Use the leak detection apparatus of optical fiber

Use the leak detection apparatus of optical fiber

  • CN 101,443,643 B
  • Filed: 04/18/2007
  • Issued: 05/25/2016
  • Est. Priority Date: 04/18/2006
  • Status: Active Grant
First Claim
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1. leak detection apparatus, comprises the first and second light that are arranged between inner hose carcass and outer hose carcassFiber sensor, for detection of by the fluid leaks of hose carcass, is characterized in that, described sensor (2) is arranged forDetect the seepage position along hose section,Each Fibre Optical Sensor comprises the optical fiber being fixed in fluid sensitive material, this fluid sensitive material by with particular fluidContact and experience Volume Changes, and the Volume Changes of described fluid sensitive material causes the bending of described optical fiber,The fluid sensitive material of described the second Fibre Optical Sensor is experienced Volume Changes in the time contacting with water, and described the first optical fiberThe fluid sensitive material of sensor is experienced Volume Changes in the time contacting with hydro carbons.

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