JPH0727009U - lighting equipment - Google Patents

Abstract

(57) [Abstract] [Purpose] To provide a lighting fixture capable of brightening the space between the fixture bodies or the end portion of the fixture body. [Structure] A pair of instrument main bodies 1 and 2 each having a translucent opening 4 on the back surface of the end portion on the side adjacent to each other, and a pair of instrument main bodies 1 and 2 arranged on the back surface side for transmitting light. It is provided with a reflection plate 3 that reflects the light incident through the opening 4 in the same direction as the irradiation direction of the instrument bodies 1 and 2.

Description

[Detailed description of the device]

[0001]

[Industrial applications]

 The present invention relates to a lighting fixture.

[0002]

[Prior art]

 A conventional example is shown in FIG. That is, in this lighting fixture, a large number of fixture bodies 200 and the like using straight tube fluorescent lamps 199 are vertically arranged in a straight line, and a spacer 201 is provided between them. FIG. 31 shows another conventional example in which the front side of the adjacent end of the fluorescent lamp 199 is covered with a U-shaped cover 202.

[0003]

[Problems to be solved by the device]

 The spacer 201 between the fixture bodies 200 and the cover 202 have a drawback that they are darker than the fluorescent lamp 199 only by being irradiated with the light flux of the lamp reflected from the floor or the wall surface. Further, not only when they are arranged in a straight line, but also when they are arranged in a cross shape or a mouth shape, there are similar defects in the connecting portion of the instrument body.

Further, there is a problem that the end portion of the instrument body is dark even when there is only one instrument body. Therefore, an object of the present invention is to provide a lighting device capable of brightening the space between the device main bodies or the end of the device main body.

[0005]

[Means for Solving the Problems]

 The lighting fixture according to claim 1 is provided with a pair of fixture main bodies each having a translucent opening on the back face of the end portion on the side adjacent to each other, and the rear face between the pair of fixture main bodies. An illuminating device comprising a reflector in the same direction as the irradiation direction of the main body of the light incident through the opening.

The lighting apparatus according to a second aspect of the present invention includes a straight tube lamp and a reflector plate that is disposed on the back surface side of the straight tube lamp and reflects the light of the straight tube lamp to an end portion of the straight tube lamp. lighting equipment. The luminaire according to claim 3 has a pair of vertically arranged straight tube lamps and a U-shape that covers the front side of the adjacent ends of these straight tube lamps and reflects the light at the ends of the straight tube lamps. A light-transmitting cover having reflecting surfaces at least at both ends thereof, and a reflector located between the pair of straight tube lamps for reflecting the reflected light of the reflecting surface to the cover and transmitting the light. lighting equipment.

According to a fourth aspect of the present invention, there is provided a luminaire comprising: a pair of luminaire bodies arranged in parallel; and louvers provided at the luminaire bodies and having louver pieces at adjacent end portions having a light-transmitting property. Lighting equipment provided.

[0008]

[Action]

 According to the lighting fixture of claim 1, when the pair of fixture main bodies is turned on, a part of the lamp light is emitted to the rear surface side from the translucent opening, and is reflected by the reflecting plate in the same direction as the irradiation direction of the fixture main body. reflect. For this reason, it is possible to prevent the darkness between the pair of fixture bodies, to brighten the gap between the fixture bodies, and to prevent a sudden change in the brightness value of the illumination line between the fixture bodies, making it possible to make the light distribution uniform and to improve the design. It also improves.

According to the luminaire of claim 2, since the light on the back surface side of the straight tube lamp is reflected by the reflecting plate toward the end of the straight tube lamp, the straight tube lamp is irradiated from the end of the straight tube lamp. The light in the same direction is increased and the end of the straight tube lamp can be brightened. Also, when a large number of equipments are arranged in a row, the continuity of the equipments and the design of the system are improved. According to the luminaire of claim 3, a part of the light at the end of the straight tube lamp is reflected by the reflecting surface of the translucent cover, further reflected by the reflector, and transmitted through the cover, and the front of the straight tube lamp. Irradiate. Therefore, the space between the pair of straight tube lamps can be brightened, and the design and the light distribution can be improved.

According to the lighting device of the fourth aspect, when each device body is turned on, the light distribution is controlled by the louver, and at the same time, the pair of device bodies is transmitted through the transparent louver piece at the end of the louver. Irradiate to the middle side. Therefore, the space between the main bodies of the appliances becomes brighter, and the light distribution and the design are improved.

[0011]

【Example】

 A first embodiment of this invention will be described with reference to FIG. That is, this lighting fixture has a pair of fixture bodies 1 and 2 and a reflector 3. The pair of instrument bodies 1 and 2 each have a translucent opening 4 on the back surface of the end portion on the adjacent side. The instrument main bodies 1 and 2 of the embodiment are equipped with the straight tube fluorescent lamp 6, and the lamp sockets 5 are provided at both ends of the instrument main bodies 1 and 2.

The reflector 3 is disposed on the back surface side between the pair of instrument bodies 1 and 2 and directs the light P incident through the light transmitting opening 4 in the same direction as the irradiation direction of the instrument bodies 1 and 2. reflect. In the embodiment, for example, an aluminum plate or a white painted sheet metal having a high reflectance is used. According to this embodiment, when the pair of fixture bodies 1 and 2 are turned on, a part of the lamp light is emitted to the back side from the translucent opening 4 and reflected by the reflector 3 to irradiate the fixture bodies 1 and 2. Reflects in the same direction as the direction. For this reason, it is possible to prevent the space between the pair of fixture bodies 1 and 2 from becoming dark, to make the space between the fixtures bright, and to prevent a sudden change in the brightness value of the illumination line between the fixture bodies 1 and 2 and It is possible to achieve uniformity and improve the design.

A second embodiment of the present invention will be described with reference to FIG. That is, in this lighting fixture, in the first embodiment, the pair of fixture bodies 1 and 2 are integrally formed by the integral bar 10. The integrated bar 10 has an inverted U-shaped cross section, and has vertical pieces 9 erected on both sides thereof. The vertical piece 9 is formed higher than the central portion of the integrated bar 10. The lower surface of the integrated bar 10 also serves as the reflector of the instrument main body 1, 2.

A high-reflectance reflector plate 3 made of aluminum or white coated sheet metal is installed between the upper ends of the vertical pieces 5. An opening 7 is formed in the upper part of the integrated bar 10 so as to face the reflection plate 3. Further, a transparent acrylic panel 8 is installed at a position facing the opening 7 at the lower end of the integrated bar 10. In addition, the integrated bar 10 of the embodiment can also serve as three or more device main bodies. Further, instead of the acrylic panel 8, a punching plate, a louver, or the like may be installed.

A third embodiment of the present invention is shown in FIG. That is, this lighting fixture is an example in which the pair of fixture bodies 1 and 2 are installed between the pair of T-bars 11 of the ceiling system in the first embodiment. The reflector 3 is also formed in an inverted U shape and is installed between the T-bars 11. A fourth embodiment of this invention is shown in FIGS. That is, this luminaire has a straight tube lamp 6 and a reflector 3 which is arranged on the back surface side of the straight tube lamp 6 and reflects the light of the straight tube lamp 6 to the end portion of the straight tube lamp 6.

The reflecting plate 3 of the embodiment is arranged on the back side of the straight tube lamp 6 and is arranged at the end of the straight tube lamp 6 and a first reflecting plate 12 that reflects in the axial direction of the straight tube lamp 6. The second reflection plate 13 is provided and reflects the reflected light of the first reflection plate 12 in the same direction as the irradiation direction of the straight tube lamp 6. The first reflector 12 further comprises a plurality of reflectors 14 to 16. The reflector 14 is arranged in the center of the straight tube lamp 6 close to the straight tube lamp, and the reflector 15 is arranged directly on the end side thereof. The tube lamp 6 is arranged slightly apart from the tube lamp 6, and the reflection plate 16 is arranged further apart from the reflection plate 15 on the end side of the straight tube lamp 6 and further apart from the straight tube lamp 6. Further, the reflectors 14 to 16 are inclined at about 45 degrees with respect to the axial direction of the straight tube lamp 6 so that the reflected light Q is substantially parallel to the axial direction of the straight tube lamp 6.

The second reflecting plate 13 is arranged in the equipment portion at the end of the straight tube lamp 6, and is inclined by about 45 degrees in a direction facing the reflecting plate 14 and the like with respect to the axial direction of the straight tube lamp 6. , The straight tube lamp 6 is reflected in the hanging direction which is the irradiation direction. According to this embodiment, the light on the rear surface side of the straight tube lamp 6 is reflected by the reflector 3 toward the end of the straight tube lamp 6, so that the irradiation direction of the straight tube lamp is changed from the end of the straight tube lamp 6. The light in the same direction is increased, and the end of the straight tube lamp 6 can be brightened. Also, when a large number of instruments are arranged in a row, the continuity of the instruments and the design of the system are improved.

A fifth embodiment of the present invention is shown in FIGS. 6 and 8. That is, in this luminaire, in the fourth embodiment, the first reflection plate 12 is formed by one plate, and the reflection surface thereof is provided with a large number of irregularities 17 as shown in FIG. The light is incident on the second reflecting plate 13 in parallel with the axial direction of the tube lamp 6. In this embodiment, the reflected light Q can be made parallel to the axial direction of the straight tube lamp 6 even if the inclination angle of the first reflecting plate 12 is set to 45 degrees or less to approach the straight tube lamp 6 in the axial direction. Therefore, even if the first reflecting plate 12 becomes long, it does not take a height and can be downsized. Therefore, more light on the rear surface side of the straight tube lamp 6 can be guided to the end portion of the straight tube lamp 6, and the efficiency of light can be improved.

A sixth embodiment of the present invention is shown in FIGS. 9 and 10. That is, in this lighting device, in the fourth embodiment, the reflector 3 for reflecting the light on the rear surface side of the straight tube lamp 6 to the end portion is arranged in parallel with the half mirror 17 on the rear surface side of the straight tube lamp 6. The rear surface side of the half mirror 17 is arranged directly above the straight tube lamp 6, and the transmitted light of the half mirror 17 is reflected toward the half mirror 17 so as to incline toward the end side of the straight tube lamp 6. The primary mirror 18 and the light which is arranged on the rear surface side of the half mirror 17 at the end of the straight tube lamp 6 in parallel with the half mirror 17 and reaches by the repeated reflection between the half mirror 17 and the primary mirror 18. To the half mirror 17 at the end of the straight tube lamp 6 to form a duct with the secondary mirror 19.

According to this embodiment, the efficiency of the straight tube lamp 6 by the reflector 3 can be improved. A seventh embodiment of the present invention is shown in FIGS. 11 and 12. That is, in this illuminator, in the fourth embodiment, the first reflecting plate 12 and the plurality of half mirrors 20 are inclined by 45 degrees in the axial direction of the straight tube lamp 6, respectively. They are arranged in the axial direction. The light reflected by each half mirror 20 passes through the half mirror 20 located in the reflection direction and enters a second reflector (not shown) at the end of the straight tube lamp 6.

In this embodiment, the structure of the first reflector 12 can be made simpler than that of the fourth embodiment. An eighth embodiment of this invention is shown in FIG. That is, in this lighting fixture, in the fifth embodiment, the second reflecting plate 13 is formed in a convex shape to widen the irradiation area of the straight tube lamp 6 after reflection.

In this embodiment, the light guided to the end of the straight tube lamp 6 can be applied to a wide range, for example, the equipment plate portion of the system ceiling. In the fourth to eighth embodiments, when the second reflector 13 has the same structure as that of the fifth embodiment, the angle of the second reflector 13 is set in the axial direction of the straight tube lamp 6. Since it can be made shallower, the size can be reduced, and the irradiation range can be adjusted by the angle of the second reflecting plate 13.

A ninth embodiment of the present invention is shown in FIGS. 14 to 16. That is, in this illuminator, the reflector 3 for irradiating the end portion of the straight tube lamp 6 is constituted only by the first reflector 12 while omitting the second reflector 13 of the fifth embodiment. The tilt angle of the first reflection plate 12 is adjusted so that the reflected light Q of the first reflection plate 12 directly irradiates the end portion. According to this embodiment, the structure can be simplified as compared with the fifth embodiment.

A tenth embodiment of the present invention is shown in FIGS. 17 and 18. That is, in this lighting fixture, the reflector 3 for irradiating the end portion of the straight tube lamp 6 is formed only by the first reflector 12 as in the ninth embodiment, and the first reflector 12 is concave. It was formed in. According to this embodiment, the reflection plate 3 can be converged and expanded by one reflection, so that the structure can be simplified.

An eleventh embodiment of the present invention is shown in FIG. That is, this luminaire has a pair of vertically arranged straight tube lamps 6 and a U-shape that covers the front surface side of the adjacent ends of these straight tube lamps 6. A light-transmitting cover 22 having reflecting surfaces 21 for reflecting light on both ends, and a reflector positioned between the pair of straight tube lamps 6 for reflecting the reflected light of the reflecting surface 21 to the cover 22 and transmitting the light. And 23.

The cover 22 of the embodiment is made of a material having a light-transmitting property and a light-diffusing property, such as an acrylic plate, and is attachable to and detachable from the common fixture body 24 of the pair of straight tube lamps 6 by a known mounting means. Installed on. According to this embodiment, a part of the light at the end portion of the straight tube lamp 6 is reflected by the reflecting surface of the translucent cover 22, further reflected by the reflector 23 and transmitted through the cover 22, and the straight tube lamp 6 Irradiate in front of. Therefore, the space between the pair of straight tube lamps 6 can be brightened, and the design and the light distribution can be improved.

In this respect, the conventional cover has a problem in design and light distribution because the cover looks dark only by covering the lamp socket. Even if the cover was transmissive, it appeared dark because there was almost no light emission between the straight tube lamps in the center of the cover. A twelfth embodiment of the present invention is shown in FIGS. That is, in this luminaire, in the eleventh embodiment, the reflector 23 is attached to the upper end of the U-shaped cover 22, the cover 22 has a light diffusing property, and the inner surface of the bottom part thereof is transparent and reflective. There is provided a half mirror 22a having

A thirteenth embodiment of this invention is shown in FIG. That is, in this lighting fixture, in the 12th embodiment, the cover 22 and the reflector 23 are separated, and the reflector 23 is attached in series to the fixture main body 24. A fourteenth embodiment of the present invention is shown in FIGS. 23 and 24. That is, in this illuminating device, in the twelfth embodiment, the central portion of the cover 22 is made transparent by forming the opening 25 in the central portion of the cover 22. Similarly to the case of the eleventh embodiment, if the half mirror 22a has reflecting surfaces provided at both ends of the bottom of the cover 22, the reflected light of the lamp half mirror 22a is reflected by the reflector 23. As a result, the space between the straight tube lamps 6 looks bright. A fifteenth embodiment of this invention is shown in FIG. That is, in this lighting fixture, in the fourteenth embodiment, the cover 22 and the reflector 23 are separated, the cover 22 is composed of Imai's cover portions 22b and 22c, and each is detachably attached to the fixture body 24. And the opening 25 is formed between them.

FIG. 26 shows a sixteenth embodiment of the present invention. That is, in this lighting device, the reflector 23 is formed on the surface of the lamp socket 5 in the 12th embodiment. There is an advantage that the number of parts to be assembled can be reduced as compared with the twelfth embodiment. A seventeenth embodiment of this invention is shown in FIGS. 27 and 28. That is, in this lighting fixture, a pair of fixture main bodies 1 and 2 arranged in parallel, and a louver piece 28 provided at each of these fixture main bodies 1 and 2 and adjacent to each other have a light-transmitting louver. 27 and.

In the embodiment, the louver piece 28 at the end portion is formed of a plastic milky acrylic plate or the like, and is formed of a light-transmissive and semi-transparent material. The other louver piece 28 constituting the louver 27 is a steel plate or the like. It is made of a material having no optical transparency. According to this embodiment, when the respective instrument bodies 1 and 2 are turned on, the light distribution is controlled by the louver 27, and the light S is transmitted through the light-transmitting louver piece 28 at the end of the louver 27 so that a pair of light is transmitted. Irradiate between the instrument main bodies 1 and 2. For this reason, the space between the instrument main bodies 1 and 2 becomes clear, and the light distribution and the design are improved.

Since the louver piece 28 is semi-transparent, the brightness of the louver piece 28 can be suppressed to a low level. In this respect, in the conventional example, since all the louver pieces of the louver were made of steel plate or opaque plastic, the space between the lighting fixtures was dark, which was not preferable in terms of light distribution and design. An eighteenth embodiment of this invention is shown in FIG. That is, in this lighting device, the louver piece 28 at the end is formed by a punching plate. Since the louver piece 28 is formed by the punching plate, part of light is transmitted through the punching hole 28a, so that the space between the instrument main bodies 1 and 2 can be brightened and the luminance can be suppressed to be low. Others are the same as those in the 17th embodiment.

[0032]

[Effect of device]

 According to the lighting fixture of claim 1, when the pair of fixture main bodies is turned on, a part of the lamp light is emitted to the rear surface side from the translucent opening, and is reflected by the reflecting plate in the same direction as the irradiation direction of the fixture main body. reflect. For this reason, it is possible to prevent the darkness between the pair of fixture bodies, to brighten the gap between the fixture bodies, and to prevent a sudden change in the brightness value of the illumination line between the fixture bodies, making it possible to make the light distribution uniform and to improve the design. It also has the effect of improving.

According to the luminaire of claim 2, since the light on the back side of the straight tube lamp is reflected by the reflector toward the end of the straight tube lamp, the straight tube lamp is irradiated from the end of the straight tube lamp. The light in the same direction is increased and the end of the straight tube lamp can be brightened. Also, when a large number of equipments are arranged in a row, the continuity of the equipments and the design of the system are improved.

According to the lighting device of the third aspect, a part of the light at the end of the straight tube lamp is reflected by the reflective surface of the translucent cover and further reflected by the reflector to be transmitted through the cover. Irradiate in front of the lamp. Therefore, the space between the pair of straight tube lamps can be made brighter, and the design and the light distribution can be improved. According to the luminaire of claim 4, when each of the luminaire bodies is turned on, the light distribution is controlled by the louver, and the light-transmitting louver piece at the end of the louver is transmitted so as to pass between the pair of luminaire bodies. To irradiate. Therefore, there is an effect that the space between the main bodies of the appliances becomes brighter and the light distribution and the design are improved.

[Brief description of drawings]

FIG. 1 is a partial perspective view of a first embodiment of the present invention.

FIG. 2 is a partially cutaway perspective view of a second embodiment.

FIG. 3 is a partially cutaway perspective view of a third embodiment.

FIG. 4 is a perspective view of an essential part of a fourth embodiment.

FIG. 5 is a side view thereof.

FIG. 6 is a partial perspective view of a fifth embodiment.

FIG. 7 is a side view thereof.

FIG. 8 is a partially enlarged view thereof.

FIG. 9 is a perspective view of essential parts of a sixth embodiment.

FIG. 10 is a side view thereof.

FIG. 11 is a perspective view of essential parts of a seventh embodiment.

FIG. 12 is a side view thereof.

FIG. 13 is a perspective view of essential parts of an eighth embodiment.

FIG. 14 is a perspective view of essential parts of a ninth embodiment.

FIG. 15 is a side view thereof.

FIG. 16 is a partially enlarged view thereof.

FIG. 17 is a partial perspective view of the tenth embodiment.

FIG. 18 is a side view thereof.

FIG. 19 is a cross-sectional view of an essential part of the eleventh embodiment.

FIG. 20 is a partially exploded perspective view of the twelfth embodiment.

FIG. 21 is a partial perspective view with the cover attached.

FIG. 22 is a partial exploded perspective view of the thirteenth embodiment.

FIG. 23 is a partially exploded perspective view of the fourteenth embodiment.

FIG. 24 is a perspective view of the cover in a mounted state.

FIG. 25 is a partial exploded perspective view of the fifteenth embodiment.

FIG. 26 is a schematic sectional view showing a main part of a sixteenth embodiment.

FIG. 27 is a partially exploded perspective view of the seventeenth embodiment.

FIG. 28 is a side view thereof.

FIG. 29 is a partial perspective view of the louver of the eighteenth embodiment.

FIG. 30 is a sectional view of a conventional example.

FIG. 31 is a partial perspective view of another conventional example.

[Explanation of symbols]

 1, 2 Instrument body 3 Reflector 4 Translucent opening

Claims (4)

[Scope of utility model registration request] 1. A pair of instrument main bodies each having a translucent opening on the back surface of the end portion on the side adjacent to each other, and a pair of instrument main bodies disposed on the back surface side between the pair of instrument main bodies and incident through the translucent opening A luminaire comprising: a reflector that reflects light in the same direction as the irradiation direction of the luminaire body. 2. A luminaire comprising a straight tube lamp and a reflector disposed on the back surface side of the straight tube lamp and reflecting the light of the straight tube lamp to an end portion of the straight tube lamp. 3. A pair of vertically arranged straight tube lamps, and a U-shaped reflecting surface that covers the front side of the adjacent ends of these straight tube lamps and that reflects the light at the ends of the straight tube lamps. A luminaire comprising a translucent cover having at least both ends, and a reflector positioned between the pair of straight tube lamps for reflecting the light reflected by the reflecting surface to the cover and transmitting the light. 4. A luminaire comprising a pair of fixture bodies arranged in parallel, and louvers provided at the fixture bodies and having louver pieces at adjacent end portions having a light-transmitting property.