Distributed optical fiber water leakage sensor based on diode optical fiber side coupling effect
A distributed optical fiber, water leakage sensor technology, applied in the direction of material analysis, instruments, scientific instruments, etc. through optical means, can solve the problems of water leakage sensors not being able to detect in real time, impact on service life, and high processing costs, so as to improve the sensitivity of water leakage, improve the The effect of long service life and low cost
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[0020] The present invention will be further described below in conjunction with specific examples.
[0021] A distributed optical fiber water leakage sensor based on diode optical fiber side coupling effect, such as figure 1Shown: including light emitting diode fiber 1 and photodetection diode fiber 2, the light emitting diode fiber 1 and photodetection diode fiber 2 are the combination of cuboid fiber and lens structure fiber cladding, and the cuboid fiber and lens structure fiber cladding materials are the same , integrated molding; the inside of the light-emitting diode optical fiber 1 is provided with light-emitting diodes 3 that are evenly distributed and connected to each other, and the light-emitting diodes 3 are LED light-emitting diodes and are located at the focal point corresponding to the optical fiber cladding of the lens structure; the light detection diode The optical fiber 2 is provided with evenly distributed and interconnected photodetection diodes 4, the ph...
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