Solar Stirling engine with multi-thermal head structure

A Stirling engine and solar energy technology, which is applied in the directions of solar thermal power generation, mechanical power generation by solar energy, hot gas variable displacement engine device, etc., can solve difficult problems such as heat transfer, reduce difficulty and cost, quickly start, The effect of reducing size

Inactive Publication Date: 2011-06-29
INST OF ENGINEERING THERMOPHYSICS - CHINESE ACAD OF SCI
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  • Abstract
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  • Claims
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Problems solved by technology

However, the heat head is shared by the four cylinders, so it is difficul

Method used

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  • Solar Stirling engine with multi-thermal head structure
  • Solar Stirling engine with multi-thermal head structure
  • Solar Stirling engine with multi-thermal head structure

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Embodiment Construction

[0014] The present invention improves the thermal head of the known solar Stirling engine. As for the Stirling engine itself, no changes are made, so the following only describes the thermal head part, while other parts of the Stirling engine are known. technology, those skilled in the art can easily imagine.

[0015] The thermal head of the present invention can be set to a plurality, for the ease of description, take the Stirling engine of four thermal heads as an example.

[0016] The four thermal heads of the present invention are respectively connected to one thermal cavity, that is, one thermal cavity is exclusively used for heating. Such a structure can not only use the external heating source more effectively and reasonably, but also replace one large solar concentrator with four smaller concentrators, thereby greatly reducing the production cost of the concentrator in the dish thermal power generation system.

[0017] The four thermal heads of the present invention a...

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Abstract

The invention relates to a solar Stirling engine with a multi-thermal head structure. The engine is provided with a plurality of thermal heads which are used for receiving solar energy and are distributed at intervals of equal angle; each thermal cavity corresponds to the corresponding equal number of thermal heads respectively; and collected solar heat is transferred to the thermal cavities corresponding to the thermal heads through the thermal heads. By adopting the multi-thermal head heating structure, a plurality of small condensing mirrors for collecting sunlight are needed to be arranged to replace the conventional single large-size condensing mirror matched with a centralized single-thermal head Stirling engine, so that the space size and manufacturing cost of a solar Stirling engine thermal power generating system are greatly reduced, and the focused solar energy can be more effectively and reasonably utilized.

Description

technical field [0001] The invention relates to a solar Stirling engine with a multi-heat head distribution structure. Background technique [0002] The solar Stirling engine is the core power machine used in the dish-type concentrating solar thermal power generation technology. It can directly use the focused solar energy to output mechanical work, thereby driving the generator connected to its output shaft to generate electricity. This technology belongs to the field of high-temperature thermal utilization of solar energy, and is an advanced technology that utilizes focused solar energy for thermal power generation. This technology is also called Stirling solar thermal power generation because it uses a Stirling engine as a power machine. It has the advantages of high photoelectric conversion efficiency and flexible use. It is necessary to form a solar power station (factory). [0003] The overall structure of a solar Stirling engine has a great influence on its efficien...

Claims

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Application Information

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IPC IPC(8): F03G6/06F02G1/043
CPCY02E10/46
Inventor 唐大伟周天李铁
Owner INST OF ENGINEERING THERMOPHYSICS - CHINESE ACAD OF SCI
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