Into ebalulekileyo ekufuneka uyithathe:Ifowuni engaqhumiyo sisixhobo sonxibelelwano esiqinileyo kwiindawo ezinobungozi apho iigesi ezivuthayo, umphunga, okanye uthuli zibangela iingozi zokutsha. Ezi yunithi ziqulathe izinto zokutsha zangaphakathi ngaphakathi kwiindawo ezibiyelweyo ezenziwe ngokukodwa, ezithintela iintlantsi okanye ubushushu ekubangeleni iingozi zangaphandle zomoya. Eli nqaku lichaza ulwahlulo lweendawo ezinobungozi, imigaqo yokusebenza, izinto eziphambili, iikhrayitheriya zokukhetha, kunye nemeko yomthetho ka-2026.
Yintoni iFowuni Engaqhumiyo kwaye Kutheni Ifuneka?
Ifowuni engaqhumiyo sisixhobo sonxibelelwano esikhethekileyo semizi-mveliso esenzelwe iindawo ezinobungozi ngenxa yezinto ezinokutsha. Ngokungafaniyo neefowuni eziqhelekileyo, ezi yunithi ziqulathe naluphi na uhlobo lokutsha kwangaphakathi, okuthintela ukuba kungatshisi umoya ongqongileyo.
Imakethi yehlabathi yezixhobo zonxibelelwano lwemizi-mveliso kwiindawo ezinobungozi ixabiswe malungaI-USD 3.2 yezigidigidi ngo-2024, kunye neefowuni ezingaqhumiyo ezimele isabelo esibalulekileyo nesikhulayo njengoko imithetho yokhuseleko iqiniswa kwihlabathi liphela (Grand View Research, 2024).
Ezi zixhobo zibalulekile kwiindawo zokucoca ipetroli, kwiindawo zokucubungula iikhemikhali, kwimveliso yamayeza, kwiindawo zokunyusa iinkozo, kwimisebenzi yemigodi, nakwizibonelelo zonyango lwamanzi amdaka. Zisebenza njengekhonkco lonxibelelwano olungxamisekileyo apho iindlela zokufuduka zinokunqongophala kwaye ukulungelelaniswa okukhawulezileyo kubalulekile.
Iimpawu eziphambili:
- Iingcango ezimelana nokuqhuma kwangaphakathi ngaphandle kokuqhekeka
- Iindlela zelangatye ezithintela amalangabi ezipholisa kwaye zicime iintlantsi ngaphambi kokuba ziphume
- Imida yobushushu bomphezulu ukuthintela ukutsha kwegesi
- Izindlu ezikwaziyo ukumelana nokugqwala kunye neempembelelo
- Ukuthobela imigangatho yeendawo ezinobungozi zamazwe ngamazwe
Iindawo Eziyingozi Zihlelwa Njani Ukuze Zibe Nezixhobo Ezingaqhumiyo?
Kusetyenziswa iinkqubo ezimbini eziphambili zokwahlulahlula kwihlabathi liphela. Ukuziqonda kubalulekile ekukhetheni izixhobo ngokuchanekileyo.
Inkqubo yaseMntla Melika (Inqaku le-NEC 500 / CEC)
Iindawo ezinobungozi zihlulwe ngohlobo lwezinto ezinokutsha kunye namathuba okuba kubekho ingozi:
Ngokweklasi yezinto:
- Iklasi yoku-1— Iigesi ezivuthayo, umphunga, okanye ulwelo (i-methane, i-propane, i-hydrogen)
- Iklasi yesiBini— Uthuli oluvuthayo (uthuli lweenkozo, umgubo wesinyithi, uthuli lwamalahle)
- Iklasi yesi-3— Iintambo ezivuthayo okanye ezibhabhayo
Ngokwethuba:
- Icandelo 1— Ingozi ikhona phantsi kwemisebenzi eqhelekileyo okanye rhoqo ngenxa yokuvuza/ukulungiswa
- Icandelo lesi-2— Ingozi ibakho kuphela phantsi kweemeko ezingaqhelekanga (ukungasebenzi kakuhle kwesikhongozeli)
Inkqubo yeNdawo ye-IEC / ATEX (iYurophu kunye neHlabathi)
Inkqubo ye-IEC isebenzisa iindawo zamanani ngokusekelwe kwinani lobukho bemozulu enobungozi:
| Indawo | Inkcazo | Isiqinisekiso Esiqhelekileyo |
|---|---|---|
| Indawo 0 | Umoya oqhumayo uhlala ukho (ngaphezulu kweeyure eziyi-1,000 ngonyaka) | I-Ex ia (ikhuselekile ngaphakathi) kuphela |
| Indawo 1 | Kusenokwenzeka ukuba isebenze ngendlela eqhelekileyo (iiyure ezili-10–1,000 ngonyaka) | Ex d, Ex e, Ex p |
| Indawo yesi-2 | Akunakwenzeka, imfutshane ukuba iyenzeka (| I-Ex n, i-Ex d, i-Ex e | |
Iindidi eziqhelekileyo zesatifikethi:
- I-Ex d (Ingatshisi)— Indlu ebiyelweyo iyakwazi ukumelana nokuqhuma kwangaphakathi kwaye iqulethe ukuqhuma kwangaphakathi.I-IEC 60079-1
- I-Ex e (Ukhuseleko oluKhulisiweyo)— Ithintela ii-arcs, iintlantsi, okanye amaqondo obushushu agqithisileyo.I-IEC 60079-7
- I-Ex ia (Ikhuselekile Ngokwemvelo)— Amandla esekethe ahlala enganele ukuba avuthe.I-IEC 60079-11
- I-Ex n (Ayitshisi)— Akukho zi-arcs, iintlantsi, okanye iindawo ezishushu ekusebenzeni okuqhelekileyo.I-IEC 60079-15
Isalathiso:I-OSHA kunye ne-NFPA zibonelela ngesikhokelo esinegunya.Iindawo ezinobungozi ze-OSHA | Inqaku 500 le-NFPA 70.
Zithini Imigaqo Yokusebenza Yefowuni Engaqhumiyo?
Iifowuni ezikwaziyo ukumelana nokuqhuma zisebenzisa iingcamango ezintathu eziphambili zokukhusela:
1. Ingatshisi ilangabi (Ex d) — Ukuthintela
Le ndawo ivalekileyo ineziganeko zokutsha kwangaphakathi.iindlela zomlilo— izikhewu ezincinci ezenziwe ngomatshini — zivumela iigesi ezishushu ukuba ziphume kodwa zizipholise ngaphantsi kwendawo yokutsha ngaphambi kokuba ziphume. Ubukhulu besithuba kufuneka bube ngaphantsiumgama wokucima(ngesiqhelo yi-≤0.5 mm kwimixube ye-hydrocarbon). I-enclosure iyavavanywa ukuze imelane nayo4 × uxinzelelo lokuqhuma olubhekisele kwireferensi.
2. Ukhuseleko Olunyukileyo (Ex e) — Uthintelo
Le ndlela isusa imithombo yokutsha phantsi kweemeko eziqhelekileyo nezingaqhelekanga:
- Uvavanyo lwe-IP54+ oluvaliweyo
- Amaqondo obushushu obuphezulu alinganiselwe ngaphantsi kobushushu bokutsha okuzenzakalelayo kwegesi
- Izitywino ezisemgangathweni ophezulu zithintela ukungena kwegesi
- Iindlela zokutshintsha ezivaliweyo zikhusela kwiimpazamo ze-arc
3. Ukhuseleko Lwangaphakathi (Ex ia/ib) — Ukunciphisa Amandla
Eyona ngcamango ingqongqo: amandla ombane ahlala enganele ukukhanyisa umoya, nokuba phantsi kweemeko zempazamo. Ifezekiswa ngokusebenzisa ii-resistors ezithintela umbane, ii-barrier diodes, kunye neesekethe ze-low-voltage/low-current. Iqinisekisiwe kwiindawo ze-Zone 0.
4. Uxinzelelo (Ex p)
Esi sivalo sihlala sinikwa igesi ekhuselayo xa uxinzelelo lungaphezulu komoya ongaphandle, nto leyo ethintela ukungena kwegesi evuthayo. Ukuba uxinzelelo luyehla, isixhobo siyayeka ukusebenza.
Ziziphi Izinto Eziphambili Zefowuni Engaqhumiyo?
| Icandelo | Umsebenzi | Isitshixo esicacileyo |
|---|---|---|
| Indawo evalekileyo engaqhumiyo | Iqulethe ukutsha kwangaphakathi | I-aluminium eyenziwe ngesinyithi, intsimbi engatyiwayo eyi-316L, okanye i-GRP |
| Izithinteli zomlilo / iindlela zomlilo | Iintlantsi ezipholileyo, zithintela ukuphuma kwelangatye | Izikhewu ezenziwe ngomatshini ≤0.5 mm ngokwe-IEC 60079-1 |
| Ifowuni yesandla / isithethi | Unxibelelwano ngesandi | Imakrofoni erhoxisa ingxolo; imveliso ≥85 dB kwiindawo ezinengxolo |
| Ikhibhodi | Igalelo lomsebenzisi | Ukusebenza okukhanyisiweyo, okutywiniweyo, okufakwe iiglavu |
| Isalathisi esibonakalayo/esibonakalayo | Isilumkiso kwiindawo ezinengxolo | I-strobe ye-LED + iringi yesandi ≥100 dB |
| Iintambo zokungena | Uqhagamshelo lwamandla kunye nesiginali | Ii-cable glands eziqinisekisiweyo ngaphandle kwe-d; zitywinwe kabini |
| Izivatho zokusingqongileyo | Ukhuseleko lokusingqongileyo | I-Silicone/EPDM; Uvavanyo lwe-IP66+ |
Iiyunithi zanamhlanje zihlala zongezai-auto-dialer, Ukubeka esweni okukude kwe-RS-485/EthernetkunyeInkxaso ye-SIP/VoIP.
Ungayikhetha njani ifowuni ekwaziyo ukumelana nokuqhuma ngamanyathelo ama-4?
Inyathelo 1 — Chonga indawo yakho.Fumana umzobo wohlulo lwendawo. Qinisekisa igesi/umphunga (Udidi I / Ummandla 0–2) okanye uthuli (Udidi II / Ummandla 20–22).
Inyathelo lesi-2 — Thelekisa ingcamango yokhuseleko nendawo:
- ICandelo 0 / ICandelo loku-1 Isahluko 1:Ikhuselekile ngaphakathi (Ex ia) okanye indibaniselwano Ex d + ia
- ICandelo 1 / ICandelo loku-1 ICandelo 1:Ayitshisi ilangabi (Ex d) okanye ukhuseleko olunyukileyo (Ex e)
- ICandelo lesi-2 / ICandelo loku-1 iCandelo lesi-2:Ukungatshisi (Ex n) okanye Ex d, Ex e
Inyathelo lesi-3 — Qinisekisa ukulinganiswa kokusingqongileyo:
- Uvavanyo lwe-IP:Ubuncinane be-IP65 xa ungaphandle/umanzi; i-IP66 xa uhlamba
- Uluhlu lobushushu:−40 °C ukuya ku +60 °C kwiiyunithi zoshishino
- Ukumelana nokugqwala:Intsimbi engenasici eyi-316L okanye i-GRP yeendawo zaselwandle/zekhemikhali
- Inqanaba lengxolo:Kwiindawo ezingaphezulu kwama-85 dB, khetha izithethi ezikhupha amandla aphezulu okanye izalathisi zestrobe
Inyathelo lesi-4 — Qinisekisa ukuthotyelwa kwemithetho:I-ATEX (eYurophu), i-IECEx (yaMazwe ngaMazwe), i-NEC/CEC (eMntla Melika), i-CCC (eTshayina), i-InMetro (eBrazil), kunye ne-TR CU (e-EAC) kwiimarike zazo.
Ingcebiso:Bandakanya iqela lokhuseleko lwenkqubo kunye neqela lezixhobo/lombane ngexesha lokunika iinkcukacha. Utshintsho emva kokufakelwa lubiza kakhulu
Ithini imeko yoLawulo lweeFowuni ezingenakuqhushumba ngo-2026?
1. Ukuhambelana kwe-IEC 60079 ne-IEC 61508.I-IEC inyuse iimfuno zokuthembeka okucwangcisiweyo kubavelisi bezixhobo.
2. Ukwahluka kwe-ATEX kunye ne-UKEX.Kufuneka isiqinisekiso esiphindwe kabini kubavelisi abakhonza iimarike ze-EU kunye ne-UK.
3. Ihlaziyiwe i-IEC 60079-28 yezixhobo ezingenazingcingo.Imeko ecacileyo yeefowuni ezisebenzisa iBluetooth kunye neWi-Fi ezikwaziyo ukumelana nokuqhuma kwiindawo zeZone 0.
4. Ukuhlanganiswa kwe-IoT.Abaqhubi bafuna inkxaso ngakumbiI-Ethernet/IP, iModbus TCP, kunye nePROFINETyokudibanisa i-DCS.
5. Ukhuseleko lwe-intanethi.Imigangatho ye-IEC 62443 isetyenziswa kakhulu kwizixhobo ezikwaziyo ukumelana nokuqhuma ezikwinethiwekhi.
Ukuze ufumane iireferensi zangoku, qhagamshelanaInkqubo ye-IEC Ex, Umyalelo we-ATEX 2014/34/EU, kwaye iIBhodi yoKhuseleko lweeKhemikhali yaseMelika.
Ifowuni Engaqhumiyo Yahluke Njani Kwifowuni Yemizi-mveliso Engaqhumiyo?
| Uphawu | Ifowuni engenakuqhushumba | Ucingo lwezeMveliso olumelana nemozulu |
|---|---|---|
| Injongo ephambili | Nqanda ukutsha komoya ongqongileyo | Melana neemeko zokusingqongileyo |
| Uyilo lwendawo ebiyelweyo | Kuvavanyiwe ukuba kuthintelwe ukuqhuma; iindlela zomlilo ngokwe-IEC 60079-1 | Ukuqina kwendalo; akukho vavanyo lokuqhuma |
| Isiqinisekiso | Isatifikethi sendawo enobungozi se-ATEX, IECEx, NEC/CEC | Uvavanyo lwe-IP kuphela |
| Ixabiso | 3–10× ngaphezulu | Ezantsi |
| Isicelo | Iindawo zokucoca, imigodi, izityalo zeekhemikhali | Iidokhi, iitonela, iindawo zangaphandle ezingezizo eziyingozi |
| Imigangatho | Uthotho lwe-IEC 60079, i-NFPA 70 Inqaku 500 | I-IEC 60529, i-NEMA 250 |
Ukusebenzisa ifowuni engangeni manzi kwindawo enobungozi kakhulu kukwaphula umthetho wokhuseleko. Ngokwahlukileyo koko, ukusebenzisa ifowuni engangeni manzi kwindawo engenabungozi kuthetha iindleko ezingeyomfuneko.
Luluphi Ulondolozo Olufunekayo Kwiifowuni Ezingaqhumiyo?
Ulondolozo lulawulwa yi-OSHA 1910.269, i-ATEX Directive 2014/34/EU, kunye ne-IEC 60079-17:
- Uhlolo olubonakalayoindawo evalekileyo yokugqwala, ukonakala, okanye ukuphazanyiswa. Imiphezulu yendlela yelangatye mayicoceke kwaye ingonakaliswanga.
- Uvavanyo lokunyanisekauxinzelelo oluvaliweyo lweeyunithi ze-Ex p ngokwemiyalelo yomenzi.
- Ukuhlolwa kwe-Cable Glandukuqinisekisa ukuba ii-entry ezitywinwe kabini zihlala zivaliwe ngokufanelekileyo.
- Uvavanyo lokusebenzaiimpawu zeringi, ikhiphedi, i-handset, kunye ne-auto-dial.
- Ukutshintshwa kwesitywino/igasketrhoqo emva kweminyaka emi-3-5 ngokweshedyuli yomenzi.
- Ukuqinisekiswa ngokutshayilabhoratri evunyiweyo ukuba indawo ebiyelweyo ilungisiwe.
Kubalulekile:Naluphi na utshintsho olutshintsha ubungakanani okanye izinto ezisetyenziswa kwindlela yelangatye luphelisa isiqinisekiso. Ulungiso kufuneka lwenziwe ngabasebenzi phantsi kweskimu sokulungisa esiqinisekiswe yi-IECEx.Inkqubo yeSitishi sokuLungisa i-IECEx)
Imibuzo Ebuzwa Rhoqo (Imibuzo Ebuzwa Rhoqo)
Yintoni umahluko phakathi kwefowuni ekwaziyo ukumelana nokuqhuma kunye nefowuni eqhelekileyo yemizi-mveliso?
Ifowuni engaqhumiyo iqinisekisiwe ngokukodwa kwiindawo ezinobungozi apho kunokubakho izinto ezinokutsha khona. Indawo yayo yokuvala yenzelwe ukubamba izinto ezivuthayo zangaphakathi kunye nokuthintela ukusasazeka komlilo. Ifowuni eqhelekileyo yemizi-mveliso, nokuba ilinganiswe kwiindawo ezinobungozi, ayinaso isiqinisekiso sendawo enobungozi kwaye akufuneki isetyenziswe apho kufuneka izixhobo ezikhusela ukuqhuma khona.
Ngaba iifowuni ezikwaziyo ukumelana nokuqhuma zingasetyenziswa kwiindawo zangaphandle nezaselwandle?
Ewe. Khetha iiyunithi ezinesiqinisekiso esifanelekileyo sendawo enobungozi (i-ATEX, i-IECEx, okanye i-NEC/CEC) zidityaniswe neIP66+ukulinganiswa kokusingqongileyo kunyeizixhobo ezimelana nokugqwala(intsimbi engagqwaliyo eyi-316L okanye i-GRP). Usetyenziso lwaselwandle ludla ngokufuna imvume eyongezelelweyo evela kwi-ABS, DNV, okanye kwi-Lloyd's Register.
Ingakanani ixesha eliqhelekileyo lokusebenzisa ifowuni engaqhumiyo?
Ngokugcinwa kakuhle, iyunithi eyakhiwe kakuhle isebenza ngokuthembekileyoIminyaka eli-10–15Uphuhliso lwetekhnoloji (njengeVoIP/SIP) lunokwenza iiyunithi ezindala zingasebenzi ngaphambi kokuba ziphele ixesha lazo lokuphila.
Ngaba iifowuni ezingakwaziyo ukuqhuma ziyayixhasa iVoIP kunye neenkqubo zonxibelelwano zanamhlanje?
Ewe. Ngowama-2026, inani elikhulayo liyaxhasaI-SIP yokudibanisa i-VoIP, I-Ethernet/IP, I-Modbus TCPkunyeI-PROFINET, edibanisa namaqonga onxibelelwano lwemizi-mveliso anamhlanje. Iiyunithi ze-analog kuphela zihlala zixhaphakile kwiindawo ezisetyenzisiweyo ezindala.
Ixabisa malini ifowuni engaqhumiyo?
- Indawo yesi-2 / Isigaba soku-1 seDiv 2iiyunithi: malungaIidola zaseMelika ezingama-800–1,500ngeyunithi nganye
- Indawo 1 / Isigaba 1 seCandelo 1ngeVoIP/SIP kunye nentsimbi engagqwaliyo:Iidola zase-USD 2,000–6,000+
- Iiyunithi ezikhethekileyo zemigodi okanye zaselwandle ezikude nolwandle zibiza kakhulu ngenxa yeziqinisekiso ezingqongqo kunye nolwakhiwo olumelana nokugqwala.
Ixesha leposi: Epreli-08-2026