JP2013168248A - Lighting fixture - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide a lighting fixture having a detection section which is not conspicuous visually.SOLUTION: A detection section 24 mounted on the fixture body 20 and having a sensor 241 for controlling dimming of a light source 30 is stored in a detection section cover 247. The detection section 24 can not be visually conspicuous since the surface of the detection section cover 247 is set up to be a color of the same reflectance as the surface 227 wherein the detection section 24 is arranged.

Description

  The present invention relates to a lighting fixture having a detection unit that houses a sensor unit, a remote control light receiving unit, and the like.

2. Description of the Related Art Conventionally, a lighting fixture having a detection unit that houses a sensor unit, a remote control light receiving unit, and the like is known (see, for example, Patent Document 1).
As illustrated in FIG. 7, the lighting fixture 100 described in Patent Literature 1 includes a light source 101, a reflector 102 that reflects light emitted from the light source 101, a drive unit 103 that supplies power to the light source 101 to light it, and a control. A control unit 104 or the like that outputs a signal to the driving unit 103 is included.
It also has an antenna 106 which is a detection unit that receives a signal from the controller 105 of the remote controller, and sends the received signal to the control unit 104 to control the light source 101.

Japanese Patent Laying-Open No. 2006-80007 (FIG. 1)

By the way, it is common to provide a cover on a detection unit having a sensor unit, a remote control light receiving unit, and the like in order to prevent entry of dust and the like.
However, in the case where the surface of the cover of the detection unit has a different reflectance from the place where the detection unit is installed, there is a problem that it is not preferable in appearance because it is noticeable from the difference in reflectance when the cover is exposed to light.

  The present invention has been made to solve the conventional problems, and an object of the present invention is to provide a luminaire having a detection unit that is inconspicuous in appearance.

  The lighting fixture of the present invention includes a fixture main body attached to the attached portion, a light source provided in the fixture main body, a detection unit having a sensor and a remote control light receiving unit, and a detection unit cover for housing the detection unit. And the surface of the said detection part cover is the same reflectance as the surface where the said detection part is installed.

  Moreover, the lighting fixture of this invention has the circuit board of the said detection part provided in the said frame.

  In the present invention, the inner side surface of the detection unit cover is darkened, and the surface of the detection unit cover is similar in color to the surface on which the detection unit is installed. The lighting fixture which has the effect of being can be provided.

(A) is sectional drawing of the lighting fixture of embodiment which concerns on this invention, (B) is the bottom view seen from the downward direction The disassembled perspective view of the lighting fixture of embodiment which concerns on this invention The perspective view which looked at the state which removed the upper frame and upper unit cover of the lighting fixture of embodiment which concerns on this invention from the upper direction Enlarged view of part IV in Fig. 2 Enlarged view of portion V in FIG. (A) is a side view of the luminaire with the upper unit cover removed, (B) is a perspective view seen from above Sectional view of a conventional lighting fixture with a detector

Hereinafter, the lighting fixture of embodiment which concerns on this invention is demonstrated using drawing.
In addition, in the following description, the case where a lighting fixture is attached to a to-be-attached surface and the downward direction is illuminated is demonstrated. Therefore, unless otherwise indicated, upper (upper, upper, etc.) means the ceiling surface side, and lower (lower, lower, etc.) means the floor surface side.

As shown to FIG. 1 (A) and (B), the lighting fixture 10 of embodiment which concerns on this invention is suitable for attaching to the ceiling surface 11 grade | etc., Which is a to-be-attached part, and mainly illuminating below.
As shown also in FIG. 2, the luminaire 10 includes, for example, a disk-shaped luminaire main body 20 having an attachment member 21 for attachment to the hook ceiling 12 attached to the ceiling surface 11.
An annular frame 22 is provided on the outer periphery of the instrument body 20, and an auxiliary light source 70 is provided on the frame 22.

An upper unit (light source) 30, an upper frame 32, and an upper unit cover 31 are provided on the upper side of the instrument body 20 (that is, on the ceiling surface 11 side) (see FIG. 3).
Further, a lower unit 40 that is a main light source and a lens 43 that is an optical member for the lower unit 40 are provided on the lower side of the instrument body 20 (that is, the illumination direction side). Is provided.

As shown in FIG. 2, the lower unit 40 includes a partial arc-shaped substrate 41 in which the circular shape of the instrument body 20 is divided into a plurality of pieces (here, for example, four pieces). LED 42 is mounted.
Each lower unit 40 irradiates light downward.

As shown in FIG. 2, a translucent panel 50 that receives light emitted from the lower unit 40 and diffuses the light is provided in front of the lower unit 40.
The panel 50 has a curved shape curved downward.

As shown in FIGS. 1A, 1B, and 2, the frame body 22 has an annular shape, and has a space 221 in which the panel 50 is fitted.
A surface 222 of the frame body 22 is inclined downward toward the center, and an opening 223 for the auxiliary light source 70 is provided at a predetermined interval (here, a central angle of 120 degrees). The opening 223 is provided in a curved shape corresponding to the outer shape of the frame body 22.
The surface 222 of the frame 22 is provided with a sensor opening 224, an operation display lamp opening 225, and a state display lamp opening 226 as openings for a detection unit 24 described later.

As shown in FIG. 4, the auxiliary light source 70 includes a substrate 72 on which the LED 71 is mounted, a mounting plate 73 to which the substrate 72 is attached, and an auxiliary light source lens 74 that covers the front of the LED 71.
The substrate 72, the mounting plate 73, and the auxiliary light source lens 74 are curved in accordance with the outer shape (circular shape) of the frame body 22.
Further, the surface 741 of the auxiliary light source lens 74 has a shape along the surface 222 of the frame body 22 so as not to protrude from the surface 222 of the frame body 22.

As shown in FIG. 2, a plurality of (for example, four in this example) upper units 30 are provided on the upper surface of the instrument body 20 at predetermined intervals (see FIG. 3).
The upper unit 30 is covered from above with an upper unit cover 31 having translucency.

As shown in FIG. 5, the upper unit 30 includes a substrate 34 on which the LED 33 is mounted, a mounting member 35 for attaching the substrate 34 to the upper surface of the instrument body 20, and a lens 36 that covers the front surface of the LED 33.
The fixture 35 is generally L-shaped, and the substrate 34 and the lens 36 are attached so as to be orthogonal to the upper surface of the instrument body 20.
Therefore, the light from the LED 33 is emitted outward through the upper unit cover 31 in parallel with the upper surface of the instrument body 20 (see FIG. 3).

As shown in FIGS. 6A and 6B, the detection unit 24 is provided on the upper surface 227 of the frame 22 where the sensor opening 224, the operation display lamp opening 225, and the state display lamp opening 226 are provided. It has been.
The detection unit 24 includes a sensor 241 as a sensor, a sensor board (circuit board) 245 to which the sensor 241 is attached, a sensor board holding part 246 for holding the sensor board 245, and a sensor case 244 for attaching the sensor board holding part 246 to the instrument body 20. Have.

Furthermore, it has the detection part cover 247 which covers these.
The detection unit cover 247 is formed in a stepped shape, the lower end abuts on the upper surface 227 of the frame 22, and the upper end is attached to the upper surface 201 of the instrument body 20.
Further, the detection unit cover 247 is provided with a side wall 228 that prevents intrusion of light or the like from the side.

The surface of the detection unit cover 247 has a color having the same reflectance as that of the upper surface 227 of the frame 22 that is the mounting position of the detection unit 24, and the light from the upper unit 30, the auxiliary light source 70, and the nightlight 23 is exposed to the light. When reflected, the light is reflected in the same manner as the upper surface 227 of the frame 22.
Thereby, the detection part cover 247 is not conspicuous.

As shown in FIG. 2, an operation display lamp 242 and a state display lamp 243 are attached to the sensor case 244 in addition to the sensor 241.
Here, the sensor 241 includes an IR sensor, a brightness sensor, a human sensor, a remote control light receiving unit, and the like.

As mentioned above, the lighting fixture 10 of embodiment which concerns on this invention has the detection part 24. FIG. The detection unit 24 includes a lower unit 40 attached to the instrument body 20, a sensor 241 for dimming control of the upper unit 30 and the like, and a remote control light receiving unit (not shown) that receives a signal from the remote controller. The detection unit cover 247 is accommodated.
Then, the surface of the detection unit cover 247 is colored with the same reflectance as that of the upper surface 227 of the frame 22 on which the detection unit 24 is installed, so that when the detection unit cover 247 is exposed to light, the detection unit cover 247 is installed. Since the light is reflected in the same manner as the surface, the appearance can be made inconspicuous.

Further, since the sensor substrate 245 of the detection unit 24 is provided on the frame body 22 provided outside the instrument body 20 and provided with the auxiliary light source 70, the surface of the detection unit cover 247 is connected to the upper surface 227 of the frame body 22. Similar reflectance was used.
Thereby, even if the light from the upper unit 30 or the auxiliary light source 70 is irradiated, the light is reflected in the same manner as the upper surface 227 of the frame 22 that is the installation surface, so that the appearance can be made inconspicuous.

  In addition, the lighting fixture of this invention is not limited to embodiment mentioned above, A suitable deformation | transformation, improvement, etc. are possible.

10 Lighting equipment 11 Ceiling surface (attached part)
20 Instrument body 22 Frame 227 Upper surface (surface)
24 detector 241 sensor 245 sensor board (circuit board)
247 Detection unit cover 30 Upper unit (light source)
70 Auxiliary light source

Claims (2)

An instrument body to be attached to the attached part;
A light source provided in the instrument body;
A detection unit having a sensor and a remote control light receiving unit;
A detection unit cover for accommodating the detection unit,
The lighting fixture whose surface of the said detection part cover is the same reflectance as the surface where the said detection part is installed. The lighting fixture according to claim 1,
The lighting fixture provided in the frame with which the circuit board of the said detection part is provided in the outer side of the said instrument main body, and an auxiliary light source is provided.

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