JP3171860U - Sunlight receiving device - Google Patents

Abstract

The present invention provides a sunlight receiving and irradiating device that can easily and appropriately guide sunlight to an irradiated area that is behind a light shielding object such as a high-rise building. A solar light receiving and irradiating apparatus for irradiating sunlight to an irradiated area that cannot receive sunlight directly by a light shielding object, and is a sunlight receiving means for directly receiving sunlight. And a light receiving sunlight irradiation means 6 for irradiating the irradiated area with sunlight received by the mirror section 4 as the sunlight receiving means. [Selection] Figure 2

Description

  The present invention relates to a solar light receiving and irradiating device, and more particularly, to a solar light receiving and irradiating device suitable for irradiating sunlight to a place where sunlight is not directly irradiated.

  In recent years, in urban areas and the like, a wide light-blocking region in which sunlight is blocked by a high-rise building has been generated. Further, plants such as flowers, trees, and vegetables grown in such a light-shielding region may cause poor growth due to lack of sunlight.

  In addition, as a technique for making up for the lack of sunlight of plants, for example, as shown in Patent Document 1, the sunlight is guided to the plants grown inside the building using an optical fiber. Techniques to do this have been proposed.

JP-A-11-232915

However, since plants are often grown over a wide area outdoors such as a light-shielding region of a high-rise building, the irradiated region that needs to be irradiated with sunlight often has a large area.
On the other hand, the light guide system using the optical fiber has a problem that it is difficult to sufficiently illuminate a large area to be irradiated because the light irradiable area is small.

  In other words, conventionally, no effective proposal has been made for a technology that can easily and appropriately guide sunlight to an irradiated area behind a light-shielding object such as a high-rise building. It was a fact.

  Therefore, the present invention has been made in view of such problems, and for example, it is possible to easily guide sunlight to the irradiated area that is behind a light-shielding object such as a high-rise building. An object of the present invention is to provide a sunlight receiving and irradiating device.

  In order to achieve the above-described object, the solar light receiving and irradiating device according to the first aspect of the present invention is a solar for irradiating sunlight to an irradiated area where sunlight cannot be directly received by a light blocking object. A light receiving and irradiating device, comprising: a sunlight receiving unit that directly receives sunlight; and a received sunlight irradiation unit that irradiates the irradiated area with sunlight received by the sunlight receiving unit. Features.

  According to the first aspect of the present invention, the sunlight receiving means directly receives sunlight and then irradiates the irradiated area with the sunlight received by the received sunlight irradiating means. It is possible to irradiate the irradiated area where light cannot be directly received with sunlight.

  Moreover, the solar light receiving and irradiating device according to the second aspect of the present invention is the same as in the first aspect, in which the solar light receiving means receives the sunlight and reflects it so as to collect the light toward the focal side. The solar light receiving and irradiating device main body includes a condensing sunlight reflecting means that reflects the sunlight collected by the rotating secondary concave curved surface so as to irradiate the light receiving sunlight irradiating means. It is characterized by that.

  According to the second aspect of the present invention, the sunlight received by the rotating concave concave surface of the sunlight receiving means is reflected so as to be condensed toward the focal side, and the condensed sunlight is collected sunlight. A large amount of sunlight is irradiated onto the irradiated area by being reflected by the reflecting means toward the received sunlight irradiation means.

  The solar light receiving and irradiating device according to the third aspect of the present invention is the mirror according to the second aspect, in which the received light solar irradiating means reflects the received sunlight to irradiate the irradiated area. It has a body.

  According to the third aspect of the present invention, it is possible to irradiate the irradiated area where sunlight cannot be directly received by the light shielding object using a simple-structured mirror body.

Moreover, the sunlight reception light irradiation apparatus of the 4th aspect which concerns on this invention is a predetermined light with respect to the said irradiation area | region with respect to the said irradiation area | region. A light guide means for guiding light to an irradiation position, and the light guide means is formed entirely on a tubular body extending from the sunlight receiving means side toward the irradiation position side, and on an inner peripheral surface of the tubular body. The sunlight incident from one opening on the sunlight receiving means side in the tube is guided to the other opening in the tube serving as the irradiation position by reflection on the reflecting surface. And it is made to radiate | emit toward the said to-be-irradiated area | region from the said other opening.
According to the fourth aspect of the present invention, it is possible to optimize the irradiation position of sunlight with respect to the irradiated area by the light guide means, and it is possible to realize the light guide means with a simple configuration.

  Moreover, the sunlight received light irradiation apparatus of the 5th aspect which concerns on this invention is a to-be-irradiated area | region in the 3rd or 4th aspect in which the light reception sunlight irradiation means receives the sunlight received by the said sunlight light reception means. It has a light divergence means to irradiate so that it may diverge toward.

  According to the fifth aspect of the present invention, since the sunlight received by the sunlight receiving means can be diverged by the light diverging means, a wide irradiation area can be efficiently illuminated.

  Moreover, the sunlight reception irradiation apparatus of the 6th aspect which concerns on this invention WHEREIN: In any one of the 1st to 5th aspect, the sunlight reception irradiation apparatus main body was received according to the movement on the ecliptic of the sun. It is formed to be movable so as to irradiate the sunlight toward the irradiated area.

  According to the sixth aspect of the present invention, the solar light receiving and illuminating device moves in response to the movement of the sun on the ecliptic, and the sunlight is continuously applied to the irradiated area where the sunlight cannot be directly received by the light shielding object. Can be irradiated.

  Moreover, the solar light receiving and irradiating device according to the seventh aspect of the present invention is the solar light receiving and irradiating device according to any one of the first to sixth aspects, wherein the solar light receiving and irradiating device body is on the light shield or against the light shield It is a position facing the direct light direction side of light, and is installed at a position equal to or higher than the light shielding object.

  According to the seventh aspect of the present invention, solar light reception that is located on the light shielding object or on the light directing direction side with respect to the light shielding object and at a position equal to or higher than the light shielding object. An irradiation apparatus can irradiate sunlight to the irradiated area which cannot receive sunlight directly with a light-shielding object.

  According to the present invention, for example, sunlight can be easily and appropriately guided to an irradiated region that is behind a light blocking object such as a high-rise building.

The perspective view which shows the outline | summary of 1st Embodiment of the sunlight received light irradiation apparatus which concerns on this invention. The block diagram which shows the 1st aspect in 1st Embodiment. The block diagram which shows the 2nd aspect in 1st Embodiment. The block diagram which shows the 3rd aspect in 1st Embodiment. The block diagram which shows the 4th aspect in 1st Embodiment. The block diagram which shows 2nd Embodiment of the sunlight received light irradiation apparatus which concerns on this invention

(First embodiment)
Hereinafter, a first embodiment of a sunlight receiving and irradiating device according to the present invention will be described with reference to FIGS. 1 to 5.

  As shown in FIG. 1, the sunlight receiving and irradiating apparatus 1 in the present embodiment irradiates the irradiated region 3 where sunlight cannot be directly received by the light blocking object 2 such as a high-rise building behind. For this reason, it is a position facing the light shielding object 2 on the side of direct sunlight, and is installed at a position equal to or higher than the light shielding object 2. In the example of FIG. 1, the solar light receiving and irradiating device 1 is installed at the front edge of the roof in a high-rise building opposite to the irradiated area 3 with respect to the high-rise building that is the shade 2.

  Such a solar light receiving and irradiating device 1 includes a solar light receiving unit that directly receives sunlight and a received light solar irradiation unit that irradiates the irradiated region 3 with sunlight received by the solar light receiving unit. Has been.

(First aspect)
FIG. 2 shows a first mode of the solar light receiving and irradiating apparatus 1 as an example of a specific configuration of the solar light receiving and irradiating apparatus 1 in the present embodiment.

  As shown in FIG. 2, the solar light receiving and irradiating apparatus 1 in this aspect includes a rectangular flat plate-shaped mirror portion 4 as a solar light receiving means, and this mirror portion 4 is a front surface on the light shielding object 2 side. Are formed on a flat mirror surface (reflection surface) 4a of aluminum, silver or the like. As shown in FIG. 2, the mirror unit 4 is attached to the inside of the housing 5 by a known attachment means. However, the housing 5 is configured so that the front and upper portions thereof are always open, made openable, or made of a translucent material so that the mirror unit 4 can receive sunlight. ing. Such a mirror part 4 receives sunlight directly by direct sunlight incident on the mirror surface 4a. And the mirror part 4 reflects the sunlight which injected into the mirror surface 4a according to Snell's law (law of reflection). The posture of the mirror unit 4 (the inclination of the mirror surface 4a) is preferably set so that the reflection direction of sunlight by the mirror unit 4 in the desired time zone faces the irradiated region 3 side.

  In addition, as shown in FIG. 2, in this embodiment, a concave lens portion serving as a light diffusing means in the received sunlight irradiating means is located at a position on the reflection side of sunlight with respect to the mirror part 4 (lower right diagonal in FIG. 2). 6 is arranged. The posture of the concave lens portion 6 is set so that the irradiated region 3 is positioned on the extension line of the optical axis OA. Similarly to the mirror part 4, the concave lens part 6 is attached to the housing 5 by a known attachment means. From the viewpoint of efficiently capturing sunlight, it is desirable that the effective aperture of the concave lens portion 6 be as close as possible to the size of the mirror portion 4. Sunlight reflected by the mirror unit 4 is incident on the concave lens unit 6. And the concave lens part 6 irradiates so that the incident sunlight may diverge toward the to-be-irradiated area | region 3. As shown in FIG.

  According to such a configuration of this aspect, the mirror unit 4 directly receives sunlight, and then irradiates the irradiated region 3 with sunlight received by the concave lens unit 6, whereby the sunlight is received by the light shielding object 2. Sunlight can be simply and appropriately supplied to the irradiated region 3 that cannot directly receive light. Further, since the received sunlight can be diverged by the concave lens portion 6, it is possible to efficiently illuminate a wide area to be irradiated 3.

(Second aspect)
Next, FIG. 3 shows a second mode of the solar light receiving and irradiating apparatus 1 in the present embodiment.

  As shown in FIG. 3, the solar light receiving and irradiating device 1 in this aspect includes the mirror part 4 as the solar light receiving means and the concave lens part 6 as the light diverging means described in the first aspect. Furthermore, the light guide part 7 as a light guide means which comprises a light reception sunlight irradiation means with the concave lens part 6 is provided.

  The light guide unit 7 is configured to guide the sunlight received by the mirror unit 4 to a predetermined irradiation position with respect to the irradiated region 3. Specifically, as shown in FIG. 3, the light guide unit 7 has a tubular body 8 that extends from the mirror unit 4 side toward the irradiation position side (lower right side), and an entire inner surface of the tubular body 8. And a reflecting surface 9 formed on the surface. The tube body 8 may be formed of a suitable material such as plastic or metal. Moreover, you may form the reflective surface 9 with the material excellent in reflectance, such as aluminum and silver. Furthermore, it is desirable that the opening 8a on the mirror unit 4 side in the tubular body 8 be as close as possible to the mirror unit 4, but it is necessary to suppress the incident to the mirror unit 4 so as not to interfere with the incidence of sunlight. On the other hand, the opening 8b on the irradiation position side in the tubular body 8 is an irradiation position of the guided sunlight, and the concave lens portion 6 described above is disposed in the opening 8b. Both openings 8a and 8b may have the same diameter or may not have the same diameter. Moreover, the tubular body 8 is not limited to a cylindrical shape, and may be a rectangular tube shape, for example. Such a light guide unit 7 is configured such that sunlight incident from one opening 8a on the mirror unit 4 side in the tube 8 is reflected by the reflection surface 9 at least once, and the other light in the tube 8 serving as an irradiation position. The light is guided to the opening 8b and emitted from the opening 8b toward the irradiated region 3 through the concave lens portion 6.

  According to the configuration of this aspect, the light guide unit 7 can optimize the irradiation position of sunlight with respect to the irradiated region 3 and can realize the light guide unit 7 with a simple configuration. it can.

(Third aspect)
Next, FIG. 4 shows a third aspect of the solar light receiving and irradiating apparatus 1 in the present embodiment.

  As shown in FIG. 4, the sunlight receiving and irradiating device 1 in this aspect is the same as the second aspect in that it includes a light guide part 7 and a concave lens part 6. However, the sunlight receiving and irradiating device 1 in this aspect is different from the first and second aspects in the configuration of the sunlight receiving means and the like.

  That is, as shown in FIG. 4, the sunlight receiving means in this aspect is not the flat mirror part 4 as in the first and second aspects but a concave mirror part 10.

  The concave mirror portion 10 has a rotating parabolic concave mirror surface (reflecting surface) 10a as a rotating secondary concave curved surface made of aluminum, silver, or the like on the front surface on the light shielding object 2 side. Moreover, the concave mirror part 10 is attached to the inside of the housing 5 by a known attachment means. Such a concave mirror part 10 receives sunlight directly by direct sunlight incident on the concave mirror surface 10a. And the concave mirror part 10 reflects the sunlight which injected into the concave mirror surface 10a according to Snell's reflection law. At this time, the reflected light from the concave mirror surface 10a is condensed on the focal side of the paraboloid of revolution which is the center front side with respect to the concave mirror surface 10a, based on the same principle as the parabolic antenna.

  Further, as shown in FIG. 4, the sunlight receiving and irradiating device 1 in this aspect is a convex mirror as a condensed sunlight reflecting means at a position (front position) on the reflection side of sunlight with respect to the concave mirror portion 10. Part 11. The convex mirror portion 11 is formed to have a smaller diameter than the concave mirror portion 10 and is disposed at a position closer to the concave mirror surface 10a than the focal point of the concave mirror surface 10a. The convex mirror portion 11 has a convex surface on the opposite side of the light shield 2 formed on a convex mirror surface (reflecting surface) 11a having a rotating secondary convex curved surface shape using aluminum, silver, or the like. Moreover, the convex mirror part 11 is attached to the inside of the housing 5 by a known attachment means. Sunlight reflected so as to be condensed by the concave mirror portion 10 is incident on the convex mirror surface 11a of the convex mirror portion 11 before the focal point. And the convex mirror part 11 reflects the sunlight which injected into the convex mirror surface 11a toward the concave mirror part 10 side according to Snell's reflection law. The reflected light from the convex mirror surface 11 a is condensed toward the center side of the concave mirror portion 10.

  Further, as shown in FIG. 4, a circular through hole 10 b is formed in the central part of the concave mirror part 10. And the sunlight reflected by the convex mirror surface 11a passes through the concave mirror part 10 through the through-hole 10b. The through hole 10 b may be formed with a smaller diameter than the convex mirror portion 11.

  Furthermore, as shown in FIG. 4, a plate-like mirror body 12 that constitutes the received sunlight irradiating means is located at a position on the side of the sunlight traveling direction with respect to the through hole 10 b (left position in FIG. 4). Has been placed. The mirror body 12 has a flat mirror surface (reflection surface) 12a formed of aluminum, silver, or the like on the front surface on the light shielding object 2 side. The mirror body 12 is attached to the inside of the housing 5 by a known attachment means. Sunlight after being reflected by the convex mirror surface 11a of the convex mirror portion 11 and passing through the through hole 10b is incident on the mirror surface 12a of the mirror body 12. The mirror body 12 reflects sunlight incident on the mirror surface 12a toward the opening 8a in the tube body 8 of the light guide section 7 in accordance with Snell's law of reflection.

  According to such a configuration of this aspect, after sunlight is efficiently captured by the concave mirror surface 10a of the concave mirror portion 10, the sunlight is received by the convex mirror portion 11 on the side of the received sunlight irradiation means 12, 7, 6 side. Therefore, the irradiated region 3 can be illuminated with a sufficient amount of sunlight.

(Fourth aspect)
Next, as a fourth aspect of the present embodiment, the sunlight receiving and irradiating device 1 is movable so as to irradiate the received sunlight toward the irradiated region 3 according to the movement of the sun on the ecliptic. It is possible to form freely.

  For example, as shown in FIG. 5, the mirror unit 4 may be attached to a substantially tuning fork-shaped support member 14 that rotatably supports the vertical axis A1 and the horizontal axis A2. In this case, a mechanism for rotating the mirror unit 4 in accordance with the movement of sunlight is required. As the power source, the first motor M1 for rotating about the vertical axis A1 is used. And a second motor M2 for rotating around the horizontal axis A2. In this case, the rotation control of the motors M1 and M2 may be performed by the control unit 15 such as a CPU electrically connected to the motors M1 and M2. At this time, the control unit 15 operates by executing a program stored in the program storage unit 16 such as a ROM, acquires a time from a known time acquisition device 17 such as a GPS receiver, and corresponds to the acquired time. The attached rotation amount data of the motors M1 and M2 may be read from the data storage unit 18, and rotation control according to the read data may be performed on the motors M1 and M2. In this case, the rotation amount data stored in the data storage unit 18 may be data associated with not only the time but also the season and the month. However, in that case, a device for acquiring the season and the month is required. Such a rotation mechanism may be applied to the constituent parts 6, 7, 10, 11 other than the mirror part 4.

  According to such a configuration of the present aspect, the solar light receiving and irradiating device 1 moves in response to the movement of the sun on the ecliptic, and the sun is applied to the irradiated region 3 in which the sunlight can not be directly received by the light shield 2. Light can be irradiated continuously.

(Second Embodiment)
Next, a second embodiment of the sunlight receiving and irradiating device according to the present invention will be described with reference to FIG.

  As shown in FIG. 6, the solar light receiving and irradiating device 1 in the present embodiment includes the concave mirror part 10, the convex mirror part 11, the concave lens part 6, and the light guide part 7. This is the same as the third aspect.

  However, unlike the first embodiment, the solar light receiving and irradiating apparatus 1 in the present embodiment has an installation position on the light shield 2.

  As shown in FIG. 6, the solar light receiving and irradiating apparatus 1 in the present embodiment has a mirror 12 (see FIG. 4) after the sunlight received by the concave mirror 10 passes through the convex mirror 11 and the through hole 10 b. ) Is immediately guided to the irradiation position by the light guide unit 7 without being interposed, and is irradiated toward the irradiated region 3 by the concave lens unit 6.

  Such a configuration of this aspect is a configuration that can be completed on the side of the building (light-shielding object 2) that holds the irradiated region 3, and therefore, it is easy to take actual measures.

  In addition, this invention is not limited to embodiment mentioned above, A various change can be made in the limit which does not impair the characteristic of this invention.

  For example, the irradiated area may be enlarged by arranging a plurality of sunlight receiving and irradiating devices 1 in parallel.

DESCRIPTION OF SYMBOLS 1 Sunlight receiving and irradiating device 2 Shading object 3 Irradiation area 4 Mirror part 4a Mirror surface 5 Case 6 Concave lens part 7 Light guide part 8 Tubular body 8a, 8b Opening 9 Reflecting surface 10 Concave mirror part 10a Concave mirror surface 10b Through-hole 11 Convex Mirror part 11a Convex mirror surface 12 Mirror body 12a Mirror surface

Claims (7)

A solar light receiving and irradiating device for irradiating sunlight to an irradiated area where sunlight cannot be directly received by a light shield,
Sunlight receiving means for directly receiving sunlight;
A solar light receiving and irradiating apparatus comprising: a light receiving and solar irradiating unit that irradiates the irradiated region with sunlight received by the solar light receiving unit. The sunlight receiving means has a rotating secondary concave curved surface that receives sunlight and reflects it so as to collect it toward the focal side,
The solar light receiving and irradiating device main body is provided with condensing sunlight reflecting means for reflecting the sunlight collected by the rotating secondary concave curved surface so as to irradiate the received light sunlight irradiating means. Item 2. The solar light receiving and irradiating device according to Item 1. The solar light receiving and irradiating apparatus according to claim 2, wherein the light receiving sunlight irradiating unit includes a mirror body that reflects received sunlight and irradiates the irradiated area toward the irradiated region. The light receiving sunlight irradiating means includes light guiding means for guiding sunlight received by the sunlight receiving means to a predetermined irradiation position with respect to the irradiated region,
The light guiding means includes
A tube extending from the sunlight receiving means side toward the irradiation position side;
A reflective surface formed entirely on the inner peripheral surface of the tubular body, and the sunlight incident from one opening on the sunlight receiving means side in the tubular body is reflected by the reflection on the reflective surface. The solar light receiving and irradiating apparatus according to claim 3, wherein the solar light receiving and irradiating apparatus according to claim 3, wherein light is guided to the other opening in the tubular body that is a position, and is emitted from the other opening toward the irradiated region. 5. The light receiving sunlight irradiating means includes a light diffusing means for irradiating so that sunlight received by the sunlight receiving means diverges toward the irradiated region. The solar light receiving and irradiating device described in 1. The solar light receiving and irradiating device main body is formed so as to be movable so as to irradiate the irradiated region with the sunlight received according to the movement of the sun on the ecliptic. The solar light receiving and irradiating device according to claim 5. The solar light receiving and irradiating device main body is located on the light blocking object or at a position facing the light blocking object on the direct sunlight direction side and at a height equal to or higher than the light blocking object. The solar light receiving and irradiating device according to any one of claims 1 to 6.

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