Palekana EMI EMI Palekana Palena Layer ma ka hui ʻana i nā uea keleawe ʻole a i ʻole
wehewehe huahana
ʻO ka walaʻau uila ke ʻano o ka ikehu electromagnetic i hoʻokuʻu ʻia e nā mea uila e like me nā mīkini hoʻomaʻemaʻe, nā mea hana, nā mea hoʻololi, nā mana relay, nā laina mana a me nā mea ʻē aʻe. .
I mea e hoʻopaʻa pono ai i ka hana pono o kahi mea uila, e mālama ʻia i ka leo i makemake ʻole ʻia.ʻO nā ʻano kumu (1) pale, (2) noʻonoʻo, (3) absorption, (4) bypassing.
Mai ka hiʻohiʻona o ke alakaʻi, ʻo ka ʻāpana pale e hoʻopuni mau i nā mea lawe mana, e hana i mea hōʻike no ka radiation EMI a ma ka manawa like, ma ke ʻano he ala e alakaʻi ai i ka leo i ka honua.No laila, ʻo ka nui o ka ikehu e hiki ai i ka conductor i loko e hoʻemi ʻia e ka pale pale, hiki ke hoʻemi nui ʻia ka mana, inā ʻaʻole e hoʻopau loa.ʻO ke kumu attenuation e pili ana i ka pono o ka pale.ʻOiaʻiʻo, hiki ke koho ʻia nā degere like ʻole o ka pale e pili ana i ke kiʻekiʻe o ka walaʻau i ke kaiapuni, ke anawaena, ka maʻalahi a me nā mea pili ʻē aʻe.
ʻElua ala e hana ai i kahi pale pale maikaʻi i nā conductors.ʻO ka mea mua ma o ka hoʻohana ʻana i kahi ʻāpana alumini ʻeleʻele ʻeleʻele e hoʻopuni ana i nā conductors a ʻo ka lua ma kahi ʻāpana wili.Ma ka hoʻopili ʻana i nā uea keleawe ʻole a i ʻole ke kani ʻana, hiki ke hana i kahi papa maʻalahi a puni nā conductors.Hāʻawi kēia hāʻina i ka maikaʻi o ka maʻalahi o ka hoʻopaʻa ʻia ʻana, ke crimped ke kaula i kahi mea hoʻohui.Eia nō naʻe, ʻoiai ke hōʻike nei ka braid i nā āpau liʻiliʻi ma waena o nā uea keleawe, ʻaʻole ia e hāʻawi i ka uhi piha o ka ʻili.Ma muli o ka paʻa o ka ulana, ʻo nā pale pale maʻamau e hāʻawi i kahi uhi mai 70% a 95%.Ke paʻa ke kaula, 70% ka mea maʻamau.ʻAʻole hiki i ka uhi ʻili kiʻekiʻe ke lawe mai i ka pono pale kiʻekiʻe.No ka mea, ʻoi aku ka ʻoi aku o ka conductivity o ke keleawe ma mua o ka alumini a ʻoi aku ka nui o ka braid no ka hoʻokō ʻana i ka walaʻau, ʻoi aku ka maikaʻi o ka braid e like me ka pale i hoʻohālikelike ʻia me ka papa foil.
