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Component and a test device of the component, method for producing said configuration and use of the same

A checker and component technology, which is applied in the field of checker devices, can solve problems such as weak signals, improper setting of antennas and oscillation circuits, and failure to detect signals

Inactive Publication Date: 2007-07-18
SIEMENS AG
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

It is also possible that the antenna and oscillating circuit are incorrectly set up relative to each other, so that only a weak signal or no signal is detected at all

Method used

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  • Component and a test device of the component, method for producing said configuration and use of the same
  • Component and a test device of the component, method for producing said configuration and use of the same

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Embodiment Construction

[0037] The device 1 consists of an assembly 2 in the form of a heat shield 20 and an inspection device 3 for detecting aging 4 of the assembly 2 ( FIGS. 1 and 2 ). The tester 3 has an electrical conductor structure 33 applied to the surface section 23 of the heat shield 20 . The surface section 23 is remote from the interior 5 of the combustion chamber of the gas turbine. Conductor structures 33 are located on the outer side of heat shield 20 .

[0038] The tester 3 has an oscillation circuit 31 and an oscillation circuit 32 . An oscillating circuit 31 and a further oscillating circuit 32 are connected to form an overall oscillating circuit 30 . To this end, a capacitor 311 of an oscillating circuit 31 is connected in parallel with a further capacitor 321 of a further oscillating circuit 32 ( FIG. 4 ). It produces an overall oscillating circuit 30 with a measurable overall resonant signal, whose overall resonant frequency f 0 Depends on the capacitance of the two capacitor...

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Abstract

The invention relates to a configuration (1) of a component (2) and at least one test device (3) for recording a degradation (4, 40) of said component. Said test device has at least one electric oscillating circuit (31) and the component and oscillating circuit are interconnected in such a way that the degradation of the component causes a degradation (41) of the oscillating circuit and a modification of a detectable resonant signal of the oscillating circuit. The configuration is characterised in that the test device has at least one additional oscillating circuit (32) comprising an additional detectable resonant signal and that the oscillating circuit and the additional oscillating circuit are coupled to form a comprehensive oscillating circuit (30) comprising a detectable comprehensive resonant signal that differs from the resonant signal and the additional resonant signal. The inventive component is for example a heat shield (20) of a combustion chamber in a gas turbine. The oscillating circuits are connected in parallel. Different high-frequency signals are received for an intact oscillating circuit and for a degraded oscillating circuit. The oscillating circuit consists of a brittle ceramic conductive material. A crack (degradation) in the heat shield continues as a crack in the oscillating circuit. The measuring signal received permits the degradation of the component to be reliably detected.

Description

technical field [0001] The invention relates to a device for a component and at least one tester for detecting the aging of the component, wherein the tester has at least one oscillatory circuit and the component and the oscillatory circuit are interconnected in such a way that aging of the component leads to aging of the oscillatory circuit and The measurable resonance signal of the oscillating circuit is thus changed. The invention also relates to a method for producing the device and a method for checking the reliability performance of components when using the device. Background technique [0002] A device of this type is known, for example, from DE 102 23 985 A1. This component is a ceramic heat shield used in the combustion chamber of a gas turbine. The combustor of a gas turbine has an inner cavity and a casing surrounding the inner cavity. Fossil fuel is burned in the interior cavity of the combustion chamber. When burning, the temperature can reach up to 1500°C....

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G01N27/24G01N3/06
CPCG01N27/24G01N2203/0226G01N3/066
Inventor N·范德拉格
Owner SIEMENS AG
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