JPH06267666A - Variable light color type lighting system - Google Patents

Abstract

PURPOSE:To enable white light to be controlled to provide a plurality of the kinds of light colors by alternately arranging a plurality of single head mold type fluorescent lamps emitting white lights different in light color every different light color, and thereby lighting one kind of color in such a way as to be freely switched over. CONSTITUTION:A single head mold type fluorescent lamp 13 is made up of a plurality of L and D color lamps 13L and 13D while the L and D color lamps are alternately arranged in position, and caps are set parallel in such a way as to be directed toward the outer periphery of lighting equipment 12. Each L color lamp 13L and each D color lamp 13D are connected to a L color lighting circuit and a D color lighting circuit respectively so as to be turned on/out while being freely dimmed. In this case, lighting is remotely controlled so as to be switched over to either one of each lamp 13L and each lamp 13D by a switch-over signal, so that each lamp 13L and each lamp 13D will never be simultaneously lighted. And since no same color lamp 13 is directly adjacent, the coolest section formed at the tip end section of each lighted lamp 13 is prevented from being heated. In addition, dislocation in light distribution can be reduced by arranging the 1ight colors of the lamps 13 alternately in line. By this constitution, white light can be controlled to provide a plurality of light colors.

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention provides a plurality of types of fluorescent lamps, each of which emits white light of different light colors such as light bulb color (L color) and daylight color (D color). The present invention relates to a variable light color lighting device that is switchably turned on between D color lamps.

[0002]

2. Description of the Related Art Conventionally, an example of a lighting device having a plurality of fluorescent lamps therein is shown in FIG. This lighting device 1 has a plurality of fluorescent lamps 3, 3 ... Which emit white light of a single light color arranged in a row in a lighting device 2 and incorporated therein.

The lighting fixture 2 has a light output opening end of the fixture main body 4 closed by a shade 5 which is a translucent cover, and the plurality of fluorescent lamps 3 are arranged in a row in a row along the radial direction. Each is attached to the socket 6. Note that FIG. 9 shows only one of the pair of front and rear sockets 6 and omits the other, and reference numeral 7 in the figure denotes a ballast of the lighting device and the like.

[0004]

There are various light colors in the white light emitted by the fluorescent lamp 3. For example, the daylight color (D color) having a color temperature of about 6500K is a slightly bluish white light. The light bulb color (L color) having a color temperature of about 3000K is a white light with a reddish tinge because it induces a cool sensation and is suitable for winter.

However, the above-mentioned conventional lighting device 1
Since all the fluorescent lamps 3, 3 ... Emit a single light color, that is, white light having the same color temperature, the light color of white light is appropriately changed according to the season and the purpose of use of the illumination. There is a problem that the atmosphere in the room cannot be changed by changing it.

Therefore, the present invention has been made in view of such circumstances, and an object thereof is to provide a light color variable illuminating device capable of variously controlling the light color of white light.

[0007]

The present invention is configured as follows in order to solve the above-mentioned problems.

The invention according to claim 1 of the present application (hereinafter, referred to as the first
Invention), a base is provided at one end of the bulb, and a coldest portion is formed at the tip of the bulb on the opposite side of the base, and a plurality of types of white light of different light colors are emitted. A lamp group having a plurality of single-ended die fluorescent lamps, a lighting device for switching the fluorescent lamp group to any one of the plurality of light colors, and dimmably controlling the lighting, and each of the fluorescent lamps. The bulb has a tip end portion that is staggered when the coldest portion is formed when the lamp is turned on, and a lighting fixture that is installed in a row so that the light colors are alternately different. And

Further, in the invention according to claim 2 of the present application (hereinafter referred to as the second invention), the fluorescent lamp group has a plurality of two kinds of fluorescent lamps respectively emitting two light colors, A plurality of these two types of fluorescent lamps are arranged in one row with their respective bases aligned on one side to form one set of lamp rows, and two sets of the one set of lamp rows are provided for each identical light source. The color fluorescent lamps are arranged in a staggered manner, and the bases of the fluorescent lamps of each set are arranged side by side so as to face outward.

Further, in the invention according to claim 3 of the present application (hereinafter, referred to as a third invention), the fluorescent lamp group is provided with two types of fluorescent lamps each of which emits two colors of light. A pair of lamps is formed by arranging them in parallel on one side, and a plurality of pairs of the pair of lamps are arranged so that the bases of these pairs are alternately located on the opposite side and the light colors are alternately different. It is characterized in that they are arranged in one row.

Further, in the invention according to claim 4 of the present application (hereinafter, referred to as a fourth invention), a base is provided at one end of the valve, and the coldest part is provided at the tip of the valve on the side opposite to the base. And a fluorescent lamp group having a plurality of single-ended type fluorescent lamps each of which emits white light of two different light colors, and the fluorescent lamp group is provided with any one of the plural light colors.
A lighting device for lighting in a color-switchable and dimmable manner and the lamp group are arranged in a row so that the tip ends of the plurality of fluorescent lamps face outward and the light colors are alternately different. And a built-in lighting device.

In the invention according to claim 5 of the present application (hereinafter referred to as the fifth invention), the lamp group has a plurality of two types of fluorescent lamps respectively emitting two light colors. Align two of these two types of fluorescent lamps on one side so that the light colors alternate.
One set of lamp lines is formed by arranging them in rows, and two sets of the one set of lamp lines are arranged side by side, and the light color of each of the fluorescent lamps is parallel to the middle between the two sets of lamp lines. It is characterized in that they are arranged so as to be bilaterally symmetric when the central axis passing through is the axis of symmetry.

Further, in the invention according to claim 6 of the present application (hereinafter referred to as the sixth invention), the lamp group has a plurality of two types of fluorescent lamps respectively emitting two light colors. Align two of these two types of fluorescent lamps on one side so that the light colors alternate.
One set of lamp lines is formed by arranging them in rows, and two sets of the one set of lamp lines are arranged side by side, and the light color of each of the fluorescent lamps is parallel to the middle between the two sets of lamp lines. When the central axis passing through is the axis of symmetry, it is arranged so as to be asymmetric.

[0014]

[Action]

<First to Sixth Inventions> The lamp group has a plurality of single-ended type fluorescent lamps of different kinds having different light colors, and these lamp groups are lit by a lighting device so as to be switchable to any one of the plurality of light colors. Therefore, various kinds of light colors can be variously controlled.

Further, since the single-ended die fluorescent lamps are arranged such that the respective tip portions of the bulbs in which the coldest portions are formed when the lamps are lit are arranged in a staggered manner, the coldest lamps are lit when the lamps are lit. It is possible to prevent the parts from adjoining each other. Therefore, it is possible to prevent each coldest part from being heated by the fluorescent lamp that is lit. For this,
The coldest part of each fluorescent lamp can be easily secured and the lighting thereof can be stabilized.

Further, since the plurality of fluorescent lamps are arranged in a row so that the light colors are alternately different from each other, the deviation of each light distribution when one of the plurality of light colors is sequentially switched and turned on is reduced. can do.

<Fourth Invention> Since the tip end portion forming the coldest portion of the plurality of fluorescent lamps faces the outside of the luminaire, cooling of the coldest portion by the outside air can be promoted. The coldest part can be easily secured.

<Fifth Invention> Since the two lamp rows are symmetrically arranged, the symmetry of the light distribution can be enhanced.

<Sixth Invention> Since the two lamp rows are asymmetrically arranged, the fluorescent lamps of the same color are arranged in a staggered pattern. Therefore, it is possible to reduce the deviation of each light distribution when a plurality of light colors are sequentially switched and lighted one by one.

[0020]

Embodiments of the present invention will be described below with reference to FIGS. 1 to 8, the same or corresponding parts are designated by the same reference numerals.

FIG. 1 is a plan view of an embodiment including the first and second inventions of the present application, and FIG. 2 is a sectional view taken along the line II-II of FIG. A lamp group 13 is built in the lighting fixture 12.

The lighting fixture 12 has a light-exiting open end of a tubular instrument body 14 with a lid attached to a mounting body such as a ceiling (not shown), which is closed by a shade 15 which is a translucent cover.

The lamp group 13 is a single-ended die fluorescent lamp 13a.
A plurality of L-color lamps 13L for emitting light bulb color (L color) and a plurality of D-color lamps 13D for emitting daylight color (D color). L color has a color temperature of about 3000K
And, it is a reddish white light, which makes the viewer feel warm. On the other hand, the color temperature of D color is about 6500K.
And, it is a bluish white light and gives a cool feeling.

In the single-ended die fluorescent lamp 13a, a pair of electrodes, not shown, are enclosed in both ends of a U-shaped glass bulb 13a1 made of glass, for example, together with an appropriate amount of mercury and a rare gas, and their sealed ends are sealed. A single-ended compact fluorescent lamp is constructed by externally fitting and fixing the base 13a2 to the outer peripheral portion of the bulb 13a2, and the bulb 13 on the side opposite to the base 13a2 is formed.
A coldest portion for controlling the mercury pressure in the bulb 13a1 is formed at the tip of a1.

However, this type of fluorescent lamp 13a has a problem that it is not easy to secure the coldest part for controlling the mercury pressure in the lamp because the bulb wall load of the bulb 13a1 is high.

Then, as shown in FIG. 1, the lamp group 13
Is a plurality of L, D color lamps 13L, 13D arranged in a vertical direction in the drawing at a predetermined interval so that the L and D colors are alternately arranged to form a set of lamp rows 16a. There is.

Also, two sets of this lamp array 16a, 16b
Are arranged side by side so that the respective bases 13a2 of the fluorescent lamps 13a are aligned so that the respective bases 13a2 of the lighting fixtures 12 face the outer edges in the left-right direction in the drawing, and the bases 13a2 of the respective fluorescent lamps 13a are respectively arranged as shown in FIG. It is detachably attached to the socket 17.

In FIG. 2, each socket 17 is a reflection plate 18 for reflecting the light from each fluorescent lamp 13a toward the shade 15 side.
It is planted at the left and right ends of the reflection surface of the lower surface and electrically connected to a lighting device 20 having a ballast 19 and the like, and these ballast 19 and lighting device 20 are attached to the inner surface of the canopy of the fixture body 14. .

As shown in FIG. 3, the lighting device 20 is electrically connected to the L-color lamps 13L, and the L-color lighting circuit 21 for turning on and off the dimmable lamps 13L and the D-color lamps 1L.
When the D color lighting circuit 22 which is connected to the 3D and turns on and off the light in a dimmable manner and the switching signal or the like from a remote controller or the like (not shown) is received by a sensor (not shown), the L and D color lamps 13L. , 13D, and a switching circuit 23 for switching the lighting between one side and the other side.
L and 13D are not turned on at the same time. 1 and 2, reference numeral 24 is a lamp holder that elastically holds the tip of each fluorescent lamp 13a.

Therefore, according to this embodiment, the white light of the lamp group 13 can be controlled to one of the L and D colors by operating the remote controller (not shown) or the like.

In addition, the L and D colors of the lamp group 13 are not turned on at the same time, and the fluorescent lamps 13a of the same light color are not adjacent in the vertical and horizontal directions in FIG. It is possible to prevent the coldest portions formed at the tip of each fluorescent lamp 13a from adjoining each other.

For this reason, next to the coldest part of the fluorescent lamp 13a being turned on, the fluorescent lamp 13 being turned off and being cooled.
Since the tips of a are adjacent to each other, this fluorescent lamp 1 is lit.
It is possible to prevent the coldest part of 3a from being heated by the adjacent fluorescent lamp 13a, and as a result, it is possible to easily secure the coldest part and stabilize the lighting state.

Further, in the lamp rows 16a and 16b, the L and D color lamps 13L and 13D are alternately located in the vertical direction in FIG. 1, and the L and D color lamps 13 of the same light color are arranged.
Since L and 13D are arranged in a staggered pattern in FIG.
It is possible to reduce the deviation between the light distribution when one of the D colors is turned on and the light distribution when the other one is turned on.

FIG. 4 is a schematic view of the essential portions of an embodiment of the third invention of the present application, which is one L and D color lamp 13 each.
A pair of lamps 25 are constructed by arranging L and 13D in close proximity to each other so that their respective caps 13a2 are aligned on one side. , 13D are arranged side by side at a required interval in the vertical direction in the figure so that they are alternately positioned, and each pair of bases 1
3a2 is characterized in that they are arranged in one row so that they are alternately arranged in pairs in the juxtaposed direction.

Also in this embodiment, the L and D color lamps 1 are
3L and 13D are alternately positioned in the juxtaposed direction, and since both L and D color lamps 13L and 13D are not lit at the same time, the coldest portions formed at the tip of each fluorescent lamp 13a are mutually connected. Never be adjacent to.

For this reason, the coldest part of the fluorescent lamp 13a during lighting is easily secured, so that the lighting of each fluorescent lamp 13a is stabilized and the arrangement density of the fluorescent lamps 13a is increased, and the entire device is improved. Can be miniaturized, or
If the size is not reduced, the number of fluorescent lamps 13a built in the lighting fixture 12 can be increased, and the luminous flux can be increased.

FIG. 5 is a plan view of an embodiment of the fourth invention of the present application, and FIG. 6 is a sectional view taken along the line IV-IV of FIG. Lamp row 16a, 1
6b is arranged in the luminaire 12 so that all the front ends of the bulbs 13a1 in which the coldest parts of these fluorescent lamps 13a are formed are directed outwards.

That is, the common socket 32 is fixed on the reflecting surface of the reflecting plate 18 along the longitudinal direction thereof in the approximately middle portion in the width direction of the luminaire 12, and the common socket 32 has its left and right side surfaces in the figure. Two rows of lamps 16 from both sides
The bases 13a2 of the fluorescent lamps 13a of a and 16b are respectively detachably inserted, and two lamp rows 16a and 16 are provided.
The b's are arranged back to back.

Therefore, according to this embodiment, since all the tip portions of the bulbs 13a1 in which the coldest portions of the fluorescent lamps 13a are formed are directed outward, the coldest portions are easily cooled by the outside air. In addition, since the different light colors L and D are not turned on at the same time, the fluorescent lamps 13a adjacent to each other are not turned on.
Therefore, it is possible to prevent heating, and each coldest portion can be easily secured.

FIG. 7 shows an embodiment of the fifth invention, and the variable light color illumination device 41 of this embodiment is an arrangement of the light colors L and D of the plurality of fluorescent lamps 13a in the embodiment shown in FIG. Is the axis of symmetry along the longitudinal direction of the shared socket 32.
Is characterized in that it is arranged symmetrically on the left and right in the figure.

Therefore, this variable color light type illuminating device 41 is used.
Then, the light colors of the plurality of fluorescent lamps 13a are changed to the symmetry axis O
Since the light appears symmetrically with respect to the center, it is possible to improve the symmetry of each light distribution when each light color L, D is turned on.

In each of the embodiments described above, the case where a plurality of L and D color lamps 13L and 13D having two light colors (L and D colors) are incorporated in the lighting fixture 12 has been described.
The present invention is not limited to this. For example, the light color of white light may be N, W colors other than L, D colors, and the number of light colors may be a combination of three or more kinds.

Further, the fluorescent lamp 13a is not limited to the U-shaped FPL type single-ended die compact fluorescent lamp, but may be a single-ended die fluorescent lamp in which the coldest portion is formed at the tip of the bulb 13a2. All that is required is, for example, FIG.
FMLs shown in (A), (B), (C), and (D), respectively.
Type, FPL type, FWL type, and FDL type single-ended die fluorescent lamps 51, 52, 53, 54 may be used.

[0044]

As described above, according to the first to sixth inventions of the present application, a plurality of single-ended type fluorescent lamps of different kinds having different light colors are provided, and any one of the plurality of light colors of these lamps is selected by the lighting device. Since the light can be switched to any color, the white light can be variously controlled to a plurality of types of light colors.

Further, since the plurality of single-ended die fluorescent lamps are arranged so that the coldest parts when they are lit are not adjacent to each other, it is avoided that each coldest part is adjacent to the lamp that is lit. It For this reason, it is possible to prevent each coldest part from being heated by the adjacent fluorescent lamp that is lit. As a result, the coldest part of each fluorescent lamp can be easily secured, and the lighting thereof can be stabilized.

Further, since the plurality of fluorescent lamps are arranged in a row so that the light colors thereof are alternately different, the respective light distributions when the plurality of light colors are sequentially switched and turned on one by one. The deviation can be reduced.

A fourth invention of the present application is to provide a plurality of fluorescent lamps,
Since the tips forming the coldest parts are arranged so as to face the outside of the luminaire, cooling of the coldest parts by the outside air can be promoted, and the coldest parts can be easily secured. it can.

Further, in the fifth invention of the present application, since the two lamp rows are arranged symmetrically, the symmetry of the light distribution can be enhanced.

Further, in the sixth invention of the present application, since the two lamp rows are arranged asymmetrically, it is possible to arrange the fluorescent lamps of the same color in a staggered manner. It is possible to reduce the deviation of each light distribution when the colors are switched and turned on one by one.

[Brief description of drawings]

FIG. 1 is a plan view of an embodiment of a variable light color illumination device including the first and second inventions of the present application.

FIG. 2 is a sectional view taken along line II-II of FIG.

FIG. 3 is a configuration diagram of a lighting device of the embodiment shown in FIG.

FIG. 4 is a configuration diagram of a main part of an embodiment of a third invention of the present application.

FIG. 5 is a plan view of an embodiment including the fourth and fifth inventions of the present application.

6 is a sectional view taken along line VI-VI of FIG.

FIG. 7 is a plan view of an embodiment of the fifth invention of the present application.

8 (A), (B), (C) and (D) are views showing another one-sided mold compact fluorescent lamp used in the present invention.

FIG. 9 is a vertical cross-sectional view of a conventional single light color illumination device.

[Explanation of symbols]

 11, 31, 41 Variable light color lighting device 12 Lighting fixture 13 Lamp group 13a Single-ended fluorescent lamp 13a1 Bulb 13a2 Base 13L L-colored lamp 13D D-colored lamp 14 Fixture body 15 Sed 16a, 16b Lamp row 17 Socket 18 Reflector 19 Ballast 20 Lighting Device 21 Lighting Circuit for L Color 22 Lighting Circuit for D Color 23 Switching Circuit 24 Lamp Holder 25 Pair of Lamps 32 Shared Socket

Claims (6)

[Claims] 1. A plurality of types of single-ended mouths each of which emits white light of different light color by providing a mouthpiece at one end of the bulb and forming a coldest portion at a tip end of the bulb opposite to the mouthpiece. A lamp group having a plurality of mold fluorescent lamps and the fluorescent lamp group can be switched to any one of the plurality of light colors.
Further, the lighting device for lighting the light in a dimmable manner and each of the fluorescent lamps are arranged such that the tip portion of the bulb on which the coldest portion is formed at the time of lighting is staggered and the light colors are alternately different. A light color variable lighting device, comprising: a lighting fixture that is arranged in a row and built-in. 2. The fluorescent lamp group has a plurality of two types of fluorescent lamps respectively emitting two colors of light, and a plurality of these two types of fluorescent lamps are arranged with their respective bases on one side. One set of lamp rows is configured by arranging in one row, and two sets of the one set of lamp rows are arranged in a staggered manner with fluorescent lamps of the same light color respectively, and the caps of the fluorescent lamps of each set are arranged. 2. The variable light color illuminating device according to claim 1, wherein the lighting devices are arranged side by side so as to face outward. 3. A fluorescent lamp group comprises a pair of fluorescent lamps, each of which emits two colors of light, arranged in parallel with their bases aligned on one side. Multiple pairs of lamps, one with each of these pairs of bases alternating on opposite sides, with alternating light colors
2. The variable light color type lighting device according to claim 1, wherein the lighting device is arranged in rows. 4. A base is provided at one end of the valve, and a coldest portion is formed at the tip of the valve on the opposite side of the base, and
A lamp group having a plurality of two types of single-ended die fluorescent lamps that respectively emit white light of various light colors, and the fluorescent lamp group can be switched to any one of the plurality of light colors and dimming A lighting device that freely lights and the lamp group,
While each tip of the plurality of fluorescent lamps faces outward,
And a built-in lighting device which is arranged in a row so that the light colors are alternately different, and the built-in lighting device. 5. The lamp group has a plurality of two types of fluorescent lamps, each of which emits two light colors.
A plurality of types of fluorescent lamps are arranged such that their respective caps are aligned on one side and arranged in a row so that the light colors are alternately different, thereby forming a set of lamp rows. Two sets are installed side by side, and the fluorescent color of each fluorescent lamp is
5. The variable light color type illuminating device according to claim 4, wherein the illuminating devices are arranged so as to be bilaterally symmetrical when a central axis passing in parallel between the lamp rows of the set is parallel to each other. 6. The lamp group has a plurality of two types of fluorescent lamps each of which emits two light colors.
A plurality of types of fluorescent lamps are arranged such that their respective caps are aligned on one side and arranged in a row so that the light colors are alternately different, thereby forming a set of lamp rows. Two sets are installed side by side, and the fluorescent color of each fluorescent lamp is
6. The variable light color illuminating device according to claim 5, wherein the light color variable illuminating device is arranged so as to be bilaterally asymmetrical when a central axis passing in parallel between the lamp rows of the set is a symmetrical axis.