JP2999028B2 - Outdoor lighting automatic control system - Google Patents

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to an automatic outdoor lighting control system for effectively controlling outdoor lighting at entrances and exits such as entrance lighting of houses.

[0002]

2. Description of the Related Art A conventional automatic lighting control device for outdoor lighting includes:
In general, a wall-mounted type in which a sensor is attached to the lower side of a lighting fixture or a ceiling-mounted type in which a sensor is attached to an entrance room is generally used.

[0003]

However, in the above-mentioned conventional example, the wall-mounted type has a problem in appearance, and the ceiling-mounted type is not easy to route the wiring. There was no problem. In addition, the conventional indoor switch simply switches on and off the outdoor lighting on the indoor side, and cannot check the lighting state or switch the lighting mode indoors. There is no degree of freedom to select the lighting fixture to be a favorite one, and in this case also, there is a problem that the lighting state cannot be confirmed and the lighting control mode cannot be switched.

SUMMARY OF THE INVENTION The present invention has been made to solve the above-described problems of the conventional example, and a sensor unit disposed outdoors can be attached to a most suitable position separately from a lighting fixture, and wiring can be reduced. An object of the present invention is to provide an outdoor lighting automatic control system which does not need to be checked and which can check a lighting state in an indoor unit and can switch a lighting control mode.

[0005]

SUMMARY OF THE INVENTION Therefore, an automatic outdoor lighting control system according to the present invention is provided with an illuminance sensor which is disposed outdoors and detects ambient illuminance and a human body detection sensor which detects the presence of a human body in a predetermined area. And an outdoor sensor unit including a transmitting unit that wirelessly transmits detection information from the two sensors and a solar cell that supplies required power to the two sensors and the transmitting unit, and a secondary battery that is charged by the solar cell. A receiving unit disposed to receive a signal from a transmitting unit of the outdoor sensor unit by supplying power from a commercial power supply; a control unit for automatically controlling outdoor lighting based on an output signal from the receiving unit; and selecting a lighting control mode. The control means switches between three states: off, half-on, and full-on, with the indoor control unit having a manual switch. Configuration, and the indoor control unit includes a display unit that displays the lighting state of the outdoor lighting, further, by configuring the illuminance detection circuit of the illuminance sensor of the outdoor unit also serves as the solar cell, It is intended to achieve the above object.

[0006]

The outdoor lighting automatic control system according to the present invention having the above-described structure is fully lit or half lit by detecting the outdoor brightness and the presence or absence of a human body based on detection information wirelessly transmitted from the outdoor sensor unit. In addition, the lighting state is displayed on the indoor control unit by appropriately automatically controlling the lighting, and the lighting control mode of automatic lighting, constant lighting, and constant lighting is arbitrarily selected by a manual changeover switch.

[0007] The lighting equipment of the outdoor lighting can be selected with a high degree of freedom in consideration of the user's preference and the exterior design effect.

[0008]

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS An embodiment of the present invention will be described below with reference to the drawings. (Configuration) FIG. 1 is a control block diagram of an outdoor lighting automatic control system showing one embodiment of the present invention, FIG. 2 is an explanatory view of a unit arrangement of the above embodiment, FIG. 3 is a plan view of a configuration of an outdoor sensor unit of the embodiment, FIG. 4 is a configuration plan view of the indoor control unit.

1 to 4, reference numeral 1 denotes an outdoor sensor unit (hereinafter referred to as an outdoor unit) of an automatic outdoor lighting control system S disposed in an exterior entrance, and 2 denotes an illuminance sensor disposed in the outdoor unit 1. CdS sensor, 3 is a pyroelectric sensor, which is also an example of a human body detection sensor, 4 is a transmission circuit for transmitting detection signals of the sensors 2 and 3,
Reference numeral 5 denotes a loop antenna formed by a printed wiring or the like for wirelessly transmitting a transmission signal from the transmission circuit 4, and a transmission unit A is configured by the transmission circuit 4 and the loop antenna 5. 6 is a solar cell also arranged in the outdoor unit 1,
7 is charged with the electric power generated by the solar cell, and the transmission circuit 4
Is a lithium battery that is an example of a secondary battery that supplies power to the battery.

A display 10 is buried in the wall of the inner entrance, automatically switches the outdoor lighting to three states of full lighting, half lighting, and lighting off, and includes three LEDs for displaying each state. An indoor control unit (hereinafter referred to as an indoor unit) 12 including a unit 15 and a manual changeover switch 16 for selecting and switching between automatic lighting, always-on lighting, and always-off lighting control mode. A helical antenna 13 receives a detection signal wirelessly transmitted from the loop antenna 5. The amplification circuit 13 amplifies the reception signal to determine the detection signal. An automatic control circuit equipped with a one-chip microcomputer (not shown) for sending out, 17 is each circuit 11, 13, 1 of the indoor unit 10.
Reference numeral 18 denotes a commercial power supply circuit for supplying electric power to the power supply units 4 and 15, that is, a power supply circuit of 100 VAC. And
The transmitting means B includes the receiving circuit 11 and the helical antenna 12,
The control means C is composed of the control circuit 13 and the drive circuit 14.

(Operation) The operation will be described based on the above configuration. In the flowchart of FIG. 5, first, in step S1, the manual changeover switch 16 of the indoor unit 10 is set.
Is set to AUTO, that is, AUTO in FIG. 4, the outdoor unit 1 detects the illuminance of the outside entrance by the illuminance sensor 2 and sends it to the transmission circuit 4 in S2. The transmission circuit 4 outputs a detection signal to the loop antenna 5, and transmits a transmission radio wave from the loop antenna 5 in S3. In S4, this transmission radio wave is transmitted to the indoor unit 1
0, and the control circuit 13
The lighting condition is amplified by a one-chip microcomputer (not shown), and the necessary lighting state is determined.
Thus, the half-lighted power is output from the drive circuit 14 to the lighting fixture 19 via the wiring 18 to be half-lit.

At this time, the human body detection sensor 3 simultaneously detects the presence or absence of a human body in a predetermined area. When the presence of a human body is detected in S7, a detection signal is transmitted from the transmission circuit 4 to the loop antenna 5 in S8. Then, in S9, the helical antenna 12 of the indoor unit 10 receives this and transmits it to the control circuit 13 via the receiving circuit 11.

In S10, the control circuit 13 determines that there is a human body, switches the half-lighting to the full lighting state, outputs the power from the drive circuit 14 to the lighting equipment 19, and causes the lighting equipment 19 to fully light it in S11. As a result, the entrance portion is brought into a brightly lit state in which all lighting is performed. When a predetermined time elapses after the human body is no longer detected, the received signal of the control circuit 13 is only the illuminance detection of the illuminance sensor 2 and is returned to half-lighted. Thereafter, when the outside becomes bright and the illuminance reaches the turn-off illuminance, the control circuit 13 switches to the turn-off state in S12, the power supply from the drive circuit 14 is stopped, and the lighting is turned off in S13.

If it is necessary to always turn on or turn off the light, the automatic control is released by turning on / off the manual changeover switch 16 shown in FIG. Is always off.

As described above, at the time of automatic control of the lighting, the exterior illumination of the exterior can be performed very effectively and energy saving by the detection of the illuminance sensor 2 and the human body detection sensor 3, and the illumination state is determined by the indoor unit. Since it is always displayed on the display 10, it is very easy to confirm it.

Also, the outdoor sensor unit 1 is wireless and compact, and can be easily arranged at any position without the necessity of arranging the wiring. This makes it possible to use a desired outdoor lighting device. The design of the exterior can be improved with a high degree of freedom. Furthermore,
When it is necessary, it is always switched on and off by the manual changeover switch, so that very efficient entrance lighting can be performed.

In this embodiment, the CdS sensor is used for detecting the illuminance and the pyroelectric sensor is used for the human body detection sensor. However, the present invention is not limited to this. do it.

Further, it is needless to say that the present invention is not limited to the automatic control of the exterior entrance lighting, but can be applied to the control of the exterior illumination of all entrances and exits.

[0019]

As described above, according to the present invention, a wireless illuminance sensor and a human body detection sensor are provided in an outdoor sensor unit for automatically controlling outdoor lighting, and the outdoor unit is automatically controlled by an indoor unit. Therefore, extremely efficient outdoor lighting can be performed with energy saving,
The lighting state is always displayed on the indoor control unit, and the confirmation can be performed easily and accurately.

Further, since the outdoor sensor unit is wireless and compact and does not require wiring, it can be arranged at any place, and the outdoor lighting unit has a high degree of freedom in selecting outdoor lighting fixtures, and is a favorite lighting excellent in the exterior design effect. Instruments can be used.

Further, it is possible to obtain an efficient outdoor lighting automatic control system having an excellent selectivity and being able to be switched on and off constantly by a manual switch when necessary.

[Brief description of the drawings]

FIG. 1 is a control block diagram of an automatic outdoor lighting control system according to an embodiment of the present invention.

FIG. 2 is an explanatory view of a unit arrangement in the embodiment.

FIG. 3 is a configuration plan view of the outdoor sensor unit of the embodiment.

FIG. 4 is a configuration plan view of the indoor control unit of the embodiment.

FIG. 5 is a flowchart of the embodiment.

[Explanation of symbols]

 Reference Signs List 1 outdoor sensor unit 2 illuminance sensor 3 human body detection sensor 6 solar cell 7a secondary battery 10 indoor control unit 15 display unit 16 manual changeover switch A transmission means B reception means C control means

──────────────────────────────────────────────────の Continued on the front page (51) Int.Cl. ⁷ Identification code FI H04Q 9/00 301 H04Q 9/00 301D 341 341B 9/06 9/06 A

Claims (4)

(57) [Claims] 1. An illuminance sensor which is disposed outdoors and detects ambient illuminance, a human body detection sensor which detects the presence of a human body in a predetermined area, a transmission means for wirelessly transmitting detection information from both sensors, and both sensors And an outdoor sensor unit including a solar cell that supplies required power to the transmission unit and a secondary battery charged by the solar cell, and a transmission unit of the outdoor sensor unit that is disposed indoors and supplied with power from a commercial power supply. And an indoor control unit having a manual switch for selecting a lighting control mode. Control system. 2. The outdoor lighting automatic control system according to claim 1, wherein said control means is configured to be able to switch the outdoor lighting into three states: off, half-on, and full-on. 3. The outdoor lighting automatic control system according to claim 1, wherein the indoor control unit includes a display unit for displaying a lighting state of the outdoor lighting. 4. The outdoor lighting automatic control system according to claim 1, wherein an illuminance detection circuit of an illuminance sensor of the outdoor unit is configured to also serve as the solar cell.