Zolankhula Zosaphulika: Zinthu Zofunika Kwambiri ndi Ntchito Zamakampani

Chifukwa Chake Ma Speaker Osaphulika Ndi Ofunika M'madera Oopsa

Mafakitale omwe amagwira ntchito m'malo osinthasintha amafunika kukhala olimbaAdilesi Yapagulu ndi Alamu Yaikulu(PA/GA) kuti zitsimikizire chitetezo cha ogwira ntchito komanso kupitiriza kugwira ntchito. M'madera omwe pali mpweya woyaka, nthunzi, kapena fumbi loyaka, zida zamagetsi zodziwika bwino zimakhala pachiwopsezo chachikulu cha kuyaka.Zokamba zosaphulikaapangidwa makamaka kuti athetse vutoli pamene akupereka machenjezo ofunikira a mawu ndi mauthenga a mawu m'mafakitale akuluakulu komanso amphamvu.

Kugwiritsa ntchito zipangizo zapaderazi zoyankhulirana si njira yabwino yokha; ndi lamulo lokhwima lolamulidwa ndi malamulo oyendetsera chitetezo padziko lonse lapansi. Kumvetsetsa mfundo za uinjiniya, zofunikira pa satifiketi, ndi ziwerengero za magwiridwe antchito a mawu a ma speaker osaphulika ndikofunikira kwa mainjiniya amagetsi, oyang'anira malo, ndi akatswiri ogula omwe ali ndi udindo woteteza malo oopsa.

Momwe Mungakhazikitsire Kufunika kwa Oyankhula Osaphulika

Kuti timvetse kufunika kwa zida zomvera zomwe sizingaphulike, munthu ayenera kuyang'ana mbali yachitatu ya moto: mafuta, mpweya, ndi gwero loyatsira moto. M'malo oopsa a mafakitale, mafuta (monga methane, haidrojeni, kapena fumbi la tirigu) ndi mpweya nthawi zambiri zimapezeka mumlengalenga wozungulira. Chosintha chokhacho chomwe chingathe kulamulirika ndi gwero loyatsira moto. Zolankhula wamba zimagwiritsa ntchito ma coil a mawu, ma transformer, ndi mawaya omwe amatha kupanga ma spark amagetsi kapena kutentha kwa pamwamba kupitirira malire oyaka okha a zinthu zozungulira zosinthasintha. Mwachitsanzo, mphamvu yoyatsira moto yochepa (MIE) ya osakaniza a haidrojeni ndi mpweya ndi yotsika kwambiri, yoyezedwa pafupifupi 0.017 mJ. Wokamba nkhani wamba wamalonda amatha kupanga mphamvu zotulutsa mpweya zomwe zimapitirira malire awa panthawi yogwira ntchito kapena vuto.

Zolankhulira zosaphulika zimapangidwa kuti zichotse cholankhuliracho ngati gwero lothandiza la kuyatsa. Izi zimachitika osati poletsa mpweya wosasunthika kulowa mu chipangizocho, koma poonetsetsa kuti kuyatsa kulikonse kwamkati kwatsekedwa ndikuzimitsidwa musanafalikire ku chilengedwe chakunja. Kusintha kwakukulu kumeneku mu filosofi ya uinjiniya kumatanthauza kusankha zinthu mokhwima, kulolerana kwa kapangidwe kake, ndi njira zoyendetsera kutentha zomwe zimagwiritsidwa ntchito mu zipangizozi.

Zoopsa Zazikulu Zogwirira Ntchito Pakulankhulana Pamalo Oopsa

Kulankhulana m'malo oopsa kuli ndi zovuta zapadera zogwirira ntchito zomwe sizingachitike nthawi yomweyo. Malo opangira mafakitale monga mafakitale oyeretsera zinthu, malo obowola zinthu m'mphepete mwa nyanja, ndi malo opangira mankhwala amadziwika ndi phokoso lalikulu. Phokoso lakumbuyo kuchokera ku ma compressor, ma turbine, ndi makina olemera nthawi zambiri limagwira ntchito pakati pa 85 dB(A) ndi 110 dB(A). M'mikhalidwe yotereyi, chiopsezo chachikulu chogwira ntchito ndi acoustic masking, komwe ma alarm ofunikira othawa kapena malangizo a mawu adzidzidzi samveka.

Kuti muchepetse chiopsezochi, pamafunika ma speaker osaphulika omwe amatha kupanga Ma Phokoso Aakulu (SPL) popanda kuwononga satifiketi yawo ya malo oopsa. Lamulo loyenera logwira ntchito limafuna kuti mawu a alamu azipitirira phokoso lakumbuyo ndi osachepera 10 mpaka 15 dB(A) kuti zitsimikizire kuti mawuwo adziwika. Chifukwa chake, malo okhala ndi phokoso la 95 dB(A) amafunika kutulutsa mawu a acoustic osachepera 105 dB(A) mpaka 110 dB(A) pamalo a womvera. Kulephera kukwaniritsa izi kumabweretsa "malo akufa" kapena mithunzi ya acoustic, zomwe zimawononga kwambiri njira zotetezera malo onse ndikuwonjezera nthawi yoyankha yotuluka panthawi yamavuto akuluakulu.

Kodi Chimatanthauza Chiyani Wokamba Nkhani Wosaphulika?

Mawu akuti "osaphulika" nthawi zambiri amamvedwa molakwika m'mafakitale. Sizitanthauza kuti cholankhuliracho sichingawonongeke kapena kuti chingapulumuke kuphulika kwadzidzidzi. M'malo mwake, zikutanthauza kuti chotchingira cha chipangizocho chapangidwa kuti chikhale ndi kuphulika kwamkati kwa mpweya woyaka kapena nthunzi, zomwe zimaletsa kuyaka kwa mlengalenga woopsa wozungulira.

Kutha kusunga mawu kumeneku kumadalira uinjiniya wolondola wamakina, sayansi yokhwima ya zinthu, ndi zida zapadera zamawu zomwe zimasiyanitsa zokamba mawu zosaphulika ndi njira zina zamalonda zolimba kapena zosagwirizana ndi nyengo.

Kapangidwe ka Malo Ozungulira, Njira za Moto, ndi Kutseka

Njira yaikulu ya sipika yolimbana ndi kuphulika (Ex d) ndi kapangidwe kake ka mpanda ndi kukhazikitsa njira zamoto. Mpweya wosasunthika ukalowa m'nyumba ya sipika ndipo ukayatsidwa ndi vuto lamagetsi lamkati, kuphulika komwe kumachitika kumabweretsa kupanikizika kwakukulu kwamkati. Khomalo liyenera kukhala ndi mphamvu zokwanira zamakaniko kuti lipirire kupsinjika kumeneku popanda kusweka. Chofunika kwambiri, mpweya wotentha kwambiri womwe ukukulirakulira uyenera kutulutsidwa bwino kupita kunja kuti uteteze kulephera kwa mpanda.

Mpweya wotuluka uwu umachitika kudzera m'njira zoyatsira moto zomwe zimakonzedwa bwino—mipata pakati pa malo olumikizirana a mpanda. Njirazi zimapangidwa ndi kutalika kwake komanso malo otseguka bwino, nthawi zambiri zimapangidwa molingana ndi kutalika kwa 0.15 mm. Pamene mpweya woyatsidwa umakakamizika kudutsa m'njira zopapatiza, zotchedwa labyrinthine, umataya mphamvu ya kutentha mwachangu. Pofika nthawi yomwe mpweya umatuluka m'mpanda, kutentha kwake kumakhala kotsika pansi pa kutentha kwa mlengalenga wakunja, zomwe zimazimitsa bwino motowo ndikuletsa kufalikira kwakunja. Kuphatikiza apo, ma meshes apadera achitsulo amagwiritsidwa ntchito nthawi zambiri pamwamba pa horn ya acoustic kapena driver otseguka kuti alole mafunde a phokoso kudutsa pamene akugwira ntchito ngati mafuta otenthetsera kuti aziziritse mpweya wotuluka.

Zofunikira Zoyerekeza za Wokamba Nkhani Wosaphulika

Poyesa ma speaker osaphulika, kusankha zinthu zomangira ndiye muyezo waukulu woyerekeza, womwe umakhudza kulimba, kulemera, komanso kuyenerera kwa malo enaake. Zipangizo zitatu zazikulu zomwe zimagwiritsidwa ntchito mumakampaniwa ndi Copper-Free Aluminium, Glass-Reinforced Polyester (GRP), ndi Stainless Steel 316L.

Aluminiyamu imapereka kutentha kwabwino kwambiri komanso kapangidwe kake kabwino pamtengo wotsika, zomwe zimapangitsa kuti ikhale yofala kwambiri m'malo ogwiritsidwa ntchito m'mphepete mwa nyanja. GRP imapereka njira yopepuka komanso yosagwira dzimbiri, yoyenera malo ovuta kwambiri a mankhwala komwe zitsulo zingawonongeke. Chitsulo Chosapanga Dzimbiri 316L chimayimira gawo lapamwamba kwambiri, chimapereka kukana kosayerekezeka ku kupopera mchere ndi zinthu zowononga, zomwe zimapangitsa kuti ikhale chisankho chabwino kwambiri m'magawo amadzi am'madzi ndi mafakitale akuluakulu.

Mphamvu Yotulutsa, SPL, Impedance, ndi Kuyankha Kwafupipafupi

Kupatula kuletsa makina, mphamvu ya mawu ya sipika yosaphulika iyenera kukwaniritsa miyezo yokhwima ya mafakitale. Mphamvu yotulutsa ya zida izi nthawi zambiri imakhala kuyambira 15W mpaka 30W, yoyendetsedwa ndi madalaivala apadera opondereza. Ngakhale kuti mphamvu imeneyi imawoneka yochepa poyerekeza ndi makina amawu amalonda, mapangidwe a horn amphamvu kwambiri amalola sipika izi kupanga Ma SPL Abwino Kwambiri, nthawi zambiri kufika pa 110 dB mpaka 125 dB pa mita imodzi.

Kufananiza kwa Impedance ndikofunikira kwambiri pamakina akuluakulu a PA/GA. Ma speaker ambiri osaphulika amakhala ndi ma transformer ophatikizika ambiri, omwe amawalola kuti azigwira ntchito pa mizere ya mawu ya 100V kapena 70V yogawidwa. Kapangidwe kameneka kamachepetsa kutayika kwa chizindikiro panthawi yayitali yogwiritsidwa ntchito m'mafakitale akuluakulu. Kuyankha pafupipafupi kumakonzedwa mwadala kuti mawu a anthu azitha kumveka bwino komanso kuti mawu a alamu alowe, nthawi zambiri kuyambira 300 Hz mpaka 8 kHz. Bandi yocheperako iyi imagwiritsa ntchito ma frequency otsika omwe amadya mphamvu zambiri popanda kuthandizira kumveka bwino kwa mawu m'malo okhala ndi phokoso lalikulu.

Ziphaso ndi Miyezo Yoyenera Kuwunika

Kusankha cholankhulira chomwe sichimaphulika kumafuna kuyenda m'malo ovuta a ziphaso zapadziko lonse lapansi komanso miyezo yachitetezo ya m'deralo. Chipangizo chomwe chimaonedwa kuti ndi chotetezeka m'dera lina chingaletsedwe mwamphamvu m'dera lina ngati chilibe zizindikiro zoyenera za m'derali.

Kutsatira malamulo sikungakambirane; kuyika zida zosavomerezeka kapena zoyesedwa molakwika pamalo oopsa kumaphwanya malamulo achitetezo pantchito, kumachotsa mfundo za inshuwaransi, komanso kumabweretsa chiopsezo chachikulu kwa ogwira ntchito ndi zomangamanga.

Ma Rating a Gulu la Kalasi, Gawo, Chigawo, Gulu la Gasi, ndi Fumbi

Malo oopsa amagawidwa pogwiritsa ntchito njira ziwiri zazikulu: dongosolo la Kalasi/Gawo (lomwe limagwiritsidwa ntchito kwambiri ku North America motsatira NEC/CEC) ndi dongosolo la Zone (lomwe limagwiritsidwa ntchito padziko lonse lapansi motsatira miyezo ya IEC). Dongosolo la Kalasi/Gawo limagawa zoopsa motsatira mtundu (Gawo I la mpweya, Gulu II la fumbi) ndi kuthekera kopezeka (Gawo 1 la ntchito zabwinobwino, Gawo 2 la zinthu zosazolowereka). Mosiyana ndi zimenezi, dongosolo la Zone limagawa zoopsa za mpweya m'magulu a Zone 0 (kukhalapo kosalekeza), Zone 1 (kukhalapo nthawi zina), ndi Zone 2 (kukhalapo kosazolowereka), ndi Zone 2 yofanana ndi Zone 20, 21, ndi 22 za fumbi loyaka.

Kuphatikiza apo, ma speaker ayenera kuyesedwa pa Magulu a Gasi ndi Magulu a Fumbi. Gas Group IIC imayimira mpweya wosasunthika kwambiri, monga hydrogen ndi acetylene, womwe umafuna mapangidwe olimba kwambiri a enclosure. Dust Group IIIC imaphatikizapo fumbi loyendetsa monga ufa wachitsulo. Kugawa kutentha (T-Rating) ndikofunikira kwambiri; speaker yokhala ndi T4 rating imatsimikizira kuti kutentha kwake kwakukulu kwakunja sikudzapitirira 135°C pansi pa mikhalidwe yayikulu ya cholakwika, kuonetsetsa kuti sidzayatsa mpweya wokhala ndi kutentha koyatsa kokha pamwamba pa malire amenewo.

Kusiyana kwa Satifiketi ya ATEX, IECEx, ndi UL

Bungwe lopereka satifiketi lovomereza chipangizochi ndi lomwe limalamula kuti chigwiritsidwe ntchito mwalamulo m'misika inayake yapadziko lonse lapansi.ATEX(Atmosphères Explosibles) ndi lamulo lofunikira pa zida zomwe zimagwiritsidwa ntchito mkati mwa European Union. IECEx ndi dongosolo la satifiketi yapadziko lonse lapansi lopangidwa kuti lithandizire malonda apadziko lonse lapansi, lovomerezeka kwambiri m'madera monga Australia, Middle East, ndi Asia. Ku North America, zida nthawi zambiri ziyenera kukhala ndi zizindikiro kuchokera ku Nationally Observed Testing Laboratories (NRTLs) monga UL, FM, kapena CSA.

Zolemba, Zolemba, ndi Zojambula Zoyikira

Magulu ogula ndi mainjiniya ayenera kutsimikizira zikalata zonse asanalandire sipika yolimba. Chikalata Chovomerezeka Chotsatira (DoC) ndi satifiketi yovomerezeka kuchokera ku Bungwe Lodziwitsidwa (monga Sira, Baseefa, kapena PTB) ziyenera kutsagana ndi chinthucho. Dzina lenileni la sipikayo liyenera kuwonetsa zizindikiro za Ex kosatha, malire a kutentha kwa malo (monga, Ta = -40°C mpaka +60°C), ziwerengero zamagetsi, ndi khodi ya IP.

Zojambula ndi malangizo okhazikitsa omwe aperekedwa ndi wopanga ndi zikalata zovomerezeka motsatira malamulo a Ex. Zikalatazi zimafotokoza magawo ofunikira okhazikitsa, monga mtundu wofunikira wa ma chingwe otsimikizika kale (monga, ma chingwe otchinga a Ex d a volumes enaake amkati) ndi ma torque enieni a ma bolts otchinga. Kupatuka ku njira zokhazikitsira zomwe zafotokozedwa ndi wopanga nthawi yomweyo kumathetsa chitsimikizo choteteza kuphulika kwa cholumikizira chonsecho.

Momwe Mungatchulire Wokamba Nkhani Wosaphulika

Kumasulira zofunikira zaukadaulo kukhala njira yogwirira ntchito ya PA/GA kumafuna njira yolinganiza bwino kapangidwe ka makina. Kusankha sipika yoyenera yosaphulika kumakhala kogwirizana kwambiri ndi zochitika, kutengera kwathunthu njira yeniyeni yamakampani, malo enieni, ndi malo olumikizirana mawu a malowo.

Mainjiniya ayenera kulinganiza zofunikira pakuphimba mawu ndi zochitika zoopsa zachilengedwe, kuonetsetsa kuti zidazo zikupulumuka nthawi yonse yogwira ntchito ya malowa komanso kusunga ziphaso zake zofunika kwambiri zachitetezo.

Mapulogalamu Ogwira Ntchito Zamakampani Omwe Amafuna Oyankhula Osaphulika

Kufunika kwa ma speaker osaphulika kumakhudza mafakitale osiyanasiyana akuluakulu.mafuta ndi gasimagawo—kuyambira pa makina obowola m'mphepete mwa nyanja mpaka ku malo oyeretsera mafuta m'mphepete mwa nyanja—chiwopsezo chosatha cha kutuluka kwa hydrocarbon chikufuna zomangamanga zolumikizirana zomwe zili paliponse. Mofananamo, mafakitale opanga mankhwala omwe amagwira ntchito ndi zosungunulira zosinthasintha amafunikira kufalikira kwakukulu kwa mawu a Zone 1 ndi Zone 2.

Komabe, madera oopsa samangokhala mpweya ndi nthunzi zokha. Makampani opanga ulimi ndi chakudya akukumana ndi zoopsa zazikulu chifukwa cha fumbi loyaka. Ma elevator a tirigu, mafakitole a ufa, ndi malo opangira shuga amagwira ntchito m'malo omwe tinthu tating'onoting'ono tomwe timapachikidwa tingapangitse mpweya wophulika kwambiri. Mwachitsanzo, kuchuluka kwa kuphulika kwa fumbi la tirigu nthawi zambiri kumakhala pakati pa magalamu 40 mpaka 50 pa mita imodzi iliyonse. Mu ntchito izi, ma speaker ayenera kukhala ndi ziphaso za Dust Group (monga IIIB kapena IIIC) ndi Zone 21/22, zomwe zimakhala ndi zotchingira zomwe zimaletsa kuti tinthu tating'onoting'ono tisalowe m'malo omwe angayatse zinthu zamagetsi zamkati.

Zinthu Zachilengedwe: Kutupa, Kusamba, ndi Kutentha

Ziwerengero zosaphulika zimathetsa mavuto oyatsa moto, koma ziŵerengero zolowera m'malo ozungulira zimatsimikiza kutalika kwa ntchito ya sipika. Malo omwe amakhudzidwa ndi mvula yamphamvu, kusamba kwamphamvu, kapena kukhazikika kwa tinthu tating'onoting'ono tambiri timafuna zipika zokhala ndi ziŵerengero zolimba za Ingress Protection (IP), makamaka IP66 kapena IP67. Ku North America, ziŵerengero zofanana za NEMA 4X nthawi zambiri zimatchulidwa, zomwe zimasonyezanso kuti sizingagwe ndi dzimbiri.

Kutentha kwambiri kumalamulira kusankha zinthu ndi zigawo zake. Malo omwe ali ku Arctic Circle kapena Middle East amafuna ma speaker ovomerezeka kuti azigwiritsidwa ntchito kutentha kwa nthawi yayitali, nthawi zambiri kuyambira -50°C mpaka +70°C. Kuphatikiza apo, malo okhala ndi mchere wambiri, monga malo otsetsereka a LNG m'mphepete mwa nyanja kapena nsanja za m'mphepete mwa nyanja, amachititsa kuti zida ziwonongeke mofulumira. Muzochitika izi, kusankha malo otchingira zitsulo zosapanga dzimbiri a 316L ndi mabulaketi omangira m'madzi ndikofunikira kuti tipewe kuwonongeka kwa kapangidwe kake komwe kungawononge kulimba kwa njira zamoto.

Njira Yosankhira Pang'onopang'ono

Kusankha sipika yoyenera yosaphulika kumatsatira njira yolondola kwambiri yaukadaulo. Choyamba, dziwani gulu lenileni la malo oopsa (Kalasi/Gawo kapena Malo, Gasi/Gulu la Fumbi, ndi T-Rating) lofunikira pa malo enieni oyika. Izi zimasefa nthawi yomweyo zida zosatsatira malamulo. Chachiwiri, fufuzani zinthu zomwe zimasokoneza chilengedwe kuti mudziwe zinthu zofunika kuzibisa (Aluminiyamu, GRP, kapena Chitsulo Chosapanga Dzimbiri) ndi IP rating.

Chachitatu, chitani mawerengedwe a mawu. Yesani kapena yesani kuchuluka kwa phokoso la malo ozungulira. Gwiritsani ntchito lamulo lokhazikika lofuna kuti kamvekedwe ka alamu kakhale 10 mpaka 15 dB(A) pamwamba pa phokoso la malo ozungulira. Pogwiritsa ntchito lamulo lozungulira la kuchepetsa phokoso (lomwe limalamula kuti SPL itsike ndi 6 dB pa mtunda uliwonse wowirikiza kawiri), werengerani mphamvu ya wokamba nkhani, ngodya yofalikira, ndi kuchuluka kwa malo olumikizirana kuti mukwaniritse cholinga cha SPL kudutsa malo otetezedwa. Pomaliza, tsimikizirani kuti magetsi akugwirizana, ndikuwonetsetsa kuti kuponderezedwa kwa wokamba nkhani kapena kuponderezedwa kwa transformer kukugwirizana ndi kapangidwe ka amplifier ya PA/GA ya malo ogwirira ntchito.

Momwe Mungayerekezere Ogulitsa ndi Kupanga Chisankho Chogula

Kugula ma speaker osaphulika kumatanthauza ndalama zambiri pa ntchito iliyonse yamafakitale. Kapangidwe ka zipangizozi, kuphatikiza mayeso ovuta komanso njira zotsimikizira zomwe zimadutsamo, zimapangitsa kuti mitengo ikhale yosiyana kwambiri ndi zida zodziwika bwino zamawu zamalonda.

Kupanga chisankho chogula mwanzeru kumafuna kupitirira mtengo wogulira woyamba wa chipangizocho ndikuwunika mtengo wonse wa umwini, njira zotsimikizira khalidwe la wopanga, ndi zomangamanga zothandizira zomwe zilipo kwa nthawi yayitali pa moyo wonse wa chipangizocho.

Zoyendetsa Ndalama Zonse Zoyenera Kuwunika

Poyesa ndalama zonse zomwe zimayendetsa mtengo, ogula ayenera kuzindikira mtengo wokwera kwambiri womwe umayikidwa pazida zoopsa. Ngakhale kuti sipika yolimba ya mafakitale ingagule $200 mpaka $400, sipika yovomerezeka ya Ex d nthawi zambiri imakhala pakati pa $800 mpaka kupitirira $2,500 pa unit, kutengera zida ndi satifiketi. Mitundu ya chitsulo chosapanga dzimbiri ya 316L ili pamwamba pa mitengo iyi chifukwa cha mitengo yambiri ya zinthu zopangira komanso kuvutika kwa kupanga njira zamoto zolimba kuti zikhale zosakanikirana.

Komabe, mtengo wa chipangizocho ndi gawo limodzi lokha la ndalama zonse zomwe zagwiritsidwa ntchito. Ndalama zoyikira m'malo oopsa ndi zapamwamba kwambiri chifukwa cha kufunika kwa antchito apadera, makina olumikizira magetsi osaphulika, ma chotchinga chotchinga, ndi mabokosi ovomerezeka a junction. Kuphatikiza apo, OPEX (Operational Expenditure) iyenera kuganiziridwa mu equation. Cholankhulira cha aluminiyamu chotsika mtengo chomwe chimayikidwa m'malo owononga kwambiri a m'nyanja chingafunike kusinthidwa mkati mwa zaka zitatu, pomwe chipangizo chachitsulo chosapanga dzimbiri kapena GRP chapamwamba chingapereke moyo wazaka 15 wogwirira ntchito, pamapeto pake chimapereka mtengo wotsika kwambiri wa Total Cost of Ownership (TCO).

Ubwino wa Wopanga, Kutsata, ndi Chithandizo

Kukhazikika kwa sipika yosaphulika kumadalira kwambiri njira zowongolera khalidwe la wopanga. Ogula ayenera kutsimikizira kuti wogulitsayo amagwira ntchito motsatira njira yokhwima yowongolera khalidwe yomwe idapangidwira makamaka zida zakale, monga ISO/IEC 80079-34. Muyezo uwu umatsimikizira kuti wopangayo amasunga kutsata mosamala kwa zinthuzo ndikutsatira kulekerera kolondola kwa makina komwe kumafunikira ndi mabungwe opereka satifiketi.

Opanga odziwika bwino amachita mayeso okakamiza 100% pa malo otchingidwa kuti adziwe kufooka kwa microscopic kapena zolakwika za kapangidwe kake asanayike. Kulondola ndikofunikira; wopanga ayenera kukhala ndi ziphaso za zinthu ndi zolemba za batch pa chipangizo chilichonse chotumizidwa. Kuphatikiza apo, ogula ayenera kuwunika kudalirika kwa unyolo woperekera ndi nthawi yotsogolera. Zipangizo zapadera zomwe sizimaphulika sizimasungidwa kawirikawiri m'magulu ambiri. Makonzedwe wamba angatenge milungu 4 mpaka 6 kuti iperekedwe, pomwe mitundu yojambulidwa mwamakonda kapena yolumikizidwa imatha kuwonjezera nthawi yotsogolera mpaka milungu 10 kapena 12, zomwe ziyenera kuganiziridwa mu ndondomeko ya polojekiti.

Ndondomeko Yomaliza Yosankha

Ndondomeko yomaliza yosankha wogulitsa sipika yolimba iyenera kuyang'ana kutsatira malamulo aukadaulo, magwiridwe antchito a mawu, ndi chithandizo cha ogulitsa. Ikani patsogolo opanga omwe amapereka ntchito zambiri zoyeserera mawu, monga mafayilo a data a EASE, zomwe zimathandiza mainjiniya kutsanzira kufalitsa mawu ndikutsimikizira kuphimba asanayike.

Unikani momwe wogulitsa padziko lonse lapansi alili komanso momwe angathandizire kwa nthawi yayitali. Popeza kuti mafakitale nthawi zambiri amagwira ntchito kwa zaka zambiri, kuthekera kopeza madalaivala ena, zida zosinthira, kapena chithandizo chaukadaulo chapafupi zaka 10 pambuyo pokhazikitsa ndikofunikira kwambiri. Pomaliza, kusankha sipika yoyenera yosaphulika ndi njira yochepetsera chiopsezo. Poyerekeza mosamalitsa ziphaso, zipangizo, deta ya mawu, ndi mbiri ya opanga, ogwira ntchito m'mafakitale amatha kuwonetsetsa kuti machitidwe awo olumikizirana otetezeka amagwira ntchito bwino akafunika kwambiri.

Mfundo Zofunika Kwambiri

• Sankhani ma speaker osaphulika malinga ndi gulu la malo oopsa a malowa, kuphatikizapo dera, gulu la gasi kapena fumbi, ndi kalasi ya kutentha.
• Onetsetsani kuti mphamvu ya alamu yapitirira phokoso lakumbuyo ndi osachepera 10 mpaka 15 dB(A) kuti ikhale yomveka bwino m'mafakitale omwe ali ndi phokoso lalikulu.
• Gwiritsani ntchito zida zomvera zovomerezeka zomwe sizingaphulike m'malo omwe mpweya, nthunzi, kapena fumbi loyaka lingayambitse ngozi yoyatsira.
• Konzani bwino malo oikira sipika kuti muchotse mithunzi ya mawu ndikuwonetsetsa kuti mauthenga adzidzidzi afika m'malo onse okhala anthu.
• Phatikizani zokamba zosaphulika ndi PA/GA, paging, intercom, VoIP, ndi njira zolumikizirana zadzidzidzi kuti zigwirizane pamalo onse.
• Ikani patsogolo zinthu zolimba komanso zovomerezeka zolumikizirana zamafakitale zomwe zili panja, zowononga, zafumbi, kapena zoopsa komwe kudalirika kumakhudza chitetezo cha ogwira ntchito.

Mafunso Ofunsidwa Kawirikawiri

Kodi n’chiyani chimasiyanitsa cholankhulira chosaphulika ndi cholankhulira wamba cha mafakitale?

Cholankhulira chosaphulika chimapangidwa kuti chikhale ndi zoyaka zamkati, ma arc, kapena zochitika zoyatsira moto kuti zisayatse mpweya wozungulira, nthunzi, kapena fumbi. Chimagwiritsanso ntchito malo otetezedwa, kutentha kwa pamwamba kolamulidwa, ndi zipangizo zolimba zoyenera madera oopsa a mafakitale.

Kodi ma speaker osaphulika amagwiritsidwa ntchito kuti nthawi zambiri?

Amagwiritsidwa ntchito m'malo opangira mafuta ndi gasi, m'mafakitale opanga mankhwala, m'migodi, m'mapulatifomu a m'mphepete mwa nyanja, m'malo opangira mafuta, m'malo opangira tirigu, m'malo oyendera nyanja, ndi m'malo ena oopsa komwe mpweya woyaka kapena fumbi loyaka moto lingakhalepo.

N’chifukwa chiyani kuthamanga kwa phokoso kwambiri n’kofunika m’malo oopsa?

Phokoso lakumbuyo la mafakitale likhoza kufika pa 85 mpaka 110 dB(A). Ma toni a alamu nthawi zambiri ayenera kupitirira phokoso la mlengalenga ndi 10 mpaka 15 dB(A), kotero ma speaker osaphulika ayenera kupereka mphamvu yokwanira kuti apewe malo opanda phokoso panthawi yadzidzidzi.

Ndi ziphaso ziti zomwe ogula ayenera kuyang'ana?

Ogula ayenera kuyang'ana ziphaso za malo oopsa monga ATEX, pamodzi ndi zizindikiro zoyenera za khalidwe ndi kutsata malamulo monga CE, FCC, ROHS, ndi ISO9001 komwe kuli koyenera. Chiphaso chiyenera kufanana ndi dera la malo, gulu la gasi kapena fumbi, ndi kalasi ya kutentha.

Kodi zokamba mawu zosaphulika zitha kuphatikizidwa mu makina a PA/GA kapena VoIP?

Inde. Ma speaker osaphulika amagwiritsidwa ntchito kwambiri mu ma adilesi a anthu onse komanso ma alamu wamba ndipo amatha kuphatikizidwa ndi ma paging, dispatch, IP PBX/VoIP, mafoni adzidzidzi, ndi ma intercom system kuti azitha kulankhulana bwino patsamba lonse.