Mafoni Oteteza Kuphulika ndi Mafoni Osalowa Madzi: Kusiyana N'chiyani?

Chiyambi

Kusankha pakati pa foni yamafakitale yosalowa madzi ndi foni yosaphulika sikutanthauza kulimba kokha; koma kumatanthauza kufananiza chipangizocho ndi ngozi yeniyeni yomwe ilipo. Ngakhale kuti zonsezi zimapangidwa kuti zigwirizane ndi malo ovuta, chipangizo chosalowa madzi chimapangidwa kuti chisagwere madzi, fumbi, ndi kuwonongeka kwa thupi, pomwe foni yosaphulika imapangidwa kuti isayake m'mlengalenga woopsa. Kusiyana kumeneku kumakhudza chitetezo cha ogwira ntchito, kutsatira malamulo, komanso chiopsezo cha nthawi yotsika mtengo yogwira ntchito. Nkhani yomwe ili pansipa ikufotokoza momwe mafoni awa amasiyanirana pakupanga, kutsimikizira, ndi kugwiritsidwa ntchito komwe kukufunika kuti muzindikire mtundu womwe ukugwirizana ndi mikhalidwe inayake yamafakitale.

Chifukwa Chake Mafoni Osaphulika Poyerekeza ndi Mafoni Osalowa Madzi Amafakitale Ndi Ofunika

Ma network olumikizirana ndi mafakitale amadalira zida zapadera kuti azitha kulumikizana m'malo ovuta. Oyang'anira mafakitale ndi mainjiniya ogula zinthu nthawi zambiri amayesa zida zolimba kuti apatse antchito awo zida, koma amaphatikizafoni yamafakitale yosalowa madziNdi chipangizo choteteza kuphulika, chikadali chinthu chofunikira kwambiri pamakampani. Ngakhale magulu onse awiriwa ali ndi nyumba zolimba komanso zolimbana ndi nkhanza zoopsa, ntchito zawo zazikulu zaukadaulo zimathetsa mavuto osiyanasiyana azachilengedwe.

Zoopsa za chitetezo ndi kugawa malo

Kutumiza mauthenga pafoni m'malo oopsa kumafuna kutsatira kwambiri magulu a malo, omwe nthawi zambiri amalamulidwa ndiATEX ku Europekapena National Electrical Code (NEC) ku North America. Malo ogwirira ntchito amagawidwa m'magawo kapena magawano kutengera kuthekera kwa mlengalenga wophulika. Mwachitsanzo, ATEX Zone 0 ikuyimira malo omwe kusakaniza kwa mpweya, nthunzi, kapena utsi wophulika kumakhalapo nthawi zonse. Mphamvu yocheperako yoyatsira moto (MIE) ya mpweya wamba wamafakitale monga hydrogen ndi yotsika ngati 0.017 millijoule. Foni yokhazikika yamakampani yosalowa madzi, yopanda chitetezo chamkati, imatha kupanga mosavuta micro-spark yamkati yopitilira malire awa panthawi yoyimba foni kapena kuyatsa pazenera, zomwe zimapangitsa kuti kuyatsa kukhale koopsa.

Nthawi yopuma komanso zotsatira zake pa ntchito

Kupatula zoopsa zachitetezo zomwe zingachitike nthawi yomweyo, kugwiritsa ntchito zida zolumikizirana zosakwanira kumakhudza mwachindunji kupitiliza kwa ntchito. M'magawo monga kuyeretsa mafuta kapena kuboola m'mphepete mwa nyanja, nthawi yopuma yosakonzekera imakhala ndi zilango zazikulu zachuma, nthawi zambiri zopitilira $300,000 patsiku. Ngati chipangizocho chalephera chifukwa cha dzimbiri lamkati chifukwa cha mankhwala kapena kuyambitsa kuzimitsidwa kwachitetezo komwe kumachitika chifukwa cha kulephera kwa kafukufuku wotsatira malamulo, kuyimitsidwa kumeneku kwa kupanga kumawononga ndalama zoyambira za chipangizocho. Kugwiritsa ntchito chipangizocho chovomerezeka bwino kumawonetsetsa kuti njira zofunika zolumikizirana zimakhalabe zotseguka panthawi yamavuto popanda kuyambitsa zoopsa zina zoyatsira moto.

Zolakwika zodziwika bwino

Cholakwika chachikulu chimachitika pamene magulu ogula akuganiza kuti chiwongola dzanja chapamwamba cha Ingress Protection (IP) chimatsimikizira chitetezo m'mlengalenga wosasunthika. Foni yamafakitale yosalowa madzi ya IP68 imapangidwa kuti iteteze madzi ndi fumbi kulowa, nthawi zambiri imatsimikiziridwa kuti ipulumuka kumizidwa m'madzi okwana mamita 1.5 kwa mphindi 30. Komabe, mpanda wotsekedwa bwino suletsa mavuto amagetsi amkati, kutentha kwa batri, kapena kutentha kwa pamwamba. Kuyika chipangizo chodziwika bwino cha IP68 mu malo a Class I, Division 1 kumaphwanya malamulo a OSHA ndipo kumachotsa mfundo za inshuwaransi ya malo, chifukwa chipangizocho sichinapangidwe kuti chichepetse kutentha kwake kapena kuletsa kuphulika kwamkati.

Mafoni Osaphulika Poyerekeza ndi Mafoni Osalowa Madzi: Kusiyana Kofunika

Kusiyanitsa pakati pa mafoni a mafakitale omwe saphulika ndi osalowa madzi kumafuna kuwunika mfundo zazikulu za kapangidwe kake. Limodzi limayang'ana kwambiri pakuwongolera mphamvu zamagetsi ndi kutentha, pomwe lina limayang'ana kwambiri kusunga chotchinga chachilengedwe chosagonjetseka ku zinthu zachilengedwe.

Momwe mafoni osaphulika amapewera kuyaka

Zipangizo zopangidwira madera oopsa zimagwiritsa ntchito njira za Intrinsic Safety (IS) kapena Explosion-Proof (Ex). Chitetezo cha mkati ndi njira yodziwika kwambiri ya zamagetsi zam'manja, yopangidwa kuti isunge mphamvu zamagetsi ndi kutentha zomwe zilipo pansi pa malire oyatsira a gasi kapena fumbi linalake. Mabwalo ozungulira amapangidwa ndi zoletsa zamagetsi, zotsutsana zapadera, ndi zokutira za conformal. Ngakhale pakakhala circuit yochepa, foni yotetezeka mwachibadwa sidzatulutsa cheza choposa 0.2 millijoules kapena kufika kutentha kwa pamwamba komwe kungayatse nthunzi yozungulira. Zipangizozi zimayendetsedwa mosamala ndi magulu a kutentha; mwachitsanzo, gulu la T4 limatsimikizira kuti pamwamba pa chipangizocho sipadzapitirira 135°C pansi pa katundu uliwonse wogwirira ntchito.

Momwe mafoni osalowa madzi amagwiritsira ntchito ma IP ratings

Mosiyana ndi zimenezi, foni ya mafakitale yosalowa madzi imadalira muyezo wa IEC 60529 kuti ifotokoze mlingo wake wa Ingress Protection (IP). Kapangidwe kake kamagwiritsa ntchito zotchinga zakuthupi: ma gasket a rabara opangidwa ndi vulcanized, ma meshes acoustic a hydrophobic pamwamba pa maikolofoni, ndi zinthu zophikira zomwe zimaphimba zinthu zobisika. Muyezo wamba wa mafakitale ndi IP67, womwe umaletsa fumbi kulowa ndipo umateteza kuti lisalowe mpaka mita imodzi kwa mphindi 30. Ma rating apamwamba kwambiri a IP69K akuwonetsa kukana kusamba ndi madzi otentha kwambiri (madzi a 80°C pa 100 bar pressure), zomwe zimapangitsa kuti zikhale zoyenera kukonza chakudya komanso kupanga zinthu zambiri, koma sizikugwirizana ndi kupewa kuyaka kwa mpweya.

Kuyerekeza kwa chitetezo

Kuti timvetse bwino malire ogwirira ntchito a zipangizozi, tebulo lotsatirali likufotokoza njira zosiyanasiyana zodzitetezera.

Mafotokozedwe Aukadaulo ndi Miyezo Yotsatira Malamulo

Kutsimikizira luso lazipangizo zolumikizirana zamafakitalekumafuna kumvetsetsa bwino malamulo apadziko lonse lapansi okhudzana ndi kutsata malamulo ndi zofunikira za zida zomwe zimalamulira mitengo ya chipangizocho, kukonza, komanso moyo wautali.

Zitsimikizo ndi mayeso ofunikira

Kutsatira malamulo okhudza malo oopsa sikungathe kukambidwanso ndipo kutsatiridwa mwamphamvu ndi mabungwe apadziko lonse lapansi. Ku Europe, zipangizo ziyenera kutsatira ATEX Directive 2014/34/EU, pomwe ntchito zapadziko lonse nthawi zambiri zimadalira dongosolo la IECEx. Ziphaso izi zimafuna kuyesedwa kolimba kwa anthu ena ndi Notified Bodies kuti zitsimikizire kuti chipangizochi sichingayatse magulu enaake a gasi (monga Gulu la IIC la hydrogen ndi acetylene). Mosiyana ndi zimenezi, foni yodziwika bwino ya mafakitale yosalowa madzi imangofunika kuyesedwa kwa IP certification, komwe nthawi zambiri kumachitika ndi ma laboratories odziyimira pawokha ovomerezeka a ISO/IEC 17025 kuti atsimikizire kukana kwa kuthamanga kwa madzi, popanda lamulo lililonse loletsa kupopera kwa mphamvu zamagetsi kapena malire a kutentha.

Batire, zipangizo, ndi kapangidwe ka zipangizo

Mabatire ndi zipangizo zomangira nyumba zimayimira kusiyana kwakukulu pakati pa magulu awiriwa. Mafoni osaphulika nthawi zambiri amagwiritsa ntchito mabatire a lithiamu-ion osinthidwa mwapadera okhala ndi ma circuits otetezedwa kuti ateteze kutentha, nthawi zambiri amachepetsa mphamvu kufika pa 3,000 mpaka 4,000 mAh kuti achepetse kutulutsa mphamvu. Mabokosi akunja amagwiritsa ntchito zinthu zotsutsana ndi static kuti aletse kusungunuka kwa ma electrostatic. Foni yamafakitale yosalowa madzi, yopanda malire a mphamvu zachitetezo, nthawi zambiri imakhala ndi mabatire akuluakulu opitilira 8,000 mAh kuti agwire ntchito nthawi zambiri. Mabokosi awo amaika patsogolo kuyamwa kwa mphamvu pogwiritsa ntchito mabampala olimba a Thermoplastic Polyurethane (TPU) ndi zowonetsera magalasi zolimba, zomwe zimayang'ana kwambiri kupulumuka kwa madontho kuchokera kutalika kwa mamita 1.5 mpaka 2 m'malo mwa mphamvu zotsutsana ndi static.

Zoganizira za mtengo ndi nthawi ya moyo

Kusiyana kumeneku kwaukadaulo kumapangitsa kuti ndalama zogulira zichepe kwambiri. Foni yamakampani yosalowa madzi nthawi zambiri imakhala pakati pa $300 ndi $800, kutengera liwiro la purosesa, makamera owonera, ndi ziphaso za MIL-STD-810H zolimba. Mosiyana kwambiri, foni yam'manja yotetezeka yomwe ili ndi chiphaso cha ATEX Zone 1/21 imakhala ndi mtengo wapamwamba kwambiri, ndipo mtengo wake ndi kuyambira $1,200 mpaka kupitirira $3,500. Ngakhale chipangizocho chosalowa madzi chingakhale ndi moyo waufupi wa zaka 2 mpaka 3 chifukwa cha kutha kwa mapulogalamu mwachangu m'mafakitale ambiri, zida zosaphulika nthawi zambiri zimasungidwa kwa zaka 4 mpaka 6, mothandizidwa ndi ogulitsa apadera omwe amapereka kukhazikika kwa firmware kwa nthawi yayitali komanso njira zokonzanso zotsimikizika.

Momwe Mungasankhire Foni Yabwino Yamakampani

Kusankha zida zoyenera zolumikizirana kumafuna njira yolongosoka, kugwirizanitsa zofunikira za chipangizocho ndi zenizeni zenizeni za malo ogwirira ntchito kuti ziwongolere chitetezo cha ogwira ntchito komanso ndalama zomwe zimagwiritsidwa ntchito.

Njira zosankhira zinthu mogwirizana ndi chilengedwe

Njira yosankha iyenera kuyamba ndi kuwunika kwathunthu malo ndi kuwunika zoopsa. Akatswiri achitetezo ayenera kujambula malo kuti adziwe madera onse oopsa ndikulemba magulu enieni a gasi, nthunzi, kapena fumbi omwe alipo, pamodzi ndi kutentha kwawo komwe kumayatsa okha. Ngati njira ya wantchito ikumana ndi dera la ATEX Zone 1 kapena Zone 2, chipangizo chotetezeka mwachilengedwe ndi chofunikira, mosasamala kanthu kuti chikuwonekera kwa nthawi yayitali bwanji. Pamalo omwe ali ndi kuwonekera kwa chilengedwe - monga malo oyendera zinthu zakunja, madoko apanyanja, kapena opanga zinthu zolemera - kuwunika kuchuluka kwa IP kofunikira ndi kukana kwa dontho ndikofunikira kwambiri.

Pamene chitetezo chosalowa madzi chili chokwanira

Kusankha zida mopitirira muyeso pogula zida zotha kuphulika m'malo omwe si oopsa kumabweretsa ndalama zosagwiritsidwa ntchito komanso kuchepa kwa magwiridwe antchito a zida. Foni yamafakitale yolimba yosalowa madzi ndiyo chisankho chabwino kwambiri m'magawo monga ulimi, zomangamanga, kayendetsedwe ka magalimoto amalonda, ndi kukonza chakudya. M'malo awa, kuchuluka kwa mpweya woyaka kumakhalabe pansi pa 1% Lower Explosive Limit (LEL). Matrix yotsatirayi imathandiza kudziwa ndalama zoyenera zogulira zida kutengera momwe zimagwirira ntchito.

Momwe mungatsimikizire zikalata za ogulitsa

Gulu la chipangizo likasankhidwa, kutsimikizira mwamphamvu zikalata za ogulitsa ndikofunikira kwambiri kuti zitsimikizire kuti zikutsatira malamulo ndikupewa mlandu. Pazida zomwe sizimaphulika, ogula ayenera kupempha Chidziwitso Chovomerezeka (DoC) ndikutsimikizira nambala ya Notified Body yomwe yasindikizidwa pa chipangizocho motsutsana ndi ma database apadziko lonse lapansi monga kaundula wa certification wa zida za IECEx. Pa foni yamafakitale yosalowa madzi, magulu ogula ayenera kuyang'anitsitsa malipoti oyesa IP kuti atsimikizire magawo enieni a zomwe IP68 ikunena—makamaka kuzama ndi nthawi yomwe madzi amamira, chifukwa muyezo wa IP68 umalola opanga kupanga njira zawo zoyesera malinga ngati apitirira mita imodzi kwa mphindi 30. Kuonetsetsa kuti wogulitsa akupereka mfundo zomveka bwino za Minimum Order Quantity (MOQ) ndi chitsimikizo chotsimikizika cha zaka zambiri kudzateteza ndalama zamakampani.

Mfundo Zofunika Kwambiri

• Zomaliza zofunika kwambiri komanso chifukwa chake mafoni a mafakitale osalowa madzi
• 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 ya mafakitale yosalowa madzi ndi yotetezeka m'malo oopsa a gasi?

Ayi. Ma IP ratings amangoletsa madzi ndi fumbi. Malo oopsa amafunika satifiketi yotetezeka monga zitsanzo za ATEX kapena NEC.

Kodi IP68 imatanthauza chiyani pafoni yamakampani?

IP68 imatanthauza kutseka fumbi mwamphamvu komanso kukana madzi, nthawi zambiri kumaphatikizapo kumizidwa kwakanthawi. Sizitsimikizira foni kuti ili ndi mpweya wophulika.

Kodi ndi liti pamene ndiyenera kusankha foni yosaphulika m'malo mwa yosalowa madzi?

Sankhani mafoni osaphulika m'malo omwe mafuta, gasi, migodi, mankhwala, kapena fumbi zimawopsezedwa. Sankhani mafoni osalowa madzi ngati mvula, madzi, nyengo ya m'mphepete mwa nyanja, kapena madera a mafakitale onyowa popanda chiopsezo cha kuyaka.

Kodi foni imodzi ingakhale yosaphulika komanso yosalowa madzi?

Inde. Mafakitale ena amaphatikiza satifiketi ya malo oopsa ndi chitetezo chapamwamba cha IP. Nthawi zonse tsimikizirani satifiketi ya Ex ndi IP rating yomwe ili pa datasheet yazinthu.

Kodi Siniwo angathandize bwanji kusankha foni yoyenera yamakampani?

Siniwo imatha kufananiza momwe malo alili, ziphaso zofunikira, ndi zosowa zoyikira, kenako kupereka chithandizo cha kapangidwe, kuphatikiza, ndi kukonza malo ovuta kapena oopsa.