A Sunlight Concentrating System Based on Fresnel Lens
A Fresnel lens and condensing system technology, applied in the field of sunlight concentrating, can solve the problems of high cost of sunlight introduction system, unstable system performance, complex structure of concentrator, etc., and achieve high concentrating multiple and low cost. , the effect of reducing the number of lenses
Active Publication Date: 2020-12-18
JIANGSU UNIV
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Problems solved by technology
Due to the complexity of the tracking device's own circuit, the system performance is unstable, the failure rate is high, and the structure of the concentrator is complicated, resulting in high cost of the sunlight introduction system of the tracking device
Method used
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[0045] The present invention will be further described below in conjunction with the accompanying drawings and specific embodiments, but the protection scope of the present invention is not limited thereto.
[0046] Such as Figure 1-3 As shown, a kind of sunlight concentrating system based on Fresnel lens according to the present invention includes Fresnel lens 1, lens barrel 2, glass cone rod group, six first monitoring boxes 5, the first light transmission Optical fiber 6, illumination diffuser 7, feedback optical fiber 8, second monitoring box 9, tracking device and control system.
[0047] Such as figure 2 As shown, the lens barrel 2 is a hollow cylinder with an opening at one end and a closed end at the other end. The Fresnel lens 1 is installed on one end of the opening of the lens barrel 2 , and a closed space 15 is formed between the lens barrel 2 and the Fresnel lens 1 . The glass cone rod group is installed on the closed surface of the other end of the lens barre...
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The invention provides a sunlight concentration system based on a Fresnel lens. The system comprises a lens cone arranged on a tracking device, one end of the lens cone is provided with the Fresnel lens, the other end of the lens cone is provided with a condensation glass cone bar coaxial with the Fresnel lens and tracking glass cone bars tightly arranged on the outer side of the condensation glass cone bar, the condensation glass cone bar is connected with an illuminating diffuser through a first light transmission optical fiber, the emergence end faces of the tracking glass cone bars are connected with a first diffuser inside a first montorign box, the first diffuser is right opposite to a first photocell, one end of a feedback optical fiber is connected with the illuminating diffuser, the other end of the feedback optical fiber is connected with a second diffuser in a second detection box, the second diffuser is right opposite to a second photocell, and the two photocells and the tracking device are both electrically connected with a control system. The feedback optical fiber collects the strength information of sunlight output by the first light transmission optical fiber, thesunlight condensation condition is directly fed back, therefore, the tracking system is more effectively controlled and adjusted, and closed loop control is achieved.
Description
technical field [0001] The invention relates to the technical field of sunlight concentrating, in particular to a sunlight concentrating system based on a Fresnel lens. Background technique [0002] Due to the aggravation of energy shortage and environmental pollution, finding and developing new energy and renewable energy has become an effective way for human beings to solve the energy crisis. Solar energy has become an ideal alternative energy source due to its unlimited reserves and clean utilization. However, due to the uneven distribution and uneven intensity of sunlight in various regions, it is difficult to develop and utilize the sun. . [0003] Utilizing solar energy for lighting is an important branch of the field of solar energy utilization. At present, there are mainly two ways to use solar energy for lighting: one is to use solar cells to convert light energy into electrical energy, and the electrical energy is stored in batteries or directly transmitted to th...
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IPC IPC(8): F21S11/00F21V5/04
CPCF21S11/005F21V5/045
Inventor 陈明阳王玲徐小明白彤彤
Owner JIANGSU UNIV