Plane shape detection method of heliostat for tower type solar power generation

A technology of tower solar energy and detection method, which is applied in the directions of solar thermal power generation, solar thermal energy, solar thermal collector, etc., can solve the problems of being easily affected by external light sources, low real-time performance, etc., and achieves high real-time performance and high flexibility. , strong anti-interference effect

Active Publication Date: 2015-06-24
INST OF ELECTRICAL ENG CHINESE ACAD OF SCI
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Problems solved by technology

However, this method uses a four-step phase-shift method to project horizontal and vertical fringe images to the white screen on the tower with a projector arranged in the mirror field, at least sixteen

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  • Plane shape detection method of heliostat for tower type solar power generation
  • Plane shape detection method of heliostat for tower type solar power generation
  • Plane shape detection method of heliostat for tower type solar power generation

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Embodiment Construction

[0017] The present invention will be further described below in conjunction with the accompanying drawings and specific embodiments.

[0018] Such as figure 1 As shown, the detection system based on the surface shape detection method of the solar thermal power generation heliostat of the present invention includes a CCD camera 2 , a composite fringe image screen 3 , an industrial computer 4 and a computer 1 . The computer 1 controls the CCD camera 2 to collect images, and processes the acquired images; the CCD camera 2 is placed on the top of the heat absorption tower; the composite stripe image screen 3 is installed on the heat absorption tower; the industrial computer 4. Control the operation of the heliostat 5 to be measured, so that the CCD camera 2 can collect the deformed image of the composite fringe image screen 3 reflected by the heliostat 5 .

[0019] The method for detecting the surface shape of a heliostat for solar thermal power generation of the present inventio...

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Abstract

A plane shape detection method of a heliostat for tower type solar power generation includes the steps that an industrial personal computer (4) controls the heliostat (5) to be detected, a CCD camera (2) can collect a deformed image, reflected by the heliostat (5), of a complex stripe image screen (3), a computer (1) controls the CCD camera (2) to collect a deformed complex stripe image reflected by the heliostat (5), and the slope distribution situation of the heliostat plane is obtained in combination with constructed virtual reference plane phase distribution and a heliostat plane slope and phase mapping model. The plane shape of the heliostat plane of the heliostat (5) to be detected can be obtained on the basis of the generalized Hermite interpolation method.

Description

technical field [0001] The invention relates to a method for detecting the surface shape of a heliostat. Background technique [0002] Tower-type solar thermal power generation has the advantages of high concentration multiple, high working temperature, short heat transfer distance, less heat loss, and high overall system efficiency. Its output characteristics are the closest to conventional thermal power generation, and it is the most promising development of solar thermal power generation. one of the routes. Tower-type solar thermal power generation is mainly composed of three parts: heliostat concentrating system, heat absorption and heat transfer system, and power generation system. The heliostat concentrating system consists of a large number of heliostats that condense and reflect sunlight to the heat absorber located on the tower, through which the light energy is converted into heat energy, and then power is generated through a thermal cycle. The heliostat is the c...

Claims

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Application Information

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IPC IPC(8): G01B11/25
CPCF24S23/70F24S80/00F24S2050/25Y02E10/40
Inventor 朱会宾王志峰王华荣
Owner INST OF ELECTRICAL ENG CHINESE ACAD OF SCI
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