Ma ke ʻano, hoʻohana nā ʻōpeʻapeʻa i ka ultrasonic echolocation e ʻimi ai i kā lākou mea pio, a ma ka manawa like, ua ulu pū kekahi mau mea i nā pale - hiki i kekahi mau moth ke komo pono i nā hawewe kani ultrasonic ma o nā hale maikaʻi ma ko lākou mau ʻēheu e pale aku i nā noʻonoʻo kani e hōʻike ana i ko lākou kūlana.ʻO kēia ka manawa mua i ʻike ai ka poʻe ʻepekema i nā mea acoustic ma ke ʻano.ʻOiai ke kuhikuhi ʻia nei nā ʻēheu moth i nā hawewe kani ultrasonic (ʻoi aku ka nui o ka vibration ma mua o 20,000 Hz), ʻo kā lākou mau kumu hoʻoheheʻe kani e kūlike me nā ʻano mea kani kani a mākou e ʻike ai i loko o ko mākou ola, akā ʻo ka mea hope Hoʻoponopono i ka hoʻolālā like me ke alapine. band (20Hz-20000Hz) e like me ka lohe kanaka.I kēia lā, e kamaʻilio kākou e pili ana i nā mea hoʻohāhā pili i ka NVH.
Puka mai ke kani mai ka haʻalulu o kekahi mea, a he ʻano nalu ia e hoʻolaha ana ma o ke ʻano waena a hiki ke ʻike ʻia e ke kino hoʻolohe kanaka.ʻO ka NVH e pili ana i ka walaʻau (noise), vibration (vibration) a me harshness (harshness), nona ka walaʻau a me ka haʻalulu i ʻike pololei ʻia e mākou, ʻoiai ʻo ke kani ʻana o ke kani ke hoʻohana nui ʻia e wehewehe i ke ʻano o ke kino o ke kanaka i ka haʻalulu a me ka walaʻau. .manaʻo pilikia.No ka mea, ʻike ʻia kēia mau mea ʻekolu i ka manawa like i ka haʻalulu mechanical a hiki ʻole ke hoʻokaʻawale ʻia, aʻo pinepine ʻia lākou.
E like me ka mea i hōʻike ʻia ma ke kiʻi ma lalo nei, i ka wā i hoʻokomo ʻia ai ke kani i loko o ka mea a i ʻole ka ʻili o ka ʻāpana acoustic structural, ʻike ʻia kekahi hapa o ka ikehu kani, komo kekahi hapa o ia mea i ka mea, a hoʻopili ʻia kekahi hapa e ka mea. ʻo ia, ka paio ma waena o ke kani a me ke ʻano a puni i ka wā hoʻolaha a i ʻole ka hopena o ka mea ʻāpana.ʻO ka haʻalulu, ke kaʻina hana e hoʻololi ai i ka ikehu kani i ka wela a nalowale.Ma ka ʻōlelo maʻamau, hiki i kēlā me kēia mea ke komo a hōʻike i ke kani, akā ʻokoʻa ka pae o ka absorption a me ka noʻonoʻo ʻana.
Hoʻokaʻawale nui ʻia nā mea NVH i ʻelua mau ʻāpana: nā mea kani kani a me nā mea kani-insulating.Ke komo ka nalu kani i loko o ka mea hoʻoheheʻe leo, e hoʻonāwaliwali ka ea a me nā kaula i loko o ka mea, a e hoʻololi ʻia ka ikehu kani i ikehu wela a pau kekahi hapa o ia mea, e like me ke kuʻi ʻana i ka huaʻala me ka kuʻi.
ʻO ka mea hoʻoheheʻe kani ka mea i hoʻohana ʻia e pale ai i ka walaʻau, e like me ke kuʻi ʻana o ka lima i ka pale a pale pololei.ʻO ka mea hoʻoheheʻe leo he paʻakikī a ʻaʻole porous, a paʻakikī ke komo ʻana o nā hawewe kani, a ʻike ʻia ka hapa nui o ka ikehu kani, i hiki ai ke hoʻokō i ka hopena o ka insulation kani.
Loaʻa i nā mea hoʻoheheʻe ʻia me kahi ʻano porous nā pōmaikaʻi kūʻokoʻa i ka lawe ʻana i ke kani.Loaʻa i nā mea me kahi ʻano microporous paʻa i ka hopena insulation kani maikaʻi.Loaʻa i nā ʻūhā acoustic NHV maʻamau ka polyurethane, polyolefin, rubber resin, a me ke aniani.ʻO ka pahu, ka pahu metala, a me nā mea ʻē aʻe, ma muli o nā ʻano ʻokoʻa o ka mea ponoʻī, ʻokoʻa ka hopena o ke kani ʻana a me ka hoʻohaʻahaʻa leo.
ʻO ka pahu polyurethane
Loaʻa i ka polyurethane foam material kona ʻano pūnaewele kūʻokoʻa, hiki ke komo i ka nui o ka ikehu hawewe kani e hiki ai ke hoʻokō i kahi hopena hoʻoheheʻe kani maikaʻi, a i ka manawa like he kiʻekiʻe kiʻekiʻe a me ka hana buffering maikaʻi.Eia nō naʻe, haʻahaʻa ka ikaika o ka polyurethane foam maʻamau, a maikaʻi ʻole ka hopena insulation leo, a e emi ana kāna hana hoʻoheheʻe kani i ka hala ʻana o ka manawa.Eia kekahi, ʻo ka puhi ʻana e hoʻopuka i ke kinoea ʻawaʻawa, ʻaʻole ia e launa pū me ke kaiapuni.
XPE/IXPE/IXPP polyolefin mea hu'ahu'a
XPE/IXPE/IXPP, polyethylene/polypropylene foam i hoʻopili kemika/electronically cross-linked polyethylene/polypropylene foam material, loaʻa i ke kani kūlohelohe, ka hoʻohaʻahaʻa ʻana i ka wela, ka cushioning a me ka pale ʻana i ke kaiapuni, a maikaʻi kona ʻano ʻōhū kūʻokoʻa kūʻokoʻa maikaʻi no ka hoʻohaʻahaʻa leo a me ka hoʻohaʻahaʻa leo.Hana maikaʻi loa.
huʻa pulu
He mea NVH maikaʻi nā mea i hoʻoulu ʻia, a ʻoi aku ka maikaʻi o nā mea e like me ke silicone, ethylene-propylene-diene rubber (EPDM), nitrile-butadiene rubber (NBR), neoprene (CR), a me ka styrene-butadiene rubber (SBR) ma mua o ka mua. ʻelua mau mea., 'Oi aku ke ki'eki'e, a ua piha ka loko i nā puka li'ili'i a me nā hale semi-wehe, i ma'alahi ke komo i ka ikehu kani, pa'akikī ke komo, a ho'emi i nā hawewe kani.
melamine resin foam
ʻO ka melamine resin foam (melamine foam) kahi mea kani maikaʻi loa.Loaʻa iā ia kahi ʻōnaehana mānoanoa ʻekolu-dimensional me nā puka kūpono.Hoʻopau ʻia ka haʻalulu, a hiki ke hoʻopau maikaʻi ʻia ka nalu i ʻike ʻia i ka manawa like.I ka manawa like, ʻoi aku ka maikaʻi o nā pono multi-functional a me ke kaulike ma mua o nā mea momona maʻamau e pili ana i ka retardancy flame, insulation wela, ke kaumaha māmā a me ke ʻano hana.
alumini pahu
E hoʻohui i nā mea hoʻohui i ka alumini maʻemaʻe a i ʻole ka alumini alumini a hoʻouna i ka pahu huʻa, e hoʻokomo i ke kinoea e hana i ka huʻa wai, a hoʻopaʻa i ka huʻa wai e hana i mea metala.Loaʻa iā ia ka mana insulation leo maikaʻi, a he lōʻihi ka hana hoʻoheheʻe leo, hiki i ke ola lawelawe maikaʻi ke piʻi aku ma mua o 70 mau makahiki, a hiki ke hana hou ʻia a hoʻohana hou ʻia 100%.
aniani huʻa
He inorganic non-metallic aniani mea i hana ʻia me ke aniani haʻihaʻi, ka mea hoʻoulu ʻana, nā mea hoʻohui i hoʻololi ʻia a me ka hoʻoulu ʻana i ka pua, a me nā mea ʻē aʻe, ma hope o ka hoʻoheheʻe ʻia ʻana a hui pū ʻia, a laila hoʻoheheʻe ʻia i ka wela kiʻekiʻe, hoʻoheheʻe ʻia a hoʻohui ʻia.
Ma ke ola maoli, ʻaʻohe mea hiki ke hoʻopaʻa piha i nā hawewe kani i nā alapine like ʻole, a ʻaʻohe mea hiki ke hana hewa ʻole i nā noi.I mea e hoʻokō ai i kahi hopena maikaʻi maikaʻi loa, ʻike pinepine mākou i ka hui ʻana o nā acoustic foams ma luna aʻe a me lākou me nā ʻano o nā ʻano leo absorption / sound insulation e hana i nā ʻano mea like ʻole o ka foam i hoʻoikaika ʻia, a i ka manawa like e hoʻokō i ka hopena. o ka hoʻoheheʻe ʻana o ka leo mea a me ke kani ʻana o ke kani ʻana, e hoʻokō ʻia ʻO ka hana ʻana o ke kani ʻana o nā mea i nā ʻāpana alapine like ʻole o ke alapine kiʻekiʻe a me ke alapine haʻahaʻa.Eia kekahi laʻana, hiki i ke kaʻina hana hui o ka acoustic foam a me nā kaʻina hana ʻole i ulana ʻia ke hoʻohana piha i ke ʻano ʻekolu-dimensional ʻokoʻa o ka hope e hoʻemi pono i ka haʻalulu o nā hawewe kani, e hana ana i nā mea hiki ʻole no ka hoʻoheheʻe ʻana i ke kani a me ka hoʻohaʻahaʻa ʻana i ka leo;) ʻO nā ʻaoʻao ʻelua o ka ʻili i hoʻopaʻa ʻia me nā mea i hoʻoikaika ʻia i ka carbon fiber, nona ka rigidity mechanical kiʻekiʻe a ʻoi aku ka ikaika o ka hopena, a laila e loaʻa ai ka maikaʻi o ka haʻalulu a me ka hoʻohaʻahaʻa leo.
I kēia manawa, hoʻohana nui ʻia nā mea NVH foam i ka lawe ʻana, ka ʻenehana kūkulu hale, ka hoʻohaʻahaʻa leo ʻoihana, ka hana kaʻa a me nā māla ʻē aʻe.
Kaʻahele
Ua komo ka hana kaʻa kaʻa kūlanakauhale o koʻu ʻāina i kahi pae o ka hoʻomohala wikiwiki ʻana, a ʻo nā haunaele e like me nā kaʻa, nā kaʻaahi, nā kaʻa kaʻa kaʻa kūlanakauhale, a me nā kaʻa maglev ua ume ka manaʻo nui.I ka wā e hiki mai ana, ʻoi aku ka maikaʻi o ka hoʻohana ʻana o ka acoustic foam a me kāna mau mea i hoʻohui ʻia i ka insulation leo a me ka hoʻohaʻahaʻa ʻana i ka walaʻau o nā alanui a me ke kaʻa o ke kūlanakauhale.
nā hana kūkulu
Ma ke ʻano o ka hoʻolālā a me ka hoʻolālā, ma kahi o ka hana acoustic maikaʻi, loaʻa i nā mea waiwai nā koi kiʻekiʻe loa i ka palekana, a ʻo ka retardancy ahi kahi hōʻailona paʻakikī ʻaʻole hiki ke kāpae ʻia.ʻO nā plastic foam maʻamau (e like me ka polyolefin, polyurethane, a me nā mea ʻē aʻe).I ka wā e puhi ai, heheʻe lākou a hana i nā kulu.ʻO nā kulu ahi e hoʻolaha koke i ke ahi.I mea e hoʻokō ai i nā lula a me nā kūlana e pili ana i ka lapalapa ahi, pono pinepine e hoʻohui i nā mea pale ahi, ka nui o ia mau mea e decompose ke ʻike ʻia i ka wela i nā wela kiʻekiʻe, a hoʻokuʻu i ka nui o ka uahi, nā mea ʻawaʻawa a me nā kinoea corrosive.hoʻoulu i nā pōʻino lua a me ka haumia kaiapuni.No laila, ma ke kahua o ke kūkulu ʻana, nā mea acoustic me ka lapalapa ahi, ka uahi haʻahaʻa, ka haʻahaʻa haʻahaʻa, a me ka hoʻohaʻahaʻa ʻana i ke ahi e kū pono ana i kēia manawa kūpono hoʻomohala mākeke, inā he hale kalepa e like me nā wahi haʻuki, hale kiʻiʻoniʻoni, hōkele, hale ʻaha mele, etc. hale noho.
Hoemi Halo Hana Hana
ʻO ka walaʻau ʻoihana e pili ana i ka walaʻau i hana ʻia e ka hale hana ma ke kaʻina hana ma muli o ka haʻalulu mechanical, ka hopena frictional a me ka haunaele o ka ea.Ma muli o ka nui a me ka hoʻopuehu ʻia nā kumu leo ʻoihana, ʻoi aku ka paʻakikī o nā ʻano o ka walaʻau, a paʻakikī hoʻi nā kumu kani hoʻomau o ka hana ʻana, he paʻakikī loa ka mālama ʻana.
No laila, ʻo ka mana o ka walaʻau ma ka ʻoihana ʻoihana e hoʻohui i nā ana e like me ka absorption sound, insulation sound, noise reduction, vibration reduction, noise resonance, luku ʻia o ka resonance structural, a me ka pipeline sound absorption wrapping, i mea e hoʻihoʻi ai i ka walaʻau i kahi. pae kūpono no nā kānaka.degere, ʻo ia hoʻi ka wahi hoʻohana kūpono o nā mea acoustic.
hana kaʻa
Hiki ke hoʻokaʻawale ʻia nā kumu o ka walaʻau kaʻa i ka walaʻau ʻenekini, ke kani ʻana o ke kino, ka walaʻau kaʻa, ka walaʻau chassis, ka leo makani a me ka leo o loko.ʻO ka hoʻohaʻahaʻa ʻana i ka walaʻau i loko o ka hale kaʻa e hoʻomaikaʻi nui i ka ʻoluʻolu o ka mea hoʻokele a me nā mea e noho ana.Ma waho aʻe o ka hoʻomaikaʻi ʻana i ka rigidity o ka chassis a me ka hoʻopau ʻana i ka wahi resonance haʻahaʻa haʻahaʻa e pili ana i ka hoʻolālā, hoʻopau nui ʻia ka hoʻopau ʻana o ka walaʻau ma ke ʻano o ka hoʻokaʻawale a me ka absorption.Mai ka manaʻo o ka mālama ʻana i ka ikehu, pono nā mea i hoʻohana ʻia e māmā.Mai kahi manaʻo palekana, pono nā mea e loaʻa i ke ahi a me ka wela wela.ʻO ka hiki ʻana mai o ka acoustic foam a me nā ʻano mea like ʻole multi-functional composite e hāʻawi i nā mea hou no ka hoʻomaikaʻi ʻana i ke kūpaʻa o ka walaʻau, ka palekana, ka hilinaʻi, ka mālama ʻana i ka ikehu a me ka pale o ke kaiapuni o nā kaʻa.
Ka manawa hoʻouna: ʻAukake-17-2022