Novel disc-type solar-powered heat collecting device and system

A solar heat collection and dish-type technology, which is applied in the field of solar heat collection devices and systems, can solve problems such as difficult solar energy, low heat collection efficiency, and inconvenient grid-connected power generation, and achieve the effect of simplifying design and installation

Inactive Publication Date: 2011-04-27
SHANGHAI NEW IND OPTOELECTRONICS TECH
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, because the collected solar energy is difficult to store and concentrate, if the collected solar energy of each system is not enough, it is difficult to make the Stirling generator with fixed power work, so the heat collection efficiency is not high; Network power generation brings many inconveniences

Method used

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  • Novel disc-type solar-powered heat collecting device and system
  • Novel disc-type solar-powered heat collecting device and system
  • Novel disc-type solar-powered heat collecting device and system

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Embodiment Construction

[0028] The specific embodiments of the present invention will be described below in conjunction with the accompanying drawings.

[0029] Such as figure 1 As shown, the novel dish-type solar heat collection device of the present invention includes a concave reflector 10 with a focusing function, a heat collecting tube 20 heated spot 21 arranged at the focal point of the reflector 10, and a support for the reflector 10 1. The mechanical support and transmission mechanism of the heat collecting tube 20 and the hot spot 21.

[0030] In order to realize the tracking of the sunlight by the reflector 10 as it rotates, so that the sunlight can be vertically incident on the concave surface of the reflector 10, and receive and reflect the sunlight with the largest area and maximum efficiency, the mechanical support and the transmission mechanism adopt two The shaft type includes a vertically arranged support shaft 31 and a pitch shaft 32 .

[0031] A bar-shaped notch 11 is provided on...

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Abstract

The invention discloses a novel disc-type solar-powered heat collecting device and a novel disc-type solar-powered heat collecting system. The device comprises a reflecting mirror, a heated point and a heat collecting pipe, wherein the reflecting mirror traces sunlight by rotation, so that the sunlight irradiates vertically to gather photo-thermal energy; the heated point is positioned on the focal point of the reflecting mirror; the spatial position of the heated point is stationary when the reflecting mirror traces the sun by rotation; the heat collecting pipe is connected with the heated point; and a working medium in the pipe is heated by solar energy focused at the heated point. By the device and the method, the reflecting mirror rotates or changes an inclination angle to trace the sun by rotation, so that the sunlight irradiates vertically on the reflecting mirror and an effective receiving area is maximized. After the sunlight is collected by the reflecting mirror, the heated point at the focal point is heated in a centralized way and a higher working medium temperature can be obtained in a point focusing mode. The heat collecting system collects high-temperature media output by a plurality of heat collecting pipes and uniformly supplies heat to the outside or generates power. The spatial position of the heated point is stationary when the reflecting mirror traces the sun, so that the design and installation of the heat collecting pipe are simplified greatly.

Description

technical field [0001] The invention relates to a solar heat collecting device and system, in particular to a novel dish-type solar heat collecting device with a fixed hot spot and the heat collecting system formed thereof. Background technique [0002] Solar energy is an extremely abundant clean energy source, inexhaustible, and the total amount of solar energy received by the earth every year is more than 10,000 times the total annual energy consumed by the world. Solar thermal power generation technology uses concentrated sunlight to heat a liquid or gas heat transfer working medium, and this part of the heat is converted into mechanical energy and then further converted into electrical energy. Therefore, the solar thermal power generation technology is one of the solar energy utilization technologies with broad application prospects. [0003] At present, there are four mainstream solar thermal power generation technologies: tower type, trough type, Fresnel type and dish...

Claims

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Application Information

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IPC IPC(8): F24J2/38F24J2/54F24S50/20
CPCY02E10/47
Inventor 缪同群伍志军陈世祥李钊明张声荣李贵涛张中
Owner SHANGHAI NEW IND OPTOELECTRONICS TECH
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