Lapho usebenza ngezinhlelo zikagesi, ikakhulukazi ezindaweni lapho amanzi noma umswakama ukhona, kubalulekile ukukhetha izixhumi zekhebula ezifanele. Into eyodwa ebalulekile ekukhetheni izixhumi ukuqonda isilinganiso sazo se-IP (Ingress Protection). Lesi silinganiso sibonisa ukuthi isixhumi sivikelwe kahle kangakanani othulini, emanzini, nakwezinye izinto zangaphandle. Kulesi sihloko, sizohlola ukuthi izilinganiso ze-IP zisho ukuthini nokuthi ungakhetha kanjani okulungileisixhumi esingangeni manzingemishini yakho ene-low-voltage.
Ukuqonda Izilinganiso ze-IP
Izilinganiso ze-IP zichazwa yi-International Electrotechnical Commission (IEC) futhi zinezinombolo ezimbili. Idijithi yokuqala imele isivikelo ezintweni eziqinile (njengothuli), kanti idijithi yesibili ikhombisa ukuvikelwa oketshezini (njengamanzi). Isibonelo, isilinganiso se-IP68 sisho ukuthi isixhumi sivikeleke ngokugcwele ekungeneni kothuli futhi singamelana nokucwiliswa isikhathi eside emanzini.
Izilinganiso Ze-IP Ezivamile Zezixhumi Zekhebula
• IP65: Lesi silinganiso sikhombisa ukuvikelwa ekungeneni kothuli namajethi amanzi. Izixhumi ezinalesi silinganiso zilungele ukusetshenziswa ngaphandle lapho zingachayeka khona emvuleni noma emanzini ashafazayo.
• IP67: Lezi zixhumi zivikelekile othulini futhi zingamelana nokucwiliswa kwesikhashana emanzini (kufika kumitha elingu-1 imizuzu engu-30). Zilungele izinhlelo zokusebenza lapho ukungena kwamanzi kuwukukhathazeka.
• IP68: Lesi isilinganiso esiphezulu sezixhumi ezingangeni manzi, okubonisa ukuvikeleka othulini kanye nokucwiliswa emanzini okuqhubekayo. Izixhumi ezinesilinganiso se-IP68 zifanele ukusetshenziswa ngaphansi kwamanzi noma izindawo ezinokuchayeka okubalulekile kwamanzi.
Ukukhetha Isixhumi Esingena Manzi Esilungile
Uma ukhetha isixhumi sekhebula elingangeni manzi semishini ene-low-voltage, cabangela izici ezilandelayo:
• Izimo Zemvelo: Hlola indawo lapho isixhumi sizosetshenziswa khona. Uma isixhumi sizovezwa emanzini, khetha isilinganiso se-IP esiphezulu njenge-IP67 noma i-IP68.
• I-Voltage kanye Neyamanje: Qinisekisa ukuthi isixhumi silinganiselwe amandla kagesi kanye nezidingo zamanje zohlelo lwakho lokusebenza. Emishinini yamandla aphansi, izixhumi ezinesilinganiso sikagesi esingu-450V kanye nezilinganiso zamanje ze-15A kuya ku-17.5A zivame ukusetshenziswa.
• Ukuhambisana Kwekhebula: Khetha izixhumi ezihambisana namasayizi wekhebula owasebenzisayo. Isibonelo, izixhumi zingamukela izintambo eziqinile noma eziguquguqukayo ukusuka ku-0.5 mm² ukuya ku-2.5 mm².
• Uhlobo Lokufaka: Khetha phakathi kwezixhumi ezingaphakathi komugqa zoxhumo oluqondile lwekhebula kuya kukhebula noma izixhumi zokukhweza zephaneli ukuze zigxunyekwe kumaphaneli wezinto zokusebenza.
Izibonelo Ezisebenzayo
Emishinini ene-voltage ephansi ezindaweni ezingaphandle, isixhumi esilinganiselwe se-IP67 singase sanele. Lezi zixhumi zingakwazi ukubhekana nokuchayeka kwamanzi kwesikhashana futhi azibambi uthuli. Nokho, uma uhlelo lwakho lokusebenza lubandakanya ukuchayeka kwamanzi okuqhubekayo, njengokufakwa ngaphansi kwamanzi, isixhumi esilinganiselwe se-IP68 siyadingeka.
Ukunakekela kanye Nokuhlola
Ukuqinisekisa ukuphila isikhathi eside nokuthembeka kwezixhumi zakho zekhebula ezingangeni manzi, ukunakekelwa okuvamile nokuhlolwa kubalulekile. Bheka noma yiziphi izimpawu zokuguga, ukulimala, noma ukuvuza. Shintshanisa noma yiziphi izimpawu ezilimele noma izixhumi ngokushesha ukuze ugcine isilinganiso se-IP futhi uvimbele izinkinga zikagesi.
Isiphetho
Ukuqonda izilinganiso ze-IP kubalulekile lapho ukhetha izixhumi zekhebula ezingangeni manzi zemishini enevoltage ephansi. Ngokukhetha izixhumi ezinesilinganiso se-IP esifanele, ungaqinisekisa ukuthi amasistimu akho kagesi ahlala evikelekile othulini nasekungeneni kwamanzi. Cabangela izimo zemvelo, i-voltage kanye nezidingo zamanje, ukuhambisana kwekhebula, nohlobo lokufaka lapho ukhetha izixhumi zakho. Ngokukhetha okulungile, ungathuthukisa ukuthembeka nokuphepha kokufakwa kwakho kukagesi.
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Isikhathi sokuthumela: Mar-31-2025