JP2014053378A - High efficiency power generation unit and high efficiency power generation array - Google Patents

Abstract

PROBLEM TO BE SOLVED: To heighten generation efficiency by effectively using a site area in a required site, using a required space, and disposing photovoltaic power generation panels as many as possible.SOLUTION: In the high efficiency power generation unit, a both surface light receiving power generation panel is disposed at a vertical frame provided with a reflection panel frame at a bottom part thereof and a reflection panel is disposed at the reflection panel frame. The high efficiency power generation array is constituted of high efficiency power generation units arranged in vertically and horizontally.

Description

  The present invention relates to a solar power generation device with high power generation efficiency.

  In general, when a photovoltaic power generation panel is installed on a horizontal surface such as the ground, it is arranged to be inclined toward the same direction (the optimum incident angle direction of sunlight) in order to increase power generation efficiency.

  However, in this arrangement mode, the shadow of the solar power generation panel covers the light receiving surface of another adjacent solar panel even during the day when the sun is high and the solar radiation intensity is strong, as well as the morning and evening when the sun is tilted. Decreases.

  For this reason, various methods for increasing power generation efficiency have been proposed in solar power generation devices (see, for example, Patent Documents 1 and 2). However, the installation area necessary for installing the required number of solar panels increases, and the open space that does not contribute to power generation increases.

  Patent Document 3 discloses a photovoltaic power generation system in which a photovoltaic power generation panel is installed by effectively utilizing the site area to increase power generation efficiency. However, the solar power generation system disclosed in Patent Document 3 is basically installed with a solar panel inclined on a flat ground, and there is a limit to effective use of the site area.

JP 2001-291889 A JP 2001-152619 A JP 2007-173382 A

  In view of the above-mentioned problems, the present invention increases the power generation efficiency by arranging as many photovoltaic power generation panels as possible in a required site by effectively using the site area and using the required space. It is an object of the present invention to provide an apparatus that solves the problem.

  The present inventors diligently studied a method for solving the above problems. As a result, the present inventors have found that if the photovoltaic power generation panel is arranged vertically, the site area or the required space can be used effectively and the power generation efficiency can be increased.

  This invention was made | formed based on the said knowledge, and the summary is as follows.

  (1) A high-efficiency power generation unit characterized in that a double-sided light-receiving power generation panel is disposed on a vertical frame having a reflection panel frame at the bottom, and the reflection panel is disposed on the reflection panel frame.

  (2) The high-efficiency power generation unit according to (1), wherein the reflection panel frame has a mountain shape, and the reflection panels are on both sides of the double-sided light receiving power generation panel.

  (3) The high-efficiency power generation unit according to (1) above, wherein the reflection panel frame is only on one side and the reflection panel is on one side of the double-sided light receiving power generation panel.

  (4) The high efficiency power generation unit according to any one of (1) to (3), wherein the double-sided light-receiving power generation panel is a combination of single-sided light-receiving power generation panels.

  (5) The high-efficiency power generation unit according to any one of (1) to (4), wherein a condensing sheet is attached to a surface of the double-sided light-receiving power generation panel.

  (6) The high-efficiency power generation unit according to any one of (1) to (5), wherein the reflection panel is configured by sandwiching a heat-shielding reflection sheet with a corrugated sheet.

  (7) A high-efficiency power generation array comprising the high-efficiency power generation units according to any one of (1) to (6) arranged vertically and horizontally.

  According to the present invention, it is possible to provide a solar power generation device that effectively uses the site area, has high power generation efficiency, and contributes to energy saving.

It is a figure which shows the aspect which installed the photovoltaic power generation panel of double-sided light reception vertically. It is a figure which shows the frame | skeleton of the electric power generation unit which comprises a highly efficient electric power generation array. It is a figure which shows the aspect of a reflective panel. It is a figure which shows the electric power generation unit which attached the reflective panel. It is a figure which shows the side aspect of an electric power generation unit. It is a figure which shows the aspect which affixes a condensing sheet on the surface of a double-sided light reception power generation panel. It is a figure which shows the one aspect | mode of this invention electric power generation array. It is a figure which shows the electric power generation array which combined the electric power generation unit vertically and horizontally. It is a figure which shows the plane aspect of the electric power generation array shown in FIG. It is a figure which shows the utilization example of an electric power generation array.

  The present invention will be described with reference to the drawings.

  FIG. 1 shows an aspect in which a solar power generation panel with double-sided light reception (hereinafter sometimes referred to as “double-sided light reception power generation panel”) is installed vertically. A double-sided light receiving power generation panel 1 is attached to the upper part of a steel frame 2 erected on the site 3.

  Since the power generation efficiency is low only by arranging the double-sided light receiving power generation panel vertically, the high-efficiency power generation array of the present invention (hereinafter sometimes referred to as “the present invention power generation array”) has a double-sided light reception in order to increase the power generation efficiency. The basic idea is to arrange a reflective panel that reflects sunlight and guides it to a double-sided light receiving power generation panel at the lower part of the power generation panel.

  However, the double-sided light receiving power generation panel employed in the present invention may be a single power generation panel capable of receiving light on both sides, or may be a laminate of two power generation panels capable of receiving light on only one side.

  First, a power generation unit constituting the power generation array of the present invention (hereinafter also referred to as “the present power generation unit”) will be described.

  FIG. 2 shows a skeleton of the power generation unit of the present invention that constitutes a high-efficiency power generation array (the power generation array of the present invention). A double-sided light receiving power generation panel 1 is attached to the upper part of the steel frame 2, and a reflective panel frame 4 made of steel is attached to the lower part of the double-sided light receiving power generation panel 1 in a mountain shape.

  In FIG. 3, the aspect of the reflective panel attached to the reflective panel frame made from steel frame is shown. The reflection panel 5 is configured by sandwiching a heat shield reflection sheet 6 between corrugated sheets 7. Sunlight L1 to L5 reaching the corrugated sheet 7 is reflected light whose reflection angle is not fixed at 80% or more on the wavefront of the heat-shielding reflective sheet 6. And most of the reflected light reaches the double-sided light receiving power generation panel.

  The corrugated sheet may be made of a material that transmits sunlight, and is not limited to a specific material, but is preferably made of resin in terms of formability, and is preferably made of glass in terms of light transmittance. In addition, polycarbonate is preferable in terms of price.

  The heat-insulating / reflecting sheet sandwiched between the corrugated sheets may be made of a material that blocks heat and reflects sunlight, and is not limited to a specific material. However, when the heat shield reflection sheet is sandwiched between corrugated sheets, the heat shield reflection sheet is preferably made of a material with good moldability.

  FIG. 3 shows the reflection panel 5 in which the heat-shielding reflection sheet 6 is sandwiched between the corrugated sheets 7. However, the reflection panel only needs to have a function of reflecting sunlight, and as long as it has various functions, Can take.

  For example, the wavy heat-shielding reflection sheet may be sandwiched between the wavy glass sheets with one surface (outer surface) being flat and one surface (the surface contacting the heat-shielding reflection sheet). The sunlight reflected by the wave-like heat shield reflection sheet becomes reflected light whose reflection angle is not fixed and goes out of the glass sheet.

  In addition, a flat heat-shielding reflection sheet may be sandwiched between glass sheets having one surface (surface in contact with the heat-shielding reflection sheet) that is flat and one surface (outer surface) that is uneven. In this case, since the unevenness on one side (outer side) serves as a lens, the sunlight reflected by the heat-shielding reflection sheet goes out of the glass sheet as reflected light whose reflection angle is not fixed. become.

  FIG. 4 shows a power generation unit in which four reflection panels 5 are attached to a mountain-shaped reflection panel frame 4 having a double-sided light-receiving power generation panel in the center. In the two reflection panels 5 on one side, the wave direction of the heat-shielding reflection sheet is perpendicular. One of the two reflection panels 5 on one side also has a wave direction of the heat-shielding reflection sheet at right angles. By disposing the reflection panel as described above, most of sunlight can be reflected and supplied to the double-sided light receiving power generation panel 1.

  Although not shown, the power generation unit may be configured by providing the reflection panel frame 4 only on one side of the double-sided light receiving power generation panel and attaching two reflection panels 5 on one side.

  FIG. 5 shows a side aspect of the power generation unit. The sunlight L6 is reflected by the reflection panel 5 and enters the double-sided light receiving power generation panel 1. The reflective panel 5 attached to the mountain-shaped reflective panel frame 2 not only reflects sunlight but also acts to form an air flow for cooling the double-sided light receiving power generation panel 1.

  Since the heat-shielding reflection sheet 6 blocks sunlight, the temperature rise of the base 3a under the reflection panel 5 is small, and the temperature rise of the space between the reflection panel 5 and the base 3a is also small. If the base 3a is made of concrete, for example, the temperature rise is large, but the presence of the reflective panel can greatly suppress the temperature rise of the base 3a.

  The air in the space below the reflection panel 5 rises along the inclination of the reflection panel 5 and reaches the surface of the double-sided light receiving power generation panel 1, but since the temperature rise of the air in the space below the reflection panel 5 is small, the reflection The air that rises along the inclination of the panel 5 and reaches the surface of the double-sided light receiving power generation panel 1 cools the double-sided light receiving power generation panel 1.

  Since the double-sided light-receiving power generation panel 1 is continuously cooled by the rise of air in the space under the reflection panel 5 and the inflow of air into the space under the reflection panel 5, the power generation efficiency of the double-sided light reception power generation panel 1 Will improve.

  Although the power generation efficiency is improved by cooling the double-sided light-receiving power generation panel 1, in order to further increase the power generation efficiency, as shown in FIG. Good. By sticking the condensing sheet on the surface of the double-sided light receiving power generation panel 1, the capture rate of light energy is improved.

  The power generation array according to the present invention is configured by arranging a plurality of power generation units according to the present invention vertically and horizontally. FIG. 7 shows an embodiment of the power generation array of the present invention. The power generation array according to the present invention shown in FIG. 7 is configured by combining two power generation units 9 and two power generation units 9a each having a reflection panel only on one side.

  Since the power generation array of the present invention has no limitation on the number of combinations of power generation units, it can be deployed using the entire site effectively, and can also be installed in various spaces using the maximum space. Is possible.

  FIG. 8 shows an aspect of a power generation array configured by combining power generation units vertically and horizontally. FIG. 9 shows a plan view of the power generation array shown in FIG. It can be seen that the power generation unit 9 and a large number of power generation units 9a having only one side of the reflection panel are combined. In addition, although the dimension was described in FIG. 9, this is an illustration and does not limit the dimension of this invention power generation unit and the scale of this invention power generation array.

  FIG. 10 shows a usage example in which the power generation array of the present invention is installed in the upper space of the parking lot. Thus, if there is a required space, for example, a rooftop of a building, an idle land, etc., the power generation array of the present invention can be configured by combining a required number of power generation units. The power generation array of the present invention can also be arranged on an air conditioner installed on the roof of a building. In this case, the presence of the reflective panel that reflects sunlight suppresses the temperature rise of the air conditioner and enables efficient operation, so that an energy saving effect can be expected.

  As described above, according to the present invention, it is possible to provide a solar power generation device that effectively uses the site area, has high power generation efficiency, and contributes to energy saving. Therefore, the present invention has high applicability in the power generation industry.

DESCRIPTION OF SYMBOLS 1 Double-sided light reception power generation panel 2 Steel frame 3 Site 3a Base 4 Reflection panel frame 5 Reflection panel 6 Thermal insulation reflection sheet 7 Corrugated sheet 8 Condensing sheet 9 Power generation unit 9a Power generation unit with reflection panel only on one side L Sunlight L1 to L6 Sun light

Claims (7)

  A high-efficiency power generation unit characterized in that a double-sided light-receiving power generation panel is disposed on a vertical frame having a reflection panel frame at the bottom, and the reflection panel is disposed on the reflection panel frame.   The high-efficiency power generation unit according to claim 1, wherein the reflection panel frame has a mountain shape, and the reflection panels are on both sides of the double-sided light receiving power generation panel.   The high-efficiency power generation unit according to claim 1, wherein the reflection panel frame is on one side only, and the reflection panel is on one side of the double-sided light receiving power generation panel.   The high-efficiency power generation unit according to any one of claims 1 to 3, wherein the double-sided light-receiving power generation panel is a combination of single-sided light-receiving power generation panels.   5. The high-efficiency power generation unit according to claim 1, wherein a condensing sheet is attached to a surface of the double-sided light receiving power generation panel.   The high-efficiency power generation unit according to any one of claims 1 to 5, wherein the reflection panel is configured by sandwiching a heat-shielding reflection sheet between corrugated sheets.   A high-efficiency power generation array comprising the high-efficiency power generation units according to any one of claims 1 to 6 arranged vertically and horizontally.

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