Low cost solar tracing and novel thermal circulation method

A solar and thermal technology, applied in the directions of solar thermal energy, solar thermal power generation, solar thermal collectors, etc., can solve the problems of complex capillary power manufacturing, high cost, limited application area, small heat transfer capacity, etc., to increase wind resistance. , Simple and high-efficiency noise, the effect of simplifying the system

Inactive Publication Date: 2009-08-12
张玉良
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  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0003] Heat pipes have extremely high heat transfer efficiency because they use the phase change process of evaporation and condensation to transfer heat, so they are used in more and more fields, and are also playing an increasingly important role in the field of solar energy utilization, but the heat transfer capacity is not large. , because it is necessary to increase the tube core of the capillary material to generate capillary power, the manufacturing is complicated, the cost is high, the function is single, the heat transfer distance is limited, and the application field is limited

Method used

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  • Low cost solar tracing and novel thermal circulation method
  • Low cost solar tracing and novel thermal circulation method
  • Low cost solar tracing and novel thermal circulation method

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Experimental program
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Effect test

Embodiment 1

[0058] Embodiment 1: as attached figure 1 The solar conversion device 1 shown is a synchronous deflection mode supported by a single universal hinge (which can be deflected forward, backward, left, and right) and is connected by a connecting rod 3 to form a synchronous linkage mechanism of parallel connecting rods. The automatically controlled driving system is connected, and as the driving end 4 moves, all solar conversion devices will deflect synchronously. Because the tracking movement of the sun is divided into the daily tracking in the east-west direction and the annual tracking in the north-south direction, it is two-dimensional. figure 2 It means that the twin-screw mechanism can meet the two-dimensional movement of the displacement output end 5, and the two-dimensional movement of the output end 5 can meet the requirements of the design law by controlling the speeds of the two screws respectively by the control system. figure 1 When the driving input terminal 4 in th...

Embodiment 2

[0067] Embodiment 2: as attached Figure 8 Shown is a synchronous and interlocking plane concentrating schematic diagram of reflectors. The concentrating point is set in the concentrating plane formed by the sun rays passing through the deflection axis of the support frame. The support frame tracks the sun rays and deflects synchronously. Install with different deflection angles and phase differences in the deflection direction in the light-gathering plane to meet the need for a suitable deflection speed in the process of synchronous deflection tracking the sun so that the reflected light always faces the light-gathering point (receiver) in the light-gathering plane 11. In order to calculate the relationship between the "appropriate deflection speed" of the mirror surface and the deflection speed of the sun's rays in the light-gathering plane, the line a in the figure represents the sun's rays, b is the normal line of the mirror, c is the reflected light, d is the horizon, and...

Embodiment 3

[0081] Embodiment 3: as attached Figure 11 It is a schematic diagram of a synchronous interlocking plane concentrating system with downward secondary reflection. The high-position reflector 12 is added to first reflect the light to the plane mirror and then downward secondary reflection to the receiver 11, making solar high-temperature heating more convenient. The position of the focal point of the secondary reflection can be determined by the principle of mirror imaging (it is always mirror-symmetrical to the primary focal point), but the distance of the downward reflection should not be too large or the high-position reflector needs a large area. In order to adapt to concentrating heating in more areas, a convex reflector can be used to extend the reflection distance downward, which requires reducing the single mirror area of ​​the ground reflector. For example, when the diameter of the light spot produced after condensing light is 1 meter, if the area of ​​the single mirro...

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Abstract

The invention relates to low-cost solar tracking and a new thermal cycle method, and belongs to the field of solar thermal application and thermodynamic cycle electricity generation or refrigeration. The solar link tracking adopts a link mechanism and other synchronous link systems; one array of solar energy conversion devices only need a set of tracking control system and can be used for solar energy collection, solar photovoltaic power generation and a reflecting mirror light-concentrating system; the dynamic heat pipe thermodynamic cycle can transfer heat efficiently, has wide range of application, and can be used for simple steam-electric power and refrigeration; and the thermal boost type thermodynamic cycle carries out cycle operation according to the process of water replenishing, heating and lifting pressure, feeding water to a system, decompression and water re-replenishing and can be used for the steam-electric power, the refrigeration, an external combustion engine, magnetohydrodynamics power generation and the like. The low-cost solar tracking and the new thermal cycle method can realize the solar utilization, heat transmission, energy conversation and power generation with low cost and high efficiency, and play an important role in improving an energy structure and the environment.

Description

technical field [0001] The invention belongs to the field of solar thermal power generation, and includes a solar energy utilization method for synchronously tracking the sun, a solar mirror concentrating system, heat pipe heat transfer, solar thermal power generation and the like. Background technique [0002] At present, solar heat collection and power generation technologies are developing rapidly, mainly including solar photovoltaic power generation (solar cells) and solar thermal power generation. Dish-type or trough-type reflective concentrator or tower-type flat reflective concentrator, the common idea is that a single heat collector is enlarged and a separate tracking system is used. It is difficult to take advantage of cost reduction. At present, the thermal units used in solar thermal power generation have low thermal efficiency due to the inability to achieve large capacity and high parameters. The thermal system using the Stirling cycle can improve some power ge...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): F24J2/38F24J2/00F24J2/10F24J2/02F01K25/06F28D15/02H02K44/08F24S20/30F24S23/70F24S50/20
CPCY02B40/18Y02E10/47
Inventor 张玉良
Owner 张玉良
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