A multi-level concentrated solar panel power generation device
By employing multi-level concentrating and spectral frequency division technologies, combined with waste heat power generation, the problems of geographical limitations and low diffused light utilization of photovoltaic power generation devices have been solved, achieving efficient light energy conversion and optimized land use.
Patent Information
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- ZHEJIANG UNIV OF TECH
- Filing Date
- 2025-05-28
- Publication Date
- 2026-06-19
AI Technical Summary
Existing photovoltaic power generation devices are geographically limited and have poor light capture capabilities, resulting in high costs for cross-regional power transmission, large land occupation, and low solar energy utilization.
The system employs multi-level light-concentrating technology, using a cubic light-concentrating cover and Fresnel lenses to focus light, combined with quartz prisms for spectral frequency division, and GaInP, GaAs, and Ge solar panels to absorb different wavelengths of the spectrum. At the same time, a waste heat generator is used to recover waste heat, forming a closed-loop cooling system.
It reduces reliance on areas with strong sunlight, reduces the cost of inter-regional power transmission and land occupation, increases the power generation density per unit area, and improves the overall power generation efficiency.
Smart Images

Figure CN224385455U_ABST
Abstract
Description
Technical Field
[0001] This application relates to the field of solar panel power generation devices, specifically a multi-level concentrating solar panel power generation device. Background Technology
[0002] Solar panel power generation devices, also known as photovoltaic power generation systems, are devices that directly convert solar energy into electrical energy using the photovoltaic effect of semiconductor materials.
[0003] Traditional photovoltaic power generation devices rely on areas with strong sunlight, resulting in high costs and losses for cross-regional power transmission. Even with existing concentrated photovoltaic power generation devices, a large area of installation space is required, and most single-concentration methods still waste a lot of diffused light. The utilization rate of sunlight needs to be improved. Overall, existing photovoltaic power generation devices have significant geographical limitations and poor diffused light capture capabilities.
[0004] Therefore, this application provides a multi-level concentrating solar panel power generation device to solve the above problems. Utility Model Content
[0005] This application provides a multi-level concentrating solar panel power generation device, which aims to solve the problems mentioned in the background art of existing photovoltaic power generation devices having large geographical limitations and poor light capture capabilities.
[0006] To achieve the above objectives, this application provides the following technical solution: a multi-level concentrating solar panel power generation device, comprising a cubic concentrator and a base fixedly installed at the bottom of the concentrator for supporting the concentrator, wherein the sides and top surface of the concentrator are both provided with Fresnel lenses, a photovoltaic module is disposed inside the concentrator and fixedly installed on the base, and a controller whose input terminal is connected to the photovoltaic module and a first storage battery connected to the output terminal of the controller are fixedly installed inside the base.
[0007] The photovoltaic module includes a heat collection block fixedly mounted on the base by a support column, a C-shaped frame disposed on the four sides and top of the heat collection block, a quartz prism fixedly connected to the center of the inner side of the C-shaped frame by a bracket for receiving light from the Fresnel lens and dispersing the light into ultraviolet, visible, and infrared light, and a GaInP, GaAs, and Ge solar panels fixedly connected to the three sides of the inner side of the C-shaped frame for receiving ultraviolet, visible, and infrared light respectively. The GaInP, GaAs, and Ge solar panels are all connected to the controller.
[0008] Preferably, all the quartz prisms are located at the focusing position of the Fresnel lens on the same side.
[0009] Preferably, the C-framework is a graphene-reinforced polymer.
[0010] Preferably, the C-shaped frame is connected to the heat collection block on three sides by a plurality of arrayed heat pipes.
[0011] Preferably, the heat collection block is internally fitted with a heat exchange coil.
[0012] Preferably, the outlet end of the heat exchange coil is connected to a waste heat generator, and the waste heat generator is connected to a second storage battery.
[0013] Preferably, the wastewater outlet of the waste heat generator is connected to an underground condenser box for pre-burying underground, and the water inlet end of the heat exchange coil is connected to the underground condenser box.
[0014] This multi-level concentrating solar panel power generation device reduces dependence on areas with strong sunlight through concentrating technology, making it suitable for low- and mid-latitude regions. It reduces the cost and loss of inter-regional power transmission, has a compact cubic structure, increases the power generation density per unit area, and reduces land occupation.
[0015] This multi-level concentrating solar panel power generation device uses Fresnel lenses to concentrate light and enhance light intensity, and uses a beam splitter to divide the spectrum. Then, different cells are used for targeted absorption, thereby improving the overall power generation efficiency.
[0016] This multi-level concentrating solar panel power generation device can recover waste heat by generating electricity from waste heat. On the one hand, it dissipates heat from the photovoltaic modules, and on the other hand, it uses waste heat to generate electricity, thus further improving the overall power generation efficiency. Attached Figure Description
[0017] Figure 1 This is a schematic diagram of a multi-level concentrating solar panel power generation device.
[0018] Figure 2 This is a schematic diagram of the split structure of a multi-level concentrating solar panel power generation device;
[0019] Figure 3 for Figure 2 Enlarged structural diagram at point A;
[0020] Figure 4 This is a schematic diagram of the internal structure of the base of a multi-level concentrating solar panel power generation device.
[0021] In the picture:
[0022] 1. Condenser; 11. Fresnel lens;
[0023] 2. Base; 21. Support column;
[0024] 3. Photovoltaic module; 31. Heat collector block; 311. Heat exchange coil; 3111. Water outlet; 3112. Water inlet; 32. C-shaped frame; 321. GaInP solar panel;
[0025] 322. GaAs solar panel; 323. Ge solar panel; 33. Bracket; 34. Quartz prism; 35. Heat pipe;
[0026] 4. Controller;
[0027] 5. First storage battery;
[0028] 6. Waste heat generator;
[0029] 7. Second storage battery;
[0030] 8. Underground condenser box. Detailed Implementation
[0031] The technical solutions of the embodiments of this application will be clearly and completely described below with reference to the accompanying drawings. Obviously, the described embodiments are only some embodiments of this application, and not all embodiments. Based on the embodiments of this application, all other embodiments obtained by those skilled in the art without creative effort are within the scope of protection of this application.
[0032] Example 1
[0033] This embodiment provides a multi-level concentrating solar panel power generation device, such as... Figures 1-4 As shown, the multi-level concentrating solar panel power generation device includes a cubic concentrator 1 and a base 2 fixedly installed at the bottom of the concentrator 1 to support the concentrator 1. The sides and top of the concentrator 1 are both provided with Fresnel lenses 11. A photovoltaic module 3 is fixedly installed inside the concentrator 1 and on the base 2. A controller 4 with its input end connected to the photovoltaic module 3 and a first storage battery 5 with its output end connected to the controller 4 are fixedly installed inside the base 2.
[0034] The photovoltaic module 3 includes a heat collection block 31 fixedly mounted on the base 2 via a support column 21, a C-shaped frame 32 disposed on the four sides and top of the heat collection block 31, a quartz prism 34 fixedly connected to the center of the inner side of the C-shaped frame 32 via a bracket 33 for receiving light from the Fresnel lens 11 and dispersing the light into ultraviolet, visible and infrared light, and GaInP solar panels 321, GaAs solar panels 322 and Ge solar panels 323 fixedly connected to the three sides of the inner side of the C-shaped frame 32 for receiving ultraviolet, visible and infrared light respectively. The GaInP solar panels 321, GaAs solar panels 322 and Ge solar panels 323 are all connected to the controller 4, and the quartz prism 34 is located at the light-gathering position of the Fresnel lens 11 on the same side.
[0035] In use, a cubic concentrator 1 achieves multi-level light concentration, with Fresnel lenses 11 on its sides and top surface to focus sunlight onto the internal photovoltaic module 3. The photovoltaic module 3 consists of a heat collector 31, a C-shaped frame 32, and a quartz prism 34. The quartz prism 34 disperses the light into ultraviolet, visible, and infrared light, which are received by GaInP, GaAs, and Ge solar panels 321, 322, and 323, respectively. These three types of panels are designed for different wavelengths of the spectrum, achieving spectral frequency division and significantly improving photoelectric conversion efficiency. The controller 4 manages the output of the solar panels, ensuring stable energy storage in the first battery 5.
[0036] Example 2
[0037] Unlike Example 1, high concentration of light brings high heat, which can affect the durability and service life of the entire power generation device and also cause waste of thermal energy. Therefore, the C-shaped frame 32 is made of graphene-reinforced polymer. The three sides of the C-shaped frame 32 are connected to the heat collection block 31 through a number of arrayed heat pipes 35. The heat collection block 31 is embedded with a heat exchange coil 311. The outlet end 3111 of the heat exchange coil 311 is connected to a waste heat generator 6. The waste heat generator 6 is connected to a second battery 7. The wastewater outlet of the waste heat generator 6 is connected to a buried condenser box 8 for pre-buried underground. The inlet end 3112 of the heat exchange coil 311 is connected to the buried condenser box 8.
[0038] Utilizing the high thermal conductivity of graphene, the heat generated by the solar panel is rapidly transferred to the heat pipe 35. The heat pipe 35 is connected to the heat collector block 31 through an array distribution. The phase change of the working fluid inside the heat pipe achieves efficient heat conduction, rapidly transferring heat from the C-shaped frame 32 to the heat collector block 31. The heat exchange coil 311 embedded in the heat collector block 31 draws cooling water from the underground condenser box 8 through the water inlet 3112. When the water flows through the coil, it absorbs the heat from the heat collector block 31. After being heated, it is transported from the water outlet 3111 to the waste heat generator 6. The waste heat generator 6, such as an organic Rankine cycle generator, uses the high-temperature water flow to drive the turbine to rotate, thereby driving the generator to generate electricity. The electrical energy is stored in the second battery 7. The wastewater after power generation enters the underground condenser box 8, where the water temperature is reduced by the natural cooling effect of the underground soil, and then circulates back to the heat exchange coil 311, forming a closed-loop cooling system.
[0039] The above description is merely a preferred embodiment of this application, but the scope of protection of this application is not limited thereto. Any equivalent substitutions or modifications made by those skilled in the art within the scope of the technology disclosed in this application, based on the technical solution and concept of this application, should be included within the scope of protection of this application.
Claims
1. A multi-level concentrating solar panel power generation device, characterized in that: The device includes a cubic-shaped light-collecting cover (1) and a base (2) fixedly installed at the bottom of the light-collecting cover (1) to support the light-collecting cover (1). The sides and top surface of the light-collecting cover (1) are both provided with Fresnel lenses (11). A photovoltaic module (3) is fixedly installed inside the light-collecting cover (1) on the base (2). A controller (4) with its input end connected to the photovoltaic module (3) and a first storage battery (5) connected to the output end of the controller (4) are fixedly installed inside the base (2). The photovoltaic module (3) includes a heat collection block (31) fixedly mounted on the base (2) by a support column (21), a C-shaped frame (32) set on the four sides and top of the heat collection block (31), a quartz prism (34) fixedly connected to the center of the inner side of the C-shaped frame (32) by a bracket (33) for receiving light from the Fresnel lens (11) and dispersing the light into ultraviolet light, visible light and infrared light, and a GaInP solar panel (321), a GaAs solar panel (322) and a Ge solar panel (323) fixedly connected to the three sides of the inner side of the C-shaped frame (32) for receiving ultraviolet light, visible light and infrared light respectively. The GaInP solar panel (321), the GaAs solar panel (322) and the Ge solar panel (323) are all connected to the controller (4).
2. The multi-tier concentrated solar panel power plant of claim 1, wherein: The quartz prisms (34) are all located at the focusing position of the Fresnel lens (11) on the same side.
3. The multi-tier concentrated solar panel power plant of claim 2, wherein: The C-frame (32) is a graphene-reinforced polymer.
4. The multi-tier concentrated solar panel power plant of claim 3, wherein: The C-shaped frame (32) is connected to the heat collection block (31) on three sides by a number of arrayed heat pipes (35).
5. The multi-tier concentrated solar panel power plant of claim 4, wherein: The heat collection block (31) is internally fitted with a heat exchange coil (311).
6. The multi-tier concentrated solar panel power plant of claim 5, wherein: The outlet end (3111) of the heat exchange coil (311) is connected to a waste heat generator (6), and the waste heat generator (6) is connected to a second battery (7).
7. The multi-tier concentrated solar panel power plant of claim 6, wherein: The wastewater outlet of the waste heat generator (6) is connected to an underground condenser box (8) for pre-buried underground, and the water inlet (3112) of the heat exchange coil (311) is connected to the underground condenser box (8).