Solar axisymmetric parallel light ultrathin condenser
An axisymmetric and parallel light technology, applied in the field of solar energy utilization, can solve the problems of limiting the efficiency of solar trough thermal power generation and large energy loss, and achieve the effects of reduced processing difficulty, high concentrating temperature, and high concentrating radiation power
Inactive Publication Date: 2012-07-25
URUMUQI INTEGRATED DUOWEI ELECTRONICS TECH
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Problems solved by technology
Due to the long pipeline of the heat collecting vacuum tube, the energy loss is relatively large, so that the operating temperature of the internal heat transfer oil heat transfer medium can only reach about 400 °C, and can only stay in the middle temperature stage, thus limiting the use of solar trough thermal power generation efficiency
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[0037] Such as figure 1 , figure 2 As shown, the present invention provides a kind of solar axisymmetric parallel light ultra-thin concentrator, consists of annular converging lens plate 11, annular diverging lens plate 13, first reflector 21, i reflector 22, p reflector 24, frame 18 Composed, and fixed and installed as a whole through the frame 18, there is a common axis of symmetry 19; the first reflector 21, the i-th reflector 22, and the p-th reflector 24 are nested and installed on the side of the annular diverging lens plate 13 that emits light. Among them, 1<i<p, i and p are both positive integers;
[0038]The ring-shaped converging lens plate 11 and the annular diverging lens plate 13 are light-transmitting materials, such as light-transmitting glass, light-transmitting plastic, etc.; the side of the ring-shaped converging lens plate 11 facing the sun’s incident light 3 is a plane, so as to facilitate cleaning and prevent accumulation of dust; N annular converging ...
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The invention discloses a solar axisymmetric parallel light ultrathin condenser. The condenser comprises a ring-shaped converging lens board, a ring-shaped diverging lens board, a first reflector, i reflectors, p reflectors and frames, wherein corresponding n-numbered ring-shaped converging lenses and ring-shaped diverging lenses are arranged on the ring-shaped converging lens board and the ring-shaped diverging lens board; output reflecting conical surfaces are arranged on the first reflector; output reflecting conical surfaces and normal reflecting conical surfaces are arranged on the i reflectors; normal reflecting conical surfaces are arranged on the p reflectors; the incident sunlight passes through the ring-shaped converging lenses and the ring-shaped diverging lenses to form lens condensed parallel light; reflection light is formed through the normal reflecting conical surfaces; and then condensed output light is formed through the output reflecting conical surfaces. The device has the following beneficial effects that: the incident sunlight on the surface can be completely converted to condensed light; the condensed output light and the incident sunlight are parallel and are propagated in the same direction; the condensation region is behind the condenser; the condensation distance is short; the processing difficulty is low; the condensed light radiation efficiency is high; and the condensed light is uniform in radiation and distribution.
Description
[0001] technical field [0002] The invention relates to the technical field of solar energy utilization, in particular to an optical device for concentrating sunlight. Background technique [0003] Solar energy is a clean and pollution-free renewable energy, inexhaustible and inexhaustible. Fully exploiting solar energy can not only save the increasingly depleted conventional energy, alleviate the severe shortage of resources, but also reduce pollution and protect human beings. ecological environment for survival. [0004] Among the many solar energy utilization technologies, the most common are solar photovoltaic power generation, solar thermal power generation, and solar water heaters. At present, in solar photovoltaic power generation, most of them use the photovoltaic power generation technology of silicon cells, and silicon cells only convert about 15% of the solar energy reaching the ground into electrical energy, and the overall utilization efficiency of solar energ...
Claims
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Login to View More IPC IPC(8): G02B19/00G02B7/182G02B7/02G02B3/00
Inventor 张德胜屈瑞
Owner URUMUQI INTEGRATED DUOWEI ELECTRONICS TECH