JP2000100203A - Task ambient illumination system - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide a task ambient illumination system that secures an appropriate illumination environment and saves the energy of the illumination system. SOLUTION: Ambient illumination 11 are installed in rows at proper intervals inside a ceiling above an illumination region, multiple suspending tools 12 are fixed at proper intervals between the lines of the ambient illumination, power feeding rails 16 are suspended and fixed between the suspending tools generally parallel with a ceiling slab surface 10, supporting frame members 14 positioned generally parallel with and below the power feeding rails 16 are suspended and fixed between the suspending tools, louver units 17 having grid boxes 17b all over their surfaces or light transmission material units 20 are movably mounted between the supporting frame members 14 in parallel with one another, and task illumination 18 are transferrably mounted along illumination regions T between the louver units 17 and the light transmission material units 20.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a task ambient lighting system which comprises ambient lighting for general lighting and task lighting for individual lighting and is mainly applied to office lighting.

[0002]

2. Description of the Related Art Conventionally, as an office lighting system in Japan, a uniform and high illuminance required according to the work content is installed, for example, a hanging type, a ceiling embedded type, a floor stand indirect type, a ceiling deformed type and the like. Fluorescent tube lighting and other lighting fixtures arranged in a large number under the pattern ensure that even if the office layout is changed, the illuminance will be uniform at all parts of the office and will not affect the work. , A stand type provided near the desk of each worker,
It is known that task lighting designed to provide a higher illuminance than a ceiling light on a desk with a personal lighting such as a partition installation type, and to ensure a clear field of view. In the vicinity of the desk that affects the visual work of the operator, sufficient illumination is secured by task lighting such as a stand type or partition installation type, while the surrounding area such as a passage that does not directly affect the work is minimized by general lighting There is also known a task ambient lighting system that maintains a necessary lighting environment while reducing energy consumption for lighting by securing only the illuminance of the light.

[0003]

However, according to the conventional task ambient lighting system as described above, the task lighting is firstly equipped with a stand-type lighting or the like mounted near each desk in an office. Lighting fixtures that are easy to give a sense of uncertainty, such as having knots, are often used, and they may stand in the office and impair the aesthetic appearance, and also become obstacles on the desk and complicate the work environment There was a fear.

[0004] In addition, the light source for task lighting is likely to be present in front of the worker, and the worker himself / herself feels discomfort such as dazzling and annoyance. Could also cause similar discomfort.

[0005] Therefore, in order to solve the problem of the task lighting described above, a plurality of lighting fixtures are embedded in the ceiling and fixed, and each of the lighting fixtures is turned on toward a target lighting area below the ceiling. It is recommended to remove the glare by letting it do not impair the aesthetics of the office, etc., but since the lighting fixtures are fixed, implement the appropriate rearrangement of the lighting fixtures due to the office layout change It is difficult.

[0006] Next, regarding the ambient lighting, the required illuminance depends on almost only the ambient lighting, but the high illuminance is unnecessarily performed in spite of the fact that it is currently called the task ambient lighting. This is a situation where the number of lighting fixtures is simply reduced in order to reduce the standard to the required illuminance.In the former situation, the lighting is applied to unnecessary areas, and the lighting that the task ambient lighting system originally proposed A large amount of electric energy is wasted contrary to the purpose of reducing the energy used, and the economic loss is great.

On the other hand, in order to meet the task of saving energy of a task ambient lighting system, the latter situation in which the illuminance standard is reduced to the required illuminance by simply reducing the number of conventional luminaires such as fluorescent tubes installed on the ceiling. In this case, it is difficult to obtain uniform and appropriate illumination because it is easy to create an atmosphere as if the illuminance is lower than the actual illuminance due to uneven illuminance for each area due to the presence or absence of the lighting equipment.

In addition, in addition to the above, measures are taken to form a plurality of hemispherical curved three-dimensional shapes on the ceiling and arrange a lighting fixture at the center of the curved surface so that the illumination light is diffused evenly and the illuminance unevenness is eliminated. However, it is difficult to apply to an existing office because of its cost, and even in the case of a new office, when building an office,
The necessity of performing complicated shapes is unavoidable, and a significant increase in required cost and labor is inevitable.

The present invention has been made in order to solve the above-mentioned problems, and when the layout or the like in an office is changed, the arrangement position and quantity, the illuminance, and the like can be appropriately changed according to the situation, and the glare is improved. In addition to having a low level of discomfort, such as task lighting that does not impair the aesthetics of the office and ambient lighting that can provide uniform lighting even at low illuminance, an appropriate lighting environment is ensured and energy saving of the lighting system is achieved. And a task ambient lighting system.

[0010]

SUMMARY OF THE INVENTION The present invention has been made to achieve the above object, and has an ambient illumination for illuminating an entire illumination area to be illuminated and a task for illuminating a specific portion in the illumination area. In a lighting system that combines lighting, on the ceiling slab surface in the ceiling above the lighting area, or ambient lighting suspended from the ceiling slab surface and arranged at appropriate intervals, between the ambient lighting rows A plurality of hanging devices, one ends of which are fixed at appropriate intervals; a support frame member suspended between the hanging devices so as to be substantially parallel to the ceiling slab surface; and a transfer between the support frame members. The louver units are freely mounted in parallel, and the task lighting is mounted between the support frame members so as to be freely moved along the task lighting area between the louver units. To.

In the present invention, the ambient lighting may be suspended and fixed between the hanging devices.

In the present invention, a light transmitting material unit made of a light transmitting material may be used instead of the louver unit.

[0013] The task lighting can be automatically turned on and off by a human-sensitive sensor.
It can also be turned on and off by infrared or other wireless systems.

Here, the louver unit in the present invention is made of various materials such as aluminum, steel, synthetic resin, etc., and is formed into a plate shape by assembling in a rectangular, polygonal or other various lattices. It has appropriate strength to maintain a flat surface when suspended between support frame members, and is sufficiently light enough to be easily installed and relocated.

Further, the light transmitting material unit includes a non-combustible film or an FR.
It is a plate or film using a material such as P.

According to the task ambient lighting system of the present invention, the relatively high illuminance required for each work area of an individual can be obtained by the task lighting which is movably mounted along the task lighting area. Therefore, even if the office layout is changed and the lighting area and the illuminance need to be changed accordingly,
To move the task lighting from the previous location and relocate it to a location above the area where new lighting is required, or simply increase or decrease the illuminance, insert and remove the task lighting as appropriate. The required illuminance can be easily obtained by increasing or decreasing the number.

The task lighting area is an area sandwiched between the louver units or the light transmitting material units arranged side by side. The size and number of task lighting fixtures according to the required level of illuminance, the illumination range, and the like. In response to the above, the width and length can be appropriately changed. In addition, it is assumed that not only task lighting but also various devices such as sprinklers, fire detectors, speakers, and air conditioning slits can be attached to the task lighting area.

Further, the task lighting is mounted in parallel with the louver unit or the light transmitting material unit in the task lighting area between the supporting frame materials provided on the ceiling. Integrally, there is no significant downward projection, and no light source is located near the ceiling above the worker to allow direct light to enter the field of view. Conventional stand-type lighting etc. placed near the desk Problems such as disturbing the aesthetics of the office, complicating the desk, and giving the worker and the person in contact with the discomfort, such as dazzling and annoying, are solved.

Furthermore, if the turning on and off of task lighting is controlled by a human sensor or an infrared or other wireless system as in the present invention, reliable turning on and off can be performed according to the presence or absence of a worker. It is possible to reduce the energy for lighting by eliminating unnecessary lighting, and eliminate the need for complicated work such as arranging switches for lighting and turning off lights in the office and arranging switches etc. Shall be

[0020]

Preferred embodiments of the present invention will be described below in detail with reference to the accompanying drawings.

FIG. 1 shows an example in which a task ambient lighting system according to the present invention is applied to an office.
Shows a mounting structure between the task lighting and the louver unit. FIG. 1 shows the space between the ceiling surface and the louver unit artificially expanded for the sake of explanation.

In the ceiling of the office, for example, fluorescent tube lights 11 with reflection shades suspended from the ceiling slab surface 10 are arranged in a row as ambient lights. A hanging bolt 12 (about 10 mm in diameter) made of steel is used as an instrument, and one end of the ceiling slab surface 10
The other end is provided with a holding metal 13 to support the supporting frame member.

The hanging bolts 12 are fixed in advance to the ceiling slab surface 10 at appropriate intervals in consideration of the material, diameter and number thereof so that the weight of the entire lighting system excluding the ambient lighting can be equally shared and supported. Shall be performed.

Next, in the present embodiment, a rectangular shape having a reverse T-shaped cross section is formed on a holding metal fitting 13 provided at the tip of a suspension bolt 12 arranged in a row on the ceiling slab surface 10.
A support frame member 14 suspended and fixed between the suspension bolts 12 so as to be substantially parallel to 0 is inserted and slid from the horizontal direction toward the opening 13a of the holding bracket 13 as shown in FIG. 13 and the support frame member 14 are resiliently engaged or gripped.

In FIG. 1, the support frame members 14 are held in parallel at the tips of the suspension bolts 12, and the respective support frame members 14 are securely connected to each other by the joint plate 15. After the connection is completed, these support frame members 14 can function as an integral support frame member having three rows of louver unit openings and one row of task illumination regions T sandwiched between the openings.

In this embodiment, the support frame 1
A power supply rail 16 suspended and fixed between the suspension bolts 12 is disposed on the suspension bolts 4 above and serves to supply power for task lighting.

After the support frame member 14 is attached, the area excluding the task illumination area T (in FIG. 1, the left and right sides and the center area).
Next, the end of the plate-shaped louver unit 17 having a large number of grids 17a in the form of a rectangular lattice or the light-transmitting material unit 20 made of a light-transmitting material is connected to the web at the lower end of the support frame material as shown in FIG. The unit 17 and 20 are mounted on the unit 14a and fixed with clips or the like if necessary. In the same figure, an example is shown in which the louver unit 17 is mounted on the left and right sides of the area excluding the task illumination area T, and the light transmitting material unit 20 is mounted on the central area. Normally, either the louver unit 17 or the light transmitting unit 20 is mounted on the entire office, but both units 17 and 20 may be mixed as shown in FIG.

After the louver unit 17 and the light transmitting material unit 20 are mounted as described above, in the task illumination region T interposed therebetween, as shown in FIG. A task light 18 is mounted on the end portion, and a speaker 19 for broadcasting, for example, an announcement in the hall or environmental music is mounted in series with the task light 18 as shown in FIG. Since both the task lighting 18 and the speaker 19 can be relocated on the supporting frame material 14 on which they are mounted, even if the office layout is changed after they are mounted once, they are arranged in the same order. If the mounting position is adjusted by replacing or sliding the mounting position, the mounting position can be changed flexibly and easily to respond to the layout change.

Here, as shown in FIG. 2, the task lighting 18 secures power by inserting a power cord 18a into a slidable outlet plug 16a mounted on the power supply rail 16 and securing a power supply. Fluorescent tube 18 from section 18b
c is supplied with power to emit light and illuminate,
For example, a human-sensitive sensor is provided in the inside, and the presence or absence of a person near the desk below is sensed to automatically turn on / off the light. Although the power supply rail 16 is employed in the present embodiment, the use of the power supply rail 16 is not essential in the present invention.

The task illumination 18 is not limited to the fluorescent tube described above, but may be an HID. The optical axis angle of the illumination can be freely adjusted by manual operation or remote operation by various remote controllers. Although it is preferable, the optical axis angle may be fixed.

The task lighting area T on which the task lighting 18 is mounted is provided with the task lighting 18 and the speaker 1.
Not only 9 but also various devices such as sprinklers, fire detectors, air conditioning slits, etc. can be installed.

As described above, the fluorescent tube illumination 11 (ambient illumination), the task illumination 18 mounted in parallel below it, the louver unit 17 and the light transmitting material unit 20 are closely integrated near the office ceiling. The result is a task ambient lighting system of the present invention.

After the task ambient lighting system of the present invention has been formed, the office lighting is changed, various lights are rearranged, and the illuminance distribution is changed. Since the upper part can be freely moved, if the permutation order of the task lighting in the task lighting area T is exchanged, the number of task lighting is increased or decreased, or the mounting position is adjusted by sliding, the lighting conditions in various layouts are changed. Can be handled flexibly and easily.

When the above-described task ambient lighting system is actually operated, first, the power switch of the fluorescent tube lighting 11 suspended from the ceiling slab surface 10 is turned on.
And the fluorescent tube is turned on, and the illuminating light emitted from the fluorescent tube lighting 11 is illuminated by the louver unit 1 located thereunder.
7. Irradiation is performed on the light transmitting material unit 20.

The illumination light appropriately diffused by the rectangular grid grid 17a of the louver unit 17 or the light transmitting material unit 20 fills the office space below the unit as uniform general illumination without unevenness.

The task lighting 18 mounted on the task lighting area T between the louver unit 17 and the light transmitting material unit 20 is provided with a human-sensitive sensor. When it arrives at D, it is automatically turned on by the human sensor provided in the task light 18 and illuminates the desk of the worker to the illuminance necessary for visual work on the desk.
At that time, since the irradiation direction of the illumination light is downward,
It is unlikely that the illumination light is reflected on the display screen of the computer P or the like placed on the desk and is irregularly reflected, and the worker can work in a comfortable viewing environment.

When the worker leaves the seat, contrary to the case where the worker is seated, the human sensitivity sensor detects the absence of a person and automatically turns off the task lighting 18.

In this embodiment, the fluorescent tube illumination 11 with a reflection shade is shown as the ambient illumination. However, the present invention is not limited to this, and various types of illumination equipment such as HID can be used. As a form, a ceiling slab embedded type or the like may be used, and a ceiling deformed type in which a ceiling slab surface is molded in three dimensions can be applied without any problem.

Whether the above-mentioned various ambient lightings are existing or new ones is not limited when applying the task ambient lighting system of the present invention.

Furthermore, as for the support frame member 14, the one whose outer shape is assembled in a rectangular shape and which is integrally connected to each other by the joint plate 15 is mentioned. Any shape can be applied as long as it can be combined with each other and has a shape that can secure the task illumination area T, such as a polygon of a polygon. In such a case, it is not particularly necessary to use the supporting frame members 14 integrally connected to each other.

Regarding the louver unit 17 mounted on the support frame member 14, the grid cell 17b is not necessarily required to have a rectangular lattice shape and an external shape is also rectangular as shown in this embodiment. For example, polygonal, circular or other various shapes can be applied.
4 can be adopted as long as it conforms to the frame shape configured. Regarding the above outer shape, similarly to the light transmitting material unit, not only a rectangular shape but also any shape can be applied as long as it conforms to the frame shape formed by the support frame material.

In the above-described embodiment, the fluorescent tube illumination 1 with the reflection shade provided in the ceiling as the ambient illumination.
However, instead of this, it is possible to arrange the ambient lighting on the support frame member 14 and to arrange it in the same plane as the task lighting 18. In this case, the louver unit 17 and the light transmitting material unit 2
In addition to 0, a unit made of a light non-transmissive material can be appropriately arranged. According to the present invention, it is possible to make the ceiling floor smaller and to increase the effective floor height, as well as to increase the lighting efficiency, as compared with the embodiment described above.

[0043]

As described above in detail, according to the task ambient lighting system of the present invention, the relatively high illuminance required for each work area of an individual can be freely transferred along the task illumination area. Since it will be obtained by the task lighting that is bridged, even if the office layout is changed,
Even if it is necessary to change the illumination area and illuminance accordingly, move the task illumination from the previous arrangement position in the task illumination area and move it to the arrangement position above the area where new illumination is required. When rearranging or simply raising or lowering the illuminance, the required illuminance can be easily obtained by appropriately inserting or removing the task illumination to increase or decrease the number.

The task lighting area is an area sandwiched between the louver units or the light transmitting material units arranged side by side. The size and number of the task lighting fixtures according to the required level of illuminance and the illumination range, etc. In response to the above, the width and length can be appropriately changed. In addition, in the task lighting area, not only the task lighting but also various devices such as sprinklers, fire detectors, speakers, and air conditioning slits can be attached.

Further, the task lighting is mounted in parallel with the louver unit or the light transmitting material unit in the task lighting area between the supporting frame materials provided near the ceiling, so that the louver unit or the light transmitting material unit is placed in a flat plate shape. , Without protruding greatly downward,
The light source is located near the ceiling above the worker and the light does not directly enter the field of view, and the conventional stand type lighting etc. arranged near the desk has a bad appearance of the office,
Problems such as making the desk complicated and giving the worker and the person in contact with it the discomfort such as dazzling and annoying are solved.

Furthermore, if the turning on and off of task lighting is controlled by a human sensor or an infrared or other wireless system as in the present invention, reliable turning on and off can be performed according to the presence or absence of a worker. It is possible to reduce the energy for lighting by eliminating unnecessary lighting, and eliminate the need for complicated work such as arranging switches for lighting and turning off lights in the office and arranging switches etc. Shall be

[Brief description of the drawings]

FIG. 1 is an explanatory diagram of a task ambient lighting system according to the present invention.

FIG. 2 is an enlarged perspective view showing a mounting structure of the task lighting and the louver unit according to the present invention.

[Explanation of symbols]

 Reference Signs List 10 Ceiling slab surface 11 Fluorescent tube illumination with reflective shade (ambient illumination) 12 Hanging bolt (suspension equipment) 14 Support frame material 16 Power supply rail 17 Louver unit 18 Task illumination 20 Light transmission material unit T Task illumination area

Claims (5)

[Claims] 1. A lighting system in which ambient lighting for performing lighting over an entire target lighting area and task lighting for performing lighting on a specific point in the lighting area are combined, wherein a ceiling slab in a ceiling above the lighting area is provided. Ambient lighting suspended from the surface or from the ceiling slab surface and arranged at appropriate intervals, a plurality of hanging fixtures having one end fixed at appropriate intervals between the ambient lighting arrays, and the ceiling A support frame material suspended and fixed between the hanging devices so as to be substantially parallel to the slab surface, a louver unit that is freely mounted and transferred in parallel between the support frame materials, and a task lighting area between the louver units. And a task illumination mounted between the support frame members so as to be freely relocated along the task ambient lighting system. 2. The task ambient lighting system according to claim 1, wherein the ambient lighting is suspended and fixed between the hanging devices. 3. The task ambient lighting system according to claim 1, wherein a light transmitting material unit made of a light transmitting material is used instead of the louver unit. 4. The task ambient lighting system according to claim 1, wherein the task lighting is automatically turned on and off by a human sensor. 5. The task ambient lighting system according to claim 1, wherein the task lighting is turned on and off by an infrared ray or another wireless system.