Momwe Mungasankhire Mafoni a Mafakitale M'malo Oopsa

Chiyambi

Kusankha mafoni a mafakitale m'malo oopsa kumatanthauza kugwirizanitsa magwiridwe antchito olumikizirana ndi kutsatira malamulo achitetezo. M'malo omwe mpweya woyaka, nthunzi, kapena fumbi loyaka, chipangizo cholakwika chingayambitse zoopsa zazikulu zogwirira ntchito komanso kuyatsa. Nkhaniyi ikufotokoza zinthu zofunika kwambiri zomwe ziyenera kutsogolera zisankho zogula, kuphatikizapo magulu a malo oopsa, njira zotetezera zomwe sizingaphulike komanso zotetezeka, kulimba m'malo ovuta, kudalirika kwa netiweki ndi mphamvu, komanso zofunikira pakugwiritsa ntchito mwadzidzidzi. Pomaliza, owerenga adzakhala ndi njira yothandiza yofananizira mafoni a mafakitale ndikugwirizanitsa njira iliyonse ndi miyezo yachitetezo ya tsambalo, zosowa zachilengedwe, ndi zosowa zolumikizirana.

Chifukwa chiyani mafoni a m'mafakitale oopsa amafunika kusankha molimbika

Kugula mafoni a mafakitale m'malo oopsa kumafuna kufufuza kwaukadaulo kwambiri kuposa kugula mafoni wamba. M'malo opangira ma hydrocarbon osasunthika, fumbi loyaka, kapena mankhwala osinthika, zida zamagetsi zolumikizirana zimayimira magwero omwe angayatse moto. Chifukwa chake, njira yosankha iyenera kugwirizanitsa bwino kwambiriosaphulikakapena njira zotetezeka mwachibadwa zomwe zimafuna kulankhulana kosalekeza komanso momveka bwino m'malo ovuta kwambiri komanso ozungulira.

Zofunikira pa ntchito, nthawi yopuma, komanso kulumikizana mwadzidzidzi

Kuopsa kwa ntchito m'malo oopsa kumatanthauza kuti zomangamanga zolumikizirana zimagwira ntchito ngati njira yofunikira kwambiri yopulumutsira anthu osati kungothandiza pa ntchito. Pakachitika vuto lachilendo, kuthekera kokonza nthawi yotseka kapena kusuntha anthu mwadzidzidzi kungalepheretse kutayika kwa katundu ndi imfa. Nthawi yogwira ntchito m'magawo awa ndi yokwera mtengo kwambiri; mwachitsanzo, kuyimitsidwa kosayembekezereka kwa kupanga pa nsanja yobowola m'mphepete mwa nyanja kapena fakitale yoyeretsera mafuta kumatha kubweretsa kutayika kwa ndalama zopitilira $500,000 patsiku.

Mafoni a mafakitale ayenera kugwira ntchito bwino nthawi yovutayi. Izi zimafuna ma network topology osafunikira komanso njira zamagetsi zomwe sizingalephereke kuti zitsimikizire kuti kulumikizanaku kukugwirabe ntchito ngakhale magetsi akalephera. Kuthamanga ndi kumveka bwino kwa ntchito zoyankhira zadzidzidzi zimagwirizana mwachindunji ndi kudalirika kwa zida zoyankhulirana za tsamba lino.

Magulu a malo oopsa ndi malingaliro oteteza

Kuyenda m'magulu a madera oopsa ndiye gawo loyambira posankha zida. Malamulo apadziko lonse lapansi amagawa madera awa kutengera kuchuluka ndi nthawi ya zochitika zamlengalenga zomwe zimaphulika.Malangizo a ATEXndi makina a IECEx amagwiritsa ntchito njira yochokera ku Zone, pomwe North American National Electrical Code (NEC) imadalira makina a Class and Division. Kusankha foni kumafuna kugwirizanitsa lingaliro la chitetezo cha chipangizocho—monga chitetezo chamkati (Ex i), chosayaka moto (Ex d), kapena chitetezo chowonjezereka (Ex e)—ndi zofunikira zinazake za malo.

Chipangizo chovomerezeka cha Zone 1 chiyenera kupirira malo omwe kusakanikirana kwa mpweya wophulika kungachitike nthawi zonse, pomwe chipangizo cha Zone 2 chapangidwira malo omwe kusakanikirana koteroko sikungatheke ndipo kumakhalapo kwa maola osakwana 10 pachaka. Kusankha foni yokhala ndi lingaliro lolakwika loteteza kumathetsa malamulo achitetezo a malo ndipo kungayambitse kuyaka kwakukulu.

Njira zaukadaulo ndi zotsatirira malamulo pa telefoni ya mafakitale m'malo oopsa

Kupatula chitetezo cha kuphulika koyambirira, mafoni a mafakitale ayenera kukwaniritsa zofunikira zaukadaulo kuti apulumuke m'malo owononga, owononga kwambiri, komanso otentha kwambiri pomwe akupereka magwiridwe antchito olumikizirana amakampani m'mphepete mwa malo opangira zinthu.

Ziphaso, chitetezo cha kulowa, ndi ziwerengero zachilengedwe

Ngakhale kuti ziphaso zimatsimikizira mfundo zoteteza, ziwerengero zachilengedwe zimatsimikiza nthawi yogwirira ntchito ya chipangizocho. Mafoni a mafakitale oopsa nthawi zambiri amafunikiramlingo woteteza kulowaosachepera IP66 kapena IP67 kuti aletse fumbi kulowa komanso kupirira madzi amphamvu kwambiri panthawi yotsuka malo ogwirira ntchito.

Kupirira kutentha n'kofunika kwambiri. Zipangizo zomwe zimagwiritsidwa ntchito m'mafakitale amafuta ku Arctic kapena ku Middle East ziyenera kukhala ndi satifiketi komanso magwiridwe antchito pa kutentha kozungulira kuyambira -40°C mpaka +70°C. Kuphatikiza apo, kulekerera chinyezi kuyenera kukhala ndi malo osazizira mpaka 95% kuti apewe ma short circuits amkati omwe angasokoneze zotchinga zachitetezo chamkati.

Zofunikira pa kulumikizana, mphamvu, ndi kuphatikiza machitidwe

Kapangidwe ka kulankhulana kamakhudza kwambiri kusankha mafoni a mafakitale. Zipangizo zamakono zimakonda kwambiri Voice m'malo mwa Internet Protocol (VoIP) pogwiritsa ntchito Session Initiation Protocol (SIP) m'malo mwa analogi yakale. Kuphatikiza kwa VoIP kumalola kuzindikira zinthu zapamwamba, kuyang'anira pakati, komanso kuphatikiza kwa Private Branch Exchange (PBX) kosalekeza.

Komabe, kupereka mphamvu m'malo oopsa kumavuta kugwiritsa ntchito VoIP. Mphamvu Yokhazikika pa Ethernet (PoE) pansi pa IEEE 802.3af imapereka mphamvu yokwana 15.4W, yomwe iyenera kusamalidwa mosamala kapena kupatulidwa pogwiritsa ntchito zotchinga zovomerezeka kuti zitsimikizire kuti mphamvu zimakhalabe pansi pa malire oyatsira a mlengalenga wozungulira. Pa makina a analog, mizere ya foni yotetezeka mkati mwake imafuna zotchinga zapadera za Zener kuti zichepetse mphamvu yamagetsi ndi mphamvu yamagetsi ku magawo otetezeka.

Kulimba kwa makina, magwiridwe antchito a mawu, komanso kugwiritsidwa ntchito mosavuta

Kulimba kwa makina ndi magwiridwe antchito a mawu zimakhudza mwachindunji kugwiritsidwa ntchito m'malo ovuta a mafakitale. Makoma nthawi zambiri amapangidwa kuchokera ku Glass-Reinforced Polyester (GRP), aluminiyamu yopangidwa, kapena chitsulo chosapanga dzimbiri cha 316L, chilichonse chimakhala cholimba ku mphamvu ya makina komanso dzimbiri la mankhwala.

Kugwira ntchito kwa mawu n'kofunika kwambiri; phokoso lozungulira m'chipinda chojambulira kapena fakitale yopondaponda nthawi zambiri limapitirira 85 dB(A). Kuti zithetse vutoli, mafoni a m'mafakitale ayenera kukhala ndi ma voliyumu olira osachepera 90 mpaka 95 dB(A) pa mtunda wa mita imodzi. Izi ziyenera kugwirizanitsidwa ndi maikolofoni oletsa phokoso omwe angathe kukwaniritsa kusintha kwa 15 mpaka 20 dB Signal-to-Noise Ratio (SNR) kuti atumize deta yomveka bwino pamakina akumbuyo.

Momwe mungayesere ogulitsa ndi ndalama zomwe zimafunika pa moyo wawo wonse

Kuwunika ogulitsa mafoni a m'mafakitale omwe ali ndi vuto kumafuna kusintha kuchoka pa kuwerengera ndalama zoyambira (CapEx) kupita ku mitundu yonse ya Total Cost of Ownership (TCO), poganizira kudalirika kwa nthawi yayitali, chithandizo cha ogulitsa, ndi kupezeka kwa zida.

Kuyerekeza zinthu zovomerezeka pakati pa ogulitsa

Poyerekeza zinthu zovomerezeka pakati pa ogulitsa, magulu ogula ayenera kutsimikizira mosamalitsa kuti zitsimikizidwezo ndi zenizeni komanso kuchuluka kwake. Satifiketi ya Notified Body iyenera kufotokoza mtundu ndi kapangidwe kake komwe kakugulidwa, osati zinthu zopangira zokha.

Kupatula kutsatira malamulo, kuwunika khalidwe la opanga ndikofunikira. Ogulitsa apamwamba akuwonetsa kuwongolera kolimba kwa khalidwe, poyang'ana kuchuluka kwa zolakwika za hardware zosakwana 0.5% pazida zolumikizirana zofunika kwambiri. Ogula ayeneranso kuwona mbiri ya ogulitsa m'njira yofanana.magawo a mafakitale, kufunafuna zomangamanga zowunikira zomwe zimatsimikizira magwiridwe antchito a zidazo m'ma profiles ofanana ogwirira ntchito.

Zida zosinthira, kuthekera kogwirira ntchito, nthawi yobweretsera, ndi mtengo wonse

Mtengo wa foni ya mafakitale umapitirira mtengo wake wogulira poyamba, womwe nthawi zambiri umakhala pakati pa $800 ndi $2,500 kutengera mulingo wa satifiketi, zida, ndi ukadaulo wophatikizidwa. Kukonza, kupezeka kwa zida zina, ndi kuthekera kogwiritsidwa ntchito bwino kumayendetsa TCO ya nthawi yayitali kwa zaka 10 mpaka 15 zomwe zimayembekezeredwa kuti zigwire ntchito.

Ogula ayenera kuwunika nthawi yoperekera chithandizo cha ogulitsa pa mayunitsi onse athunthu komanso zinthu zina. Chifukwa cha kupanga kwapadera komanso kuyesa kwa munthu payekha komwe kumafunika kuti pakhale malo otetezedwa ndi moto (Ex d), nthawi yoperekera chithandizo chapadera ikhoza kupitirira milungu 6 mpaka 12. Kuphatikiza apo, kuwunika nthawi yapakati pakati pa kulephera (MTBF) ndikofunikira; mafoni apamwamba amakampani ayenera kupereka chithandizo cha MTBF chopitilira maola 50,000 kuti achepetse njira zokonzera zinthu m'malo oopsa, omwe amafuna zilolezo zogwirira ntchito zodula komanso antchito apadera.

Njira yothandiza yosankha foni yoyenera yamakampani

Kugwiritsa ntchito njira yopambana yogulira mafoni a m'mafakitale omwe ali ndi vuto lalikulu kumafuna njira yolinganizidwa bwino komanso yogwira ntchito zosiyanasiyana yomwe imagwirizanitsa kutsata malamulo a chitetezo ndi kugwiritsa ntchito bwino ntchito komanso udindo wa zachuma.

Kugwirizanitsa uinjiniya, EHS, ntchito, ndi kugula

Njira yosankhira iyenera kuphatikiza zinthu zofunika kwambiri m'madipatimenti osiyanasiyana. Magulu a Zachilengedwe, Zaumoyo, ndi Chitetezo (EHS) ayenera kutsimikizira kuti ziphaso za ATEX kapena IECEx za chipangizochi zikugwirizana ndendende ndi kuwunika kwa zoopsa komwe kuli pamalopo komanso zojambula za malo oopsa.

Madipatimenti a uinjiniya ndi IT ayenera kuonetsetsa kuti maukonde akugwirizana, kupereka bandwidth yokwanira—nthawi zambiri pafupifupi 80 mpaka 100 kbps pa kuyimba kulikonse kwa VoIP—ndi kutsimikizira kuti PBX ikugwirizana. Magulu ogwirira ntchito akuyimira ogwiritsa ntchito ndipo ayenera kutsimikizira kuti kapangidwe kake, monga ma keypad akuluakulu kapena ma switch a maginito, kamalola ogwira ntchito ovala zida zodzitetezera (PPE). Kugula zinthu kumagwira ntchito ngati wowongolera, kuonetsetsa kuti zosowa zaukadaulozi zikukwaniritsidwa mkati mwa malire a bajeti.

Kutsimikizira pang'onopang'ono ndi njira yosankha

Njira yotsimikizira mwadongosolo imachepetsa zoopsa zoyika zinthu. Gawo loyamba limaphatikizapo kuwunika kwathunthu malo kuti awonetse malire enieni a madera oopsa ndikuyesa kuchuluka kwa phokoso lozungulira, lomwe limalamulira zofunikira pa mawu.

Kenako, mainjiniya ayenera kuwunika zomangamanga zomwe zilipo kuti adziwe ngati malowa angathandize maukonde amakono a PoE kapena ngati mizere yakale yamkuwa yokhala ndi zotchinga zachitetezo iyenera kugwiritsidwa ntchito. Pomaliza, kuchita mayeso oyeserera ndi gulu laling'ono la mafoni m'dera loyimira ntchito kumathandiza magulu kuti atsimikizire kumveka bwino kwa mawu, kukhazikika kwa netiweki, komanso kulimba kwa makina asanapereke ntchito yonse ku malowa.

Zolakwika zogula zomwe anthu ambiri amachita komanso njira yomaliza yopangira zisankho

Cholakwika chomwe chimachitika nthawi zambiri pogula ndi kutchula zida mopitirira muyeso, monga kuyika foni yovomerezeka ya Zone 1 m'dera la Zone 2. Ngakhale kuonetsetsa kuti zinthu zili bwino, izi zitha kukweza ndalama za mayunitsi ndi 30% mpaka 50% komanso kusokoneza njira zosamalira chifukwa cha ma enclosures olemera komanso omangidwa ndi maboliti.

Mosiyana ndi zimenezi, kusatchula bwino chitetezo cha chilengedwe—monga kusankha IP54 rating pa malo oikirako zinthu panja—kumatsimikizira kuti zipangizo za foni sizigwira ntchito bwino chifukwa cha dzimbiri la mchere komanso chinyezi. Chifukwa chake, njira yomaliza yopangira chisankho iyenera kukhazikika pa kulinganiza bwino kwa chitsimikizo cha foni, kulimba kwa chilengedwe, komanso magwiridwe antchito a mawu ndi malo ake ang'onoang'ono omwe akufuna kuikirako. Mwa kutsatira njira yokhwimayi, ogwira ntchito m'mafakitale amapeza njira yolumikizirana yolimba yomwe imateteza ogwira ntchito ndikuwonetsetsa kuti ntchito ikuyang'aniridwa nthawi zonse.

Mfundo Zofunika Kwambiri

• Zomaliza zofunika kwambiri ndi zifukwa zomveka zogwiritsira ntchito mafoni a mafakitale
• Mafotokozedwe, kutsata malamulo, ndi macheke owopsa oyenera kutsimikiziridwa musanachite izi
• Njira zotsatila zogwira mtima komanso machenjezo omwe owerenga angagwiritse ntchito nthawi yomweyo

Mafunso Ofunsidwa Kawirikawiri

Kodi foni yamafakitale iyenera kukhala ndi satifiketi yanji pa madera oopsa?

Yambani ndi kugawa foni yanu patsamba lanu. Pa mapulojekiti ambiri apadziko lonse lapansi, yang'anani satifiketi ya ATEX kapena IECEx, kenako tsimikizirani mfundo yeniyeni ya Zone ndi chitetezo monga Ex d kapena Ex i pa nameplate.

Kodi IP66 ndi yokwanira kugwiritsa ntchito mafoni a m'mafakitale oopsa?

IP66 nthawi zambiri imakhala njira yotsika mtengo yotetezera fumbi ndi madzi. Ngati foni ikukumana ndi mvula yambiri, kupopera madzi m'nyanja, kapena kuyeretsa pafupipafupi, IP67 ikhoza kupereka mwayi wowonjezera wotseka.

Kodi ndiyenera kusankha VoIP kapena analogi ngati malo oopsa?

Sankhani SIP/VoIP ngati mukufuna kuphatikiza PBX, kuzindikira kutali, ndi kasamalidwe kapakati. Sankhani analogi pamene dongosolo lomwe lilipo likuchokera ku zinthu zakale kapena pamene kudalirika kosavuta kuchokera ku mfundo imodzi kupita ku ina ndiko chinthu chofunika kwambiri.

Ndi zinthu ziti zomvera zomwe zimafunika kwambiri m'malo okhala phokoso m'mafakitale?

Ikani patsogolo ma ring a voliyumu yayikulu, mafoni kapena maikolofoni oletsa phokoso, komanso mawu omveka bwino a duplex. Pa migodi, mafakitale oyeretsera, ndi malo onyamulira, onaninso momwe ma helper amagwirizanirana ndi ma gloves komanso mabatani omwe ali abwino kugwiritsa ntchito magolovesi.

N’chifukwa chiyani tikufuna mafoni a m’mafakitale oopsa ochokera ku Siniwo?

Siniwo imayang'ana kwambiri pa kulumikizana kwa mafakitale m'malo ovuta, imapereka mafoni omwe saphulika komanso osagwedezeka ndi nyengo, komanso imathandizira kapangidwe, kuphatikiza, kukhazikitsa, ndi kukonza ndi zinthu zopangidwa mkati ndi zovomerezeka.