Overhead presentation. Modern life would be inconceivable without electrical appliances at home and in the work environment. High-frequency transmitters, such as mobile phones, have become part of our everyday life. Electro smog is used to describe electromagnetic fields that have a negative impact on humans, the environment and technology. 90 % of future innovations in the automotive interior will be based on electronics. This creates the conditions necessary for an error-free functioning of electronic systems. What advantages do textiles have against foils, metal casings in reducing electromagnetic interference? Given the flexibility in terms of structural design, the textile can, for instance, be employed to shield off building components and subassemblies, it can be used as insert to cover casings, for lamination, back injection and impression for in-mould lamination, but also for the jacketing of cable harnesses as made-to-measure part. Shielding in general includes shielding of human beings, shielding of components, shielding of buildings as well as military shielding. For shielding electrical conductive yarns are necessary. In the fabric the fabric construction, the yarn itself and the finishing method have influences on the shielding capacity. As conductive materials steel fibres, carbon, copper, silver etc. are used. The shielding effect provided in relation to the structural design of the textile is illustrated. Different shielding fabrics are presented, including single jersey circular knitted fabrics, woven fabrics in plain weave, and a coated fabric. In the measured frequency range of 0 Hz to 1 GHz, the efficiency of the developed textiles exhibits a consistent reduction and very slight dependency an the polarizing direction. Depending on the structural design of the textile, the field strength is reduced by up to 99 %.
EMV Textilien - Textile Lösungen zur Abschirmung von Elektrosmog im Autoinnenraum
EMV textiles - Solutions for screening electrosmog in the car interior
2003
34 Seiten, Bilder
Aufsatz (Konferenz)
Datenträger
Deutsch
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