An urban water pipeline with high leak detection accuracy
A water pipeline and high-precision technology, applied in pipeline systems, gas/liquid distribution and storage, mechanical equipment, etc., can solve the problems of weak distributed optical fiber signals and easy damage, and achieve convenient and fast implementation, protection from damage, The effect of interference signal weakening
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Embodiment 1
[0028] A structure of an urban water pipeline with high leak detection accuracy, specifically as Figure 1-2 As shown, the water delivery pipeline 1 is included, and the water delivery pipeline 1 is provided with a strip-shaped protrusion 102 along the axial direction. The strip-shaped protrusion 102 is provided with an inner groove 103 along the length direction, and the inner groove 103 passes through the locking clip along the length direction. 2 Encapsulation, so that the inside of the strip-shaped protrusion 102 forms a closed cavity; the distributed optical fiber 3 is penetrated along the axial direction of the water pipeline 1 in the cavity, and the distributed optical fiber 3 passes through a plurality of elastic devices 4 evenly distributed in the cavity Connected to the bottom wall of the cavity.
[0029] The above-mentioned elastic device 4 is a microspring, one end of the microspring is fixedly connected to the bottom wall of the cavity near the side of the water d...
Embodiment 2
[0031] A structure of an urban water pipeline with high leak detection accuracy, specifically as Figure 3-4 As shown, it includes a water delivery pipeline 1. The water delivery pipeline 1 is provided with a strip-shaped protrusion 102 along the axial direction. The strip-shaped protrusion 102 is provided with an inner groove 103 along the length direction. The locking clip 2 includes a strip-shaped body, and The first convex line arranged at the bottom of the strip-shaped body, the first convex line is arranged along the length direction of the strip-shaped body, and the first convex line is tightly clamped with the opening of the inner groove 103 to realize the packaging of the two, so that the strip-shaped convex A closed cavity is formed inside 102; a distributed optical fiber 3 is threaded in the cavity along the axial direction of the water pipeline 1, and the distributed optical fiber 3 is connected to the bottom wall of the cavity through a plurality of micro springs e...
Embodiment 3
[0033] A structure of an urban water pipeline with high leak detection accuracy, specifically as Figure 5-6 As shown, the water delivery pipeline 1 is included, and the water delivery pipeline 1 is provided with a strip-shaped protrusion 102 along the axial direction. The strip-shaped protrusion 102 is provided with an inner groove 103 along the length direction, and the inner groove 103 passes through the locking clip along the length direction. 2 Encapsulation, so that the inside of the strip-shaped protrusion 102 forms a closed cavity; the distributed optical fiber 3 is penetrated along the axial direction of the water pipeline 1 in the cavity, and the distributed optical fiber 3 passes through a plurality of elastic devices 4 evenly distributed in the cavity Connected to the bottom wall of the cavity.
[0034] The above-mentioned elastic device 4 is a flexible hinge, and the flexible hinge, like the microspring, also has a sensitization effect. Regarding the structure and...
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