JP2856873B2 - Irradiation unit for artificial sky - Google Patents

Description

DETAILED DESCRIPTION OF THE INVENTION (a) Industrial application field The present invention enables prediction of indoor daylight environment of ordinary houses and atriums, confirmation of light distribution conditions, and experiments of solar radiation and shade. The present invention relates to an artificial sky device.

(B) Conventional technology The artificial sky device itself is conventionally known. And with the artificial sky lighting method, the reflective dome type
A transmission dome type, a direct irradiation dome type, a mirror box type, and the like are known.

However, the reflective dome type has good reproducibility of CIE standard cloudy sky and clear sky, but dimming of brightness is difficult. It is bad and it is difficult to adjust the brightness.

In addition, there has been a direct irradiation type artificial sky device from the past, but there was a problem that the whole sky could not be seen as a continuous sky because many irradiation units arranged in the sky were individually separated. It is.

In addition, the position of the light source lamp has the highest luminance, and among the irradiation units, the bright and dark areas are clear, making it difficult to understand the sky as a surface.

(C) Problems to be Solved by the Invention The present invention provides an artificial sky by arranging a large number of irradiation units on the inner surface of a sky dome, and the light source lamp portion becomes particularly bright for each unit irradiation unit. In order to avoid this problem, a milky white plate is attached to the front of the reflector so that the square milky white plate at the end has the same brightness as much as possible.

In addition, the surface is constructed by arranging many unit irradiation units, but there is a dark part that is not irradiated from either side at the boundary part of each irradiation unit, and this dark part becomes a line and a separation line in the artificial sky Although the present invention is possible, the present invention uses a square milky white plate disposed at the tip of the irradiation unit as a bent plate having a cross-section “U” shape, so that the boundary portion also has a square milky white color. Light transmitted through the plate arrives and dark lines are erased.

(D) Means for Solving the Problems The problems to be solved by the present invention are as described above. Next, means for solving the problems will be described.

By arranging a plurality of pairs of irradiation units U having symmetric adjustment brightness in the east-west direction over the entire sky formed on the inner surface of a hemispherical sky dome D, and performing simulation adjustment for each pair, the sky brightness distribution according to the change in the sun altitude In the irradiation unit U capable of simulating the reflection plate 30, a circular reflector 30 is disposed in a square lamp case 25, and a light source lamp 31 is disposed at a central position of the reflector 30. A milky white plate 32 is arranged, and a rectangular milky white plate 22 is covered at the tip of the lamp case 25.

Further, the square milky white plate 22 attached to the tip of the lamp case 25 is formed by a bent plate having a “U” cross section.

(E) Embodiment The problems to be solved and means to be solved by the present invention are as described above. Next, the configuration of the embodiment shown in the attached drawings will be described.

FIG. 1 is a side view of the sky luminance distribution simulation apparatus of the present invention taken along the center line 0-0, and FIG.
3 is a bottom view showing the position of the center line 0-0 and the arrangement of the irradiation unit U in FIG. 3, FIG. 3 is a plan view showing the positions of the production spotlight 11 and the artificial sun S, and FIG. U is a plan sectional view, FIG. 5 is a side sectional view of the same, and FIG. 6 is a front view.

 This will be described with reference to FIG.

The artificial sky device of the present invention is provided indoors, and an irradiation unit U and an artificial sun S are arranged in a sky dome D.

Outside the sky dome D, a control computer, an electrical equipment control panel, an indoor expansion monitor TV, a lighting console, an artificial sun console, and the like are arranged, and the brightness of the irradiation unit U inside the sky dome D and the artificial sun The position of S can be simulated by remote control.

The control computer controls 853 irradiation units U arranged on the inner surface of the sky dome D. Since the irradiation units U are configured symmetrically in the east and west, the control computer controls 427 sets, and one set is controlled so that the two left and right irradiation units U emit the same luminance.

Just because the irradiation unit U at the position directly above the sky cannot be left-right symmetric, it is one set as a control set,
It is configured to adjust the luminance of one irradiation unit U. Therefore, the number of adjustment circuits by the control computer is 427, and the number of irradiation units U is 853.

The center line 0-0 shown in FIG. 2 indicates the center position of the sky dome D, and the artificial sun S rising above the center line 0-0 to the position of the true sky is provided. The irradiation unit U is 426 symmetrically with respect to the center line 0-0.
They are arranged east and west one by one. The center line 0-
An artificial sun passage gap 10 is formed on the south side of the position 0, and the artificial sun S driven by the artificial sun driving device M moves up and down in the artificial sun passage gap 10.

Further, at a lower position in the sky dome D, a staging light 11 for 45
The tables are arranged. The production spotlight 11 is provided with 15 control circuits for dimming, and the production control spotlight 11 divides the production spotlight 11 into three sets of red, blue, and white, and controls the brightness of each set. Is adjusted.

FIG. 1 is a sectional view taken along the center line 0-0 provided at the east-west branch point of the sky dome D. The hemispherical sky dome D is a portion above the horizon level LL, and the portion below the horizon level LL is a portion below the horizon that does not form the sky portion. A partition 17 is provided circumferentially below the horizon, and a spotlight for production is provided between the outside of the partition 17 and the inner surface of the sky dome D.
There are 11 45 units.

The effect spotlight 11 illuminates with blue and red light to produce an effect scene from a sunrise to a blue sky and a sunset.

853 irradiation units U provided on the inner surface of the sky dome D
Are all configured to irradiate white light, so that the brightness distribution of the sky can be expressed, but the blue sky cannot be expressed. Similarly, since a sunset cannot be expressed as a sunrise, in order to create such a state, the state of the luminance illuminated by the white irradiation unit U is colored with blue and red to produce the effect. .

Although 45 spotlights 11 for the effect are arranged,
There are 15 dimming circuits, and 45 units are covered with blue, red, and white filters, respectively.A blue light spotlight, a red light spotlight, a white light spotlight, It is divided into three sets, and by lighting one of the sets, the blue sky, sunset / sunrise, and white in the daytime are expressed.

In addition, the rotating model table 14
Has been arranged.

The rotary model table 14 is rotated on a horizon level LL by a rotation control drive mechanism N.

Since the artificial sun S moves only 90 degrees from the horizon to the center of the sky, the rotation of the rotary model table 14 creates a morning and an afternoon. At noon, she would be in the southern position, and in the afternoon she would gradually move westward. Then, when the state of the day is expressed, the rotating model stand 14 is returned to the original position in the morning.

In FIG. 1, a house model H is disposed on a rotating model table 14, and a lift table 15 and a lift scissors mechanism 16 are configured so that the house model H can be easily adjusted and placed. I have.

Also, in the sky dome D, when the change in the sky brightness and the change in the artificial sun S for a day are observed, the sun only moves up and down by 90 degrees, and the brightness changes at the same position in the sky. Only if it does not move in the same way as the house model H on the rotating model stand 14, it is impossible to experience a state close to the state of movement of the day.

The same movement as the model house H is performed so that the viewer can experience this state. Experience chair 12 is provided. The experience chair
Reference numeral 12 is fixed to a part of the rotary model stand 14 by a chair supporting rod 13.

With this configuration, the experience chair 12 rotates together with the rotary model table 14, so that the sun rises from the east and sets in the west.

4 to 6, a specific configuration of the irradiation unit U will be described.

The irradiation unit U is fixed to an arc-shaped dome frame 20 constituting the sky dome D by a fastening bolt 27 via a bracket 21 and a fastening plate 28. And dome frame
Since 20 is a pipe material, a triangular groove 21a is formed on the side of the bracket 21 so as to be able to be held tightly against the pipe material, and is sandwiched with an elastic plate 29 interposed therebetween.

A rectangular box-shaped lamp case 25 is attached to the tip of the bracket 21. Inside the lamp case 25, a light source lamp 31 constituted by a mini halogen lamp is provided at the center. The light source lamp 31 uses a mini-halogen lamp, which is a small light source, because halation occurs in a large lamp and uniform brightness cannot be obtained on the entire surface of the square milky white plate 22.

Then, the reflecting plate 30 is set so that the irradiation light from the mini-halogen lamp has uniform brightness on the surface of the square milky white plate 22.
Also, the milky white plate 32 is covered so that the light source of the mini-halogen lamp is transmitted irregularly.

Even with the diffuse transmission of the reflection plate 30 and the milky white plate 32 alone, a uniform irradiation state on the front surface of the irradiation unit U has not yet been obtained.
22 are arranged.

The milky white plate 32 diffuses light from the mini-halogen lamp through the portion reflected by the reflection plate 30, and since the mini-halogen lamp is longer than the milky white plate 32, it is reflected by the reflection plate 30. The direct light that does not pass through the milky white plate 32 comes out on the front of the lamp case 25,
This irradiation light is transmitted irregularly through the square milky white plate 22 to make uniform irradiation light.

Further, the square milky white plate 22 is a bent plate having a U-shaped cross section, and is configured so that light can be transmitted from the side surface of the square milky white plate 22. The light transmitted from the side surface illuminates a dark part of the gap between the adjacent irradiation units U, thereby preventing the boundary line from being formed.

A sliding fixing spring 23 protrudes from the square milky white plate 22 to the inside of the lamp case 25, and is inserted and fixed between the locking fittings 24 inside the lamp case 25.

(F) Effects of the Invention The present invention is configured as described above, and has the following effects.

Since the illumination light from the light source lamp 31 forming one point is reflected by the reflection plate 30 and then diffusely transmitted when passing through the milky white plate 32, the light source and the surrounding light are emitted. The brightness can be made uniform.

Further, since the mini-halogen lamp is protruded from the milky white plate 32 due to its long length, irradiation light coming out of the portion without being reflected by the reflection plate 30 is diffused and transmitted by the square milky white plate 22, so that the whole As a result, uniform irradiation light can be obtained over the entirety of the square milky white plate 22.

Since it is configured as in claim (2), it is necessary to discharge cooling air that has cooled the inside of the sky dome D from between the rectangular irradiation units U, and a gap of 10 mm or less is provided. If there is no illumination light, a dark line will be generated in the sky, but the square milky white plate 22
By forming it in the shape of a letter, the irradiation light could be leaked to the gap, and a dark line could not be formed in the sky.

[Brief description of the drawings]

FIG. 1 is a cross-sectional side view taken along the center line 0-0 of the sky luminance distribution simulation apparatus of the present invention, and FIG. 2 is a bottom view showing the position of the center line 0-0 and the arrangement of the irradiation unit U in the sky dome D. FIG. 3, FIG. 3 is a plan view showing the positions of the production spotlight 11 and the artificial sun S, FIG. 4 is a plan sectional view of the irradiation unit U of the present invention, FIG. It is a front view. D: Sky dome U: Irradiation unit H: House model 22: Square-shaped milky white plate 25: Lamp case 30: Reflector plate 31: Light source lamp 32: Milky white plate

────────────────────────────────────────────────── (5) References JP-A-2-69794 (JP, A) (58) Fields investigated (Int. Cl. ⁶ , DB name) G09B 27/00 G09B 25/04

Claims (2)

(57) [Claims] 1. A plurality of pairs of irradiation units U having symmetrical adjustment brightness in the east and west directions are arranged on the entire surface of the sky formed on the inner surface of a hemispherical sky dome D, and simulation adjustment is performed for each pair. In the irradiation unit U capable of simulating the sky luminance distribution accompanying the change, a circular reflector 30 is arranged in a square lamp case 25, and the reflector
An artificial sky, in which a light source lamp 31 is arranged at a central position of 30, a milky white plate 32 is arranged in front of the reflection plate 30, and a rectangular milky white plate 22 is covered at a tip of a lamp case 25. Irradiation unit equipment. 2. The artificial sky irradiation according to claim 1, wherein the rectangular milky white plate 22 mounted on the tip of the lamp case 25 is formed by a bent plate having a U-shaped cross section. Unit equipment.