JPH0645076A - Luminaire - Google Patents

Abstract

PURPOSE:To realize a stable remote control operation even in low temperature state. CONSTITUTION:A light receiving part 13 for receiving a remote control signal by infrared ray is arranged in the center part of an equipment body 11, and electrode parts 12a of four circular fluorescent lamps 12 are arranged near the corner parts of the equipment body 11. Namely, the light receiving part 13 is arranged away from the electrode parts 12a of the circular fluorescent lamps 12, whereby the light close to the infrared ray much emitted from the electrode parts 12a of the circular fluorescent lamps 12, when lighted in low temperature state, can be prevented from being entered to the light receiving part 13.

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a lighting device which is remotely controlled by using a transmitter.

[0002]

2. Description of the Related Art In recent years, some lighting fixtures can be remotely controlled using a transmitter that emits a remote control signal by infrared light in order to turn on and off. This conventional lighting device that can be operated remotely will be described with reference to the drawings. FIG. 7 is a partial cross-sectional view of a first conventional lighting fixture.
In FIG. 7, reference numeral 71 is a device main body, 72 is a ring-shaped fluorescent lamp in which an electrode portion 72a is fitted in a socket 74, and 73 is a transmitter 7.
A light receiving portion 75 for receiving a remote control signal from 6 and a milky white globe 75 made of a translucent material.

This conventional luminaire is a ceiling-mounted type luminaire in which the rear part of the luminaire body 71 is directly attached to the ceiling, and a ring-shaped fluorescent lamp 72 is attached to the front part of the luminaire body 71. A light receiving portion 73 for receiving a remote control signal is attached to the central portion of 72. The light receiving portion 73 is projected toward the front side of the ring-shaped fluorescent lamp 72 so that the remote control signal from the transmitter 76 can be easily received. When the transmitter 76 is operated, a remote control signal by infrared light is emitted from the transmitter 76 and enters the light receiving portion 73, and operations such as turning on and off the ring-shaped fluorescent lamp 72 are performed. Further, the light of the ring-shaped fluorescent lamp 72 is prevented from directly entering the light receiving portion 73 so that it is not affected by the light of the ring-shaped fluorescent lamp 72.

FIG. 8 is a partial sectional view of a second conventional lighting fixture. In FIG. 8, reference numeral 81 is a main body of the apparatus, 82 is a ring-shaped fluorescent lamp, 83 is a light receiving portion for receiving a remote control signal from a transmitter 86, 84 is a shade made of a translucent material, and 85 is a ceiling. This conventional lighting fixture is a hanging type lighting fixture, and the ring-shaped fluorescent lamp 8 is provided on the front surface of the fixture body 81.
2 is attached, and the light receiving portion 83 is attached to the back surface portion.
Then, in order to leak the light of the ring-shaped fluorescent lamp 82 toward the ceiling and brighten the entire room, the instrument body 81 is brought close to the ceiling 85. When the transmitter 86 is operated, a remote control signal by infrared light is emitted from the transmitter 86.
This remote control signal is reflected by the ceiling 85 and enters the light receiving portion 83 to perform operations such as turning on and off the ring-shaped fluorescent lamp 82.

FIG. 9 shows a third conventional lighting fixture. 9A is a plan view thereof, and FIG. 9B is a sectional view thereof. In FIG. 9, reference numeral 91 is the main body of the apparatus, 92 is a ring-shaped fluorescent lamp, 92a is an electrode section of the ring-shaped fluorescent lamp 92, 93 is a light receiving section for receiving a remote control signal from a transmitter, and 94 is a milky white globe made of a translucent material. Is. This conventional luminaire is a ceiling-mounted type luminaire in which four ring-shaped fluorescent lamps 92 are attached, and a light receiving portion 93 is provided at the center of a luminaire body 91.

[0006]

However, when the lamp is turned on at a low temperature, a large amount of light close to infrared light, that is, light close to a remote control signal is emitted from the electrode portions of the ring-shaped fluorescent lamps 72, 82 and 92. In the configuration of FIG. 7, since the light receiving portion 73 is provided in the central portion of the ring-shaped fluorescent lamp 72 and is close to the electrode portion 72a, the light receiving portion 73 is masked by the infrared light emitted from the electrode portion 72a, and the remote control signal is incident. There is a problem that it is difficult to do and it is difficult to operate. Also in the configuration of FIG. 8, light close to infrared light emitted from the electrode portion (not shown) of the ring-shaped fluorescent lamp 72 passes through the shade 84 made of a translucent material and is reflected by the ceiling 85. Light receiving part 8
There is also a problem that it becomes difficult to operate with a remote control because it may enter 3. Further, in the configuration of FIG. 9, there is a problem that light close to infrared light emitted from the electrode portions 92a of the four ring-shaped fluorescent lamps 92 enters the light receiving portion 93, and it becomes difficult for the remote controller to operate.

An object of the present invention is to provide a lighting device which can realize stable remote control operation even in a low temperature state.

[0008]

According to a first aspect of the present invention, there is provided a luminaire in which a light receiving portion for receiving a remote control signal by infrared light from a transmitter is arranged apart from an electrode portion of a ring-shaped fluorescent lamp. . A lighting device according to a second aspect is the lighting device according to the first aspect, wherein a plurality of light receiving portions are provided.

[0009]

According to the structure of the present invention, the light receiving portion for receiving the remote control signal by infrared light is arranged away from the electrode portion of the ring-shaped fluorescent lamp, so that the electrode portion of the ring-shaped fluorescent lamp when the lamp is lit in a low temperature state. It is possible to prevent light close to infrared light, which is emitted from a large amount of light, from entering the electrode portion of the ring-shaped fluorescent lamp. Therefore, even in a low temperature state, stable remote control operation can be performed without being affected by light close to infrared light emitted from the electrode portion.

Further, by providing a plurality of light receiving parts,
Remote control signals can be received without blind spots regardless of the operating position of the transmitter.

[0011]

Embodiments of the present invention will be described with reference to the drawings. [First Embodiment; Corresponding to Claim 1] Fig. 1 (a) is a plan view of a lighting apparatus according to a first embodiment of the present invention, and Fig. 1 (b) is a sectional view of the lighting apparatus. In FIG. 1, 11 is the main body of the instrument,
Reference numeral 12 is a ring-shaped fluorescent lamp, 12a is an electrode section of the ring-shaped fluorescent lamp 12, 13 is a light receiving section for receiving a remote control signal from a transmitter, and 14 is a milky white globe made of a translucent material.

This luminaire is a ceiling-mounted type luminaire for four lamps, in which the light receiving portion 13 is arranged in the central portion of the luminaire main body 11, and the electrode portions 12a of the four ring-shaped fluorescent lamps 12 are arranged in the luminaire main body. It is placed close to the 11 corners. That is, the light receiving portion 13 is arranged away from the electrode portion 12a of the ring-shaped fluorescent lamp 12. As described above, according to this embodiment, the light receiving unit 1 that receives the remote control signal by infrared light
By arranging 3 away from the electrode portion 12a of the ring-shaped fluorescent lamp 12, light near infrared light, which is often emitted from the electrode portion 12a of the ring-shaped fluorescent lamp 12 when lit in a low temperature state, enters the light receiving portion 13. Can be prevented. Therefore, even in a low temperature state, stable remote control operation can be performed without being affected by light close to infrared light emitted from the electrode portion 12a.

[Second Embodiment; Corresponding to Claim 1] FIG.
FIG. 2A is a sectional view of a lighting fixture according to a second embodiment of the present invention, and FIG. 2B is a bottom view of the lighting fixture. In FIG. 2, 2
Reference numeral 1 is a main body of the apparatus, 22 is a ring-shaped fluorescent lamp, 22a is an electrode part of the ring-shaped fluorescent lamp 22, 23 is a light receiving section for receiving a remote control signal from a transmitter, 24 is a milky white globe, 25 is a socket, 26 is a reflector, Reference numeral 27 is a mounting portion that is connected by using a hook ceiling.

This luminaire is a direct-to-ceiling luminaire in which the back of the luminaire main body 21 is directly attached to the ceiling. A ring-shaped fluorescent lamp 22 is attached to the front of the luminaire main body 21 to receive a remote control signal. 23 is provided on the reflecting plate 26, away from the electrode portion 22a of the ring-shaped fluorescent lamp 22. As described above, according to this embodiment, as in the first embodiment, since the light receiving portion 23 is provided away from the electrode portion 22a of the ring-shaped fluorescent lamp 22, the infrared rays emitted from the electrode portion 22a even in a low temperature state. Without being affected by light close to light
A stable remote control operation can be performed.

[Third Embodiment; Corresponding to Claim 1] FIG.
FIG. 3A is a sectional view of a lighting equipment of a third embodiment of the present invention, FIG. 3B is a bottom view of the lighting equipment, and FIG. 3C is a top view of the lighting equipment. In FIG. 3, 31 is a main body of the instrument, 32 is a ring-shaped fluorescent lamp, 32a is an electrode section of the ring-shaped fluorescent lamp 32, 33 and 36 are light receiving sections for receiving remote control signals from a transmitter, 34 is a shade, and 35 is a socket. .

This luminaire is a hanging type luminaire, and a ring-shaped fluorescent lamp 32 is attached to the front surface of the instrument body 31, a light receiving portion 36 is attached to the center of the ring-shaped fluorescent lamp 32, and further the instrument body 31. The light receiving portion 33 is also attached to the back surface of the. The light receiving portion 33 is arranged away from the electrode portion 32a of the ring-shaped fluorescent lamp 32.

As described above, according to this embodiment, in addition to the light receiving portion 36 provided in the central portion of the ring-shaped fluorescent lamp 32, the electrode portion 3 of the ring-shaped fluorescent lamp 32 is used as in the first and second embodiments.
By providing the light receiving unit 33 away from 2a, it is possible to perform a stable remote control operation without being affected by light close to infrared light emitted from the electrode unit 32a even in a low temperature state. Further, since the light receiving portions 36 and 33 are provided at two positions on the front surface and the back surface of the instrument body 31, the remote control signal can be received without blind spots regardless of the operation position of the transmitter.

[Fourth Embodiment: Corresponding to Claim 2] FIG.
FIG. 4A is a plan view of a lighting fixture according to a fourth embodiment of the present invention, and FIG. 4B is a sectional view of the lighting fixture. In FIG. 4, 4
Reference numeral 1 is an instrument body, 42 is a ring-shaped fluorescent lamp, 42a is an electrode part of the ring-shaped fluorescent lamp 42, 43 and 44 are light receiving parts for receiving a remote control signal from a transmitter, and 45 is a milky white globe made of a translucent material. .

This luminaire includes four ring-shaped fluorescent lamps 4
2 is a ceiling-mounted type lighting fixture, in which light receiving portions 43, 44 are provided in the vicinity of the center of one side portion of the body 41 of the fixture and the other side portion facing the main body 41, and two light receiving portions 43, 4 are provided.
Four ring-shaped fluorescent lamps 42 are attached so that the respective electrode portions 42a are separated from each other. As described above, according to this embodiment, like the first to third embodiments, the ring fluorescent lamp 4 is used.
Since the light receiving portions 43 and 44 are provided away from the second electrode portion 42a, stable remote control operation can be performed without being affected by light close to infrared light emitted from the electrode portion 42a even in a low temperature state. it can. Further, since the two light receiving portions 43 and 44 are provided at different positions, the remote control signal can be received without a blind spot regardless of the operation position of the transmitter.

[Fifth Embodiment: Corresponding to Claim 2] FIG. 5 is a plan view of a lighting fixture according to a fifth embodiment of the present invention. In FIG. 5, 51 is a main body of the instrument, 52 is a ring-shaped fluorescent lamp,
Reference numeral 52a is an electrode portion of the ring-shaped fluorescent lamp 52, and 53 and 54 are light receiving portions for receiving remote control signals from the transmitter. This lighting fixture is a ceiling-mounted type lighting fixture to which four ring-shaped fluorescent lamps 52 are attached, and two light receiving portions 53 and 54 are provided at diagonal corners of the fixture main body 51, and an electrode portion 52 is provided.
Four ring-shaped fluorescent lamps 52 are attached with a facing toward the center of the instrument body 51.

As described above, according to this embodiment, the two light receiving portions 53 and 54 are provided at different positions apart from the electrode portion 52a of the ring-shaped fluorescent lamp 52, and the same effect as the fourth embodiment is obtained. There is. [Sixth Embodiment; Corresponding to Claim 2] FIG. 6 is a sectional view of a lighting fixture according to a sixth embodiment of the present invention. In FIG.
Reference numeral 61 is an instrument body, 62 is a ring-shaped fluorescent lamp, 62a is an electrode portion of the ring-shaped fluorescent lamp 62, 63 and 64 are light receiving portions for receiving remote control signals from a transmitter, 65 is a globe, and 66 is a flange.

This luminaire comprises four ring-shaped fluorescent lamps 6
2 is a hanging type lighting fixture, and the arrangement of the four ring-shaped fluorescent lamps 62 and the light-receiving part 63 is the same as that shown in FIG. 1, and the light-receiving part 63 is provided in the center of the fixture body 61, The fluorescent lamp 62 is attached so that the electrode portion 62a is separated from the light receiving portion 63. Further, the light receiving portion 64 is provided inside the flange 66.

As described above, according to this embodiment, the two light receiving portions 63 and 64 are provided at different positions apart from the electrode portion 62a of the ring-shaped fluorescent lamp 62, which is different from the fourth and fifth embodiments. It has the same effect. Incidentally, the above fourth to sixth
It is needless to say that the number of light receiving portions is not limited to two in the above embodiment, and three or more light receiving portions may be provided.

[0024]

According to the luminaire of the present invention, the light receiving portion for receiving the remote control signal by infrared light is arranged away from the electrode portion of the ring-shaped fluorescent lamp, so that the electrode of the ring-shaped fluorescent lamp when the lamp is lit in a low temperature state. It is possible to prevent light close to infrared light, which is mostly emitted from the lamp section, from entering the electrode section of the ring-shaped fluorescent lamp. Therefore, even in a low temperature state, stable remote control operation can be performed without being affected by light close to infrared light emitted from the electrode portion.

By providing a plurality of light receiving parts,
Remote control signals can be received without blind spots regardless of the operating position of the transmitter.

[Brief description of drawings]

FIG. 1A is a plan view of a lighting apparatus according to a first embodiment of the present invention, and FIG. 1B is a sectional view of the lighting apparatus.

FIG. 2A is a cross-sectional view of a lighting fixture according to a second embodiment of the present invention, and FIG. 2B is a bottom view of the lighting fixture.

3A is a cross-sectional view of a lighting apparatus according to a third embodiment of the present invention, FIG. 3B is a bottom view of the lighting apparatus, and FIG. 3C is a top view of the lighting apparatus.

FIG. 4A is a plan view of a lighting fixture according to a fourth embodiment of the present invention, and FIG. 4B is a sectional view of the lighting fixture.

FIG. 5 is a plan view of a lighting fixture according to a fifth embodiment of the present invention.

FIG. 6 is a sectional view of a lighting fixture of a sixth embodiment of the present invention.

FIG. 7 is a partial cross-sectional view of a first conventional lighting fixture.

FIG. 8 is a partial cross-sectional view of a second conventional lighting fixture.

FIG. 9A is a plan view of a third conventional lighting fixture, and FIG. 9B is a sectional view of the same lighting fixture.

[Explanation of symbols]

12, 22, 32, 42, 52, 62 Ring-shaped fluorescent lamps 12a, 22a, 32a, 42a, 52a, 62a
Electrode parts 13, 23, 33, 43, 44, 53, 54, 63, 6
4 Light receiving part

Continuation of front page (51) Int.Cl. ⁵ Identification code Office reference number FI technical display location H04Q 9/00 311 U 7170-5K

Claims (2)

[Claims] 1. A lighting fixture comprising a ring-shaped fluorescent lamp and a light-receiving unit for receiving a remote control signal by infrared light from a transmitter, wherein the light-receiving unit is arranged away from an electrode unit of the ring-shaped fluorescent lamp. Lighting equipment characterized by having done. 2. The luminaire according to claim 1, wherein a plurality of light receiving parts are provided.