JP2015125801A - Lighting device - Google Patents

Abstract

PROBLEM TO BE SOLVED: To make it difficult for the detection range of a human detection sensor to deviate from whereabouts of a person.SOLUTION: A device body 1 includes an attachment 100 attached to a ceiling hook rosette 7. In the device body 1A, a light source (auxiliary light source 3) is provided in one of two division areas across a center line 101 passing through the attachment 100 and a human detection sensor 5 is provided in a peripheral edge (frame 12) of the area in which the light source (auxiliary light source 3) is not provided. It is, therefore, possible to make it difficult for a detection range 51 of the human detection sensor 5 to deviate from whereabouts of a person 86 in the lighting device of the present embodiment, as compared with a case where the human detection sensor 5 and the light source (auxiliary light source 3) are provided in the same area that is one of the two division areas across the center light 101.

Description

  The present invention relates to a lighting fixture, and more particularly to a lighting fixture attached to a ceiling.

  As a conventional example, a lighting apparatus described in Patent Document 1 is illustrated. This conventional example includes an instrument body attached to the ceiling, an upper unit that irradiates light on the ceiling surface and the wall surface, and a lower unit that irradiates light on the floor surface. Each of the upper unit and the lower unit is composed of an LED unit using a light emitting diode as a light source.

  The conventional example described in Patent Document 1 is configured so that the upper unit and the lower unit can be individually dimmed and color-adjusted, and has a plurality of types of lighting modes according to the purpose of illumination. For example, in a lighting mode suitable for viewing television broadcasts and DVD images (hereinafter referred to as video viewing mode), the illuminance on the floor surface by the lower unit is reduced and only a part of the upper units are lighted. Illuminates the wall above the receiver.

  As another conventional example, a human sensor that detects the presence of a person in an illumination space is provided. When the human sensor detects the presence of a person, the light source is turned on, and the human sensor detects the presence of a person. Some luminaires are configured to turn off the light source when not detected. Such a luminaire can save energy by turning off the light source or dimming lighting when no person is present.

JP 2012-155938 A

  By the way, in the conventional example described in Patent Document 1, the peripheral edge of a translucent panel (also referred to as a glove) attached to the lower side of the instrument body or the instrument body so as not to block the light irradiated from the lower unit to the floor surface. It is desirable to provide a human sensor in the part.

  However, when viewed from the normal direction (vertical direction) of the ceiling surface, when the upper unit that illuminates the wall surface in the video viewing mode and the human sensor are arranged on the same side with respect to the center line of the lighting fixture, There is a possibility that the location of the person viewing the video is out of the detection range of the human sensor.

  The present invention has been made in view of the above-described problems, and an object of the present invention is to make it difficult for the detection range of the human sensor to be detached from a person's location.

  A lighting fixture of the present invention includes a fixture main body attached to a hook ceiling provided on a ceiling, a light source provided on the fixture main body for irradiating light on a wall surface, and a human sensor for detecting the presence of a person in a detection range, Is provided. Moreover, the lighting fixture of this invention is equipped with the power supply device which turns on and off the said light source corresponding to the detection result of the said human sensitive sensor. The instrument body has an attachment portion attached to the hook ceiling. Moreover, the said instrument main body is provided with the said light source in one said area | region of the two area | regions divided into two by the centerline which passes along the said attachment part, and the peripheral part of the said area | region where the said light source is not provided It is characterized in that the human sensor is provided.

  In this lighting fixture, it is preferable that the fixture body is provided with the light source and the human sensor at positions facing each other with the mounting portion interposed therebetween.

  In this lighting fixture, it is preferable that the fixture body is formed in a disc shape centered on the attachment portion, and the peripheral portion is configured to be rotatable on a circumference centering on the attachment portion.

  In the lighting fixture of the present invention, the fixture main body is divided into two regions by a center line passing through the attachment portion attached to the hook ceiling, a light source is provided in one of the two regions, and a light source is provided. A human sensor is provided at the peripheral portion of the region that is not. Therefore, compared to the case where the human sensor and the light source are provided in the same region of the two regions divided by the center line passing through the mounting portion, the Honjin-type lighting fixture has a detection range of the human sensor. There is an effect that it is possible to make it difficult for the person to leave the place.

Embodiment of the lighting fixture which concerns on this invention is shown, A is a side view, B is a front view. It is an exploded perspective view same as the above. It is explanatory drawing same as the above. A is a side view of the room in which the above is installed, and B is a plan view of the room in which the same is installed. The other embodiment of the lighting fixture which concerns on this invention is shown, A is a top view, B is side sectional drawing which abbreviate | omitted one part.

  Hereinafter, embodiments of a lighting apparatus according to the present invention will be described in detail with reference to the drawings.

  The lighting fixture of this embodiment is provided with the fixture main body 1, the main light source 2, the auxiliary light source 3, the power supply device 4, the human sensitive sensor 5, the cover 6, etc. as shown in FIGS. 1-3. The lighting fixture is directly attached to the ceiling using the hook ceiling 7.

  The hook ceiling 7 includes, for example, a hook ceiling body 70 provided on a ceiling in a living room of a house, and a hook ceiling adapter (hereinafter abbreviated as an adapter) 71 attached to the hook ceiling body 70. However, since such a hook ceiling 7 is conventionally known, detailed illustration and description of the structure are omitted.

  The instrument main body 1 includes a main body portion 10, a reflecting plate 11, and a frame portion 12. The main body 10 is formed of a metal material such as a steel plate into a flat bottomed cylindrical shape with an open lower surface. The main body portion 10 is provided with an attachment portion 100 to which the adapter 71 is attached at a position that becomes the center of the outer circumference circle (hereinafter abbreviated as the center). The attachment part 100 is formed in a cylindrical shape with both ends open. Then, when the adapter 71 attached to the hooking ceiling body 70 is inserted into the mounting portion 100, the claw 710 of the adapter 71 is hooked on the lower edge of the mounting portion 100, whereby the instrument body 1 is held by the hooking ceiling 7 and the ceiling. Attached to.

  The reflector 11 is formed in a disk shape with a metal material such as a steel plate, like the main body 10, and is fixed to the main body 10 so as to close the open end of the main body 10. In addition, the reflecting plate 11 is provided with a long hole-shaped through hole 110 at the center. The attachment portion 100 of the main body portion 10 is exposed to the lower surface side of the reflection plate 11 through the through hole 110.

  The frame portion 12 is formed in an annular shape from a synthetic resin material such as styrene resin. And the frame part 12 is comprised integrally with the main-body part 10 so that the periphery of the main-body part 10 may be engage | inserted.

  As shown in FIG. 2, the main light source 2 includes an annular mounting board (not shown), a number of light emitting diodes (not shown) mounted on the surface (lower surface) of the mounting board along the circumferential direction, And a light distribution control member 20 provided to cover the light emitting diodes along the circumferential direction of the mounting substrate. The light distribution control member 20 is formed of a synthetic resin material having translucency, and is configured to diffuse light (illumination light) emitted from the light emitting diode and irradiate downward. The main light source 2 is fixed to the lower surface of the reflecting plate 11 by screwing at a position on a concentric circle with the through hole 110 as the center.

  The auxiliary light source 3 includes a rectangular mounting board (not shown), a plurality of light emitting diodes (not shown) mounted on the surface of the mounting board along the longitudinal direction, and an arrangement of light emitted from the light emitting diodes. A light distribution control member (not shown) for controlling light. The auxiliary light source 3 is fixed by screwing to the peripheral edge portion of the upper surface of the main body 10 so that the optical axis is parallel to the ceiling toward the outside of the main body 10 (see FIG. 1). The light emitted from the auxiliary light source 3 (auxiliary illumination light 30) is applied to the ceiling 80 and the wall 81 through a window hole (not shown) provided in the peripheral wall of the main body 10 (see FIG. 4A).

  Although not shown in the figure, the power supply device 4 has a large number of circuit components mounted on a printed wiring board, and converts AC voltage / AC current supplied from a commercial power source through a hook ceiling 7 into DC voltage / DC current. Power is supplied to the main light source 2 and the auxiliary light source 3 separately. Further, the power supply device 4 includes a metal case (not shown) that houses the printed wiring board, a cable 40 that is led out from the case, and a plug connector 41 that is provided at the tip of the cable 40. Then, the plug connector 41 is connected to a receptacle connector 711 provided at the center of the lower surface of the adapter 71. That is, the power supply device 4 is supplied with power from the commercial power supply via the cable 40.

  The human sensor 5 is configured to detect the presence of a person in the detection range and output a human body detection signal by sensing infrared rays emitted from the human body with a pyroelectric element. Further, the human sensor 5 is provided in the frame portion 12 so that a part (a lens for condensing infrared rays on the pyroelectric element) 50 protrudes from a hole 121 provided in the lower surface of the frame portion 12. However, since such a human sensor 5 is conventionally known, detailed illustration and description of the configuration are omitted. The human sensor 5 may be a sensor that detects the presence of a person by transmitting and receiving ultrasonic waves, a sensor that detects the presence of a person using an image captured by an image sensor, and the like. I do not care.

  The cover 6 is formed of a light-transmitting synthetic resin material (for example, acrylic resin) into a hollow hemisphere having an upper surface open and convex downward (see FIG. 2). The cover 6 has six protrusions 60 provided at equal intervals along the circumferential direction on the inner peripheral surface of the opening end. The cover 6 is supported by the three attachments 13 and the three support fittings 14 provided along the circumferential direction on the lower surface of the instrument main body 1, so that the frame portion 12 on the lower surface of the instrument main body 1 is supported. It is attached inside.

  The lighting fixture of this embodiment is directly attached to the ceiling 80 by attaching the fixture main body 1 to the hook ceiling 7 as shown in FIG. Here, the detection range 51 of the human sensor 5 provided in the frame portion 12 has a conical shape as indicated by a broken line in FIG. That is, when a person enters the detection range 51 or when a person stays in the detection range 51, the human sensor 5 detects the presence of the person and outputs a human body detection signal to the power supply device 4. The power supply device 4 is configured to turn on at least one of the main light source 2 and the auxiliary light source 3 at a rated power when a human body detection signal is input. Further, the power supply device 4 is configured to turn off or dimming at least one of the main light source 2 and the auxiliary light source 3 when a predetermined delay time elapses from when the human body detection signal is not input. The

  Here, as shown to FIG. 4A and FIG. 4B, suppose that the lighting fixture of this embodiment is installed in the ceiling 80 of the living room of a house. In this living room, a television receiver 83 is installed near one wall 82, a table 84 is installed directly under the lighting fixture, and a chaise lounge 85 such as a sofa is placed at a position facing the television receiver 83 across the table 84. It shall be installed. In this case, the fixture body 1 of the lighting fixture is hooked in such a direction that the auxiliary illumination light 30 of the auxiliary light source 3 is irradiated on the wall (the left wall in FIGS. 4A and 4B) 82 on the side where the television receiver 83 is installed. It is attached to the ceiling 7.

  By the way, it is considered that the person 86 who views the video content on the television receiver 83 is likely to sit on the chaise lounge 85 as shown in FIGS. 4A and 4B. Then, when the human sensor 5 is installed near the auxiliary light source 3 in the instrument main body 1, the chaise lounge 85 is removed from the detection range 52 of the human sensor 5 (a range surrounded by a two-dot broken line in FIG. 4B). It will be. As a result, the human sensor 5 may not be able to detect the presence of the person 86 sitting on the chaise lounge 85.

  Therefore, in the lighting apparatus of the present embodiment, the auxiliary light source 3 is provided in the left region of the two regions divided by the center line 101 passing through the mounting portion 100 as shown in FIG. A sensor 5 is provided. Therefore, as shown in FIG. 4B, the chaise longue 85 is included in the detection range 51 of the human sensor 5, so that the detection range 51 of the human sensor 5 can hardly be removed from the location of the person 86.

  As described above, the lighting fixture of the present embodiment includes the fixture main body 1 attached to the hook ceiling 7 provided on the ceiling 80, and the light source (auxiliary light source 3) provided on the fixture main body 1 to irradiate the wall surface with light. Prepare. In addition, the lighting fixture of the present embodiment includes a human sensor 5 that detects the presence of a person in the detection range 51, and a power supply device that turns on and off the light source (auxiliary light source 3) according to the detection result of the human sensor 5. 4. The instrument main body 1 has an attachment portion 100 attached to the hook ceiling 7. In addition, the instrument body 1 is provided with a light source (auxiliary light source 3) in one of two areas divided by a center line 101 passing through the mounting portion 100, and a light source (auxiliary light source 3). The human sensor 5 is provided in the peripheral part (frame part 12) of the area | region which is not.

  With the configuration described above, the lighting fixture of the present embodiment includes the human sensor 5 and the light source (auxiliary light source 3) provided in the same region of the two regions divided by the center line 101 passing through the mounting portion 100. In comparison, the detection range 51 of the human sensor 5 can be hardly separated from the location of the person 86.

  Moreover, it is preferable that the instrument main body 1 is provided with the light source (auxiliary light source 3) and the human sensor 5 in the position which opposes on both sides of the attaching part 100. FIG.

  Furthermore, it is preferable that the instrument main body 1 is formed in a disc shape with the attachment portion 100 as the center. And it is preferable that a peripheral part (frame part 12) is comprised so that rotation on the circumference centering on the attaching part 100 is possible.

  For example, the frame 12 is configured to be rotatably supported by an annular outer casing 102 provided in the main body 10 as shown in FIG. That is, the frame portion 12 is provided with a groove 122 on the inner peripheral surface, and is inserted into the groove 122 so that the frame portion 12 is supported by the outer flange 102 so as to be rotatable in the circumferential direction. Further, the frame portion 12 is provided with a protrusion 123 at a position along the radial direction of the main body portion 10 along with the human sensor 5. On the other hand, a pair of stoppers 103 are provided on the outer peripheral surface of the main body 10 on the center line 101 on the movement path of the protrusion 123. Therefore, the frame portion 12 restricts the rotation range by applying the protrusion 123 to the stopper 103, so that the human sensor 5 is located on the side where the auxiliary light source 3 is provided (on the right side of the center line 101 in FIG. 5). It is configured not to enter the area. The human sensor 5 is connected to the power supply device 4 by a signal line 53. The signal line 53 has a length corresponding to the rotation range of the frame portion 12.

  As described above, the frame portion 12 is configured to be rotatable with respect to the main body portion 10 so that the shape of the room (for example, the living room) and the layout of the furniture (the television receiver 83, the table 84, the chaise lounge 85, etc.) can be obtained. Correspondingly, the position of the human sensor 5 can be adjusted.

1 Instrument body 3 Auxiliary light source (light source)
4 Power supply device 5 Human sensor 7 Catch ceiling 12 Frame (periphery)
100 Mounting part 101 Center line

Claims (3)

An instrument main body attached to a hook ceiling provided on a ceiling, a light source provided on the instrument main body for irradiating light on a wall surface, a human sensor for detecting the presence of a person in a detection range, and detection of the human sensor A power supply device for turning on and off the light source corresponding to the result,
The instrument body has a mounting portion attached to the hook ceiling, the light source is provided in one of the two regions divided by a center line passing through the mounting portion, and the light source is provided. The lighting device is characterized in that the human sensor is provided at a peripheral portion of the region that is not provided.   The lighting fixture according to claim 1, wherein the fixture body is provided with the light source and the human sensor at positions facing each other with the attachment portion interposed therebetween.   The said instrument main body is formed in the disk shape centering on the said attaching part, and the said peripheral part is comprised so that rotation on the circumference centering on the said attaching part is possible. Lighting fixtures.

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