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a power generating device

A technology of a power generation device and a Stirling engine, which is applied to machines/engines, mechanical equipment, and mechanisms that generate mechanical power, etc., can solve the problems of difficult processing technology, poor economy, and inconvenient production, and achieve high power scalability. and economical effects

Active Publication Date: 2019-09-06
TECHNICAL INST OF PHYSICS & CHEMISTRY - CHINESE ACAD OF SCI
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

[0010] In order to solve the above-mentioned technical problems, the present invention provides a power generation device to solve the technical problems of the existing free-piston Stirling generators with low specific power, inconvenient production, difficult processing technology and poor economy

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specific Embodiment 1

[0056] The phase modulation mechanism 300 of the present invention is an acoustic resonance tube. One end of the acoustic resonance tube is closed, and the other end is open. The output end of the Stirling engine 100 is closed-connected with the open end of the acoustic resonance tube. The two-way turbine power generation device 200 is installed in the acoustic resonance tube, such as Figure 9 As shown, the two-way turbine power generation device 200 can be installed at any position between the maximum points of the volume flow rate in the acoustic resonance tube.

[0057] That is, during the working process, the Stirling engine 100 converts heat energy into sound energy. By realizing the acoustic impedance matching between the two-way turbine power generation device with significant acoustic resistance characteristics and the Stirling engine whose outlet requires sound resistance and acoustic acoustic characteristics, Through the two-way turbine power generation device 200...

specific Embodiment 2

[0060] The phase modulation mechanism 300 of the present invention is an acoustic resonance tube. Both ends of the acoustic resonant tube are open. The output end of the Stirling engine 100 is closed-connected to the open end of the acoustic resonance tube, and an air reservoir 400 is installed to the other open end of the acoustic resonance tube. Two-way turbine power generation device 200 is installed at the entrance of gas storage 400, such as Figure 10 shown.

[0061] That is, during the working process, the Stirling engine 100 converts heat energy into sound energy, and the two-way turbine power generation device 200 with significant sound resistance characteristics is realized through the acoustic resonance tube. Acoustic impedance matching is converted into electric energy output through the bidirectional turbine power generation device 200 .

[0062] In this embodiment, the volumetric flow rate at the inlet of the two-way turbine power generation device 200 is adju...

specific Embodiment 3

[0067] As another specific embodiment of the present invention, a power generation device of the present invention includes a Stirling engine 100, a phase modulation mechanism 300 and a bidirectional turbine power generation device 200, wherein the phase modulation mechanism 300 in this embodiment is a harmonic oscillator . The output end of the Stirling engine 100 is closed-connected with a connecting pipe 500, and the end of the connecting pipe 500 is connected with an air reservoir 400, and the resonator and the bidirectional turbine power generation device 200 are respectively installed in the connecting pipe 500, and make the Stirling The engine 100 is connected with a bidirectional turbine power generation device 200 through a harmonic oscillator. In order to further improve its efficiency, the two-way turbine power generation device 200 of the present invention is preferably installed at the entrance of the gas storage.

[0068] The present invention uses the Stirling ...

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Abstract

The invention relates to the technical field of new energy developing, and discloses a power generation device. According to the power generation device, a Stirling engine is adopted for converting heat energy into acoustic energy, impedance is adjusted through a phase adjusting mechanism, the bothway turbine power generation device is used in a matched manner to convert the acoustic energy into mechanical energy for power generation, and therefore the aim of heat energy power generation is achieved. The bothway turbine power generation device has the beneficial effects of being simple in structure, good in power expandability and high in economical efficiency. Through cooperation with the free piston Stirling engine which is high in efficiency and long in service life, a Stirling power generation system is more economical and reliable.

Description

technical field [0001] The invention relates to the technical field of new energy development, and more specifically, to a power generation device. Background technique [0002] The free-piston Stirling generator is a highly efficient and compact power generation system. Its power generation process goes through the process of thermo-acoustic-electricity. The acoustic-electric conversion part generally adopts a linear generator, that is, a free-piston Stirling linear generator. Such as figure 1 Shown is a schematic diagram of the structure of the free-piston Stirling linear generator. The main components of the free-piston Stirling linear generator are composed of a free-piston Stirling engine 16 and a linear motor 17, wherein the free-piston Stirling engine 16 mainly includes ejector 15, ejector supporting plate spring assembly 12, 13, high temperature heat exchanger 2, regenerator 3, and low temperature heat exchanger 4. The ejector 15 can reciprocate in the axial direct...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): F03G7/00
Inventor 戴巍刘冬冬陈燕燕罗二仓胡剑英
Owner TECHNICAL INST OF PHYSICS & CHEMISTRY - CHINESE ACAD OF SCI
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