JP2012026151A - Building - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide a building that allows a plurality of solar panels with high power generation efficiency to be provided thereon.SOLUTION: A building 100 has solar panels 70a, 70b provided on an upper face part of a roof 40 and a eaves-soffit part 42. A reflector 82 that reflects sunlight to irradiate the solar panel 70b on the eaves-soffit part 42 is provided at least above an opening formed in a wall surface, and on a foundation part 20.

Description

  The present invention relates to a building, and more particularly to a building capable of obtaining electric energy and heat energy using sunlight.

  In order to effectively use sunlight that can be said to be infinite energy, solar power generation panels and solar heat absorption panels that are used by being arranged on the upper surface of a roof of a building are provided. Since power generation and hot water supply become possible by using a solar power generation panel and a solar heat absorption panel, consumption of energy required for these power generation and hot water supply can be eliminated. That is, since it is possible to reduce the consumption of fossil fuel and the emission of carbon dioxide, it is widely used suitably.

As such a photovoltaic power generation panel and a solar heat absorption panel, the structure currently disclosed by the patent document 1 and the nonpatent literature 1, for example is known.
The heat collector currently disclosed by patent document 1 is installed and used on the upper surface of the roof of a building, and uses the parabolic reflector which has a focal point in order to make sunlight heat-absorb efficiently in a heat carrier supply pipe. It has. The photovoltaic power generation panel disclosed in Non-Patent Document 1 is also used by being installed on the roof of a building, and generates power by sunlight.

JP 2008-232524 A

West Holdings Co., Ltd. “Solar Life Supports Living with Solar Power [Solar Life] General Site for Solar Power Generation, Solar Panels, and All Electrification”, [online], [Search July 16, 2010], Internet <URL: http : //www.solarlife.jp/>

Since the photovoltaic power generation panels disclosed in Patent Literature 1 and Non-Patent Literature 1 are both arranged on the upper surface of the roof of a building, the installation area of the photovoltaic power generation panel is normal in a building. It is impossible to exceed the roof area of the building.
In consideration of the power generation efficiency of the solar power generation panel, the solar power generation panel is mostly disposed only on the south roof of the building. That is, the installable area of the photovoltaic power generation panel in the building is further reduced. Therefore, in small buildings, the installation of photovoltaic power generation panels often makes it impossible to recover the investment amount when comparing the life of the solar post-generation panel and the period required to recover the investment amount. There is a problem that even a person who wants to install it becomes extremely difficult to install.

  The present invention aims to provide a building in which a large number of solar panels with good power generation efficiency can be installed in order to absorb more solar energy and produce more energy. Yes.

  That is, in the present invention, a solar panel is disposed on the upper surface portion and the eaves portion of the roof, and a reflector that irradiates the solar panel disposed on the eaves portion by reflecting sunlight, The building is characterized in that it is disposed at least at an upper position of the opening portion among the upper position of the opening portion provided on the wall surface and the base portion.

  By adopting the structure of the building in the present invention, the solar panel is also installed in the back part of the eaves which is not conventionally used as the installation location of the solar panel, and the reflected light of the sunlight is used as the sunlight of the eaves part. The panel can be irradiated. Thereby, the installation area of the solar panel which can produce energy efficiently with a solar panel can be increased. Therefore, the installation profitability of the solar panel can be improved even in a small building. Thereby, the solar panel installation object building with favorable profitability can be increased significantly, and the energy production amount using sunlight can be increased significantly.

It is a schematic side view of the building concerning this embodiment. It is the whole building perspective view concerning this embodiment. FIG. 3 is a partially transparent perspective view showing a state of an eaves back portion of FIG. 2.

DESCRIPTION OF EXEMPLARY EMBODIMENTS Hereinafter, preferred embodiments of a building according to the invention will be described in detail with reference to the accompanying drawings. FIG. 1 is a schematic side view of a building according to the present embodiment. FIG. 2 is an overall perspective view of the building according to the present embodiment. 3 is a partially transparent perspective view showing the state of the eaves back portion of FIG.
As shown in FIG. 1, a building 100 according to this embodiment includes a foundation 10, a frame structure including a base 20, a wall material 30, a roof 40, and a general wooden building 60 having a window 50. The solar power generation panels 70a and 70b disposed on the roof 40 and the eaves back part 42, and the reflector 82 for reflecting the sunlight to the solar power generation panel 70b disposed on the eaves back part 42. ing. In the present embodiment, the solar power generation panels 70a and 70b are used as the solar panels, but the solar energy collection panel is used in addition to the solar power generation panels 70a and 70b to absorb solar energy as thermal energy. Can also be adopted.

  The wooden building 60 constructs a frame structure in which known frame members such as columns, beams, girders, etc. are framed together with the base 20 installed and fixed on the rising portion 12 of the foundation 10 formed of reinforced concrete. The wall member 30, the roof 40, and the window 50 are appropriately disposed on the frame structure. Since the configuration and construction method of such a wooden building 60 are well known, detailed description thereof is omitted here.

In the wooden building 60 in the present embodiment, photovoltaic power generation panels 70a, 70b, and 70c are arranged on the south side upper surface of the roof 40, the eaves back part 42 on the south side, and part or the entire surface of the wall material 30 on the east and west surfaces. Has been. The photovoltaic power generation panel 70a on the upper surface on the south side of the roof 40 and the photovoltaic power generation panel 70c of the wall material 30 can be installed by a known method. Specifically, if the solar panel described in Japanese Patent Application No. 2010-145555 or the outer wall material panel described in Japanese Patent Application No. 2010-125204 is used by the present inventor, the installation of these solar power generation panels 70a and 70c is facilitated. It can be done conveniently.
The photovoltaic power generation panel 70 b in the eaves back portion 42 is arranged in such a manner that the light receiving surface (upper surface) of the photovoltaic power generation panel 70 b faces the south side wall surface of the wooden building 60. What is necessary is just to fix the solar power generation panel 70b to the eaves back part 42 using a well-known mounting bracket.

The photovoltaic power generation panels 70a, 70b, 70c arranged in the wooden building 60 as described above pass through a known adjusting device (not shown) such as a power conditioner, and then the storage battery 72 and the commercial power supply unit ( (Not shown).
In addition, a changeover switch is provided for switching between a circuit for charging the storage battery 72 with electric energy generated by the photovoltaic power generation panels 70a, 70b, and 70c and a circuit for selling power to an electric power company as necessary. Also good.

The photovoltaic power generation panel 70 b is disposed on the eaves back portion 42 along the extending direction of the eaves on the south side of the roof 40. As described above, the photovoltaic power generation panel attached to the wall member 30 by disposing the photovoltaic power generation panel 70b on the eaves back portion 42 of the roof 40 that has not been used as an installation location of the photovoltaic power generation panel in the past. Together with the panel 70c, the installation area of the photovoltaic power generation panel can be greatly increased.
In particular, since the eaves back part 42 is a part that is not exposed to direct sunlight or wind and rain, the solar power generation panel 70b disposed in the eaves back part 42 is suppressed from temperature rise and surface contamination of the solar power generation panel 70b, This is a preferable arrangement position in that it is possible to prevent a decrease in power generation efficiency of the photovoltaic power generation panel 70b due to a temperature rise or contamination of the light receiving surface. Even if the surface of the solar power generation panel 70b becomes dirty, the surface of the solar power generation panel 70b can be cleaned safely and easily without climbing on the roof 40 if the back portion 42 is provided. .

In the building 100 in the present embodiment, a reflector 82 for irradiating light to the photovoltaic power generation panel 70b disposed on the eaves back portion 42 on the south side is disposed on the upper surface of the eaves 80. Generally, the eaves 80 are disposed at an upper position of the window 50 that is an opening provided on the wall surface of the building 100, and also have a function of blocking the irradiation of excess sunlight to the living space. It can be said that it is convenient in the point which can improve the shielding function of the sunlight to living space by setting it as the eaves 80 which provided the reflecting plate 82 like this embodiment. In addition, for the solar power generation panel 70b corresponding to the portion where the wall 80 is not disposed on the south side wall surface of the building 100, the reflector 82 is disposed on the upper portion or the base 20 portion of the rising portion 12 of the foundation 10. May be. As the reflecting plate 82 disposed on the foundation 10 or the base 20 portion, it is preferable to apply a small reflecting plate 82 having a reflecting surface formed into a curved surface.
In addition, by using the reflection plate 82 having a wide reflection angle, it is possible to adopt a form of the building 100 in which the reflection plate 82 is disposed only in the normal ridge 80 portion.

  The reflecting plate 82 in the present embodiment uses a flat mirror reflecting plate formed on a mirror surface having a reflecting surface that is a flat surface, but a concave surface mirror reflecting plate in which the cross-sectional shape of the reflecting surface is formed in a parabolic shape, or a cylinder Although the thing of the form which has arrange | positioned the reflecting material on the outer surface of a body can also be used, the reflecting plate 82 is not limited to these specific examples.

The reflection plate 82 is configured to be able to efficiently irradiate the solar power generation panel 70b arranged on the eaves back part 42 with reflected sunlight according to the irradiation angle of sunlight to the reflection plate 82. Is required.
Therefore, in the present embodiment, the reflector angle adjusting means 84 for adjusting the inclination angle of the reflector 82 with respect to the photovoltaic power generation panel 70b and the operation of the reflector angle adjusting means 84 in order to track the reflector 82 with the movement of the sun. And a control unit 90 for controlling. Thereby, the inclination angle of the reflecting plate 82 with respect to the solar panel 70b is always the optimum inclination state with respect to the irradiation angle of sunlight (the irradiation state of the reflected light from the reflecting plate 82 to the solar power generation panel 70b is the strongest). A certain state) can be maintained.

The reflector angle adjusting means 84 can be configured by a micromotor, a fluid cylinder device, or the like. The control unit 90 includes a light detection sensor 92, a sunlight irradiation angle calculation unit 94, and a signal output unit 96.
The power obtained by the photovoltaic power generation panels 70a, 70b, and 70c disposed in the building 100 can also be used as the power source of the reflector angle adjusting means 84 and the control unit 90.

The light detection sensor 92 detects the irradiation angle of sunlight on the reflection plate 82.
The sunlight irradiation angle calculation means 94 calculates the irradiation angle of sunlight on the reflection plate 82 from the light reception signal detected by the light detection sensor 92.
The signal output unit 96 generates and transmits an operation signal of the reflector angle adjusting unit 84 based on the irradiation angle of sunlight on the reflector 82 calculated by the sunlight irradiation angle calculating unit 94.
Such a sunlight irradiation angle calculation means 94 and signal output means 96 include a storage means in which a reflector control program is stored in advance, and a CPU (based on a detection signal of the light detection sensor 92 and the reflector control program). (Both not shown) can be configured by a personal computer. The reflector control program is provided so that the inclination angle (installation angle) with respect to the wall surface of the reflector 82 arranged on the bowl 80 and the reflector 82 arranged on the base portion 10 or the base 20 can be adjusted independently. Yes.

In the above embodiment, the description is given using the wooden building 60 by the so-called frame construction method, but the building 100 according to the present invention is a wooden building 60 constructed by a construction method other than the frame construction method. Of course, the present invention can also be applied to a building having a concrete structure and a building having a steel structure.
In the above embodiment, the reflector 82 is attached to the ridge 80. However, the reflector 82 itself may be used as the ridge 80.

Moreover, in the above embodiment, although the photovoltaic power generation panels 70a and 70c are arrange | positioned with respect to the wall material 30 of the upper surface and the east-west surface of the roof 40, arrangement | positioning of the photovoltaic power generation panel 70c to the wall material 30 is arrange | positioned. The setting may be omitted.
Further, when a solar heat collecting panel is adopted as the solar panel instead of the solar power generation panel 70, the heat energy collected by the solar heat collecting panel is directly used as heat energy such as a heat source of a hot water supply facility. It is also possible to convert thermal energy into electrical energy.

  In this embodiment, when adjusting the inclination angle of the reflecting plate 82 with respect to the eaves back part 42, the control unit 90 including the light detection sensor 92, the sunlight irradiation angle calculation means 94, and the signal output means 96. However, the annual zodiac information corresponding to the position of the building 100 (information about the sun's trajectory in the year) is stored in advance in the storage means, and the reflector is obtained from the annual zodiac information based on the date / time information. The angle of sunlight irradiating 82 is read and the operation of the reflector angle adjusting means 84 is controlled, and the reflector tilt angle information based on the annual ecliptic information is stored in advance in the storage means and reflected based on the date and time information. A mode of controlling the operation of the plate angle adjusting means 84 can also be adopted. This embodiment is advantageous in that the arrangement of the light detection sensor 92 and the calculation process of the inclination angle of the reflecting plate 82 by the sunlight irradiation angle calculation means 94 can be omitted.

DESCRIPTION OF SYMBOLS 10 Base 12 Standing part 20 Base 30 Wall material 40 Roof 42 Eaves back part 50 Window 60 Wooden building 70a, 70b, 70c Solar power generation panel 80 庇 82 Reflector 84 Reflector angle adjustment means 90 Control part 92 Light detection sensor 94 Sunlight irradiation angle calculation means 96 Signal output means 100 Building

Claims (4)

Solar panels are placed on the top and back of the roof,
A reflector that reflects sunlight and irradiates the solar panel disposed on the back of the eaves with light is at least an upper portion of the opening portion and an upper portion of the opening portion provided on the wall surface. A building characterized by being placed in a position.   The building according to claim 1, wherein the reflecting plate is disposed as an eave at an upper position of the opening. Reflector angle adjusting means for adjusting an inclination angle of the reflector with respect to the solar panel of the eaves part to an arbitrary angle;
Based on the irradiation angle of the sunlight to the reflection plate, the optimal inclination angle of the reflection plate is calculated so that the irradiation intensity of the reflected light of the sunlight by the reflection plate with respect to the solar panel at the back of the eaves becomes the strongest. And a control unit for controlling the operation of the reflector angle adjusting means so that the inclination angle of the reflector becomes the optimum inclination angle. Building.   The said solar panel is electrically connected to the storage battery, The building as described in any one of Claims 1-3 characterized by the above-mentioned.