JP2004185875A - Lighting fixture - Google Patents

Abstract

<P>PROBLEM TO BE SOLVED: To provide a recessed lighting fixture functioning as an emergency light at emergency, easy to design, with heightened versatility. <P>SOLUTION: According to this implementation method, a fluorescent lamp 1 uses a lighting device 2 for general use, and apart from the above, combines an emergency lighting unit 7 using an LED 5 as an emergency light source, by which, the lighting fixture 10 is obtained which can be used as an emergency light at emergency, with designing easy and its versatility made very high. <P>COPYRIGHT: (C)2004,JPO&NCIPI

Description

[0001]
TECHNICAL FIELD OF THE INVENTION
The present invention relates to a lighting fixture provided with a main light source and an emergency light source.
[0002]
[Prior art]
2. Description of the Related Art Conventionally, embedded lighting fixtures in which a fixture main body including a main light source is inserted and attached to a mounting hole formed in a ceiling surface have been widely used. Further, in recent years, among such luminaires, those that ensure illumination in an emergency by turning on a main light source even in an emergency have been put into practical use (for example, see Patent Document 1).
[0003]
As described above, the lighting apparatus described in Patent Literature 1 includes a main body light source included in a main body embedded in a ceiling, and the main body includes a lighting device, an emergency lighting device, and a storage battery. The lighting device, the emergency lighting device, and the arrangement structure of the storage battery are characterized in that the height of the embedded device body can be reduced.
[0004]
[Patent Document 1]
JP-A-2002-190201 (pages (0024) to (0025), FIG. 1)
[0005]
[Problems to be solved by the invention]
However, the invention described in Patent Document 1 requires a lighting device that controls the lighting of the main light source by power supply from a commercial power supply at all times, and an emergency lighting device that controls the lighting of the main light source by a storage battery in an emergency. A dedicated lighting device and an emergency lighting device have to be provided for each type of main light source, and the design is complicated.
[0006]
In addition, the lighting time of the light source at the time of emergency lighting is stipulated by the Building Standards Law, but the number of storage batteries that may be required varies depending on the type of main light source, so the space for installing storage batteries in the appliance body However, there is also a problem that the design may be more complicated depending on the type of the main light source, and it is difficult to provide versatility.
[0007]
The present invention has been made in view of the above, and provides a lighting device that can be easily designed even with an embedded lighting device that functions as an emergency light even in an emergency, and that can increase versatility. The purpose is to:
[0008]
[Means for Solving the Problems]
The lighting apparatus according to claim 1, further comprising: a main light source; a lighting device for supplying power to the main light source; and a first light-transmitting aperture through which the main light source is provided and light from the main light source is irradiated. A second light-transmitting opening provided at substantially the same position as the opening surface of the first light-transmitting opening and having an opening surface smaller than the opening surface of the first light-transmitting opening; An LED as an emergency light source provided in the opening; light distribution control means for controlling light distribution of light emitted from the LED; a storage battery, which always charges the storage battery, and supplies power from the storage battery in an emergency. An emergency lighting unit for lighting an emergency light source; and a lighting fixture body provided with a main light source, a reflector, a second light-transmitting opening, and an LED, and embedded and mounted on a ceiling.
[0009]
In this claim and the following claims, the definitions and technical meanings of terms are as described below unless otherwise specified.
[0010]
The second light-transmitting aperture does not necessarily have to be provided at the same position as the opening surface of the first light-transmitting aperture, and the light from the main light source irradiated from the first light-transmitting aperture and the second light-transmitting aperture can be used. What is necessary is just to be provided so that the irradiation light of the LED to be irradiated can be irradiated from the ceiling surface side toward the floor surface side.
[0011]
The light distribution control means may be provided directly on the LED, or may be provided separately from the LED, so that the irradiation light emitted from the LED has a desired light distribution. What is necessary is just what is comprised.
[0012]
According to the present invention, first, the lighting of the main light source is normally controlled by a power supply from a commercial power supply via a lighting device, and when the main light source is turned on, light is emitted from the first light transmitting aperture of the reflector. The emergency lighting unit is controlled so as to charge the storage battery, and the LED keeps the light-off state.
[0013]
Next, in an emergency, when the power supply from the lighting device to the main light source is stopped, the main light source is turned off. The LED is turned on by being supplied with power from the storage battery of the emergency lighting unit, and irradiation light controlled to a desired light distribution by the light distribution control unit is emitted from the second light transmitting aperture.
[0014]
According to the present invention, the emergency lighting unit uses an LED whose emergency light source is an LED, and the lighting unit of the main light source can use a lighting device for a normally used main light source. The design of a lighting device that can be used as an emergency light can be greatly facilitated.
[0015]
In addition, since the emergency lighting unit can be combined with various types of main light sources, even if any type of main light source is used, a function that can easily be used as an emergency light even in an emergency is provided for lighting equipment. , The versatility can be made very high.
[0016]
In addition, since an LED is used as an emergency light source, the capacity of the battery at the time of emergency lighting can be small, and the lighting circuit of the LED is not complicated and large. It does not require a dedicated space, can be easily combined with various lighting fixtures, and can have extremely high versatility.
[0017]
BEST MODE FOR CARRYING OUT THE INVENTION
An embodiment of the present invention will be described with reference to the drawings. 1 is a perspective view showing the lighting fixture of the present embodiment, FIG. 2 is a bottom view of the lighting fixture of FIG. 1, and FIG. 3 is an enlarged view of a main part showing an LED and light distribution control means.
[0018]
1 is a one-piece fluorescent lamp as a main light source, 2 is a lighting device, 3 is a reflector, 4 is a second light-transmitting opening, 5 is an LED, 6 is a light distribution control means, 7 is an emergency lighting unit, 8 Is a fixture body, and 10 is a lighting fixture.
[0019]
The fluorescent lamp 1 includes an arc tube 11 bent in a substantially U shape, and a cap portion having a cap pin protruding from one end of the arc tube 11 on the opposite side to the arc tube 11 side. 12 are formed.
[0020]
The lighting device 2 includes a ballast having a built-in high frequency generating circuit, and is provided with an electronic starter and the like if necessary. In the lighting device 2, the wiring 21 is connected to the terminal 9.
[0021]
The reflector 3 has a bowl shape that includes the fluorescent lamp 1 and has a first light-transmitting opening 31 formed at least below, and is provided such that a surface facing the fluorescent lamp 1 is a reflection surface 32. Things.
[0022]
The LED 5 has a light emitting element 52 mounted on a substrate 51 and is electrically connected to an emergency lighting unit 7 described later via a wiring 53. The structure of the LED 5 can be any configuration as long as desired light is emitted, and is not particularly limited.
[0023]
The light distribution control means 6 is formed of a lens including the light emitting element 51 of the LED 5, and refracts and transmits the light emitted from the light emitting element 51 as shown by an arrow in FIG. The light emitted from the light transmitting aperture 4 is configured to be condensed as low as possible. Note that the light distribution control means 6 is not necessarily provided separately as long as a desired light distribution can be obtained by the optical design of the LED 5. In such a case, the LED 5 controls the light distribution control means 6. Is also included.
[0024]
The emergency lighting unit 7 has a storage battery (not shown). The emergency lighting unit 7 always charges the storage battery and stores an emergency lighting circuit (not shown) for lighting the LED 5 by power supply from the storage battery in an emergency. Is what is being done. The emergency lighting circuit is electrically connected to the terminal unit 9 and is configured to directly supply DC power from the storage battery to the LED 5. The check switch 71 is for checking the life / abnormality of the storage battery, is electrically connected to the storage battery in the emergency lighting unit 7, and draws out the drawstring 72 from a frame 82 described later. Have been.
[0025]
The appliance body 8 has a columnar shape and includes a main body portion 81 embedded inside the ceiling and a frame portion 82 exposed to the outer surface side of the ceiling, and the frame portion 82 is provided with the second light-transmitting opening 4. . The second light-transmitting opening 4 is formed in substantially the same plane as the opening surface 32 of the first light-transmitting opening 31, and is provided so as not to impair the appearance. The above-mentioned LED 5 and light distribution control means 6 are provided inside.
[0026]
The terminal section 9 is provided so that power from the commercial power supply is supplied from the commercial power supply via the wiring 91 and the base of the fluorescent lamp 1, the lighting device 2, and the emergency lighting unit 7 are connected to each other. Things.
[0027]
According to the present embodiment, first, the lighting device 2 and the main body portion 81 of the fixture main body 8 are embedded in the ceiling, and the mounting spring 83 is fixed to the ceiling by engaging with the ceiling surface inside the ceiling.
[0028]
Then, the lighting of the fluorescent lamp 1 is controlled by the lighting device 2 by power supply from the commercial power supply via the terminal unit 9 at all times. Then, when the fluorescent lamp 1 is turned on, the light is radiated downward from the first light transmitting opening 31 of the reflector 3. Further, the emergency lighting unit 7 is provided so as to charge the storage battery from the commercial power supply via the terminal unit 9, and controls the LED 5 to keep the light-off state.
[0029]
Next, in an emergency such as when the commercial power supply is cut off due to a fire or an earthquake, the power supply from the commercial power supply is stopped, so that the power supply from the lighting device 2 to the fluorescent lamp 1 is stopped. Lamp 1 goes out. However, the LED 5 is turned on because power is supplied from the storage battery of the emergency lighting unit 7. Then, the light from the LED 5 whose light distribution is controlled by the light distribution control means 6 so as to be irradiated as downward as possible is emitted from the second light transmitting aperture 4.
[0030]
According to the present embodiment, the fluorescent lamp 1 is combined with the emergency lighting unit 7 in which the emergency light source is the LED 5 even if the lighting device 2 is used in normal use (use state in which no emergency is considered). Only with this, the lighting fixture 10 that can be used as an emergency light even in an emergency can be obtained, and the design thereof can be made very easy.
[0031]
Further, the emergency lighting unit 7 is not limited to the fluorescent lamp 1 and can be combined with various types of main light sources. Since a function usable as a lamp can be added, versatility can be made extremely high.
[0032]
Further, since the LED 5 is used as the emergency light source, the capacity of the battery at the time of emergency lighting can be small, and the emergency lighting circuit does not need to be complicated and large. Since the lighting unit 7 does not require a large space in the fixture body 8 when assembled, it can be easily combined with various lighting fixtures, and the versatility can be extremely high. Note that the emergency lighting unit 7 may not be provided in the appliance main body 8 and may be provided separately from the appliance main body 8 and inside the ceiling. Since the unit 7 can be downsized, it can be easily applied no matter how the empty space inside the ceiling is set.
[0033]
Further, since the LED 5 and the light distribution control means 6 can be provided in the second light-transmitting opening 4 which is a space in which a part of the frame portion 82 is cut out, the appearance of the lighting apparatus 10 is not spoiled. In addition, the design can be improved even in a configuration in which another light source other than the fluorescent lamp 1 is provided as an emergency light source. In addition, since the light distribution control of the LED 5 at the time of emergency lighting is also performed, the configuration is such that the design can be enhanced and the LED 5 can function properly as an emergency light.
[0034]
【The invention's effect】
The lighting apparatus according to claim 1, wherein: a main light source; a lighting device for supplying power to the main light source; and a first light-transmitting opening in which the main light source is disposed and light from the main light source is irradiated. A reflector; a second light-transmitting opening provided at substantially the same position as the opening surface of the first light-transmitting opening and having an opening surface smaller than the opening surface of the first light-transmitting opening; An LED as an emergency light source provided therein; light distribution control means for controlling light distribution of light emitted from the LED; a storage battery, which always charges the storage battery, and supplies power from the storage battery in an emergency in an emergency. The emergency lighting unit is provided with: an emergency lighting unit for lighting a light source; and a lighting fixture body provided with a main light source, a reflector, a second light-transmitting opening, and an LED, and embedded and mounted on a ceiling. If the emergency light source is an LED Since Iteiru, the lighting unit of the main light source is usually able to use a lighting device for a main light source for use, the design of lighting fixtures that can be used as an emergency light to emergency can be much easier.
[0035]
In addition, since the emergency lighting unit can be combined with various types of main light sources, even if any type of main light source is used, a function that can easily be used as an emergency light even in an emergency is provided for lighting equipment. , And the versatility can be made very high.
[0036]
In addition, since the LED is used as the emergency light source, the capacity of the battery at the time of emergency lighting can be small, and the lighting circuit of the LED is not complicated and large. A large dedicated space is not required, and it can be easily combined with various lighting fixtures, so that versatility can be made extremely high.
[Brief description of the drawings]
FIG. 1 is a perspective view showing a lighting fixture of the embodiment. FIG. 2 is a bottom view of the lighting fixture of FIG. 1. FIG. 3 is an enlarged view of a main part showing the LED and light distribution control means of FIG.
[Explanation of symbols]
DESCRIPTION OF SYMBOLS 1 ... Fluorescent lamp, 2 ... Lighting device, 3 ... Reflector, 4 ... Second translucent aperture, 5 ... LED, 6 ... Light distribution control means, 7 ... Emergency lighting unit, 8: instrument body, 10: lighting equipment

Claims (1)

Main light source;
A lighting device for supplying power to the main light source;
A reflector having a first light-transmitting aperture, in which the main light source is disposed inside and light from the main light source is irradiated;
A second light-transmitting opening that is provided at substantially the same position as the opening surface of the first light-transmitting opening and that is an opening surface smaller than the opening surface of the first light-transmitting opening;
An LED as an emergency light source provided in the second light-transmitting aperture;
Light distribution control means for controlling light distribution of light emitted from the LED;
A storage battery, an emergency lighting unit that charges the storage battery at all times, and turns on an LED by power supply from the storage battery in an emergency;
A lighting fixture body provided with a main light source, a reflector, a second light-transmitting aperture, and an LED, and embedded and mounted on a ceiling;
A lighting fixture comprising:

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