Segmental type isocandela-based double-layer condensing lens and design method therefor

A technology of condensing lens and equal light intensity, applied in the field of condensing lens, can solve problems such as poor practicability

Active Publication Date: 2016-05-25
DONGGUAN SOUTH CHINA DESIGN INNOVATION INST +1
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Problems solved by technology

However, in today's single-layer Fresnel lens uniform concentrating system, there is a problem that it is only suitable for medium and low magnification concentrating systems and has poor practicability

Method used

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  • Segmental type isocandela-based double-layer condensing lens and design method therefor
  • Segmental type isocandela-based double-layer condensing lens and design method therefor
  • Segmental type isocandela-based double-layer condensing lens and design method therefor

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Embodiment Construction

[0079] In order to make the purpose, technical solutions and advantages of the present invention more clear, the following will be described in detail in conjunction with the examples. It should be understood that the specific embodiments described here are only used to explain the present invention, not to limit the present invention.

[0080] see Figure 1-5 , the present embodiment provides a segmented equal-intensity double-layer condensing lens, which includes a first condensing lens 1 and a second condensing lens 2 located below the first condensing lens, Both the first layer of condenser lens and the second layer of condenser lens are arranged horizontally. The first layer of condenser lens and the second layer of condenser lens are composed of several segments of condenser lenses connected end to end. The first layer of condenser lens and the second layer of condenser lens The middle section of the condensing lens of the condensing lens does not have internal teeth, a...

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Abstract

The invention discloses a segmental type isocandela-based double-layer condensing lens, comprising a first-layer condensing lens and a second-layer condensing lens, which are horizontally arranged. Each of the first-layer condensing lens and the second-layer condensing lens consists of a plurality of condensing lens which are connected end to end. Both the middle condensing lens of the first-layer condensing lens and the second-layer condensing lens are not provided with female teeth. Inner surfaces of all the condensing lens, expect the middle condensing lens, of the first-layer condensing lens are provided with a plurality of first female teeth, which are used to realize light isocandela and parallel emission of light onto the second-layer condensing lens. Inner surfaces of all the condensing lens, expect the middle condensing lens, of the second-layer condensing lens are provided with a plurality of second female teeth, which are used for generation of isocandela flares by the double-layer condensing lens. The invention also discloses a method for designing the double-layer condensing lens. The invention avoids the defects of non-uniform partial heating of photovoltaic panels, achieves excellent condensing performance and condensing uniformity and good wind-resistant effect, and decreases the frame height of the lens.

Description

technical field [0001] The invention relates to the technical field of condenser lenses, in particular to a segmented equal-intensity double-layer condenser lens and a design method thereof. Background technique [0002] In recent years, with the aggravation of the energy crisis, human beings urgently need a clean energy to alleviate the current energy crisis. However, due to technical limitations, the actual utilization of solar energy, which is a key research, is only half of the world's total power generation. 0.1%, which is equivalent to the total energy (4.3×1020J) that the ground can receive from sunlight for one hour. It can be seen that there is still a huge room for expansion in the utilization of solar energy, and one of the important research tasks in the utilization of solar energy is low-cost solar power generation. Concentrating light can overcome the disadvantage of low solar energy flux density, improve the efficiency of converting solar energy into electric...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G02B3/08G02B27/00G02B19/00
CPCG02B3/08G02B19/0009G02B19/0042G02B27/0012
Inventor 李弘郭承军吴贺扬伍嘉文曾晓南张金喜黄羽中李本栋
Owner DONGGUAN SOUTH CHINA DESIGN INNOVATION INST
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