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电缆警示带的结构与物理性能

泉源:/ 宣布时间:日期:2023-02-18 0
电缆警示带的探测常用的要领是电磁法。电缆警示带内夹带的金属箔 ,在电磁场作用下的感应电流会爆发二次场?稍诘孛嫔嫌锰讲庖瞧魈讲獾 ,以确定电缆警示带的位置。例如电磁法自动源法 ,信号强 ,定位、定深的精度高 ,不受邻近其他管道滋扰(被查电缆警示带需有露出点)。使用时发射机一端接被查踪迹带 ,另一端接地或接踪迹带另一端。探测仪通过探测踪迹带爆发的磁感应强度的转变 ,确定踪迹带的空间位置。
The common method for detecting cable warning tape is electromagnetic method. The induced current of the metal foil carried in the cable warning belt under the action of electromagnetic field will produce a secondary field. It can be detected on the ground with a detection instrument to determine the position of the cable warning tape. For example, the active source method of electromagnetic method has strong signal, high accuracy of positioning and depth determination, and is not interfered by other nearby pipelines (the detected cable warning tape needs to be exposed). When in use, one end of the transmitter is connected to the detected track band, and the other end is grounded or connected to the other end of the track band. The detector determines the spatial position of the track belt by detecting the change of magnetic induction intensity generated by the track belt.
电缆警示带的结构
Structure of cable warning tape
底膜与面膜、底膜与铝箔团结牢靠 ,并整体滚花成型。电缆警示带印有醒目、性的警示语 ,不掉色、不褪色。
The bottom film and facial mask, and the bottom film and aluminum foil are firmly combined and knurled as a whole. The cable warning tape shall be printed with eye-catching and permanent warning words, which shall not fade or fade.
电缆警示带
电缆警示带的物理性能
Physical properties of cable warning tape
(1)电缆警示带每卷内无讨论。
(1) There is no joint in each roll of cable warning tape.
(2)电缆警示带两层塑料薄膜的剥离强度应大于0.10N/mm(拉伸速率25mm/min)。
(2) The peel strength of the two layers of plastic film of the cable warning tape shall be greater than 0.10N/mm (tensile speed 25mm/min).
(3)每卷电缆警示带应通电导通 ,电阻小于20Ω/100m(用欧姆表检测)。
(3) Each reel of cable warning tape shall be powered on and the resistance shall be less than 20 Ω/100m (measured with ohmmeter).
(4)电缆警示带的延伸率≥25%。
(4) The elongation of cable warning tape is ≥ 25%.
电缆警示带的结构与物理性能相关内容就解说到这里了 ,您对此有怎样的疑惑或者需求 ,可以随时来我们网站留言中咨询或者电话联系!
The structure and physical performance of the cable warning tape will be explained here. If you have any doubts or needs about it, please come to our website at any time Consultation or telephone contact in the message!

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