Heliostat surface shape on-site detecting system and method

A field detection, heliostat technology, used in solar heating systems, measuring devices, solar ray concentration, etc.

Active Publication Date: 2019-03-12
SHANGHAI PARASOL RENEWABLE ENERGY CO LTD
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  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

[0005] The purpose of the present invention is to provide an on-site detection sy

Method used

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  • Heliostat surface shape on-site detecting system and method
  • Heliostat surface shape on-site detecting system and method
  • Heliostat surface shape on-site detecting system and method

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Embodiment Construction

[0072] The present invention will be described in further detail below in conjunction with the accompanying drawings and specific embodiments.

[0073] Such as figure 1 As shown, a heliostat surface shape on-site inspection system includes at least an image acquisition system 1 , a mounting bracket 2 , a computing server 4 and a heliostat control server 5 . The image acquisition system 1 is fixed on the support 3 (traditional heat collection tower, secondary reflection tower or other structure that can fix the image acquisition system 1 at a preset position) through the installation bracket 2, so that the image acquisition system 1 is higher than the heliostat At the center of the mirror, the image acquisition system 1 can be adjusted in pitch angle and azimuth angle through the mounting bracket 2 . The field of view of the image acquisition system 1 covers multiple target heliostats 7 in the mirror field 6, and is used to collect mirror images of the target heliostats 7 in d...

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Abstract

The invention relates to a Heliostat surface shape on-site detecting system and method. The heliostat surface shape on-site detecting system at least comprises an image collecting system, an installing support of the image collecting system, a calculating server and a heliostat control server, the image collecting system is fixed to a support through the installing support, the visual field of theimage collecting system covers multiple sets of target heliostats in a heliostat field, and the image collecting system is used for collecting heliostat surface images of the target heliostats underdifferent postures; the calculating server is used for receiving image data of the image collecting system, and then a mathematical algorithm and an image plane calibration method are used for workingout normal vectors of all regions of the target heliostats, obtaining heliostat surface shape information of the target heliostats and storing the heliostat surface shape information into a heliostatparameter database of the heliostat control server; the heliostat control server automatically calculates an operation statement used for a surface shape used for detecting according to parameters ofthe target heliostats in the heliostat parameter database, and controls the target heliostats to rotate according to the operation statement, so that the image collecting system obtains the heliostatsurface images of the heliostats under different preset postures.

Description

technical field [0001] The invention relates to a system and method for on-site detection of heliostat surface shape, belonging to the technical field of heliostat surface shape detection. Background technique [0002] Whether in a double reflector solar thermal power plant or a traditional tower solar thermal power plant, the heliostat is the core module whose job it is to reflect the sunlight that hits its surface to a target area or a heat sink. Therefore, the surface shape of the heliostat directly determines the degree of concentration of solar energy in the target area or at the receiver, thereby affecting the power generation efficiency of the solar thermal power station. [0003] Based on the function of the heliostat, its mirror surface should be a high-precision discrete surface or a high-precision continuous surface with converging characteristics. However, in the actual processing, production and installation process, various errors will be introduced, resulting...

Claims

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Application Information

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IPC IPC(8): G01B11/24
CPCG01B11/24F24S23/70F24S80/00Y02E10/40
Inventor 孙楠沈平
Owner SHANGHAI PARASOL RENEWABLE ENERGY CO LTD
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