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Determination method of light position of dish-type tracking system focusing program

A technology of tracking system and light, applied in the light guide of lighting system, support structure of photovoltaic module, optics, etc., can solve the problems of trouble of focusing on the sun, focusing of color target can not meet the accuracy and so on

Inactive Publication Date: 2017-08-29
DALIAN GREAT OCEAN NEW ENERGY DEV
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  • Application Information

AI Technical Summary

Problems solved by technology

Color target focusing cannot meet the accuracy requirements, but focusing on the sun is too troublesome and has certain dangers

Method used

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  • Determination method of light position of dish-type tracking system focusing program
  • Determination method of light position of dish-type tracking system focusing program
  • Determination method of light position of dish-type tracking system focusing program

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Embodiment Construction

[0087] Such as Figure 1-Figure 4 As shown, a method for determining the light position of the focusing program of the dish tracking system has the following steps:

[0088] S1. Analyze the dimensional design principle of the light guide plate according to the principle of optical reflection. The light guide plate 2 is a square, and the light guide plate 2 is composed of four square light guide plate units 3. The center of the light guide plate 2 is equipped with a CCD camera 4, the central circular hole, that is, the light guide plate unit has a quarter circular hole 5 at the center of the light guide plate:

[0089] Let the parabolic equation of dish 1 of the dish tracking system be:

[0090] 4×FD×Y=X 2 , where FD is the focal length of the parabola;

[0091] Therefore, F(X,Y)=4×FD×Y-X 2 ;

[0092] Then, the normal vector N satisfies the following formula:

[0093] N=-2×Xi+4×FDj;

[0094] A unit vector satisfies the following formula:

[0095] Among them, Mag1=Sqrt...

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Abstract

The present invention discloses a determination method of a light position of a dish-type tracking system focusing program. The method comprises the following steps: analyzing the size design principle of a light guide plate according to the optical reflection principle; analyzing the relation of the distance between the light guide plate and the center of a dish and sizes of light guide plate units according to the design principle of the light guide plate; according to the requirement of an actual focusing field, selecting an appropriate distance and the sizes of the light guide plate units; preparing the light guide plate unit according to the sizes of the light guide plate units, wherein a plurality of LED lights are arranged at one sides, facing the dish, of the light guide plate units, four light guide plate units form the light guide plate, and a CCD camera is installed at a center circular hole; installing the light guide plate of the CCD camera through the center circular hole, and determining the light position of the dish-type tracking system focusing program. The determination method of the light position of the dish-type tracking system focusing program employs the LED light to determine the light position of the dish-type tracking system focusing program, is convenient and low, and is suitable for determination of corresponding light positions of various environments.

Description

technical field [0001] The invention belongs to the technical field of photothermal power generation, and in particular relates to a method for determining the position of light in a focusing program of a dish tracking system. Background technique [0002] Solar energy is a kind of renewable resource, which is almost inexhaustible, and the green energy using solar power generation technology has a broad prospect. [0003] In the solar power generation system, according to different concentrating methods, it is mainly divided into trough type, tower type and dish type. The advantages of dish type power generation over the other two methods are: [0004] (1) Flexible module deployment. [0005] (2) Higher concentration ratio. [0006] (3) Convenient two-dimensional tracking. [0007] (4), adapt to the water shortage environment. [0008] (5) Equipment failure has little interference to the power grid. [0009] At present, in the focusing of the dish tracking system, accur...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G02B7/183G02B6/00H02S10/30H02S20/32
CPCH02S10/30H02S20/32G02B7/183G02B6/0011Y02E10/50
Inventor 宋海峰王振声
Owner DALIAN GREAT OCEAN NEW ENERGY DEV
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