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CN-121984417-A - Photovoltaic power generation device

CN121984417ACN 121984417 ACN121984417 ACN 121984417ACN-121984417-A

Abstract

The invention discloses a photovoltaic power generation device, which relates to the technical field of photovoltaic power generation and comprises a supporting plate, a plurality of supporting bases, a plurality of mounting bases and a plurality of photovoltaic structures, wherein the supporting bases are arranged on the supporting plate, the supporting bases are surrounded to form a platform structure with a high center and a low periphery, the mounting bases are arranged at the top of the supporting bases in a one-to-one correspondence manner, and the photovoltaic structures are arranged on the mounting bases in a one-to-one correspondence manner. The invention remarkably improves the capturing and recycling efficiency of low-angle incident light and reflected light by constructing a platform layout with high center and low periphery and independently adjustable postures of each unit and cooperating with a secondary reflection mechanism of the central unit, realizes the efficient collection of all-weather and multi-dimensional light, and simultaneously, the device can be unfolded into a spherical structure to enlarge a ventilation gap and effectively promote heat dissipation.

Inventors

  • HU CHUNLI
  • TANG SHUAISHUAI

Assignees

  • 江苏天电新能源科技有限公司

Dates

Publication Date
20260505
Application Date
20260123

Claims (10)

  1. 1. A photovoltaic power generation device, comprising: A support plate (1); the support bases (3) are arranged on the support plate (1), and the support bases (3) are arranged in a surrounding mode to form a platform structure with high center and low periphery; the mounting bases (4) are arranged at the top of each supporting base (3) in a one-to-one correspondence manner; the photovoltaic structures (2) are arranged on the mounting bases (4) in a one-to-one correspondence manner; The photovoltaic structure (2) positioned in the center of the platform structure can be used as a deflection device to adjust the reflection angle and reflect sunlight to the photovoltaic structure (2) positioned at the edge of the platform structure, the photovoltaic structure (2) positioned at the edge of the platform structure is provided with a reflecting plate assembly for reflecting the received reflected light to a photovoltaic plate (34) of the photovoltaic structure again, and the posture of each photovoltaic structure (2) can be independently adjusted to track the sunlight or change the form.
  2. 2. The photovoltaic power generation device according to claim 1, characterized in that the photovoltaic structure (2) comprises: a first limiting plate (20) and a second limiting plate (32); a plurality of extension plates (31) are arranged on the periphery of the second limiting plate (32); a plurality of first photovoltaic devices (23) rotatably connected to the periphery of the first limiting plate (20) through a first connecting structure (33); the plurality of extension plates (31) are rotationally connected with the periphery of the second limiting plate (32) through a second connecting structure (33); A plurality of second photovoltaic devices (24) rotatably connected to the extension plate (31) by second connection structures (33); and a control motor (18) connected with the first connecting structure (33) and the second connecting structure (33) and used for driving the first photovoltaic device (23) and the second photovoltaic device (24) to rotate so as to adjust the angle.
  3. 3. The photovoltaic power generation device according to claim 2, characterized in that the first connection structure (33) and the second connection structure (33) each comprise: A pair of mounting plates (26) respectively fixed to the two members connected to each other; a connecting member (17) disposed between the pair of mounting plates (26); A rotating shaft (19) penetrating through the connecting piece (17) and connected with the mounting plate (26) at both ends; wherein the control motor (18) is connected with one of the mounting plates (26) and is used for driving the connecting piece (17) to rotate around the rotating shaft (19).
  4. 4. The photovoltaic power generation device according to claim 2, characterized in that the photovoltaic structure (2) further comprises guiding traction means (25); The top of the first limiting plate (20) and the bottom of the second limiting plate (32) are respectively fixedly provided with the guiding traction device (25); The guiding traction device (25) comprises a rotating motor (28) and a transmission piece (27), and the output end of the rotating motor (28) is connected with the transmission piece (27); The transmission rod (10) vertically penetrates through the first limiting plate (20) and the second limiting plate (32) and is in transmission fit with the transmission piece (27); a connecting plate (21) is arranged at the top end of the transmission rod (10) to limit the photovoltaic structure (2); the transmission piece (27) is driven to rotate through the rotating motor (28), the transmission rod (10) is driven to rotate, and then the first limiting plate (20) and the second limiting plate (32) are driven to relatively displace along the axial direction of the transmission rod (10) so as to draw the first photovoltaic device (23) and the second photovoltaic device (24) to change the gesture.
  5. 5. The photovoltaic power generation device according to claim 4, characterized in that the reflector plate assembly in the photovoltaic structure (2) at the edge of the platform structure comprises: The traction plate (30) is sleeved on the transmission rod (10); a plurality of reflecting plates (29), one end of which is rotationally connected with the traction plate (30), and the other end of which is arranged on the first limiting plate (20) in a sliding way; The guiding traction device (25) arranged on the first limiting plate (20) can drive the traction plate (30) to move along the transmission rod (10), so that the angle of the reflecting plates (29) is driven to change.
  6. 6. The photovoltaic power generation device according to claim 2, characterized in that the first photovoltaic device (23) and the second photovoltaic device (24) each comprise: a mounting frame (15); a photovoltaic panel (34) embedded within the mounting frame (15); a protective plate (16) that is provided on the mounting frame (15) and covers the photovoltaic panel (34); The mounting box (35) is arranged on one side, far away from the connecting structure (33), of the mounting frame (15), and at least one winding shaft (36) is arranged in the mounting box (35); And the connecting cloth (22) is rolled on the rolling shaft (36) and is used for connecting the adjacent first photovoltaic device (23) and the second photovoltaic device (24).
  7. 7. The photovoltaic power generation device according to claim 4, wherein the photovoltaic structure (2) can move along the transmission rod (10) in opposite directions through the first limiting plate (20) and the second limiting plate (32), so that the first photovoltaic device (23) and the second photovoltaic device (24) are unfolded to be in a spherical structure to enlarge a device gap for heat dissipation.
  8. 8. Photovoltaic power plant according to claim 1, characterized in that the support plate (1) is provided with a plurality of radially extending guide grooves (5); The supporting base (3) positioned at the edge of the platform structure is arranged in the guide groove (5) in a sliding manner; The side surface of the supporting base (3) positioned in the center of the platform structure is provided with a threaded rod (13), and the threaded rod (13) penetrates through the adjacent supporting base (3) positioned at the edge and is in threaded fit with the adjacent supporting base; the center support base (3) is internally provided with a driving motor (6) for driving the threaded rod (13) to rotate, the threaded rod (13) is driven to rotate by the driving motor (6), and the support base (3) at the driving edge moves radially along the guide groove (5).
  9. 9. The photovoltaic power generation device according to claim 1, characterized in that the photovoltaic structure (2) is fixed to the mounting base (4) by a mounting structure; The mounting structure includes: The mounting block (11) is rotationally connected with the bottom of the transmission rod (10) of the photovoltaic structure (2); the mounting base (4) is provided with a mounting groove (8), and a connecting inserted link (12) is arranged in the mounting groove (8); The fixing plate (9) is fixed on the top of the mounting base (4) through a mounting bolt (7), and the mounting bolt (7) is matched with a fixing screw groove (14) formed in the mounting base (4); The mounting block (11) is accommodated in the mounting groove (8) and is connected with the mounting base (4) through the connecting inserting rod (12), and the mounting block (11) is pressed and fixed by the fixing plate (9).
  10. 10. The photovoltaic power generation device according to claim 1, characterized in that a storage battery is provided in the mounting base (4), which supplies the photovoltaic structure (2) with power through a connection plug (12) and can be connected with an external power source to store power.

Description

Photovoltaic power generation device Technical Field The invention relates to the technical field of photovoltaic power generation, in particular to a photovoltaic power generation device. Background Along with the increasing global demand for clean energy, photovoltaic power generation technology is widely applied due to the advantages of environmental protection, reproducibility and the like. The core of the photovoltaic power generation is to efficiently convert solar energy into electric energy, and the conversion efficiency directly influences the power generation capacity and the economy of the whole system. In order to maximize the light energy capture per unit area, industry is continually seeking to increase the overall energy yield of the system by optimizing the arrangement, ray tracing capability, and heat dissipation performance of the photovoltaic modules. At present, common technical means for improving the efficiency of a photovoltaic system mainly comprise the steps of adopting a fixed inclination angle for installation, wherein the mode cannot adapt to the whole day change of the position of the sun, an inherent upper limit exists on the energy capturing efficiency, adopting a single-axis or double-axis sun tracking system to enable a photovoltaic panel to follow the movement of the sun, improving the utilization rate of direct light by the system, generally complicating the mechanical structure, having higher cost and still improving the capturing efficiency of sunlight at a low angle in the morning and evening, and adopting a concentrating photovoltaic technology to concentrate light on a small-area efficient photovoltaic cell by utilizing a lens or a reflecting mirror, wherein the precise direct light tracking is generally required, and the heat dissipation challenge exists. Despite the advances made in the art, there are still some significant drawbacks. Firstly, the conventional tracking system is mainly focused on angle adjustment of a single photovoltaic panel or a photovoltaic array, the layout form is single, and light rays can be efficiently collected under low-angle illumination conditions (such as early morning or evening) difficultly. Second, existing systems often lack a mechanism to secondarily distribute and utilize the light that has impinged upon the device, and some of the reflected or scattered light energy is wasted. Furthermore, in a high irradiance environment, the temperature of the photovoltaic panel is increased to significantly reduce the conversion efficiency, and the existing tightly arranged photovoltaic array often has poor heat dissipation. In addition, the compound photovoltaic device capable of realizing multidimensional and cooperative adjustment is complex in structure, and the adjustment flexibility, the heat dissipation capacity and the light cooperative utilization capacity among different units are still to be improved. Disclosure of Invention Based on the above, the invention aims to provide a photovoltaic power generation device so as to solve the technical problem that the light energy collection efficiency of the traditional photovoltaic device is low when the sun irradiates at a low angle. The photovoltaic power generation device comprises a supporting plate, a plurality of supporting bases, a plurality of mounting bases and a plurality of photovoltaic structures, wherein the supporting bases are arranged on the supporting plate, the supporting bases are arranged on the supporting plate in a surrounding mode to form a platform structure with a high center and a low periphery, the mounting bases are arranged on the top of the supporting bases in a one-to-one correspondence mode, the photovoltaic structures are arranged on the mounting bases in a one-to-one correspondence mode, the photovoltaic structures in the center of the platform structure can be used as deflection devices to adjust reflection angles and reflect sunlight to the photovoltaic structures at the edges of the platform structure, the photovoltaic structures at the edges of the platform structure are provided with reflecting plate assemblies and are used for reflecting received reflected light to the photovoltaic plates of the photovoltaic structures again, and the posture of each photovoltaic structure can be independently adjusted to track sunlight or change forms. The photovoltaic structure further comprises a first limiting plate and a second limiting plate, wherein a plurality of extending plates are arranged on the periphery outside the second limiting plate, a plurality of first photovoltaic devices are rotatably connected with the periphery of the first limiting plate through a first connecting structure, and a plurality of extending plates are rotatably connected with the periphery of the second limiting plate through a second connecting structure. The control motor is connected with the first connecting structure and the second connecting structure and used for driving the