TW202023177A - Light collecting device and method with power generation and farming crops demand - Google Patents

Abstract

The invention discloses a light collecting device and method with power generation and crops demand. The light collecting device comprises a frame body, a beam splitting unit, and a solar panel unit. The beam splitting unit is disposed on the frame body and reflects the infrared light band of the sun light, and makes the visible light band of the sun light to penetrate. The range of the infrared light band is between 700 to 2500 nm. The range of the visible light band is between 400 and 700 nm. The solar panel unit is disposed on a side of the beam splitting unit facing away from the frame body, and is disposed corresponding to the light splitting unit. The light of infrared light band irradiates on the solar panel unit, and the light of visible light band passing through the beam splitting unit irradiates on the crop.

Description

Light-collecting device and method with both split-light power generation and crop requirements

The present invention relates to a light collection device and method, and more particularly to a light collection device and method that meets the requirements of light splitting power generation and agricultural growth.

Solar power generation system is the trend of future energy, the main function is to convert the endless source of sunlight into electricity. However, due to the small area of Taiwan, it is difficult to have a complete and large-area laying of solar panels. Therefore, using agricultural land to lay large-area solar panels has become one of the solutions to the lack of space. However, the use of farmland space to lay solar panels sacrifices the production efficiency of crops. Excessive sun shading can even cause agricultural production to stop.

In view of the above, the object of the present invention is to provide a light collection device and a light collection method that can meet the requirements of solar power generation and crop growth.

The present invention provides a light collection device that meets both the requirements of light splitting power generation and crops. The light collection device includes a frame, a light splitting unit, and a solar panel unit. The beam splitting unit is installed on the frame and reflects the infrared wavelength of the sun's rays, and allows the visible wavelength of the sun's rays to pass through. The infrared wavelength ranges from 700 to 2500 nanometers, and the visible wavelength ranges from Between 400 and 700 nm. The solar panel unit is arranged on the side of the light splitting unit facing away from the frame and corresponding to the light splitting unit. The infrared light waveband light irradiates the solar panel unit, and the visible light waveband light passing through the light splitting unit irradiates the crops.

The present invention further provides a light collection method that meets the requirements of light splitting power generation and crops. It uses a light collection device to collect the full spectrum of solar energy. The light collection device includes a frame, a light splitting unit and a solar panel unit, and the light splitting unit is arranged at On the frame, the solar panel unit is arranged on the side of the light splitting unit facing away from the frame. The method includes: reflecting the infrared light waveband of the sun rays through the light splitting unit, and allowing the visible light waveband of the sun rays to pass through. The wavelength range is between 700 to 2500 nanometers, and the visible light range is between 400 to 700 nanometers; and the infrared light is irradiated on the solar panel unit, and the visible light is irradiated on the crops.

In one embodiment, the beam splitting unit has a parabolic shape and includes a longitudinally extending parabolic beam splitter.

In an embodiment, the beam splitter unit has a beam splitter, the solar panel unit has a solar panel, and the ratio of the radius of curvature of the beam splitter to the height of the solar panel is between 0.5 and 1.5.

In one embodiment, the solar panel unit and the crop are located on opposite sides of the light splitting unit.

In one embodiment, the solar panel unit has a solar panel, and the solar panel is disposed on one side of the light splitting unit.

In an embodiment, the solar panel unit has a plurality of solar panels, and the solar panels are respectively arranged on both sides of the light splitting unit.

In one embodiment, the light collection device further includes a supporting structure, which is disposed on the frame, and the solar panel unit is disposed on the supporting structure.

As mentioned above, in the light collection device and method of the present invention that meets the requirements of both light splitting power generation and crop growth, the full spectrum of the sun is collected through a light splitting unit for light splitting, so as to split the infrared light (wavelength range between 700). To 2500nm) reflect and focus on the solar unit, thereby performing high-efficiency photoelectric conversion; in addition, the light (wavelength range between 400 to 700nm) that passes through the visible light band of the splitter unit can provide Give crop growth needs to solve the problems of solar power generation and crop growth needs at the same time.

Hereinafter, referring to related drawings, the light collecting device and method for both splitting power generation and crop requirements according to the preferred embodiment of the present invention will be described, wherein the same components will be described with the same reference signs.

Please refer to FIG. 1, which is a schematic diagram of a light collecting device with both split power generation and crop requirements according to a preferred embodiment of the present invention.

The light-collecting device 1 can be used to collect the full spectrum of solar energy, so as to simultaneously perform solar energy photoelectric conversion and supply the growth of crops. The light collection device 1 of this embodiment includes a frame 11, at least one light splitting unit 12 and at least one solar panel unit 13.

The light splitting unit 12 is arranged on the frame 11, and the light splitting unit 12 can collect the full spectrum of solar energy to fully utilize the energy of the sunlight. Here, the light splitting unit 12 can be directly arranged on the frame 11; or indirectly arranged on the frame 11 by other supporting members, which is not limited. The light splitting unit 12 can reflect the infrared light (labeled as L1 in FIG. 1) in the sun's rays, and allow the visible light (labeled as L2 in FIG. 1) to pass through. Among them, the infrared wavelength range can be between 700 to 2500 nanometers, and the visible light wavelength range can be between 400 to 700 nanometers. In this embodiment, a plurality of light splitting units 12 are arranged side by side on the frame 11 and face the direction of the sun as an example. The crops 14 can be planted on the side of the light splitting unit 12 facing away from the sun, that is, planted under the light splitting unit 12 (for example, land) to receive the light L2 in the visible light band.

The spectroscopic unit 12 includes at least one spectroscope 121. In some embodiments, the beam splitter 121 may be spherical or aspherical. In some embodiments, the beam splitter unit 12 may have a parabolic shape and include a beam splitter 121 extending longitudinally. In some embodiments, one beam splitter 121 can be combined into one beam splitting unit 12, or multiple beam splitters 121 can be combined into one beam splitting unit 12, which is not limited. Here, the beam splitter 121 is a kind of curved glass with a special coating, which uses different dielectric materials to coat the curved glass to achieve the purpose of penetration of the visible light waveband light L2 and reflection of the infrared light waveband light L1. In practical applications, the special coating of the beam splitter unit 12 (the beam splitter 121) allows both visible light waveband penetration and infrared light waveband reflection characteristics to collect the full spectrum of solar energy to provide different wavelengths of light to the solar panel unit. 13 is used for growing crops.

The solar panel unit 13 is arranged on the side of the light splitting unit 12 facing away from the frame 11. Here, the solar panel unit 13 can be directly or indirectly disposed on the light splitting unit 12, or directly or indirectly disposed on the frame 11, and it is not limited. The solar panel unit 13 of this embodiment is arranged on the light splitting unit 12 and corresponding to the light splitting unit 12, and the infrared light reflected by the light splitting unit 12 can be irradiated on the solar panel unit 13 for photoelectric conversion. Generate electricity. The light-collecting device 1 of this embodiment is an example with a plurality of solar panel units 13, and each solar panel unit 13 is arranged corresponding to each light splitting unit 12. The solar panel unit 13 may each have at least one solar panel 131 to receive the light L1 in the infrared wavelength band reflected by the beam splitter unit 12 (the beam splitter 121). In some embodiments, the solar panel unit 13 (solar panel 131) may utilize a supporting member to support its structure (not shown in FIG. 1), or be disposed on the frame 11 or the beam splitting unit 12, and the invention is not limited. In some embodiments, one or more solar panels 131 can be combined into one solar panel unit 13. In this embodiment, three longitudinally extending solar panels 131 are combined to form a solar panel unit 13 as an example. Wherein, the solar panel 131 and the beam splitter 121 extend in the same direction, and the two solar panels 131 face the reflected light direction of the beam splitter 121 to receive the light L1 reflected by the beam splitter 121 in the infrared wavelength range, and the other solar panel 131 Facing the direction of the sun to directly receive sunlight. In some embodiments, the solar panel 131 that receives the light L1 can be located at the parabolic focus of the beam splitter 121, so that the reflected infrared light band light L1 can be focused on the solar panel 131, thereby improving the photoelectric conversion efficiency. In some embodiments, the ratio of the radius of curvature of the beam splitter 121 to the height of the solar panel 131 may be between 0.5 and 1.5. For example, from the side view, if the vertical height of the solar panel 131 is 1000 millimeters (mm), when the radius of curvature of the beam splitter 121 is between 500 mm and 1500 mm, the highest light collection efficiency (and power generation effectiveness).

The crops 14 are located under the light splitting unit 12, and the crops 14 and the solar panel unit 13 are respectively located on opposite sides of the light splitting unit 12, so as to receive light L2 passing through the visible light band of the light splitting unit 12 for photosynthesis. Here, the crop 14 is not limited to its variety, type, and quantity. It is human edible crops (such as food crops, cash crops), or inedible crops (such as industrial raw material crops, feed crops), as long as the sun is exposed All crops that can be photosynthetized in light time are available.

Therefore, in the light-collecting device 1 of this embodiment that meets the requirements of both light splitting power generation and crop growth, the full spectrum of the sun is collected through the spectroscopic unit 12 with a special coating for spectroscopy, so as to split the infrared light L1 (wavelength range between Between 700 and 2500 nm) is reflected and focused on the solar unit 13 to perform high-efficiency photoelectric conversion; and, the light L2 (wavelength range between 400 and 700 nm) passing through the visible light band of the beam splitting unit 12 Time) can be provided for the growth of crops 14 to simultaneously solve the problems of solar power generation and crop growth needs.

FIGS. 2 to 3 are respectively another schematic diagrams of a light-concentrating device with both light splitting power generation and crop requirements according to a preferred embodiment of the present invention.

As shown in FIG. 2, the light collection device 1a of this embodiment and the light collection device 1 of the previous embodiment have substantially the same component composition and connection relationship of the components. The difference is that, in the light collection device 1a of this embodiment, although the solar panel unit 13 is also located on the light splitting unit 12, the light splitting unit 12 (the light splitting mirror 121) of this embodiment is arranged obliquely, and only the light splitting One side of the unit 12 (the beam splitter 121) is provided with a solar panel 131, and the other side of the beam splitter unit 12 (the beam splitter 121) is not provided with a solar panel 131. In addition, a part of the sunlight does not irradiate the beam splitting unit 12, but passes through the side of the beam splitter 121 and directly irradiates the crops 14.

In addition, as shown in FIG. 3, the light collection device 1b of this embodiment and the light collection device 1 of the previous embodiment have substantially the same component composition and connection relationship of each component. The difference is that, in the light collecting device 1b of this embodiment, solar panels 131 are provided on both sides of each light splitting unit 12 (the beam splitter 121), so that the light L1 reflected by the curved beam splitter 121 can illuminate On the solar panels 131 on both sides.

FIGS. 4A to 6B are respectively another schematic diagrams of a light-concentrating device that combines light splitting power generation and crop requirements according to a preferred embodiment of the present invention. Here, FIGS. 4A, 5A, and 6A show schematic side views, and FIGS. 4B, 5B, and 6B show that FIGS. 4A, 5A, and 6A are schematic perspective views, respectively. In addition, crops 14 are not shown in FIGS. 4A to 6B.

As shown in FIGS. 4A and 4B, the light collection device 1c of this embodiment and the light collection device 1 of the previous embodiment have substantially the same component composition and connection relationship of the components. The difference is that the light collection device 1c of this embodiment may further include a support structure 15, the support structure 15 is disposed on the frame 11, and the solar panel unit 13 is disposed on the frame 11 by the support structure 15. Here, the solar panel unit 13 is disposed on the beam splitting unit 12 by the supporting structure 15 and is located on the parabolic focus of the beam splitting unit 12 (the beam splitter 121), so that the infrared light beam L1 reflected by the beam splitter 121 can be focused In the solar panel 131, the photoelectric conversion efficiency is thereby improved. In addition, the spectroscopic unit 12 of this embodiment is arranged on the frame 11 by the support 16.

As shown in FIGS. 5A and 5B, the light collection device 1d of this embodiment and the light collection device 1c of the previous embodiment have substantially the same component composition and connection relationship of the components. The difference is that the light collecting device 1d of this embodiment does not have the supporting structure 15, and the solar panel 131 is vertically arranged on the beam splitting unit 12 (the beam splitter 121), and is located at a lower level of the beam splitting unit 12 (the beam splitter 121). Side.

In addition, as shown in FIGS. 6A and 6B, the light collection device 1e of this embodiment and the light collection device 1d of the previous embodiment have substantially the same component composition and connection relationship of the components. The difference lies in that the two solar panels 131 of the light collecting device 1e of this embodiment are arranged on both sides of the light splitting unit 12 (the light splitting mirror 121).

In addition, other technical content of the light-collecting devices 1a to 1e can refer to the same components of the light-collecting device 1, which will not be repeated here.

The present invention further proposes a light collection method that meets the requirements of both light splitting power generation and crops, which is applied to one of the aforementioned light collection devices 1, 1a to 1e. The light collection method may include: passing the light splitting unit 12 into the sunlight The infrared light waveband reflects and allows the visible light waveband of the sun’s rays to pass through. The infrared light waveband ranges from 700 to 2500nm and the visible light waveband ranges from 400 to 700nm; and, the infrared light The wave band light L1 irradiates the solar panel unit 13 and the visible light wave band light L2 irradiates the crops 14, thereby simultaneously performing solar photoelectric conversion and supplying the light required for the growth of the crops 14. In addition, other technical content of the light collection method of the present invention may have been described in detail above, and will not be described here.

In conclusion, what is disclosed in the foregoing embodiments is a transflective light-collecting device, which can simultaneously solve the problems of solar panel power generation and crop growth requirements, and has the following characteristics: 1. It can solve the problem of solar panels shielding too much light. Sacrifice the efficiency of agricultural production, or limit the types of crops to low-light crops. 2. It can solve the problem of too little solar panel illumination and low power generation efficiency. 3. The light collection device in this case can be modularized and can be connected in series to build a photovoltaic farm shed, thereby regulating the temperature of the farm shed to control the growth of crops. 4. The light-collecting device in this case can form a greenhouse with both power generation function and crop cultivation, meeting the purpose of future energy self-sufficiency, and has great application potential in the market and green energy industry.

In summary, in the light collection device and method of the present invention that meets the requirements of splitting power generation and crop growth, the full spectrum of the sun is collected through a light splitting unit for splitting, so as to split the infrared light (wavelength range between 700). To 2500nm) reflect and focus on the solar unit, thereby performing high-efficiency photoelectric conversion; in addition, the light (wavelength range between 400 to 700nm) that passes through the visible light band of the splitter unit can provide Give crop growth needs to solve the problems of solar power generation and crop growth needs at the same time.

The above is only exemplary, and not restrictive. Any equivalent modifications or changes made without departing from the spirit and scope of the present invention shall be included in the scope of the attached patent application.

1. 1a～1e: light collecting device 11: frame body 12: beam splitting unit 121: beam splitter 13: solar panel unit 131: solar panel 14: crop 15: support structure 16: support L1, L2: light

FIG. 1 is a schematic diagram of a light-collecting device with both light splitting power generation and crop requirements according to a preferred embodiment of the present invention. FIGS. 2 to 3 are respectively another schematic diagrams of a light-concentrating device with both light splitting power generation and crop requirements according to a preferred embodiment of the present invention. FIGS. 4A to 6B are respectively another schematic diagrams of a light-concentrating device that combines light splitting power generation and crop requirements according to a preferred embodiment of the present invention.

1: Light collecting device

11: Frame

12: Spectroscopic unit

121: Spectroscope

13: Solar panel unit

131: Solar Panel

14: crops

L1, L2: light

Claims (10)

A light collecting device with both light splitting power generation and crop requirements for collecting the full spectrum of solar energy. The light collecting device includes: a frame; a light splitting unit arranged on the frame; the light splitting unit removes the infrared rays in the sunlight The light waveband reflects and allows the visible light waveband of the sun's rays to pass through, wherein the infrared light waveband range is between 700 to 2500 nanometers, and the visible light waveband range is between 400 to 700 nanometers; and a solar panel unit , Arranged on the side of the light splitting unit facing away from the frame and correspondingly arranged with the light splitting unit; wherein the infrared light waveband light irradiates the solar panel unit; the visible light waveband light passing through the light splitting unit irradiates the crop on. The light collecting device described in the first item of the scope of patent application, wherein the light splitting unit has a parabolic shape and includes a longitudinally extending parabolic light splitting mirror. The light-collecting device described in claim 1, wherein the beam splitting unit has a beam splitter, the solar panel unit has a solar panel, and the ratio of the radius of curvature of the beam splitter to the height of the solar panel is between 0.5 and 1.5 between. In the light-collecting device described in item 1 of the scope of patent application, the solar panel unit and the crop are located on opposite sides of the light-splitting unit. According to the light-collecting device described in claim 1, wherein the solar panel unit has a solar panel, and the solar panel is arranged on one side of the light splitting unit. In the light-collecting device described in item 1 of the scope of patent application, the solar panel unit has a plurality of solar panels, and the solar panels are respectively arranged on both sides of the light splitting unit. The light-collecting device described in item 1 of the scope of patent application further includes: a supporting structure arranged on the frame, and the solar panel unit is arranged on the supporting structure. A light collection method that meets the requirements of both light splitting power generation and crops. A light collection device is used to collect the full spectrum of solar energy. The light collection device includes a frame, a light splitting unit and a solar panel unit, and the light splitting unit is arranged on the frame In the above, the solar panel unit is arranged on the side of the light splitting unit facing away from the frame, and the method includes: reflecting the infrared wavelength band of the sun rays through the light splitting unit, and allowing the visible light wavelength band of the sun rays to pass through, wherein The infrared light band range is between 700 to 2500 nanometers, and the visible light band range is between 400 to 700 nanometers; and the infrared light waveband light is irradiated on the solar panel unit, and the visible light waveband light is irradiated On the crops. The light-collecting method described in item 8 of the scope of patent application, wherein the beam splitter unit has a beam splitter, the solar panel unit has a solar panel, and the ratio of the radius of curvature of the beam splitter to the height of the solar panel is between 0.5 and 1.5 between. As described in item 8 of the scope of patent application, the solar panel unit has at least one solar panel, and the solar panel is arranged on one or both sides of the light splitting unit.

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