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Line focusing solar device with fixed reflection surface

A solar device and line-focusing technology, applied in the field of solar energy, can solve the problems of restrictions on the large-scale promotion and application of concentrating solar equipment, high construction and operation and maintenance costs, and low average energy flux density, and achieve easy operation and maintenance, low cost and low cost. Operation and maintenance cost reduction, cost reduction effect

Inactive Publication Date: 2008-10-22
吴兴柳
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  • Abstract
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  • Claims
  • Application Information

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Problems solved by technology

Although the solar radiant energy reaching the earth's surface is very rich, the average energy flux density is very low. At present, the cost per unit area of ​​photovoltaic cells is still high, and it is impossible to lay photovoltaic cells on a large area for direct photoelectric conversion. The temperature of the heat source that can be provided is not high, and it can only be used as ordinary heating equipment. To use solar energy for power generation or other applications on a large scale, it is often necessary to increase the energy density through a certain form of concentrating equipment. However, the current concentrating solar device tracking The method is complicated, and the cost of construction and operation and maintenance is high, which limits the large-scale promotion and application of concentrated solar energy equipment

Method used

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  • Line focusing solar device with fixed reflection surface
  • Line focusing solar device with fixed reflection surface
  • Line focusing solar device with fixed reflection surface

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Embodiment Construction

[0016] In the embodiment shown in Figure 3, the fixed bracket 1 includes a support frame and a cylindrical support body. A reflector group 2 is installed on the fixed bracket 1. The axial direction of the cylindrical support body of the fixed bracket 1 should be parallel to the east-west direction. On the latitude line of the earth, determine the upward inclination angle of the cylindrical support according to the latitude of the device location, so that the symmetry plane of the cylindrical support is parallel to the equatorial plane. Since the edge of the reflector deviates from the cylindrical surface, the focusing performance is better. To ensure the focusing performance, we can first place the inner edge of the reflector on the reference cylindrical surface and adjust the outer edge of each reflector to change the inclination angle to make it parallel. The incident light on the equatorial plane (sunlight at the vernal equinox and autumnal equinox) is completely reflected and ...

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Abstract

The invention discloses a lining light gathering solar energy device with fixed reflective surface, which uses fixed reflective surface, rotates the light gathering converter, and tracks the light gathering line to realize high light gathering rate, with simple structure and lower cost. Wherein, since it uses fixed reflective surface, it can control the light gathering converter to rotate around the axes to track the gathering line, with simple circuit and mechanical device. The invention can avoid the defects of track device of light gathering solar energy device that complex structure, while it can reduce the cost and improve the reliability.

Description

Technical field [0001] The invention relates to the technical field of solar energy, in particular to a solar device that adopts a simple and firm fixed reflecting surface structure to realize the light-gathering function. Background technique [0002] As an inexhaustible clean energy, solar energy is being developed and used more and more widely. Although the solar radiation energy reaching the surface of the earth is very rich, the average energy flow density is very low. At present, the cost per unit area of ​​photovoltaic cells is still very high. It is impossible to lay photovoltaic cells on a large area to directly perform photoelectric conversion. The temperature of the heat source that can be provided is not high, and it can only be used as ordinary heating equipment. To use solar energy for power generation or other applications on a large scale, it is often necessary to increase the energy density through a certain form of concentrating equipment, but the current concen...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): F24J2/38F24J2/10F24S23/00F24S23/70H02S20/32H02S40/22
CPCY02E10/47Y02E10/44Y02E10/50
Inventor 吴兴柳
Owner 吴兴柳