JPH08235916A - Lighting system - Google Patents

Abstract

PURPOSE: To provide a lighting system using a compact fluorescent lamp of a six tube type single head base capable of obtaining the optical output sufficient in the light distribution. CONSTITUTION: Bulbs a3, f3 are arranged by being separated from a reflecting plate 5 only by the same distance X1, bulbs b3, e3 are arranged remotely by the same distance X2, bulbs c3, d3 are arranged remotely by the same distance X3, and a six pipe-like fluorescent lamp La4 is attached to an equipment. Therefore, a lighting system using a compact fluorescent lamp of the six tube type single head base capable of obtaining the optical output sufficient in the light distribution can be provided.

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a lighting device, and more particularly to a lighting device using a fluorescent lamp.

[0002]

2. Description of the Related Art As a conventional fluorescent lamp according to the present invention, as shown in FIG. 7, two straight tubular bulbs a1 and b1 each having a filament arranged in one end in the same direction are arranged in parallel. At the same time, connect the other end of the valves a1 and b1 to the bridge 2
, A discharge path between filaments is formed through a bridge 2, a base 3 is attached to one end side of the valves a1 and b1, and a fluorescent lamp is provided by a lighting circuit having only one ballast having an inverter device, for example. A so-called single-ended compact fluorescent lamp (hereinafter referred to as a fluorescent lamp) capable of lighting a lamp.
7 is a two-tube fluorescent lamp La1, FIG. 8 is a D-type four-tube fluorescent lamp La2 in which four straight-tube bulbs are arranged close to each other, and four in FIG. W type four parallel tube fluorescent lamp L in which two straight tube bulbs are arranged in parallel with each other
a3 is shown.

[0003]

However, in the conventional example shown in FIGS. 7 and 9, the straight tubular valves a1, b1 and a2 to d2 are arranged so that their longitudinal directions are substantially horizontal. When lit, the bulbs a1, b1 and a2 to a2 are longer than the vertical direction with respect to the longitudinal direction of the bulbs a1, b1 and a2 to d2.
A larger light output can be obtained in the horizontal direction with respect to the longitudinal direction of d2, but as shown in FIG. 10, in the vicinity of the filament, that is, in the bulbs a1 and b1 as shown in FIG.
When blackening occurs at the ends of (and the bulbs a2 and d2), there arises a problem that the luminous flux is lowered and the appearance is deteriorated.

Further, in the conventional example shown in FIG. 8, when the straight tubular bulbs a2 to d2 are arranged and lit so that their longitudinal directions are substantially horizontal, the bulbs a2 to d2 are distributed in light. The same light output is obtained in both the vertical and horizontal directions with respect to the longitudinal direction of the. However, since a part of the light emitted from the bulbs c2 and d2 located vertically above the bulbs a2 to d2 is blocked by the bulbs a2 and b2 located below the bulbs c2 and d2. The amount of light flux is smaller than that in the conventional example shown in FIG. 9, and as shown in FIG. 11, when the blackening occurs in the vicinity of the filament, that is, at the ends of the bulbs a2 and d2, the light flux is proportional to the use time. However, there is a problem in that the aesthetics when viewed from a direction oblique to the vertical direction deteriorates.

The present invention has been made in view of the above problems, and its main object is to use a compact fluorescent lamp with a six-tube single-ended base that can obtain a sufficient light output in light distribution. It is an object of the present invention to provide an illuminating device, and a further object thereof is to provide an illuminating device using a compact fluorescent lamp with a six-tube single-ended base that has a good appearance against blackening.

[0006]

In order to solve the above problems, according to the invention of claim 1, six straight tubular valves are supported upright, and the valves are equidistant from each other. And the valves are arranged side by side so that each of them is a substantially circular arc, and between the valves adjacent to each other,
A fluorescent lamp including a fluorescent lamp that alternately connects one end side and the other end side in the longitudinal direction of the bulb in a zigzag manner and forms one discharge path, and a reflecting plate that reflects the optical output of the fluorescent lamp. And a fixture for attaching the fluorescent lamp to the fixture such that at least two of the bulbs are arranged equidistant from each other with respect to the reflector.

According to the second aspect of the invention, at least two of the valves are two valves adjacent to each other.

According to the third aspect of the invention, at least two of the valves are two valves adjacent to each other with one valve interposed therebetween.

According to the fourth aspect of the invention, at least two of the valves are filament-containing valves, and the filament-containing valve is the most vertical in the vertical direction than the other four valves. It is characterized in that the fluorescent lamp is attached to the device so that it faces upward.

According to the invention described in claim 5, the arrangement of the bulb with respect to the reflector according to claim 2 and the arrangement of the bulb with respect to the reflector according to claim 3 are switched so that the longitudinal direction of the bulb is an axis. It is characterized in that the fluorescent lamp is configured to be rotatable.

According to the sixth aspect of the invention, the reflector is provided with a slit portion for irradiating the light output of at least one of the bulbs above the reflector in the vertical direction. It is characterized by

[0012]

According to the first aspect of the present invention, the six-tube fluorescent lamp La4 is attached to the instrument so that at least two bulbs are arranged at the same distance from the reflection plate 5.

According to the second aspect of the invention, the valves a3 and f3 are arranged at the same distance X1 from the reflection plate 5, the valves b3 and e3 are arranged at the same distance X2, and the valve c3. The six-tube fluorescent lamp La4 is attached to the device so that d3 is arranged at the same distance X3.

According to the third aspect of the invention, the valves a3 and e3 are arranged at the same distance X4 from the reflection plate 5, the valves b3 and d3 are arranged at the same distance X2, and the valve f3 is arranged. The valve c3 is arranged at the highest position in the vertical direction, and the valve c3 is arranged at the lowest position in the vertical direction.
Attach the 6-tube fluorescent lamp La4 to the instrument.

According to the invention described in claim 4, the bulbs a3, f3 having filaments are arranged at the highest position in the vertical direction, and the bulbs a3, f3 are arranged at the same distance X1 from the reflection plate 5. By doing so, the six-tube fluorescent lamp La4 is attached to the fixture so that the coldest point 8 of the six-tube fluorescent lamp La4 is arranged at the bridge 2 and the lowest with respect to the vertical direction.

According to the fifth aspect of the invention, the arrangement of the six-tube fluorescent lamp La4 with respect to the reflector 5 shown in FIG. 3 and the six-tube fluorescent lamp La4 with respect to the reflector 5 shown in FIG. The arrangement is switched by rotating the six-tube fluorescent lamp La4 by 30 degrees.

According to the sixth aspect of the present invention, the reflecting plate 5 is provided with a plurality of slits 6, and the slits 6 are used to form the slits 6.
The output light of the main fluorescent lamp La4 is also radiated upward in the vertical direction.

[0018]

【Example】

 (Embodiment 1) A first embodiment according to the present invention is shown in FIG.

In the present invention, as shown in FIG. 2, six straight tubular valves a3 to f3 are erected and supported so that the valves a to each other are abutted.
3 to f3 are equidistantly arranged side by side so as to form a substantially circular arc, and the valves a3 to f3 are connected in a staggered manner by the bridge 2, and filaments are connected to the valves b3 and c3. A discharge path between the filaments is formed via the bridge 2, the base 3 is attached to one end of the valves a3 to f3, and a fluorescent lamp is provided by a lighting circuit having only one ballast having an inverter device, for example. A six-tube fluorescent lamp La4 that can be turned on is used.

Here, a six-tube fluorescent lamp L as shown in FIG.
Since a4 may be attached to the instrument by any means, it is omitted, and a brief description will be given below with a schematic cross-sectional view showing a state in which the six-tube fluorescent lamp La4 as shown in FIG. 2 is attached to the instrument. . In addition, in this embodiment, a six-tube fluorescent lamp La is used as an instrument which has a hemispherical instrument reflector 5 and which is directly attached to the ceiling.
FIG. 1 shows a schematic cross-sectional view of a state in which 4 is attached so that its longitudinal direction is horizontal, and will be briefly described below.

The valves a3 and f3 are arranged at the same distance X1 from the reflection plate 5, the valves b3 and e3 are arranged at the same distance X2, and the valves c3 and d3 are arranged at the same distance X1.
A six-tube fluorescent lamp La4 is attached to the instrument so that it is placed 3 apart.

With this configuration, the area immediately below the instrument can be sufficiently illuminated by the valves c3, d3, and the area immediately below the instrument can be sufficiently illuminated by the valves c3, b3, d3, e3. Suitable for applications such as lights that require sufficient illuminance directly below.

As shown in FIG. 3, the valves a3 and e3 are arranged at the same distance X4 from the reflection plate 5, the valves b3 and d3 are arranged at the same distance X2, and the valve f3 is arranged in the vertical direction. If the valve c3 is arranged at the highest position with respect to the vertical direction, and the valve c3 is arranged at the lowest position with respect to the vertical direction, the portion immediately below the instrument is illuminated by the valve c3, and the periphery immediately below the instrument is the valve b
Since the light is emitted at 3, c3 and d3, the light output amount is inferior to the arrangement of the six-tube fluorescent lamp La4 shown in FIG.

(Second Embodiment) FIG. 4 shows a second embodiment according to the present invention.

The difference from the first embodiment shown in FIG. 3 is that the bulbs b3 and c3 having filaments are arranged at the highest position in the vertical direction, and the bulbs b3 and b3 with respect to the reflector 5 are arranged.
By arranging c3 apart by the same distance X1, the coldest point 8 of the six-tube fluorescent lamp La4 is arranged in the bridge 2 and the lowest in the vertical direction. Other first embodiment The same components as those in FIG.

Here, in the compact fluorescent lamp in which the light-emitting bulbs are close to each other as described above, the surface temperature of the lamp becomes high, and therefore it is necessary to provide the coldest spot where the mercury vapor pressure becomes appropriate. When the bridge 2 of the six-tube fluorescent lamp La4 as described above is turned on downward, the bridge 2 is most likely to be at a low temperature due to natural convection, so this portion is set as the coldest point 8 that determines the mercury vapor pressure. can do.

Further, a valve b3 having a filament
Since c3 is arranged highest in the vertical direction, it is possible to improve the appearance of blackening.

(Embodiment 3) A third embodiment according to the present invention is shown in FIG.

In this embodiment, the arrangement of the six-tube fluorescent lamp La4 with respect to the reflector 5 shown in FIG. 1 and the arrangement of the six-tube fluorescent lamp La4 with respect to the reflector 5 shown in FIG. This is because the main fluorescent lamp La4 is switched by rotating it by 30 degrees, and by adopting such a configuration, the light distribution directly below the device, the light distribution around the periphery directly below the device, and the upper part of the device can be achieved. The characteristics such as light distribution can be easily changed.

(Embodiment 4) A fourth embodiment according to the present invention is shown in FIG.

The difference from the first embodiment shown in FIG.
The main fluorescent lamp La4 is arranged as shown in FIG. 3, a plurality of slit portions 6 are provided in the reflection plate 5, and the output light of the bulbs a3, e3, f3 is directed to the vertical direction through the slit portions 6. Therefore, the same configurations as those of the other first embodiment are designated by the same reference numerals and the description thereof will be omitted.

In the schematic cross-sectional view shown in FIG. 6, a stand portion 7 is provided which is connected to one end of the reflection plate 5 and supports the device.

With this configuration, the portion directly below the instrument is sufficiently illuminated as direct light by the valve c3, and the area immediately below the instrument is sufficiently illuminated as direct light by the valves b3, c3, d3, and the upper portion of the instrument is illuminated. Can be irradiated as indirect light by the bulbs a3, e3, f3, and is suitable for applications such as a stand where indirect light is required.

This embodiment may be applied to all the above embodiments.

[0035]

According to the first aspect of the present invention, it is possible to provide an illuminating device using a compact fluorescent lamp having a six-tube single-sided cap and capable of obtaining a sufficient light output in light distribution.

According to the second aspect of the invention, two bulbs are used to irradiate the area immediately below the instrument sufficiently, and the area immediately below the instrument is covered by 4 bulbs.
Since it is possible to sufficiently irradiate with the bulb of the book, it is possible to provide an illuminating device using a compact fluorescent lamp with a six-tube single-ended base that can obtain a sufficient light output in light distribution.

According to the third aspect of the present invention, a single bulb sufficiently irradiates the area immediately below the instrument, and the area immediately below the instrument is 3
Since it is possible to sufficiently irradiate with the bulb of the book, it is possible to provide an illuminating device using a compact fluorescent lamp with a six-tube single-ended base that can obtain a sufficient light output in light distribution.

According to the invention described in claim 4, when the bridge of the fluorescent lamp is turned on downward, the bridge can be set as the coldest spot for determining the mercury vapor pressure, and the light distribution is sufficient. It is possible to provide an illuminating device using a compact fluorescent lamp having a six-tube single-ended base, while providing an output and having a good appearance against blackening.

According to the fifth aspect of the present invention, it is possible to easily change the characteristics such as the light distribution directly below the device, the light distribution around the device directly below the device, and the light distribution above the device. It is possible to provide an illuminating device using a compact fluorescent lamp with a six-tube single-ended base that can obtain a sufficient light output.

According to the sixth aspect of the present invention, it is possible to sufficiently illuminate the area directly below and around the device as direct light, and irradiate the area above the device as indirect light. It is possible to provide an illuminating device using the obtained compact fluorescent lamp with a six-tube single-ended base.

[Brief description of drawings]

FIG. 1 shows a schematic cross-sectional view of a first embodiment according to the present invention.

FIG. 2 shows a perspective view of a six-column, single-sided compact fluorescent lamp.

FIG. 3 is a schematic sectional view for explaining a first embodiment according to the present invention.

FIG. 4 shows a schematic sectional view of a second embodiment according to the present invention.

FIG. 5 shows a schematic cross-sectional view of a third embodiment according to the present invention.

FIG. 6 shows a schematic sectional view of a fourth embodiment according to the present invention.

FIG. 7 is a perspective view of a two-column, single-sided compact fluorescent lamp, which is a conventional example according to the present invention.

FIG. 8 is a perspective view of a D-type single-base compact fluorescent lamp of a four-column type, which is a conventional example according to the present invention.

FIG. 9 is a perspective view of a four-pillar W-type single-base compact fluorescent lamp, which is a conventional example according to the present invention.

FIG. 10 is a cross-sectional view of an essential part of the conventional two-column, single-sided compact fluorescent lamp of the related art.

FIG. 11 is a cross-sectional view of a main part of the conventional D-type four-column compact single-ended base compact fluorescent lamp.

[Explanation of symbols]

 2 Bridge 5 Reflector 6 Slit a to f Bulb La Fluorescent lamp

Claims (6)

[Claims] 1. Six straight tubular valves are erected and supported in parallel with each other so that the valves are equidistant from each other and each of the valves has a substantially circular arc shape. Fluorescent lamps that are arranged and connected between adjacent bulbs in a zigzag manner by alternately connecting one end side and the other end side in the longitudinal direction of the bulb to form one discharge path, and In a lighting device comprising a reflector for reflecting the light output of a fluorescent lamp and a fixture for mounting the fluorescent lamp, at least two of the bulbs are equidistant from each other. A lighting device, characterized in that the fluorescent lamp is attached to the fixture so as to be arranged. 2. The lighting device according to claim 1, wherein at least two of the bulbs are two bulbs adjacent to each other. 3. The lighting device according to claim 1, wherein at least two of the bulbs are two bulbs adjacent to each other through one bulb. 4. At least two of the bulbs are the bulbs having filaments, and the bulbs having the filaments are arranged at the uppermost position in the vertical direction than the other four bulbs. So that
The lighting device according to claim 1, wherein the fluorescent lamp is attached to the fixture. 5. The fluorescent lamp with the longitudinal direction of the bulb as an axis so as to switch the arrangement of the bulb with respect to the reflector of claim 2 and the arrangement of the bulb with respect to the reflector of claim 3. An illuminating device having a rotatable structure. 6. The reflector is provided with a slit portion for irradiating the light output of at least one of the bulbs above the reflector in the vertical direction. The lighting device according to any one of claims 1 to 5.