JP2012084233A - Master-slave controlled lighting system with human body sensor and on/off control method for the same - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide a master-slave controlled lighting system with a human body sensor and a method for it that allow, when one of two master lighting devices with the human body sensor installed at two locations above a passage is turned on or off, all lighting devices including one or more slave lighting devices installed between the two master lighting devices at opposed ends to be turned on or off at the same time, respectively.SOLUTION: A first master lighting device with a human body sensor and current sensing unit and a second master lighting device having the same specifications as the first device are installed at two locations above a passage, and between these two locations one or more slave lighting devices having a current sensing unit but no human body sensor are installed. All the installed lighting devices are connected to AC power supply in parallel, and the current sensing unit of one of the master lighting devices is connected to the current sensing units of the slave lighting devices in series. The one or more slave lighting devices are on/off controlled in response to on/off information obtained from the master lighting devices at the two locations. Thus, when one of the master lighting devices at the two locations is turned on or off by sensing a human body, all the lighting devices are turned on or off, respectively, at the same time.

Description

  In the present invention, a plurality of child lighting fixtures having no human sensor are installed in the middle of the parent-child control type lighting fixtures installed at two locations above and below the stairs and at both ends of the long corridor, and the top and bottom of the stairs are long or long. The present invention relates to a parent-child control type human-lighting system and a lighting control method for lighting all the lighting devices at the same time when one of the parent-child control-type human lighting devices installed at both ends of the corridor is turned on.

  Conventionally, for example, as a method of illuminating a staircase, one lighting device is installed on the wall or ceiling near the stairs, and a three-way switch is installed above and below the stairs to illuminate the entire stairs when going up and down the stairs. There are several ways to install foot lights that illuminate the feet when using the stairs.

  In the latter illumination method, step lamps for stair illumination are installed at at least two places above and below the stairway or on the way in the middle. In this case, each footlamp is currently independent.

  A so-called three-way switch that performs on / off control of an illuminating device with an electronic switch using human body detection sensors (usually referred to as human sensors) installed at two locations is, for example, Patent Document 1 and Patent Document 2 Is disclosed.

However, in the prior art documents including these Patent Documents 1 and 2, for a technique related to a method of simultaneously lighting several lighting fixtures in any one of the lighting fixtures with human body detection sensors installed in two places, Not disclosed.

Japanese Patent No. 3596309 Japanese Patent No. 4134125

  Therefore, the present invention installs a lighting fixture that does not have a plurality of human body detection sensors in the middle of lighting fixtures with human body detection sensors installed at two places on the passage, and has two lighting fixtures with human body detection sensors at both ends. An object of the present invention is to provide a parent-child control type human-lighting system that can turn on or turn off all lighting fixtures simultaneously when either one is turned on or off, and a lighting control method thereof.

The parent-child control type lighting system according to the present invention includes a mutual control type human lighting device having a human body detection sensor and a current detection unit and a second mutual control type human lighting device having the same specification as that on the passage. Are installed as parent lighting fixtures at two locations, and at least one lighting fixture having a current detection unit but no human body detection sensor is installed as a child lighting fixture between the two parent lighting fixtures. The AC terminals of the lighting fixtures are connected in parallel to the AC power source, and the current detection units of one of the two parent lighting fixtures and the current detection units of the one or more child lighting fixtures are serially connected to each other. It is configured to be connected,
The one or more child lighting fixtures are turned on by obtaining lighting information of the two parent lighting fixtures at both ends thereof,
All of the lighting fixtures are simultaneously turned on or off when any one of the two main lighting fixtures is turned on or off by human body detection.

  According to the present invention, a lighting fixture that does not have a plurality of human body detection sensors is installed between the lighting fixtures with human body detection sensors installed at two locations on the passage, and the lighting fixtures with human body detection sensors at two locations on both ends are installed. It is possible to realize a parent-child control type human-lighting system and a lighting control method thereof that can turn on or turn off all lighting fixtures simultaneously when either one is turned on or off.

BRIEF DESCRIPTION OF THE DRAWINGS The schematic circuit block diagram of the mutual control type | mold human illuminating device with a human body detection sensor used for the parent-child control type human illuminating system of the 1st Embodiment of this invention. The schematic circuit block diagram of the child lighting fixture which does not have a human body detection sensor used with the mutual control type | formula human-sensing lighting fixture with a human body detection sensor of FIG. The circuit diagram which shows the detailed circuit structure of the mutual control type | formula human illuminating fixture with a human body detection sensor of FIG. The circuit diagram which shows the detailed circuit structure of the child lighting fixture which does not have a human body detection sensor used with the mutual control type human-sensing lighting fixture with a human body detection sensor of FIG. The block diagram which shows the structure which carried out the wiring connection of the child lighting fixture which does not have a human body detection sensor between the two mutual control type human-sensing lighting fixtures with a human body detection sensor. The timing chart explaining the operation | movement of simultaneous lighting and simultaneous light extinction of all the lighting fixtures installed in FIG. The figure explaining that it is necessary to change the pulse width of the electric current detection interruption | blocking signal produced | generated based on the OFF timing of a timer output according to the kind of element used as a switch element. The circuit diagram which shows the detailed circuit structure of the mutual control type | formula human illuminating fixture with a human body detection sensor used for the parent-child control type | mold human illuminating system of the 2nd Embodiment of this invention.

Hereinafter, embodiments of the present invention will be described with reference to the drawings.
[First Embodiment]
FIG. 1 shows a schematic circuit configuration diagram of a mutual control type human illuminating fixture with a human body detection sensor used in the parent-child control type human illuminating system of the first embodiment of the present invention.
In FIG. 1, the mutual control type human-lighting fixture 10 of the first embodiment includes a human body detection sensor PED called a pyroelectric sensor that detects infrared rays radiated from a human body, and a human body based on the output of the human body detection sensor PED. Human body detection sensor unit 12 for generating a detection signal, an illumination load 14 by a light emitting diode (hereinafter referred to as LED), and a switch element Q1 such as a MOSFET inserted in a power supply path from the commercial AC power supply AC (100 V) to the illumination load 14 Are connected to one end of the AC power source AC and the power source unit 11 including the lighting power source unit 11-1 for supplying the power source voltage to the lighting load 14 and the control power source unit 11-2, and flows to the lighting load 14 when detecting a human body. A logical sum of a current detection unit 15 that detects a current, a timer signal based on a human body detection signal from the human body detection sensor unit 12, and a current detection signal from the current detection unit 15 is obtained. An OR circuit 16 for supplying the logical sum output as a lighting control signal to the gate of the switch element Q1, a timer function for generating a timer signal for a predetermined time based on a human body detection signal from the human body detection sensor unit, The off timing of the timer signal generated in the second mutual control type lighting device in order to eliminate the phenomenon that the two mutual control type lighting devices are turned on based on the current detection output of each current detection unit. When the microcomputer 13 having a function of generating a current detection interruption signal based on the above and two mutual control type human luminaires are connected and wired (see FIG. 5), the two mutual control type human luminaires are respectively Based on the current detection output of the current detection unit, the current detection signal label that temporarily interrupts the current detection output with the current detection cutoff signal in order to stop (extinguish) lighting continuously. And a human body detection sensor unit 12, the microcomputer 13, an OR circuit 16, and a cut-off unit 20, and based on the output of the human body detection sensor PED and / or the output of the current detection unit 15. Whether or not the control unit 17 for turning on / off the switching element Q1 according to the generated lighting control signal, the AC terminal 1, the AC terminal 2, the current detection terminal 3, and the AC power source AC is normally wired. And a neon tube 18 for confirmation. The OR circuit 16 and the blocking unit 20 can be incorporated as a logical arithmetic processing function of the microcomputer 13.

  Furthermore, the control unit 17 is configured such that one of the two mutually-controlled human-sensing lighting devices 10A (see FIG. 35) connected to each other is turned on first based on human body detection and starts a timer operation. The other lighting apparatus 10B is also turned on simultaneously based on the current detection of the load current at that time, and then the other lighting apparatus 10B passes the human body after a certain period of time, such as when a person moves from the lower floor to the upper floor. When detected, the timer operation of the other luminaire 10B is started, but the state in which both luminaires continue to be lit based on the mutual current detection output continues even after the timer operation time has elapsed. The cause is the presence of mutual current detection outputs. For this reason, in the embodiment of the present invention, the control unit 17 of the mutual control type human illuminating luminaire stops the lighting continuation state and turns off both luminaires. A function for cutting off the detection output is further provided.

  For example, current detection is performed after one of the two mutual control type human lighting devices 10A and 10B connected to each other as described above enters a timer operation based on the human body detection. The timer operation is started in the control unit 17B of the other mutual control type human illuminating fixture 10B from the time when the other interactive control type human luminaire that is turned on based on the human body is detected. A current detection cutoff signal for cutting off the current detection signal at the timing (off timing) is generated, and the current detection output of the current detection unit 15B is cut off using this cutoff signal, so that the two mutually connected Both the lighting loads 14a and 14B of the control-type human illuminating devices 10A and 10B are extinguished at once.

  If the mutual control type human lighting device 10 shown in FIG. 1 corresponds to the above-mentioned mutual control type human lighting device 10 shown in FIG. The microcomputer 13 generates a current detection cut-off signal at the timing when the operation times up, that is, the off timing of the timer signal, and the cut-off unit 20 temporarily cuts off the current detection signal line indicated by reference numeral 19 using this cut-off signal. ) Is realized. This will be explained again later. The detailed configuration of each circuit unit will be described later with reference to FIG.

  In the first embodiment, the current detection unit 15 includes two or more (two in the figure) diodes D4 and D5 connected in series in the forward direction to the AC terminal 1, and a plurality of these diodes connected in series. One or a plurality of diodes D3 connected in series in the direction (one in the figure) are connected in parallel, and are generated between the first anode and the last cathode of a plurality of diodes D4 and D5 connected in series in the forward direction. A transistor output type photocoupler PC composed of a light emitting element (light emitting diode) and a light receiving element (phototransistor) that are turned on at a total forward potential is connected in parallel, and the other end of these parallel connected connection points is current detection. Connected to terminal 3. The current detection terminal 3 is connected to the AC terminal 2 of the other second mutual control type lighting device having the same specifications as the mutual control type lighting device 10.

  And when detecting a human body in one place using only one mutual control type lighting device 10, two lines of commercial AC power supply AC are connected to AC terminal 1 and AC terminal 2 in FIG. Then, when the human body detection sensor PED detects the human body, the human body detection signal is supplied from the human body detection sensor unit 12 to the gate of the switch element Q1 through the OR circuit 16, the switch element Q1 is turned on, and the commercial AC power supply AC Is supplied to the lighting load 14.

  In addition, as shown in FIG. 5, when performing illumination on the top and bottom of a staircase or on a long corridor, it is possible to detect a human body at two locations using two mutual control type human illuminating devices 10A and 10B. One or more child luminaires 10C (one in FIG. 5) that do not have the human body detection sensor PED as shown in FIG. 2 are installed between the mutual control type human illuminators 10A and 10B. Necessary wiring is applied to the instruments 10A to 10C as shown in FIG. When the human body is detected by either one of the two mutually controlled lighting fixtures 10A and 10B, when the three lighting fixtures are turned on (or turned off) at the same time, A mutual control type human lighting device 10B having exactly the same specifications as the lighting device 10A is prepared, and the mutual control type human lighting devices 10A and 10B are arranged on the first floor and the second floor of the stairs of the house, for example, and the child lighting device 10C. Is placed at a landing on the way, the AC terminal 1 of the mutual control type human lighting device 10A is connected to one line (ground side) of the commercial AC power supply AC, and the AC terminal 1 of the mutual control type human lighting device 10B is connected. Connect to the other line (line side) of the commercial AC power supply AC, connect the AC terminals 1 and 2 of the child lighting apparatus 10C to the two power supply lines of the AC power supply AC, respectively, and use the mutual control type human lighting apparatus 10A. The AC terminal 2 of the child Connected to the current detection terminal 3 of the light fixture 10C, connected the current detection terminal 4 of the child lighting fixture 10C to the current detection terminal 3 of the mutual control type human lighting device 10B, and detected the current of the mutual control type human lighting device 10A. The terminal 3 is connected to the AC terminal 2 of the mutual control type human-lighting fixture 10B. According to such wiring, the human body detection sensor PED-A or PED-B of one of the first-floor or second-floor human-control lighting fixtures 10A or 10B detects the human body, resulting in the first floor and the second floor. The floor mutual control type human lighting device 10A, the child lighting device 10C and the mutual control type human lighting device 10B are turned on, and power is supplied from the commercial AC power source AC to the lighting loads 14A, 14C and 14B. The lighting fixtures 10A to 10C can be turned on simultaneously. In addition, when the human body detecting sensor PED-A or PED-B of one of the first floor or the second floor of the mutual control type human illuminating fixture 10A or 10B detects the human body in the state where the lights are simultaneously turned on, Can be turned off at the same time.

  The human body detection and lighting / extinguishing at two locations by the wiring will be described in detail later.

  FIG. 2 shows a schematic circuit configuration diagram of a child lighting fixture 10C that does not have a human body detection sensor used together with the mutual control type human-sensing lighting fixture with a human body detection sensor of FIG. The same parts as those shown in FIG.

  The child lighting apparatus 10C shown in FIG. 2 does not have a timer function by the human body detection sensor PED, the human body detection sensor unit 12, the OR circuit 16, the blocking unit 20, and the microcomputer IC2, and only illuminates by a current detection signal from the current detection unit 15. Only the function of turning on and off the load 14 is provided. When the microcomputer IC2 receives the current detection signal when the current detection unit 15 detects the current, the sub-illuminator 10C turns on the gate of the switch element Q1 based on only the current detection signal. A control signal is supplied to turn on the switch element Q1 to light the lighting load 14, and when the current detection signal disappears, the microcomputer IC2 supplies a control signal for turning off the light to the switch element Q1 to turn off the switch element Q1 and illuminate. The load 14 is turned off.

  FIG. 3 is a circuit diagram showing a detailed circuit configuration of the mutual control type human illuminating luminaire with a human body detection sensor of FIG.

  In FIG. 3, the mutual control type human-lighting fixture 10 obtains a DC power supply voltage rectified by an AC terminal 1, an AC terminal 2, a current detection terminal 3, and an AC power supply AC, an illumination load 14, a control unit. The lighting load 14 is turned on based on the lighting control signal from the power supply unit 11 for supplying to the human body detection sensor unit 17, the human body detection sensor unit 12, a plurality of LEDs connected in series, and the control unit 17. Alternatively, the switch element Q1 to be turned off and the rectified DC voltage from the power supply unit 11 operate as a power source, and includes a human body detection sensor PED composed of a pyroelectric sensor, and a human body detection that amplifies the output and detects infrared rays from the human body A sensor unit 12, a current detection unit 15, and a control unit 17 are provided.

  Although not shown in FIG. 1, in the detailed configuration of FIG. 3, as indicated by a broken line, ambient brightness (illuminance) is predetermined as a precondition for lighting when a human body is detected. A circuit example is shown in which a brightness sensor circuit for detecting (measuring) ambient brightness is provided in order to automatically turn on the illumination load 14 when the value is lower (dark) than the value. The brightness sensor circuit includes an illuminance sensor IC5, a resistor R23, and a capacitor C9. The sensor output is supplied to the microcomputer IC2 to detect the brightness.

The control unit 17 has a function of enabling a timer control by generating a timer signal having a predetermined time width in the microcomputer IC2 based on the detection of the human body by the human body detection sensor unit 12, and FIG. Two mutual control type human illuminating devices 10A and 10B and at least one child illuminator 10C as shown are prepared, and one of the mutual control type human illuminators (for example, 10A) is turned on by detecting one of the human bodies. A current detection signal that prompts lighting in the child lighting fixture 10C and the other mutual control type human lighting fixture (for example, 10B) based on the load current (lighting current) generated when the current is detected, and the output portion thereof. The microcomputer IC2 generates a logical sum (OR) of the timer signal and the current detection signal and a function that enables the lighting control based on the current detection signal that is generated at 15-1 and supplied to the microcomputer IC2. In addition, the function of supplying the switch element Q1 as a lighting control signal, and one of the two mutual control type human-sensing lighting fixtures 10A and 10B is turned on by human body detection, and the other lighting fixture 10B is supplied with current. When the other lighting apparatus 10B detects the human body and enters the timer operation after the lighting is performed at the time of detection and the timer is turned off after a predetermined time, the timer is turned on if the lighting is continued due to the presence of the current detection signal. And a function of temporarily interrupting the current detection signal so as to forcibly turn off simultaneously based on the off timing.

  The power supply unit 11 has two power supply circuits based on a commercial AC power supply AC (not shown). Between the AC terminal 1 and the AC terminal 2, a surge absorbing element ZNR such as a varistor and a series circuit of a resistor R0 and a neon tube 18 are connected in parallel. The first power supply circuit (corresponding to reference numeral 11-1 in FIG. 1) of the two power supply circuits is a DC power supply circuit for the illumination load 14 such as an LED, and is between the AC terminal 1 and the AC terminal 2. In addition, a resistor R1, a parallel circuit of a resistor R2 and a capacitor C1, and a full-wave rectifier diode bridge DB, which is a full-wave rectifier circuit, are connected in series, and the full-wave output from the + terminal of the full-wave rectifier diode bridge DB. The rectified output is supplied to the input end of the lighting load 14 in which a plurality of LEDs are connected in series via a current limiting resistor R5. The − terminal of the full-wave rectifier diode bridge DB functions as a reference potential point (GND) on the secondary side (DC output side) of the full-wave rectifier circuit DB.

  A second power supply circuit (corresponding to reference numeral 11-2 in FIG. 1) of the two power supply circuits is a power supply circuit of the control unit 17, and a resistor R3 is interposed between the AC terminal 1 and the AC terminal 2. , R4 and diodes D1 and D2, a half-wave rectifier circuit is formed, and a parallel circuit of a constant voltage diode ZD and a charging capacitor C2 is connected to the rectified output terminal. The constant voltage output is a regulator as a DC power supply voltage for the regulator. The voltage is supplied to the IC 1, is output as a stabilized DC power supply voltage via the capacitor C 3 connected in parallel to the output side of the regulator IC 1, and is supplied to the control unit 17.

  The illumination load 14 includes a plurality of (six in the figure) LEDs, the output terminal of which is connected to the drain of the switch element Q1 such as an NMOSFET, and the source of which is connected to the negative terminal of the full-wave rectifier diode bridge DB. A resistor Rc is connected between the gate and source of the switch element Q1. A lighting control signal from the control unit 17 is supplied to the gate of the switch element Q1. Although the SCR can be used as the switch element Q1, it takes a little time for the off operation when the light is turned off as compared with the MOSFET.

  Further, a current detection unit 15 is connected between the AC terminal 1 and the current detection terminal 3. That is, between the AC terminal 1 and the current detection terminal 3, two diodes D4 and D5 are connected in series in the forward direction, and a diode D3 is connected in parallel in the opposite direction to the diodes D4 and D5. Between the AC terminal 1 and the current detection terminal 3, a shunt resistor R7 is connected, while a light emitting diode as a primary side light emitting element of the transistor output type photocoupler PC is connected in parallel. It has become. The photocoupler PC is composed of a combination of a primary side light emitting diode and a secondary side phototransistor.

  An output unit 15-1 connected to the output terminal of the phototransistor of the current detection unit 15 is a part of the control unit 17, and has a function of amplifying and outputting a weak current detection signal. The output unit 15-1 includes a pnp transistor Q2 having a secondary phototransistor collector of the photocoupler PC connected to the base via a resistor R10 and an emitter connected to the output voltage VD line of the regulator IC1. Is connected to the collector of the transistor Q2, a collector is connected to the line of the output voltage VD of the regulator IC1, and a Darlington connection circuit comprising an npn transistor Q3 having an emitter connected to the connection point of the resistors R11 and R12 is provided. The collector output of the phototransistor, which is the secondary side light receiving element of the photocoupler PC, is input to the base of the transistor Q2 via the resistor R10, and the emitter output of the transistor Q3 is input to the collector of the transistor Q4 constituting the cutoff unit 20. Are supplied through resistors R11, R12 and a capacitor C4 circuit and at the same time This is supplied to the terminal IN of the icon IC2. The emitter of the transistor Q4 in the blocking unit 20 is connected to the secondary reference potential point (ground) line of the full-wave rectifier circuit DB described above, and the base is connected to the terminal out of the microcomputer IC2, and the terminal out of the transistor Q4 is connected. A current detection cutoff signal can be supplied to the base.

  When a current flows between the AC terminal 1 and the current detection terminal 3 (this current corresponds to a load current that flows through the lighting load 14 when the other mutual-control type human lighting device 10 is turned on, which will be described later) flows. Since a forward voltage is generated between the anodes and cathodes of the diodes D4 and D5 (about 1.2V because the forward voltage of one diode is 0.6V), a current flows in the light emitting diode on the primary side of the photocoupler PC. Flows. As a result, a collector current flows through the phototransistor on the secondary side, and the current is amplified by the amplifying circuit of Darlington connection of the transistors Q2 and Q3. As a result, a direct current amplified several thousand times the current flowing through the output transistor of the photocoupler PC flows through the resistor R11 connected to the emitter of the transistor Q2, and is input to the terminal IN of the microcomputer IC2 via the resistor R12 as a current detection signal. Is done.

Thus, the light emitting diode of the photocoupler PC is lit by the forward voltage drop caused by the current flowing through the series circuit of the two diodes D4 and D5. However, the light-emitting diode of the photocoupler does not light up due to a voltage drop caused by the reverse current flowing through the single diode D3 in the reverse direction.

  The human body detection sensor unit 12 includes a human body detection sensor PED called a pyroelectric sensor in which a condensing lens is arranged in front, and an amplification unit 21 that amplifies the sensor output several thousand times.

  The human body detection sensor PED can detect infrared rays, which are heat rays radiated from the human body, and output them as a weak voltage. The human body detection sensor PED has first to third terminals, the output voltage VD of the regulator IC1 is supplied to the first terminal via the resistor R14, and the reference potential is supplied to the second terminal. A point GND line is connected, and a weak detection voltage corresponding to this is output as a sensor output from the third terminal when infrared rays are detected. The sensor output is amplified by a first stage amplifying unit including an operational amplifier IC3, capacitors C5 and C6, and resistors R18 and R17 through an input circuit including a resistor R15 and a resistor R16, and further, a resistor R19, a capacitor C7, an operational amplifier IC4, and a capacitor C8. , Resistor R20, and voltage dividing resistors R21 and R22 are amplified by a second stage amplification unit and are amplified several thousand times and input to the A / D terminal of the microcomputer IC2 as a human body detection signal.

  4 is a circuit diagram showing an example of a detailed circuit configuration of a child lighting fixture 10C that does not have a human body detection sensor used together with the mutual control type human-sensing lighting fixture with a human body detection sensor of FIG. The same parts as those in FIG.

  The configuration of the child lighting device 10C shown in FIG. 4 is different from the mutual control type human lighting device 10 shown in FIG. 3 from the human body detection sensor unit 12 including the human body detection sensor PED. The diode group (including the light emitting diodes) constituting the primary side of the photocoupler PC in the current detection unit 15 is electrically connected to the power supply unit 11. Disconnected and independent. The non-connection portion is a terminal 3 for current detection. From the microcomputer IC2, any one of two mutual control type human illuminating fixtures with a human body detection sensor (not shown) is turned on by human detection, so that the child is detected based on the current detection signal of the current detector 15 of the child luminaire 10C. The lighting fixture 10C can also be turned on.

  FIG. 5 is a configuration diagram showing a configuration in which a child luminaire not having a human body detection sensor is connected between two mutual control type human illuminating fixtures 10A and 10B with a human body detection sensor. Here, description will be made by adding A and B to the reference numerals of each part of the two mutual control type lighting fixtures 10A and 10B and adding C to the reference numerals of each part of the child lighting fixture 10C.

  However, in the mutual control type human illuminating fixtures 10A and 10B shown in FIG. 5, the expression of the configuration in the control part of the mutual control type human luminaire shown in FIG. 1 is different, but the microcomputer IC2 shown in FIG. FIG. 6 shows a simplified diagram assuming that a logical sum (OR) function of a human body detection sensor detection signal and a current detection signal and a cutoff function of the current detection signal are provided. The configurations of the mutual control type human-lighting fixture shown in FIG. 5 and the mutual control type human-use lighting fixture shown in FIG. 1 are functionally the same.

  In FIG. 5, the AC terminal 1 of the mutual control type human luminaire 10A is connected to the ground side of the AC power supply AC, and the AC terminal 2 is connected to the current detection terminal 3 of the child luminaire 10C. The current detection terminal 3 of the current detection unit 15A of the mutual control type human lighting device 10A is connected to the AC terminal 2 of the mutual control type human lighting device 10B. The AC terminals 1 and 2 of the child lighting fixture 10C are connected to the ground side and line side of the AC power supply AC, respectively. The current detection terminal 4 of the current detection unit 15C of the child lighting fixture 10C is connected to the AC terminal 3 of the current detection unit 15B of the mutual control type human lighting fixture 10B. The AC terminal 1 of the mutual control type human luminaire B is connected to the line side of the AC power supply AC.

  When the neon tube NE is connected between the AC terminal 1 and the AC terminal 2 and the power supply is supplied from the AC power source AC after the electrical work is completed, the lighting work of the neon tube NE is confirmed so that the wiring work is performed correctly. You can check whether or not. This is because, although the mutual control type human lighting fixture 10A and the mutual control type human lighting fixture B have exactly the same specifications, the connection of the AC terminal 1 of one human lighting fixture 10A is AC grounding. On the other hand, the connection of the AC terminal 1 of the other human illuminating fixture B is on the AC line side, so that it is possible to solve a problem that a connection error easily occurs in electrical work.

  Note that FIG. 5 shows a configuration in which only one child lighting device 10C is installed between two mutual control type human lighting devices 10A and 10B as two parent lighting devices. A plurality of secondary lighting fixtures 10C are prepared, and the AC terminals 1 and 2 of the secondary lighting fixtures 10C are connected to two power supply lines of the AC power supply AC, respectively, and current detection of each current detection unit 15C is performed. As for the connection of the terminals 3 and 4, the terminal 4 of the terminals (3, 4) of the first first child luminaire is connected to the terminal 3 of the terminals (3, 4) of the next second child luminaire. And the terminal 4 of the terminals (3, 4) of the second child luminaire is connected to the terminal 3 of the terminals (3, 4) of the next third child luminaire, and so on. Thus, it can be easily added by connecting in series.

  Next, the operation of FIG. 5 will be described with reference to FIG. FIG. 6 is a timing chart for explaining the operation of simultaneous lighting and simultaneous extinguishing of all the lighting fixtures installed in FIG.

  Now, it is assumed that the human body detection sensor PED-A of the mutual control type human-lighting fixture 10A detects the human body and has an ambient illuminance that turns on the LED as the lighting load 14A. At this time, the microcomputer IC2A of the mutual control type human-lighting fixture 10A turns on the timer output in order to turn on the illumination LED as the illumination load 14A for a certain period of time. As a result, when the one end e side of the AC power supply AC is +, when the switch element Q1A for turning on the lighting LED is turned on and the LED 14A is turned on, the current from the one end e of the AC power supply AC is changed to the mutual control type human feeling. The current flows from the AC terminal 1 of the luminaire 10A through the power source 11-1A, through the LED 14A, through the switch element Q1A, further through the power source 11-1A, through the AC terminal 2, and into the current detection terminal 3 of the child luminaire 10C. From the detection terminal 3 through the diodes D4 and D5 of the current detection unit 15C, through the current detection terminal 4 and from the current detection terminal 3 of the interactive lighting device 10B through the diode D3 of the current detection unit 15B, the AC power supply AC It flows to the other end f. As a result, a current detection output is generated by the current detection unit 15C of the mutual control type lighting device 10C and is output to the microcomputer IC2C 'of the mutual control type lighting device 10C, 10B, and the switch element is used as an LED lighting command signal. Since Q1C is turned on by being supplied to the gate of Q1C, a current flows from one end e of the AC power supply AC to the LED of the mutual control type human illuminating fixture 10C, and the LED 14C is lit. At this time, the amplified current is charged into the capacitor C4 in the control unit 17 'from the output unit 15-1 (see FIG. 4) of the phototransistor in the photocoupler PC-C of the 10C current detection unit 15C. In the next half cycle, when one end f side of the AC power supply AC turns to +, the diode passes through the diode D3 from the terminal 4 of the 10C current detection unit 15C via the diodes D4 and D5 of the 10B current detection unit 15B from the f side. The terminal 10 enters the AC terminal 2 of 10A, turns on the LED 14A of 10A, and a current flows from the terminal 1 of 10A to the other end e. Therefore, a current detection output is generated in the current detection unit 15B of 10B. The LED 14B is turned on by the current detection signal. At this time, the amplified current is charged to the capacitor C4 in the cutoff unit 20 from the output unit 15-1 (see FIG. 3) of the phototransistor in the photocoupler PC-B of the 10B current detection unit 15B.

Further, in the half cycle of the next AC cycle, the LEDs 14A, 14C, and 14B are already in the lighting state in the previous AC cycle and are maintained. This is because the voltage level is maintained at least in the next AC half cycle by the electric charges charged in the capacitor C4 at the outputs of the current detectors 15A, 15C, 15B. When the e side turns to +, the current flows from the e side to the AC terminal 2 through the AC terminal 1, the LED 14A and the switch element Q1A of 10A, and at the same time, the current flows from the AC terminal 1 to the diodes D4 and D5 of the current detector 15A. And flows to the current detection terminal 3. The current flowing out of the AC terminal 2 of 10A enters the current detection terminal 3 of 10C, passes through the diodes D4 and D5 of the current detection unit 15C, enters the current detection terminal 3 of 10B through the current detection terminal 4, and the diode of the current detection unit 15B. The current flowing from the AC terminal 1 to the f side of the AC power supply AC through D3, while the current flowing out from the current detection terminal 3 of 10A enters the AC terminal 2 of 10B, passes through the LED 14B and the switch element Q1B, and passes through the AC terminal 1. After that, it flows to the f side of the AC power supply AC. In the next half cycle, the f side turns to +, and the current enters from the f side of the AC power supply AC into the AC terminal 1 on the mutual control type human illuminating fixture 10B side in the same procedure as the previous half cycle. After that, it flows to the mutual control type human-lighting fixture 10A side, and returns from the AC terminal 1 on the 10A side to the e side of the AC power supply AC.

  In this way, during the period when the timer output of the mutual control type human lighting device 10A is on, all the lighting LEDs of the mutual control type human lighting device 10A, the child lighting device 10C and the mutual control type human lighting device 10B are used. Light.

  At this time, among the mutual control type human lighting devices 10A and 10B, for example, the LED turned on by the output of the current detection unit, here, the microcomputer IC2B in the mutual control type human lighting device 10B holds the LED turn-off right ( Set). Here, the right to turn off the LED means the right (right) to turn off the LED. For example, the mutual control type human illuminating fixture 10B to which the LED turn-off right is set can turn off the current detection output of the current detection unit 15B at the timer-off timing of its own microcomputer IC2B.

  When the timer of the microcomputer IC2A of the interactive lighting fixture 10A is up, the microcomputer IC2A of the interactive lighting fixture 10A does not hold (set) the LED turn-off, so the timer of the microcomputer IC2A is off. The current detection output of the current detection unit 15A cannot be turned off at the same timing, and thereafter, the current detection unit 15A, between the mutual control type human-lighting fixture 10A, the child lighting device 10C, and the mutual control-type human detection lighting device 10B. When the outputs of 15C and 15B are maintained, the lighting loads 14A, 14C, and 14B continue to be lit.

In the cutoff operation of the cutoff unit 20, it is necessary to discharge the charge charged in the capacitor C4 generating the current detection voltage by turning on the transistor Q4.

  However, when the mutual control type human illuminator 10B is installed at the place where the stairs are fully climbed (or down), and the human body detection sensor PED-B detects the human body on the 10B side, the timer of the IC2B on the 10B side The lighting load 14A, 14B is further extended until the time is up and the lighting is turned on. However, since the right to turn off the LED is set in the IC 2B on the 10B side, the current detection is performed simultaneously with the time up as shown in FIG. A shut-off signal is generated to turn on the transistor Q4 (see FIG. 3) of the shut-off unit 20B of the interactive lighting device 10B, and the current detection output (C4 charging voltage) of the current detection unit 15B is momentarily shorted to the ground side. To do. As a result, the two elements that turn on the lighting load 14B of the interactive lighting device 10B, that is, the timer output and the current detection output are both eliminated, and the lighting load 14B is turned off. In this way, the transistor Q4 is turned on for an extremely short time to cut off (turn off) the current detection output in order to reliably turn off the lighting load 14B at the timing when the timer output on the 10B side is turned off. Thereby, since there is no current detection output to the switch element Q1B on the 10B side, the illumination load 14B is turned off, and the current detection unit 15A on the 10A side cannot output a current detection signal. As a result, the illumination load 14A on the 10A side also Turns off. As a result, the illumination load 14C on the 10C side is also turned off. In this way, the lighting loads 14A, 14C, and 14B can be simultaneously turned on and off in the mutual control type human lighting device 10A, the child lighting device 14C, and the mutual control type human lighting device 10B.

  In the first embodiment described above, the case where the switch element Q1 of the LED serving as the illumination load is a MOSFET (see FIG. 3) has been described, but the switch element Q1 may be a thyristor (SCR), for example.

FIG. 7 is an explanatory diagram showing that the pulse width of the current detection cutoff signal generated based on the timer output off timing needs to be changed according to the type of the element used as the switching element Q1.
When the switching element Q1 of the illumination LED is, for example, SCR, the interruption period of the current detection interruption signal supplied to the SCR gate needs to have a wide pulse width shown by the dotted line in FIG. 7 from the off timing of the timer output. . In this case, the pulse width is at least a half cycle of commercial AC power supply AC (= one cycle of full-wave rectified power supply), for example, a minimum of 10 milliseconds when AC power supply is 50 Hz and 9 milliseconds or more at 60 Hz. It is necessary to wait for the continuity to stop. When the switch element Q1 is a power MOSFET, the above-described waiting time is not necessary, so that the LED can be reliably turned off in a shorter time (a narrow pulse width indicated by the solid line in FIG. 7).

  As a special case, even if the human body detection sensor of the mutual control type human lighting device 10A (or 10B) is first operated and the LED is lit, the person can use the other mutual control type human lighting device 10B (or 10A), it is turned back, and it is away from the stairs for a certain period of time. If there is no response from the human body detection sensor for about 5 minutes from the last human body detection signal, the previously-controlled mutual control type human illuminating fixture 10A (or Although the right to turn off does not occur in 10B), it is forcibly terminated (turned off).

[Second Embodiment]
FIG. 8: has shown the circuit diagram which shows the detailed circuit structure of the mutual control type | mold human illuminating device with a human body detection sensor used for the parent-child controlled human illuminating system of the 2nd Embodiment of this invention. The same parts as those in FIG. 3 are denoted by the same reference numerals.

  The second embodiment shows a configuration when a current transformer (CT) is used as the current detection unit 15. A primary coil of CT is connected between the AC terminal 1 and the current detection terminal 3, and a current limiting resistor R8 and a primary light emitting diode of the photocoupler PC are connected in series between both ends of the secondary coil. It has a configuration. Other configurations are the same as those in FIG. 3, and the functions are the same as those of the current detection unit 15 using the plurality of diodes in FIG.

  Although several embodiments of the present invention have been described, these embodiments are presented by way of example and are not intended to limit the scope of the invention. These novel embodiments can be implemented in various other forms, and various omissions, replacements, and changes can be made without departing from the scope of the invention. These embodiments and modifications thereof are included in the scope and gist of the invention, and are included in the invention described in the claims and the equivalents thereof.

  The present invention is not limited to the case where one or more child luminaires are arranged in the middle of a staircase lamp that is installed above and below the stairs, but also two mutually controlled human illuminators arranged at both ends on a passage such as a long corridor. The present invention can be applied to a lighting facility in which a plurality of general lighting fixtures are arranged with a current detection unit as a child lighting fixture in the middle of the fixtures, and all the lighting fixtures are turned on or off at a time. A plurality of general lighting fixtures used as child lighting fixtures also have an advantage that only a low cost is required.

  DESCRIPTION OF SYMBOLS 1 ... AC terminal, 2 ... AC terminal, 3 ... Current detection terminal, 10, 10A, 10B ... Mutually-controlled human illuminating device (parent lighting device), 10C ... Lighting device without a human body detection sensor (child lighting device) , 11 ... power supply unit, 12 ... human body detection sensor unit, 14 ... lighting load (LED), 15 ... current detection unit, 16 ... OR circuit, 17 ... control unit, 19 ... current detection signal line, 20 ... blocking unit, IC2 ... microcomputer, PED ... human body detection sensor, Q1 ... switch element.

Claims (4)

A mutual control type human-lighting fixture having a human body detection sensor and a current detection unit and a second mutual control-type human touch lighting device having the same specification as this are installed as parent lighting fixtures at two locations on the passage, One or more lighting fixtures that have a current detection unit but no human body detection sensor are installed between the two main lighting fixtures as child lighting fixtures, and the AC terminals of all the installed lighting fixtures are connected to an AC power source. The current detection units of one of the two parent lighting fixtures and the current detection unit of the one or more child lighting fixtures are connected in series, and are connected in series.
The one or more child lighting fixtures are turned on by obtaining lighting information of the two parent lighting fixtures at both ends thereof,
The parent-child control type human illuminating system characterized in that when any one of the two main illuminating devices is turned on or off by human body detection, all the illuminating devices are turned on or off simultaneously. The parent lighting fixture is:
A human body detection sensor for detecting infrared rays from the human body,
A switch element connected in series to the lighting load from an AC power source to supply power to the lighting load;
A current detection unit that detects a current flowing through the illumination load during human body detection; and
A controller that turns on and off the switch element according to the output of the human body sensor and / or the output of the current detector;
A blocking unit that blocks the current detection signal in order to stop the lighting load from continuously lighting based on a current detection signal of the current detection unit;
One end of the current detection unit is connected in parallel with the lighting load from the AC power source, and the other end of the current detection unit is connected to one AC terminal of a second parent lighting fixture having the same specifications as the parent lighting fixture. The parent-child control type human illuminating system according to claim 1, characterized in that: The child lighting fixture is:
A switch element connected in series to the lighting load from an AC power source to supply power to the lighting load;
A current detection unit for detecting a current flowing through the illumination load when detecting a human body in the parent lighting device;
A control unit for turning on and off the switch element according to an output of the current detection unit;
A parent-child control type human-lighting system. A child luminaire that does not have at least one human body detection sensor is installed between two mutually controlled human illuminating lighting devices with human body detection sensors installed at two locations on both ends of the passage.
The child lighting fixture that does not have the human body detection sensor is lighting controlled to obtain lighting information of the mutual control type human sensing lighting fixture with two human body detection sensors at both ends,
When one of the two types of mutual control type human illuminating lighting fixtures with human body detection sensors on both ends is turned on or off based on human body detection, all installed lighting fixtures are turned on or off simultaneously. A lighting control method for a parent-child control type human-lighting system.

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