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    • 9. 发明申请
    • FIBRE STRUCTURE FOR THE IDENTIFICATION OF DEFECTS IN THE STRUCTURE
    • 用于识别结构缺陷的光纤结构
    • WO2007003883A1
    • 2007-01-11
    • PCT/GB2006/002322
    • 2006-06-22
    • BAE SYSTEMS PLCDUNLEAVY, MichaelHAQ, Sajad
    • DUNLEAVY, MichaelHAQ, Sajad
    • G01M5/00G01N21/91
    • G01N21/91G01M5/0033G01M5/0083G01M5/0091G01M11/08
    • This invention is concerned with means for detecting potential fracturing, such as stress fractures, or damage to, a fibre based structure, by incorporating either hollow fibres containing coloured fluids, or solid fibres, or hollow fibres containing coloured fluids or fluids, which are capable of changing their visual appearance when exposed to external forces, and/or by incorporating fibres within the structure which can change a property such as electrical resistance, capacitance or inductance so that there is an indication whenever and wherever and the extent when a fracture occurs. Where coloured fluids are used, detection is by leakage of the fluid around the fracture. Where colour changing fluids are employed, detection is by observation of change of colour of the fluid. Different fluids can be used for different levels in the strata of tubes in the structure and where these are embedded within the structure, they can be observed where the fibres emanate from the body of the structure. Where fibres are incorporated into the structure that rely on electrical properties to sense a fracture, these fibres may be solid and formed from electrically conductive material and may be coated with such material. Alternatively, though used together with solid fibres, hollow fibres may be used where those hollow fibres contain and/or are coated with electrically conductive material. Appropriate detector means are associated with these fibres to detect the occurrence of a fracture.
    • 本发明涉及通过掺入含有有色液体的中空纤维或固体纤维或含有着色流体或流体的中空纤维来检测潜在的断裂,例如应力断裂或损坏纤维基结构的方法 在暴露于外力时改变其视觉外观,和/或通过在结构内引入可改变诸如电阻,电容或电感之类的特性的光纤,使得当断裂发生时每当和任何地方和程度都有指示。 在使用有色液体的情况下,检测是通过裂缝周围的流体泄漏。 在使用变色流体的情况下,通过观察流体颜色的变化来进行检测。 不同的流体可以用于结构中的管层中的不同水平,并且这些流体嵌入结构内,可以观察到纤维从结构体发出的位置。 当纤维结合到依赖于电性能以感测断裂的结构中时,这些纤维可以是固体的并且由导电材料形成并且可以用这种材料涂覆。 或者,尽管与固体纤维一起使用,但是当中空纤维含有和/或涂覆有导电材料时,可以使用中空纤维。 合适的检测器装置与这些纤维相关联以检测骨折的发生。