What are halogen-free electronic wires?What are the common failures?
Deta：
2020-03-30
Halogen-free electronic wires are extended from electronic wires and meet the environmental requirements of the European Union ROHS standard. They are usually used in weak-current engineering, such as
Halogen-free electronic wires are extended from electronic wires and meet the environmental requirements of the European Union ROHS standard. They are usually used in weak-current engineering, such as the internal wiring of electronic and electrical equipment. They can be used in electrical equipment wiring, light-emitting diode module wiring, home appliances wiring, automobile wiring, terminal wiring, mechanical internal wiring, lighting fixture wiring, electronic wiring, transformer wiring, power supply, etc.Roadboard connectors, LED light strips, etc.
Mechanical damage: Halogen-free electronic wires are damaged by heavy objects, accidentally damaged by excavators, excessive bending of halogen-free electronic lines during laying, damaged insulation, severe extrusion of halogen-free electronic lines during transportation, damaged insulation and protective layers, subsidence of bottom layer, pulling of directly buried cables too large, etc. The insulation is damaged because of all factors, even halogen-free electronic lines may break to avoid mechanical damage of cablesOverhead halogen-free electronic lines can be used. When laying halogen-free electronic lines along the wall, they should be concealed. Signs should be left in the ground. Soil collection around halogen-free electronic lines is prohibited.
Moisture insulation: due to poor construction technology of halogen-free electronic lines, moisture intrudes into the internal of electronic lines, or the protective layer of halogen-free electronic lines is damaged, moisture enters the halogen-free electronic lines; lead-packed cables are laid around the source of the earthquake, fatigue cracks due to long-term vibration, and the outer skin of the halogen-free electronic lines is corroded and floating, and there are holes or cracks in the lead-pack due to poor manufacturing quality; in view of thisFor these phenomena, the maintenance of the outer layers of halogen-free electronic circuits should be strengthened, and a layer of bitumen should be applied to the outer layers on schedule.
Overvoltage: The insulation layer of halogen-free electronic lines is broken down by atmospheric or internal overvoltage, especially if the Internal Overvoltage of the system causes multiple cables to break down at the same time. In this respect, lightning arrestors should be installed.
Insulation Aging: During the long-term operation of halogen-free electronic lines, the electrical and mechanical functions of the insulating materials become worse due to poor heat dissipation or overload, and the insulation layer becomes brittle or broken. If this is the case, the halogen-free electronic lines should be regularly tested for their preventive voltage resistance. If the reduction of the insulation of halogen-free electronic lines does not meet the safe operation conditions, new cables should be replaced.
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