Online distributing cable temperature monitoring device

• Main Authors: GAO GUOQIANG, LI RUIFANG, WANG TAO, LIU JUN, WANG PENG, CAO BAOJIANG, GAO BO, ZHOU LIJUN, CAO XIAOBIN, WU GUANGNING
• Format: Patent
• Language: Chinese; English
• Published: 29.06.2011
• Subjects: MEASURING; MEASURING QUANTITY OF HEAT; MEASURING TEMPERATURE; PHYSICS; TESTING; THERMALLY-SENSITIVE ELEMENTS NOT OTHERWISE PROVIDED FOR

The utility model discloses an online distributing cable temperature monitoring device which adopts a distributing structure and basically comprises a field monitoring part, a signal transmission part and a central control part, wherein a temperature sensor of the field monitoring part adopts an optical fiber grate temperature sensor; the signal transmission part adopts a multicore cable and is used for connecting the field monitoring part and the central control part; and the central control part consists of a master control computer, a channel expanding module, a fiber bragg grating signal demodulation instrument and an alarm output module. The online distributing cable temperature monitoring device adopts the safe, stable and high-precision fiber bragg grating temperature sensor as well as a layered distribution structure, thus being capable of realizing the real-time monitoring on the temperature of a cable, avoiding faults and ensuring the safe running of equipment.