Intelligent ultra long haul heating cable

The utility model provides an intelligent ultra long haul heating cable, include by the interior electric conductor that sets gradually outside to, glass fiber weaving layer, compound mica area aroundpackage, polyamides imido around package, silastic -layer, sheath, inoxidizing coating, be equipped with the intelligent temperature measuring line in the electric conductor. The utility model provides an intelligent ultra long haul heating cable, simple structure, factor of safety is high, is applicable to long distance, pipeline that power supply point is few, and the longest distance can reach80km, and can show the temperature of every meter heating cable during operation in real time, can show by every meter heat tracing pipe's temperature when heating cable is out of work. 本实用新型提供了智能型超长距离加热电缆，包括由内到外依次设置的导电体、玻璃纤维编织层、复合云母带绕包、聚酰亚氨绕包、硅橡胶层、护套、防护层，所述导电体内设有智能测温线。本实用新型提供的智能型超长距离加热电缆，结构简单，安全系数高，适用于长距离、电源点少的管道，最长距离可达80km，且能够实时显示加热电缆工作时每米的温度，当加热电缆不工作时可显示被伴热管道每米的温度。