JP2013258077A - Illumination control system - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide an illumination control system capable of preventing that an illuminating fixture is wrongly extinguished when there is a person in a detection area of a radio transmitter.SOLUTION: An illumination control system 1 comprises: a plurality of radio transmitters 8a and 8b controlling an operation of an illuminating fixture 9 on the basis of respective detection results of an illuminance sensor and a heat ray sensor; a radio receiver 7 communicating by radio with the plurality of radio transmitters 8a and 8b; a terminal unit 3 for relay control controlling the illuminating fixture 9 to be a control target; and a transmission unit 2 connected with the radio receiver 7 and the terminal unit 3 for relay control via a signal line to transmit/receive control data. The radio transmitters 8a and 8b control a standby state where the illuminance sensor is turned off, or an ON state where the illuminance sensor is operated, on the basis of flag information of virtual illuminance setting for managing an on/off state of the illuminance sensor, which is received from the radio receiver 7. Thereby, when there is a person in a detection area of the radio transmitter, wrong extinguishment of the illuminating fixture 9 is prevented.

Description

  The present invention relates to a plurality of wireless transmitters including a heat ray sensor and an illuminance sensor, and an illumination control system that controls a lighting fixture using a wireless receiver wirelessly connected to the plurality of wireless transmitters.

  Conventionally, lighting control systems that control the ON / OFF and dimming status of multiple lighting fixtures individually or collectively in cooperation with sensors such as brightness sensors and human sensors in homes and buildings have been introduced. Has been. In this illumination control system, the ON / OFF of the lighting fixture can be appropriately controlled according to the brightness of external light and the presence of a person, so that energy saving can be achieved.

  For example, the illumination control system shown in FIG. 8 includes wireless transmitters 101a and 101b having a heat ray sensor and an illuminance sensor, a wireless receiver 102 connected by wireless communication with the wireless transmitters 101a and 101b, a transmission unit 103, A relay control terminal 104. The transmission unit 103 is connected to the wireless receiver 102 and the relay control terminal 104 via the two-wire signal line Ls, and the transmission unit 103 is connected to the lighting device 105 generated in the wireless transmitters 101a and 101b via the wireless receiver 102. Control information is received and operation control is performed.

  Next, the operation of the illumination control system shown in this figure will be described. First, when the ambient light value detected by the illuminance sensor is equal to or lower than a predetermined set illuminance value and the input from the heat ray sensor exceeds the threshold value, the wireless transmitter 101a detects the luminaire with the predetermined address. An ON control request for ON control is transmitted to the wireless receiver 102 (S110).

  Next, the wireless receiver 102 that has received the ON control request transmits an ON notification that is control data to the transmission unit 103 (S111). Then, the transmission unit 103 transmits a control command signal including the address information of the lighting fixture 105 and the ON control state to the relay control terminal 104 corresponding to the lighting fixture 105 to be controlled (S112). . Then, the relay control terminal 104 controls the lighting device 105 to be ON, and notifies the transmission unit 103 of ACK indicating that the ON control of the lighting device 105 has been completed (S113). Further, the transmission unit 103 notifies the wireless receiver 102 that the ON control of the lighting fixture 105 has been completed (S114).

  The wireless transmitter 101a transmits an OFF control request for OFF control of the lighting fixture 105 to the wireless receiver 102 when the operation holding time expires after transmitting the ON control request (S115). The wireless receiver 102 that has received the OFF control request transmits an OFF notification as control data to the transmission unit 103 (S116). Then, the transmission unit 103 transmits a control command signal including the address information of the lighting fixture 105 and the OFF control state to the relay control terminal 104 corresponding to the lighting fixture 105 to be controlled (S117). . Next, the relay control terminal 104 controls the lighting apparatus 105 to be OFF, and notifies the transmission unit 103 of ACK indicating that the OFF control has been completed (S118). In addition, the transmission unit 103 notifies the receiver 102 that the OFF control of the lighting fixture 105 has been completed (S119).

  By the way, as a remote monitoring control system that controls a lighting fixture with a two-wire remote controller, a remote monitoring control system that can perform desired control according to the presence or absence of a person in a detection area with a simple configuration is disclosed ( For example, see Patent Document 1).

JP 2000-341768 A

  However, in the conventional lighting control system described above, the same address may be set in the plurality of wireless transmitters 101a and 101b as the address information of the lighting load to be controlled. In this case, the plurality of wireless transmitters 101a and 101b are affected by the illuminance of the lighting fixtures that are controlled by each other, such as being arranged close to each other.

  That is, as shown in FIG. 8, when a person is detected by the wireless transmitter 101b, since the ON control request (S110) is made from the wireless transmitter 101a, the lighting fixture 105 has already been turned on, and the wireless transmitter 101b. The detection area is bright. For this reason, the ambient illuminance value detected by the illuminance sensor of the wireless transmitter 101b is higher than the preset illuminance value, and even when a person is detected by the wireless transmitter 101b, an ON control request for the lighting fixture 105 is made. It is not transmitted to the wireless receiver 102 (S120).

  In this case, since the lighting fixture 105 is controlled to be extinguished when the OFF control request is transmitted after the operation holding time of the wireless transmitter 101a expires (S115), the lighting fixture can be used even if there is a person in the detection area of the wireless transmitter 101b. There is a problem that 105 is turned off.

  The present invention has been made in view of the above problems, and lighting control that prevents a lighting fixture from being turned off accidentally when there is a person in a detection area of a wireless transmitter having a heat ray sensor and an illuminance sensor. The purpose is to provide a system.

  In order to achieve the above object, the present invention provides an illumination load operation control based on detection results of an illuminance sensor that detects illuminance in a detection area and a heat ray sensor that detects heat rays emitted from a human body in the detection area. A plurality of wireless transmitters, a wireless receiver wirelessly communicating with the plurality of wireless transmitters, a control terminal for controlling a lighting load to be controlled, the wireless receiver via a signal line, and the In a lighting control system comprising a transmission unit connected to a control terminal and transmitting / receiving control data, the plurality of wireless transmitters are set with the same address as address information of a lighting load for operation control The wireless transmitter transmits the illuminance sensor based on virtual illuminance setting flag information for managing the on / off state of the illuminance sensor received from the wireless receiver. The standby state of the cut, or a control means for controlling the ON state for operating the illuminance sensor, it is characterized.

  In this illumination control system, the control means of the wireless transmitter is configured so that, in the ON state, a preset illuminance value set in advance for controlling the illumination load is greater than or equal to an ambient illuminance value that is actually detected, and the hot wire sensor. When a person is detected, control is performed to transmit an ON control request for ON control of the lighting load at the address to the wireless receiver, and the wireless receiver receives the ON control request when the ON control request is received. Virtual illuminance setting having flag information corresponding to the standby state for a plurality of wireless transmitters to which the same address is set, while transmitting control data for ON control of the lighting load of It is preferable to provide a processing means for transmitting.

  In this lighting control system, the control means of the wireless transmitter has a preset illuminance value that is preset for controlling the lighting load in the ON state being less than the ambient illuminance value that is actually detected, and is When detected, or when a person is detected by the heat ray sensor in the standby state, control to send a human detection notification for notifying that there is a person in the detection area to the wireless receiver, The processing means of the wireless receiver preferably does not transmit control data for ON-controlling the lighting load at the address to the transmission unit when the person detection notification is received.

  In the illumination control system, the wireless transmitter further includes a timer unit that measures a predetermined operation holding time after the ON control request and the human detection notification are transmitted, and the control unit includes the timer unit. Based on this measurement, after the operation holding time has elapsed since the ON control request and the human detection notification were transmitted, an OFF control request for controlling the lighting load at the address to be OFF is transmitted to the wireless receiver. Control data for controlling the lighting load of the address to be OFF when the processing means of the wireless receiver receives all the OFF control requests corresponding to the received ON control request and the human detection notification. Is transmitted to the transmission unit, and flag information corresponding to the ON state is provided to the plurality of wireless transmitters to which the same address is set. It is preferable to transmit the virtual luminance setting that.

  According to the illumination control system according to the present invention, the plurality of wireless transmitters set with the same address as the address information of the illumination load to be controlled are illuminance based on the virtual illumination setting flag information received from the wireless receiver. Controls on / off of the sensor. As a result, based on the received OFF control information, the wireless receiver can always recognize the establishment of “AND OFF” that triggers the OFF control of the lighting fixture, and the lighting fixture when there is a person in the detection area of the wireless transmitter Can be prevented from being turned off accidentally.

It is a system configuration figure of the lighting control system concerning an embodiment of the invention. It is a functional block diagram of the radio transmitter with which a lighting control system same as the above is equipped. It is a functional block diagram of the radio | wireless receiver with which a lighting control system same as the above is equipped. It is a sequence diagram of a lighting control system same as the above. (A) The table which shows the establishment state of a radio receiver same as the above, (b) The table which shows the internal state hold | maintained at a radio transmitter same as the above. It is a flowchart which shows the operation | movement procedure of a radio transmitter same as the above. It is a flowchart which shows the operation | movement procedure of a radio receiver same as the above. It is a sequence diagram of the conventional illumination control system.

  An illumination control system according to an embodiment of the present invention will be described with reference to the drawings.

(Embodiment)
FIG. 1 shows a configuration of a lighting control system 1 according to the present embodiment. The lighting control system 1 includes a transmission unit 2, a relay control terminal 3, a remote control relay 4, a remote control transformer 5, a remote control switch 6, a wireless receiver 7, and wireless transmitters 8a and 8b (generically named 8) and a lighting fixture 9 are provided.

  The relay control terminal 3, the remote control switch 6, and the wireless receiver 7 are connected to the transmission unit 2 via a two-wire signal line, and exchange of information with the transmission unit 2 is performed using a signal line. The transmission signal is transmitted through a multiplex transmission method. In this lighting control system 1, wireless communication is performed between the wireless receiver 7 and the wireless transmitter 8, and the on / off state of the lighting fixture 9 and the illuminance in the room are automatically controlled.

  Based on the transmission signal from the remote control switch 6 or the wireless receiver 7, the transmission unit 2 specifies the lighting fixture 9 to be controlled from the address information included in the transmission signal, and specifies the control state for the lighting fixture 9. . Then, the transmission unit 2 sends the address information of the lighting fixture 9 and its control state (ON, OFF, dimming level, etc.) to the relay control terminal 3 corresponding to the lighting fixture 9 to be controlled. Transmit as a control command signal.

  The lighting fixture 9 existing in the lighting control system 1 can be uniquely specified by the load address. Specifically, a unique identifier called a load channel (Ch) is assigned to the relay control terminal 3, and a load number (Nm) is assigned to the remote control relay 4 connected to the relay control terminal 3. A unique identifier called is assigned. The load address (Ch-Nm) is configured by combining the load channel (Ch) and the load number (Nm).

  The relay control terminal 3 has a function as a load control terminal that controls the state of the lighting fixture 9 according to the control state of the relay. Based on the transmission signal from the transmission unit 2, the relay control terminal 3 sends a control signal to the remote control relay 4 corresponding to the lighting fixture 9 to be controlled among the remote control relays 4 connected to the relay control terminal 3. Thus, the state of the remote control relay 4 is controlled. The individual relays of the remote control relay 4 are controlled by the relay control terminal 3 to turn on / off the commercial AC from the breaker power source (AC 100 or 200 V) 10 or the like, thereby turning the lighting fixture 9 on or off. To.

  The remote control transformer 5 supplies driving power to the relay control terminal 3 and the remote control relay 4.

  The remote control switch 6 has a function as an input terminal for outputting a control command for controlling the lighting fixture 9. Specifically, the remote control switch 6 is a terminal device that is installed on an arbitrary wall surface such as a room, for example, and can be pushed by a user using the lighting fixture 9. In response to any of the operation switches being operated, the remote control switch 6 transmits the address information associated with the operation switch and the operation state of the operation switch to the transmission unit 2 as a control command.

  The wireless receiver 7 is embedded in the ceiling surface, wirelessly transmits / receives control information to / from the wireless transmitter 8, and is connected to a two-wire signal line to transmit / receive control data to / from the transmission unit 2. An address and an area number are set in the wireless receiver 7 using, for example, a radio wave type wireless address setting device.

  The radio transmitters 8a and 8b are installed on a wall surface in a layout-free manner, and include an illuminance sensor that detects illuminance around the detection area and a heat ray sensor that detects heat rays emitted from the human body in the detection area. On the back side of the radio transmitters 8a and 8b, an address setting selection knob operated by the user, an operation holding time setting knob, and the like are provided.

  The wireless transmitters 8a and 8b are set with the same address as the address information of the lighting fixture 9 to control the operation, and the illuminance sensors included in the plurality of wireless transmitters 8a and 8b are mutually controlled. A case is assumed in which the illuminance of the target lighting fixture 9 is affected.

  The heat ray sensor detects a heat ray emitted from a human body and monitors a human body detection signal output according to the presence or absence of a person in the detection area. The wireless transmitter 8 can transmit address information and control information for automatic ON / OFF control and automatic dimming of the lighting fixture 9 to the wireless receiver 7 when a movement of a person in the detection area is detected. And In addition, the wireless transmitter 8 transmits an OFF control request for turning off the lighting fixture 9 to the wireless receiver 7 after a predetermined operation holding time has elapsed since a person was detected in the detection area by the heat ray sensor.

  The illuminance sensor detects the brightness of the detection area (illuminance detection range of 5 to 1000 lux, etc.). The wireless transmitter 8 can transmit control information for controlling the lighting fixture 9 to the wireless receiver 7 based on the illuminance detected by the illuminance sensor. By illumination control using this illuminance sensor, it is possible to control the light by keeping the average illuminance constant according to the external light such as lighting after sunset, and energy saving can be achieved while maintaining the comfort of the illumination environment. Further, since the wireless transmitter 8 includes an illuminance sensor in addition to the heat ray sensor, it is possible to control lighting only when it is dark and there is a person.

  The radio transmitters 8a and 8b are set with the same individual address, the same pattern address, the same group address, and the like as the address information of the lighting fixture 9 to be controlled using, for example, a radio wave type wireless address setter. The The individual address is information for specifying the lighting fixture 9 to be subjected to individual control, and corresponds to a load address (individual “0-1” or the like). The group address is information for specifying a group subject to group control in order to collectively control a plurality of lighting fixtures 9 to the same control state, and is a number assigned to each preset group. ("G-1" etc.) corresponds to this. The pattern address is information for specifying a pattern for collectively controlling a plurality of lighting fixtures 9 to a predetermined control state predetermined for each lighting fixture 9. It is a number assigned (such as “P-1”).

  Next, the functional configuration of the wireless transmitter 8 provided in the illumination control system 1 will be described with reference to FIG. The wireless transmitter 8 includes a CPU (control means) 80, a power supply unit 81, a buzzer 82, a sub clock unit 83, a heat ray detection unit 84, an LED display unit 85, an address switching unit 86, a wireless transmission / reception unit 87, an illuminance measurement unit 88, A brightness setting unit 89, an operation holding time setting unit 90, and an address registration setting unit 91 are provided.

  The power supply unit 81 corresponds to the specific low-power radio and supplies internal power from a dedicated lithium ion secondary battery. The buzzer 82 generates a confirmation sound and a warning sound, and the sub clock unit 83 generates an operating frequency of the CPU 80 by a crystal resonator.

  The heat ray detector 84 includes a heat ray sensor such as a pyroelectric element that detects changes in the heat ray, amplifies the output of the heat ray sensor, and outputs the amplified output to the CPU 80. The CPU 80 determines the presence / absence of a person in the detection area by comparing the level of the output of the heat ray detection unit 84 with the stored predetermined threshold value.

  The LED display unit 85 blinks or emits light when a person is detected by the heat ray sensor, when an address is set, or when a power supply is insufficient. The wireless transmitter 8 is a value of a setting item (for example, set illuminance value, operation holding time or address data) input by the operation input unit 93, an ON state that is a current internal state of the wireless transmitter 8 described later, Whether the OFF state or the pseudo ON state is maintained. The wireless transmission / reception unit 87 is configured by connecting a dedicated ASIC to an antenna, and realizes transmission / reception of control information wirelessly with the wireless receiver 7.

  The illuminance measurement unit 88 includes an illuminance sensor such as CdS, a photodiode, or a phototransistor that detects ambient brightness, amplifies the output of the illuminance sensor, and outputs the amplified output to the CPU 80. The CPU 80 compares the output of the illuminance measuring unit 88 with the brightness of the held predetermined brightness level (setting level).

  The operation input unit 93 that is a knob unit provided on the back surface of the wireless transmitter 8 includes a brightness setting unit 89, an operation holding time setting unit 90, and an address registration setting unit 91. The brightness setting unit 89 is a change-over switch for changing the illuminance setting value for controlling the lighting fixture 9. The operation holding time setting unit 90 is a changeover switch for changing the time during which the lighting fixture 9 is kept on, and selects the operation holding time from 30 seconds, 3 minutes, 10 minutes, and the like. The address registration setting unit 91 transmits / receives data to / from a separate radio wave address setter and receives radio signals. The address switching unit 86 is a knob unit that selects an address from numbers 1 to 16 and the like.

  The timer unit 80a is provided in the CPU 80 and has a timer function for knowing the passage of a predetermined time by counting the clock, and interrupts the CUP 80 when the operation holding time of the wireless transmitter 8 input by the operation input unit 93 is detected. Is generated.

  Next, the functional configuration of the wireless receiver 7 provided in the illumination control system 1 will be described with reference to FIG. The wireless receiver 7 includes CPUs (processing means) 70a and 70b (collectively 70), wireless transmission / reception units 71a and 71b, a switch 72, a multiplexed transmission signal transmission / reception unit 73, a power supply unit 74, an LED display unit 75, and a memory. Part 76 is provided.

  The wireless transmission / reception units 71a and 71b are configured by connecting a dedicated ASIC to an antenna, and control information with the wireless transmitter 8 via a switch 72 that performs path switching with the plurality of wireless transmitters 8a and 8b. Realize transmission and reception. When receiving the control signal from the wireless transmitter 8, the wireless transmission / reception units 71a and 71b output detection signals to the CPUs 70a and 70b.

  A multiplex transmission signal transmission / reception unit 73 as a transmission communication unit transmits / receives transmission signals to / from the transmission unit 2 by a multiplex transmission method via a signal line Ls connected to the pair of terminals T1 and T1. The multiplex transmission signal transmission / reception unit 73 converts the transmission signal input via the signal line Ls and outputs it to the CPUs 70a and 70b, converts the signals output from the CPUs 70a and 70b into transmission signals, and converts them into signal lines. Send to Ls.

  The power supply unit 74 obtains an internal power supply by full-wave rectifying a transmission signal input via the signal line Ls by a full-wave rectifier and further converting the transmission signal to a constant voltage by a constant voltage unit.

  In the CPUs 70a and 70b, when the address data included in the transmission signal received via the multiplex transmission signal transmission / reception unit 73 matches the address data stored in the memory unit 76, the control data of the transmission signal is received and the control data corresponding to the control data is received. To work.

  The LED display unit 75 blinks or emits light when an address is set. The memory unit 76 is a non-volatile memory and stores values of setting items (for example, area numbers and addresses) and the current state of the wireless receiver 7.

  Next, the operation procedure of the illumination control system 1 will be described with reference to FIG. First, when the set illuminance value is equal to or greater than the ambient illuminance value actually detected by the illuminance sensor and the input from the heat ray sensor exceeds the threshold value, the wireless transmitter 8a detects the luminaire 9 having a predetermined address. An ON control request for ON control is transmitted to the wireless receiver 7 (S41). At this time, the wireless transmitter 8a is in a state in which the illuminance sensor is turned on (a state in which the virtual illuminance setting of flag 0 is received).

  Here, the virtual illuminance setting managed in the radio transmitters 8a and 8b will be described with reference to FIG. As shown in the table 10, the virtual illuminance setting is transmitted from the wireless receiver 7 to a plurality of wireless transmitters 8a and 8b on the wireless network in which the address of the same illumination load is set, and the illuminance sensor is turned on / off. It has flag information for managing. The wireless transmitters 8a and 8b having received the virtual illuminance setting of flag 0 are in the “ON state” with the illuminance sensor turned on, and the preset illuminance value is equal to or greater than the ambient illuminance value actually detected by the illuminance sensor. It is determined whether or not. The wireless transmitters 8a and 8b that have received the virtual illuminance setting of the flag 1 enter a “standby state” in which the illuminance sensor is turned off.

  Next, in FIG. 4, since the wireless receiver 7 receives the ON control request from any one of the wireless transmitters 8a and 8b when the ON control request in S51 is received, “OR ON” is established. An ON notification is transmitted to the transmission unit 2 as control data (S42).

  Here, the established state managed in the wireless receiver 7 will be described with reference to FIG. As shown in the table 11, the wireless receiver 7 recognizes that “OR ON” is established when the ON control request is received from any one of the plurality of wireless transmitters 8a and 8b when the lighting fixture 9 is turned off. This “OR ON” is a trigger for notifying the transmission unit 2 of ON. Further, the wireless receiver 7 recognizes that the operation state in which all the OFF control requests corresponding to the ON control requests and the human detection notifications received from the plurality of wireless transmitters 8 are received is “AND OFF”, and this “AND “OFF” is a trigger for notifying the transmission unit 2 of OFF.

  Next, the transmission unit 2 transmits the address information of the lighting fixture 9 and the ON control state as a control command signal to the relay control terminal 3 corresponding to the lighting fixture 9 to be controlled (S43). . Then, the relay control terminal 3 controls the lighting fixture 9 to ON, and returns an ACK indicating that the ON control has been completed to the transmission unit 2 (S44), and the transmission unit 2 sends the lighting fixture to the wireless receiver 7. 9 is informed that the ON control is completed (S45).

  Here, the wireless receiver 7 transmits the virtual illuminance setting including the flag 1 to the plurality of wireless transmitters 8a and 8b (S46, S47). The wireless transmitters 8a and 8b that have received the virtual illuminance setting including the flag 1 place the illuminance sensor in a stand-by state. For this reason, the wireless transmitters 8a and 8b cannot transmit an ON control request to the wireless receiver 7 even when the ambient illuminance value becomes dark and becomes equal to or lower than the set illuminance value during the standby state.

  And since the wireless transmitter 8b is already in a standby state at S47 and the illuminance sensor is turned off, when a person is detected by a heat ray sensor, a wireless detection notification indicating that a person is present in the detection area is received. 7 (S48). Thus, during the standby state, the radio transmitters 8a and 8b can transmit a human detection notification based on the heat ray sensor.

  Next, the wireless transmitter 8a transmits an OFF control request to the wireless receiver 7 when the operation holding time expires after transmitting the ON control request in S41 (S49). The wireless transmitter 8b transmits an OFF control request to the wireless receiver 7 when the operation holding time expires after transmitting the human detection notification in S48 (S50). When the wireless receiver 7 receives the OFF control request in S50, “AND OFF” is received in which all the OFF control requests corresponding to the ON control request and the human detection notification received from the wireless transmitters 8a and 8b are established. Therefore, an OFF notification is transmitted to the transmission unit 2 (S51).

  Then, the transmission unit 2 transmits the address information of the lighting fixture 9 and the OFF control state as a control command signal to the relay control terminal 3 corresponding to the lighting fixture 9 to be controlled (S52). Then, the relay control terminal 3 controls the lighting device 9 to OFF, and returns an ACK indicating that the OFF control has been completed to the transmission unit 2 (S53). 9 is notified of the completion of the OFF control (S54).

  Further, the wireless receiver 7 transmits the virtual illuminance setting having the flag 0 to the plurality of wireless transmitters 8a and 8b set with the same address (S55, S56). The wireless transmitters 8a and 8b that have received the virtual illuminance setting having the flag 0 set the illuminance sensor to the ON state in which the illuminance sensor is operated at the normal illuminance setting value. That is, the wireless receiver 7 controls the wireless transmitters 8a and 8b from the standby state to the ON state after “AND OFF” is established and the lighting fixture 9 is turned OFF. Thereafter, the wireless transmitters 8a and 8b wirelessly receive an ON control request when the set illuminance value is equal to or higher than the ambient illuminance value actually detected by the illuminance sensor and the input from the heat ray sensor exceeds the threshold value and the person is detected. To the device 7.

  Next, the operation procedure of the radio transmitter 8 according to the present embodiment will be described with reference to FIG. First, the CPU 80 of the wireless transmitter 8 confirms whether or not the lighting fixture 9 is in the OFF state and whether the input from the heat ray sensor exceeds the threshold and a person is detected (S21). When a person is detected (Yes in S21), the CPU 80 checks whether the illuminance sensor is in an ON state or a standby state. If the illuminance sensor is in an ON state (Yes in S22), the set illuminance value is the ambient illuminance value. It is confirmed whether this is the case (S23).

  When the set illuminance value is equal to or greater than the ambient illuminance value (Yes in S23), the CPU 80 transmits an ON control request to the wireless receiver 7 via the wireless transmission / reception unit 87. Moreover, it changes into a standby state based on the virtual illumination setting which has the flag 1 received from the wireless receiver 7 after that (S24). In addition, when the expiration of the operation holding time is measured in the timer unit 80a (Yes in S25), the CPU 80 transmits an OFF control request to the wireless receiver 7 (S26). Thereafter, the CPU 80 of the wireless transmitter 8 receives the virtual illuminance setting of the flag 0 (Yes in S27), and changes to the ON state in which the illuminance sensor is turned on (S28).

  On the other hand, when the CPU 80 is not in the ON state but is in the standby state (No in S22), or when the ambient illuminance is not darker than the set illuminance value (No in S23), the CPU 80 receives the human detection notification via the wireless transmission / reception unit 87. 7 (S29). In addition, when the operation holding time expires in the timer unit 80a (Yes in S30), the CPU 80 transmits an OFF control request to the wireless receiver 7 (S31). In this case, the virtual illuminance setting of the flag 0 is received. Without (No in S27), a series of processing ends.

  Next, the operation of the wireless receiver 7 according to this embodiment will be described with reference to FIG. First, the CPU 70 of the wireless receiver 7 checks whether or not an ON control request is received from at least one of the wireless transmitters 8a and 8b when the lighting fixture 9 is turned off (S91). When “OR ON” is established (Yes in S91), the CPU 70 transmits an ON notification to the transmission unit 2 and sets the flag 1 to the plurality of radio transmitters 8a and 8b set with the same address. The virtual illuminance setting possessed is transmitted (S92).

  When the CPU 70 receives the human detection notification (Yes in S93), the CPU 70 receives the ON control request received from the wireless transmitters 8a and 8b and all the OFF control requests corresponding to the human detection notification “AND OFF”. It is confirmed whether or not (S94). Then, when “AND OFF” is established (Yes in S94), the CPU 70 transmits an OFF notification to the transmission unit 2. Further, the virtual illuminance setting having the flag 0 is transmitted to the plurality of radio transmitters 8a and 8b set with the same address (S95).

  On the other hand, if the CPU 70 does not receive the human detection notification (No in S93), does it become “AND OFF” in which all OFF control requests corresponding to the ON control requests received from the radio transmitters 8a and 8b are received? It is confirmed whether or not (S96). If “AND OFF” is established (Yes in S96), the CPU 70 transmits an OFF notification to the transmission unit 2 (S95), and ends the series of processes.

  As described above, in the illumination control system 1 according to the present embodiment, the wireless transmitters 8a and 8b turn on / off the illuminance sensor according to the virtual illuminance setting having the flag 0 or 1 received from the wireless receiver 7. To control. That is, when the radio transmitters 8a and 8b receive the virtual illuminance setting of the flag 0, the wireless transmitters 8a and 8b set the illuminance sensor to normal operation, and when the virtual illuminance setting of the flag 1 is received, the illuminance sensor is turned off. To “standby”.

  As a result, in the standby state, the plurality of wireless transmitters 8a and 8b, in which the same address is set as the address information of the lighting load to be controlled for operation, is turned off, and only when the illuminance sensor is turned off and a person is detected by the heat ray sensor. A human detection notification is transmitted to the wireless receiver 7. Therefore, the wireless receiver 7 recognizes the establishment of “AND OFF” using not only the OFF control request for the ON control request received from the wireless transmitters 8a and 8b but also the OFF control request for the received human detection notification. . As a result, it is possible to reliably prevent the lighting apparatus 9 from being turned off when there is a person in the detection area.

  The present invention is not limited to the configuration of each of the embodiments described above, and various modifications can be made without departing from the spirit of the invention. For example, the number of wireless transmitters is not limited to two, and the same illumination control can be realized with three or more wireless transmitters. Further, the flags 0 and 1 are merely examples, and it is sufficient that the ON state or the standby state can be controlled using the flag information included in the virtual illuminance setting.

1 Lighting Control System 2 Transmission Unit 3 Relay Control Terminal (Control Terminal)
4 remote control relay 5 remote control transformer 6 remote control switch 7 wireless receiver 70a, 70b CPU (processing means)
71a, 71b Wireless transmission / reception unit 8, 8a, 8b Wireless transmitter 80 CPU (control means)
80a Timer part 87 Wireless transmission / reception part 9 Lighting equipment

Claims (4)

A plurality of wireless transmitters for controlling the operation of an illumination load based on respective detection results by an illuminance sensor for detecting illuminance in a detection area and a heat ray sensor for detecting heat rays emitted from a human body in the detection area; A wireless receiver that communicates wirelessly with the wireless transmitter, a control terminal that controls the lighting load to be controlled, and the wireless receiver and the control terminal connected via a signal line to transmit and receive control data A lighting control system comprising:
In the plurality of wireless transmitters, the same address is set as the address information of the lighting load for operation control,
The wireless transmitter is
Based on the flag information of the virtual illuminance setting for managing the on / off state of the illuminance sensor received from the wireless receiver, the standby state for turning off the illuminance sensor, or the ON state for operating the illuminance sensor An illumination control system comprising control means for controlling. The control means of the wireless transmitter, in the ON state, when the set illuminance value set in advance for controlling the illumination load is greater than or equal to the ambient illuminance value that is actually detected, and when the person is detected by the heat ray sensor, Control to send an ON control request for ON control of the lighting load at the address to the wireless receiver;
The wireless receiver is
When the ON control request is received, the control data for ON-controlling the lighting load at the address is transmitted to the transmission unit, and the plurality of radio transmitters set with the same address are The illumination control system according to claim 1, further comprising processing means for transmitting a virtual illuminance setting having flag information corresponding to a standby state. The wireless transmitter control means, when the set illuminance value preset for controlling the illumination load in the ON state is less than the ambient illuminance value that is actually detected, and when the person is detected by the heat ray sensor, or When a person is detected by the heat ray sensor in the standby state, control is performed to transmit a human detection notification for notifying that there is a person in the detection area to the wireless receiver,
The processing means of the wireless receiver, when receiving the person detection notification, does not transmit control data for ON-controlling the lighting load at the address to the transmission unit. The lighting control system according to 2. The wireless transmitter is
A timer unit for measuring a predetermined operation holding time after transmitting the ON control request and the person detection notification;
The control means, based on the measurement by the timer unit, an OFF control request for OFF control of the lighting load at the address after the operation holding time has elapsed since the ON control request and the human detection notification have been transmitted. To transmit to the wireless receiver,
When the processing means of the wireless receiver receives all the OFF control requests corresponding to the received ON control request and the human detection notification, the transmission means transmits the control data for controlling the lighting load of the address to OFF The virtual illuminance setting having flag information corresponding to the ON state is transmitted to the plurality of wireless transmitters set with the same address as well as being transmitted to the unit. The lighting control system described in.

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