JPH02123610A - Lighting device - Google Patents

Abstract

PURPOSE:To facilitate the attaching of sensors and enable the prevention of the malfunction caused by direct light by receiving the incident light through two surfaces of a sensor having which are free from the incidence of the direct light from the lamp respectively with a light sensor and a human body detecting sensor, and controlling the light-on of the lamp. CONSTITUTION:A light control device of the luminaire main frame 1 supporting, with an arm 3, the lighting body in which a lamp such as an incandescent lamp is mounted are built-in a housing part 5. Light receiving windows 6, 7 are formed on one surface of the housing part 5 on which the direct light from the lamp is not thrown and other surface respectively. The outside light and the infrared light thrown from the windows 6, 7 are detected respectively by a light sensor and a human body detecting sensor provided in the housing part 5. When outside light darkens, the lamp is lighted on; and as a human comes near, illuminance is raised. In this structure, the attaching of the sensor is facilitated and the malfunction of the sensor caused by the direct light can be prevented.

Description

[Detailed Description of the Invention] [Object of the Invention] (Industrial Application Field) The present invention provides a method for controlling the lighting of the lamp according to the brightness around the main body of the device, and also by detecting a human body. The lighting system controls the lighting of the lights.

(Prior art) Conventionally, as this type of lighting device, Japanese Patent Application Laid-Open No. 58-48324
No. 2 has been proposed. In this device, a light sensor and a human body detection sensor are integrated into a unit and installed at a different position from the lighting equipment main body, or installed in the lighting equipment main body.

(Problems to be Solved by the Invention) The above-mentioned conventional lamps can control the lighting of the lamp depending on not only the brightness of the surrounding area but also the presence or absence of a person, so it is recognized that unnecessary power consumption can be reduced. It will be done. However, in order to actually produce such a lighting device, it is necessary to make rough improvements in terms of manufacturability and installation. That is, in the conventional device in which the sensor unit is disposed at a location separate from the main body of the device, there is a problem in that installation work and wiring work are troublesome. Furthermore, even when installed in the device itself, it is necessary to prevent direct visible and infrared light from the lamp from entering each sensor, and it is also necessary to simplify the installation and electrical wiring of each sensor. However, the above-mentioned conventional method did not take these points into consideration.

The present invention was made in consideration of such circumstances, and
The purpose of this invention is to provide a lighting device that is easy to install, simplifies the mounting of each sensor, and simplifies electrical wiring, and in general, does not cause each sensor to malfunction due to direct light from the lamp. is.

[Structure of the Invention] (Means for Solving the Problems) The present invention has a lamp and a storage section for storing the lamp and lighting control parts for the lamp, and the storage sections are connected to each other. A device body having first and second light-receiving windows on adjacent outer peripheral surfaces at positions where direct light from the lamps does not enter; an external light control device that has a light sensor that detects the light sensor and controls lighting of the lamp according to the detection output of the light sensor; a human body detection control device that controls lighting of the lamp according to the detection output of the lamp; the optical sensor is disposed on at least one side, and the human body detection sensor is disposed on the other side; The structure is characterized in that the first light-receiving window includes a wiring board disposed within the housing so that the human body detection sensor faces the second light-receiving window.

(Function) In the present invention, the lighting control parts for the lamp, including the optical sensor and the human body detection sensor, are provided inside the appliance body, so compared to the conventional sensor unit that is installed in a separate position from the appliance body. Installation and wiring work is extremely easy. In addition, first and second light receiving windows are provided on adjacent outer peripheral surfaces of the storage section at positions where direct light from the lamps does not enter, and a light sensor and a human body detection sensor are provided on different sides of the wiring board. Since the wiring board is arranged in the housing so that these optical sensors face the first light receiving window and the human body detection sensor faces the second light receiving window, direct light from the optical sensor and the human body detection sensor This simplifies the installation of the optical sensor and the human body detection sensor and the electrical connections to these sensors while preventing malfunctions.

In addition, in the present invention, controlling the lighting of a lamp means
In addition to lighting and extinguishing control, it also includes dimming control.

(Example) An example of the present invention will be described below with reference to FIGS. 1 to 3. Reference numeral 1 denotes the appliance body, and for example, if it is attached directly to a wall, it is a shape. This instrument body 1 includes a base part 2, an arm 3,
It has a lamp body 4a supported by this arm 3 and a storage section 5. A lamp (not shown) such as a light bulb is installed inside the lamp body 4. The housing part 5 stores all or at least a part of the lighting control parts of the lamp, and has a first light receiving window 6 and a second light receiving window 6 on the adjacent outer peripheral surfaces at positions where direct light from the lamps does not enter. A light receiving window 7 is formed. That is, in this example,
A first light-receiving window 6 is formed on the lower side of the storage section 5, and a second light-receiving window 7 is formed on the front side, and each window 6.7 is provided with a light-transmitting cover 8.9. Reference numeral 10 denotes an external light control device (see FIG. 2), which is housed in the storage section 5. Also,
Reference numeral 20 denotes a human body detection control device (see FIG. 2), which is also stored in the storage section 5. These external light control devices 10
And the human body detection side! II device 20 will be explained with reference to FIG. The external light control device 10 connects a light sensor 11 that detects the brightness around the appliance body 1 to a bimetallic heater 1.
A contact 1 connected in series with 2 and provided between the output terminals of the commercial AC power source e, and whose opening/closing is controlled by the heater 12.
3 is inserted into a series circuit with the dimming circuit 30 and the lamp 40. Therefore, when the surroundings of the appliance main body 1 are bright, the contacts 13 are opened to turn off the lamp 40, and when the surroundings are dark, the contacts 13 are closed and power is supplied to the lamp 40 via the dimming circuit 30. Then, turn on the dimmer. Since the dimming circuit 30 is well known, a detailed explanation will be omitted, but in this embodiment, it has a variable resistor 31 that can change the degree of dimming from 0 to 100%, and this variable resistor 31 is This can be changed using an operating tool 32 (see FIG. 1) arranged in parallel with the light receiving window 7 of No. 2.

The human body detection control device 20 is provided between, for example, an infrared detection type human body detection sensor 21, an excitation coil 22 of a relay whose energization is controlled by the detection output of the human body detection sensor 21, and an input terminal of the dimming circuit 30. The above excitation coil 22
the first contact 23 whose opening/closing is controlled by the dimmer circuit 3;
The above excitation coil 22 is connected in series with one input terminal of the 0 field.
When the human body detection sensor 21 detects a human body, the excitation coil 22 is energized to open the first contact 23 and open the second contact 24. At the same time, when a human body is not detected, the first and second contacts 23 and 24 are controlled in the opposite manner.

Therefore, when a human body is detected, the lamp 40 is turned on at full brightness, and when a human body is not detected, the desired dimming is performed via the dimming circuit 30. Note that a well-known timer function that lights the lamp 40 for a predetermined period of time after a human body is no longer detected may be provided as appropriate.

50 is a wiring board, and the optical sensor 11 is mounted on at least one side of the wiring board.
It is a wiring board in which a human body detection sensor 21 is arranged on the other side, and a relay, bimetal, etc. are arranged as appropriate. This wiring board 50 is disposed in the storage section 5 so that the optical sensor 11 faces the first light receiving window 6 and the human body detection sensor 21 faces the second light receiving window 7. Although the groove structure for mounting the wiring board 50 is not shown in the drawings, it is easily understood that the wiring board 50 can be installed using any known means as appropriate.

Next, the operation of this embodiment will be explained. The external light control device 10 and the human body detection sensor @20 include at least the light sensor 1 thereof.
1 and the human body detection sensor 21 are mounted on a wiring board 50 and arranged in the storage section 5.

Other components may be mounted on the wiring board 50 or another wiring board (not shown), or stored in the storage section 5 or other locations in the instrument body 1 without using a wiring board. Therefore, all installation work is completed by simply attaching the appliance body 1 to a wall surface or the like.

In use, the first and second light-receiving windows 6.7 are formed in positions where direct light from the lamp does not enter, so the optical sensor 11 and human body detection sensor 21 receive visible light and infrared light from the lamp. No malfunctions. When the surroundings of the appliance main body 1 are bright, the lamp 40 is turned off, and when it is dark, the lamp 40 can be automatically controlled to be lit at full brightness or dimmed. Roughly speaking, when the surroundings are dark and the lights are dimmed, when a human body is detected, the lamp 40 is turned on at full power to provide the required illumination. Therefore, power saving effects can be automatically obtained.

FIGS. 4 and 5 show other embodiments of the present invention. In this embodiment, the same or corresponding parts as in the first embodiment are given the same reference numerals, and the explanation thereof will be omitted. The device main body 1'' in this embodiment has a base portion 2' and an arm 3' that can be separated, and has a mounting plate 60 for mounting on a wall surface etc. Also, a wiring board 50 In addition, another wiring board 51 is provided, and each sensor 11.2
1 and other component parts are mounted separately. The other configurations and operations of this embodiment are easily understood from the drawings and what has already been described, so their explanation will be omitted.

Note that the present invention is not limited to the above-mentioned embodiments, and various modifications are possible. For example, the present invention can be applied to things such as garden lights, rather than being attached directly to a wall.

Further, the first and second light receiving windows may be provided not only on the front side and the bottom side of the storage unit, but also on the front side and side sides, and on the bottom side and side sides. Further, the position where no direct light from the lamp is incident does not necessarily have to be strictly zero incident light, but may allow incident light to the extent that each sensor does not malfunction. Furthermore, each sensor may partially protrude from the light receiving window.

[Effects of the Invention] As described above, the present invention provides the lamp lighting control parts including the optical sensor and the human body detection sensor within the appliance body, so installation is easy, and moreover, it can be installed on a common wiring board. Since an optical sensor and a human body detection sensor are provided in the sensor, installation and electrical connection of these sensors are easy. Furthermore, the optical sensor and the human body detection sensor will not malfunction due to direct light from the lamp.

[Brief explanation of the drawing]

Fig. 1 is a perspective view showing one embodiment of the present invention, Fig. 2 is a circuit diagram showing an example of the lamp lighting control TM device, Fig. 3 is a perspective view of the main parts, and Fig. 4 is another embodiment. FIG. 5 is an exploded cross-sectional view showing a partially cut away example, and FIG. 5 is a cross-sectional view of the main part. 1... Appliance body, 10... External light control device, 20.
...Human body detection control device, 4o...Lamp, 50...
wiring board.

Claims (1)

[Claims] (1) Lamp; It has a storage part in which the lamp is mounted and the lighting control parts of the lamp are stored, and each of the adjacent outer peripheral surfaces of the storage part has a position where direct light from the lamp does not enter. an instrument main body having first and second light receiving windows; an optical sensor provided in the instrument main body for detecting the brightness around the instrument main body; and a detection output of the optical sensor. an external light control device that controls the lighting of the lamp in accordance with the above; and a human body detection device that is provided in the appliance body and has a human body detection sensor and controls the lighting of the lamp in accordance with the detection output of the human body detection sensor. A control device; the optical sensor is disposed on at least one side, and the human body detection sensor is disposed on the other side, and these optical sensors are disposed in the first light receiving window, and the human body detection sensor is disposed in the second light receiving window. A lighting device comprising: a wiring board disposed within the housing so as to face a light-receiving window;