JP2010055767A - Lighting device, lighting fixture, and illumination system - Google Patents

Abstract

<P>PROBLEM TO BE SOLVED: To provide a lighting device, a lighting fixture, and an illumination system capable of controlling a fixture not incorporating a sensor without a controlling block for controlling one, and without fear of an illumination system getting unusable even if a lighting fixture incorporating a sensor is in trouble. <P>SOLUTION: The lighting fixture incorporating a sensor is provided with a lighting device 5 with a sensor control circuit 66 operating with sensor signals of the sensor. With this, a controlling block is unnecessary, leading to cost reduction of a lighting fixture with a sensor. Further, the lighting device 5 having a sensor control circuit 66 is equipped with a changeover circuit 67. Therefore, the same lighting device 5 can be used for a lighting fixture incorporating a sensor and that not incorporating one, so that, even if a lighting fixture incorporating a sensor is in trouble, the illumination system is prevented from getting unusable by having one of the other lighting fixtures incorporate a sensor. <P>COPYRIGHT: (C)2010,JPO&INPIT

Description

  The present invention relates to a lighting device, a lighting fixture, and a lighting system that perform lighting blinking control, step dimming control, brightness control, and the like in accordance with a sensor signal from a sensor.

  Conventionally, lighting that uses human sensors to detect the presence / absence of a person, automatically turns off the lighting fixtures or adjusts the light when no person is present, and controls to reduce wasteful power consumption when absent A system is known (see, for example, Patent Document 1).

  There is also a lighting system that detects the brightness of the lighting space using a brightness sensor and automatically adjusts (dimming) the brightness of the lighting fixture so that the brightness of the lighting space is substantially constant. Known (for example, refer to Patent Document 1 or Patent Document 2). In an illumination system using such a brightness sensor, for example, when outside light enters from a window such as in the daytime, the lighting fixture is automatically darkened so that the brightness of the illumination space becomes a predetermined brightness. It is possible to reduce wasteful power consumption in the daytime.

  FIG. 9 shows a general configuration example of an illumination system using such a sensor. A sensor device 100 shown in FIG. 9 detects a human sensor that detects the presence / absence of a person in the illumination space or the brightness of the illumination space. The sensor device 100 is supplied with power for driving the sensor device from the commercial power supply AC via the power line 2. A plurality of lighting fixtures Bl, B2 to BN are installed in the lighting space. Each lighting fixture is supplied with power from the commercial power source AC via the power line 2 and from the sensor device 100 via the control line 3. Control signals are supplied.

  In general, the sensor device 100 outputs a human sensor or a brightness sensor (not shown) and a dimming signal for controlling the blinking or brightness of the lighting fixtures B1, B2 to BN in response to a sensor signal from the sensor. Control block (not shown). For example, when the human sensor detects a person, the control block outputs a lighting signal to the lighting fixtures B1, B2 to BN, and after the absence of the person, a turn-off signal or a dimming signal after a predetermined time has elapsed. And automatically control the lighting fixtures B1, B2 to BN. Moreover, when using a brightness sensor, a dimming signal is output to lighting fixture B1, B2-BN, and lighting fixture B1, B2-BN is set so that the brightness which a brightness sensor detects may become a predetermined value. Feedback control of brightness. As described above, since the sensor device 100 includes the human sensor or the brightness sensor and the control block for sending the control signal corresponding to the sensor signal of the sensor to the lighting fixture, the lighting fixtures B1 and B2 are incorporated. As ˜BN, a general lighting fixture for dimming can be used, and a single sensor device 100 can collectively control a plurality of lighting fixtures B1, B2 to BN.

  Next, FIG. 10 shows a configuration example of a lighting system in which a lighting fixture and a sensor device are integrated. A lighting fixture C1 shown in FIG. 10 includes a sensor 1 and a control block 4 (see FIG. 11), and controls the other lighting fixtures B2 to BN simultaneously according to a control signal transmitted via the control line 3. The operation according to the sensor signal is the same as in the case of FIG.

  FIG. 11 shows the configuration of the lighting fixture C1 incorporating the sensor 1 and the control block 4 and other lighting fixtures B2 to BN. As shown in FIG. 11A, a commercial power supply AC is supplied from the outside to the lighting fixture C <b> 1 incorporating the sensor 1 and the control block 4, and this commercial power supply AC is supplied to the control block 4 and the lighting device 55. At the same time, it is sent to other lighting fixtures B2 to BN. The control block 4 of the luminaire C1 receives the sensor signal of the sensor 1, performs the above-described human sensor control or brightness sensor control, sends a control signal corresponding to each control to the lighting device 55, and performs the control. A signal is sent to the other lighting fixtures B2 to BN. The lighting device 55 of the lighting fixture C <b> 1 turns on / off or dimmes the light source 6 in accordance with a control signal input from the control block 4. On the other hand, as shown in FIG. 11 (b), the other lighting fixtures B2 to BN receive the commercial power sent from the lighting fixture C1 via the power line 2 and the control signal sent via the control line 3. Each is input and the light source 6 is turned on / off or dimmed by the lighting device 55. Thus, by using the lighting fixture C1 incorporating the sensor 1 and the control block 4, it is not necessary to install the sensor device 100 separately, and an illumination system can be constructed.

JP-A-9-063772 Japanese Patent Laid-Open No. 11-185773

  However, in the above-described conventional lighting system, since it is necessary to provide a control block for the lighting fixture with a built-in sensor, the unit price of the lighting fixture with a built-in sensor increases accordingly, leading to an increase in the cost of the lighting system. There is. Moreover, since the lighting fixture which incorporates a sensor controls the lighting fixture which does not incorporate a sensor, when the lighting fixture which incorporates a sensor fails, there also exists a problem that a lighting system becomes unusable.

  The present invention has been made in view of such circumstances, and can control a lighting fixture that does not include a sensor without having a control block for controlling a lighting fixture that does not include a sensor. An object of the present invention is to provide a lighting device, a lighting fixture, and a lighting system in which the lighting system does not become unusable even if the lighting fixture to be broken.

  The lighting device of the present invention determines a predetermined lighting control operation according to a sensor signal input terminal for inputting a sensor signal from a sensor and a sensor signal input to the sensor signal input terminal, and outputs an operation command value. And a sensor control means for outputting a control signal indicating the operation command value, a lighting control means for controlling lighting of the light source in accordance with the operation command value output from the sensor control means, and a control output from the sensor control means. And a control signal output terminal for outputting a signal to the outside.

  According to this configuration, since the sensor control circuit that performs control according to the sensor signal and the control signal transmission terminal that transmits the control signal to other lighting devices are provided, the lighting device that does not incorporate the sensor is controlled. A control block is unnecessary, and an inexpensive lighting device can be provided.

  Further, in the above configuration, the apparatus further includes a control signal input terminal for inputting a control signal, and the sensor control means controls the lighting of the light source according to the sensor signal input to the sensor signal input terminal, And an operation mode for controlling the lighting of the light source in accordance with a control signal input to the control signal input terminal.

  According to this configuration, the light source can be controlled to be turned on by a sensor signal from a sensor or a control signal from another lighting device.

  In the above configuration, the sensor signal input terminal is also used as the control signal input terminal, or the control signal input terminal is also used as the sensor signal input terminal, depending on the form of the signal input to the shared input terminal. There is further provided switching means for switching the operation mode of the sensor control means.

  According to this configuration, when a sensor signal is input to the sensor signal input terminal, the sensor control means is switched to an operation mode corresponding to the sensor signal, and when a control signal is input to the signal input terminal, the sensor control means Is switched to the lighting control operation mode according to the control signal, so that the same lighting device can be used for the lighting fixture with a built-in sensor and the lighting fixture without a built-in sensor. Need not be selected. Moreover, even if a lighting fixture incorporating a sensor breaks down, the lighting system is not disabled by incorporating the sensor in another lighting fixture. Furthermore, the sensor arrangement can be easily changed by switching the operation of the lighting device even when the sensor arrangement is desired to be changed by changing the layout of the illumination space.

  The lighting fixture of this invention was equipped with the sensor, the light source, and the said lighting device.

  According to this configuration, it is possible to provide an inexpensive and versatile lighting fixture.

  Moreover, the said structure WHEREIN: The said sensor is detachable with respect to a lighting fixture main body.

  According to this configuration, a sensor can be attached to a desired one of a plurality of lighting fixtures, and as described above, even if a lighting fixture incorporating a sensor breaks down, by incorporating the sensor in another lighting fixture, The lighting system can be prevented from becoming unusable. In addition, even if it is desired to change the arrangement of the sensor by changing the layout of the illumination space, the arrangement of the sensor can be easily changed by switching the operation of the lighting device.

  In the above configuration, the sensor is a human sensor or a brightness sensor.

  The lighting system of the present invention includes the lighting fixture.

  According to this configuration, an inexpensive and versatile lighting system can be provided.

  In the present invention, since the lighting fixture with a built-in sensor has a lighting device having a sensor control circuit that operates in response to the sensor signal of the sensor, a control block is unnecessary, and the unit price of the lighting fixture with a built-in sensor can be reduced. The cost of the lighting system can be reduced. In addition, since the lighting device having the sensor control circuit has the switching means, the same lighting device can be used for the lighting fixture with a built-in sensor and the lighting fixture without the built-in sensor. There is no need to select lighting fixtures. Moreover, even if a lighting fixture incorporating a sensor breaks down, the lighting system is not disabled by incorporating the sensor in another lighting fixture. Furthermore, the sensor arrangement can be easily changed by switching the operation of the lighting device even when the sensor arrangement is desired to be changed by changing the layout of the illumination space.

  DESCRIPTION OF EXEMPLARY EMBODIMENTS Hereinafter, preferred embodiments for carrying out the invention will be described in detail with reference to the drawings.

(Embodiment 1)
FIG. 1 is a block diagram showing a schematic configuration of a lighting fixture according to Embodiment 1 of the present invention. As shown in FIG. 1A, the lighting fixture A1 according to the present embodiment blinks or adjusts according to the sensor 1 including a human sensor or a brightness sensor, lighting control of the light source 6, and the sensor signal of the sensor 1. And a lighting device 5 that performs light control. A commercial power supply AC is supplied to the lighting device 5 from the outside of the lighting fixture A1. The sensor 1 is detachably attached to the lighting device 5. When the sensor 1 is a human sensor, the lighting device 5 automatically turns on the light source 6 by detecting a person, and automatically turns on the light source 6 after a predetermined time has elapsed after the absence of a person. Turns off or lights up. When the sensor 1 is a brightness sensor, the lighting device 5 automatically controls the dimming degree of the light source 6 so that the detected brightness becomes a predetermined value, and the detected brightness is the predetermined brightness. Feedback control is performed so as to obtain a value. Further, the lighting device 5 includes a control signal output terminal (described later) that outputs a control signal indicating a control operation according to the sensor signal of the sensor 1, and the other lighting fixtures A <b> 2 to AN via the control line 3. The control signal is transmitted to

  The other lighting fixtures A2 to AN do not include the sensor 1, and include a lighting device 5 and a light source 6 as shown in FIG. The lighting device 5 is the same as that of the lighting fixture A1. A commercial power supply AC is supplied to the lighting device 5 and a control signal sent from the lighting fixture A1 via the control line 3 is input. The lighting device 5 performs an operation linked to the lighting control operation of the lighting fixture A1 by performing the lighting control of the light source 6 according to the input control signal. The lighting device 5 includes a control signal output terminal for sending the input control signal to another lighting fixture. Thereby, interlocking control of lighting fixtures A2-AN which do not incorporate a plurality of sensors 1 becomes possible in conjunction with operation of lighting fixture A1 which built sensor 1. Compared with the luminaire C1 shown in FIG. 11, the luminaire A1 according to the present embodiment does not require the control block 4, and thus can reduce the cost. That is, since the unit price of the lighting device 5 can be reduced, the cost of the lighting fixture can be reduced inevitably.

  FIG. 2 is a block diagram showing a detailed configuration of the lighting device 5. 2, the lighting device 5 includes a power input terminal 60, a sensor signal input terminal 61, a control signal output terminal 62, a light source connection terminal 63, a lighting circuit 64, a lighting control circuit 65, and a sensor control circuit 66. And a switching circuit 67.

  A commercial power supply AC is input to the power input terminal 61. A sensor signal or control signal of the sensor 1 is input to the sensor signal input terminal 61. A control signal is output from the control signal output terminal 62. The light source connection terminal 63 connects the lighting circuit 64 and the light source 6. The sensor control circuit 66 determines a predetermined lighting control operation in accordance with a signal input to the sensor signal input terminal 61, outputs an operation command value to the lighting control circuit 65, and outputs a control signal indicating the operation command value. Output from the control signal output terminal 62 to the outside. The switching circuit 67 switches the operation mode of the sensor control circuit 66 to a lighting control operation mode corresponding to the sensor signal of the sensor 1 or a lighting control operation mode corresponding to the control signal. The lighting control circuit 65 controls the lighting circuit 64 based on the operation command value from the sensor control circuit 66 to change the lighting state (lighting / extinguishing / dimming) of the light source 6. The lighting circuit 64 performs lighting / extinguishing / dimming of the light source 6 according to the control of the lighting control circuit 65.

  FIG. 3 is a diagram schematically showing an external configuration of the lighting device 5. In FIG. 3, a connector CON1 is a power input terminal 60, a connector CON2 is a light source connection terminal 63, a connector CON3 is a sensor signal input terminal 61, and a connector CON4 is a control signal output terminal 62. The lighting device 5 automatically identifies the signal input from the connector CON3 and automatically switches the control operation. Here, as shown in FIG. 4A, when the Hi / Lo signal of the human sensor or the analog signal of the brightness sensor as shown in FIG. 4B is input, the sensor 1 is connected. And automatically switches to the lighting control operation mode corresponding to the sensor signal. For example, when a PWM signal as shown in FIG. 5 is input, it is recognized that the control signal has been input, and the mode is automatically switched to the lighting control operation mode according to the PWM-Duty value of the control signal.

  Thus, by providing the switching circuit 67, when the sensor 1 is connected to the connector CON3 (sensor signal input terminal 61), the lighting control operation mode according to the sensor signal of the sensor 1 is switched to the connector CON3. When a control signal is input, it is possible to switch to the lighting control operation mode according to the control signal, and the lighting fixture A1 incorporating the sensor 1 and the lighting fixtures A2 to AN not incorporating the sensor 1 are the same. The lighting device 5 can be used.

  Compared to the luminaire C1 shown in FIG. 11, the luminaire A1 of the present embodiment does not require the control block 4, so the difference in the configuration of the luminaire that incorporates the sensor 1 and the luminaire that does not incorporate the sensor 1 Is the presence / absence of the sensor 1, and the lighting apparatus having the same configuration can be used by the presence / absence of the sensor 1 or the attachment / detachment of the sensor 1, and the lighting system configuration can be easily changed when the layout of the lighting space is changed. be able to.

  As described above, according to the present embodiment, the luminaire A1 incorporating the sensor 1 has the lighting device 5 having the sensor control circuit 66 that operates in response to the sensor signal of the sensor 1, so that the control block 4 (FIG. 11) becomes unnecessary, and the cost of the luminaire A1 having the sensor 1 can be reduced. Further, since the lighting device 5 having the sensor control circuit 66 has the switching circuit 67, the same lighting device 5 can be used for the lighting fixture A1 incorporating the sensor 1 and the lighting fixtures A2 to AN not incorporating the sensor 1. Yes, there is no need to select multiple types of lighting fixtures when building the lighting system. Moreover, even if the lighting fixture A1 incorporating the sensor 1 breaks down, the lighting system is not disabled by incorporating the sensor 1 in one of the other lighting fixtures A2 to AN. Furthermore, the change of the arrangement of the sensor 1 can be easily performed by switching the operation of the lighting device 5 even when the arrangement of the sensor 1 is desired to be changed by changing the layout of the illumination space.

(Embodiment 2)
FIG. 6 is a diagram schematically showing an external configuration of a lighting device lighting apparatus according to Embodiment 2 of the present invention. As shown in FIG. 6, the lighting device 5B includes a connector CON1 that connects a commercial power supply AC, a connector CON2 that connects a light source 6, a connector CON3 that inputs a sensor signal of the sensor 1, and a connector CON4 that inputs a control signal. And a connector CON5 that outputs a control signal. The lighting device 5B performs a control operation according to the sensor signal when the sensor signal of the sensor 1 is input via the connector CON3, and when the control signal is input via the connector CON4, A control operation according to the control signal is performed. That is, the control operation can be switched depending on whether a signal is input to either the connector CON3 or the connector CON4.

(Embodiment 3)
FIG. 7 is a diagram schematically showing an external configuration of a lighting device lighting apparatus according to Embodiment 3 of the present invention. As shown in FIG. 7, the lighting device 5C does not have the connector CON5 that the above-described lighting device 5B has, but uses the connector CON3 as an input terminal for both the sensor signal and the control signal of the sensor 1, and also the lighting device 5C itself. A changeover switch SW1 for switching the control operation is provided. With this configuration, it is not necessary to change the connection of the signal lines as shown in FIG. 6, and the control operation can be easily switched by a switch operation.

Next, examples performed for clarifying the effects of the present invention will be described.
(Example)
FIG. 8 is a circuit configuration diagram of the lighting fixture according to the embodiment of the present invention. In FIG. 8, this embodiment shows the circuit configuration of the lighting device 5 shown in FIG. 3 in more detail, taking a case where a fluorescent lamp is used as a light source as an example. As shown in FIG. 8, the lighting device 5 includes a connector CON1 that inputs a commercial power supply AC, diode bridges D1 to D4 that rectify the commercial power input via the connector CON1, and diode bridges D1 to D4. And a chopper circuit (comprising an inductor L1, a diode D5, a smoothing capacitor C1, a switching element Q1, and a PFC control circuit 14) for boosting and smoothing the output voltage. The DC voltage Vdc boosted and smoothed by the chopper circuit is converted into a high-frequency voltage by switching elements Q2 and Q3 that are alternately turned on and off, and is connected to the connector CON2 (CON2A, High frequency power is supplied to the fluorescent lamp FL connected to CON2B), and the fluorescent lamp FL is lit at a high frequency. The transformer T1 removes a direct current component from the high-frequency voltage output from the switching elements Q2 and Q3 by the capacitor C2, and preheats current from the secondary winding of the transformer T1 to each electrode of the fluorescent lamp FL via the capacitors C5 and C6. Supply.

  The inverter control circuit 12 performs dimming control of the fluorescent lamp FL by changing the switching frequency for alternately turning on / off the switching elements Q2, Q3, and stops the switching operation of the switching elements Q2, Q3. Control to turn off the fluorescent lamp FL is performed. The control power supply circuit 13 steps down the DC voltage Vdc, generates a control power supply for driving the microcomputer 11, and supplies a sensor driving power supply to an externally connected sensor via the connector CON3. The sensor signal or control signal of the sensor is input to the microcomputer 11 via the connector CON3.

  As described in the first embodiment, the microcomputer 11 automatically determines a signal input via the connector CON3. For example, if the input signal is a Hi / Lo signal, it is recognized that a human sensor is connected, and when the human sensor detects a person, a lighting signal is output to the inverter control circuit 12 so that the person After the absence, a turn-off signal or a dimming signal is output to the inverter control circuit 12 after a predetermined time has elapsed, and the lighting state of the fluorescent lamp FL is automatically controlled. When the input voltage is an analog signal, it recognizes that the brightness sensor is connected, outputs a dimming signal to the inverter control circuit 12, and the brightness detected by the brightness sensor is a predetermined value. The dimming degree of the fluorescent lamp FL is feedback-controlled so as to be a value. The microcomputer 11 further sends a control signal indicating the lighting control operation according to the sensor signal of the sensor as described above to the outside through the connector CON4. As the control signal, for example, a PWM signal as described with reference to FIG. 5 of the first embodiment can be transmitted.

  The above is the operation when the lighting device of this embodiment is used for a lighting fixture with a built-in sensor, but when the lighting device of this embodiment is used for a lighting fixture without a built-in sensor, other lighting devices are used. Is sent to the microcomputer 11 via the connector CON3. The microcomputer 11 automatically recognizes the form of a control signal such as a PWM signal, for example, and outputs a lighting / extinguishing / dimming signal corresponding to the control signal to the inverter control circuit 12. Further, the control signal input at the same time is sent to the outside via the connector CON4.

  With the configuration of this embodiment, it is possible to implement a fluorescent lamp lighting device using the present invention using a relatively inexpensive microcomputer. Further, since the control power generated in the lighting device is sent to the sensor, it is not necessary to provide a separate power circuit for the sensor. Furthermore, in the configuration described with reference to FIG. 11A of the conventional example, the power supply capability of the control block 4 is limited, so that the number of connected lighting fixtures that operate in conjunction with the lighting fixture incorporating the sensor is limited. Although it was necessary, according to the present embodiment, since a control power source for generating a control signal to be sent to another lighting device is generated inside the lighting device, a plurality of lights are provided via the lighting device of this embodiment. If the appliances are connected in series using a control line, there is no need to limit the number of connected illumination fixtures that operate in conjunction with the illumination fixture with a built-in sensor, and there is an advantage that an illumination system can be constructed.

  The present invention can control a lighting fixture that does not include a sensor without having a control block for controlling the lighting fixture that does not include a sensor. It has the effect that it cannot be disabled, and can be applied to a lighting system.

The block diagram which shows schematic structure of the lighting fixture which concerns on Embodiment 1 of this invention. The block diagram which shows the detailed structure of the lighting device of the lighting fixture of FIG. The figure which shows typically the external appearance structure of the lighting device of FIG. Waveform diagram showing sensor signal of human sensor and sensor signal of brightness sensor Waveform diagram showing PWM signal The figure which shows typically the external appearance structure of the lighting device of the lighting fixture which concerns on Embodiment 2 of this invention. The figure which shows typically the external appearance structure of the lighting device of the lighting fixture which concerns on Embodiment 3 of this invention. The circuit block diagram of the lighting fixture of the Example of this invention Figure showing a conventional lighting system Figure showing a conventional lighting system The block diagram which shows schematic structure of the lighting fixture of the conventional lighting system

Explanation of symbols

A1, A2-AN Lighting fixture 1 Sensor 2 Power supply line 3 Control line 5, 5B, 5C Lighting device 6 Light source 60 Power supply input terminal 61 Sensor signal input terminal 62 Control signal output terminal 63 Light source connection terminal 64 Lighting circuit 65 Lighting control circuit 66 Sensor control circuit 67 Switching circuit SW1 selector switch

Claims (7)

A sensor signal input terminal for inputting a sensor signal from the sensor;
Sensor control means for determining a predetermined lighting control operation in accordance with a sensor signal input to the sensor signal input terminal and outputting an operation command value and outputting a control signal indicating the operation command value;
Lighting control means for controlling lighting of the light source according to the operation command value output from the sensor control means;
A control signal output terminal for outputting a control signal output from the sensor control means to the outside;
Lighting device with A control signal input terminal for inputting a control signal;
The sensor control means controls the lighting of the light source according to an operation mode for controlling the lighting of the light source according to a sensor signal input to the sensor signal input terminal, and a control signal input to the control signal input terminal. The lighting device according to claim 1, wherein the lighting device has an operation mode.   The sensor signal input terminal is also used as the control signal input terminal, or the control signal input terminal is also used as the sensor signal input terminal, and the operation mode of the sensor control means according to the form of the signal input to the shared input terminal The lighting device according to claim 2, further comprising switching means for switching between. A sensor,
A light source;
A lighting device according to any one of claims 1 to 3,
Lighting equipment with   The lighting device according to claim 4, wherein the sensor is detachable from the lighting device body.   The lighting device according to claim 4, wherein the sensor is a human sensor or a brightness sensor.   The lighting system provided with the lighting fixture in any one of Claims 4 thru | or 6.

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