Thenga iSpeaker ye-ATEX ekumgangatho ophezulu kwiNkqubo yeSpeaker ye-PA yeSithethi seNdawo enobungozi

• Ukukhethwa kwezithethi ze-ATEX kuqala ngokuhlelwa kwendawo enobungozi, kungekhona nge-wattage yodwa.
• Kwiinkqubo ze-PA kwizityalo ezinengxolo, ukuqonda intetho kudla ngokuba kubaluleke ngakumbi kunokukhupha okuphezulu.
• Uyilo oluqinisekisiweyo lwendawo ebiyelweyo, ukuguquguquka kokuxhonywa, kunye nokuqina kwendalo kuchaphazela iindleko zobomi bonke.
• Ukuhlanganiswa ne-alamu yomlilo, i-paging yongxamiseko, kunye neendlela zokusebenza kwegumbi lolawulo kufuneka kuhlolwe ngaphambi kokuba kuthengwe.

Ukukhetha isithethi se-ATEX kwinkqubo ye-PA yesipikha sendawo enobungozi sisigqibo sokhuseleko, kungekhona nje isigqibo sokuthenga isandi. Kwiindawo eziqhumayo, izixhobo kufuneka zihambelane nohlu lweendawo kunye nengcamango yokhuseleko efanelekileyo, kwaye iinkqubo zesandi zoshishino kufuneka zisasaze imiyalezo ecacileyo phantsi kweemeko zokusebenza zokwenyani. I-IEC 60079-0 ichaza iimfuno eziqhelekileyo zezixhobo eziqhumayo, ngelixaIECExkwayeI-ATEXizikhokelo zixhasa ukuhambelana kwezixhobo ezisetyenziswa kwiindawo ezinobungozi. Ukuze kuqinisekiswe unxibelelwano, iinjongo zokuqiqa intetho zihlala zivavanywa ngeendlela ezifanaI-IECimigangatho kunye nomlinganiselo we-acoustic kwindawo ethile, kuba inkqubo enokufikelela kwi-110 dB ngaphandle kokucaca isenokungasebenzi ngexesha likaxakeka.

Oko Kufuneka Kwenziwe Yisithethi se-ATEX Kwinkqubo ye-PA Yommandla Onobungozi

Isithethi se-ATEX kufuneka senze izinto ezintathu ngaxeshanye: ukusinda kwimeko-bume, ukulandela imithetho yendawo enobungozi, kunye nokuhlala kucacile xa indawo ingxolo. Loo nto yiyo loo nto abathengi kufuneka baphephe ukuphatha isithethi njengexilongo eliqhelekileyo langaphandle.

Kwindawo yokuhluza, kwindawo yokutyala iikhemikhali, kwindawo yokuphatha iinkozo, okanye kwindawo yokupeyinta, isithethi sendawo enobungozi sinokuba yinxalenye yenkqubo yesandi sikawonke-wonke, inethiwekhi ye-alamu yongxamiseko, okanye inkqubo yokupakisha iipage. Isithethi kufuneka sisebenze ngexesha lemisebenzi eqhelekileyo, kodwa kufuneka sihlale sithembekile kwiimeko ezifana nokuphazamiseka kombane, ukuphazamiseka kwenkqubo, okanye ingxolo enkulu yangasemva. Ngenxa yeso sizathu, imibuzo ebalulekileyo ayisiyo nje kuphela ethi “Ingxolo kangakanani?” kodwa ikwayiyo “Iqinisekiswe yeyiphi indawo?” kunye “Ngaba abaqhubi banokuyiqonda umyalezo kumgama ofunekayo?”

Njengesalathiso, iinkqubo ezininzi zesandi zoshishino ziyilwe ngokujikeleze umda wokumamela ongaphezulu kwengxolo ye-ambient. Ukuba ingxolo ye-ambient yi-85 dB(A), umyalezo we-paging uhlala ufuna imveliso yasekhaya eyaneleyo kunye nengqondo ukuze uhlale uvakala ngaphezulu kwelo nqanaba, ingakumbi apho imijikelo yoomatshini idala iincopho zengxolo ezitshintshatshintshayo. Kwimiyalezo engxamisekileyo, ukucaca kubaluleke ngaphezu kwamandla aluhlaza kuba abantu kufuneka baqonde imiyalelo ngoko nangoko.

Isatifikethi se-ATEX Speaker, iiNdawo, kunye neZiseko zokuThotyelwa kweMithetho

Isiqinisekiso sisihluzo sokuqala kuyo nayiphi na inkqubo ye-PA yesithethi sendawo enobungozi. Ngaphandle kwesiseko esichanekileyo sesiqinisekiso, kwanesithethi esakhiwe kakuhle sisenokungasebenzi kwindawo ekujoliswe kuyo.

Phantsi kwesakhelo se-ATEX kwi-European Union, izixhobo ezenzelwe i-explosive atmospheres zihlulwe ngohlobo lwengozi kunye nohlu lwendawo. Kwiigesi kunye nomphunga, iindawo eziqhelekileyo ziquka i-Zone 1 kunye ne-Zone 2; kuthuli, uhlahlelo olufanayo luquka i-Zone 21 kunye ne-Zone 22. Umthengi kufuneka alungelelanise uphawu lwesixhobo kunye nemephu yomngcipheko eyenziwe yinjineli yendawo. Loo lungelelwaniso alunakuxoxiswana kuba izixhobo zikhethelwe ukunciphisa umngcipheko wokutsha kwi-atmosphere yokwenyani ekhoyo.

Kwiiprojekthi zehlabathi, amaqela amaninzi obunjineli aphinda ahlole uxwebhu lwe-IECEx kuba lubonelela ngesicwangciso esaziwayo sovavanyo lwezixhobo kwindawo enobungozi. Inzuzo esebenzayo kwiqela lokuthenga ilula: izinto ezimbalwa ezingalindelekanga ngexesha lokuhlolwa, ukugunyaziswa, kunye nokuthunyelwa kwamanye amazwe. Xa iprojekthi igubungela izibonelelo ezininzi, ukusebenzisa ingqiqo efanayo yesatifikethi kuzo zonke izityalo kunciphisa ubunzima beendawo zogcino.

Omnye umthetho osebenzayo kukuqinisekisa indawo yokufakela kuqala kunye nesandisi-lizwi okwesibini. Ukuba indawo ayihlelwanga ngendlela engafanelekanga, isithethi asinakucaciswa ngokuchanekileyo. Yiyo loo nto amaqela obunjineli edla ngokucela umzobo wohlu lweendawo ezinobungozi ngaphambi kokuba bathelekise amanqanaba okukhupha isandi.

Indlela yokuLinganisa iSithethi se-ATEX kwiNkqubo ye-PA yeSithethi seNdawo enobungozi

Ubungakanani besithethi kufuneka busekelwe ekugutyungelweni nasekuqondeni, kungekhona kwinani elinye lamandla ombane. I-horn ye-30 W kwenye i-layout inokusebenza ngcono kuneyunithi ye-100 W kwenye ukuba ukuphakama kokukhwelisa, i-angle yokusasazeka, kunye neprofayili yengxolo ye-ambient zihambelana ngcono.

Intsimi yesandi kwiindawo zoshishino ibunjwe ngoomatshini, imibhobho, iindonga, iitanki, kunye neeyadi ezivulekileyo. Uphondo olunomqadi omxinwa lunokuphuma luhambele phambili ecaleni kwendlela, ngelixa ipateni ebanzi inokusebenza ngcono kwiindawo ezivulekileyo zokuhlanganisa okanye zokulayisha. Ngenxa yesi sizathu, abathengi abanamava bacela isiphumo se-dB kumgama othile, baze bathelekise nengxolo yendawo elinganisiweyo. Ukuba isityalo sinengxolo yangasemva ye-80 ukuya kwi-90 dB(A) rhoqo, i-paging kufuneka yenziwe ngomda owongezelelweyo, ingakumbi apho kunxitywe khona ukhuseleko lokuva.

Ukuqondwa kwentetho kunokuvavanywa ngeendlela ezichanekileyo ezifana novavanyo lokuthetha kunye nokulinganisa indawo. Kwindlela yokunxibelelana engxamisekileyo, ukucaca kwemiyalezo kudla ngokuba luncedo ngakumbi kunendlela elula yokubeka isandi kuba abantu kufuneka baqaphele amagama anje ngokuthi “phuma,” “yeka,” okanye “hlanganisa” ngoko nangoko.

• Linganisa ingxolo engqongileyo ngexesha lemveliso eqhelekileyo kunye notshintsho olubi kakhulu.
• Chonga indawo ekude yokumamela kunye nazo naziphi na izithintelo zesandi.
• Cacisa uhlobo lomyalezo olufunekayo: i-paging, isilumkiso, ukufuduka, okanye imiyalelo yenkqubo.
• Qinisekisa amandla e-amplifier, ukulahleka komgca, kunye novakalelo lwesithethi kunye.
• Vavanya ukuba iyasebenza na emva kokufakwa, kungekuphela nje kumzi-mveliso.

Kwiiprojekthi ezininzi, iinjineli zikwathelekisa umlinganiselo we-IP kunye nobubanzi bobushushu bokusebenza. Isithethi esisebenza kakuhle ngaphakathi sinokungaphumeleli ngaphandle ukuba asikwazi ukumelana nemvula, ukuvezwa yi-UV, inkungu yetyuwa, okanye ukujikeleza kobushushu. Yiyo loo nto isithethi sisebenza kakuhle ngaphakathi.uluhlu lwemveliso yonxibelelwano lwemizi-mvelisokufuneka ihlolwe sisicelo, kungekuphela nje ngegama lekhathalogu.

Idatha yokusebenza kwesithethi se-ATEX ekufuneka abathengi bayijonge

Idatha yokusebenza yeyona ndlela ikhawulezayo yokwahlula amabango okuthengisa kulwazi lobunjineli olusebenzisekayo. Kwinkqubo ye-PA yesithethi sendawo enobungozi, amaxabiso amathathu abaluleke kakhulu: inqanaba lemveliso, impendulo yamaza amaninzi, kunye nokuqina kokusingqongileyo.

Inqanaba loxinzelelo lwesandi lidla ngokuchazwa kumgama othile, ngokufuthi imitha e-1. Impendulo yemvamisa ibonisa ukuba isithethi siyaliphinda na ilizwi ngokucacileyo phakathi kwebhendi apho amandla entetho ahlala khona. Izilinganiso zokusingqongileyo ezifana ne-IP66 zibonisa ukhuseleko kwiijethi zamanzi ezinamandla kunye nokungena kothuli, ngelixa izilinganiso zobushushu ezibanzi zibonisa ukuba iyunithi inokuphila ngaphandle ebusika okanye kwiindawo ezishushu. Ezi azizo iinkcukacha zobuhle; zichaphazela ixesha lokusebenza kunye neendleko zokulungisa.

Uthelekiso lobungakanani lunceda amaqela eprojekthi ukuba aphephe ukucacisa okungaphantsi. Umzekelo, ukuba isityalo sinenqanaba elilinganisiweyo le-88 dB(A) kufutshane nendawo yokumpompa, uyilo lwesithethi kufuneka luqwalasele ukulahleka komgama kunye nokubonakaliswa kwendawo. Ukuba isithethi sifakwe kwiimitha ezili-15 ukusuka kumqhubi, ukuqonda okusebenzayo kuya kuxhomekeka kwimveliso ye-acoustic kunye nejometri yegumbi. Yiyo loo nto uvavanyo lokwamkelwa kwendawo lubalulekile.

Apho Izithethi ze-ATEX Zisetyenziswa khona kwiiprojekthi zoShishino zokwenyani

Izithethi ze-ATEX zibaluleke kakhulu apho ii-alamu kunye nemiyalezo yelizwi kufuneka ifikelele kubantu abasele benxibe ii-PPE, abasebenza ngoomatshini, okanye abahambahamba kwiindawo ezinengxolo nezintsonkothileyo.

Izicelo eziqhelekileyo ziquka amaqonga aselunxwemeni, izityalo zeekhemikhali, iindawo zokugcina izinyibilikisi, imigca yepeyinti, ukuphathwa kweenkozo kunye nomgubo, iindawo zokugcina amafutha, iindawo zokucoca amanzi amdaka, kunye neendawo zokugcina izinto ezinkulu ezinomngcipheko onobungozi wothuli. Kwezi meko, isithethi sinokubotshelelwa kwinkqubo yesaziso esingxamisekileyo, inethiwekhi yokulawula igumbi, okanye inkqubo ye-alamu edibeneyo evakalayo nebonakalayo.

Umzekelo, xa kusenziwa utshintsho kwindawo yokuhluza, ukuxinana okwethutyana kwandisa umngcipheko wokuba abasebenzi baphoswe yimiyalelo yomlomo. Isithethi sendawo enobungozi esibekwe kakuhle singanciphisa ukudideka ngokusasaza utshintsho lwendlela, izaziso zokufikelela ezithintelweyo, okanye isikhokelo sokuphuma. Kwindawo yokusanhlamvu, umgaqo ofanayo uyasebenza, kodwa into ephambili inokuba ngumngcipheko wokutsha onxulumene nothuli kunye nesilumkiso sokusebenza ixesha elide kwiindawo zokuphatha ezivulekileyo.

Kubathengi abathelekisa iintsapho zeemveliso, kuluncedo ukuphonononga uyilo olubanzi lwenkqubo ngokusebenzisaizisombululo zefowuni ezingenakugqabhuka, iinkqubo zefowuni ezimelana nemozulukunyeizixhobo zefowuni zoshishinokuba isithethi sihlala sisebenza kunye nezo siphelo zonxibelelwano kwinethiwekhi epheleleyo yesiza.

Indlela yokuthelekisa iinketho zesithethi sendawo enobungozi ngaphandle kokuthenga kakhulu

Isigqibo sokuthenga esifanelekileyo silinganisa umda wokhuseleko, ukugubungela isandi, kunye nenkxaso yomjikelo wobomi. Ukuthenga ngokugqithisileyo kunokudala iindleko ezingeyomfuneko, ngelixa ukuthenga okungaphantsi komlinganiselo kunokubangela ukungaphumeleli kokuthobela imithetho kunye nokungaphumeleli konxibelelwano.

Impazamo exhaphakileyo kukukhetha isithethi kuphela ngamandla alinganisiweyo. Enye kukuthatha ukuba ubulukhuni bangaphandle ngokuzenzekelayo bulingana nokufaneleka kwendawo enobungozi. Impazamo yesithathu kukungawunaki ukufikelela kulondolozo. Ukuba isixhobo kunzima ukusihlola okanye ukusitshintsha, isityalo sinokujongana nexesha elide lokungasebenzi ngexesha lokuhlolwa rhoqo okanye uvavanyo lokuphendula kwesiganeko.

Inkxaso yomjikelo wobomi ibalulekile kuba iindawo zoshishino zihlala zisebenza iminyaka okanye amashumi eminyaka. Ukuba usapho lwesithethi lunezixhobo zokufakelwa ezizinzileyo, iindawo zokugcina ezihambelanayo, kunye namaxesha okukhokela aqikelelweyo, iqela lobunjineli lichitha ixesha elincinci kwizinto ezingaphandle kokuthengwa kunye nexesha elingakumbi ekuthembekeni kwenkqubo. Oko kubaluleke kakhulu kwiiprojekthi ezifuna iindawo zokugcina ezihambelanayo kwizityalo ezininzi okanye kwiimarike zokuthumela ngaphandle.

Uluhlu lokujonga ukufakwa kunye nokugcinwa kweNkqubo ye-PA kwiindawo ezinobungozi

Umgangatho wofakelo ungenza isithethi esihambelanayo sisebenze kakubi ukuba ukufakwa, ukuxhunywa kweentambo, okanye ukujongwa kwayo akulunganga. Eyona mveliso ikhuselekileyo isenokungaphumeleli ukuba ayifakwanga ngokuchanekileyo.

• Qinisekisa indawo enobungozi kunye nodidi lwezixhobo ngaphambi kokuba zikhutshwe.
• Qinisekisa ukuba i-cable glands, i-conduit, kunye nendlela yokuvala ihambelana nobubanzi besatifikethi.
• Faka isithethi kwindawo ephakamileyo exhasa ukugquma kwaye iphephe ukuvaleka.
• Vavanya ukuvakala kwelizwi xa kukho ingxolo eqhelekileyo yesityalo, kungekuphela nje xa kucinywa.
• Amaxesha okuhlolwa kwamaxwebhu kunye nezixhobo ezingasetyenziswayo zeqela lolondolozo.

Kwiindawo ezininzi, kusetyenziswa uhlolo lwekota lwezixhobo zonxibelelwano olungxamisekileyo, ngelixa uvavanyo olusebenzayo olunzulu lwenziwa ngokwesicwangciso ngokwemigaqo-nkqubo yendawo kunye neemfuno zekhowudi ezifanelekileyo. Ukuba inkqubo ibandakanya ukukhutshwa kwelizwi okanye ukuhlanganiswa kwe-alamu, isicwangciso sovavanyo kufuneka siqinisekise ukuziphatha kwe-power backup kunye nokubonisana kwephaneli yokulawula.

Ngenxa yokuba iiprojekthi zeendawo ezinobungozi zihlala ziquka amaqela amaninzi, iinkcukacha zokuthenga kufuneka zibandakanye iimeko zokusingqongileyo, imida yokuhambisa iintambo, kunye nemigangatho yokwamkelwa. Oko kunciphisa iimpazamo zokudluliselwa phakathi kobunjineli, ukuthengwa, kunye nokugcinwa.

Imibuzo Ecetyiswayo Yokuthenga Ngaphambi Kokuba Uthenge

Imibuzo efanelekileyo ityhila ukuba ngaba umthengisi uyaziqonda na izicelo zemizi-mveliso okanye unikezela ngesandisi-lizwi esiqhelekileyo kuphela.

1. Yeyiphi indawo kunye neqela legesi okanye lothuli eligunyazisiweyo yisithethi?
2. Ingakanani inqanaba lokukhupha elilinganisiweyo kumgama ochaziweyo?
3. Ngaba uyilo luyayixhasa i-IP yesiza, ubushushu, kunye neemfuno zokugqwala?
4. Ngaba isithethi singadibana ne-PA ekhoyo, i-alamu, okanye ulawulo lokuphuma?
5. Ngawaphi amathuba okuhlola nokutshintsha acetyiswayo?
6. Ngaba izixhobo zokuxhoma kunye nezixhobo ezingasetyenziswayo ziyafumaneka ukuze zixhase ixesha elide?

Le mibuzo ikwanceda ekuhambelaniseni ukuthengwa kwempahla nobunjineli. Umthengi ofuna inkqubo ye-PA yesipikha sendawo enobungozi uhlala ezama ukunciphisa umngcipheko, ukwenza lula ukufakela, kunye nokuqinisekisa ukuthembeka kwexesha elide, kungekhona nje uku-odola into kwikhathalogu.

FAQ

Isetyenziselwa ntoni isithethi se-ATEX?

Isithethi se-ATEX sisetyenziselwa ukusasaza imiyalezo yelizwi okanye ii-alamu kwiindawo apho kunokubakho iigesi eziqhumayo, umphunga, okanye uthuli. Senzelwe ukunciphisa umngcipheko wokutsha ngelixa sixhasa ukudibana kweefowuni ezingxamisekileyo, ukuphuma kwindawo ethile, kunye nonxibelelwano oluqhelekileyo.

Ndingayikhetha njani isithethi esifanelekileyo sendawo enobungozi?

Qala ngohlu lweendawo, uze uqinisekise isiqinisekiso, isandi esiphumayo, ukalisho lokusingqongileyo, kunye nendlela yokufakela. Olona khetho lufanelekileyo lolo luhambelana neprofayili yomngcipheko wendawo kwaye luhlala luqondakala kumgama wokumamela.

Ngaba amandla aphezulu ahlala engcono kwinkqubo ye-PA?

Hayi. Amandla aphezulu ombane anokunceda, kodwa indlela yokugubungela, indawo yesithethi, kunye nengxolo ye-ambient ibaluleke ngakumbi. Iyunithi yamandla aphantsi ebekwe kakuhle inokwenza ngcono kuneyunithi yamandla aphezulu ebekwe kakubi.

Isithethi se-ATEX sifanele sibe nomlinganiselo onjani we-IP?

Oko kuxhomekeke kwimeko-bume. Iindawo ezingaphandle okanye ezihlanjwa ngamanzi zihlala zifuna ukhuseleko oluphezulu lokungena kwamanzi njenge-IP66 okanye i-IP67, kodwa ukhetho lokugqibela kufuneka lulandele imiqathango yendawo kunye nobubanzi besatifikethi.

Ngaba isithethi se-ATEX singasetyenziswa kwiindawo zothuli?

Ewe, ukuba iqinisekisiwe ukuba inengozi yothuli kwaye uphawu luhambelana nohlu lweendawo zothuli. Usetyenziso lothuli lufuna ingcamango yokhuseleko echanekileyo kunye nendlela yokufakela.

Kutheni ukuqonda intetho kubaluleke kangaka kwiinkqubo ze-PA zoshishino?

Kuba abantu kufuneka bayiqonde imiyalelo ngoko nangoko ngexesha lee-alamu okanye utshintsho lwenkqubo. Umyalezo omkhulu ongenakuqondwa unokubangela ukulibaziseka nokudideka.

Ngaba kufuneka ndithenge isithethi ngokwahlukileyo kwinkqubo ye-PA?

Isithethi kufuneka sikhethwe njengenxalenye yoyilo olupheleleyo lwenkqubo. Umthamo wesandisi-lizwi, ukulahleka komgca, uyilo lwendawo, kunye nokudibanisa ulawulo konke kuchaphazela ukusebenza kokugqibela.