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Moving point array solar connecting type Stirling power generation system

A power generation system and solar energy technology, applied in the field of solar energy utilization, can solve the problems of low solar energy collection efficiency, large scale, unfavorable tracking, etc., and achieve the effects of overcoming the low solar energy collection time, improving the utilization time and efficiency, and improving the tracking efficiency.

Inactive Publication Date: 2016-11-09
CHENGDU AONENGPU TECH
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

And the Stirling machine of the existing disc Stirling power generation technology moves with the change of the sunglasses, because the weight of the large Stirling machine will increase the load of the Stirling machine, which is not conducive to tracking, so the existing The disc Stirling machine technology needs to be improved
[0003]The tower system is a solar Stirling generator system that uses a solar mirror as a heliostat and focuses multiple solar reflectors on a Stirling generator , due to the characteristics of tower solar energy collection, the use time of some solar mirrors in the tracking solar process is only 4-6 hours. For example, the solar mirrors on the east side of the tower are basically unusable in the morning, and can only be used after noon or afternoon Therefore, the efficiency of solar energy collection is low. This technical solution can realize high-temperature collection, but usually its scale is large, which is not suitable for small or household systems.
[0004] Usually the generating power of the Stirling generator is only 25KW, but the power of the solar energy generated by the tower system is far greater than this power, so it is impossible to directly apply the Stirling generator to the tower power generation system

Method used

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  • Moving point array solar connecting type Stirling power generation system
  • Moving point array solar connecting type Stirling power generation system
  • Moving point array solar connecting type Stirling power generation system

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0067] Embodiment 1: A mobile point array solar energy collection and utilization system composed of 4 solar mirrors and 2 solar energy utilization devices

[0068] as attached figure 1 , 2 , The moving point array solar collection and utilization system composed of 4 solar mirrors and 2 Stirling generators shown in 3, figure 1 , 2 , 3 are the collection and utilization of solar energy in the morning, noon and afternoon respectively, figure 1 In the morning, the sun rises from the east, and No. 1, 2 and 3 solar mirrors focus the solar energy on No. 1 and 2 Stirling generators respectively to realize the tracking and focusing of solar energy; figure 2 At noon, the sun is located in the central area of ​​the sky, No. 1 and No. 2 solar mirrors respectively focus the solar energy on the No. 1 Stirling generator, and No. 3 and No. 4 solar mirrors focus on the No. 2 solar storage device to realize the tracking and focusing of solar energy; image 3 For the afternoon, the sun is...

Embodiment 2

[0069] Embodiment 2: A moving point array solar energy collection and utilization system composed of 12 solar mirrors and 6 solar energy utilization devices

[0070] This example Figure 4 The mobile point array solar collection and utilization system composed of 12 solar mirrors and 6 Stirling generators is shown. The 12 solar mirrors are arranged in an array of three rows and four columns, and the 6 Stirling generators are arranged in three rows and The array of columns is arranged, and the Stirling generators are respectively arranged in the middle area of ​​the three rows of solar mirrors.

[0071] In different time periods in the morning, noon, and afternoon, solar mirrors 1-12 can choose different Stirling generators 1-6 for focusing, and select different focus points for focusing according to the actual solar energy collection efficiency. For solar mirrors 1-12 at different positions, the selection of Stirling generators that can be focused is also different. For solar...

Embodiment 3

[0074] Embodiment 3: 1*3 moving point solar energy tracking utilization system

[0075] as attached Figure 5 As shown, this embodiment adopts three parabolic dish solar mirrors (2), which are arranged on a parabolic connecting part, and each solar mirror is connected to the parabolic connecting part through a system axis, and the horizontal axis of the system axis The axis and the longitudinal axis are perpendicular to each other. This embodiment is a solar bracket composed of three system axes arranged on the connecting parts. The connecting parts do not move, but the three system axes move. The solar tracking control device is set and connected to each system axis , set physical and optical sensors on each solar mirror (2), the solar tracking control device is an integrated electronic control device composed of motor, transmission gear and electronic control part, and adopts a tracking system complementary to physical and optical tracking to realize solar tracking At the s...

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Abstract

The invention relates to the field of solar energy utilization, in particular to a moving point array solar connecting type Stirling power generation system. The Stirling power generation system comprises at least one or one group of point-focusing solar mirrors, at least one Stirling engine and tracking control devices. The solar mirrors are arranged on solar mirror brackets. The Stirling engines are arranged on a Stirling engine bracket, and are arranged in point-shaped focus areas of the solar mirrors. The solar mirrors or / and the solar brackets are connected with the Stirling engines. The solar mirrors and the Stirling engines move together through the tracking control devices. During the process that solar energy is tracked by the solar mirrors, the Stirling engines move. Each solar mirror or each group of solar mirrors can select one Stirling engine with highest solar energy utilization efficiency to focus, so that tracking and focusing of solar energy are realized.

Description

technical field [0001] The invention relates to the utilization of solar energy, in particular to the use of point-focused solar mirrors to realize solar energy collection, the use of solar point focus to realize the focusing and tracking Stirling power generation system of solar energy, and to the focus and utilization of solar energy. Background technique [0002] There are mainly two types of solar point focusing utilization technologies: tower type and butterfly type. The dish type system uses solar mirrors to focus on a Stirling generator. And the Stirling machine of the existing disc Stirling power generation technology moves with the change of the sunglasses, because the weight of the large Stirling machine will increase the load of the Stirling machine, which is not conducive to tracking, so the existing The disc Stirling machine technology needs improvement. [0003] The tower system is a solar Stirling machine power generation system that uses a solar mirror as a ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): F03G6/06F02G1/043F02G1/045F02G1/053F24J2/06F24J2/54F24S23/00
CPCF02G1/043F02G1/045F02G1/053F02G2254/30F02G2280/20F03G6/068Y02E10/46
Inventor 李建民
Owner CHENGDU AONENGPU TECH
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