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Self-adaption device and method applied to Stirling engine heating pipe overtemperature

A Stirling engine and heating tube technology, which is applied in the direction of hot gas variable displacement engine devices, heating tubes, engine components, etc., can solve the problems of power generation device decline, solar energy can not be used, power grid fluctuations, etc., to achieve enhanced disturbance , effective use of solar energy, and stable operation

Active Publication Date: 2019-09-06
AECC AVIATION POWER CO LTD
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  • Claims
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Problems solved by technology

[0003] However, the removal of the light spot will not only reduce the power generation of the power generation device instantaneously, causing fluctuations to the power grid, but also make it impossible to use the solar energy during the time period when the light spot is removed, resulting in a decrease in efficiency

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  • Self-adaption device and method applied to Stirling engine heating pipe overtemperature
  • Self-adaption device and method applied to Stirling engine heating pipe overtemperature

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Embodiment Construction

[0031] In order to make the purpose, technical solutions and advantages of the embodiments of the present invention clearer, the technical solutions of the present invention will be clearly and completely described below in conjunction with the accompanying drawings. Obviously, the described embodiments are part of the embodiments of the present invention, not all of them. the embodiment. Based on the embodiments of the present invention, all other embodiments obtained by persons of ordinary skill in the art without making creative efforts belong to the protection scope of the present invention.

[0032] combine figure 1 and figure 2 As shown, as a certain preferred embodiment of the present invention, a kind of self-adaptive device that is applicable to Stirling engine heating pipe overtemperature of the present invention, comprises several memory alloys 2, preferably, memory alloy 2 is TiNi base shape memory alloy , and it is a two-way memory effect. Each memory alloy 2 i...

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Abstract

The invention discloses a self-adaption device and method applied to Stirling engine heating pipe overtemperature. The self-adaption device and the method applied to Stirling engine heating pipe overtemperature comprises a plurality of memory alloys; each memory alloy is arranged on the inner wall of a heating pipe; when the temperature in the heating pipe is lower than the temperature threshold of the memory alloys, each memory alloy is attached to the inner wall of the heating pipe; when the temperature in the heating pipe exceeds the temperature threshold of the memory alloys, each memory alloy is bent in the radial direction of the heating pipe; and when the shapes of the memory alloys change and bend and when a gas working medium with the same mass flow rate flows, the bent memory alloys enhance disturbance of airflow, the convective heat transfer coefficient is improved, convection heat exchange between the gas working medium and the heating pipe is enhanced, and the purpose of reducing the temperature of the heating pipe is achieved. The self-adaption device and method applied to Stirling engine heating pipe overtemperature adopt enhanced heat exchange, the waste of energy is avoided, the operation of a generation set is not paused, the operation is more stable, the cooling of the heating pipe is realized, meanwhile, the solar energy can be effectively utilized, the power generation can also not be interrupted, and the stability of power output is guaranteed.

Description

technical field [0001] The invention belongs to the technical field of Stirling engines, and in particular relates to an adaptive device and method suitable for overheating of Stirling engine heating pipes. Background technique [0002] When the dish-type Stirling power generation device is operating in the field, when the light intensity exceeds the design value, the pressure may have reached the upper limit at this time, which may cause the heating pipe or heat-absorbing parts to overheat. The measures taken can only ensure the safety and reliability of the power generation device by removing the light spot. [0003] However, the removal of the light spot will not only reduce the power generation of the power generation device instantaneously, causing fluctuations to the power grid, but also make the solar energy during the time of cutting the light spot unusable, resulting in a decrease in efficiency. Contents of the invention [0004] In order to solve the technical p...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): F02G1/055
CPCF02G1/055F02G2255/00
Inventor 黄汉林段艳娟杨文革徐国成曹珍珍
Owner AECC AVIATION POWER CO LTD
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