Portable reflectometer and method for characterising the mirrors of solar thermal power plants

一种太阳能集热器、便携式的技术，应用在反射面测试、散射特性测量、仪器等方向，能够解决没有光谱测量、不防止环境光线干扰反射测量或参比测量等问题，达到高容差、运输方便的效果

Active Publication Date: 2013-05-08
ABENGOA SOLAR NEW TECH SA
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  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

Also, instead of making real spectral measurements, it performs simultaneous measurements at several different wavelengths
In addition, reflection or reference measurements are not possible without protection from ambient light interference
[0015] None of the above devices, or other similar devices, met the requisite requirements, such as range, sensitivity and / or mechanical construction, for measurements on mirrors for solar thermal collectors

Method used

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  • Portable reflectometer and method for characterising the mirrors of solar thermal power plants
  • Portable reflectometer and method for characterising the mirrors of solar thermal power plants
  • Portable reflectometer and method for characterising the mirrors of solar thermal power plants

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Embodiment Construction

[0075] In order to facilitate the understanding of the present invention, several preferred embodiments according to the present invention will be described below.

[0076] First preferred embodiment of the present invention

[0077] This preferred embodiment is based on the use in each optical channel with the Figure 1a The optical system of the structure shown.

[0078] The mirror 1 in the solar heat collector is generally a double-sided mirror, and there is a layer of glass with a thickness of about 3mm to 5mm on the surface of the mirror. The mirror can be a plane mirror, a spherical mirror used in a power plant to concentrate solar energy on a point, or a cylindrical parabolic mirror to concentrate solar energy on a bushing. The mirror must have a very high reflectance relative to the solar spectrum.

[0079] The measurement of the reflection coefficient is realized through the following process: the light beam generated by the LED emitter 2 passes through the outer ...

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Abstract

The invention relates to a portable reflectometer and to a method for characterising the collector mirrors used in solar power plants for the in-field characterisation of reflection coefficients. The equipment includes all of the components required for this measurement, such as a module to measure the reflection coefficient of the mirror, an electronic data acquisition and processing system, a system for processing data and controlling the equipment, a system for storing the data of interest, a user interface system, and a system allowing communication between the aforementioned systems and an outer casing. The equipment can be used to characterise the specular reflection coefficient of flat or curved mirrors of different thicknesses, without requiring adjustments to be made to the equipment, minimising the influence of diffuse reflection on the measurement.

Description

technical field [0001] The present invention belongs to the technology of optical measuring equipment or tools. [0002] In particular, it relates to portable devices for detecting the spectral properties and reflection coefficients of flat mirrors or mirrors with defined degrees of curvature, such as heliostat mirrors, Stirling mirrors, Fresnel mirrors (Fresnel), etc., the above mirrors are used on the collector to obtain solar heat. The device includes all components required for the measurement, including data processing and sending the data to a computer for storage. Background technique [0003] Among renewable resources, solar thermal energy harvesting technologies are of great economic and technological importance for domestic industries and industrial sectors. Solar thermal energy produces electricity using the traditional thermoelectric cycle, a method of heating fluids at high temperatures. These systems require maximizing the concentration of solar energy at an...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G01N21/55G01N21/47
CPCG01N21/47G01N21/55G01N2201/0627G01N2201/0625G01N2201/0221G01M11/005
Inventor M·迈纳尔·洛佩兹D·伊斯基耶多·努涅斯I·萨利纳斯·艾瑞斯C·赫拉斯·维拉R·阿隆索·埃斯特万F·威伦达斯·雅斯特J·阿森西亚·佩雷兹-阿雷韦瑞
Owner ABENGOA SOLAR NEW TECH SA
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