Solar energy distributed linear solar optical lens tracking system and application

A technology of solar tracking and tracking system, which is applied in the field of linear tracking where the focus of solar energy tracking is a straight line and its distributed utilization, and can solve the problems of limited application, inability to realize tracking, and unsuitability for small-scale regional applications.

Inactive Publication Date: 2010-09-29
BEIJING WISWORD HI TECH
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

This technology is mainly suitable for large-scale power generation, not suitable for small-scale regional applications, especially not suitable for solar power generation and cogeneration power generation in cities, thus limiting its application
[0004] Chinese patent 200710176966 provides a combined tracking system, which can be used in a trough-type and tower-type combined tracking system. The tracking method adopts the method of keeping the focus fixed while the solar mirror system moves. It is mainly set on the ground. Two orbits are used for tracking, and the line-focusing system of the trough system uses its linear axis to be placed parallel to the earth's self-propagation axis, so it can use rotation in one direction to achieve tracking

Method used

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  • Solar energy distributed linear solar optical lens tracking system and application
  • Solar energy distributed linear solar optical lens tracking system and application
  • Solar energy distributed linear solar optical lens tracking system and application

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0062] Embodiment 1: Multi-parabolic mirror solar line tracking and utilization system

[0063] This figure is a side view, and the solar mirror is a group of solar energy utilization systems composed of four parabolic reflectors (2), solar energy utilization equipment (1), and solar mirror brackets; Carry out an integrated design; the solar energy utilization device (1) is a heat pipe, and the outside of the heat pipe is provided with a vacuum tube to insulate the heat preservation box; the heat pipe is arranged on the building and remains stationary; the parabolic mirror is arranged on a parabolic device (3 ), each parabolic mirror is provided with a rotating shaft (5), the solar mirror can rotate along the rotating shaft (5), multiple solar mirrors realize tracking of solar energy through different movements, and focus solar light onto the heat pipe at the same time , the four parabolic mirrors use the same drive system, the transmission mechanism is a gear set, and the gea...

Embodiment 2

[0064] Embodiment 2: Dofresnel mirror tracking and utilization system

[0065] Such as figure 2 As shown, this example uses four Fresnel transmission mirrors (2) as a group to realize solar tracking; the solar energy utilization device (1) is a solar photovoltaic and photothermal comprehensive utilization system, and the solar panel of monocrystalline silicon is set on Inside the vacuum tube, a water cooling device is also provided to provide heat dissipation for the solar panel, so that both focused photovoltaic power generation and hot water utilization can be realized; four Fresnel reflectors are fixed on the flat rectangular device (3 ), the power drive device is a motor (6), and the power transmission device is a motor-driven turbine mechanism (6) arranged on each solar lens rotating shaft (5), so that the solar mirror is turned on the ring; the photovoltaic cell is set In an area that remains fixed to the ground, it does not move during the solar tracking process. Such...

Embodiment 3

[0066] Embodiment 3, Dofresnel mirror tracking array tracking and utilization system

[0067] This case is a Fresnel transmission mirror array tracking system set on a building, using five Fresnel Fresnel transmission mirrors (2), whose rotation axis is fixed on a semi-circular ring (3), each The Fresnel transmission mirror can be rotated along the rotating shaft (5), and the power drive device is a motor, and the motor and the transmission part are arranged at the rotating shaft position of the ring; Heat, three vacuum tubes are set in a half-moon ring projection mirror to achieve secondary focusing, and a reflective film is installed under the three vacuum tubes to reflect the projected sunlight, so that multi-mirror solar heat utilization can be realized. Setting the solar energy utilization of multiple groups in different buildings and ground areas can realize the focused utilization of solar energy lines in different areas of the town.

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PUM

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Abstract

The invention aims to provide a solar energy distributed linear solar optical lens tracking system which can be arranged in a distributed mode according to land conditions of urban regions and application. A group of solar linear utilization system consists of at least one solar utilization device, a solar tracking system, a linear solar optical lens and a tracking bracket; and a plurality of groups of solar linear utilization systems are distributed in different regions, and a plurality of groups of solar utilization devices can be interconnected together to form the solar linear utilization system. The array mode of the conventional trench type solar system is changed into a distribution mode, so that the solar trench type solar utilization technology is suitable for different regions and cities and is convenient to apply to different regions and integrated buildings, the requirement and limitation of the technology on places are reduced, the types and modes of solar utilization are broadened at the same time and various solar energies can be utilized.

Description

technical field [0001] The invention relates to the utilization of solar energy, in particular to the linear tracking in which the focusing tracking focus of solar energy is a straight line and its distributed utilization. Background technique [0002] Solar tracking mainly consists of three types: trough type, tower type and butterfly type. Because the trough type system is one-way tracking, the relative technical difficulty is relatively low. At the same time, due to the solar energy selective coating and vacuum tube technology, it has industrial production in the temperature range of 100-400 degrees. Therefore, it can be mass-produced quickly, and the earliest commercial application in the world is the trough system. [0003] The main tracking method of the trough system in the world is to set a heat exchange tube at the focal line position of the trough system, fill the heat exchange tube with heat transfer oil or directly heat water into steam, and the heat transfer oil...

Claims

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Application Information

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IPC IPC(8): G02B7/182G02B5/08F24J2/38F24J2/02F24J2/04F24J2/08F24J2/32G05D3/20H02N6/00F24S10/95F24S20/30F24S23/30F24S50/20H02S20/32
CPCY02B10/20Y02E10/44Y02E10/47F24S30/425F24S23/30Y02E10/50Y02B10/10
Inventor 李建民
Owner BEIJING WISWORD HI TECH
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