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Solar concentrating lens and heat collecting device

A solar concentrating and solar heat collecting technology, which is applied in the field of solar energy utilization, can solve the problems of high heating temperature of the concentrating mirror and easy damage to the heat collector, and achieve the effect of overcoming high cost and lowering temperature

Inactive Publication Date: 2018-06-29
优晖科技(北京)有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

[0005] The purpose of the present invention is to provide a solar concentrating mirror and a heat collecting device to solve the problem in the prior art that the heat collector is easily damaged due to the high heating temperature of the concentrating mirror

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  • Solar concentrating lens and heat collecting device
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Embodiment Construction

[0022] The technical solutions of the present invention will be clearly and completely described below in conjunction with the accompanying drawings. Apparently, the described embodiments are some of the embodiments of the present invention, but not all of them. Based on the embodiments of the present invention, all other embodiments obtained by persons of ordinary skill in the art without making creative efforts belong to the protection scope of the present invention.

[0023] In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer" etc. The indicated orientation or positional relationship is based on the orientation or positional relationship shown in the drawings, and is only for the convenience of describing the present invention and simplifying the description, rather than indicating or implying that the referred device or element must have a specific orientation, ...

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Abstract

The invention provides a solar concentrating lens and a heat collecting device. The solar heat collecting device comprises a heat collector and the solar concentrating lens. The heat collector is disposed at the center of the sunny side of the solar concentrating lens. The solar concentrating lens comprises a plurality of equal curvature concentrating lens units, and the two adjacent equal curvature concentrating lens units are connected by a connecting piece. The solar concentrating lens and the heat collecting device adopt equal curvature concentrating technology, and the technology of the equal curvature concentrating lens is microsurface focusing. Compared with the mode of point focusing, the mode of the microsurface focusing greatly reduces the temperature, the problem that the technology of parabolic concentrating lens is likely to burn the collector is solved. In addition, the solar concentrating lens and the heat collecting device adopt the equal curvature concentrating lens units for modular assembly, the problem of high cost of the technology of parabolic concentrating lens is solved.

Description

technical field [0001] The invention relates to the technical field of solar energy utilization, in particular to a solar concentrating mirror and a heat collecting device. Background technique [0002] Solar energy is the most abundant energy available to human beings, and it is an inexhaustible and inexhaustible renewable energy source. The utilization of solar energy mainly has two forms: photovoltaic and photothermal. Photovoltaic is to convert solar energy into electrical energy, and photothermal is to convert solar energy into thermal energy. [0003] In the field of photothermal utilization, there are three application types of existing solar heat storage and concentrating systems: trough system, tower system and dish system. The concentration ratio of the trough system is between 10 and 100, and the maximum operating temperature The temperature is 400℃, the photothermal efficiency is about 40%; the concentration ratio of the tower solar system is between 300 and 150...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): F24S23/70F24S50/80
CPCY02E10/40
Inventor 刘勇
Owner 优晖科技(北京)有限公司
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