Kamar yadda relays shine mafi yawan abubuwan sarrafawa da ake amfani da su a cikin kulawar da ba ta dace ba, yana da mahimmanci a fahimtarelay contact kayanda tsawon rai.Zaɓin relays tare da ingantattun kayan tuntuɓar juna da tsawon rai na iya rage farashin kulawa da ƙananan ƙimar gazawar kayan aiki.
Maƙasudi na gabaɗaya da isar da wutar lantarki yawanci suna da tsawon rayuwar wutar lantarki na aƙalla ayyuka 100,000, yayin da tsawon rayuwar injina na iya zama 100,000, 1,000,000 ko ma ayyuka biliyan 2.5.Dalilin da ya sa rayuwar lantarki ta yi ƙasa sosai idan aka kwatanta da rayuwar injina shine cewa rayuwar sadarwar ta dogara da aikace-aikace.Ƙididdiga na lantarki ya shafi lambobin sadarwa waɗanda ke canza nauyin nauyin nauyin su, kuma lokacin da saitin lambobin sadarwa ya canza nauyi fiye da ƙimar ƙima, rayuwar sadarwar na iya yin tsayi sosai.Misali, 240A, 80V AC, 25% PF lambobin sadarwa na iya canza nauyin 5A sama da ayyuka 100,000.Koyaya, idan ana amfani da waɗannan lambobin sadarwa don sauyawa (misali: 120A, 120VAC masu tsayayya), rayuwar na iya wuce ayyuka miliyan ɗaya.Hakanan ƙimar rayuwar lantarki tana la'akari da lalacewar baka ga lambobin sadarwa, kuma ta amfani da madaidaicin murƙushe baka, za'a iya tsawaita rayuwar tuntuɓar.
Rayuwar tuntuɓar sadarwa ta ƙare lokacin da lambobin sadarwa suka tsaya ko walƙiya, ko lokacin da ɗaya ko duka biyun lambobin sadarwa suka rasa abin da ya wuce kima kuma ba za a iya samun kyakkyawar hulɗar lantarki ba, sakamakon haɗaɗɗun kayan canja wuri yayin ci gaba da ayyukan sauya sheka da asarar kayan saboda spattering.
Ana samun lambobin sadarwa na relay a cikin nau'ikan karafa da gami, girma da salo, kuma zaɓin lambobin sadarwa yana buƙatar la'akari da kayan, ƙima da salon don biyan buƙatun takamaiman aikace-aikacen daidai gwargwadon iko.Rashin yin haka na iya haifar da matsalolin tuntuɓar ko ma gazawar tuntuɓar da wuri.
Dangane da aikace-aikacen, ana iya yin lambobi tare da gami kamar palladium, platinum, zinariya, azurfa, azurfa-nickel, da tungsten.Mafi yawan abubuwan haɗin gwal na azurfa, cadmium oxide na azurfa (AgCdOda azurfa tin oxide (AgSnO), da azurfa indium tin oxide (AgInSnO) ana amfani da su sosai a cikin maƙasudin gabaɗaya da kuma relays na wutar lantarki don matsakaita zuwa babban canji na yanzu.
Silver Cadmium Oxide (AgCdO) ya zama sananne sosai saboda kyakkyawan yazawar sa da juriya na solder da kuma ƙarfin wutar lantarki da ƙarfin zafi. da juriya na tuntuɓar kusa da na azurfa (ta yin amfani da matsananciyar lamba mafi girma), amma saboda juriya na solder na asali da kaddarorin kashe cadmium oxide, yana da kyakkyawan yashwa da juriya na walda.
Abubuwan tuntuɓar AgCdO na yau da kullun sun ƙunshi 10 zuwa 15% cadmium oxide, kuma mannewa ko juriya na solder yana haɓaka tare da haɓaka abun ciki na cadmium oxide;duk da haka, saboda rage ductility, lantarki conductivity ragewa, da sanyi aiki halaye sun ragu.
Azurfa cadmium oxide lambobin sadarwa da post-oxidation ko pre-oxidation na nau'i biyu, pre-oxidation na abu a cikin samuwar lamba batu da aka ciki oxidized, kuma fiye da hadawan abu da iskar shaka na post-oxidation ya ƙunshi ƙarin uniform rarraba cadmium. oxide, na karshen yana kula da sanya cadmium oxide kusa da farfajiyar lamba.Bayan-oxidized lambobin sadarwa iya haifar da surface fatattaka matsaloli idan lamba siffar dole ne a canza muhimmanci bayan hadawan abu da iskar shaka, misali, biyu-ƙarshen, motsi ruwan wukake, C-type lamba rivets.
Azurfa Indium Tin Oxide (AgInSnO) da Silver Tin Oxide (AgSnO) sun zama mafi kyau madadin lambobin AgCdO, kuma an taƙaita amfani da cadmium a cikin lambobin sadarwa da batura a yawancin sassan duniya.Saboda haka, lambobin tin oxide (12%), waɗanda kusan 15% sun fi AgCdO, zaɓi ne mai kyau.Bugu da kari, lambobi oxide na azurfa-indium-tin sun dace da manyan lodi, misali, fitilun tungsten, inda yanayin halin yanzu yayi ƙasa.Ko da yake sun fi juriya ga siyarwa, lambobin AgInSn da AgSn suna da juriya mafi girma (ƙananan aiki) fiye da lambobin Ag da AgCdO.Saboda juriyar siyar da su, lambobin sadarwa na sama sun shahara sosai a cikin masana'antar kera, inda 12VDC inductive lodi sukan haifar da canja wurin kayan aiki a cikin waɗannan aikace-aikacen.
Lokacin aikawa: Afrilu-01-2024