JP2002313588A - Lighting control system - Google Patents

Abstract

(57) [Summary] [PROBLEMS] To provide a lighting control system capable of increasing a lighting load with reduced construction and facilitating maintenance and inspection work. SOLUTION: A ceiling-mounted sensor switch 1 having a human sensor for detecting a heat ray radiated from a human body P is provided, based on a detection signal of the ceiling-mounted sensor switch 1 from the human sensor. In a lighting control system configured to perform lighting control of a lighting load, a lighting load adder is provided on three ceilings, and the lighting load adder captures a detection signal from the motion sensor of the ceiling-mounted sensor switch. Controls the lighting of the additional lighting load.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a lighting control system for controlling lighting of a lighting load (lighting device).

[0002]

2. Description of the Related Art As a conventional illumination control system, for example, as shown in FIG. 3, a PIR sensor (Passive Infrared Sensor) such as a pyroelectric element is used.
In some cases, the entrance and exit of a human body P in a room are detected by heat rays radiated from the human body P, and the lighting loads L1 to L3 are turned on only while the human body P is in the room.

The lighting control system includes a ceiling-mounted sensor switch 1 mounted on three ceilings, three lighting loads L1 to L3, a distribution board 2, and an electromagnetic switch 20 provided on the distribution board 2. And a power supply AC1 for supplying power to the ceiling-mounted sensor switch 1 and a power supply AC2 for supplying power to the electromagnetic switch 20. In this configuration, two lighting loads L1 and L2 are already installed on the ceiling 3 surface, and a lighting load L3 is newly added.

[0004] The ceiling-mounted sensor switch 1 is provided with the PI
An R sensor (not shown), a sensor control circuit 1a that generates a lighting control signal based on a detection signal of the human body P from the PIR sensor, and lighting loads L1 and L2 based on the lighting control signal of the sensor control circuit 1a. A switch element for controlling lighting is provided, and power is supplied from a power supply AC1.

[0005] The additional lighting load L3 is connected to an electromagnetic switch 20 provided on the distribution board 2, and the electromagnetic switch 20 is connected to a power supply AC2. The electromagnetic switch 20 has a function of detecting a lighting control signal output from the ceiling-mounted sensor switch 1 to the lighting loads L1 and L2, and controlling lighting of the lighting load L3 based on the lighting control signal. I have.

The following is a brief description of the operation. The ceiling-mounted sensor switch 1 detects, using the PIR sensor, a change in the heat dose radiated and incident from the human body P in the predetermined detection area Ar, and if the detected value is equal to or greater than the predetermined value, the predetermined off-delay time During this time, the lighting loads L1 to L3 are turned on.

As described above, by using the electromagnetic switch 20 provided in the distribution board 2, it is possible to increase the load of a different type of power supply and the lighting load to be controlled.

In some cases, the electromagnetic switch 20 is installed behind a ceiling, and an opening for maintenance is provided on the ceiling.

[0009]

However, in the above-described lighting control system, when the electromagnetic switch is provided in the distribution board, it is necessary to route the wiring connected to the additional lighting load in the ceiling. There was a problem that workability was extremely poor. Further, at the time of maintenance and inspection of this system, the inspector goes to the distribution board to perform the maintenance and inspection, so that the maintenance and inspection work is troublesome for the inspector.

When the electromagnetic switch is provided behind the ceiling, the maintenance person performs maintenance and inspection through the inspection port for wiring and the like provided on the ceiling during maintenance and inspection of the system. Was troublesome for maintenance work.

SUMMARY OF THE INVENTION The present invention has been made in view of the above problems, and has as its object to provide a lighting control system capable of increasing a lighting load with reduced construction and facilitating maintenance and inspection work. is there.

[0012]

A lighting control system according to a first aspect of the present invention includes a ceiling-mounted sensor switch having a human sensor for detecting a heat ray radiated from a human body. In a lighting control system configured to perform lighting control of a lighting load based on a detection signal from the human sensor of the type sensor switch 1, a lighting load adder is provided on a ceiling 3 surface, and the lighting load adder A lighting control of an additional lighting load is performed by taking in a detection signal from the human sensor of the ceiling-mounted sensor switch 1.

According to a second aspect of the present invention, in the lighting control system according to the first aspect, the lighting load adder includes lighting of the lighting loads L1 and L2 connected to the ceiling-mounted sensor switch 1. A changeover switch S including an interlocking mode in which control and the lighting control of the additional lighting load are linked, a constant lighting mode in which the additional lighting load is always turned on, and a constant light-off mode in which the additional lighting load is always disconnected.
W is added.

[0014]

Embodiments of the present invention will be described below with reference to the drawings. Note that the ceiling-mounted sensor switch 1, which is a basic component of the lighting control system, is the same as that shown in the related art, and therefore, the same portions are denoted by the same reference numerals and description of the common portions will be omitted. .

A first embodiment of the present invention will be described with reference to FIGS. FIG. 1 is a configuration diagram showing a lighting control system according to a first embodiment of the present invention, and FIG. 2 is a schematic wiring diagram.

As shown in FIG. 1, the lighting control system comprises:
Ceiling-mounted sensor switch 1 mounted on three ceilings
Power supply AC1 for supplying power to three lighting loads L1, L2, L4, L5, lighting load adders 10, 11, distribution board 2, ceiling-mounted sensor switch 1, and lighting load adder 10 , And a power supply AC4 for supplying power to the lighting load adder 11. In the lighting control system configuration, lighting loads L4 and L5 are newly added to the ceiling 3 surface.

Here, in the first embodiment, the lighting load adder 10 is configured to electrically connect the lighting load L4 and to provide a part of the package portion 16 on the ceiling 3 so as to be exposed in the room. Yes, a lighting control signal output from the ceiling-mounted sensor switch 1 to the lighting loads L1 and L2 is detected,
A control circuit 15 having a function of generating a lighting control signal for the connected lighting load L4 in conjunction with the content of the lighting control signal, and a lighting load based on the lighting control signal generated by the control circuit 15. A switch element (not shown) for controlling lighting of L4.

The lighting load adder 10 receives power supply for operating the control circuit 15 from the ceiling-mounted sensor switch 1 and also receives power supply from the power supply AC3 to supply power to the connected lighting load L4. Function.

The lighting load adder 11 also has the same configuration as the lighting load adder 10, connects the lighting load L5, receives power from the power supply AC4, and supplies power to the connected lighting load L5.

The lighting loads L1 and L2 and the lighting load L
4 and the lighting load L5 have different capacities, and therefore use different power sources AC1, AC3 and AC4, respectively.

The description of the operation is omitted because it is common to that shown in the prior art.

In this lighting control system, the lighting load adders 10 and 11 are provided on the ceiling 3 and the lighting loads L4 and L4 are provided.
5 are connected to each other to supply power to the lighting loads L4 and L5 from the outside. Therefore, when the lighting loads L4 and L5 are added, the wires connected to the lighting loads L4 and L5 need to be routed inside the ceiling 3. And the lighting load L
4. It is possible to provide a lighting control system capable of adding L5.

Next, in the first embodiment, the lighting loads L4,
An embodiment in which a changeover switch SW having a function of switching the lighting mode of L5 is provided as a second embodiment will be described below. The description of the common parts with the first embodiment will be omitted.

A second embodiment of the present invention will be described with reference to FIG. FIG. 3 is a schematic wiring diagram of a lighting control system according to a second embodiment of the present invention.

As shown in FIG. 3, the control circuit 15 of the lighting load adder 10 has a control circuit 15 for linking control of the lighting loads L1 and L2 connected to the ceiling-mounted sensor switch 1 and the lighting load L4 to be added. "Mode", the "on mode" in which the lighting load L4 is always on regardless of the lighting state of the lighting loads L1 and L2, and "off" in which the lighting load L4 is always off regardless of the lighting state of the lighting loads L1 and L2. A changeover switch SW capable of selecting a “mode” is provided, and the human body (user) P can control lighting of the lighting load L4 according to a desired mode. The changeover switch is
It is provided in the package section 16 exposed in the room, and can be operated by a human body P in the room.

The basic description of the operation is the same as that shown in the prior art, and will not be repeated.
When the changeover switches 0 and 11 are selected to be in the “interlocking mode”, the lighting loads L1, L2, L4 and L5 are controlled by the ceiling-mounted sensor switch 1.

In this lighting control system, the changeover switch S is connected to the lighting load adders 10 and 11 provided on the ceiling 3.
W, the lighting loads L4 and L5 connected to the lighting load adders 10 and 11 can be controlled to be turned on regardless of the lighting state of the lighting loads L1 and L2 connected to the ceiling-mounted sensor switch 1. Can cut off the lighting loads L4 and L5 connected to the lighting load adders 10 and 11, respectively, without disconnecting the ceiling-mounted sensor switch 1 with the switchboard 2. There is no need to work at the provided inspection port, and maintenance and inspection work of this system can be facilitated. In addition, maintenance and inspection work can be performed for each system, and lighting confirmation of the added lighting loads L4 and L5 after the maintenance and inspection can be easily performed using the changeover switches SW of the lighting load extension units 10 and 11, respectively. it can.

Here, the numbers of the lighting load adders and the lighting loads are of course not limited to the numbers shown in the present embodiment.

[0029]

As described above, in the lighting control system according to the first aspect of the present invention, a ceiling-mounted sensor switch having a human sensor for detecting a heat ray radiated from a human body is provided. A lighting control system for controlling lighting of a lighting load based on a detection signal from the human sensor of the ceiling-mounted sensor switch, wherein a lighting load expander is provided on a ceiling surface; In the above, the lighting control of the additional lighting load is performed by taking in the detection signal from the human sensor of the ceiling-mounted sensor switch, and the additional lighting load is provided on the ceiling to connect the additional lighting load. Since power is supplied to this additional lighting load from the outside, it is not necessary to route the wiring connected to the lighting load inside the ceiling when adding the lighting load. Possible is an effect that the lighting control system can be provided.

[0030] In the lighting control system according to the second aspect, in the invention according to the first aspect, the lighting load adder includes the ceiling-mounted sensor switch for the additional lighting load. An interlocking mode in which the lighting control of the lighting load connected to the lighting control and the lighting control of the additional lighting load are interlocked; a constant lighting mode in which the additional lighting load is always turned on; And a changeover switch with
A changeover switch is provided in the lighting load adder provided on the ceiling, and regardless of the lighting state of the lighting load connected to the ceiling-mounted sensor switch, the lighting load connected to the lighting load adder can be controlled to be turned on. Since the additional lighting load connected to the lighting load extension device can be cut without disconnecting the ceiling-mounted sensor switch with a distribution board, it is necessary to work at an inspection port provided on the distribution board or the ceiling. This has the effect that maintenance and inspection work of this system can be easily performed. Further, it is possible to perform maintenance and inspection work for each system, and it is also possible to easily confirm the lighting of the additional lighting load after the maintenance and inspection by using the changeover switch of the lighting load expander.

[Brief description of the drawings]

FIG. 1 is a configuration diagram illustrating a lighting control system according to a first embodiment of the present invention.

FIG. 2 is a schematic wiring diagram illustrating a lighting control system according to the first embodiment of the present invention.

FIG. 3 is a schematic wiring diagram illustrating a lighting control system according to a second embodiment of the present invention.

FIG. 4 is a configuration diagram showing a lighting control system according to a conventional example.

[Explanation of symbols]

 DESCRIPTION OF SYMBOLS 1 Ceiling-mounted sensor switch 2 Distribution board 3 Ceiling 10, 11 Lighting load extension device 15 Control circuit AC1-AC4 Power supply L1-L5 Lighting load SW changeover switch P Human body

 ────────────────────────────────────────────────── ─── Continued on the front page F term (reference) 3K073 AA39 AA86 AB03 AB04 AB07 BA25 CF13 CJ01 CJ02 CJ11 CJ22 5K048 AA11 BA07 DB02 EB02 HA04 HA06

Claims (2)

[Claims] 1. A ceiling-mounted sensor switch having a human sensor for detecting a heat ray radiated from a human body,
In a lighting control system configured to perform lighting control of a lighting load based on a detection signal from the human sensor of the ceiling-mounted sensor switch, a lighting load adder is provided on a ceiling surface, and the lighting load adder includes: A lighting control system, wherein a lighting signal of an additional lighting load is controlled by taking in a detection signal from the human sensor of the ceiling-mounted sensor switch. 2. The lighting load adder has an interlock mode in which lighting control of a lighting load connected to the ceiling-mounted sensor switch and lighting control of the additional lighting load are linked to the additional lighting load. 2. A lighting control system according to claim 1, further comprising a changeover switch having a constant lighting mode in which the additional lighting load is always turned on and a constant light-off mode in which the additional lighting load is always turned off. .