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Dome type focusing heat accumulator and dome type solar thermoelectric system

A thermoelectric system and heat collector technology, applied in the field of solar power generation, can solve the problems of large structure, difficult promotion, and complexity of the dish Stirling solar thermoelectric system, so as to facilitate large-scale use and promotion, and realize large-scale industrialization , the effect of simple overall structure

Active Publication Date: 2013-05-22
毛建华
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Problems solved by technology

[0003] However, the reflective focusing principle of the dish Stirling engine solar thermoelectric system makes it necessary for the system to lift the Stirling engine to the focal point of the dish parabolic mirror, and the focusing collector and the Stirling engine need to track sunlight together. This requires the design of a large and complex adjustment motion mechanism to drive the entire system to track the sun, resulting in a large and complex overall structure of the dish Stirling solar thermal power system, which is costly; limited by land occupation and cost, it is difficult to Formed a large scale, so the disc Stirling engine solar thermal power system is currently only used in small-scale power production (generally less than 30KW), it is very difficult to promote, and the application range is very narrow

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  • Dome type focusing heat accumulator and dome type solar thermoelectric system
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  • Dome type focusing heat accumulator and dome type solar thermoelectric system

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Embodiment Construction

[0041] In order to make the object, technical solution and advantages of the present invention clearer, the present invention will be further described in detail below with reference to the accompanying drawings and examples.

[0042] The embodiment of the present invention improves the focusing heat collector of the solar thermoelectric system, adopts a completely different principle of light concentrating and heat collection, and changes the original specular reflection into lens transmission, that is, multiple Fresnel lenses are formed into a parabolic dome. The opening of the parabolic dome faces the ground, rather than the opening of the existing dish parabolic mirror which needs to face the sun. When the focusing collector of the embodiment of the present invention tracks the sun, it only needs to adjust the angle of the Fresnel lens that makes up the dome, and the dome as a whole does not need to move, and because the opening of the dome faces the ground, its focus posit...

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Abstract

The invention discloses a dome type focusing heat accumulator which comprises a paraboloid-shaped dome. The paraboloid-shaped dome is composed of multiple Fresnel lenses, and an opening of the dome faces the ground. In addition, the invention discloses a dome type solar thermoelectric system which comprises the dome type focusing heat accumulator, an external combustion engine and a power generator. A heater of the external combustion engine is arranged with in a focal point range of the dome, and the external combustion engine is connected with the power generator and used for driving the power generator to generate power. The dome type focusing heat accumulator and the dome type solar thermoelectric system have the advantages of simple structure and low cost.

Description

technical field [0001] The invention relates to the technical field of solar power generation, in particular to a dome-type focusing heat collector and a dome-type solar thermoelectric system. Background technique [0002] At present, in the field of solar thermoelectricity that uses solar energy to generate electricity, the disc Stirling engine solar thermoelectric system is a system with high efficiency, such as the Chinese patent with publication number CN102192114. The main feature of this dish-type Stirling engine solar thermal power system is that its concentrating heat collector uses a dish-shaped parabolic mirror as a focusing heat collector, which is similar in shape to a large parabolic radar antenna, and the Stirling engine is placed on a dish-shaped paraboloid. At the focal point of the focusing collector, the heater of the Stirling engine is heated, which makes the Stirling engine work and drive its connected generator to generate electricity. Among them, the d...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): F24J2/12F24J2/46F03G6/06F02G1/043F24S23/71
CPCY02E10/42Y02E10/46
Inventor 毛建华毛楚楚
Owner 毛建华
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