Buku Loyerekeza la Foni Yotsimikizira Kuphulika kwa Mafoni vs Weatherproof

Chiyambi

Kusankha pakati pa foni yolimba ndi foni yolimba si nkhani yophweka; imatsimikizira ngati njira yolankhulirana ndi yotetezeka, yogwirizana, komanso yotsika mtengo m'dera linalake la mafakitale. Bukuli likufotokoza kusiyana kwakukulu pakuteteza malo oopsa, kukana chilengedwe, zofunikira pa satifiketi, ndi momwe amagwiritsidwira ntchito nthawi zambiri, kuti owerenga athe kufananiza mtundu wa foni ndi momwe malo enieni amagwirira ntchito m'malo moganizira. Likuwonetsanso kusiyana kothandiza pamitengo, kukonza, ndi chiopsezo chogwiritsa ntchito, kuthandiza mainjiniya, ofotokozera, ndi ogula kupewa kutchula molakwika madera oopsa komanso kulipira ndalama zambiri kuti atetezedwe mosayenera. Ndi nkhaniyi, kufananizako kungasunthire mwachindunji kuzinthu zaukadaulo ndi ntchito zomwe zimalekanitsa magulu awiriwa a zida.

Chifukwa Chake Kusankha Foni Yotsimikizira Kuphulika Ndi Yosatetezeka ndi Nyengo N'kofunika

Kusankha cholondolazida zolumikizirana zamafakitaleNdi chisankho chofunikira kwambiri chomwe chimakhudza mwachindunji chitetezo cha mafakitale, kutsatira malamulo, ndi ndalama zogulira. M'malo ovuta a mafakitale, mafoni wamba amawonongeka mwachangu, zomwe zimapangitsa kuti pakhale malo osalankhulana pakagwa ngozi. Kusankha pakati pa foni yosaphulika ndi foni yosagwedezeka ndi mphepo kumadalira kupezeka kwa mpweya woyaka, fumbi loyaka, kapena kuwonongeka kwakukulu kwa chilengedwe.

Kupanga mfundo zolakwika kumabweretsa zotsatirapo zoopsa. Kuyika foni yodziwika bwino yosapsa ndi mphepo pamalo oopsa kumabweretsa chiopsezo chachikulu cha kuyaka, zomwe zingaphwanye malamulo apadziko lonse lapansi achitetezo komanso mfundo za inshuwaransi ya malo osungiramo zinthu. Mosiyana ndi zimenezi, kuyika foni yopitirira muyeso yosapsa ndi mphepo pamalo osaopsa komanso onyowa kumabweretsa ndalama zosafunikira, zomwe nthawi zambiri zimawonjezera ndalama zomwe zimagwiritsidwa ntchito pa chipangizocho kuyambira pa $300–$800 pa chipangizo choteteza mphepo mpaka $1,500–$4,000+ pa chipangizo chovomerezeka chosapsa ndi mphepo.

Kugawa chitetezo, chiopsezo cha nthawi yopuma, ndi kuwonekera kwa malo

Choyambitsa chachikulu posankha foni yosaphulika ndi kugawa malo oopsa a malo ogwirira ntchito. Malo omwe amadziwika kuti Zone 1 kapena Zone 2 (pansi pa ATEX/IECEx) kapena Class I, Division 1 kapena 2 (pansi pa NEC/CEC) zida zomwe sizingayatse mlengalenga wozungulira. Kuyatsa kumeneku kungachitike kudzera mu kuyika kwamagetsi mu foni, ma short circuits mu keypad, kapena kusonkhanitsa kutentha pamwamba pa malo obisika.

Kupatula zoopsa zoyatsira moto, kukhudzana ndi mankhwala owononga, malo okhala ndi mchere, komanso kuwonongeka kwakukulu kwa makina kumatanthauza kulimba komwe kumafunika. Kuopsa kwa nthawi yogwira ntchito kumakhalanso ndi gawo lalikulu pa chisankhochi. M'mafakitale akuluakulu mongamafuta ndi gasi, nthawi yopuma yosakonzekera ikhoza kuwononga ndalama zoposa $100,000 mpaka $500,000 pa ola limodzi. Mapulani odalirika olumikizirana amafunika kuti agwirizane ndi kutsekedwa mwachangu kwadzidzidzi ndikuchepetsa kutayika kwachuma kumeneku, zomwe zimapangitsa kuti ndalama zoyambira za hardware zikhale zochepa poyerekeza ndi kupitiliza kugwira ntchito.

Mafoni omwe amagwiritsidwa ntchito nthawi zambiri polimbana ndi kuphulika komanso kuzizira

Mafoni osagwedezeka ndi nyengo amapangidwa makamaka m'malo omwe madzi amalowa, fumbi limachulukana, komanso kutentha kumasinthasintha, koma mpweya wophulika sulipo. Nthawi zambiri amagwiritsidwa ntchito ndi monga njira zadzidzidzi zapamsewu, zombo za m'madzi, malo osavulaza omwe amapangira mankhwala, nsanja za sitima, ndi pansi zolemera. Malo amenewa amafuna kulimba kwambiri komanso kuwoneka bwino koma safuna ukadaulo wovuta wa njira yamoto.

Mafoni osaphulika amaloledwa mwalamulo m'magawo omwe amasinthasintha. Ntchito zomwe zimagwiritsidwa ntchito nthawi zambiri zimaphatikizapo zida zobowolera m'mphepete mwa nyanja, malo oyeretsera mafuta, malo osungiramo zinthu za LNG, migodi ya malasha yapansi panthaka, ndi malo osungira tirigu komwe fumbi loyaka limakhala pachiwopsezo nthawi zonse. Pazifukwa izi, foni iyenera osati kungopulumuka nyengo yovuta komanso kukhala ndi vuto lililonse lamagetsi lamkati kuti ipewe ngozi yakunja.

Kusiyana Kwakukulu Pakati pa Mafoni Oteteza Kuphulika ndi Mafoni Oteteza Nyengo

Ngakhale magulu onse awiri a zipangizozi adapangidwa kuti athe kupirira nkhanza zazikulu zamafakitale, malingaliro awo aukadaulo ndi osiyana kwambiri. Foni yosagwedezeka ndi nyengo idapangidwa kuti isalowe m'malo akunja, pomwe foni yosagwedezeka ndi yopangidwa kuti isawononge mavuto amagetsi amkati.

Kuyesa malo oopsa, chitetezo cha kulowa, ndi kapangidwe ka malo obisika

Chitetezo cha kulowa kwa mafoni ndiye muyezo waukulu wa mafoni omwe sakhudzidwa ndi nyengo, nthawi zambiri amakhala ndi IP66 kapena IP67 (kapena NEMA 4X yofanana). Ma enclosures amenewa nthawi zambiri amapangidwa kuchokera ku Glass Reinforced Polyester (GRP) kapena aluminiyamu wamba, yokhala ndi makulidwe a khoma kuyambira 3mm mpaka 5mm. Amagwiritsa ntchito silicone kapena polyurethane gaskets zolemera kuti aletse ma jet amadzi othamanga kwambiri komanso fumbi laling'ono.

Malo obisalamo omwe saphulika amafunika njira zosiyanasiyana zomangira. M'malo mongotseka madzi, ayenera kupirira kupsinjika kwakukulu kwa mkati mwa mpweya popanda kuphulika. Malo obisalamowa amapangidwa ndi aluminiyamu yopanda mkuwa, chitsulo chosapanga dzimbiri cha 316L, kapena chitsulo chapadera, chokhala ndi makulidwe a makoma opitilira 10mm mpaka 15mm. Kuphatikiza apo, amaphatikiza njira zolondola zoyatsira moto. Ngati kuphulika kwamkati kukuchitika, mipata yaying'ono iyi (nthawi zambiri yopangidwa mpaka yocheperako kuposa 0.15mm) imalola mpweya womwe ukukulirakulira kuzizira pansi pa kutentha koyatsira kwa mpweya wakunja usanatuluke.

Matanthauzidwe, ziphaso, ndi kukana chilengedwe

Zikalata zovomerezeka zimalamula kuti zipangizozi zigwiritsidwe ntchito mwalamulo. Mafoni osagwedezeka ndi mphepo amayesedwa pogwiritsa ntchito miyezo yodziwika bwino ya chilengedwe, monga EN 60529 ya IP ratings kapena MIL-STD-810 ya kugunda ndi kugwedezeka. Mafoni osagwedezeka ndi kuphulika ayenera kuyesedwa mwamphamvu ndi anthu ena kuti akwaniritse izi.Zikalata za ATEX, IECEx, kapena UL/CSA, zomwe zimatsimikizira kuthekera kwawo kugwira ntchito mosamala m'magulu enaake a mpweya (monga IIA, IIB, IIC) ndi magulu a kutentha (monga T4, zomwe zimatsimikizira kuti pamwamba pa chipangizocho sichidutsa 135°C).

Momwe Mungayerekezere Mafoni Oteteza Kuphulika ndi Oteteza Nyengo

Kuyerekeza magulu awiriwa a mafoni a m'mafakitale kumafuna kuwunika kwathunthu zosowa zenizeni za malo ogwirira ntchito. Mainjiniya ayenera kulinganiza bwino malamulo okhwima motsutsana ndi zoletsa za bajeti, kuthekera kokonza, komanso zenizeni za malo oikira mafoni.

Zofunikira zoyerekeza zazikulu kuti ntchitoyo igwirizane

Chofunika kwambiri poyerekeza ndi mapu a malo oopsa a malowa. Ngati malo oikirapo ali mkati mwa malire a Zone 1 kapena Zone 2, foni yosaphulika ndi chinthu chofunikira chomwe sichingakambirane. Pa malo otetezeka (malo osasankhidwa), foni yosagwedezeka ndi nyengo ndiyo chisankho choyenera.

Zofunikira zina zimaphatikizapo magwiridwe antchito a mawu ndi mawonekedwe. Mitundu yonse ya mafoni nthawi zambiri imakhala ndi maikolofoni oletsa phokoso omwe adapangidwa kuti asefe phokoso lakumbuyo lopitirira 85 dB(A), ndipo ambiri ali ndi ma ringers olemera kapena ma beacon akunja omwe amatha kutulutsa 100 dB(A) mpaka 110 dB(A) pa mita imodzi. Komabe, zofunikira zenizeni za mawu zidzasankha ngati mitundu ya mafoni wamba kapena zida zapadera zogwirizana ndi mahedifoni ndizofunikira.

Mtengo wa moyo, satifiketi, ndi zinthu zosamalira

Mtengo wa moyo wa foni umasiyana kwambiri pakati pa matekinoloje awiriwa. CAPEX yoyamba ya foni yosaphulika nthawi zambiri imakhala yokwera ndi 300% mpaka 500% kuposa chitsanzo chofananacho chosaphulika. OPEX iyeneranso kuganiziridwa; zida zosaphulika zimafuna njira zapadera zokonzera zinthu. Akatswiri ayenera kutsatira mosamala njira zoopsa, monga kutsimikizira kuti njira ya moto ndi yotetezeka komanso kuonetsetsa kuti zotchinga zatsekedwa bwino.

Mafoni osagwedezeka ndi nyengo amapereka mtengo wotsika wa umwini (TCO) chifukwa chosavuta kukhazikitsa ndi kukonza. Kukonza nthawi zonse nthawi zambiri kumaphatikizapo kuyang'ana ndi maso zisindikizo zamkati ndi kuyesa magwiridwe antchito a kiyibodi ndi chingwe cha m'manja, popanda kufunikira zilolezo zapadera zogwirira ntchito pamalo oopsa kapena zida zapadera zodziwira matenda.

Kusinthana kwa magwiridwe antchito m'mikhalidwe yeniyeni yogwirira ntchito

Mikhalidwe yeniyeni yogwirira ntchito imabweretsa kusiyana kwa magwiridwe antchito. Kulemera ndi chinthu chachikulu: foni yolimba yomwe singaphulike imatha kulemera pakati pa 15 kg ndi 25 kg, zomwe zimafuna malo olimba oikira ndi njira zapadera zonyamulira panthawi yoyikira. Mosiyana ndi zimenezi, foni yolimba ya GRP nthawi zambiri imalemera pakati pa 3 kg ndi 6 kg, zomwe zimapangitsa kuti katswiri m'modzi ayike mwachangu.

Ergonomics ingakhudzidwenso ndi kuchuluka kwa kulimba. Mafoni omwe ali pa mafoni omwe saphulika nthawi zambiri amakhala olemera ndipo amakhala ndi zingwe zotetezedwa zomwe zimakoka mphamvu yoposa 200 kg kuti zisawonongeke. Ngakhale izi zimatsimikizira kuti zitha kupulumuka m'mikhalidwe yovuta kwambiri, zingayambitse kutopa kwa ogwiritsa ntchito panthawi yofunsa mafunso nthawi yayitali poyerekeza ndi mafoni opepuka pang'ono omwe amagwiritsidwa ntchito pa mafoni wamba omwe sagwedezeka ndi nyengo.

Kutsatira Malamulo, Kukhazikitsa, ndi Kuwunika kwa Ogulitsa

Kugula ndi kukhazikitsa zida zolumikizirana zamafakitale kuli ndi malamulo ambiri. Kugwiritsa ntchito zida zosatsatira malamulo kapena kugwiritsa ntchito njira zosayenera zoyikira kungapangitse nthawi yomweyo kuti satifiketi yachitetezo ndi inshuwaransi ya malo osungiramo zinthu a madola mamiliyoni ambiri zisakhalepo.

Miyezo yoyenera ndi zofunikira zovomerezeka

Kutsatira malamulo kumayendetsedwa ndi malamulo okhwima apadziko lonse lapansi. Pa mafoni osaphulika, mndandanda wa miyezo ya IEC 60079 umatanthauzira magawo oyesera ndi satifiketi padziko lonse lapansi, ndi kusiyana kwa madera monga ATEX Directive (2014/34/EU) ku Europe ndi National Electrical Code (NEC) Articles 500-505 ku United States. Zipangizo ziyenera kukhala ndi zizindikiro zoyenera (monga, Ex db eb IIC T4 Gb) zomwe zikugwirizana ndi zoopsa zenizeni za mpweya ndi fumbi pamalopo.

Mafoni osagwedezeka ndi nyengo, ngakhale kuti satsatira malamulo okhudza mlengalenga wophulika, ayenerabe kutsatira miyezo yokhwima ya chitetezo chamagetsi ndi kulumikizana. Ayenera kukwaniritsa EN 60529 pa IP rating yawo ndipo nthawi zambiri amafunikaKuvomerezedwa ndi FCC, CE, kapena ICASAza zida zawo zamagetsi zamkati, kuonetsetsa kuti magetsi akugwirizana (EMC) m'malo okhala ndi makina olemera.

Njira zokhazikitsira zomwe zimachepetsa chiopsezo chogwira ntchito

Machitidwe okhazikitsa amakhudza mwachindunji chiopsezo chogwira ntchito ndi moyo wautali wa zipangizozi. Mafoni osaphulika amafunika njira zapadera zolowera pa chingwe. Okhazikitsa ayenera kugwiritsa ntchito ma gridi ovomerezeka otetezedwa odzazidwa ndi chotseka kuti mpweya wophulika usasunthire pakati pa chingwe. Mabotolo otchingira ayenera kumangidwa molingana ndi zomwe wopanga akufuna—nthawi zambiri pakati pa 15 Nm ndi 25 Nm—kuti asunge mpata wolondola wa njira ya moto.

Pa mafoni omwe sakhudzidwa ndi nyengo, kuyika kumayang'ana kwambiri pakusunga IP. Ma waya olowera ayenera kukhala ndi ma glands okhwima a nayiloni kapena amkuwa a IP68. Chinthu chofala chomwe chimalephera kukula ndi kukula kosayenera kwa ma gland kapena kulephera kugwiritsa ntchito ma drip loops mu chingwe, zomwe zimathandiza madzi kutsatira chingwe ndikudutsa zotsekera pakapita nthawi.

Momwe mungayesere opanga ndi ogulitsa

Kuwunika ogulitsa mafoni a m'mafakitale kumafuna kuyang'anitsitsa machitidwe awo oyang'anira khalidwe ndi kudalirika kwa unyolo woperekera. Pazida zomwe sizimaphulika, wopanga ayenera kukhala ndi Chidziwitso cha ATEX Quality Assurance Notification (QAN) kapena IECEx Quality Assessment Report (QAR), kutsimikizira kuti njira yawo yopangira imasungabe kulekerera komwe kumayesedwa panthawi ya satifiketi.

Magulu ogula ayeneranso kuwunika deta ya Mean Time Between Failures (MTBF) ya ogulitsa. Opanga apamwamba adzapereka ziwerengero zotsimikizika za MTBF zopitilira maola 50,000 zamagetsi zomwe sizimawopsezedwa ndi nyengo komanso kuphulika, ndikuwonetsetsa kuti zimagwira ntchito bwino kwa nthawi yayitali m'malo osayang'aniridwa.

Momwe Mungasankhire Foni Yoyenera Tsamba Lanu

Kusankha foni yoyenera ya mafakitale kumafuna kutseka kusiyana pakati pa zofunikira kwambiri za uinjiniya ndi zenizeni zogulira. Njira yokhazikika imatsimikizira kuti chitetezo chimayikidwa patsogolo popanda kuwononga ndalama zosafunikira kapena kuchedwa kuyika.

Njira yosankha foni yoyenera

Njira yosankha imayamba ndi kuwunikanso malo oopsa. Ngati malo oyikapo alembedwa ngati Zone 1, Zone 2, kapena Class I Div 1/2, njirayo imapita ku foni yosaphulika. Akayikidwa m'gulu, mainjiniya ayenera kufananiza gulu la gasi la chipangizocho (monga IIC ya hydrogen) ndi T-Class (monga T4 ya kutentha mpaka 135°C) ndi zoopsa za mankhwala zomwe zili pamalopo.

Ngati dera silinasankhidwe, njirayo imapita ku foni yosagwedezeka ndi nyengo. Zotsatira zake zimadalira kwambiri zachilengedwe. Dziwani kuchuluka kwa kutentha komwe kumafunika; mafoni wamba amafekitori amagwira ntchito ndi -20°C mpaka +60°C, koma malo ovuta kwambiri angafunike zigawo zomwe zili ndi chiwerengero cha -40°C mpaka +75°C. Pomaliza, sankhani njira yolumikizirana, posankha pakati pa analog yokhazikika, SIP/VoIP yamakono.Kuphatikiza kwa IP PBX, kapena machitidwe apadera otetezeka mwachibadwa.

Mndandanda womaliza wa uinjiniya ndi kugula zinthu

Musanapereke oda yogulira, malizitsani zofunikirazo pogwiritsa ntchito mndandanda wathunthu wa uinjiniya. Onetsetsani kuti zinthu zomwe mwasankhazo zikukana zinthu zomwe zingawononge zomwe zili pamalopo (monga chitsulo chosapanga dzimbiri cha 316L m'malo mwa aluminiyamu m'malo okhala ndi mchere wa m'nyanja). Tsimikizani kuti IP rating ndi IP66 yocheperako pamakina akunja, opanda chitetezo.

Onetsetsani kuti mphamvu ya mawu ya choyimbira cholumikizidwa kapena beacon yakunja yapitirira mlingo wa phokoso lozungulira ndi osachepera 10 dB(A) mpaka 15 dB(A). Pomaliza, tsimikizirani kuti wogulitsayo apereka zikalata zonse, kuphatikizapo satifiketi ya malo oopsa, mabuku okhazikitsa, ndi mawu a chitsimikizo, ndikuwonetsetsa kuti malowo akutsatira malamulo onse komanso akugwira ntchito kwa zaka 10 mpaka 15 zomwe zikuyembekezeka kukhalapo pa nthawi ya hardware.

Mfundo Zofunika Kwambiri

• Zomaliza zofunika kwambiri ndi zifukwa zomveka zogwiritsira ntchito telefoni yotsimikizira kuphulika
• 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 ndi liti pamene ndiyenera kusankha foni yosaphulika m'malo mwa foni yosagwedezeka ndi mphepo?

Sankhani mitundu yosaphulika ya malo a Zone 1/2 kapena Class I Div 1/2 okhala ndi mpweya woyaka kapena fumbi loyaka. Gwiritsani ntchito mafoni osapsa ndi nyengo pokhapokha pamalo onyowa, fumbi, kapena akunja.

Kodi mafoni osapsa ndi nyengo ndi otetezeka kuyika m'malo oopsa a mafuta ndi gasi?

Ayi. Foni yosapsa ndi mphepo imateteza madzi ndi fumbi, koma sinapangidwe kuti ikhale ndi zinthu zoyatsira moto. Malo oopsa amafunika mafoni ovomerezeka kuti asapsa ndi kuphulika.

Ndi ziphaso ziti zomwe ndiyenera kuyang'ana ndisanagule foni yotetezeka kuphulika?

Tsimikizirani kuvomerezedwa kofunikira kwa malo oopsa, monga ATEX kapena IECEx, kuphatikiza gulu lofanana la gasi ndi kalasi ya kutentha. Kuti mupeze khalidwe labwino, Siniwo imaperekanso zinthu zogwirizana ndi miyezo ya CE, FCC, ROHS, ndi ISO9001.

N’chifukwa chiyani mafoni osaphulika ndi okwera mtengo kuposa mafoni osagwedezeka ndi mphepo?

Amagwiritsa ntchito zitsulo zokhuthala, njira zolondola zamoto, ndi mapangidwe ovomerezeka kuti ateteze zolakwika zamkati. Uinjiniya ndi mayeso owonjezerawo amapangitsa kuti ndalama ziwonjezeke koma ndikofunikira kuti malamulo azitsatiridwa komanso kuti zomera zitetezeke.

Kodi Siniwo ingathandize kufananiza foni yamakampani yoyenera ndi momwe tsamba langa lilili?

Inde. Siniwo imapereka chithandizo chimodzi kuyambira pakupanga ndi kuphatikiza mpaka kukhazikitsa ndi kukonza, kuthandiza makasitomala kusankha njira zolumikizirana zomwe sizingaphulike kapena sizingagwere nyengo m'malo ovuta komanso oopsa.