JPS6230245Y2 - - Google Patents

Description

[Detailed explanation of the idea] 〔Technical field〕 This invention relates to guide lights.

[Background technology]

As shown in FIGS. 1 and 2, a conventional guide light has an opening 1 in a rectangular frame 1 having a groove-shaped cross section.
A translucent display panel 1a is attached to c, and the translucent display panel 1a is illuminated with direct light from a straight tube fluorescent lamp 2 placed in the center of the rectangular frame 1. The floor is illuminated by irradiating light in the direction of arrow A through a translucent panel 1b attached to the provided floor illumination opening 1d, and a single hanging fixture 4 attached to the center of the upper surface illuminates the floor. It is suspended from the ceiling surface 3. In this case, a storage battery 5, a discharge lamp ballast 6, an emergency block 7, etc. are arranged on one side of the rectangular frame 1. Note that 8 and 9 are lamp sockets.

However, such conventional guide lights have a rectangular frame body 1.
A straight tube fluorescent lamp 2 is placed in the center of the interior, and the light is emitted from the floor illumination opening 1d in the web of the lower frame of the rectangular frame 1 to illuminate the floor. When it was installed on the floor, the illuminance of the floor surface was outside the legal regulations and it could not be used. In addition, since the storage battery 5, discharge lamp ballast 6, and emergency block 7 are arranged tightly on one side of the rectangular frame 1, the weight becomes unbalanced and only one hanging tool 4 is placed. There was a problem with the support of these devices, which caused them to tilt, and because they were placed close together, the temperature rose significantly.
Furthermore, when the guide light is looked up from the front position of the translucent display panel 1a, the translucent display panel 1a
I had a problem where the lights looked bright.

[Purpose of invention]

The purpose of this invention was to increase the illuminance on the floor, sufficiently balance the weight of equipment, suppress temperature rise, and reduce glare when viewing the translucent display panel. To provide a guide light that makes it easy to understand.

[Disclosure of invention]

The guide light of this invention consists of a rectangular frame body with an opening for floor illumination provided in the web of the lower frame having a groove-shaped cross section, and a light guide lamp attached to the center part of the upper frame of the rectangular frame body.
A book hanging tool, a translucent display panel attached to both openings of the rectangular frame body, and a translucent display panel located in the rectangular frame body close to the floor illumination opening and located below the rectangular frame body when looking up from a position in front of the panel. a straight tube fluorescent lamp disposed on the side of the straight tube fluorescent lamp; and a straight tube fluorescent lamp disposed above the straight tube fluorescent lamp in a position spaced apart from the straight tube fluorescent lamp in the rectangular frame body to transmit light from the straight tube fluorescent lamp through the straight tube fluorescent lamp. A reflector plate with a V-shaped cross section that reflects light toward a light display panel, and a storage battery, an emergency block, and a discharge lamp ballast that are separately arranged in the rectangular frame so that the center of gravity is located at the center of the rectangular frame. ing.

According to the configuration of this invention, the straight tube fluorescent lamp is placed in the rectangular frame close to the floor illumination opening and below the line of sight passing through the upper edge of the flange of the lower frame when the rectangular frame is looked up from the front position of the panel. Because it is placed on the side, the illuminance on the floor can be increased, and when looking up from the front of the panel, the straight fluorescent lamp is shielded by the flange of the lower frame of the rectangular frame, making it possible to see the translucent display panel. It is possible to reduce glare when looking up and make the display easier to see, and also to reduce uneven brightness of the translucent display panel, making it possible to make the guide light thinner.

In addition, because the storage battery, emergency block, and discharge lamp ballast are placed separately within the rectangular frame so that the center of gravity is located at the center of the rectangular frame, it is possible to improve the weight balance of the equipment and prevent the guiding light from tilting. It is also possible to suppress the temperature rise of the emergency block.

Furthermore, a V-shaped reflector is placed above the straight tube fluorescent lamp, away from the straight tube fluorescent lamp, and the reflected light illuminates the blackout display panel, allowing the light from the straight tube fluorescent lamp to be directed to the blackout display panel. It can be reflected effectively and the light-shielding display panel can be brightly illuminated.

〔Example〕

An embodiment of this invention will be described based on FIGS. 3 and 4. As shown in FIG. 3, this guide light includes a rectangular frame body 10 having a groove-shaped cross section over all four circumferences and a lower frame web 10c provided with an opening 10d for floor illumination, and this rectangular frame body 10. One hanger (not shown) attached to the center of the upper frame, the translucent display panels 11 attached to both openings 10e of the rectangular frame 10, and the floor surface inside the rectangular frame 10. a straight tube fluorescent lamp 12 disposed close to the illumination opening 10d and located below the line of sight passing through the upper edge of the flange 10b of the lower frame when the rectangular frame 10 is looked up from the front position of the panel; square frame body 10
A reflecting plate 13 having a V-shaped cross section and a rectangular shaped reflecting plate 13 is disposed above the straight fluorescent lamp 12 and is spaced apart from the straight fluorescent lamp 12 to reflect the light from the straight fluorescent lamp 12 toward the translucent display panel 11. Frame body 10
It is provided with a storage battery 14, an emergency block 15, and a discharge lamp ballast 16, which are arranged separately so that the center of gravity is located at the center of the rectangular frame 10.

This will be explained in more detail below. This guide light has a groove-shaped cross-section over all four circumferences, and the web 1 of the lower frame
Rectangular frame body 1 with an opening 10d for floor lighting provided at 0c
Attach the translucent display panel 11 to the opening 10e of
A straight pipe is located in the rectangular frame 10 in the vicinity of the floor illumination opening 10d and located below the line of sight passing through the upper edge of the flange 10b of the lower frame when the rectangular frame 10 is looked up from the panel front position. In addition to arranging the fluorescent lamps 12, a reflection plate 13 with a V-shaped cross section is placed above the straight tube fluorescent lamps 12 in the rectangular frame 10.
is placed apart from the straight tube fluorescent lamp 12, the light from the straight tube fluorescent lamp 12 is reflected by the reflector plate 13, the light-transmitting display panel 11 is illuminated with this reflected light, and the floor surface of the rectangular frame 10 is The floor is illuminated by irradiating light through the transparent panel 10a attached to the lighting opening 10d, and as in the conventional example, it is suspended from the ceiling by a single hanging fixture attached to the center of the top surface. Can be lowered. In this case, a storage battery 14 and an emergency block 15 are arranged on both sides of the rectangular frame 10, and a discharge lamp ballast 16 is provided on the back side of the V-shaped cross-section reflector 13 at the center of the upper part of the rectangular frame 10.
is located. In addition, 17 is a lamp socket, 18 is a battery monitor display section, and 19 is a pull ring plate for an inspection switch.

As described above, in the guide light of this embodiment, the straight fluorescent lamp 12 is disposed in the lower part of the rectangular frame body 10 in close proximity to the floor illumination opening 10d, and the light-transmitting panel 10
Since the structure is configured such that light is irradiated through a, the illuminance of the floor surface can be increased. In addition, a storage battery 14 and an emergency block 15 are arranged on both sides of the rectangular frame 10, and a discharge lamp ballast 16 whose temperature rises significantly is placed behind the V-shaped cross-section reflector 13 at the center of the upper part of the rectangular frame 10. Because of the arrangement, it is possible to maintain sufficient weight balance, and the discharge lamp ballast 16
The influence of the heat generated on the storage battery 14 and the emergency block 15 can be reduced, and the temperature rise can be suppressed to a low level. In addition, since the straight fluorescent lamp 12 was dismantled so that it was located below the line of sight passing through the upper edge of the flange 10b of the lower frame when the rectangular frame 10 was looked up from the front position of the panel, , the direct light from the straight tube fluorescent lamp 12 when looking up from the front position of the panel is reflected by the rectangular frame 10.
The direct light from the straight tube fluorescent lamp 12 does not reach the eye B as shown in FIG.
It is possible to reduce glare when viewing the screen, improve brightness contrast, and make it easier to confirm the display. Also,
It is possible to reduce the uneven brightness of the light-transmitting display panel 11, and therefore it is possible to make the rectangular frame 10 thinner. Note that region C is a region that is directly irradiated with light from the straight tube fluorescent lamp 12 and feels dazzling. Furthermore, since the straight tube fluorescent lamp 12 and the V-shaped cross-sectional reflection plate 13 are separated, the light from the entire circumference of the straight tube fluorescent lamp 12 can be effectively irradiated onto the translucent display panel 11, and the reflected light The translucent display panel 11 can be brightly illuminated without returning to the lamp 12.

[Effect of idea]

According to the guide light of this invention, when the straight tube fluorescent lamp is placed in the rectangular frame close to the floor illumination opening and the rectangular frame is looked up from the front of the panel, the line of sight passing through the upper edge of the flange of the lower frame is Because it is placed on the lower side, the illuminance on the floor can be increased, and when looking up from the front of the panel, the straight fluorescent lamp is shielded by the flange of the lower frame of the rectangular frame, and the translucent display panel It is possible to reduce glare when looking up at the display, making the display easier to see, and also to reduce uneven brightness of the translucent display panel, making it possible to make the guide light thinner.

In addition, because the storage battery, emergency block, and discharge lamp ballast are placed separately within the rectangular frame so that the center of gravity is located at the center of the rectangular frame, it is possible to improve the weight balance of the equipment and prevent the guiding light from tilting. It is also possible to suppress the temperature rise of the emergency block.

Furthermore, a V-shaped reflector is placed above the straight tube fluorescent lamp, away from the straight tube fluorescent lamp, and the reflected light illuminates the blackout display panel, allowing the light from the straight tube fluorescent lamp to be directed to the blackout display panel. It can be reflected effectively and the light-shielding display panel can be brightly illuminated.

[Brief explanation of drawings]

Fig. 1 is an external view of a conventional guide light, Fig. 2 is a sectional view thereof, and Figs. 3 A, B, and C are a partially cutaway front view, a bottom view, and a bottom view, respectively, of a guide light according to an embodiment of this invention. A partially broken side view and FIG. 4 are schematic cross-sectional views for explaining the effect. 10... Rectangular frame body, 10a... Transparent panel, 1
1... Translucent display panel, 12... Straight tube fluorescent lamp, 13... V-shaped cross section reflector, 14... Storage battery,
15...Emergency block, 16...Discharge lamp ballast.

Claims (1)

[Scope of utility model registration request] A rectangular frame body in which a floor illumination opening is provided in the web of the lower frame having a groove-shaped cross-sectional shape, a hanging tool attached to the center part of the upper frame of the rectangular frame body, and the rectangular frame body. a translucent display panel attached to each of the openings, and an upper edge of the flange of the lower frame when the rectangular frame is close to the floor illumination opening and the rectangular frame is viewed from the front of the panel. a straight tube fluorescent lamp disposed below the line of sight; and a straight tube fluorescent lamp disposed above the straight tube fluorescent lamp in the rectangular frame and separated from the straight tube fluorescent lamp. a V-shaped cross-section reflector that reflects light toward the translucent display panel; a storage battery, an emergency block, and a discharge lamp ballast that are separately arranged in the rectangular frame so that the center of gravity is located at the center of the rectangular frame; Guidance light with.