Indlela Yokukhetha Iifowuni Zangaphandle Ezingxamisekileyo Kwiimeko Ezinzima

Kutheni iifowuni zongxamiseko zangaphandle ziyinkqubo ebalulekileyo yokhuseleko

Iifowuni zongxamiseko zangaphandle zisebenza njengeendlela ezibalulekileyo zokunceda kwiimeko apho iziseko zonxibelelwano ezisemgangathweni zingafumaneki, zingathembekanga, okanye zingafikeleleki ngexesha lengxaki. Ngelixa ukuxhaphaka kwezixhobo eziphathwayo kuye kwatshintsha iindlela zonxibelelwano ngokubanzi, izibonelelo zoshishino ezinobungozi obukhulu, iikhampasi zeyunivesithi ezikhulayo, kunye neendlela zokuhamba ezikude zisafuna izixhobo zonxibelelwano ezizinikeleyo nezizinzileyo. Ezi nkqubo ziqinisekisa unxibelelwano olukhawulezileyo, olungenamkhethe kwizixhobo zothumelo ezingxamisekileyo, zidlula izinto eziguquguqukayo zeendawo ezifileyo, iibhetri ezifileyo, kunye nokuxinana kwenethiwekhi.

Ukusasazwa kwezi nkqubo kudlula ukulula okusisiseko; yinxalenye ebalulekileyo yolawulo lomngcipheko lweziko kunye nobunjineli bokhuseleko lobomi. Ngokuseka indawo yokunxibelelana eyaziwayo nebonakalayo, imibutho izalisekisa umsebenzi wayo wokhathalelo ngelixa ilungelelanisa kakhulu ulungiselelo lokuphendula ngexesha likaxakeka. Ukuqonda indima echanekileyo kunye neemfuno zokusebenza kwezi zixhobo linyathelo lokuqala lobunjineli benkqubo yokhuseleko ezinzileyo.

Ukunciphisa Ixesha Lokuphendula kunye noxanduva

Umsebenzi oyintloko wefowuni engxamisekileyo yangaphandle kukususa ukungqubana ngexesha lexesha lokuqala elibalulekileyo lesiganeko. Kwifowuni ye-911 ephathwayo eqhelekileyo, abathumeli kufuneka baxhomekeke kwi-cellular triangulation ukuze bamisele indawo yomntu ofowunelayo, inkqubo enokuthatha ixesha elibalulekileyo kwaye ivelise iziphumo ezingachanekanga, ngakumbi kwizakhiwo ezinamanqanaba amaninzi okanye kwiindawo zoshishino ezixineneyo. Iifowuni ezingxamisekileyo ezifakwe kwindawo echanekileyo zineenkcukacha zejografi ezichanekileyo kwinkqubo ye-private branch exchange (PBX) okanye inkqubo ye-computer-aid dispatch (CAD).

Olu lwazi lwendawo olucwangcisiweyo lunciphisa amaxesha okuqalisa impendulo engxamisekileyo ngomndilili wemizuzwana engama-40 ukuya kwengama-60 xa kuthelekiswa neefowuni eziphathwayo eziqhelekileyo. Ngaphezu koko, ukusebenzisa ezi nkqubo kunciphisa uxanduva lweziko. Ngokubonelela ngonxibelelwano olungxamisekileyo oluthembekileyo nolufikelelekayo, imibutho ibonisa ukuthobela iimbopheleleko zomsebenzi wokhathalelo, ezinokuba nefuthe elihle kwiiprimiyamu zeinshorensi kwaye zikhusele kwiibango zokungakhathali xa kukho iziganeko zokhuseleko ezinzima okanye iingozi zomsebenzi.

Ukuchaza iifowuni ezingxamisekileyo zeNdalo eNgqongileyo

Izixhobo zonxibelelwano eziqhelekileyo ziwohloka ngokukhawuleza xa zichatshazelwa zizinto ezibangela uxinzelelo kokusingqongileyo. Ifowuni engxamisekileyo yokusingqongileyo enzima yenzelwe ngokukodwa ukusinda kwiimeko eziya kutshabalalisa ngoko nangoko izixhobo zombane zorhwebo. Ezi yunithi zenzelwe ukusebenza ngokungenasiphako kwiispectrum zobushushu obugqithisileyo, zihlala zilinganiswe ukusebenza rhoqo ukusuka kwi -40°C ukuya kwi +70°C (-40°F ukuya kwi +158°F).

Ngaphaya kokumelana nobushushu, iifowuni ezikwimeko enzima ngokwenene zinebhodi zesekethe eziprintiweyo ezine-conformal-coated printed circuit (PCBs) ukuthintela ii-short circuits ezibangelwa kukufuma, ukufuma okuphezulu, okanye iigesi zomoya ezirhabaxa. Izixhobo zangaphakathi zikhethwa ukuze zihlale ixesha elide, zihlala zine-Mean Time Between Failures (MTBF) edlula iiyure ezingama-50,000. Olu qinano lolwakhiwo nolwe-elektroniki luqinisekisa ukuba isixhobo sihlala sisebenza ngokupheleleyo nangona emva kweminyaka yokuchatshazelwa yimitha ye-UV, imijikelo yokukhenkceza, kunye nee-particles eziphuma emoyeni.

Izicelo zefowuni eziQhelekileyo zangaphandle

Ukusasazwa kweiifowuni ezingxamisekileyo zangaphandleIbandakanya amacandelo amaninzi, ngalinye linemfuno ezizodwa zokusingqongileyo kunye nokusebenza. Amagunya ezothutho axhomekeke kakhulu kwezi nkqubo, efaka iibhokisi zokufowunela ezindleleni ezinkulu kwisithuba seemayile ezi-1 ukuya kwezi-2 ukunceda abaqhubi beenqwelo-mafutha abavalelekileyo ngaphandle kokhuseleko oluthembekileyo lweselula. Ngokufanayo, amaqonga kaloliwe kunye nemijelo yezothutho engaphantsi komhlaba isebenzisa ezi yunithi ukulawula ukhuseleko lwabakhweli kunye nokuxela iimeko ezingxamisekileyo ecaleni kwendlela.

Kwicandelo lemizi-mveliso, izityalo zepetrochemical, izibonelelo zonyango lwamanzi amdaka, kunyeimisebenzi yemigodifaka iifowuni zongxamiseko ezikhuselekileyo ngokwasemzimbeni kwiindawo apho kukho iigesi eziqhumayo okanye uthuli oluvuthayo. Iikhampasi zemfundo kunye neenkampani zimele esinye isicelo esikhulu, apho iinqaba zongxamiseko eziluhlaza okwesibhakabhaka zibekwe ngobuchule ukuqinisekisa ukuba nabani na uhlala ngaphakathi komgca weenyawo ezingama-200 ukuya kuma-300 ukusuka kwindawo yokunxibelelana, ukuthintela ulwaphulo-mthetho kunye nokubonelela ngoncedo olukhawulezileyo ngexesha leziganeko zokhuseleko.

Iinkcukacha zobuGcisa eziphambili ekufuneka zivavanywe

Ukuvavanya iinkcukacha zobugcisa beefowuni zangaphandle ezingxamisekileyo kufuna indlela engqongqo yokuqinisekisa ukuba izixhobo zihambelana neengozi ezithile kwindawo ethile. Izigqibo zokuthenga kufuneka ziqhutywe yidatha yobungqina kunye nemilinganiselo yovavanyo esemgangathweni endaweni yeempawu zoyilo oluphezulu. Injongo ephambili kukufanisa amandla efowuni neemeko ezimbi kakhulu zokusingqongileyo eza kujongana nazo.

Abalawuli bokhuseleko kunye nabahlanganisi beenkqubo kufuneka bahlalutye iinkalo ezintathu eziphambili zobugcisa: ukulinganiswa kokhuseleko lokusingqongileyo nolwenyama, ukuhambelana kwamandla kunye neziseko zophuhliso lwenethiwekhi, kunye nokusebenza kakuhle komdibaniso womsebenzisi. Ukunqongophala kwenye yezi ndawo kunokubeka emngciphekweni lonke uthungelwano lokhuseleko ngexesha lesiganeko esibalulekileyo.

Iireyithingi ze-IP kunye neereyithingi zeMpembelelo ze-IK

Uvavanyo loKhuseleko lokungena (IP) kunye noKhuseleko lweMpembelelo (IK) zezona milinganiselo zicacileyo zokuvavanya ukuqina komzimba wefowuni. Inkqubo yovavanyo lwe-IP iyalela amandla e-enclosure okususa uthuli kunye nokufuma. Kwiindawo zangaphandle nezinzima, uphononongo lwe-IP66 (olungenathuli kwaye lukhuselwe kwiijethi zamanzi ezinamandla) lolona mgangatho uphantsi, ngelixa i-IP67 (ekwaziyo ukuntywiliselwa okwethutyana ukuya kuthi ga kwimitha e-1) iyadingeka kwiindawo ezisengozini yezikhukula okanye kwiindawo zaselwandle.

Okubaluleke ngokufanayo sisikali se-IK, esilinganisa ukumelana kwe-enclosure kwimpembelelo yoomatshini kunye nokonakaliswa. Isikali se-IK10 sibonisa ukuba isixhobo sinokumelana nempembelelo yeejoules ezingama-20, ezilingana nobunzima obuyi-5 kg ​​obuwe phantsi ukusuka kwi-400 mm ngaphezu komphezulu wempembelelo. Izixhobo ezingenazo izikali ze-IK ezifanelekileyo zisengozini enkulu yokutshatyalaliswa ngabom okanye ukuhlaselwa ngengozi ngoomatshini abanzima.

Iinketho zamandla kunye noQhagamshelo

Ukusebenza rhoqo kuxhomekeke kumandla aqinileyo kunye noyilo loqhagamshelwano. Iifowuni zanamhlanje ezisebenzisa i-IP engxamisekileyo zisebenzisa ikakhulu i-Power over Ethernet (PoE), ezihambelana nemigangatho ye-802.3af (15.4W) okanye i-802.3at (PoE+ ukuya kuthi ga kwi-30W). I-PoE yenza kube lula ukufakela ngokudibanisa amandla kunye nedatha kwikhebula le-Cat5e/Cat6 elinye, nangona inqunyelwe ngumda oqhelekileyo we-100-meter Ethernet ngaphandle kokuba kusetyenziswa ii-extenders okanye ii-fiber optic converters.

Kwiindawo ezikude apho ukugalela imisele kubiza kakhulu, kusetyenziswa iindlela ezisebenzisa amandla elanga ezidityaniswe nonxibelelwano lweselula (4G LTE okanye 5G). Ezi nkqubo zihlala zisebenza kwiibhetri ze-12V okanye ze-24V DC ezenzelwe ukubonelela ngeentsuku ezi-5 ukuya kwezi-7 zokuzimela ngexesha elide lokukhanya kwelanga okuphantsi. Kwiziseko zophuhliso zakudala, iintambo ze-analog POTS (Plain Old Telephone Service) zisaxhaswa ngabavelisi abaninzi, nangona ezi zifuna iintambo zobhedu ezizinikeleyo kwaye ziya zincitshiswa kancinci ukuze kusetyenziswe izisombululo ze-SIP-based VoIP.

Umgangatho wesandi, ukubonakala, kunye nokufikeleleka

Kwiimeko ezixakekileyo, umgangatho wesandi sefowuni yongxamiseko unokulawula impumelelo yomsebenzi wokuhlangula. Iifowuni ezikwimeko enzima kufuneka zibandakanye i-Digital Signal Processing (DSP) ephucukileyo kunye ne-acoustic echo cancellation. Iiyunithi eziphezulu ziyakwazi ukucoca ingxolo engasemva efikelela kwi-85 dB, ukuqinisekisa ukuba abathumeli banokumva ngokucacileyo umntu obizayo nokuba kufutshane nezithuthi zendlela okanye oomatshini abakhulu bemizi-mveliso.

Ukubonakala nokufikeleleka ziiparameter zobugcisa ezilawulwa kakhulu. Izibane zestrobe ezinamandla aphezulu, ezihlala zikhupha amandla ekhandlela aphakathi kwesigidi esinye nesigidi esinye nesiqingatha, zidibene ukukhokela abasebenzisi kwifowuni kwaye zincede abasebenzi bokhuseleko bafumane umnxeba osebenzayo ngokubonakalayo. Ngaphezu koko, ukuze kuthotyelwe uMthetho wamaMerika aKhubazekileyo (i-ADA), amaqhosha okutyhala kufuneka afakwe phakathi kwe-34 kunye ne-48 intshi ukusuka kumgangatho ogqityiweyo okanye kumgangatho womhlaba, afune amandla angaphantsi kweekhilogram ezi-5 ukuze asebenze, kwaye kufuneka ahambisane neempawu zeBraille kunye nezibonakaliso ze-LED zesimo somnxeba.

Ukuthelekisa Iintlobo ZeeFowuni Ezingxamisekileyo Ezingangenisi Imozulu

Uyilo olubonakalayo lwefowuni yongxamiseko lumisela ukusinda kwayo kunye neendleko zomjikelo wobomi. Ukukhetha ifom efanelekileyo kunye nezinto ezifihliweyo kuxhomekeke kakhulu kwindawo ethile yokufakela, ukufumaneka kwezakhiwo ezikhoyo zokufakela, kunye nenqanaba lomngcipheko elilindelekileyo ukusuka kwindalo kunye nokuphazamiseka kwabantu.

Abadibanisi bokhuseleko kufuneka balinganise iingenelo zezakhiwo ezibonakala kakhulu nezizimeleyo ngokuthelekisa ukusebenza kakuhle kweendleko kunye nokusebenza kakuhle kwendawo yeeyunithi ezixhonywe eludongeni. Ukongeza, ukuqonda iipropati zesinyithi kunye neekhemikhali zezithintelo kuya kuthintela ukungaphumeleli kwezixhobo zekhompyutha ngaphambi kwexesha ngenxa yokugqwala, ukuwohloka kwe-UV, okanye ukwenzakala emzimbeni.

Izixhobo zokuvala kunye nokuqina

Ixesha elide lefowuni engxamisekileyo yangaphandle linxulunyaniswa nezinto zayo ezivalekileyo. Kwiindawo ezikunxweme, kumaqonga angaphandle, okanye kwiindawo ezisebenzisa iityuwa zendlela ezinzima, intsimbi engagqwaliyo ye-316L yodidi lolwandle yeyona ikhethwayo. Ukongezwa kwe-molybdenum kwi-alloy ye-316L kwandisa kakhulu ukumelana kwayo ne-chloride-induced pitting, okuvumela ezi yunithi ukuba zisinde kuvavanyo lwe-salt spray oludlula iiyure ezili-1,000 ngaphandle kokuwohloka kwesakhiwo.

Kwiindawo ezingonakalisi kakhulu kodwa ezingonakalisi kakhulu, izigqubuthelo ze-aluminium eziqinileyo ezigqunywe ngepeyinti yomgubo we-polyester engamelani ne-UV zibonelela ngokulinganisela okuhle kobunzima, iindleko, kunye nokuqina. Ngokwahlukileyo koko, intsimbi eqengqelekayo ebandayo (nokuba ilungisiwe) kufuneka ithintelwe kwiindawo ezingaphandle ezirhabaxa, njengoko naluphi na ukrwelo olunzulu olungena kwi-coating luya kukhokelela kwi-oxidation kunye ne-rust ngokukhawuleza.

Iifowuni zePedestal vs iiBhokisi zeFowuni ezifakwe eludongeni

Ukukhetha phakathi kweefowuni ze-pedestal (ezidla ngokubizwa ngokuba zii-blue light towers) kunye neebhokisi zokufowunela ezixhonywe eludongeni kubandakanya ukutshintshiselana okukhulu kwempahla kunye nemali. Iifowuni ze-pedestal zi-monoliths ezibonakalayo, zihlala ziphakame nge-9 ukuya kwi-10 feet. Zisebenza njengesithintelo esinamandla sengqondo kulwaphulo-mthetho kwaye zibonelela nge-360-degree beacon kubantu abakwingxaki. Nangona kunjalo, zifuna ubunjineli bokwakha obunzulu, kubandakanya iziseko zekhonkrithi ezigalelweyo kunye nokufakwa kwemisele enzulu kwi-conduit, nto leyo ebangela ukuba iindleko ezifakiweyo zifikelele kwi-$2,000 ukuya kwi-$5,000+ ngeyunithi nganye.

Iibhokisi zokufowunela ezixhonywe eludongeni okanye ezixhonywe kwipali zinika umqobo ophantsi kakhulu ekungeneni. Ngokusebenzisa iziseko ezikhoyo—ezifana neefacade zokwakha, iintsika zesakhiwo, okanye iipali zokukhanya ezikhoyo—ezi yunithi zinciphisa kakhulu iindleko zomsebenzi wokwakha. Nangona zingenalo ukubonakala okuphezulu kwesiseko, zisebenza kakuhle kakhulu kwiigaraji zokupaka, ecaleni kweendawo zokwakha, nakwiindawo zoshishino apho indawo iphezulu khona.

Iifowuni Ezingabizi Kancinci Xa Zithelekiswa Neefowuni Ezingxamisekileyo Ezinzima

Amaqela okuthenga adla ngokulinganisa iindleko zezikhululo zokufowunela ezingabizi kakhulu neefowuni ezingxamisekileyo ezinzima. Iiyunithi zorhwebo ezilula, ezihlala zakhiwe ngeentsimbi ze-polycarbonate okanye i-thin-gauge, zihlala ziqala kwi-$300 ukuya kwi-$600. Nangona zingenaxabiso liphezulu, ezi yunithi zihlala zingenazo izitywino zokusingqongileyo zangaphakathi kwaye zisengozini yokuqhekeka yi-UV, zihlala zifuna ukutshintshwa kwisithuba seminyaka emi-3 ukuya kwemi-5 xa zichatshazelwe lilanga elithe ngqo kunye nemozulu embi.

Ngokwahlukileyo koko, iifowuni zongxamiseko eziqinileyo zifuna inkcitho ephezulu yemali, ngokubanzi ukusuka kwi-$1,200 ukuya kwi-$3,000+ kwizixhobo zodwa. Nangona kunjalo, ezi zixhobo zenzelwe ubomi beminyaka eli-15 ukuya kwengama-20. Zinezikrufu ezithintela ukuxinana, iintambo zefowuni ezixhonyiweyo (ezikwaziyo ukumelana namandla okutsala ukuya kuthi ga kwiikhilogram ezingama-800), kunye nokuzivala ngokwazo.iingcango ezimelana nemozuluKwiindawo ezinzima, i-ROI yeeyunithi eziqinileyo ifumaneka ngokususwa kwemijikelo yokutshintshwa rhoqo kunye nokunciphisa umsebenzi wokulungisa.

Ukuthobela, Ukudibanisa, kunye noLondolozo

Ukufakwa kwezixhobo zimele isigaba sokuqala sokuseka inethiwekhi yonxibelelwano olungxamisekileyo ethembekileyo. Ukusebenza ngokuchanekileyo kwenkqubo yefowuni engxamisekileyo yangaphandle kuxhomekeke ekuthobeleni kwayo imigangatho yolawulo, ukuhlanganiswa kwayo okungenamthungo kwimisebenzi yokhuseleko ephakathi, kunye nokusetyenziswa kweenkqubo zokulungisa ezingqongqo nezizenzekelayo.

Ibhokisi yokufowunela eyedwa, engajongwanga lityala kunokuba ibe yimpahla. Amaqhinga onxibelelwano olungxamisekileyo lwanamhlanje afuna ukuba la maqondo okugqibela asebenze njengeendawo ezikrelekrele ngaphakathi kwenkqubo yokhuseleko ye-Intanethi yezinto (IoT), ebonelela ngedatha yexesha langempela malunga nemeko yazo yokusebenza kunye nokuqonda imeko ngexesha lesiganeko.

Imigangatho yoKhuseleko, ukuFikeleleka, yoMbane, kunye neyeTelecom

Ukuthotyelwa kwemithetho kubeka imida engqongqo kwiinkqubo zonxibelelwano olungxamisekileyo. EMantla Melika, uMthetho waseMelika oKhubazekileyo (i-ADA) uyalela ubungakanani obuthile bomzimba, iimfuno zokuchukumisa, kunye neendlela ezimbini zokuphendula ngesandi nombono. Kwicandelo leelevator kunye nelifti, imigangatho efana ne-EN 81-28 ilawula iinkqubo ezithile zokusebenza kwee-alamu ezingxamisekileyo, iqinisekisa unxibelelwano oluhamba macala omabini ngaphandle kokufuna ukuba umntu ovalelweyo acine iqhosha.

Kwiimeko zoshishino ezinzima, imigangatho yokhuseleko lombane ibaluleke kakhulu. Izakhiwo eziphatha iikhemikhali eziguquguqukayo okanye uthuli oluvuthayo kufuneka zisebenzise izixhobo eziqinisekisiweyo zeendawo ezinobungozi. Iifowuni zongxamiseko ezisetyenziswa kwezi ndawo mazihlangabezane nemigangatho ye-UL/CSA yeKlasi I, iCandelo 1 okanye iCandelo 2 (okanye elinganayo).I-ATEX/IECEximigangatho yeZone 1/Zone 2), ukuqinisekisa ukuba isixhobo sikhuselekile ngokwasemzimbeni okanyeayivumeli ukuqhumakwaye ayinakuvelisa intlantsi ekwaziyo ukutshisa umoya ongqongileyo.

Ukuhlanganiswa Nemisebenzi Yokhuseleko

Iifowuni zanamhlanje ezingxamisekileyo zisebenza njengeendawo zokugqibela ze-IoT, zisebenzisa iSession Initiation Protocol (SIP) ukudibanisa ngokuthe ngqo neenkqubo ze-PBX zeshishini, ukuthunyelwa okuncediswa yikhompyutha, kunye namaqonga okhuseleko adibeneyo. Olu kudibanisa luvumela ukuhanjiswa kwefowuni okuntsonkothileyo, njengokuqengqeleka ngokuzenzekelayo phezu komnxeba ongaphendulwanga ukusuka kwidesika yokhuseleko kwindawo ukuya kwiziko lokuthumela i-911 likamasipala emva kwemizuzwana eli-15.

Ngaphezu koko, iiyunithi eziphambili zine-ONVIF compliance okanye i-relay outputs ezidityaniswe neVideo Management Systems (VMS). Xa umsebenzisi ecinezela iqhosha le-emergency, inkqubo ye-SIP inokubangela umyalelo okhawulezileyo kwiikhamera zePan-Tilt-Zoom (PTZ) ezikufutshane, eziyalela ukuba zigxile ngokuzenzekelayo kwindawo yebhokisi yokufowunela. Oku kudibana kwedatha yesandi neyomfanekiso kunika abathumeli ulwazi olubalulekileyo ngemeko ngaphambi kokuba bathethe nomntu ofowunelayo.

Ukuhlolwa, Uvavanyo, kunye nokuBekwa esweni okukude

Ukugcina uluhlu lweefowuni zongxamiseko zangaphandle ngaphambili bekufuna uhlolo olunzima kakhulu. Namhlanje, iinkqubo ezisekelwe kwi-IP zisebenzisa ukufunyanwa kweempazamo ngokuzenzekelayo ukuqinisekisa ukulungela ukusebenza. Isoftware yolawulo oluphambili inokucwangciswa ukuba isebenzise ii-pings zobhaliso lwe-SIP ngamaxesha athile—ngesiqhelo rhoqo emva kwemizuzwana engama-60 ukuya kwengama-120—ilumkisa ngokukhawuleza abaphathi ukuba iyunithi ayisebenzi kwi-intanethi ngenxa yokusilela kwenethiwekhi okanye ukulahleka kombane.

Uxilongo oluphucukileyo luquka uvavanyo lwe-audio loop oluzenzekelayo. Inkqubo ikhupha ithoni rhoqo kwisithethi kwaye isebenzisa imakrofoni edibeneyo ukuqinisekisa ukuba isandi sithathwe ngokuchanekileyo, iqinisekisa ukuba zombini ezi zinto ziyasebenza. Ezi zakhono zokubeka esweni kude zinciphisa kakhulu iindleko zokusebenza, zinciphisa ukuqengqeleka kweelori zokulungisa umzimba ukuya kuthi ga kwi-70% ngelixa ziqinisekisa ukuba inkqubo isebenza ngokupheleleyo ngaphambi kokuba kwenzeke imeko kaxakeka.

Indlela yokukhetha ifowuni yongxamiseko yangaphandle efanelekileyo

Isigqibo sokugqibela sokuthenga sifuna indlela ecwangcisiweyo edibanisa idatha yokusingqongileyo ethile kwindawo, iimfuno zokudibanisa, kunye nomzekelo wezemali wexesha elide. Ukuthenga iifowuni zongxamiseko zangaphandle ngokusekelwe kuphela kwibhidi ephantsi yehardware kudla ngokukhokelela ekusileleni okukhulu kwenkqubo ngexesha leemeko zemozulu ezimbi okanye iimeko ezingxamisekileyo ezibalulekileyo.

Iingcali zokhuseleko kufuneka zenze inkqubo yovavanyo ebanzi ukuqinisekisa ukuba izixhobo ezikhethiweyo zibonelela ngokuthembeka okungathandabuzekiyo. Oku kuquka ukumapha umhlaba, ukubala iindleko zobomi bokwenyani, kunye nokusebenzisa iseti engqongqo yeendlela zokukhetha ezilungiselelwe iimeko ezinzima.

Uvavanyo lweNdawo kunye noVavanyo lweSikhewu sokuGutyungelwa

Ngaphambi kokuvavanya izixhobo zekhompyutha, abalawuli bezokhuseleko kufuneka benze uphando olunzulu lwendawo ukuze kufunyanwe izikhewu zokugubungela unxibelelwano. Oku kubandakanya ukuzoba iindawo ezifileyo zeselula kulo lonke ikhampasi okanye isikhungo, ingakumbi kwiindawo ezixineneyo, kwiindawo ezinemithi emininzi, okanye ezikufutshane nezakhiwo ezineenyawo zentsimbi enzima kunye nezekhonkrithi ezithintela imiqondiso yeRF.

Ukucwangciswa komgca wokubona kubalulekile ekubekweni kweenqaba zokukhanya eziluhlaza okwesibhakabhaka ezibonakala kakhulu. Ngokuxhomekeke kwimo yomhlaba kunye nokukhanya okungqongileyo, i-strobe enamandla kakhulu inokubonwa ukusuka kwiimitha ezingama-3,000 ukusuka apho. Uphando lwendawo kufuneka luchonge iindawo ezifanelekileyo zokufakela eziza kwandisa oku kubonakala ngelixa zinciphisa umgama umsebenzisi ekufuneka awuhambe—zijolise kumgama ophezulu wokuhamba weenyawo ezingama-200 phakathi kweendawo zonxibelelwano olungxamisekileyo kwiindawo ezinomngcipheko ophezulu.

Ixabiso lilonke lobunini

Ukuvavanya iXabiso lilonke lobunini (i-TCO) kubalulekile ukuze kuqikelelwe uhlahlo lwabiwo-mali oluchanekileyo. Iindleko zeCapital (i-CAPEX) azibandakanyi nje kuphela izixhobo, kodwa neendleko ezinkulu zomsebenzi wokwakha. Ukususa i-conduit ukuze kubonelelwe ngombane kunye nedatha kunokusebenza naphi na ukusuka kwi-$50 ukuya kwi-$150 ngenyawo nganye ethe tye, nto leyo edla ngokubangela ukuba ixabiso lefowuni ngokwayo libe lincinci. Oku kwenza iimodeli zelanga-zeselula zibe nomtsalane kakhulu ekufakweni kwe-perimeter ekude nangona ixabiso lazo liphezulu.

Iindleko Zokusebenza (i-OPEX) nazo kufuneka zifakwe kumjikelo wobomi beminyaka eli-10 ukuya kweli-15. Ezi ziquka iifizi zelayisensi ye-SIP trunk, izicwangciso zedatha yeselula zenyanga zeeyunithi ezingenazingcingo, kunye nomsebenzi wolondolozo oluqhelekileyo. Kwiminyaka eli-10, ukufakelwa kunye ne-OPEX zihlala zithatha i-60% ukuya kwi-70% ye-TCO, zigxininisa inzuzo yemali yokutyala imali kwizixhobo zekhompyutha ezithembekileyo nezijongwa kude ezinciphisa iimfuno zolondolozo oluqhubekayo.

Iikhrayitheriya zokugqibela zokukhetha iindawo ezinzima

I-matrix yokugqibela yokukhetha kufuneka ibeke phambili ukuthembeka, ukufaneleka kokusingqongileyo, kunye nenkxaso yabathengisi. Izixhobo kufuneka zibe neereyithingi ezifanelekileyo ze-IP kunye ne-IK, kwaye izinto ezifihliweyo mazihambelane nokuvezwa kweekhemikhali kunye nemozulu kwindawo ethile. Imibutho kufuneka ifune amaxwebhu aqinileyo eemetrikhi ze-MTBF kunye neziqinisekiso zelebhu ezizimeleyo zokusebenza kobushushu obugqithisileyo.

Okokugqibela, vavanya iwaranti yomenzi kunye nokufumaneka kwamacandelo. Kwiimeko ezinzima, iwaranti esemgangathweni yonyaka omnye ayanelanga; imibutho kufuneka ikhangele abavelisi abanikezela ngewaranti encinci yeminyaka emi-3 ukuya kwemi-5 kwizixhobo eziqinileyo. Ukuqinisekisa ukuba umthengisi uqinisekisa ukufumaneka kwezixhobo ezitshintshayo—ezifana nee-PCB, iimayikrofoni, kunye neendibano zamaqhosha—ubuncinane iminyaka elishumi kuya kukhusela utyalo-mali kwaye kuqinisekise ukuba inkqubo yokhuseleko lobomi ihlala isebenza ubomi bayo bonke.

Izinto ezibalulekileyo ekufuneka ziqwalaselwe

• Sebenzisa iifowuni zangaphandle ezizinzileyo apho ukugqunywa kwefowuni, ubomi bebhetri, okanye ukuxinana kwenethiwekhi kunokulibazisa unxibelelwano olungxamisekileyo.
• Khetha iifowuni ezikwimeko enzima ezilinganiselwe malunga ne -40°C ukuya ku +70°C ukuze zisebenze kwiimeko ezingaqhelekanga zangaphandle.
• Cacisa iibhodi zesekethe ezigqunywe ngendlela efanayo kunye neendawo eziqinileyo ezivaliweyo ukukhusela izixhobo ze-elektroniki kumswakama, ukufuma, uthuli, ukuvezwa yi-UV, kunye neegesi ezirhabaxa.
• Hlanganisa iifowuni zongxamiseko neenkqubo zePBX, VoIP, CAD, dispatch, paging, okanye PA ukuze abaphenduli bafumane ulwazi oluchanekileyo lwendawo ngokukhawuleza.
• Kwiindawo zeoyile negesi, ezemigodi, ezekhemikhali, nezinye ezinobungozi, khetha iimodeli ezikwaziyo ukumelana nokuqhuma ezineziqinisekiso ezifanelekileyo ezifana ne-ATEX.
• Vavanya ukuthembeka komjikelo wobomi, kuquka ukulinganiswa okude kwe-MTBF kunye nolawulo lomgangatho womenzi, ngaphambi kokuba uthengele usetyenziso lokhuseleko olubalulekileyo.

Imibuzo ebuzwa qho

Kutheni usebenzisa iifowuni zangaphandle ezingxamisekileyo endaweni yokuthembela kwiifowuni eziphathwayo kuphela?

Iifowuni ezingxamisekileyo ezilungisiweyo zibonelela ngonxibelelwano oluthe ngqo noluthembekileyo xa ukhuseleko lweselula lubuthathaka, iibhetri zifile, okanye iinethiwekhi zixinene. Zinokudlulisa indawo ecwangcisiweyo kwangaphambili ukuze ithunyelwe, nto leyo enceda abaphenduli ukuba benze ngokukhawuleza.

Luluphi ubushushu ekufuneka ifowuni engxamisekileyo ekwimeko enzima iluxhase?

Kwiindawo ezishushu zangaphandle nezemizi-mveliso, khangela iiyunithi ezilinganiswe ukusebenza rhoqo ukusuka malunga ne-40°C ukuya kwi-+70°C. Oku kunceda ukuqinisekisa ukusebenza okuthembekileyo ngexesha lasebusika elibandayo, ubushushu obuphezulu, kunye notshintsho olukhawulezileyo lobushushu.

Ngawaphi amashishini afuna iifowuni zangaphandle eziqinileyo nezingxamisekileyo?

Abasebenzisi abaqhelekileyo baquka ukumbiwa kwemigodi, ioyile negesi, ezothutho, iintolongo, izibonelelo zaselwandle, iikhampasi, iindawo zokwakha, amagumbi okucoca, kunye nemisebenzi yokhuseleko apho kufuneka unxibelelwano oluthembekileyo kwiindawo ezinengxolo, ezikude, ezinobungozi, okanye ezivezwe.

Zeziphi iimpawu eziphucula ukuthembeka kwemvula, ukufuma, kunye neendawo ezingcolisayo?

Khetha izindlu ezingangeni manzi okanye ezingangeni manzi, iikeypad ezivaliweyo, izinto ezimelana nokugqwala, iibhodi zesekethe ezigqunywe ngendlela ye-conformal, kunye nezinto ezenzelwe ubomi obude benkonzo. Ezi mpawu zinceda ekuthinteleni ukungaphumeleli okubangelwa kukufuma, ukufuma, uthuli, ukuvezwa yi-UV, kunye neegesi ezigqwalisayo.

Ngaba iindawo ezinobungozi zifuna iifowuni zongxamiseko ezingenakugqabhuka?

Ewe. Iindawo ezineegesi ezitshayo, umphunga, okanye uthuli zinokufuna iifowuni ezingenakuqhuma eziqinisekisiweyo kwiindawo ezinobungozi. Iimveliso ezineziqinisekiso ezifanelekileyo ezifana ne-ATEX zinceda ukuxhasa unxibelelwano olukhuselekileyo kwioyile, igesi, iikhemikhali, imigodi, kunye neendawo ezifanayo.