Heliostat surface-shape detection device and detection method

A detection device and heliostat technology, which is applied to measurement devices, optical devices, solar ray concentration, etc., can solve the problem of low environmental adaptability of the detection device.

Active Publication Date: 2016-07-27
STATE GRID CORP OF CHINA +4
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Since this patent needs to use the sun or artificial light source for ...

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  • Heliostat surface-shape detection device and detection method
  • Heliostat surface-shape detection device and detection method
  • Heliostat surface-shape detection device and detection method

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[0035] The present invention will be further described below in conjunction with the accompanying drawings. The following examples are only used to illustrate the technical solution of the present invention more clearly, but not to limit the protection scope of the present invention.

[0036] Such as figure 1 As shown, the heliostat surface shape device of the present invention includes a heat absorbing tower 2 , a heliostat to be measured 1 , an image acquisition unit 3 , a data line 5 and an industrial computer 4 . The heliostat 1 to be measured reflects the reflected image of the heat absorption tower 2 to the image acquisition unit 3, and the image acquisition unit 3 receives the image of the heat absorption tower 2 reflected by the heliostat 1, and transmits the image information to the industrial computer 4 through the data line 5 to process. The heat absorption tower 2 can be a steel structure or a concrete structure.

[0037] Such as figure 2 As shown, the mirror ...

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Abstract

The invention relates to a heliostat surface-shape detection device and a method.The detection device comprises a to-be-detected heliostat, an image collecting unit, a data line, an industrial personal computer and a heat absorption tower.The method includes the steps that the to-be-detected heliostat reflects reflected optical images of the heat absorption tower to the image collecting unit, the image collecting unit transmits the collected images to the industrial personal computer through the data line to be processed, surface-shape information of the to-be-detected heliostat is calculated based on collected imaging image sequences of the heat absorption tower in the to-be-detected heliostat, the theoretical design value of the surface shape of the to-be-detected heliostat is combined, the actual error value of the surface shape of the to-be-detected heliostat is obtained, and the surface shape of the to-be-detected heliostat is adjusted.The heliostat surface-shape detection device and the method are simple in arrangement and easy to operate, and belong to non-contact nondestructive measurement, the light-gathering efficiency of the heliostat field and the efficiency of a heat absorber can be effectively improved, and safe operation of the tower is guaranteed; a heliostat after being installed can be detected, a heliostat in the operating process can also be detected, and the application range is wide.

Description

technical field [0001] The invention relates to the technical field of surface shape detection of mirror-like objects, in particular to a heliostat surface shape detection device and detection method. Background technique [0002] 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 is the core component of the tower-type solar thermal power station. Its general structure is composed of many unit mirrors to form a complex three-dimensional curved surface to reflect solar radiation and gather it to the heat absorber. It is the key to realize the efficient light-to-heat conversion of the concentrating system. . The main characteristics of heliostats are: 1) outdoor field operation; 2) large opening area; 2) the concentrating field is composed of thousands of heliostats, a huge number; 3) the structure of the heliostat mirror requires all...

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Application Information

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IPC IPC(8): G01B11/24
CPCG01B11/24F24S23/70F24S80/00Y02E10/40
Inventor 朱会宾王志峰王伟杜炜
Owner STATE GRID CORP OF CHINA
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