JP3857847B2 - Artificial window device - Google Patents

Description

[0001]
BACKGROUND OF THE INVENTION
The present invention relates to an artificial window device, and more particularly to an artificial window device disposed on a construction surface (wall surface, ceiling surface, etc.) of an indoor space without a window such as a monitoring room or a rest room of a factory or a power plant. .
[0002]
[Prior art]
In general, a monitoring room or a rest room of a factory or a power plant is often a place without a closed window of a building for reasons of security or disaster prevention. And, for workers who work in such an environment, it is difficult to say that it is a comfortable environment because it can not communicate with the outside world due to the change of sunlight entering from the window. 2. Description of the Related Art Conventionally, an artificial window device that is installed on a wall surface or the like in a place without a window to create a pseudo window has been provided (see Japanese Patent Application Laid-Open No. 3-226903).
[0003]
The conventional artificial window device described in the above publication has a plurality of dimmable light sources having different color temperatures, and adjusts the color temperature and total luminous flux of the light source according to changes in the morning, noon and evening. By doing so, it was intended to obtain a comfortable environment by imitating the light from the light source as sunlight entering from an actual window.
[0004]
[Problems to be solved by the invention]
By the way, the daily change of sunlight entering from an actual window differs depending on the place. However, in the above-mentioned conventional device, although the dimming pattern of the light source is changed according to the weather, the dimming of the light source is performed with the same dimming pattern regardless of the place where the device is installed. There was a problem that the change in sunlight could not be faithfully reproduced.
[0005]
The present invention has been made in view of the above circumstances, and an object of the present invention is to provide an artificial window device capable of faithfully reproducing actual changes in sunlight and obtaining a comfortable environment.
[0006]
[Means for Solving the Problems]
In order to achieve the above object, a first aspect of the present invention provides a window frame disposed on an indoor construction surface, a transmissive portion provided with a diffuse permeability so as to cover the inside of the window frame, A light source that irradiates light indoors through the transmission unit, a light control unit that adjusts the light source with a light control pattern that closely follows a change in the day of sunlight, and a storage unit that stores the light control pattern In a short period of time following the first dimming pattern in a mountain shape, where the dimming level is 100% between sunrise and sunset, and the brightness change in the situation where the sun is hidden between clouds. And a second dimming pattern in which the dimming level fluctuates finely is stored in the storage means, and the dimming means performs dimming in a long span of one day according to the first dimming pattern and the first dimming pattern. dimming at short short span according to the two dimming pattern The light that is radiated indoors through the transmission part feels like real sunlight, and people in the room can communicate with the outside world in a pseudo manner, providing a comfortable environment. At the same time, dimming with a dimming pattern that corresponds to the conditions of the location such as the area where the window frame is installed makes it possible to reproduce the changes in actual sunlight more faithfully and comfortably. Can be improved .
[0007]
According to a second aspect of the present invention, in the first aspect of the invention, a plurality of types of light sources having different light colors are provided, and the dimming means dimmes each light source to emit light irradiated indoors through the transmission unit. It is characterized by toning, and it is possible to reproduce the light color change of the day, such as blue in the morning, whitish during the day, and red in the evening, further improving comfort Can be made.
[0008]
DETAILED DESCRIPTION OF THE INVENTION
(Embodiment 1)
As shown in FIG. 1, the artificial window device according to the present embodiment is provided so as to cover a window frame 1 disposed on an indoor construction surface (wall surface or the like) and to cover the inside of the window frame 1 having diffusion permeability. The transmission unit 2 includes a light source that irradiates light indoors through the transmission unit 2, and a light control unit that adjusts the light source with a light control pattern that closely follows a change in the daylight of sunlight. A plurality of crosspieces 1 a are provided inside the window frame 1, and a member having diffusion permeability such as Japanese paper is attached to the window frame 1 and the crosspiece 1 a as the transmission portion 2. As shown in FIG. 1B, a plurality of straight tube fluorescent lamps 3 and lamp sockets (not shown) serving as light sources are arranged on the back side of the transmission part 2 inside the window frame 1. Each lamp socket is connected to the ballast 4 by an electric wire. Here, the fluorescent lamp 3 is arranged in the vertical direction as shown in FIG. 2 (a), in addition to the arrangement in which the axial direction is substantially horizontal and arranged in the vertical direction as shown in FIG. 1 (b). Are arranged in the horizontal direction with the same height and aligned in the horizontal direction, or as shown in FIG. 4B, the axial direction is substantially matched with the vertical direction and the height is staggered and arranged in the horizontal direction. It may be an arrangement. Or you may make it arrange | position around the window frame 1 so that it may become substantially parallel to each edge | side of the window frame 1 instead of the inside of the window frame 1 as shown in the figure (c). However, in this arrangement, a light guide plate, a reflecting mirror, or the like is used to guide the light of each fluorescent lamp 3 to the transmission part 2 inside the window frame 1.
[0009]
The dimming means includes a ballast 4 and a dimming control unit 5. The ballast 4 is an electronic ballast constituted by, for example, an inverter circuit, and converts commercial power into high-frequency power and supplies it to the fluorescent lamp 3. The dimming control unit 5 includes a microcomputer as a main component, and dims the fluorescent lamp 3 by changing the oscillation frequency and on-duty ratio of the ballast 4. Since the ballast 4 and the dimming control unit 5 can be realized by using a conventionally known technique, the detailed configuration and illustration thereof are omitted.
[0010]
Incidentally, the dimming control unit 5 includes a storage unit (not shown) made of a semiconductor memory such as an EEPROM, in which a dimming pattern is stored in advance, and a ballast according to the dimming pattern stored in the storage unit. 4 is controlled, and the fluorescent lamp 3 is dimmed. Here, for example, as shown in FIG. 3, the storage unit has a dimming level that follows the daily change pattern of sunlight outdoors, that is, a dimming level of 100 at the time of south to middle between sunrise and sunset. % (The rated lighting level of the fluorescent lamp 3), and the dimming level within a short time following the brightness change in the situation where the sun is visible and hidden between clouds as shown in FIG. The dimming pattern P2 is stored so as to change finely.
[0011]
Here, the dimming patterns P1 and P2 are set according to the installation location of the apparatus. For example, Japan is divided into a plurality of regional blocks (Eastern Japan, Western Japan, etc.) according to the sunrise time and sunset time, etc., and the dimming patterns P1, P2 corresponding to the region for each regional block, or the mountain area The areas are divided into areas according to the geographical conditions such as plain areas, and the dimming patterns P1 and P2 according to the geographical conditions are set for each area. In addition, what is necessary is just to set the said light control pattern P1 and P2 by actually measuring the pattern of the daily change of sunlight according to an installation place.
[0012]
The dimming control unit 5 includes a timer (not shown) that counts the current time, reads the dimming patterns P1 and P2 stored in the storage unit based on the time counted by the timer, The light is dimmed with a long span of one day according to the dimming pattern P1, and the light is dimmed with a short span in a short time according to the dimming pattern P2, so as to be close to the actual change in sunlight outdoors.
[0013]
As described above, in the artificial window device according to the present embodiment, the dimming level of the fluorescent lamp 3 is dimmed with the dimming patterns P1 and P2 that follow the change in sunlight at the installation location, so The light radiated on the screen feels like the actual sunlight at the installation site. Therefore, an operator who works in a closed place isolated from the outside world, such as a monitoring room of a power plant, is simulated by the daily change of sunlight reproduced by the light emitted from the artificial window device. As a result, a refreshing and comfortable environment can be obtained. In addition, since the light control level changes with time, it is possible to make the operator perceive the change in time due to the change in the light emitted from the artificial window device. Furthermore, if the dimming pattern P1 is stored in the storage unit in a plurality of types of dimming patterns according to sunny weather, cloudy weather, and rainy weather, and the dimming pattern P1 is switched according to actual weather, The operator can feel the outdoor weather.
[0014]
Further, as shown in FIG. 5, three kinds of dimming patterns P1a, P1b, P1c corresponding to the season are stored in the storage unit, and these dimming patterns P1a, P1b, P1c are associated with the actual season. You may make it switch. Here, in the summer dimming pattern P1a, the lighting start time (sunrise time) is advanced earlier, the extinguishing time (sunset time) is delayed, and the dimming level at the south-central time is increased, while the winter dimming pattern is contrasted. In the pattern P1c, the lighting start time is delayed and the extinguishing time is advanced and the dimming level at the south and middle times is lowered, and in the spring and autumn dimming pattern P1b, the lighting start time, the extinguishing time, and the dimming at the south and middle times are adjusted. The level is set to be intermediate between the summer dimming pattern P1a and the winter dimming pattern P1c.
[0015]
As described above, the dimming patterns P1a, P1b, and P1c according to the seasons are switched for each actual season for dimming, so that dimming closer to the actual change in sunlight can be performed, and comfort can be improved. It can be further increased. In addition, a worker who works for a long time in a closed place such as a monitoring room can feel a change in season due to a change in light emitted from the artificial window device.
[0016]
Here, the present inventor installs the artificial window device of the present embodiment described above on the wall of a closed room without a window, and in addition to the base lighting, the artificial window device irradiates the room with light and does not irradiate the room. A psychological evaluation experiment of comfort by five subjects was performed, and the result is shown in FIG. FIG. 6A shows the result of impression evaluation of a room. When the artificial window device is operated and when it is not operated, a comfort evaluation item, for example, whether the room feels an “open” space or “ A plurality of items such as “closed” space, “bright” or “dark” were responded in 7 stages. In addition, the result when the horizontal plane illuminance on the floor of the room is 200 lux when the artificial window device is operated is represented by a solid line, and the result when the artificial window device is not operated is represented by a dotted line. Thus, as is clear from FIG. 5A, it can be seen that when the artificial window device is operated, a comfortable psychological effect is given to all the items examined. FIG. 5B shows the evaluation result when it is assumed that the user is talking in the room. When the artificial window device is operated, the horizontal illuminance on the floor of the room becomes 200 lux. The result in the case of doing so is represented by a solid line, and the result in the case where the artificial window device is not operated is represented by a dotted line. Even in this case, it is obvious that a comfortable space can be provided by operating the artificial window device. Furthermore, (c) in the figure shows the evaluation result when a rest room is assumed, and the result when the horizontal illuminance on the floor of the room is 100 lux when the artificial window device is operated is shown. The results when the solid window and the artificial window device are not operated are respectively represented by dotted lines. In this case, good evaluation results have been obtained for comfort in terms of "relaxed" and "easy to get tired". In this case as well, a comfortable space can be provided by operating an artificial window device It is clear that.
[0017]
(Embodiment 2)
This embodiment includes a plurality of types of light sources having different light colors, and is characterized in that the light radiated indoors through the transmission unit 2 is adjusted by dimming each light source by the dimming control unit 5. Since other basic configurations are the same as those in the first embodiment, the common configurations are denoted by the same reference numerals, and illustration and description thereof are omitted.
[0018]
As a light source, for example, a fluorescent lamp 3a having a light bulb color having a relatively low color temperature and a fluorescent lamp 3b having a daylight color having a relatively high color temperature are used, and transmission inside the window frame 1 is performed as shown in FIG. On the back side of the unit 2, fluorescent lamps 3a and 3b of the respective colors are arranged side by side in the horizontal direction with the axial direction substantially coincided with the vertical direction and with the height aligned. Here, the arrangement of the fluorescent lamps 3 is not limited to this. For example, as shown in FIG. 5B, the arrangement is such that the axial directions are substantially coincided with the vertical directions and the heights are arranged alternately in the horizontal direction. Or, instead of inside the window frame 1, it may be arranged around the window frame 1 so as to be substantially parallel to each side of the window frame 1 as shown in FIG. However, in this arrangement, a light guide plate, a reflecting mirror, or the like is used to guide the light of each fluorescent lamp 3 to the transmission part 2 inside the window frame 1. Further, as shown in FIGS. 8A to 8C, two fluorescent lamps 3a and 3b of each color may be arranged as one set in the same manner as in FIGS. 7A to 7C.
[0019]
Also in the present embodiment, the dimming control unit 5 dims the fluorescent lamps 3a and 3b of the respective colors in accordance with the dimming pattern stored in the storage unit in common with the first embodiment. At this time, by changing the ratio of the light amount of each color fluorescent lamp 3a, 3b to the total light amount, the light of each fluorescent lamp 3a, 3b irradiated indoors through the transmission part 2 is mixed to obtain a desired light color. It is done. That is, a dimming pattern is set for each of the fluorescent lamps 3a and 3b of each color. For example, the total amount of light follows the daily change of sunlight as in the dimming pattern P1 described in the first embodiment. Increasing the dimming level of the fluorescent lamp 3b with the higher color temperature makes the light blue, and in the evening, increasing the dimming level of the fluorescent lamp 3a with the lower color temperature makes the light red. The inside may be a dimming (toning) pattern in which the dimming levels of the fluorescent lamps 3a and 3b are made substantially uniform to produce whitish light.
[0020]
Thus, according to the present embodiment, the dimming control unit 5 dimmes the fluorescent lamps 3a and 3b having different light colors, thereby toning the light irradiated indoors through the transmission unit 2. Therefore, for example, it is possible to reproduce the change of the light color of sunlight in the day, such as being bluish in the morning, whitish in the daytime, and reddish in the evening, and the comfort can be further improved .
[0021]
【The invention's effect】
According to the first aspect of the present invention, a window frame disposed on an indoor construction surface, a transmissive part having diffusion permeability and provided so as to cover the inside of the window frame, and irradiating light indoors through the transmissive part A light source, a light control means for adjusting the light source with a light control pattern that closely follows a change in daylight of sunlight, and a storage means for storing the light control pattern , from sunrise to sunset The dimming level fluctuates finely within a short period of time, following the first dimming pattern in the shape of a mountain with a dimming level of 100% at the time in the south and the sun, and the luminance change in a situation where the sun is visible and hidden between clouds. The second dimming pattern is stored in the storage unit, and the dimming unit performs dimming over a long span of one day according to the first dimming pattern and for a short time according to the second dimming pattern. since dimming a short span of, indoors through the transmissive portion The area where the shining light feels like real sunlight, and people in the room can communicate with the outside world in a pseudo manner, creating a comfortable environment, and where the window frame is installed By dimming with a dimming pattern corresponding to the conditions of the place such as, there is an effect that the actual change in sunlight can be reproduced more faithfully and the comfort can be improved .
[0022]
The invention of claim 2 comprises a plurality of types of light sources having different light colors, and the light control means adjusts the light emitted indoors through the transmission part by adjusting the light sources. It is possible to reproduce the change in the light color of the sunlight in the day, such as bluish in the morning, whitish in the daytime, and reddish in the evening, which has the effect of further improving comfort.
[Brief description of the drawings]
1A and 1B show a first embodiment, in which FIG. 1A is a front view of a window frame, and FIG. 1B is a schematic configuration diagram of the window frame as viewed from the back side.
FIGS. 2A to 2C are explanatory views for explaining an arrangement example of fluorescent lamps in the above.
FIG. 3 is a diagram showing an example of a dimming pattern in the same as above.
FIG. 4 is a diagram showing an example of a dimming pattern in the same as above.
FIG. 5 is a diagram showing an example of a dimming pattern in the above.
FIG. 6 is an explanatory diagram for explaining the result of the psychological experiment in the same as above.
FIGS. 7A to 7C are explanatory diagrams for explaining an arrangement example of fluorescent lamps in Embodiment 2. FIGS.
FIGS . 8A to 8C are explanatory views for explaining another arrangement example of the fluorescent lamp in the above .
[Explanation of symbols]
DESCRIPTION OF SYMBOLS 1 Window frame 2 Transmission part 3 Fluorescent lamp 4 Ballast 5 Dimming control part

Claims (2)

A window frame disposed on an indoor construction surface, a transmissive part having diffusion permeability and provided to cover the inside of the window frame, a light source for irradiating light indoors through the transmissive part, A dimming level for dimming the light source with a dimming pattern that closely follows a change in a day, and a storage unit for storing the dimming pattern, and a dimming level at a time between south and middle between sunrise and sunset A first dimming pattern in the form of a mountain with 100%, and a second dimming in which the dimming level fluctuates finely in a short time following the change in luminance in a situation where the sun is visible and hidden between clouds. A pattern is stored in the storage unit, and the dimming unit performs dimming in a long span of one day according to the first dimming pattern and dimming in a short short span according to the second dimming pattern. An artificial window device characterized by that. The artificial light according to claim 1 , comprising a plurality of types of light sources having different light colors, wherein the light control means adjusts light emitted indoors through the transmission unit by adjusting the light sources. Window equipment .

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