JP2016123253A - Photovoltaic power generation unit - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide a photovoltaic power generation unit capable of producing crops while generating electric power using a solar cell panel with saved resource and reduced cost by making effective use of a space under the solar cell panel.SOLUTION: The photovoltaic power generation unit includes: a frame 12; one or more solar cell panels 14 disposed on the frame 12; and one or more containers 16 disposed under the solar cell panels.SELECTED DRAWING: Figure 1

Description

  The present invention relates to a photovoltaic power generation unit, and more particularly, to a photovoltaic power generation unit capable of simultaneously performing photovoltaic power generation and crop cultivation at resource and cost savings.

  Recently, from the viewpoint of global warming prevention, etc., it can be used repeatedly without depleting resources, and for renewable energy that emits almost no carbon dioxide that causes global warming during power generation or heat use. Attention is growing. As renewable energy, sunlight, wind power, hydropower, geothermal, biomass, etc. are known. Among them, sunlight is used because it can be easily installed on the roof of ordinary households or on the rooftops of large buildings. Solar power generation facilities are widely used for power sales and private power generation. Attempts have also been made to install solar power generation facilities on idle land such as fallow land.

  Such solar power generation facilities may have solar panels (sometimes called solar panels, solar battery panels, or solar panels) installed on a horizontal surface, but receive sunlight efficiently. In many cases, the solar cell panel is supported at a predetermined inclination angle (inclination gradient) with respect to a horizontal plane using an attachment frame (for example, Patent Documents 1 and 2). Although the inclination angle of the solar cell panel with respect to the horizontal plane varies depending on the latitude of the place where the solar cell panel is installed, for example, a preferable inclination angle in Tokyo is about 35 °.

JP 2014-152545 A JP 2014-163140 A

  By the way, when the solar cell panel is installed so as to have a predetermined inclination angle with respect to the horizontal plane, or when the solar cell panel is installed on the horizontal plane, a space is generated in the lower part of the solar cell panel. However, at present, no attention is paid to the use of this space.

  The present invention mainly aims to provide a solar power generation unit that can produce crops while efficiently generating power by using a solar cell panel, effectively utilizing the space below the solar cell panel, saving resources and cost. And

  The present invention for solving the above-mentioned problems is a photovoltaic power generation unit, comprising a gantry, one or more solar cell panels arranged on the gantry, and one or more containers installed in the lower part of the solar cell panel It is characterized by providing.

  The container may include a hydroponics unit. The container may be a freight shipping container.

  The gantry may support the solar cell panel on an inclined surface. In this case, the container may be disposed on a higher side of the inclined surface of the solar cell panel.

  The container may use power generated by the solar cell panel.

  According to the photovoltaic power generation unit of the present invention, the space under the solar cell panel can be effectively utilized in industry, and it is possible to produce crops while generating power by using the solar cell panel with resource saving and cost saving. it can.

It is a perspective view which shows an example of a solar power generation unit. It is a left view of the photovoltaic power generation unit of FIG. It is a front view of the photovoltaic power generation unit of FIG. It is a right view of the photovoltaic power generation unit of FIG. It is a rear view of the photovoltaic power generation unit of FIG. It is a figure which shows an example which visually recognized the inside from the entrance of the container. It is the schematic which shows an example of a hydroponic cultivation unit. It is a perspective view which shows an example which visually recognized the inside of the container from the front. It is the perspective view which shows an example which visually recognized the inside of the container from back. It is sectional drawing of the large sized container part of the photovoltaic power generation unit of FIG. (A) is sectional drawing of a solar cell panel attachment part, (b) is the elements on larger scale of (a). It is sectional drawing of the small size container part of the photovoltaic power generation unit of FIG. It is a top view which shows the structure of the main building of a mount. It is a top view which shows the arrangement structure of a mount frame and a solar cell panel.

<< Solar power generation unit >>
Hereinafter, an example is given and demonstrated about the solar power generation unit of this invention. As shown in FIGS. 1 to 5, the photovoltaic power generation unit 10 of the present invention includes a gantry 12, a solar cell panel 14, and a container 16. And the solar power generation unit 10 of this invention is characterized by the one or more containers 16 being installed in the lower part of a solar cell panel. The gantry 12, the solar cell panel 14, and the container 16 are essential components in the photovoltaic power generation unit 10 of the present invention. 1 is a perspective view illustrating an example of a photovoltaic power generation unit, FIG. 2 is a left side view of the photovoltaic power generation unit of FIG. 1, and FIG. 3 is a front view of the photovoltaic power generation unit of FIG. FIG. 4 is a right side view of the photovoltaic power generation unit of FIG. 1, and FIG. 5 is a rear view of the photovoltaic power generation unit of FIG. Hereinafter, a specific configuration of the photovoltaic power generation unit will be described. The photovoltaic power generation unit 10 of the present invention is not limited to the embodiment described below as long as the above characteristics are satisfied.

(Frame)
The gantry 12 forms a framework on which the solar cell panel 14 is installed, and includes a roof portion 18 composed of a plurality of rafters and a purlin, and a plurality of columns 20 that support the roof portion 18. The plurality of support columns 20 are erected on a base block, and in the illustrated form, the roof portion 18 is inclined. The roof portion 18 to which the inclination is given supports the solar cell panel 14 on the inclined surface.

  It is preferable that the base block has a weight that prevents the support column 20 from overturning due to wind pressure load or the like. Examples of such blocks include reinforced concrete blocks. In addition, a block is arbitrary structures in the solar power generation unit 10 of this invention. In the illustrated form, the rafters and purlins of the roof 18 and the columns 20 are arranged at intervals designed to obtain the required strength. Moreover, you may provide the fence member 22 which connected the some support | pillar 20 from viewpoints, such as intensity | strength, safety | security, design property, etc. so that it may illustrate.

  The inclination angle of the roof portion 18 with respect to the horizontal plane, that is, the inclination angle of the solar cell panel with respect to the horizontal plane is not particularly limited, and may be an inclination angle at which sunlight can be efficiently received. Although it differs depending on the latitude of the place where the photovoltaic power generation unit of one embodiment is installed, it is about 10 to 35 degrees as an example.

(Solar panel)
The solar cell panel 14 is a panel that generates power with sunlight, and a conventionally known panel can be appropriately selected and used in the field of solar power generation (solar power generation). In the illustrated form, the solar cell panel 14 is mounted side by side on the upper surface of the roof portion 18 of the gantry 12. One solar cell panel 14 may be used alone, but generally, a solar cell panel in a state in which a large number of solar cell panels 14 are arranged vertically and horizontally is used. In addition, in this specification, the whole thing in which the some solar cell panel was arranged is called the solar cell panel 14. FIG.

  A solar power generation system using the solar battery panel 14 can be used by appropriately selecting a conventionally known technique. Wirings from the solar cell panel 14 are combined into one by a connection box (not shown) and connected to a power conditioner (not shown).

  The direct current generated by the solar cell panel 14 is collected in a junction box and converted into alternating current power by a power conditioner. The power conditioner is connected to a distribution board (not shown), and the generated electric power is transmitted to the electric power company through the distribution board and sold. Further, the generated electric power can be used for driving the electric equipment in the container 16 together with or in place of power transmission to the electric power company.

(container)
The container 16 in the solar power generation system of one embodiment has a crop cultivation unit, and has a configuration capable of cultivating a crop therein. Therefore, according to the photovoltaic power generation system of one embodiment of the present invention, the power sale profit obtained by selling the power generated by the solar battery panel and the production profit of the crop cultivated in the container are obtained. be able to. That is, the space below the solar cell panel can be effectively used to enjoy both the power sales profit and the crop production profit.

  Further, according to the photovoltaic power generation system of one embodiment of the present invention, crops are cultivated inside the container, so that the cultivated products are not damaged by weather conditions and can be cultivated. is there.

  The installation position of the container 16 is not particularly limited, and may be set as appropriate within a range that satisfies the condition that the container 16 is installed at the lower part of the solar cell panel 14. In addition, it is preferable that the container 16 is the lower part of the solar cell panel 14, and is installed in the high side from the point which can utilize the lower part of the solar cell panel 14 to the maximum. According to the installation position of a preferable form, it can respond to the enlargement of a container.

  The container 16 installed in the lower part of the solar cell panel 14 may be one, or two or more. As shown in FIG. 5, the photovoltaic power generation unit of one embodiment includes two containers (a large size container 16 a and a small size container 16 b) having different sizes as the container 16. In the illustrated form, a support member 24 that supports the solar cell panel 14 is provided on the upper portion of the container 16. The support member 24 may be configured integrally with the container 16 as a part of the container 16, or may be attached to the container 16 as a separate member.

  There is no limitation in particular about the material of a container, For example, a metal or a plastic container can be mentioned. Hereinafter, an example of a container will be specifically described.

  The container 16 as an example is configured based on a container for freight transportation, and is excellent in transportability. As shown in FIG. 6, the container 16 includes a door 26 and can enter the inside of the container 16 through the door 26. FIG. 6 is a diagram illustrating an example in which the inside is visually recognized from the entrance of the container 16. The inside of the container 16 is a cultivation room for crops such as leafy vegetables and herbs. In the photovoltaic power generation system 10 of one embodiment, a hydroponic cultivation unit 28 is installed in the container 16. That is, the container 16 as an example functions as a container-type crop factory.

  As shown in FIGS. 7 to 9, the crop cultivation unit 28 includes a multistage hydroponics cultivation shelf 30. A conventionally well-known thing can be used as the cultivation shelf 30 for hydroponics. The hydroponics cultivation shelf 30 is designed according to the size of the crop to be cultivated and the container 16, and one or a plurality of units are installed. The hydroponic unit 28 includes devices necessary for hydroponic cultivation, such as a lighting device, a temperature control device, and a nutrient solution supply device, and is connected to a water and sewage system and a power source. The container 16 may be provided with a ventilation window (not shown). FIG. 7 is a schematic diagram illustrating an example of a hydroponics unit provided inside the container, FIG. 8 is a perspective view illustrating an example of the interior of the container viewed from the front, and FIG. 9 illustrates the interior of the container. It is a perspective view which shows an example which was visually recognized from back.

  As the electric power for driving the hydroponic cultivation unit 28, only the electric power generated by the solar cell panel 14 may be used, may be used in combination with other electric power, or the electric power by the solar cell panel 14 is not used. Other power may be used. Note that it is preferable to use only the power from the solar cell panel 14 because no other power source is required.

  A single container 16 can cultivate crops and can cultivate crops with little initial investment. Furthermore, by using a refrigerated container with high heat insulation as the container 16, it is possible to cultivate crops even in extremely hot or cold regions.

  The hydroponic cultivation unit 28 is a unit that performs circulation hydroponic cultivation. Therefore, there is an advantage that the amount of water used is very small compared to open field cultivation. Moreover, since it grows by artificial light, while being able to shorten a cultivation period and being able to cultivate year round by temperature control, there exists an advantage which can obtain more harvesting amounts than open field cultivation.

  The hydroponic unit 28 can also automate crop growth by automatically controlling lighting, temperature, and nutrient solution. Furthermore, it is possible to adopt an automatic shipping system that automatically ships to the market when the crop grows. By adopting the automatic shipping system, the owner of the photovoltaic power generation unit can obtain production profits by only managing the balance from a remote location without directly managing the container 16.

  Examples of the items that can be cultivated by the hydroponic cultivation unit 28 include the following. As vegetables and fruits, leaf lettuce, sanchu, sunny lettuce, red oak, salad vegetable, frilled lettuce, mizuna, komatsuna, chingena, salad spinach, baby leaf, swiss chard, watercress, green onion, moroheiya, viva verdi, clausia, strawberry, Eggplants, cucumbers, edible fresh flowers, etc. can be cultivated. As herbs, parsley, arugula, basil, dill, mint, red basil, Italian parsley, trefoil, chervil and the like can be cultivated.

  In the above description, the hydroponics unit 28 is mainly described. However, crops may be cultivated without using the hydroponic unit 28. Moreover, about the crop cultivated in a container, it is not limited to the item illustrated above, For example, you may produce other crops, such as mushrooms.

  Next, with reference to FIGS. 10-14, the specific example of a dimension of the solar power generation unit 10 is demonstrated. FIG. 10 is a cross-sectional view of the photovoltaic power generation unit 10 in the large size container 16a. The solar cell panel 14 is installed with an inclination angle of 25 degrees. The lowest end of the solar cell panel 14 is 865 mm from the ground surface, and the highest end is 4790 mm from the ground surface. The height of the container 16a is 2896 mm (9.5 ft). The container 16 a is installed at a high portion (right side portion in FIG. 10) of the solar cell panel 14, and supports the solar cell panel 14 by the support member 24.

  FIGS. 11A and 11B show an attachment portion of the solar cell panel 14. The solar cell panel 14 is fixed to the roof portion 18 by a fixing member 32.

  FIG. 12 is a cross-sectional view of the photovoltaic power generation unit 10 in the small size container 16b. The height of the container 16b is 2591 mm (8.5 ft). The container 16b is installed alongside the container 16a at a high portion (right side portion in FIG. 10) of the solar cell panel 14, and the solar cell panel 14 is supported by the support member 24.

  FIG. 13 is a top view of the roof portion 18 and shows the arrangement of rafters and purlins. The rafters are arranged at intervals of about 3 m, and the purlins are arranged at intervals of 1 m except at both ends. FIG. 13 also shows the arrangement of the containers 16a and 16b. The container 16a has a width of 12192 mm (40 ft) and a depth of 2438 mm, and the container 16b has a width of 6058 mm (about 20 ft) and a depth of 2438 mm, the same as the container 16a.

  FIG. 14 shows the arrangement of the solar cell panels 14. As shown in the figure, the solar cell panel 14 is configured by arranging a total of 117 panels in 13 rows in the width direction and 9 rows in the depth direction.

  In the said embodiment, although the solar cell panel 14 is arrange | positioned on an inclined surface and the container 16 is installed in the high side, this invention is not limited to this, The solar cell panel on an inclined surface The height of the entire 14 may be increased, and the container 16 may be installed in the entire region below or at an arbitrary position. Moreover, it is good also as a structure which arrange | positions the solar cell panel 14 on a horizontal surface, and installs the container 16 in the arbitrary locations under it.

DESCRIPTION OF SYMBOLS 10 Photovoltaic power generation unit 12 Base 14 Solar cell panel 16, 16a, 16b Container 18 Roof part 20 Support | pillar 22 Fence member 24 Support member 26 Door 28 Hydroponics unit 30 Hydroponics cultivation shelf 32 Fixing member

Claims (6)

A solar power unit,
A frame,
One or more solar cell panels disposed on the mount;
One or more containers installed at the bottom of the solar panel;
A photovoltaic power generation unit comprising:   The solar power generation unit according to claim 1, wherein the container includes a hydroponics unit.   The solar power generation unit according to claim 1 or 2, wherein the container is a container for freight transportation.   The solar power generation unit according to any one of claims 1 to 3, wherein the gantry supports the solar cell panel on an inclined surface.   The solar power generation unit according to claim 4, wherein the container is disposed on a higher side of the inclined surface of the solar cell panel.   The solar power generation unit according to any one of claims 1 to 5, wherein the container uses electric power generated by the solar battery panel.

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