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Tracking-free light-condensing device for photovoltaic system

A concentrating device and photovoltaic system technology, applied in the direction of photovoltaic power generation, photovoltaic modules, electrical components, etc., can solve problems such as inability to meet market-oriented applications, and achieve the effects of increasing the receiving angle, reducing costs, and operating efficiently

Inactive Publication Date: 2016-06-01
SUZHOU INST OF NANO TECH & NANO BIONICS CHINESE ACEDEMY OF SCI
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  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

Although the structures of these photovoltaic power generation devices are relatively novel, they cannot meet the needs of market-oriented applications at the current technical level. Requirements

Method used

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  • Tracking-free light-condensing device for photovoltaic system

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Embodiment Construction

[0022] Hereinafter, embodiments of the present invention will be described in detail with reference to the accompanying drawings. This invention may, however, be embodied in many different forms and should not be construed as limited to the specific embodiments set forth herein. Rather, the embodiments are provided to explain the principles of the invention and its practical application, thereby enabling others skilled in the art to understand the invention for various embodiments and with various modifications as are suited to particular intended uses. In the drawings, the shapes and dimensions of elements may be exaggerated for clarity, and the same reference numerals will be used throughout to designate the same or like elements.

[0023] figure 1 is a schematic cross-sectional view of a tracking-free concentrating device for a photovoltaic system according to an embodiment of the present invention, figure 2 is a schematic structural view of the main concentrator accordi...

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Abstract

The invention discloses a tracking-free light-condensing device for a photovoltaic system. The tracking-free light-condensing device comprises a reflective secondary optical element (10), a main condenser (20), and a transmittance secondary optical element (30). The reflective secondary optical element (10) is configured in funnel-shaped structure equipped with a first port (11) and a second port (22). The main condenser (20) is connected with the first port (11) of the reflective secondary optical element (10) and comprises a condensing lens (21) and a support member (22). The condensing lens (21) is fixed to the support member (22) and is used for condensing sunlight preliminarily. The transmittance secondary optical element (30) is connected with the second port (22) of the reflective secondary optical element (10) and is mainly used for condensing the sunlight preliminarily condensed by the main condenser (20) and the sunlight reflected by the reflective secondary optical element (10) again, and transferring the sunlight condensed again to the surface of a solar cell. The light-condensing device may reduce the cost of photovoltaic power generation by means of simple combination.

Description

technical field [0001] The invention belongs to the field of optoelectronic technology, and in particular relates to a tracking-free concentrating device for a photovoltaic system. Background technique [0002] As the reserves of fossil energy continue to decrease and the cost of fossil energy continues to rise, people begin to pay attention to the development and utilization of renewable energy. Solar energy is the most abundant renewable energy on the earth, and photovoltaic power generation has been greatly developed as a technology to develop new and pollution-free solar energy resources. Among them, concentrating photovoltaic power generation technology, as a branch of photovoltaic power generation field, has attracted more and more attention due to its ultra-high power generation efficiency and large cost reduction space. [0003] In photovoltaic power generation technology, the key to the economical and efficient use of solar energy lies in whether the concentration ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H02S40/22
CPCY02E10/52
Inventor 宋贺伦茹占强王秋阳戴高环张耀辉
Owner SUZHOU INST OF NANO TECH & NANO BIONICS CHINESE ACEDEMY OF SCI
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