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Solar photovoltaic system

A solar photovoltaic and photovoltaic system technology, applied in photovoltaic modules, photovoltaic power generation, optics, etc., can solve problems such as affecting the total power of photovoltaic systems, reducing sunlight utilization, etc., to achieve uniform intensity distribution, consistent photovoltaic cell area, and cost reduction Effect

Inactive Publication Date: 2011-08-17
苏州震旦科技有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

This phenomenon will reduce the utilization of sunlight and affect the total power of the photovoltaic system

Method used

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  • Solar photovoltaic system
  • Solar photovoltaic system

Examples

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Embodiment

[0029] Embodiment: a kind of solar photovoltaic system, as attached Figure 1-8 As shown, it includes a photovoltaic cell 1 and a solar tracker, and a circular optical concentrating element 2 for concentrating light is arranged above the photovoltaic cell 1, and the optical concentrating element 2 includes an incident surface facing the sun 3 and the exit surface 4, the exit surface 4 is provided with several sequentially connected serrated concentric rings 5, each serrated concentric ring 5 has the same radial width, and each serrated concentric ring 5 includes a second concentric ring 5 perpendicular to the exit surface 4 A surface 6 and a second surface 7, the second surface 7 is arc-shaped and aspherical, one end of the second surface 7 is connected to the outgoing surface 4, the other end of the second surface 7 is connected to the first surface 6 The other end is connected;

[0030] Taking the center of circle of the optical concentrating element 2 as the origin of coor...

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Abstract

The invention provides a solar photovoltaic system, which comprises a photovoltaic battery and a sun tracker. A round optical condensation component for condensing light is arranged in front of the photovoltaic battery and comprises an incident face and an emergent face; the emergent face is provided with a plurality of sawtooth concentric rings which are connected in sequence; the radial widths of the sawtooth concentric rings are equal, and each sawtooth concentric ring comprises a first surface which is vertical to the emergent face and a second surface which is arc-shaped and aspherical; one end of the second surface is connected to the emergent face, and the other end of the second face is connected with the other end of the first surface; and each point coordinate on the second surface of the Nth sawtooth concentric ring is shown as (x,y) which meets a specific formula, and a light evener is arranged between the photovoltaic battery and the optical condensation component. The focal spots formed by the solar photovoltaic system are smaller in size and stable in formed position, the condensation ratio is high, the light spots are influenced by band numbers slightly, and the light spots received by the photovoltaic battery are even, thus the integral photoelectric conversion efficiency and flexibility of the photovoltaic system can be improved.

Description

technical field [0001] The invention relates to a solar photovoltaic system, which belongs to the field of solar energy applications. Background technique [0002] The energy issue has become an important issue in my country's economic development. The utilization of renewable energy will become the key to solve the energy supply and energy security in our country. Among them, solar power generation is the most ideal new energy source. Despite the rapid development of solar power generation technology, there are still problems such as high cost and low efficiency. Concentrating photovoltaic solar technology (CPV) combines traditional solar photovoltaic technology with large-scale concentrated solar power plants to greatly enhance solar energy production. Concentrating photovoltaic solar technology (CPV) concentrates a certain area of ​​light through a concentrating system in a narrow area, namely the focal spot, by means of concentrating light. Solar cells only need the s...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H02N6/00G02B19/00G02B3/08H02S40/20H02S40/22
CPCY02E10/50
Inventor 王钦华薛银飞刘立旺沈安珍
Owner 苏州震旦科技有限公司
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