Temperature and leakage monitoring optical cable network based on heat distribution pipeline
The invention provides a temperature and leakage monitoring optical cable network based on a heat distribution pipeline. On the basis of a heat distribution pipeline network, optical cables are pavedall along the heat distribution pipelines; by utilizing a monitoring mode switching device, not only...
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| creator | SHI YING DONG ENZHAO CUI JINGLONG WANG YUNQI ZHANG SHUCHEN FENG PINGYAN LUO CHENGMIAO CHEN JIANCHENG SUN JINFENG |
| description | The invention provides a temperature and leakage monitoring optical cable network based on a heat distribution pipeline. On the basis of a heat distribution pipeline network, optical cables are pavedall along the heat distribution pipelines; by utilizing a monitoring mode switching device, not only amplitude variation and position information can be obtained through correspondence relation between amplitude variation of a Rayleigh scattering light interference phase signal and temperature variation and/or noise disturbance signals caused by leakage to determine pipeline leak points, but alsotemperature information of each point along a fiber can be obtained through correspondence relation between temperature and frequency shift of a Brillouin light scattering signal and by combining positioning information of Fresnel light reflection information, thereby helping to realize whole-course no-blind-area leakage monitoring and temperature abnormity monitoring of each heat distribution pipeline of the heat distribu |
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On the basis of a heat distribution pipeline network, optical cables are pavedall along the heat distribution pipelines; by utilizing a monitoring mode switching device, not only amplitude variation and position information can be obtained through correspondence relation between amplitude variation of a Rayleigh scattering light interference phase signal and temperature variation and/or noise disturbance signals caused by leakage to determine pipeline leak points, but alsotemperature information of each point along a fiber can be obtained through correspondence relation between temperature and frequency shift of a Brillouin light scattering signal and by combining positioning information of Fresnel light reflection information, thereby helping to realize whole-course no-blind-area leakage monitoring and temperature abnormity monitoring of each heat distribution pipeline of the heat distribu</abstract><oa>free_for_read</oa></addata></record> |
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| language | chi ; eng |
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| subjects | BLASTING HEATING LIGHTING MEASUREMENT OF MECHANICAL VIBRATIONS OR ULTRASONIC, SONIC ORINFRASONIC WAVES MEASURING MEASURING QUANTITY OF HEAT MEASURING TEMPERATURE MECHANICAL ENGINEERING PHYSICS PIPE-LINE SYSTEMS PIPE-LINES STORING OF DISTRIBUTING GASES OR LIQUIDS TESTING THERMALLY-SENSITIVE ELEMENTS NOT OTHERWISE PROVIDED FOR WEAPONS |
| title | Temperature and leakage monitoring optical cable network based on heat distribution pipeline |
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