An Adaptive Device and Method Applicable to Stirling Engine Heating Tube Overtemperature

A Stirling engine and heating tube technology, which is applied to hot gas variable capacity engine devices, heating tubes, engine components, etc., can solve the problems of reduced power generation, unutilized solar energy, and reduced efficiency of power generation devices, and achieve enhanced disturbance. , Effective use of solar energy, stable operation effect

Active Publication Date: 2022-04-08
AECC AVIATION POWER CO LTD
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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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  • An Adaptive Device and Method Applicable to Stirling Engine Heating Tube Overtemperature
  • An Adaptive Device and Method Applicable to Stirling Engine Heating Tube 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 with 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 ...

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Abstract

The invention discloses an adaptive device and method suitable for overtemperature of Stirling engine heating tubes, including a plurality of memory alloys, each of which is arranged on the inner wall of the heating tube; when the temperature in the heating tube is lower than that of the memory alloy When the temperature threshold is reached, 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 alloy, each memory alloy is bent along the radial direction of the heating pipe. When the shape of the memory alloy changes and bends, when the gas working medium with the same mass flow rate flows through, the bent memory alloy enhances the disturbance of the air flow, improves the convective heat transfer coefficient, and strengthens the convective exchange between the gas working medium and the heating tube. Heat, in order to achieve the purpose of reducing the temperature of the heating tube. The invention enhances heat exchange without causing waste of energy, without suspending the operation of the power generation device, so that the operation is more stable, and at the same time of cooling the heating tube, it can not only effectively use solar energy, but also not interrupt the power generation, so as to ensure stable power output .

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 Patents(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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