14, and these lighting devices 11 to Each of 14 is made to emit light with the maximum luminance. Accordingly, even when the control unit 40 cannot send the control signal S due to a failure or the like, the lighting devices 11 to 14 can emit light with the maximum luminance. As a result, it is possible to prevent the lighting devices 11 to 14 from being extinguished or continuing to shine at a low luminance as in the prior art.
  • Each of the terminal units 31 to 34 operates by being supplied with power from the control unit 40. When this power supply is cut off, each of the terminal units 31 to 34 causes each of the lighting devices 11 to 14 to have maximum brightness. Make it emit light. More specifically, each of the terminals 31 to 34 is configured such that an output for sending a luminance instruction signal to the corresponding lighting devices 11 to 14 is in an open state or a high impedance state in a situation where power is not supplied. The As a result, each of the lighting devices 11 to 14 emits light at the maximum luminance, assuming that the luminance instruction signal is at a high level.
  • each lighting device 11 is not affected by a power failure of the terminal units 31 to 34 or the control unit 40.
  • 14 to 14 can emit light with the maximum luminance.
  • the present invention can be implemented in various forms without departing from the spirit of the present invention.
  • the light control system 10 is configured to perform light control of the lighting devices 11 to 14 in the four areas A to D by one control unit 40.
  • the present invention is not limited to this.
  • a lighting device, a terminal unit, and a sensor may be arranged in each of three to three or five or more areas so that each lighting device can be dimmed collectively or individually.
  • each of the terminal units 31 to 34 is configured to be supplied with power from the control unit 40.
  • the present invention is not limited to this, and each of the terminal units 31 to 34 corresponds to the corresponding lighting device 11 to 14. Similarly, power may be supplied independently.
  • control signal S is sent from the control unit 40 to each of the terminal units 31 to 34.
  • the control signal S is a digital signal even if it is an analog signal. There may be.
  • the wiring from the control unit 40 to each of the terminal units 31 to 34 is not particularly limited.
  • the state of the switches such as the selection unit 41, the adjustment knob 42a, and the sensor mode setting unit 44 may be directly transmitted to these wirings, or information generated by encoding these switch states is information communication. It may be transmitted by the method.
  • the communication may be wired communication or wireless communication, and may be configured as a LAN.
  • the selection means 41a to 41d, the switching means 43, and the sensor mode setting means 44a to 44d provided in the control unit 40 are each constituted by a switch. Any other means may be used, for example, a touch panel method or the like.
  • control unit 40 has shown the case where the selection means 41a to 41d, the brightness adjustment means 42, the switching means 43 and the sensor mode setting means 44a to 44d are manually operated.
  • control information may be input from the server or the like to the control unit 40 so that the set brightness of each of the lighting devices 11 to 14 can be adjusted.
  • a plurality of sets of light control systems 10 are prepared, and control information is collectively input from a server or the like to the control unit 40 in each light control system 10 to control the lighting device of each light control system 10. Also good.
  • a plurality of sets of light control systems 10 may be prepared, the control units 40 in each light control system 10 may be connected to each other, and the other control unit 40 may be controlled by one control unit 40.
  • LED lighting devices are used as the lighting devices 11 to 14.
  • the present invention is not limited to this, and lighting devices using light sources other than LEDs may be used.

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Abstract

A light adjusting system (10) comprises: a plurality of illumination devices (11-14) disposed in correspondence with a plurality of areas (A-D) to be illuminated; a plurality of terminal units (31-34) that are connected to the corresponding illumination devices (11-14) respectively, and that control the luminance of the corresponding illumination devices (11-14); and one control unit (40) that controls the operation of the plurality of terminal units (31-34). The control unit (40) sends, to each terminal unit (31-34), a control signal that includes a luminance instruction signal corresponding to the luminance of the illumination devices (11-14) which is set for each of the areas (A-D). On the basis of the control signal from the control unit (40), the plurality of terminal units (31-34) cause the corresponding illumination devices (11-14) to emit light at a prescribed luminance which is in accordance with the luminance instruction signal.

Description

調光システムおよび大規模調光システムDimming system and large-scale dimming system
　本発明は、広い面積の場所をエリア別に照明する照明装置の調光システムに関する。 The present invention relates to a dimming system for a lighting device that illuminates a large area by area.
　従来、例えば体育館，工場，倉庫等の広い面積の場所を照明する場合、適宜の面積のエリアに分けて、エリア毎に照明装置を配置し、共通の制御装置により各照明装置をそれぞれ駆動制御して発光させるようにした調光システムがある。 Conventionally, when illuminating a large area such as a gymnasium, a factory, a warehouse, etc., it is divided into areas of appropriate areas, and lighting devices are arranged for each area, and each lighting device is driven and controlled by a common control device. There is a light control system that emits light.
　このような調光システムは、種々のものが使用されており、通常は消灯しており、エリア内に人が進入したとき、センサーで検知して、当該エリアの照明装置を最大輝度あるいは設定輝度で点灯させるように構成される。 Various light control systems such as these are normally used and are normally turned off. When a person enters the area, the sensor detects the lighting device in the area with the maximum brightness or the set brightness. It is configured to light up.
　このような調光システムにおいては、人がいるエリアは対応する照明装置が点灯して明るいが、周囲で人のいないエリアでは照明装置が消灯して暗くなる。そのため、周囲の状況が分からず、安全上または保安上の理由等により使用者に不安感を与えるおそれがあった。これに対し、センサーに依らずに、すべてのエリアの照明装置を点灯させる場合には、人のいないエリアも常時照明することとなり、電力消費の増大につながることから、省エネルギーの観点からも好ましくない。 In such a dimming system, the corresponding lighting device is turned on and bright in an area where there is a person, but the lighting device is turned off and dark in an area where there is no person around. For this reason, the surrounding situation is not known, and there is a fear that the user may feel uneasy for safety or security reasons. On the other hand, if lighting devices in all areas are turned on without relying on sensors, areas without people are always illuminated, which leads to an increase in power consumption, which is not preferable from the viewpoint of energy saving. .
　さらに、制御装置から各照明装置への制御信号が、例えば構内ＬＡＮ等を利用して送出される場合、構内ＬＡＮの故障あるいはノードの故障等により、各照明装置に電源は供給されていても制御信号が入力されないこととなる。そうすると、照明装置が消灯したまま制御不能になってしまうと共に、ＬＡＮの障害部位によってはシステムの再設定が必要となり、障害復旧に多大な時間と費用を要するおそれがある。 Further, when a control signal is sent from the control device to each lighting device using, for example, a local area LAN, etc., even if power is supplied to each lighting apparatus due to a local area LAN failure or a node failure, etc. The signal is not input. If it does so, while it becomes uncontrollable with a lighting apparatus light-extinguished, depending on the failure site | part of LAN, resetting of a system will be needed, and there exists a possibility that much time and expense may be required for failure recovery.
　また、各エリアに配置された照明装置は、制御装置の故障等により駆動制御されなくなり、消灯してしまう。このため、非常時等において、各エリアにおける視界が確保できなくなるおそれがある。 Also, the lighting devices arranged in each area will not be driven and controlled due to a failure of the control device, etc. and will be turned off. For this reason, there is a possibility that visibility in each area cannot be secured in an emergency or the like.
　本発明は、以上の点に鑑み、簡単な構成により、複数のエリア毎に照明装置による明るさを設定することができると共に、制御装置に故障，停電が発生した場合には各照明装置を最大輝度で点灯させる調光システムを提供することを目的とする。 In view of the above, the present invention can set the brightness of the lighting device for each of a plurality of areas with a simple configuration, and at the same time, if each control device has a failure or a power failure, An object of the present invention is to provide a dimming system that is lit with brightness.
　上記課題を解決するために、本発明のある態様の調光システムは、照明すべき複数のエリアに対応して配置される複数の照明装置と、対応する照明装置にそれぞれが接続され、対応する照明装置の輝度を制御する複数のターミナルユニットと、複数のターミナルユニットの動作を制御する一つのコントロールユニットと、を備える。コントロールユニットは、エリア毎に設定される照明装置の輝度に対応する輝度指示信号を含む制御信号を各ターミナルユニットに送出し、複数のターミナルユニットは、コントロールユニットからの制御信号に基づいて、対応する照明装置を輝度指示信号にしたがう所定の輝度で発光させる。 In order to solve the above-described problem, a light control system according to an aspect of the present invention corresponds to a plurality of lighting devices arranged corresponding to a plurality of areas to be illuminated, and each corresponding lighting device connected thereto. A plurality of terminal units for controlling the luminance of the lighting device, and a single control unit for controlling operations of the plurality of terminal units. The control unit sends a control signal including a luminance instruction signal corresponding to the luminance of the lighting device set for each area to each terminal unit, and the plurality of terminal units correspond based on the control signal from the control unit. The illumination device is caused to emit light with a predetermined luminance according to the luminance instruction signal.
　上記構成によれば、コントロールユニットにより設定された輝度に対応する輝度指示信号を含む制御信号に基づいて、各ターミナルユニットが照明装置を設定輝度で発光させて、対応するエリアを照明する。これにより、例えば体育館，工場，倉庫等や数フロアに跨がるオフィス空間等の広い面積の場所がエリア毎に設定された輝度で照明されることになる。従って、エリア毎に、それぞれ最適な輝度で照明が行なわれることになる。 According to the above configuration, each terminal unit causes the illumination device to emit light at the set luminance based on the control signal including the luminance instruction signal corresponding to the luminance set by the control unit, and illuminates the corresponding area. Thereby, for example, a large area such as a gymnasium, a factory, a warehouse, or an office space extending over several floors is illuminated with the brightness set for each area. Therefore, illumination is performed with an optimum luminance for each area.
　本発明による調光システムは、輝度調整の対象とする照明装置を選択する選択手段と、選択される照明装置の輝度を調整する輝度調整手段と、を備えてもよい。
　この構成によれば、選択手段で選択した照明装置に関して、輝度調整手段により設定輝度が調整される。したがって、各エリアに対応する照明装置がそれぞれの設定輝度で発光する。 The dimming system according to the present invention may include a selection unit that selects a lighting device to be subjected to luminance adjustment, and a luminance adjustment unit that adjusts the luminance of the selected lighting device.
According to this configuration, with respect to the lighting device selected by the selection unit, the set luminance is adjusted by the luminance adjustment unit. Therefore, the illumination device corresponding to each area emits light at the set brightness.
　本発明による調光システムは、一括調整モードと個別調整モードとを切り換える切換手段を備えてもよい。輝度調整手段は、ｉ）個別調整モードである場合、選択手段により選択される照明装置の設定輝度を調整し、調整された設定輝度に対応する輝度指示信号を含む制御信号を選択された照明装置に対応するターミナルユニットに送出し、ｉｉ）一括調整モードである場合、複数の照明装置の輝度を一律に調整し、一律に調整された設定輝度に対応する輝度指示信号を含む制御信号を複数のターミナルユニットに送出してもよい。
　この構成によれば、個別調整モードのときは、各照明装置の明るさが個別に設定され、一括調整モードのときは、全エリアが同じ明るさに照明される。 The dimming system according to the present invention may include switching means for switching between the batch adjustment mode and the individual adjustment mode. The brightness adjusting means i) adjusts the set brightness of the lighting device selected by the selecting means when in the individual adjustment mode, and the control device including the brightness instruction signal corresponding to the adjusted set brightness is selected. Ii) in the collective adjustment mode, the brightness of a plurality of lighting devices is uniformly adjusted, and a control signal including a brightness instruction signal corresponding to the uniformly adjusted set brightness is sent to a plurality of control signals. It may be sent to the terminal unit.
According to this configuration, the brightness of each lighting device is individually set in the individual adjustment mode, and all areas are illuminated with the same brightness in the collective adjustment mode.
　本発明による調光システムにおいて、輝度調整手段は、個別調整モードから一括調整モードに切り換えられる場合、複数の照明装置の設定輝度を以前の一括調整モードにて設定された設定輝度、もしくは、切換後の一括調整モードにて調整される設定輝度としてもよい。
　この構成によれば、一括調整モードへの切り換えにより、各照明装置は同じ明るさで照明する。 In the light control system according to the present invention, when the brightness adjusting means is switched from the individual adjustment mode to the batch adjustment mode, the set brightness of the plurality of lighting devices is set to the set brightness set in the previous batch adjustment mode or after the switching. It is good also as the setting brightness | luminance adjusted in this collective adjustment mode.
According to this configuration, the illumination devices illuminate with the same brightness by switching to the batch adjustment mode.
　本発明による調光システムにおいて、輝度調整手段は、一括調整モードから個別調整モードに切り換えられる場合、選択手段により選択される照明装置の設定輝度を切換後の個別調整モードにて調整される設定輝度とし、残りの照明装置の設定輝度を切換前の一括調整モードにて設定された設定輝度としてもよい。
　この構成によれば、個別調整モードへの切換の前後において、各照明装置の明るさが変動しないようにするとともに、選択される照明装置の設定輝度を調整することができる。 In the dimming system according to the present invention, when the brightness adjusting means is switched from the batch adjustment mode to the individual adjustment mode, the setting brightness adjusted in the individual adjustment mode after switching the setting brightness of the lighting device selected by the selection means. The set brightness of the remaining lighting devices may be set to the set brightness set in the batch adjustment mode before switching.
According to this configuration, before and after switching to the individual adjustment mode, the brightness of each lighting device can be prevented from changing, and the set brightness of the selected lighting device can be adjusted.
　本発明による調光システムにおいて、輝度調整手段は、個別調整モードにおいて選択手段による選択が解除される場合、選択が解除される照明装置の設定輝度を選択解除前に設定された設定輝度としてもよい。
　この構成によれば、選択手段によって順次に各照明装置を選択することによって、各照明装置の設定輝度を個別に調整できる。 In the dimming system according to the present invention, when the selection by the selection unit is canceled in the individual adjustment mode, the luminance adjustment unit may set the set luminance of the lighting device to be deselected as the set luminance set before deselection. .
According to this structure, the setting brightness | luminance of each illuminating device can be adjusted separately by selecting each illuminating device sequentially by a selection means.
　本発明による調光システムは、各照明装置が照明すべきエリアにおける人等の存在を検出し、対応するターミナルユニットに検出信号を送出するセンサーをさらに備えてもよい。コントロールユニットは、照明すべきエリア毎にセンサーモード情報を設定するセンサーモード設定手段を備えてもよい。輝度調整手段は、センサーモード設定手段により設定されたセンサーモード情報を、輝度指示信号を含む制御信号に追加して各ターミナルユニットに送出してもよい。ターミナルユニットは、ｉ）センサーモード情報がオフモードの場合、及び、センサーモード情報がオンモードであって対応するセンサーからの検出信号がない場合、対応する照明装置を設定輝度で発光させ、ｉｉ）センサーモード情報がオンモードであって対応するセンサーからの検出信号がある場合、対応する照明装置を最大輝度で発光させてもよい。
　この構成によれば、センサーから検出信号が入力されたとき、当該センサーが配置されるエリアに対応するターミナルユニットは、センサー情報がオンモードであれば、対応する照明装置に最大輝度の輝度指示信号を送出して、当該照明装置を最大輝度で発光させる。一方、センサー情報がオフモードの場合及びセンサー情報がオンモードで且つセンサーからの検出信号がないときには、対応する照明装置に設定輝度の輝度指示信号を送出して、当該照明装置を設定輝度で発光させる。 The dimming system according to the present invention may further include a sensor that detects the presence of a person or the like in an area to be illuminated by each lighting device and sends a detection signal to a corresponding terminal unit. The control unit may include sensor mode setting means for setting sensor mode information for each area to be illuminated. The brightness adjusting means may add the sensor mode information set by the sensor mode setting means to a control signal including a brightness instruction signal and send it to each terminal unit. When the sensor mode information is in the off mode and the sensor mode information is in the on mode and there is no detection signal from the corresponding sensor, the terminal unit causes the corresponding lighting device to emit light at the set brightness, and ii) When the sensor mode information is the on mode and there is a detection signal from the corresponding sensor, the corresponding lighting device may emit light at the maximum luminance.
According to this configuration, when a detection signal is input from the sensor, the terminal unit corresponding to the area in which the sensor is disposed has a luminance instruction signal with the maximum luminance when the sensor information is in the on mode. To emit light at the maximum brightness. On the other hand, when the sensor information is in the off mode and when the sensor information is in the on mode and there is no detection signal from the sensor, a luminance instruction signal of the set luminance is sent to the corresponding lighting device, and the lighting device is emitted at the set luminance. Let
　本発明による調光システムにおいて、コントロールユニットは、所定時間毎に各ターミナルユニットに対して制御信号を送出してもよい。ターミナルユニットは、コントロールユニットからの制御信号を所定時間を超える一定時間にわたって受信できない場合、対応する照明装置を最大輝度で発光させてもよい。
　この構成によれば、コントロールユニットにケーブル断線・電源障害等の異常が発生したときに、障害対象エリアの照明装置を最大輝度で発光させることができる。これにより、コントロールユニットの故障等によって、照明装置が消灯してしまう事を回避できる。 In the dimming system according to the present invention, the control unit may send a control signal to each terminal unit every predetermined time. When the terminal unit cannot receive the control signal from the control unit for a certain time exceeding a predetermined time, the terminal unit may cause the corresponding lighting device to emit light at the maximum luminance.
According to this configuration, when an abnormality such as cable disconnection or power failure occurs in the control unit, the illumination device in the failure target area can emit light with the maximum luminance. Thereby, it can be avoided that the lighting device is turned off due to a failure of the control unit or the like.
　本発明による調光システムにおいて、複数の照明装置は、対応するターミナルユニットと別に給電されており、対応するターミナルユニットへの給電がなされない場合に最大輝度で発光するように構成されてもよい。
　この構成によれば、制御部の障害や制御部分に限定される停電による照明装置の消灯を回避することができる。 In the dimming system according to the present invention, the plurality of lighting devices may be configured to emit light at maximum brightness when power is supplied separately from the corresponding terminal unit and power is not supplied to the corresponding terminal unit.
According to this configuration, it is possible to avoid turning off the lighting device due to a failure of the control unit or a power failure limited to the control portion.
　本発明による調光システムにおいて、複数の照明装置は、対応するターミナルユニットから輝度指示信号を受信するための入力が開放状態または高インピーダンス状態となる場合に、最大輝度で発光するように構成されてもよい。
　この構成によれば、制御部と照明装置との間の制御信号線が断線する場合であっても、照明装置の消灯を回避することができる。 In the dimming system according to the present invention, the plurality of lighting devices are configured to emit light at the maximum luminance when the input for receiving the luminance instruction signal from the corresponding terminal unit is in an open state or a high impedance state. Also good.
According to this configuration, even when the control signal line between the control unit and the lighting device is disconnected, it is possible to avoid turning off the lighting device.
　本発明による調光システムにおいて、複数のターミナルユニットは、当該ターミナルユニットへの給電がなされない場合に、対応する照明装置に輝度指示信号を送出するための出力を開放状態または高インピーダンス状態とするように構成されてもよい。
　この構成によれば、対応するターミナルユニットへの給電が停止して輝度指示信号が送出されない状況であったとしても、対応する照明装置を最大輝度で発光させることができる。これにより、制御部の停電による照明装置の消灯を回避することができる。 In the dimming system according to the present invention, when power is not supplied to the terminal unit, the plurality of terminal units are configured to set the output for sending the luminance instruction signal to the corresponding lighting device to an open state or a high impedance state. May be configured.
According to this configuration, even if the power supply to the corresponding terminal unit is stopped and the luminance instruction signal is not sent, the corresponding lighting device can emit light with the maximum luminance. Thereby, the lighting device can be prevented from being turned off due to a power failure of the control unit.
　本発明の別の態様は、大規模調光システムである。この大規模調光システムは、複数組の上述したいずれかの構成の調光システムと、各調光システムのコントロールユニットを制御する為のマスターコントロールユニットと、を含む。
　また、本発明のさらに別の態様の大規模調光システムは、複数組の上述したいずれかの構成の調光システムを含み、各調光システムのコントロールユニットが互いに接続され、各コントロールユニットまたは何れか一つのコントロールユニットが他のコントロールユニットを制御するように構成される。
　このような構成の大規模調光システムによれば、複数組の調光システムを組み合わせ、そのコントロールユニットまたはマスターコントロールユニットを使用することで、より多数の照明エリアを有する大規模施設において、エリア毎に調光された照明を提供することができる。 Another aspect of the present invention is a large-scale dimming system. This large-scale dimming system includes a plurality of sets of dimming systems having any of the above-described configurations, and a master control unit for controlling the control unit of each dimming system.
Further, a large-scale dimming system according to still another aspect of the present invention includes a plurality of sets of dimming systems having any one of the above-described configurations, and control units of the respective dimming systems are connected to each other, One control unit is configured to control another control unit.
According to the large-scale dimming system having such a configuration, by combining a plurality of sets of dimming systems and using the control unit or master control unit, in a large-scale facility having a larger number of illumination areas, Dimmed lighting can be provided.
　本発明によれば、簡易な構成により、複数のエリア毎に照明装置の明るさを設定するとともに、制御装置に故障，停電あるいは接続ケーブルの断線等が発生した場合に、各照明装置を最大輝度で点灯させる調光システムを提供することができる。 According to the present invention, the brightness of the lighting device is set for each of a plurality of areas with a simple configuration, and each lighting device is set to the maximum brightness when a failure, a power failure, or a disconnection of a connection cable occurs in the control device. It is possible to provide a dimming system that is lit with
本発明による調光システムの一実施形態の構成を示す概略図である。It is the schematic which shows the structure of one Embodiment of the light modulation system by this invention. 図１の調光システムにおける一つのエリアに対応するターミナルユニット，照明装置及びセンサーを示すブロック図である。It is a block diagram which shows the terminal unit, illuminating device, and sensor corresponding to one area in the light modulation system of FIG. 図２のターミナルユニットにおける出力部の構成を示す部分回路図である。It is a partial circuit diagram which shows the structure of the output part in the terminal unit of FIG. 図１の調光システムにおけるコントロールユニットの構成を示すブロック図である。It is a block diagram which shows the structure of the control unit in the light modulation system of FIG. 図２のコントロールユニットの外観を示す概略正面図である。It is a schematic front view which shows the external appearance of the control unit of FIG.
　以下、図面に示した実施形態に基づいて本発明を詳細に説明する。
　図１は、本発明による調光システム１０の一実施形態の構成を示している。調光システム１０は、照明すべき複数（図示の場合、四つ）のエリアＡ，Ｂ，Ｃ，Ｄに対して、それぞれ配置された照明装置１１，１２，１３，１４及びセンサー２１，２２，２３，２４と、各照明装置１１～１４に対してそれぞれ接続されたターミナルユニット３１，３２，３３，３４と、各ターミナルユニット３１～３４を調光制御する一つのコントロールユニット４０と、を備える。 Hereinafter, the present invention will be described in detail based on the embodiments shown in the drawings.
FIG. 1 shows a configuration of an embodiment of a dimming system 10 according to the present invention. The dimming system 10 includes lighting devices 11, 12, 13, 14 and sensors 21, 22, which are arranged for a plurality of (four in the illustrated example) areas A, B, C, D to be illuminated. 23, 24, terminal units 31, 32, 33, and 34 connected to the lighting devices 11 to 14, respectively, and one control unit 40 that performs dimming control of the terminal units 31 to 34.
　エリアＡ～Ｄは、例えば体育館，工場，倉庫等のフロアであって、この場合、フロアを四つの領域に分割して、分割された各領域をエリアＡ～Ｄとしている。照明装置１１～１４は、何れも同じ構成であり、従来公知の照明装置、例えば図示の場合、ＬＥＤ照明装置が使用されている。照明装置１１～１４は、ターミナルユニット３１～３４及びコントロールユニット４０とは別に設けられた外部電源により、それぞれ独立的に給電されている。照明装置１１～１４は、それぞれ対応するターミナルユニット３１～３４から送出される輝度指示信号に基づいて駆動され、内部の制御回路により所定の輝度で発光する。 Areas A to D are, for example, gymnasiums, factories, warehouses, etc. In this case, the floor is divided into four areas, and the divided areas are designated as areas A to D. The illuminating devices 11 to 14 have the same configuration, and conventionally known illuminating devices, for example, LED illuminating devices in the case of illustration, are used. The illumination devices 11 to 14 are independently supplied with power by an external power source provided separately from the terminal units 31 to 34 and the control unit 40. The illuminating devices 11 to 14 are driven based on luminance instruction signals sent from the corresponding terminal units 31 to 34, respectively, and emit light with a predetermined luminance by an internal control circuit.
　センサー２１～２４は、何れも同じ構成であり、例えば赤外線センサー等が使用される。センサー２１～２４は、対応するエリアＡ～Ｄ内に人等が進入したとき、これを検知して、検出信号を対応するターミナルユニット３１～３４に出力する。 The sensors 21 to 24 have the same configuration, and for example, an infrared sensor or the like is used. When a person or the like enters the corresponding areas A to D, the sensors 21 to 24 detect this and output detection signals to the corresponding terminal units 31 to 34.
　ターミナルユニット３１～３４は、何れも同じ構成であるため、エリアＡに対応するターミナルユニット３１について以下に説明する。
　図２は、調光システム１０における一つのエリアＡに対応するターミナルユニット３１、照明装置１１及びセンサー２１を示すブロック図である。ターミナルユニット３１は、対応する照明装置１１に接続されると共に、センサー２１からの検出信号が入力される。ターミナルユニット３１は、後述するコントロールユニット４０からの給電により作動し、コントロールユニット４０からの制御信号Ｓが入力される。 Since the terminal units 31 to 34 have the same configuration, the terminal unit 31 corresponding to the area A will be described below.
FIG. 2 is a block diagram showing the terminal unit 31, the illumination device 11, and the sensor 21 corresponding to one area A in the light control system 10. The terminal unit 31 is connected to the corresponding illumination device 11 and receives a detection signal from the sensor 21. The terminal unit 31 is operated by power feeding from a control unit 40 described later, and receives a control signal S from the control unit 40.
　ターミナルユニット３１は、コントロールユニット４０からの制御信号Ｓのうち、後述する識別情報により、当該ターミナルユニット３１に関する輝度指示信号Ｓ１を取りだす。ターミナルユニット３１は、この輝度指示信号Ｓ１に基づいて、照明装置１１を駆動制御し、輝度指示信号Ｓ１で指示された輝度で照明装置１１を発光させる。 The terminal unit 31 takes out the luminance instruction signal S <b> 1 related to the terminal unit 31 from the control signal S from the control unit 40 based on the identification information described later. The terminal unit 31 drives and controls the lighting device 11 based on the luminance instruction signal S1, and causes the lighting device 11 to emit light with the luminance indicated by the luminance instruction signal S1.
　ターミナルユニット３１は、コントロールユニット４０からの制御信号Ｓのうち、当該ターミナルユニット３１に関するセンサーモード情報Ｓ２を取り出す。センサーモード情報には、オンモードとオフモードの２種類がある。ターミナルユニット３１は、センサーモード情報によって設定されるモードが何れであるかに応じて、センサー２１からの検出信号が入力されたときの動作を変える。 The terminal unit 31 extracts the sensor mode information S2 related to the terminal unit 31 from the control signal S from the control unit 40. There are two types of sensor mode information, an on mode and an off mode. The terminal unit 31 changes the operation when the detection signal from the sensor 21 is input, depending on which mode is set by the sensor mode information.
　ターミナルユニット３１は、センサーモード情報がオンモードである場合、センサー２１からの検出信号が入力されたときに、照明装置１１に最大輝度の輝度指示信号を送出して、当該照明装置１１を最大輝度で発光させる。つまり、ターミナルユニット３１は、センサーモード情報がオンモードであってセンサー２１が人等を検出する場合に、制御信号Ｓに含まれる輝度指示信号にかかわらず照明装置１１を最大輝度で発光させる。 When the sensor mode information is in the on mode, the terminal unit 31 sends a luminance instruction signal with the maximum luminance to the lighting device 11 when the detection signal from the sensor 21 is input, so that the lighting device 11 has the maximum luminance. Light up with. That is, the terminal unit 31 causes the illumination device 11 to emit light at the maximum luminance regardless of the luminance instruction signal included in the control signal S when the sensor mode information is the on mode and the sensor 21 detects a person or the like.
　一方、センサーモード情報がオフモードである場合、ターミナルユニット３１は、センサー２１からの検出信号が入力されたとしても、制御信号Ｓに含まれる輝度指示信号Ｓ１を照明装置１１に送出して、輝度指示信号Ｓ１で指示された設定輝度で照明装置１１を発光させる。つまり、ターミナルユニット３１は、センサーモード情報がオフモードである場合、センサー２１による検出の有無にかかわらず照明装置１１を設定輝度で発光させる。 On the other hand, when the sensor mode information is the off mode, the terminal unit 31 sends the luminance instruction signal S1 included in the control signal S to the illumination device 11 even if the detection signal from the sensor 21 is input, and the luminance The illuminating device 11 is caused to emit light with the set luminance instructed by the instruction signal S1. That is, when the sensor mode information is the off mode, the terminal unit 31 causes the illumination device 11 to emit light with the set luminance regardless of whether the sensor 21 detects.
　ターミナルユニット３１は、コントロールユニット４０からの制御信号Ｓが一定時間送られてこない場合、照明装置１１に最大輝度の輝度指示信号を送出して、最大輝度で照明装置１１を発光させる。例えば、コントロールユニット４０が情報通信の手法により所定時間毎に制御信号Ｓを送付する場合において、制御信号Ｓの送信間隔である所定時間を超える一定時間にわたって制御信号Ｓを受信できないときに、ターミナルユニット３１は、照明装置１１を最大輝度で発光させる。 When the control signal S from the control unit 40 is not sent for a certain period of time, the terminal unit 31 sends a luminance instruction signal with the maximum luminance to the lighting device 11 to cause the lighting device 11 to emit light with the maximum luminance. For example, when the control unit 40 sends the control signal S every predetermined time by the information communication method, when the control signal S cannot be received for a certain time exceeding the predetermined time that is the transmission interval of the control signal S, the terminal unit 31 makes the illuminating device 11 emit light with the maximum luminance.
　また、ターミナルユニット３１は、コントロールユニット４０からの給電が遮断され、コントロールユニット４０からの電力供給がなされないとき、照明装置１１を最大輝度で発光させる。例えば、ターミナルユニット３１は、給電が遮断されたとき、照明装置１１に輝度指示信号を送出するための出力を開放状態または高インピーダンス状態とする。これに対応して、照明装置１１は、輝度指示信号を受信するための入力が開放状態または高インピーダンス状態のとき、輝度指示信号が高レベルであるとして、最大輝度で発光するように構成されている。 Further, the terminal unit 31 causes the illumination device 11 to emit light at the maximum luminance when the power supply from the control unit 40 is cut off and the power supply from the control unit 40 is not performed. For example, when the power supply is interrupted, the terminal unit 31 sets the output for sending the luminance instruction signal to the lighting device 11 to an open state or a high impedance state. Correspondingly, the illuminating device 11 is configured to emit light at the maximum luminance when the input for receiving the luminance instruction signal is in an open state or a high impedance state, assuming that the luminance instruction signal is at a high level. Yes.
　より具体的には、例えば図３に示すように、ターミナルユニット３１は、フォトカプラ３１ａを有し、コントロールユニット４０からの給電電圧が、フォトカプラ３１ａの発光素子３１ｂに印加されるように構成される。フォトカプラ３１ａは、コントロールユニット４０からの給電電圧によって発光素子３１ｂが発光することにより、フォトカプラ３１ａの受光素子３１ｃがオンとなるように構成される。また、発光素子３１ｂには、コントロールユニット４０からの輝度指示信号Ｓ１が流れるように構成されており、輝度指示信号Ｓ１に応じて受光素子３１ｃのオンオフが制御される。受光素子３１ｃの一端は、照明装置１１に輝度指示信号を送出するための出力となっており、照明装置１１の入力１１ａに接続されている。また、受光素子３１ｃの他端は、照明装置１１のグランド電位に接続されている。 More specifically, for example, as shown in FIG. 3, the terminal unit 31 includes a photocoupler 31a, and is configured such that the power supply voltage from the control unit 40 is applied to the light emitting element 31b of the photocoupler 31a. The The photocoupler 31a is configured such that the light receiving element 31c of the photocoupler 31a is turned on when the light emitting element 31b emits light by the power supply voltage from the control unit 40. Further, the light emitting element 31b is configured such that the luminance instruction signal S1 from the control unit 40 flows, and on / off of the light receiving element 31c is controlled in accordance with the luminance instruction signal S1. One end of the light receiving element 31 c is an output for sending a luminance instruction signal to the illumination device 11, and is connected to the input 11 a of the illumination device 11. The other end of the light receiving element 31 c is connected to the ground potential of the lighting device 11.
　従って、コントロールユニット４０からターミナルユニット３１に給電される場合には、フォトカプラ３１ａの受光素子３１ｃが輝度指示信号Ｓ１に応じてオンオフし、照明装置１１の入力１１ａに輝度指示信号Ｓ１に応じた信号が送出される。例えば、輝度指示信号Ｓ１はデジタルのシリアル信号として送出され、受光素子３１ｃのオンオフにより輝度指示信号Ｓ１が照明装置１１に入力される。変形例においては、フォトカプラ３１ａを複数用意することにより輝度指示信号Ｓ１をデジタルのパラレル信号として送出してもよい。例えば、ターミナルユニット３１から照明装置１１への信号線を４本用意し、４ビット１６階調の輝度指示信号Ｓ１を照明装置１１へ送出してもよい。これにより、照明装置１１には輝度指示信号Ｓ１が入力され、照明装置１１は設定輝度で発光する。 Accordingly, when power is supplied from the control unit 40 to the terminal unit 31, the light receiving element 31c of the photocoupler 31a is turned on / off according to the luminance instruction signal S1, and a signal corresponding to the luminance instruction signal S1 is input to the input 11a of the illumination device 11. Is sent out. For example, the luminance instruction signal S1 is transmitted as a digital serial signal, and the luminance instruction signal S1 is input to the illumination device 11 by turning on and off the light receiving element 31c. In a modification, the luminance instruction signal S1 may be sent out as a digital parallel signal by preparing a plurality of photocouplers 31a. For example, four signal lines from the terminal unit 31 to the illumination device 11 may be prepared, and a 4-bit 16-gradation luminance instruction signal S1 may be sent to the illumination device 11. As a result, the luminance instruction signal S1 is input to the illumination device 11, and the illumination device 11 emits light with the set luminance.
　これに対して、コントロールユニット４０からターミナルユニット３１への給電が遮断されると、フォトカプラ３１ａの発光素子３１ｂが発光しなくなり、フォトカプラ３１ａの受光素子３１ｃがオフとなる。そのため、ターミナルユニット３１の出力および照明装置１１の入力は開放状態となり、高インピーダンス状態となる。その結果、照明装置１１の輝度指示信号入力１１ａは、内部電源からのプルアップ抵抗１１ｂによって高レベルとなる。輝度指示信号Ｓ１がシリアル信号である場合、照明装置１１の入力１１ａが高レベルに固定されることから、輝度指示信号Ｓ１として最大輝度が設定される場合と同様の入力状態となる。また、輝度指示信号Ｓ１がパラレル信号である場合、照明装置１１の複数の入力全てが高レベルとなることから、輝度指示信号Ｓ１として最大輝度が設定される場合と同様の入力状態となる。これにより、照明装置１１は最大輝度で発光する。 On the other hand, when the power supply from the control unit 40 to the terminal unit 31 is cut off, the light emitting element 31b of the photocoupler 31a stops emitting light, and the light receiving element 31c of the photocoupler 31a is turned off. Therefore, the output of the terminal unit 31 and the input of the lighting device 11 are in an open state and a high impedance state. As a result, the luminance instruction signal input 11a of the lighting device 11 is set to a high level by the pull-up resistor 11b from the internal power source. When the luminance instruction signal S1 is a serial signal, the input 11a of the illuminating device 11 is fixed at a high level. Therefore, the input state is the same as when the maximum luminance is set as the luminance instruction signal S1. Further, when the luminance instruction signal S1 is a parallel signal, all of the plurality of inputs of the lighting device 11 are at a high level, so that the input state is the same as when the maximum luminance is set as the luminance instruction signal S1. Thereby, the illuminating device 11 emits light with the maximum luminance.
　コントロールユニット４０は、図４に示すように構成される。
　図４において、コントロールユニット４０は、調光すべき照明装置１１～１４を選択する選択手段４１と、照明装置１１～１４の設定輝度を調整して、輝度指示信号Ｓ１を含む制御信号を生成する輝度調整手段４２と、一括調整と個別調整を切り換える切換手段４３と、各センサー２１～２４に基づく動作をオンオフするセンサーモード設定手段４４と、を備える。選択手段４１及びセンサーモード設定手段４４は、エリアＡ～Ｄ毎に対応して、それぞれ選択手段４１ａ，４１ｂ，４１ｃ，４１ｄ及びセンサーモード設定手段４４ａ，４４ｂ，４４ｃ，４４ｄが設けられる。 The control unit 40 is configured as shown in FIG.
In FIG. 4, the control unit 40 generates a control signal including a luminance instruction signal S1 by adjusting a selection unit 41 for selecting the lighting devices 11 to 14 to be dimmed and adjusting the set luminance of the lighting devices 11 to 14. It includes a brightness adjusting means 42, a switching means 43 for switching between collective adjustment and individual adjustment, and a sensor mode setting means 44 for turning on / off operations based on the sensors 21 to 24. The selection means 41 and the sensor mode setting means 44 are provided with selection means 41a, 41b, 41c, 41d and sensor mode setting means 44a, 44b, 44c, 44d, corresponding to the areas A to D, respectively.
　選択手段４１ａ～４１ｄは、例えば図５に示すように、コントロールユニット４０の前面パネルに配置される。選択手段４１ａ～４１ｄは、プッシュ式のモーメンタリースイッチとして構成されており、スイッチを押すことによりオンとなり、再度スイッチを押すことによりオフとなる。 The selection means 41a to 41d are arranged on the front panel of the control unit 40, for example, as shown in FIG. The selection means 41a to 41d are configured as push-type momentary switches, and are turned on by pressing the switch and turned off by pressing the switch again.
　選択手段４１ａ～４１ｄの操作状態を視覚的に表示するために、各選択手段４１ａ～４１ｄに隣接して、例えばＬＥＤ等からなる発光表示部４５ａ，４５ｂ，４５ｃ，４５ｄが設けられる。選択手段４１ａ～４１ｄがオン状態にあるとき、対応する発光表示部４５ａ～４５ｄが発光するように構成されている。選択手段４１ａ～４１ｄ及び発光表示部４５ａ～４５ｄは、それぞれ輝度調整手段４２に接続される。輝度調整手段４２は、選択手段４１ａ～４１ｄがオン状態にあるとき、対応する発光表示部４５ａ～４５ｄを発光させる。 In order to visually display the operation states of the selection means 41a to 41d, light emitting display portions 45a, 45b, 45c, and 45d made of, for example, LEDs are provided adjacent to the selection means 41a to 41d. When the selection means 41a to 41d are in the on state, the corresponding light emitting display portions 45a to 45d are configured to emit light. The selection means 41a to 41d and the light emitting display portions 45a to 45d are connected to the brightness adjustment means 42, respectively. The brightness adjusting means 42 causes the corresponding light emitting display portions 45a to 45d to emit light when the selecting means 41a to 41d are in the on state.
　切換手段４３は、例えば図５に示すように、コントロールユニット４０の前面パネルに配置される。切換手段４３は、図示の場合、モーメンタリースイッチとして構成されており、スイッチを押すことによりオンとなり、再度スイッチを押すことによりオフとなる。切換手段４３は、いわゆる自照式スイッチが使用されており、オン時には前面がバック照明されるように構成されている。 The switching means 43 is disposed on the front panel of the control unit 40, for example, as shown in FIG. In the illustrated case, the switching unit 43 is configured as a momentary switch, and is turned on when the switch is pressed and turned off when the switch is pressed again. The switching means 43 uses a so-called self-illuminating switch, and is configured so that the front surface is back illuminated when on.
　切換手段４３は、一括調整モード及び個別調整モードを切り換えるものであり、オフで一括調整モードとなり、オンで個別調整モードとなるように設定される。切換手段４３は、輝度調整手段４２に接続される。 The switching means 43 switches between the batch adjustment mode and the individual adjustment mode, and is set so that the batch adjustment mode is turned off and the individual adjustment mode is turned on. The switching unit 43 is connected to the brightness adjusting unit 42.
　センサーモード設定手段４４ａ～４４ｄは、例えば図５に示すように、コントロールユニット４０の前面パネルにおいて、上述した選択手段４１ａ～４１ｄの右側にそれぞれ配置される。センサーモード設定手段４４ａ～４４ｄは、図示の場合、スライドスイッチとして構成されており、つまみを右方に移動させることによりオフモード、つまみを左方に移動させることによりオンモードとなる。各センサーモード設定手段４４ａ～４４ｄは、それぞれ輝度調整手段４２に接続される。 Sensor mode setting means 44a to 44d are arranged on the right side of the selection means 41a to 41d, respectively, on the front panel of the control unit 40 as shown in FIG. In the illustrated case, the sensor mode setting means 44a to 44d are configured as slide switches. The sensor mode setting means 44a to 44d are turned off by moving the knob to the right, and turned on by moving the knob to the left. Each of the sensor mode setting means 44 a to 44 d is connected to the brightness adjustment means 42.
　輝度調整手段４２は、コントロールユニット４０の前面パネルに設けられた調整つまみ４２ａを備え、調整された設定輝度に対応する輝度制御信号Ｓ１を含む制御信号Ｓを生成する。輝度調整手段４２の動作は以下に詳述されるが、輝度調整手段４２及び調整つまみ４２ａは、液晶表示器とタッチパネルとを組み合わせるとともに、コンピュータプログラムによって表示及び操作を行えるようにして同等の機能を実現してもよい。また、以下に示される動作は、論理回路により実現されてもよく、またコンピュータプログラムによって実現されてもよい。なお、上述のスイッチ類についても同様に、液晶表示器とタッチパネルの組み合わせにより実現されてもよい。 The brightness adjusting means 42 includes an adjustment knob 42a provided on the front panel of the control unit 40, and generates a control signal S including a brightness control signal S1 corresponding to the adjusted set brightness. The operation of the brightness adjusting means 42 will be described in detail below. The brightness adjusting means 42 and the adjustment knob 42a combine a liquid crystal display and a touch panel, and have the same functions so that they can be displayed and operated by a computer program. It may be realized. Further, the operations shown below may be realized by a logic circuit or may be realized by a computer program. Similarly, the switches described above may be realized by a combination of a liquid crystal display and a touch panel.
　輝度調整手段４２は、調整つまみ４２ａを操作することにより調整される設定輝度を保持する。設定輝度の保持は、例えばレジスタや記憶手段等により行なわれる。輝度調整手段４２は、保持される設定輝度に対応した輝度指示信号Ｓ１を生成し、対応するターミナルユニット３１～３４に向けて制御信号Ｓを送出する。制御信号Ｓには、輝度指示信号Ｓ１に加えて照明装置１１～１４を識別するための識別情報が含まれる。なお、変形例においては、制御信号Ｓに識別情報を含めないこととしてもよく、コントロールユニット４０から各ターミナルユニット３１～３４に対して個別に制御信号Ｓを送出してもよい。この場合、コントロールユニット４０と各ターミナルユニット３１～３４との間がそれぞれ別の制御線により接続されることが望ましい。 The brightness adjusting means 42 holds the set brightness that is adjusted by operating the adjustment knob 42a. The set luminance is held by, for example, a register or a storage unit. The luminance adjusting means 42 generates a luminance instruction signal S1 corresponding to the set luminance to be held, and sends the control signal S toward the corresponding terminal units 31 to 34. The control signal S includes identification information for identifying the lighting devices 11 to 14 in addition to the luminance instruction signal S1. In the modification, identification information may not be included in the control signal S, and the control signal S may be individually sent from the control unit 40 to each of the terminal units 31 to 34. In this case, it is desirable that the control unit 40 and each of the terminal units 31 to 34 are connected by separate control lines.
　輝度調整手段４２は、切換手段４３がオン、即ち個別調整モードであるとき、選択手段４１により選択された照明装置１１～１４に対して設定輝度を調整する。このとき、選択手段４１により選択されていない照明装置１１～１４に対して設定輝度は調整されず、以前に設定された設定輝度がそのまま保持される。また、輝度調整手段４２は、切換手段４３がオフ、即ち一括調整モードであるとき、全照明装置１１～１４に対して一律に設定輝度を調整する。 The brightness adjusting means 42 adjusts the set brightness for the lighting devices 11 to 14 selected by the selecting means 41 when the switching means 43 is on, that is, in the individual adjustment mode. At this time, the set brightness is not adjusted for the illumination devices 11 to 14 not selected by the selection unit 41, and the previously set brightness is held as it is. Further, the brightness adjusting means 42 uniformly adjusts the set brightness for all the lighting devices 11 to 14 when the switching means 43 is off, that is, in the collective adjustment mode.
　輝度調整手段４２は、各センサーモード設定手段４４ａ～４４ｄのオンオフの状態に応じて、対応するエリアＡ～Ｄの照明装置１１～１４に関する輝度指示信号Ｓ１に、センサーモード情報Ｓ２を付加した制御信号Ｓを生成する。輝度調整手段４２は、センサーモード情報Ｓ２が付加された制御信号Ｓを、各ターミナルユニット３１～３４に送出する。 The brightness adjusting means 42 is a control signal obtained by adding sensor mode information S2 to the brightness instruction signals S1 related to the illumination devices 11 to 14 in the corresponding areas A to D according to the on / off states of the sensor mode setting means 44a to 44d. S is generated. The brightness adjusting means 42 sends the control signal S to which the sensor mode information S2 is added to the terminal units 31 to 34.
　輝度調整手段４２は、切換手段４３によってモードの切り換えがなされる際に、照明装置１１～１４の設定輝度を以下のように設定する。 The brightness adjusting means 42 sets the set brightness of the lighting devices 11 to 14 as follows when the mode is switched by the switching means 43.
　輝度調整手段４２は、切換手段４３によって個別調整モードから一括調整モードに切り換えられるとき、すべての照明装置１１～１４の設定輝度を以前の一括調整モードにおいて設定された設定輝度とする。もしくは、すべての照明装置１１～１４の設定輝度を現在設定されている輝度とする。ここで、現在設定されている輝度とは、一括調整モードに切り換えた後において、調整つまみ４２ａにより設定される輝度のことをいう。 When the switching unit 43 switches from the individual adjustment mode to the batch adjustment mode, the brightness adjustment unit 42 sets the set brightness of all the lighting devices 11 to 14 to the set brightness set in the previous batch adjustment mode. Alternatively, the set brightness of all the lighting devices 11 to 14 is set to the currently set brightness. Here, the currently set brightness means the brightness set by the adjustment knob 42a after switching to the batch adjustment mode.
　また、輝度調整手段４２は、切換手段４３によって一括調整モードから個別調整モードに切り換えられるとき、選択手段４１により選択される照明装置１１～１４に対して、調整つまみ４２ａにより調整される輝度を設定する。一方、選択手段４１により選択されない残りの照明装置１１～１４については、切換前の一括調整モードにおいて設定された輝度が保持されるようにする。 Further, when the switching unit 43 switches from the collective adjustment mode to the individual adjustment mode, the luminance adjustment unit 42 sets the luminance adjusted by the adjustment knob 42a for the lighting devices 11 to 14 selected by the selection unit 41. To do. On the other hand, for the remaining lighting devices 11 to 14 not selected by the selection means 41, the luminance set in the batch adjustment mode before switching is maintained.
　また、輝度調整手段４２は、個別調整モードにおいて選択手段４１ａ～４１ｄがオフとされ、対応する照明装置１１～１４の選択が解除されるとき、選択が解除された照明装置１１～１４の設定輝度として選択解除前に設定された輝度を保持する。 Also, the brightness adjusting means 42 is set when the selection means 41a to 41d are turned off in the individual adjustment mode, and the selection of the corresponding lighting devices 11 to 14 is canceled, the set brightness of the lighting devices 11 to 14 whose selection has been released. The brightness set before deselecting is held.
　輝度調整手段４２は、このようにして設定された設定輝度を保持する共とに、設定輝度に対応する輝度指示信号Ｓ１、センサーモード情報Ｓ２を付加した制御信号Ｓを各ターミナルユニット３１～３４に送出する。なお、コントロールユニット４０が情報通信の手法により制御信号Ｓを送付する場合、このようにして生成される制御信号Ｓを所定時間毎に送出する。 The luminance adjusting means 42 holds the set luminance set in this way and, at the same time, sends a control signal S to which the luminance instruction signal S1 corresponding to the set luminance and the sensor mode information S2 are added to each of the terminal units 31 to 34. Send it out. In addition, when the control unit 40 sends the control signal S by the information communication method, the control signal S generated in this way is sent every predetermined time.
　本実施形態による調光システム１０は、以下のように動作する。
　コントロールユニット４０の切換手段４３がオフであって一括調整モードとなる場合、調整つまみ４２ａを操作することにより、すべての照明装置１１～１４の設定輝度が一律に調整される。そして、輝度調整手段４２は、調整された設定輝度に対応する輝度指示信号Ｓ１を生成する。
　同時に、輝度調整手段４２は、各センサーモード設定手段４４ａ～４４ｄのオンオフ状態に応じて、各照明装置１１～１４に関するセンサーのオフモードまたはオンモードを示すセンサーモード情報Ｓ２を生成する。
　これにより、輝度調整手段４２は、これらの輝度指示信号Ｓ１及びセンサーモード情報Ｓ２に各照明装置１１～１４の識別情報を追加して制御信号Ｓを生成し、各ターミナルユニット３１～３４に対して送出する。 The dimming system 10 according to the present embodiment operates as follows.
When the switching means 43 of the control unit 40 is off and the batch adjustment mode is set, the set brightness of all the lighting devices 11 to 14 is uniformly adjusted by operating the adjustment knob 42a. Then, the brightness adjusting unit 42 generates a brightness instruction signal S1 corresponding to the adjusted set brightness.
At the same time, the brightness adjusting unit 42 generates sensor mode information S2 indicating the off mode or the on mode of the sensors related to each of the lighting devices 11 to 14 according to the on / off states of the sensor mode setting units 44a to 44d.
Thereby, the brightness adjusting means 42 generates the control signal S by adding the identification information of each of the lighting devices 11 to 14 to the brightness instruction signal S1 and the sensor mode information S2, and sends the control signal S to the terminal units 31 to 34. Send it out.
　これを受けて、各ターミナルユニット３１～３４は、それぞれ対応するエリアＡ～Ｄに関する制御信号Ｓを取りだして、対応する照明装置１１～１４に輝度指示信号を送出する。
　各ターミナルユニット３１～３４は、制御信号Ｓに含まれるセンサーモード情報Ｓ２がオフモードである場合、またはセンサーモード情報Ｓ２がオンモードであってセンサー２１～２４からの検出信号がない場合、輝度指示信号Ｓ１を照明装置１１～１４に送出し、これらの照明装置１１～１４をそれぞれ設定輝度で発光させる。
　また、各ターミナルユニット３１～３４は、センサーモード情報Ｓ２がオンモードであってセンサー２１～２４からの検出信号がある場合、輝度指示信号Ｓ１にかかわらず、照明装置１１～１４に最大輝度の輝度指示信号を送出して、各照明装置１１～１４をそれぞれ最大輝度で発光させる。 In response to this, each of the terminal units 31 to 34 extracts the control signal S related to the corresponding area A to D, and sends a luminance instruction signal to the corresponding lighting device 11 to 14.
When each of the terminal units 31 to 34 is in the off mode when the sensor mode information S2 included in the control signal S is in the off mode, or when the sensor mode information S2 is in the on mode and there is no detection signal from the sensors 21 to 24, The signal S1 is sent to the illuminating devices 11 to 14, and the illuminating devices 11 to 14 are caused to emit light at the set brightness.
In addition, when the sensor mode information S2 is in the on mode and there is a detection signal from the sensors 21 to 24, the terminal units 31 to 34 have the maximum luminance of the lighting devices 11 to 14 regardless of the luminance instruction signal S1. An instruction signal is sent to cause each of the lighting devices 11 to 14 to emit light with the maximum luminance.
　一方、コントロールユニット４０の切換手段４３がオンとなって一括調整モードから個別調整モードに切り換えられる場合、調整つまみ４２ａの操作により、選択手段４１ａ～４１ｄをオンとすることで選択された照明装置１１～１４の設定輝度が調整される。
　選択手段４１ａ～４１ｄのうち、複数の選択手段４１ａ～４１ｄがオンであれば、選択された複数の照明装置１１～１４について設定輝度の調整がなされ、調整された設定輝度が保持される。また、選択手段４１ａ～４１ｄがオフであって、選択されない照明装置１１～１４については、切換前の一括調整モードにて設定された設定輝度が保持される。
　輝度調整手段４２は、このようにして設定された設定輝度に基づいて、各照明装置１１～１４に関する輝度指示信号Ｓ１を生成し、またセンサーモード設定手段４４ａ～４４ｄのオンオフ状態に基づいて、同様にセンサーモード情報Ｓ２を生成することにより、制御信号Ｓを生成し、各ターミナルユニット３１～３４に対して送出する。 On the other hand, when the switching means 43 of the control unit 40 is turned on to switch from the collective adjustment mode to the individual adjustment mode, the lighting device 11 selected by turning on the selection means 41a to 41d by operating the adjustment knob 42a. The set brightness of ˜14 is adjusted.
If the plurality of selection units 41a to 41d among the selection units 41a to 41d are turned on, the set luminance is adjusted for the selected plurality of lighting devices 11 to 14, and the adjusted set luminance is held. In addition, for the lighting devices 11 to 14 that are not selected and the selection units 41a to 41d are not selected, the set luminance set in the batch adjustment mode before switching is maintained.
The brightness adjusting means 42 generates a brightness instruction signal S1 related to each of the lighting devices 11 to 14 based on the set brightness set in this way, and similarly based on the on / off states of the sensor mode setting means 44a to 44d. By generating the sensor mode information S2, the control signal S is generated and sent to the terminal units 31 to 34.
　これを受けて、各ターミナルユニット３１～３４は、一括調整モードの場合と同様に、それぞれ対応するエリアＡ～Ｄに関する制御信号Ｓを取りだして、対応する照明装置１１～１４にそれぞれ輝度指示信号Ｓ１を送出する。
　各ターミナルユニット３１～３４は、制御信号Ｓに含まれるセンサーモード情報Ｓ２がオフモードである場合、またはセンサーモード情報Ｓ２がオンモードであってセンサー２１～２４からの検出信号がない場合、照明装置１１～１４に輝度指示信号Ｓ１を送出し、これらの照明装置１１～１４をそれぞれ設定輝度で発光させる。
　また、各ターミナルユニット３１～３４は、センサーモード情報Ｓ２がオンモードであってセンサー２１～２４からの検出信号がある場合、輝度指示信号Ｓ１にかかわらず、照明装置１１～１４に最大輝度の輝度指示信号を送出して、各照明装置１１～１４をそれぞれ最大輝度で発光させる。 In response to this, each terminal unit 31 to 34 takes out the control signal S related to the corresponding area A to D as in the case of the collective adjustment mode, and sends the luminance instruction signal S1 to the corresponding lighting device 11 to 14 respectively. Is sent out.
When the sensor mode information S2 included in the control signal S is in the off mode, or when the sensor mode information S2 is in the on mode and there is no detection signal from the sensors 21 to 24, the terminal units 31 to 34 A luminance instruction signal S1 is sent to 11 to 14, and these illumination devices 11 to 14 are caused to emit light at a set luminance, respectively.
In addition, when the sensor mode information S2 is in the on mode and there is a detection signal from the sensors 21 to 24, the terminal units 31 to 34 have the maximum luminance of the lighting devices 11 to 14 regardless of the luminance instruction signal S1. An instruction signal is sent to cause each of the lighting devices 11 to 14 to emit light with the maximum luminance.
　各ターミナルユニット３１～３４は、コントロールユニット４０からの制御信号Ｓを一定時間の間受信できないとき、対応する照明装置１１～１４に最大輝度の輝度指示信号を送出して、これらの照明装置１１～１４をそれぞれ最大輝度で発光させる。これにより、コントロールユニット４０が故障等により制御信号Ｓを送出できなくなった場合等であっても、照明装置１１～１４を最大輝度で発光させることができる。その結果、従来のように照明装置１１～１４が消灯してしまったり、低輝度で光り続けたりすることを防ぐことができる。 When the terminal units 31 to 34 cannot receive the control signal S from the control unit 40 for a certain period of time, each terminal unit 31 to 34 sends a luminance instruction signal with the maximum luminance to the corresponding lighting devices 11 to 14, and these lighting devices 11 to Each of 14 is made to emit light with the maximum luminance. Accordingly, even when the control unit 40 cannot send the control signal S due to a failure or the like, the lighting devices 11 to 14 can emit light with the maximum luminance. As a result, it is possible to prevent the lighting devices 11 to 14 from being extinguished or continuing to shine at a low luminance as in the prior art.
　各ターミナルユニット３１～３４は、コントロールユニット４０から給電されることにより動作しているが、この給電が遮断した場合には、各ターミナルユニット３１～３４は、各照明装置１１～１４をそれぞれ最大輝度で発光させるようにする。より具体的には、各ターミナル３１～３４は、給電されない状況下において、対応する照明装置１１～１４に輝度指示信号を送出するための出力が開放状態、または高インピーダンス状態となるように構成される。その結果、各照明装置１１～１４は、輝度指示信号が高レベルであるとして、最大輝度で発光する。このとき、各照明装置１１～１４をターミナルユニット３１～３４とは別に独立的に給電しておくことで、ターミナルユニット３１～３４またはコントロールユニット４０の停電に影響されることなく、各照明装置１１～１４を最大輝度で発光させることができる。 Each of the terminal units 31 to 34 operates by being supplied with power from the control unit 40. When this power supply is cut off, each of the terminal units 31 to 34 causes each of the lighting devices 11 to 14 to have maximum brightness. Make it emit light. More specifically, each of the terminals 31 to 34 is configured such that an output for sending a luminance instruction signal to the corresponding lighting devices 11 to 14 is in an open state or a high impedance state in a situation where power is not supplied. The As a result, each of the lighting devices 11 to 14 emits light at the maximum luminance, assuming that the luminance instruction signal is at a high level. At this time, by separately supplying power to each of the lighting devices 11 to 14 separately from the terminal units 31 to 34, each lighting device 11 is not affected by a power failure of the terminal units 31 to 34 or the control unit 40. 14 to 14 can emit light with the maximum luminance.
　本発明はその趣旨を逸脱しない範囲において様々な形態で実施することができる。
　上述した実施形態において、調光システム１０は、一つのコントロールユニット４０により、四つのエリアＡ～Ｄにおける照明装置１１～１４の調光を行なうように構成されているが、これに限らず、一つ～三つまたは五つ以上のエリアにそれぞれ、照明装置，ターミナルユニット，センサーを配置して、各照明装置を一括または個別に調光できるようにしてもよい。 The present invention can be implemented in various forms without departing from the spirit of the present invention.
In the above-described embodiment, the light control system 10 is configured to perform light control of the lighting devices 11 to 14 in the four areas A to D by one control unit 40. However, the present invention is not limited to this. A lighting device, a terminal unit, and a sensor may be arranged in each of three to three or five or more areas so that each lighting device can be dimmed collectively or individually.
　上述した実施形態においては、各ターミナルユニット３１～３４は、コントロールユニット４０から給電されるように構成されているが、これに限らず、各ターミナルユニット３１～３４は、対応する照明装置１１～１４と同様に、独立的に給電されてもよい。 In the embodiment described above, each of the terminal units 31 to 34 is configured to be supplied with power from the control unit 40. However, the present invention is not limited to this, and each of the terminal units 31 to 34 corresponds to the corresponding lighting device 11 to 14. Similarly, power may be supplied independently.
　上述した実施形態においては、コントロールユニット４０から各ターミナルユニット３１～３４に対して制御信号Ｓが送出されるように構成されているが、この制御信号Ｓは、アナログ信号であってもデジタル信号であってもよい。また、コントロールユニット４０から各ターミナルユニット３１～３４への配線は、特に限定されない。これらの配線には、選択手段４１、調整つまみ４２ａやセンサーモード設定手段４４などのスイッチの状態が直接的に伝送されてもよいし、これらスイッチの状態を符号化して生成される情報が情報通信の手法により伝送されてもよい。通信は、有線通信であっても無線通信であってもよく、またＬＡＮとして構成されていてもよい。 In the embodiment described above, the control signal S is sent from the control unit 40 to each of the terminal units 31 to 34. The control signal S is a digital signal even if it is an analog signal. There may be. Further, the wiring from the control unit 40 to each of the terminal units 31 to 34 is not particularly limited. The state of the switches such as the selection unit 41, the adjustment knob 42a, and the sensor mode setting unit 44 may be directly transmitted to these wirings, or information generated by encoding these switch states is information communication. It may be transmitted by the method. The communication may be wired communication or wireless communication, and may be configured as a LAN.
　上述した実施形態においては、コントロールユニット４０に設けられる選択手段４１ａ～４１ｄ，切換手段４３，センサーモード設定手段４４ａ～４４ｄは、それぞれスイッチにより構成されているが、これに限らず、入力可能な手段であればその他の手段であってもよく、例えば、タッチパネル方式等であってもよい。 In the embodiment described above, the selection means 41a to 41d, the switching means 43, and the sensor mode setting means 44a to 44d provided in the control unit 40 are each constituted by a switch. Any other means may be used, for example, a touch panel method or the like.
　上述した実施形態においては、コントロールユニット４０は、選択手段４１ａ～４１ｄ，輝度調整手段４２，切換手段４３及びセンサーモード設定手段４４ａ～４４ｄが手作業で操作される場合を示した。変形例においては、例えばサーバー等から制御情報をコントロールユニット４０に入力して、各照明装置１１～１４の設定輝度を調整できるようにしてもよい。この場合、複数組の調光システム１０を用意し、各調光システム１０におけるコントロールユニット４０に対してサーバー等から制御情報を一括して入力し、各調光システム１０の照明装置を制御してもよい。 In the embodiment described above, the control unit 40 has shown the case where the selection means 41a to 41d, the brightness adjustment means 42, the switching means 43 and the sensor mode setting means 44a to 44d are manually operated. In a modification, for example, control information may be input from the server or the like to the control unit 40 so that the set brightness of each of the lighting devices 11 to 14 can be adjusted. In this case, a plurality of sets of light control systems 10 are prepared, and control information is collectively input from a server or the like to the control unit 40 in each light control system 10 to control the lighting device of each light control system 10. Also good.
　また、複数組の調光システム１０を用意して、各調光システム１０におけるコントロールユニット４０を相互に接続し、一つのコントロールユニット４０により他のコントロールユニット４０を制御するようにしてもよい。 Alternatively, a plurality of sets of light control systems 10 may be prepared, the control units 40 in each light control system 10 may be connected to each other, and the other control unit 40 may be controlled by one control unit 40.
　上述した実施形態においては、照明装置１１～１４として、ＬＥＤ照明装置が使用されているが、これに限らず、ＬＥＤ以外の他の光源を使用した照明装置であってもよい。 In the above-described embodiment, LED lighting devices are used as the lighting devices 11 to 14. However, the present invention is not limited to this, and lighting devices using light sources other than LEDs may be used.
　１０　調光システム
　１１～１４　照明装置
　１１ａ　輝度指示信号入力
　１１ｂ　プルアップ抵抗
　２１～２４　センサー
　３１～３４　ターミナルユニット
　３１ａ　フォトカプラ
　３１ｂ　発光素子
　３１ｃ　受光素子
　４０　コントロールユニット
　４１，４１ａ，４１ｂ，４１ｃ，４１ｄ　選択手段
　４２　輝度調整手段
　４２ａ　調整つまみ
　４３　切換手段
　４４，４４ａ，４４ｂ，４４ｃ，４４ｄ　センサーモード設定手段
　Ｓ　制御信号
　Ｓ１　輝度指示信号
　Ｓ２　センサーモード情報 DESCRIPTION OF SYMBOLS 10 Light control system 11-14 Lighting apparatus 11a Luminance instruction | indication signal input 11b Pull-up resistance 21-24 Sensor 31-34 Terminal unit 31a Photocoupler 31b Light emitting element 31c Light receiving element 40 Control unit 41, 41a, 41b, 41c, 41d Selection means 42 brightness adjustment means 42a adjustment knob 43 switching means 44, 44a, 44b, 44c, 44d sensor mode setting means S control signal S1 brightness instruction signal S2 sensor mode information

Claims (13)

  1. 　照明すべき複数のエリアに対応して配置される複数の照明装置と、対応する照明装置にそれぞれが接続され、対応する照明装置の輝度を制御する複数のターミナルユニットと、前記複数のターミナルユニットの動作を制御する一つのコントロールユニットと、を備え、
    　前記コントロールユニットは、エリア毎に設定される照明装置の輝度に対応する輝度指示信号を含む制御信号を各ターミナルユニットに送出し、
    　前記複数のターミナルユニットは、前記コントロールユニットからの制御信号に基づいて、対応する照明装置を輝度指示信号にしたがう所定の輝度で発光させることを特徴とする調光システム。     A plurality of lighting devices arranged corresponding to a plurality of areas to be illuminated, a plurality of terminal units each connected to the corresponding lighting device and controlling the luminance of the corresponding lighting device, and the plurality of terminal units One control unit for controlling the operation,
    The control unit sends a control signal including a luminance instruction signal corresponding to the luminance of the lighting device set for each area to each terminal unit,
    The light control system, wherein the plurality of terminal units emit light at a predetermined luminance according to a luminance instruction signal based on a control signal from the control unit.
  2. 　前記コントロールユニットは、輝度調整の対象とする照明装置を選択する選択手段と、選択される照明装置の輝度を調整する輝度調整手段と、を備えることを特徴とする請求項１に記載の調光システム。 The light control according to claim 1, wherein the control unit includes a selection unit that selects a lighting device to be subjected to luminance adjustment, and a luminance adjustment unit that adjusts the luminance of the selected lighting device. system.
  3. 　前記コントロールユニットは、一括調整モードと個別調整モードとを切り換える切換手段を備え、
    　前記輝度調整手段は、
    　ｉ）個別調整モードである場合、前記選択手段により選択される照明装置の設定輝度を調整し、調整された設定輝度に対応する輝度指示信号を含む制御信号を選択された照明装置に対応するターミナルユニットに送出し、
    　ｉｉ）一括調整モードである場合、前記複数の照明装置の輝度を一律に調整し、一律に調整された設定輝度に対応する輝度指示信号を含む制御信号を前記複数のターミナルユニットに送出することを特徴とする請求項２に記載の調光システム。     The control unit includes switching means for switching between a batch adjustment mode and an individual adjustment mode,
    The brightness adjusting means includes
    i) In the individual adjustment mode, the terminal corresponding to the selected illumination device is adjusted with the control signal including the luminance instruction signal corresponding to the adjusted set luminance, by adjusting the set luminance of the illumination device selected by the selection unit. To the unit,
    ii) In the collective adjustment mode, the brightness of the plurality of lighting devices is uniformly adjusted, and a control signal including a brightness instruction signal corresponding to the uniformly set brightness is sent to the plurality of terminal units. The light control system according to claim 2, wherein
  4. 　前記輝度調整手段は、個別調整モードから一括調整モードに切り換えられる場合、前記複数の照明装置の設定輝度を以前の一括調整モードにて設定された設定輝度、もしくは、切換後の一括調整モードにて調整される設定輝度とすることを特徴とする請求項３に記載の調光システム。 When the brightness adjustment means is switched from the individual adjustment mode to the batch adjustment mode, the set brightness of the plurality of lighting devices is set in the previous batch adjustment mode or in the batch adjustment mode after switching. The dimming system according to claim 3, wherein the set luminance is adjusted.
  5. 　前記輝度調整手段は、一括調整モードから個別調整モードに切り換えられる場合、前記選択手段により選択される照明装置の設定輝度を切換後の個別調整モードにて調整される設定輝度とし、残りの照明装置の設定輝度を切換前の一括調整モードにて設定された設定輝度とすることを特徴とする請求項３または４に記載の調光システム。 When the brightness adjustment means is switched from the batch adjustment mode to the individual adjustment mode, the setting brightness of the lighting device selected by the selection means is set to the setting brightness adjusted in the individual adjustment mode after switching, and the remaining lighting devices 5. The light control system according to claim 3, wherein the set brightness is set to the set brightness set in the batch adjustment mode before switching.
  6. 　前記輝度調整手段は、個別調整モードにおいて前記選択手段による選択が解除される場合、選択が解除される照明装置の設定輝度を選択解除前に設定された設定輝度とすることを特徴とする請求項３から５のいずれか一項に記載の調光システム。 The brightness adjustment means, when the selection by the selection means is canceled in the individual adjustment mode, the set brightness of the lighting device to be canceled is set to the set brightness set before the selection is canceled. The light control system as described in any one of 3 to 5.
  7. 　各照明装置が照明すべきエリアにおける人等の存在を検出し、対応するターミナルユニットに検出信号を送出するセンサーをさらに備え、
    　前記コントロールユニットは、照明すべきエリア毎にセンサーモード情報を設定するセンサーモード設定手段を備えており、
    　前記輝度調整手段は、前記センサーモード設定手段により設定されたセンサーモード情報を、輝度指示信号を含む制御信号に追加して各ターミナルユニットに送出し、
    　前記ターミナルユニットは、
    　ｉ）前記センサーモード情報がオフモードの場合、及び、前記センサーモード情報がオンモードであって対応するセンサーからの検出信号がない場合、対応する照明装置を設定輝度で発光させ、
    　ｉｉ）前記センサーモード情報がオンモードであって対応するセンサーからの検出信号がある場合、対応する照明装置を最大輝度で発光させることを特徴とする請求項２から６のいずれか一項に記載の調光システム。     Each lighting device further includes a sensor that detects the presence of a person or the like in an area to be illuminated and sends a detection signal to a corresponding terminal unit,
    The control unit includes sensor mode setting means for setting sensor mode information for each area to be illuminated,
    The brightness adjusting means adds the sensor mode information set by the sensor mode setting means to a control signal including a brightness instruction signal and sends it to each terminal unit,
    The terminal unit is
    i) When the sensor mode information is in the off mode, and when the sensor mode information is in the on mode and there is no detection signal from the corresponding sensor, the corresponding lighting device is caused to emit light at the set brightness.
    ii) When the sensor mode information is on mode and there is a detection signal from a corresponding sensor, the corresponding lighting device is caused to emit light at the maximum luminance. Dimming system.
  8. 　前記コントロールユニットは、所定時間毎に各ターミナルユニットに対して制御信号を送出し、
    　前記ターミナルユニットは、前記コントロールユニットからの制御信号を前記所定時間を超える一定時間にわたって受信できない場合、対応する照明装置を最大輝度で発光させることを特徴とする請求項１から７のいずれか一項に記載の調光システム。     The control unit sends a control signal to each terminal unit every predetermined time,
    The said terminal unit makes a corresponding illuminating device light-emit with maximum brightness | luminance, when the control signal from the said control unit cannot be received over the fixed time exceeding the said predetermined time. Dimming system described in 1.
  9. 　前記複数の照明装置は、対応するターミナルユニットと別に給電されており、対応するターミナルユニットへの給電がなされない場合に最大輝度で発光するように構成されることを特徴とする、請求項１から８のいずれか一項に記載の調光システム。 The plurality of lighting devices are configured to be supplied with power separately from a corresponding terminal unit, and configured to emit light at maximum brightness when power is not supplied to the corresponding terminal unit. The dimming system according to claim 8.
  10. 　前記複数の照明装置は、対応するターミナルユニットから輝度指示信号を受信するための入力が開放状態または高インピーダンス状態となる場合に、最大輝度で発光するように構成されることを特徴とする請求項１から９のいずれか一項に記載の調光システム。 The plurality of lighting devices are configured to emit light at a maximum luminance when an input for receiving a luminance instruction signal from a corresponding terminal unit is in an open state or a high impedance state. The light control system as described in any one of 1 to 9.
  11. 　前記複数のターミナルユニットは、当該ターミナルユニットへの給電がなされない場合に、対応する照明装置に輝度指示信号を送出するための出力を開放状態または高インピーダンス状態とするように構成されることを特徴とする請求項１０に記載の調光システム。 The plurality of terminal units are configured so that an output for sending a luminance instruction signal to a corresponding lighting device is in an open state or a high impedance state when power is not supplied to the terminal unit. The light control system according to claim 10.
  12. 　複数組の請求項１から１０のいずれか一項に記載の調光システムと、各調光システムのコントロールユニットを制御する為のマスターコントロールユニットと、を含むことを特徴とする大規模調光システム。 A large-scale dimming system comprising a plurality of sets of dimming systems according to any one of claims 1 to 10 and a master control unit for controlling a control unit of each dimming system .
  13. 　複数組の請求項１から１０のいずれか一項に記載の調光システムを含み、各調光システムのコントロールユニットが互いに接続され、各コントロールユニットまたは何れか一つのコントロールユニットが他のコントロールユニットを制御するように構成されることを特徴とする大規模調光システム。 A plurality of sets of dimming systems according to any one of claims 1 to 10, wherein control units of each dimming system are connected to each other, and each control unit or one of the control units is connected to another control unit. A large dimming system characterized by being configured to control.
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