Solar power generation device

Abstract

The utility model discloses a solar power generation device, solar power generation device includes: device main part, install solar cell in device main part, be equipped with the light entrance surface and the light reflection surface in device main part, at least one light collector, the light collector is connected with device main part, the light collector is used for light guide to the light reflection surface, wherein, the light reflection surface constructs as the convex curve to solar cell or the plane that is relative to solar cell inclination, the light entrance surface and the light reflection surface are used respectively to the two sides of solar cell that mutually deviate light guide, solar power generation device of the utility model can realize the double -sided daylighting of solar cell, has improved the total daylighting of solar cell, has improved the utilization rate to the sunlight, makes solar energy to be fully utilized to improve electric energy conversion efficiency. Its light reflection surface setting mode is various, and the light reflection surface daylighting is sufficient, can overcome the environmental restriction and broaden the scene of application.

Description

Technical Field

[0001] This utility model relates to the field of solar cell technology, and in particular to a solar power generation device. Background Technology

[0002] The conversion efficiency of single-sided solar cells has approached its theoretical limit and is difficult to improve significantly. Bifacial cells, on the other hand, absorb light from both the front and back sides simultaneously for photoelectric conversion, which can improve the utilization efficiency of light and thus increase the conversion efficiency.

[0003] However, current bifacial solar cells still rely on reflected and scattered light from the surrounding environment and the creation of a light-filled atmosphere for back-side lighting. For example, in scenarios such as rooftops of high-rise buildings in cities, photovoltaic power stations in some desert areas, and concentrated solar power stations, the back-side lighting effect is reduced, resulting in a decrease in the power generation of bifacial solar cells, indicating room for improvement. Utility Model Content

[0004] This invention aims to solve at least one of the technical problems existing in the prior art. To this end, this invention proposes a solar power generation device that enables bi-lateral light collection from solar cells, increasing the total light collection of the solar cells, improving the utilization rate of sunlight, and fully utilizing solar energy, thereby enhancing power conversion efficiency. Its reflective surface can be set in various ways, and the reflective surface provides ample light collection, overcoming environmental limitations and broadening its application scenarios.

[0005] A solar power generation device according to an embodiment of the present invention includes: a device body, wherein a solar cell is installed inside the device body, and the device body is provided with a light-incident surface and a reflective surface; at least one light collector connected to the device body, the light collector being used to guide light to the reflective surface; wherein the reflective surface is constructed as a curved surface convex toward the solar cell or a plane inclined relative to the solar cell, and the light-incident surface and the reflective surface are used to guide light to two mutually opposite sides of the solar cell, respectively.

[0006] According to the embodiments of the present invention, the solar power generation device can achieve light collection from one side of the solar cell by setting a light-incident surface on the main body of the device. By setting a reflective surface on the main body of the device and connecting a light collector to the main body, and by configuring the reflective surface as either a curved surface convex towards the solar cell or a flat surface inclined relative to the solar cell, both types of reflective surfaces can guide the light collected by the light collector to the other side of the solar cell. This increases the total light collection of the solar cell. By simultaneously absorbing sunlight from both sides for light energy conversion, the utilization rate of sunlight is improved, allowing for full utilization of solar energy and thus enhancing the power conversion efficiency. Its various configuration methods and ample light collection from the reflective surface can overcome environmental limitations and broaden its application scenarios.

[0007] According to an embodiment of the present invention, in a solar power generation device, the light-incident surface, the solar cell, and the reflective surface are arranged facing each other along a first direction, and the light collector is connected to the main body of the device along a second direction, wherein the first direction intersects the second direction.

[0008] According to an embodiment of the present invention, the solar power generation device has two light collectors, which are respectively located at both ends of the main body of the device in the second direction.

[0009] According to an embodiment of the present invention, the reflective surface of the solar power generation device is configured to protrude from the center of the second direction toward the solar cell along the first direction.

[0010] According to the solar power generation device of this utility model embodiment, the reflective surface is configured symmetrically with respect to the first direction.

[0011] According to an embodiment of the present invention, the solar power generation device includes a single light collector located at one end of the main body of the device in the second direction.

[0012] According to an embodiment of the solar power generation device of the present invention, the distance between the reflective surface and the solar cell is configured to gradually decrease along the direction away from the light collector.

[0013] According to an embodiment of the present invention, in the solar power generation device, a reflective channel is formed between the solar cell and the reflective surface within the main body of the device, and a light collector forms a light-collecting channel, which is connected to the reflective channel.

[0014] According to an embodiment of the present invention, the solar power generation device has a first encapsulation on the side of the solar cell facing the light-incident surface and a second encapsulation on the side of the solar cell facing the reflective surface. Both the first encapsulation and the second encapsulation are made of light-transmitting material.

[0015] The solar power generation device according to an embodiment of the present invention further includes a movable support, which is movably connected to the bottom of the device body and is used to adjust the angle between the device body and the horizontal direction.

[0016] Additional aspects and advantages of this invention will be set forth in part in the description which follows, and in part will be obvious from the description, or may be learned by practice of the invention. Attached Figure Description

[0017] The above and / or additional aspects and advantages of this utility model will become apparent and readily understood from the description of the embodiments taken in conjunction with the following drawings, in which:

[0018] Figure 1 This is a schematic diagram of the structure of a solar power generation device according to an embodiment of the present utility model. Figure 1 ;

[0019] Figure 2 This is a schematic diagram of the structure of a solar power generation device according to an embodiment of the present utility model. Figure 2 ;

[0020] Figure 3 This is a partial structural schematic diagram of a solar power generation device according to an embodiment of the present utility model;

[0021] Figure 4 This is a cross-section of a solar power generation device according to an embodiment of the present invention. Figure 1 ;

[0022] Figure 5 This is a schematic diagram of a solar cell in a solar power generation device according to an embodiment of the present utility model;

[0023] Figure 6 This is a cross-section of a solar power generation device according to an embodiment of the present invention. Figure 2 ;

[0024] Figure 7 This is a schematic diagram of the structure of a solar power generation device according to an embodiment of the present utility model. Figure 3 .

[0025] Figure label:

[0026] 100 solar power generation devices

[0027] The device consists of: main body 1, light-incident surface 11, reflective surface 12, reflective channel 13, light-incident plate 14, and reflective plate 15.

[0028] Light collector 2, light-collecting channel 21, solar cell 3, solar panel 31, first package 4, second package 5, movable support 6. Detailed Implementation

[0029] The embodiments of this utility model are described in detail below. Examples of these embodiments are shown in the accompanying drawings, wherein the same or similar reference numerals denote the same or similar elements or elements having the same or similar functions throughout. The embodiments described below with reference to the accompanying drawings are exemplary and are only used to explain this utility model, and should not be construed as limiting this utility model.

[0030] In the description of this utility model, it should be understood that the terms "center," "longitudinal," "transverse," "length," "width," "thickness," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," "clockwise," "counterclockwise," "axial," "radial," and "circumferential," etc., indicating the orientation or positional relationship shown in the accompanying drawings, are only for the convenience of describing this utility model and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, or be constructed and operated in a specific orientation, and therefore should not be construed as a limitation of this utility model. Furthermore, features defined with "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of this utility model, unless otherwise stated, "a plurality of" means two or more.

[0031] In the description of this utility model, it should be noted that, unless otherwise explicitly specified and limited, the terms "installation," "connection," and "joining" should be interpreted broadly. For example, they can refer to a fixed connection, a detachable connection, or an integral connection; they can refer to a mechanical connection or an electrical connection; they can refer to a direct connection or an indirect connection through an intermediate medium; and they can refer to the internal connection of two components. Those skilled in the art can understand the specific meaning of the above terms in this utility model based on the specific circumstances.

[0032] The following is for reference. Figures 1-7 The solar power generation device 100 according to an embodiment of the present invention can achieve bi-lateral light collection of the solar cell 3, thereby increasing the total light collection of the solar cell 3, improving the utilization rate of sunlight, and thus enhancing the power conversion efficiency. Its reflective surface 12 can be configured in various ways, and the reflective surface 12 provides ample light collection, making it suitable for a wide range of applications.

[0033] like Figures 1-7 As shown, a solar power generation device 100 according to an embodiment of the present invention includes: a device body 1 and a light collector 2.

[0034] It should be noted that the solar power generation device 100 is a device that uses solar energy, a renewable energy source, to produce electricity. The solar power generation device 100 is used to convert solar energy into electrical energy, which can be used by users and other electrical equipment. The use of the solar power generation device 100 makes the use of electricity more convenient and is conducive to energy diversification and industrial development.

[0035] The main body 1 houses solar cells 3. Specifically, the main body 1 serves as the frame structure of the solar power generation device 100, providing protection and support. An installation space is formed within the main body 1 for mounting the solar cells 3. Installing the solar cells 3 within the main body 1 achieves enclosure and protection, preventing external particles, water, etc., from entering the solar cells 3, thereby reducing the impact of the external environment on the solar cells 3 and extending the service life of the solar power generation device 100. The main body 1 is equipped with a light-incident surface 11 and a reflective surface 12. The light-incident surface 11 allows sunlight to enter the main body 1, while the reflective surface 12 reflects sunlight back into the main body 1, enabling the main body 1 to receive light. This light intake prepares the solar power generation device 100 for power generation.

[0036] The light-incident surface 11 contains an optically transparent material, which enables the light-incident surface 11 to transmit light. The reflective surface 12 contains a reflective film layer, which enables the reflective surface 12 to reflect light. In practical applications, the reflective film layer can be made of mirror aluminum, silver-plated reflective film, or polymer reflective film, etc.

[0037] The solar power generation device 100 includes at least one light collector 2, which is connected to the main body 1. The light collector 2 is used to guide light to the reflective surface 12. In practical applications, at least one light collector 2 is connected to the main body 1. The light collector 2 has the function of collecting sunlight, that is, the light collector 2 guides the collected sunlight to the reflective surface 12, and through the reflection effect of the reflective surface 12, the sunlight collected by the light collector 2 can be reflected into the main body 1, thus realizing the lighting of the main body 1. The light collector 2 can be one, two, three, four, etc. The light collector 2 can be detachably connected to the main body 1 by fasteners such as bolts, and can also be connected by snap-fit, plug-in, positioning, etc. The connection method is simple, easy to maintain, and the installation is firm and reliable.

[0038] The reflective surface 12 is constructed as a curved surface protruding towards the solar cell 3 or a plane inclined relative to the solar cell 3. The light-incident surface 11 and the reflective surface 12 are used to guide light to the two mutually opposite sides of the solar cell 3, respectively.

[0039] In other words, light can be guided to one side of the solar cell 3 through the light-incident surface 11, and light can be guided to the other side of the solar cell 3 through the reflective surface 12. The two sides of the solar cell 3 that receive sunlight are opposite to each other, which can realize double-sided light collection of the solar cell 3, improve the light collection efficiency of the solar cell 3, and thus improve the power generation efficiency of the solar cell 3.

[0040] In practical applications, the reflective surface 12 can be constructed as a curved surface convex towards the solar cell 3. That is, the reflective surface 12 is a curved surface, which can reflect the sunlight collected by the light collector 2 to the other side of the solar cell 3. Alternatively, the reflective surface 12 can be constructed as a plane inclined relative to the solar cell 3. That is, the reflective surface 12 is constructed as an inclined plane, which can reflect the sunlight collected by the light collector 2 to the other side of the solar cell 3. Both of these methods can achieve light collection on the other side of the solar cell 3. The setting methods are diverse and can be flexibly selected. Moreover, the structure is simple and the cost is lower.

[0041] Currently, solar cells 3 still rely on reflected and scattered light from the surrounding environment to create a light-filled atmosphere for back-side lighting. However, in scenarios such as rooftops of high-rise buildings in cities, photovoltaic power stations in some desert areas, and concentrated solar power stations, the back-side lighting effect is poor, resulting in reduced power generation from solar cells 3.

[0042] According to the embodiment of the present invention, the solar power generation device 100, by setting a light-receiving surface 11 on the main body 1, can achieve light collection from one side of the solar cell 3. By setting a reflective surface 12 on the main body 1 and connecting the main body 1 to a light-collecting device 2, and by constructing the reflective surface 12 as a curved surface convex towards the solar cell 3 or a plane inclined relative to the solar cell 3, both types of reflective surfaces 12, compared to existing solar cells 3, can guide the sunlight collected by the light-collecting device 2 to the other side of the solar cell 3, effectively increasing the total light collection of the solar cell 3. Through simultaneous absorption of sunlight from both sides for light energy conversion, the utilization rate of sunlight is improved, allowing solar energy to be fully utilized, thereby enhancing the power conversion efficiency. Its various setting methods and ample light collection by the reflective surface 12 can overcome environmental limitations and broaden the application scenarios.

[0043] In some embodiments, the light-incident surface 11, the solar cell 3, and the reflective surface 12 are arranged facing each other along a first direction, and the light collector 2 is connected to the main body 1 of the device along a second direction, with the first direction intersecting the second direction.

[0044] Specifically, the first direction and the second direction can be perpendicular or non-perpendicular. In practical applications, when the first direction and the second direction are perpendicular to each other, the first direction can be up-down or horizontal, and the second direction can be horizontal or up-down. When the first direction and the second direction are not perpendicular, the first direction and the second direction can be any intersecting direction.

[0045] Specifically, such as Figure 1As shown, the light-incident surface 11, the solar cell 3, and the reflective surface 12 are distributed sequentially along the first direction. That is, the light-incident surface 11 and the reflective surface 12 are located on two opposing sides of the solar cell 3, and the light-incident surface 11, the solar cell 3, and the reflective surface 12 are arranged facing each other along the first direction. In this way, the light-incident surface 11 can guide light to one side of the solar cell 3, increasing the amount of light guided by the light-incident surface 11 to the solar cell 3. The light collector 2 is connected to the second direction of the main body 1 of the device, which can collect sunlight outside the first direction. The reflective surface 12 can reflect the sunlight collected by the light collector 2 to the other side of the solar cell 3, enabling the solar cell 3 to achieve double-sided light collection and obtain sunlight to the maximum extent, thereby improving the power conversion capability of the solar cell 3.

[0046] Furthermore, the light-incident surface 11, the solar cell 3, and the reflective surface 12 are arranged facing each other along the first direction, which makes the overall structure more regular along the first direction. Moreover, the light collector 2 is connected to the second direction of the main body 1 of the device, which makes the installation and disassembly of the light collector 2 more convenient and will not interfere with the light-incident surface 11 and the reflective surface 12. The structure is reasonably laid out and the light collection is reliable.

[0047] In practical applications, the light-incident surface 11 is the front side, and the reflective surface 12 is the back side, such as... Figure 3 As shown, taking the up-down direction as an example, the front of the solar power generation device 100 is on the same side as the front of the solar cell 3, so that the light-incident surface 11 corresponds to the front of the solar cell 3. The rear of the solar power generation device 100 is below its front, and the rear of the solar power generation device 100 is on the same side as the back of the solar cell 3, so that the reflective surface 12 corresponds to the back of the solar cell 3.

[0048] In some embodiments, two light collectors 2 are provided, and the two light collectors 2 are respectively located at both ends of the device body 1 in the second direction.

[0049] Specifically, such as Figure 1 As shown, the two light collectors 2 are respectively connected to the two ends of the main body 1 in the second direction, which allows the two light collectors 2 to collect sunlight from outside the first direction. The two light collectors 2 can simultaneously transmit sunlight to the reflective surface 12, which increases the amount of sunlight received by the reflective surface 12 and increases the amount of light transmitted from the reflective surface 12 to the solar cell 3, thereby increasing the amount of light collected by the solar cell 3 on the other side and increasing the total power generation of the solar cell 3.

[0050] In practical use, the two light collectors 2 can operate simultaneously, and the amount of sunlight collected by each collector can be the same or different. They can also operate at different times, offering diverse operating modes that can be adapted to the specific environment to maximize the utilization of sunlight for photoelectric conversion, thereby improving conversion efficiency. This design also broadens the application range and improves performance. Furthermore, the two light collectors 2 can be redundantly designed; if one collector 2 malfunctions, the other can still operate normally, ensuring continued sunlight collection and minimizing the reduction in light energy conversion efficiency. This makes the design more convenient and reliable to use.

[0051] In addition, in the specific design, the two light collectors 2 can be symmetrically distributed on both sides of the main body 1 along the second direction, which makes the overall structure of the solar power generation device 100 symmetrical. Furthermore, by placing the two light collectors 2 at the edge of the main body 1, the collected light can be effectively processed, saving internal space of the components.

[0052] In some embodiments, the reflective surface 12 is configured to protrude from the center of the second direction toward the solar cell 3 along the first direction.

[0053] Specifically, such as Figure 1 , Figure 2 , Figure 4 and Figure 6 As shown, the reflective surface 12 is constructed as a curved surface convex towards the solar cell 3. The reflective surface 12 and the solar cell 3 are distributed along the first direction and along the second direction. The reflective surface 12 is convex towards the solar cell 3 in the middle of the second direction. Two light collectors 2 are distributed on both sides of the reflective surface 12 in the second direction. In this way, the sunlight collected by the two light collectors 2 can be transmitted to both sides of the middle of the reflective surface 12 in the second direction. The sunlight transmitted by the two light collectors 2 can be reflected to the other side of the solar cell 3, thereby improving the absorption capacity of the other side of the solar cell 3.

[0054] Therefore, through the above arrangement, the reflective surface 12 occupies the internal space of the main body 1 of the device, and the protruding side of the reflective surface 12 is distributed within the internal space of the main body 1 of the device. The overall structure occupies little space, which is conducive to large-scale production and lower cost. Furthermore, the main body 1 of the device can protect the internal structure, keep the external structure of the main body 1 flat, facilitate the handling and transportation of the solar cells 3, and protect the stability of the internal structure of the main body 1, thereby improving the service life of the solar cells 3.

[0055] The solar cell 3 includes at least one solar panel 31, meaning it can include one solar panel 31. Alternatively, the solar cell 3 can include multiple solar panels 31, which can be configured in multiple rows and columns, such as... Figure 5 As shown, only a portion of the solar panel 31 arrangement is illustrated. The solar panels 31 can be connected in series via welding of the main grid lines or bonding with conductive adhesive, and each solar panel 31 can be closely arranged with adjacent solar panels 31. Furthermore, when sunlight from the incident surface 11 passes through the gaps between the solar panels 31, the sunlight not utilized by the solar cell 3 is transmitted to the reflective surface 12. The reflective surface 12 reflects some of the unused sunlight to the other side of the solar cell 3, improving the utilization rate of sunlight and thus increasing the power generation of the solar cell 3.

[0056] Furthermore, the solar panel 31 can be a front-contact panel or other types of solar panel 31. Among them, the front side of the solar cell 3 faces the sun during normal operation, and this side is also called the "sun-facing side".

[0057] In some embodiments, the reflective surface 12 is configured to be symmetrically arranged relative to the first direction, that is, the curved arc of the reflective surface 12 on both sides of the second direction is symmetrically distributed. This allows the overall structure of the reflective surface 12 to be symmetrically distributed along the first direction. In this way, the sunlight reflection capability of the reflective surface 12 on both sides of the second direction is the same. When the sunlight collected by the two light collectors 2 is symmetrically transmitted to both sides of the reflective surface 12 along the first direction, the sunlight reflected to the solar cell 3 on both sides of the reflective surface 12 can be the same. This allows the light absorbed by the solar cell 3 along the second direction to be more uniform, and allows multiple positions on the other side of the solar cell 3 to perform light energy conversion, thereby improving the power generation efficiency and power output of the solar cell 3.

[0058] Furthermore, by symmetrically distributing the reflective surface 12 relative to the first direction, the overall structure of the solar power generation device 100 can be symmetrical along the first direction, which is beneficial for the installation and disassembly of the internal structure. Moreover, the symmetrical distribution results in better power generation and a better user experience.

[0059] In some embodiments, a single light collector 2 is provided, located at one end of the device body 1 in the second direction.

[0060] Specifically, such as Figure 7 As shown, a light collector 2 can be connected to one end of the device body 1 in the second direction. That is, the light collector 2 can be connected to one end of the device body 1 in the second direction, and the light collector 2 can also be connected to the other end of the device body 1 in the second direction. The connection method is not limited and can be set arbitrarily.

[0061] Therefore, by setting up a light collector 2, light can be collected on one side of the main body 1 in the second direction. The light collector 2 collects sunlight from outside the first direction and conducts the sunlight to the reflective surface 12. The reflective surface 12 reflects the sunlight to the other side of the solar cell 3. Combined with the light collection of the light-receiving surface 11, more sunlight from the outer periphery of the main body 1 can be conducted to the solar cell 3, which can increase the total light collection of the solar cell 3 and thus increase the total power generation of the solar cell 3.

[0062] Furthermore, by setting up a light collector 2, a certain amount of electricity demand can be met. Reducing the number of light collectors 2 can lower the installation cost of the solar power generation device 100.

[0063] In some embodiments, the distance between the reflective surface 12 and the solar cell 3 is configured to gradually decrease in the direction away from the light collector 2.

[0064] Specifically, such as Figure 7 As shown, the reflective surface 12 is constructed as a plane inclined relative to the solar cell 3. The reflective surface 12 and the solar cell 3 are distributed along a first direction and a second direction, respectively. The reflective surface 12 and the solar cell 3 are not parallel. The distance between the reflective surface 12 and the solar cell 3 is larger on the side closer to the light collector 2, so that the sunlight collected by the light collector 2 can be conducted to the reflective surface 12. The distance between the reflective surface 12 and the solar cell 3 is smaller on the side farther from the light collector 2, so that the end of the reflective surface 12 away from the light collector 2 can be connected to the light-incident surface 11 of the main body 1 of the device. That is, the end of the reflective surface 12 away from the light collector 2 does not need to absorb sunlight separately. In this way, the sunlight collected by one light collector 2 can be conducted to the entire reflective surface 12. The sunlight from the light collector 2 is reflected to the other side of the solar cell 3 through the reflective surface 12, so that the other side of the solar cell 3 can obtain sunlight.

[0065] Furthermore, the distance between the reflective surface 12 and the solar cell 3 gradually decreases in the direction away from the light collector 2, which can make the distance between the two change uniformly. Both the solar cell 3 and the reflective surface 12 are planar structures, which are simple to arrange, easy to assemble, and low in cost.

[0066] Therefore, through the above setup, sunlight can be collected outside the light-receiving surface 11 through a single light-collecting device 2, thereby increasing the total amount of light collected by the solar cell 3.

[0067] In some embodiments, a reflective channel 13 is formed between the solar cell 3 and the reflective surface 12 in the main body 1 of the device, and a light collector 2 is formed with a light collection channel 21, which is connected to the reflective channel 13.

[0068] Specifically, such as Figure 1 , Figure 2and Figure 7 As shown, the main body 1 of the device is provided with a reflective channel 13, which is located between the solar cell 3 and the reflective surface 12. The reflective channel 13 allows sunlight transmitted to the reflective surface 12 to be reflected by the reflective surface 12 and then enter the solar cell 3 through the reflective channel 13, thus achieving light collection on the other side of the solar cell 3. The light collector 2 is provided with a light collection channel 21, which allows external sunlight to be collected by the light collector 2 and transmitted through the light collection channel 21. The light collection channel 21 is connected to the reflective channel 13, allowing sunlight in the light collection channel 21 to enter the reflective channel 13 and be transmitted to the reflective surface 12, thus providing a source of sunlight for reflection by the reflective surface 12.

[0069] Thus, a complete sunlight transmission channel can be formed between the light collector 2 and the other side of the solar cell 3. The sunlight collected by the light collector 2 from the first direction passes through the light collection channel 21 and the reflection channel 13 and is incident on the reflective surface 12. After being reflected by the reflective surface 12, the sunlight can be transmitted to the other side of the solar cell 3, thus achieving continuous and stable light transmission to the solar cell 3.

[0070] like Figure 4 As shown, when two light collectors 2 are installed, each light collector 2 forms a light-collecting channel 21. The two light-collecting channels 21 are respectively connected to the reflective channel 13, enabling the transmission of sunlight from the two light-collecting channels 21 to the reflective channel 13. The light transmission is as follows: Figure 6 As shown. When a light collector 2 is installed, one end of a light-collecting channel 21 is connected to one end of a reflective channel 13, which can realize the transmission of sunlight from the light-collecting channel 21 to the reflective channel 13.

[0071] Among them, the light collector 2 can be equipped with a reflector or a reflective prism with a specific angle design at the bend of the light collection channel 21, which can change the transmission path of sunlight and allow sunlight to be transmitted to the reflective surface 12.

[0072] In some embodiments, the solar cell 3 has a first encapsulation 4 on the side facing the light-incident surface 11 and a second encapsulation 5 on the side facing the reflective surface 12.

[0073] Specifically, such as Figure 4 and Figure 6 As shown, a first encapsulating material 4 is provided between the solar cell 3 and the light-incident surface 11. The first encapsulating material 4 can be bonded to the light-incident surface 11 and the solar cell 3 respectively, so that the light-incident surface 11 and the solar cell 3 can be reliably connected. A second encapsulating material 5 is provided on the side of the solar cell 3 facing the reflective surface 12. The second encapsulating material 5 can be bonded to the solar cell 3, so that the side of the solar cell 3 facing away from the light-incident surface 11 is fixed by the connection of the second encapsulating material 5.

[0074] Therefore, by setting the first encapsulant 4 and the second encapsulant 5 on both sides of the solar cell 3, the installation of the solar cell 3 can be more reliable and the structure more stable. Furthermore, the solar cell 3 can be encapsulated and protected on both sides, thereby improving the durability and stability of the solar power generation device 100.

[0075] Both the first encapsulation 4 and the second encapsulation 5 are made of light-transmitting material. This allows the first encapsulation 4 and the second encapsulation 5 to be light-transmitting, so that sunlight entering through the light-incident surface 11 passes through the first encapsulation 4 and enters one side of the solar cell 3, and sunlight reflected by the reflective surface 12 passes through the second encapsulation 5 and enters the other side of the solar cell 3. This shortens the sunlight transmission path, improves the sunlight transmission efficiency, and thus improves the light-gathering efficiency and light-gathering amount of the solar cell 3.

[0076] In specific applications, the first encapsulant 4 and the second encapsulant 5 contain high resistivity light-transmitting materials, such as EVA film and POE film.

[0077] In some embodiments, the solar power generation device 100 further includes a movable support 6, which is movably connected to the bottom of the device body 1 and is used to adjust the angle between the device body 1 and the horizontal direction.

[0078] Specifically, such as Figure 1 and Figure 7 As shown, the movable bracket 6 is connected to the bottom of the main body 1 of the device, enabling the connection between the solar power generation device 100 and the movable bracket 6. The movable bracket 6 is movable; by adjusting the movable bracket 6, the angle between the main body 1 of the device and the horizontal direction can be adjusted, changing the angle between the light-receiving surface 11 of the main body 1 and the horizontal direction. This allows sunlight to enter the reflective surface 12 perpendicularly, increasing the amount of light collected by the solar cells 3 on the light-receiving surface 11. The movable bracket 6 can be detachably connected to the main body 1 using bolts or other connecting parts, or it can be connected to the main body 1 using snap-fit ​​or plug-in methods.

[0079] The movable support 6 can be adjusted manually or automatically, offering a variety of options for flexible selection.

[0080] Therefore, the solar power generation device 100 can be adjusted at its angle to the horizontal direction via the movable support 6, allowing the solar power generation device 100 to absorb sunlight more fully, overcoming environmental limitations and expanding its application scenarios, thus making full use of solar energy. Furthermore, the movable support 6 can be used with existing standard supports, resulting in lower costs.

[0081] Among them, the solar power generation device 100 does not need to be equipped with the movable support 6, and can also be directly connected to other types of electrical equipment, which has more application scenarios and can be flexibly selected according to actual needs.

[0082] Additionally, it should be noted that in actual design, such as Figure 4 As shown, the main body 1 of the device may include a light-incident plate 14 and a reflector 15. The solar cell 3, the first encapsulant 4, and the second encapsulant 5 are respectively disposed between the light-incident plate 14 and the reflector 15. The light-incident plate 14 has a light-incident surface 11, and the reflector 15 has a reflective surface 12 on the side facing the solar cell 3. The light-incident plate 14 is located at the top of the main body 1, protecting the solar cell 3 from environmental influences. The main body 1 is a frame structure, providing mechanical support for the solar cell 3. The light-incident plate 14 can be made of transparent glass, with a glass thickness of 3.2mm or 4mm. The side of the reflector 15 facing away from the reflective surface 12 is a flat plate for support and protection. The material of the reflector 15 may include PVDF, PVF, PET, polyamide, and glass backing, etc., and the reflective surface 12 is printed with a reflective film layer to achieve reflectivity.

[0083] Furthermore, the main body 1 of the device is a closed structure, filled with inert gas for drying the interior of the main body 1. The light collector 2 contains metal and is used to collect and reflect sunlight onto the reflective surface 12. There are no specific restrictions on the type and combination of the light collector 2; it can be a plate type, a reflective type, a spherical type, a parabolic type, etc., to achieve all-around lighting of the solar power generation device 100.

[0084] Generally, when in use, the solar power generation device 100 is installed in the field, and during normal operation, the light-receiving plate 14 faces the sun, directly absorbing the sunlight through the light-receiving surface 11.

[0085] In the description of this specification, the references to terms such as "one embodiment," "some embodiments," "illustrative embodiment," "example," "specific example," or "some examples," etc., indicate that a specific feature, structure, material, or characteristic described in connection with that embodiment or example is included in at least one embodiment or example of the present invention. In this specification, the illustrative expressions of the above terms do not necessarily refer to the same embodiment or example. Furthermore, the specific features, structures, materials, or characteristics described may be combined in any suitable manner in one or more embodiments or examples.

[0086] Although embodiments of the present invention have been shown and described, those skilled in the art will understand that various changes, modifications, substitutions and alterations can be made to these embodiments without departing from the principles and spirit of the present invention, the scope of which is defined by the claims and their equivalents.

Claims

1. A solar power generation device, characterized in that, include: The device body contains a solar cell and has a light-incident surface and a reflective surface. At least one light collector is connected to the main body of the device and is used to guide light to the reflective surface; The reflective surface is constructed as a curved surface convex toward the solar cell or a plane inclined relative to the solar cell. The light-incident surface and the reflective surface are used to guide light to two mutually opposite sides of the solar cell, respectively.

2. The solar power generation device according to claim 1, characterized in that, The light-receiving surface, the solar cell, and the reflective surface are arranged facing each other along a first direction, and the light-collecting device is connected to the main body of the device along a second direction, with the first direction intersecting the second direction.

3. The solar power generation device according to claim 2, characterized in that, The light collector is configured as two, and the two light collectors are respectively located at both ends of the main body of the device in the second direction.

4. The solar power generation device according to claim 3, characterized in that, The reflective surface is configured to protrude from the center of the second direction toward the solar cell along the first direction.

5. The solar power generation device according to claim 4, characterized in that, The reflective surface is configured symmetrically with respect to the first direction.

6. The solar power generation device according to claim 2, characterized in that, The light collector is configured as one, and the light collector is located at one end of the main body of the device in the second direction.

7. The solar power generation device according to claim 6, characterized in that, The distance between the reflective surface and the solar cell is configured to gradually decrease in the direction away from the light collector.

8. The solar power generation device according to claim 2, characterized in that, A reflective channel is formed within the main body of the device between the solar cell and the reflective surface, and a light-collecting channel is formed within the light-collecting device, which is connected to the reflective channel.

9. The solar power generation device according to claim 1, characterized in that, The solar cell has a first encapsulation on the side facing the light-incident surface and a second encapsulation on the side facing the reflective surface. Both the first and second encapsulations are made of light-transmitting material.

10. The solar power generation device according to claim 1, characterized in that, It also includes a movable support, which is movably connected to the bottom of the device body and is used to adjust the angle between the device body and the horizontal direction.

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