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Building energy supply system adopting fixed dot array solar focusing

An energy supply system and solar energy technology, applied in the field of solar energy utilization, can solve problems such as being unsuitable for small or household systems, low solar energy collection efficiency, unusable solar mirrors, etc., to improve utilization time and efficiency, overcome low solar energy collection time, cost reduction effect

Inactive Publication Date: 2013-09-18
CHENGDU AONENGPU TECH
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0006] The tower system is a solar focusing building energy supply system that uses a solar mirror as a heliostat and focuses multiple solar mirrors on a solar thermal conversion device. The utilization time of some solar mirrors 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, so the efficiency of solar energy collection is low. This technical solution can achieve high temperature Acquisition, but usually on a large scale, not suitable for small or home systems

Method used

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  • Building energy supply system adopting fixed dot array solar focusing
  • Building energy supply system adopting fixed dot array solar focusing
  • Building energy supply system adopting fixed dot array solar focusing

Examples

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Effect test

Embodiment 1

[0067] Embodiment 1: A fixed-point array solar focusing building energy supply system composed of 4 solar mirrors and 3 solar photothermal conversion devices

[0068] as attached figure 1 , 2 , the fixed-point array solar energy focusing building energy supply system composed of 4 solar mirrors and 3 solar photothermal conversion devices 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, solar mirrors 1, 2, and 3 focus the solar energy on the solar light-to-heat conversion devices 1, 2, and 3 respectively, realizing 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. 4 solar mirrors focus solar energy on No. 1 and No. 3 solar photothermal conversion devices respectively, and No. 2 and No. 3 solar mirrors focus on No. 2 solar storage equipment to realize tracking and fo...

Embodiment 2

[0070] Embodiment 2: A fixed-point array solar focusing building energy supply system composed of 12 solar mirrors and 6 solar photothermal conversion devices

[0071] This example Figure 4 The fixed point array solar focusing building energy supply system composed of 12 solar mirrors and 6 solar photothermal conversion devices is shown. The 12 solar mirrors are arranged in an array of three rows and four columns, and the 6 solar photothermal conversion devices are arranged in three The arrays are arranged in rows and columns, and the solar photothermal conversion devices are respectively arranged in the middle areas of the three rows of solar mirrors.

[0072] In the different time periods of morning, noon, and afternoon, solar mirrors 1-12 can choose different solar photothermal conversion devices from 1-6 to focus, and select different focus points to focus according to the actual solar energy collection efficiency. For solar mirrors 1-12 at different positions, the choic...

Embodiment 3

[0075] Embodiment 3: 1*3 parabolic fixed-point array solar energy tracking and focusing building energy supply system

[0076] 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 provided with two rotating shafts, that is, the horizontal axis and the vertical axis. The horizontal axis and the vertical axis intersect perpendicularly to form a system axis, and each solar mirror is connected to a parabolic connecting part through a system axis. This embodiment consists of three system axes arranged on the connecting parts and a support connected to the ground The solar mirror bracket, the connecting parts do not move, but the three system axes move, the solar tracking control device is set to connect with each system axis, and physical and optical sensors are set on each solar mirror (2), the solar tracking control device is The integrated electronic control dev...

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Abstract

The invention relates to solar energy focus utilization, in particular to a building energy supply system which is used for realizing solar energy collection by solar mirrors adopting dot focusing and is applied in fixed dot array solar focusing. The building energy supply system comprises at least one solar mirror or one group of solar mirrors adopting dot focusing, at least one solar photo-thermal converter and a tracking control device, wherein the solar mirrors are arranged on a solar mirror bracket, the solar photo-thermal converters are arranged in a dotted region focused by the solar mirrors, and the focus lengths of the solar mirrors vary in the solar tracking process and are always kept in the dotted regions of the solar photo-thermal converters; and the sunlight is focused by the solar mirrors to at least one solar photo-thermal converter under the control of the tracking control device when the sunlight varies, the solar photo-thermal converters do not move with the solar mirrors in the solar tracking process of the solar mirrors, the solar photo-thermal converters are kept static relative to the ground, and the tracking and focusing utilization of solar energy is realized.

Description

technical field [0001] The invention relates to the utilization of solar energy, in particular to the use of a point-focused solar mirror to realize solar energy collection, the use of a point-focused converter to realize the focus and tracking of solar energy for a building energy supply system, and to the use of focused thermal power generation, heating, cooling, steam, and boiling water of solar energy. Background technique [0002] The application of solar energy in building energy systems is mainly in the application of low-temperature hot water. Low-temperature solar heating and cooling have not been well commercialized due to high cost and low efficiency. [0003] Focusing on solar energy utilization is mainly the construction of large-scale solar power plants, and mainly realizes the conversion of solar energy into electrical energy. Application of polygeneration of hot and cold electricity water without solar focus. [0004] The solar focus building energy supply s...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): F24J2/06F24J2/34F24J2/38F24J2/30F24J2/52F24J2/46F24S10/30F24S23/00F24S50/20
CPCY02E10/44Y02E10/47
Inventor 李建民
Owner CHENGDU AONENGPU TECH
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