Detecting method and detecting system for unit mirror surface shape used for tower-type solar thermal power generation

A tower-type solar energy and detection method technology, which is applied in the field of tower-type solar thermal power generation unit mirror shape detection, can solve the problems of inconvenient operation of the mirror surface, and achieve the effects of fast detection speed, improved detection efficiency, and easy operation

Active Publication Date: 2013-08-28
INST OF ELECTRICAL ENG CHINESE ACAD OF SCI
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Problems solved by technology

[0003] The purpose of the present invention is to overcome the inconvenient operation of the tower-type solar thermal power generation unit mirror with a large detection area in the

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  • Detecting method and detecting system for unit mirror surface shape used for tower-type solar thermal power generation
  • Detecting method and detecting system for unit mirror surface shape used for tower-type solar thermal power generation
  • Detecting method and detecting system for unit mirror surface shape used for tower-type solar thermal power generation

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Embodiment Construction

[0029] The present invention will be further described below in conjunction with the accompanying drawings and specific embodiments.

[0030] Such as figure 1 As shown, the solar thermal power generation unit mirror shape detection system of the present invention consists of a white screen 1 , a DLP projector 2 , a CCD camera 3 and a computer 4 . The white screen 1 is vertically fixed on the white screen bracket, the unit mirror to be tested is vertically fixed on the unit mirror bracket, and placed vertically in front of the white screen 1, and the multiple sinusoidal stripe images generated by the computer 4 are transmitted to the DLP projector through the data line 2 is projected onto the white screen 1; the CCD camera 3 collects the deformed fringe image reflected by the unit mirror to be tested, and transmits the image information to the computer 4 through the image acquisition card 5 for data processing, and finally obtains the surface shape information of the unit mirro...

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Abstract

The invention relates to a detecting method and a detecting system for a unit mirror surface shape used for tower-type solar thermal power generation. The technologies of fringe reflection and phase shift are adopted, a fringe image in sinusoidal distribution is projected on the surface of a white screen, a deformed fringe image reflected by a unit mirror is collected through a camera, and the unit mirror surface shape is obtained through the imagine data processing. The detecting system adopting the detecting method is composed of the white screen (1), a DLP projector (2), the CCD camera (3) and a computer (4). The CCD camera (3) is connected with the computer (4) through an image capture card (5), and the DLP projector (2) is fixed on a support and connected with the computer (4) through data lines.

Description

technical field [0001] The invention relates to a method and system for detecting the mirror shape of a tower-type solar thermal power generation unit. Background technique [0002] Tower solar thermal power generation is a solar thermal power generation method consisting of a large number of heliostats and heat absorbers on high towers. Tower-type solar thermal power plants can achieve a high concentration ratio and have the potential to increase the average annual efficiency of the plant. The heliostat system uses a large number of heliostats to reflect and converge sunlight to the heat absorber on the high tower, through which the light energy is converted into heat energy, and then power is generated through a thermal cycle. The heliostat is the core component of the tower-type solar thermal power station, and it is the carrier to realize the high-efficiency light-to-heat conversion of the system. Its general structure is spliced ​​by multi-faceted unit mirrors. Theref...

Claims

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Application Information

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IPC IPC(8): G01B11/25
CPCF24S23/70F24S80/00Y02E10/40
Inventor 朱会宾王志峰王华荣
Owner INST OF ELECTRICAL ENG CHINESE ACAD OF SCI
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