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Fresnel solar collector

A technology of solar heat collection and sunlight, which is applied in the field of solar collectors, can solve the problems of low sunlight concentration efficiency and inflexible control, and achieve the effect of efficient use of solar energy

Inactive Publication Date: 2010-10-13
YIKEBO ENERGY TECH SHANGHAI
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0003] The purpose of the present invention is to provide a Fresnel solar heat collector to overcome the defects of low sunlight concentration efficiency and inflexible control of existing linear Fresnel solar heat collectors

Method used

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Examples

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Embodiment Construction

[0021] see figure 1 and figure 2 As shown, it is a structural diagram of a Fresnel solar heat collection device implementing the present invention. The Fresnel solar heat collection device 1 includes a light concentrating unit 10 and a receiving unit 11 . Wherein the concentrating unit 10 is provided with multiple rows, and each row of concentrating units 10 includes a plurality of concentrating modules 100, and each concentrating module 100 surface is provided with a strip reflector 101 to reflect the sunlight irradiated thereon to the receiving unit 11. In addition, the concentrating unit 10 is also provided with a first tracking device (not shown) for tracking the sun, and the first tracking device is used to drive each row of concentrating modules 100 to rotate around an axis parallel to the receiving unit 11 to track the sun. daytime exercise, and from figure 2 It can be seen that the initial angle ρ between different rows of concentrating units 10 and the horizontal...

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Abstract

The invention discloses a Fresnel solar collector, comprising a receiving unit and a condenser unit. The receiving unit is arranged above the condenser unit to receive sun lights condensed by the condenser unit, the condenser unit comprises a plurality of condenser modules, each condenser module can rotate around an axial line parallel to the axial line of the receiving unit to reflect the sun lights to the receiving unit, and at least a part of condenser modules can further rotate around a second axial line vertical to the axial line of the receiving unit so as to better track the motion of the sun and dynamically adjust the focusing position of the condenser module according to the radiation strength of the sun, and the purpose of efficiently utilizing solar power is achieved.

Description

【Technical field】 [0001] The invention relates to a solar heat collector, in particular to a Fresnel solar heat collector. 【Background technique】 [0002] The linear Fresnel solar heat collection device mainly includes a linear Fresnel reflector (Linear Fresnel Reflector, LFR) system and a receiving unit, the linear Fresnel reflector system includes a linear reflector field, and the linear reflector field consists of It consists of multiple reflectors arranged side by side in parallel, and these reflectors can be driven by a tracking device to track the movement of the sun. The sunlight reflected by these reflectors is concentrated and irradiated into a receiving unit arranged above these reflectors, and the solar energy is converted into thermal energy through the receiving unit. Generally, one receiving unit can be arranged between multiple reflectors, so as to receive sunlight reflected by the multiple reflectors. This related prior art can refer to the PCT patent appli...

Claims

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Application Information

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IPC IPC(8): F24J2/00F24J2/38F24J2/50F24J2/46F24J2/10F24J2/24F24S10/70F24S23/70F24S50/20
CPCY02E10/44Y02E10/47F24S2023/872F24S23/77Y02E10/40
Inventor 任松林钱弢
Owner YIKEBO ENERGY TECH SHANGHAI