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Linkage small-sized heliostat system

A heliostat, small-scale technology, applied in solar heating systems, solar ray concentration, solar collector controllers, etc., can solve the problem that small heliostats cannot meet the requirements of heliostat mirror field layout form, solar unit transmission error, solar unit failure, etc.

Inactive Publication Date: 2012-04-18
INST OF ELECTRICAL ENG CHINESE ACAD OF SCI
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0006] The structural form of the supporting frame of the solar unit determines that in this solar system, multiple linked solar units cannot be arranged in a circular arc, otherwise the radius of rotation of the connecting element on the supporting frame of each linked solar unit will be different, and the linked There will be a transmission error between the solar units, and the solar unit cannot accurately track the sun in the direction of the sun's azimuth angle
If the linked small heliostats use this support frame structure as the transmission part, the small heliostats cannot meet the requirements of the heliostat mirror field arrangement form in which the heliostats are arranged in an arc

Method used

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  • Linkage small-sized heliostat system
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  • Linkage small-sized heliostat system

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Embodiment Construction

[0050] Such as figure 1 As shown, the heliostat column 4 of the small heliostat 1 is perpendicular to the horizontal plane, and the lower part of the heliostat column 4 is fixedly connected with the heliostat reel 3, and the heliostat reel 3 is cylindrical, and the heliostat reel 3 is cylindrical. The mirror drum 3 is concentric with the heliostat column 4 in the axial direction. Such as figure 2 As shown, a guide groove 200 is processed on the cylindrical surface of the heliostat drum 3 . Such as figure 1 and Figure 18 As shown, the upper part of the heliostat column 4 is provided with an azimuth adjustment mechanism 30; a support structure 8 is fixedly connected to the upper part of the azimuth adjustment mechanism 30; the altitude tracking drive device 7 and the heliostat reflector are installed on the support structure 8. Surface 10. Such as figure 1 and image 3 As shown, the lower part of the heliostat reel 3 is connected to the heliostat base 2, and the heliost...

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Abstract

The invention discloses a linkage small-sized heliostat system. The linkage small-sized heliostat system consists of at least two small-sized heliostats (1) and an azimuth angle drive device (25); heliostat rollers (3) on the lower parts of heliostat upright posts (4) drive the heliostat upright posts (4) and heliostat reflecting surfaces (10) to rotate on heliostat bases (2); an azimuth angle drive roller (22) on the upper part of the azimuth angle drive device (25) is connected with the heliostat roller (3) adjacent to the azimuth angle drive roller (22) through a connecting element (14); adjacent heliostat rollers (3) are connected with each other through the connecting piece (14); the azimuth angle drive device (25) can drive a plurality of small-sized heliostats (1) to track the sun in the direction of a sun azimuth angle; and the upper parts of the heliostat upright posts (4) are provided with azimuth angle adjustment mechanisms (30) which are used for adjusting the heliostat reflecting surfaces (10) of the small-sized heliostats (1) at different positions, so that the sunlight reflected by the heliostat reflecting surfaces (10) aims at a target point in the direction of thesun azimuth angle.

Description

technical field [0001] The invention relates to a linked small heliostat system in the field of solar thermal power generation. Background technique [0002] At present, there are mainly three types of solar thermal power generation, which are tower solar thermal power generation, trough solar thermal power generation and dish solar thermal power generation. Among them, tower solar thermal power generation has a higher concentration ratio and higher power generation efficiency than trough solar thermal power generation. High advantage, and its power generation cost is lower than dish solar thermal power generation. The principle of the tower solar thermal power generation method is that multiple heliostats arranged in the heliostat field track the sun, reflect and focus the sunlight on the heat absorber on the high tower to generate high temperature and heat the working fluid Generate superheated steam to drive steam turbine generator set to generate electricity, thereby co...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): F24J2/10F24J2/38F24J2/46G02B7/182F24S23/70F24S50/20
CPCY02E10/47
Inventor 付向东王志峰
Owner INST OF ELECTRICAL ENG CHINESE ACAD OF SCI
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