Thermographic inspection system

A detection system, thermal imaging technology, applied in the direction of thermal conductivity of materials, components of TV systems, image communication, etc., can solve problems that cannot be used for complex shapes and curvatures, etc.

Pending Publication Date: 2021-08-13
WATLOW ELECTRIC MFG
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

As a result, the heat entering the object may not be sufficient to cause an acceptable surface temperature difference that is easily visible with a thermal imaging camera
[0007] Furthermore, optically actuated thermal imaging is susceptible to environmental reflections and surface geometry, and cannot be used for objects with complex shapes and curvatures

Method used

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Embodiment Construction

[0018] The following description is merely exemplary in nature and is not intended to limit the invention, application or uses.

[0019] refer to figure 1 A thermal imaging detection system 10 according to the teachings of the present invention includes a pixel heater 12 and a control system 14 . Control system 14 includes heater controller 16 for controlling pixel heater 12, imaging device 18 for acquiring thermal images of pixel heater 12, and analysis for determining the location of internal structures in object 26, such as defects or voids 24 device 20. Pixel heater 12 is formed as a sheet-like structure and is removably attached to exterior surface 28 of object 26 . The term "sheet" is defined herein as a plate, a generally flat piece of material. The sheet-like structure may thus have many overall shapes, such as rectangular, square, circular, triangular, etc., or may be custom shaped to fit a particular object 26 . Preferably, the sheet-like structure of the heater ...

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PUM

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Abstract

The invention discloses an infrared thermographic inspection system (10), which includes a heat source (12) configured to be removably attached to an exterior surface (28) of an object (26). A thermal imaging device (16) obtains a thermal image of the object (26), and an analyzing device (20) determines a location of a defect (24) in the object (26) based on the thermal image. The heat source (12) consists of a flexible polyimide heater (12) comprising a plurality of heating elements (42) which are independently controlled and the flexible heater can conform to the exterior surface (28) of the object (26).

Description

[0001] related application [0002] The present invention is a divisional application of a patent application with an application date of December 3, 2014, an application number of 201480066127.1, and an invention title of "Thermal Imaging Detection System". technical field [0003] The present invention relates to non-destructive testing (NDT), and more particularly to thermal imaging inspection systems and methods for inspecting objects. Background technique [0004] The statements in this section merely provide background information related to the present disclosure and may not constitute prior art. [0005] Non-destructive testing (NDT) typically involves introducing external stimuli into an object to inspect an object without permanently changing the material properties of the object. Thermography is a non-destructive testing technique and uses an external energy source to heat an object and induce a temperature difference between defective and non-defective areas in ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G01N25/18G01N25/20G01N25/72
CPCG01N25/72G01J5/48G01N25/18H04N5/33
Inventor 穆罕默德·诺斯拉蒂卡尔·斯汪森凯文·帕塔斯恩斯基凯文·R·史密斯路易斯·P·辛德豪尔
Owner WATLOW ELECTRIC MFG
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