TL;DR

• Bulo mai girman 5.0mm na PCB yana haɗa gibin da ke tsakanin ƙaramin da'irar sarrafawa da rarrabawar masana'antu mai yawan wutar lantarki, wanda ke ɗaukar masu jagoranci na 14AWG zuwa 10AWG ba tare da kayan aiki na musamman ba.
• Matsayin 150A ya dogara ne akan ƙarfin lantarki na ƙarfe na tagulla da kuma ƙarfin juyawar sukurori mai kyau, ba kawai girman jiki ba, kuma kurakuran shigarwar filin sune babban dalilin gazawar da wuri.
• Mannewar sukurori ta fi ƙarfin tashoshin bazara masu turawa a aikace-aikacen nauyin mota saboda girgiza tana haifar da gajiyar bazara, yayin da haɗin sukurori ke riƙe da juriyar hulɗa a ƙarƙashin nauyin 5g na zagaye lokacin da aka kunna shi yadda ya kamata.
• Takaddun shaida biyu ga duka UL 1059 da IEC 60947-7-1 ya zama dole don rarrabawa a duk duniya, amma tubalan tashar CE kawai suna fuskantar ƙin amincewa a cikin tsarin 480V na Arewacin Amurka inda lambobin gida ke buƙatar alamun sassa da aka sani.
• Gwajin rayuwa mai sauri a ƙarƙashin ƙa'idodin girgiza da zagayowar zafi na IEC 60068-2-6 ya nuna cewa sassauta sukurori, ba lalata kayan abu ba, shine mafi girman yanayin gazawa a cikin ɗakunan matsewa da allunan sarrafa motoci na waje.

Idan ka buɗe allon sarrafa mota a kowace cibiyar masana'antu, sashen rarraba wutar lantarki sau da yawa yana kama da bango na tubalan kore da launin toka da aka ɗora a kan layin dogo na DIN. Injiniyoyi suna ƙayyade waɗannan tubalan tashar ta hanyar ƙimar yanzu da kuma ƙararrawa ba tare da tunani sosai ba. Wannan kuskure ne. Nau'in ƙararrawa na 5.0mm ya mamaye wani takamaiman wuri a cikin tubalan tashar sukurori na PCB wanda ke tsakanin tazara mai tsayin 3.5mm na wayoyi masu sigina da tazara mai girman 7.5mm ko 10mm na rarraba wutar lantarki mai ƙarfi. Wannan wuri ne mai daɗi don rarraba wutar lantarki saboda yana ɗaukar ma'aunin waya waɗanda ke ɗauke da wutar lantarki mai ma'ana yayin da yake kula da yanayin PCB-mount wanda masu ƙira ke so. Ƙarfin wutar lantarki na 150A da masana'antun kamar Ningbo J-Guang Electronics suka yi iƙirarin ba shi da son rai. Yana nuna zaɓin kayan aiki, yanayin sukurori, da zato na sarrafa zafi wanda ke rushewa idan yanayin shigarwa ya bambanta da yanayin gwaji. Na shafe shekaru ina kallon ƙungiyoyin sayayya suna zaɓar tubalan tashar bisa ga farashin kowace sanda yayin da nake watsi da yanayin filin da ke tantance ko waɗannan sandunan sun tsira shekaru biyar ko watanni biyar. Gibin da ke tsakanin ƙimar kasida da aikin gaske shine inda yawancin gazawar rarrabawa suka samo asali.

Me yasa 5.0mm shine Mafi kyawun Rarraba Masana'antu

Fitilar 5.0mm ta fito a matsayin sulhu. Ƙananan fitilolin ba za su iya ɗaukar ma'aunin waya ko yawan wutar lantarki da ake buƙata don rarraba wutar lantarki ba. Manyan fitilolin suna ɓatar da kadarorin PCB kuma suna ƙara sawun gaba ɗaya na kwamitin sarrafawa. Ga masana'antun da ke niyya ga sarrafa motoci na masana'antu, sarrafa kansa na gini, da inverters na makamashi mai sabuntawa, tazarar 5.0mm tana wakiltar daidaito tsakanin buƙatun tazarar lantarki da yawan injina. Nisan rarrafe da sharewa a wannan fitilar sun isa ga tsarin 1000V da ke ƙarƙashin IEC 60947-7-1 lokacin da aka kimanta kayan tushe yadda ya kamata, shi ya sa wannan ma'aunin ya yi magana musamman game da tubalan ƙarshe don kayan aikin masana'antu tare da ƙimar ƙarfin lantarki har zuwa 1000V.

Daidaita Ma'aunin Waya: 14AWG zuwa 10AWG Ba tare da Gyaran Kayan Aiki ba

Ɗaya daga cikin fa'idodin amfani da ƙarfin bututun 5.0mm shine kewayon waya da yake karɓa ba tare da tilasta wa mai sakawa ya canza mayukan crimping ko tsawon tsiri ba. Jerin tubalan tashoshi guda ɗaya na iya ɗaukar masu jagoranci 14AWG don siginar sarrafawa da masu jagoranci 10AWG don masu ciyar da wutar lantarki. Wannan yana da mahimmanci a farfajiyar shagon. Idan mai gyaran lantarki yana buƙatar dakatar da wani faifan gauraye tare da sigina da wayoyi na wutar lantarki, amfani da dangin tubalan tashoshi ɗaya yana rage kayan aiki da horo a kan gaba. Tsarin matse sukurori a cikin tsari na yau da kullun 5.0mm pitch PCB sukurori block yana amfani da ƙirar keji mai tasowa wanda ke ɗaga jagoran a kan sandar da ke aiki yayin da sukurori ke matsewa. Wannan ƙirar tana karɓar waya mai ƙarfi, waya mai kauri, da masu jagoranci masu feruled ba tare da kayan haɗin adafta ba, shi ya sa girman 5.0mm ya mamaye ayyukan gyara inda nau'ikan waya da ke akwai ba a iya faɗi ba.

Bukatun IEC 60947-7-1 na Rarrafe da Tsaftacewa a 1000V

Rarrafe da sharewa ba su da ma'ana. A 1000V, walƙiya tsakanin sandunan da ke kusa da juna na iya lalata dukkan taron PCB. Ramin 5.0mm yana samar da kusan 5mm na tazara tsakanin sassan da ke aiki, wanda ya cika buƙatun sharewa don nau'in ƙarfin lantarki na III a 1000V a cikin muhalli mai tsabta. Nisa mai rarrafe a saman filastik ya fi tsayi saboda yanayin toshewar ƙarshe ya haɗa da shinge ko ramuka waɗanda ke tilasta hanyar zubewa zuwa zigzag. Wannan shine dalilin da ya sa masana'antun ke ƙayyade ƙimar gurɓataccen yanayi 2 ko 3 dangane da ƙirar gidaje. Na ga an sanya bangarori a wuraren noma inda tarin ƙura ya rage ingantaccen nisan rarrafe a cikin shekaru biyu, yana haifar da gazawar bin diddigin abubuwan da ƙirar asali ba ta zata ba. Ma'aunin yana ɗaukar yanayin da aka sarrafa. Gaskiya ba ta da alaƙa sosai.

Ƙarfin 150A na Yanzu: Kimiyyar Kayan Aiki Bayan Ƙimar

Ba shawara ba ce ta ƙimar 150A. Iyakar zafi ce da aka ƙididdige a ƙarƙashin takamaiman yanayi: zafin yanayi na 40°C, hawa layi ɗaya, kuma babu hanyoyin zafi da ke kusa. Canza duk wani daga cikin waɗannan masu canji kuma ƙarfin gaske yana raguwa. Sandar yanzu da ke cikin toshewar ƙarshe yawanci ƙarfe ne na tagulla ko na jan ƙarfe, kuma bambancin watsawa yana da mahimmanci. Haɗin tagulla mai kashi 60% na jan ƙarfe yana ɗaukar kusan kashi 75% na watsawa na jan ƙarfe mai tsarki. A 150A, wannan gibin kashi 25% yana fassara zuwa ƙarin dumama joule a cikin toshewar ƙarshe inda zafin ba zai iya ɓacewa cikin sauƙi ba. Sukurori da kansa galibi ƙarfe ne tare da farantin zinc, wanda shine maƙurar zafi saboda ƙarfe yana gudanar da zafi mara kyau idan aka kwatanta da jan ƙarfe. Hawan zafin jiki a wurin hulɗa tsakanin waya da sandar yanzu shine inda gazawa ke farawa. Ma'aunin IEEE don kayan aikin rarraba wutar lantarki suna ba da ƙarin jagora kan sarrafa zafi da lissafin yawan wutar lantarki wanda ya dace da ƙayyadaddun kayan IEC.

Tagulla da Tagulla da kuma Canjin Inji

Tagulla ta mamaye masana'antar toshewar tashar jiragen ruwa saboda tana aiki da kyau, tana tsayayya da tsatsa, kuma ta fi jan ƙarfe araha. Canjin shine juriya. A cikin nauyin 150A mai ci gaba, sandar wutar lantarki ta tagulla mai sashe na 2.5mm zai yi zafi fiye da sandar jan ƙarfe mai daidai. Bambancin ba mummunan abu bane, amma yana taruwa. A cikin allon da ke da tubalan ƙarshe guda hamsin da ke ɗauke da wutar lantarki mai kusan ƙima, nauyin zafi mai tarin yawa na iya ɗaga zafin jiki na ciki da 15°C ko fiye, yana kawar da kowane tubalan a lokaci guda. Sandunan wutar lantarki ta tagulla suna samuwa a cikin jerin farashi mai kyau, amma suna da tsada kuma suna buƙatar plating nickel don hana iskar shaka. Nakasa a ƙarƙashin ƙarfin sukurori wani abu ne. Tagulla tana samarwa a ƙasan ƙarfin juyi fiye da jan ƙarfe, wanda ke nufin matsewa fiye da kima yana lalata haɗin zaren kuma yana haifar da haɗin gwiwa mai sassauƙa watanni shida bayan haka. Na rushe tubalan tashar da suka gaza inda aka murƙushe zaren tagulla a bayyane. Mai sakawa ya yi amfani da ƙarfin juyi iri ɗaya da ya yi amfani da shi ga tubalan ƙarfe. Kayan bai yafe wannan zato ba.

Bayanan Ƙarfin Ƙarfin Sikiri da Kurakurai Shigar da Fili

Yanayin gazawa da aka fi sani a cikin tubalan tashar sukurori shine ƙarƙashin ƙarfin juyi ko over-torque. Ƙarƙashin ƙarfin juyi yana barin tazara tsakanin mai jagora da sandar yanzu. Juriyar hulɗa tana ƙaruwa, dumama na gida yana hanzarta iskar shaka, kuma haɗin gwiwa daga ƙarshe ya lalace ta hanyar guduwar zafi. Ƙarƙashin ƙarfin juyi yana yanke zare, yana canza mai jagora, ko kuma yana fasa gidan. Bayanin ƙarfin juyi da aka buga akan takardar bayanai yawanci shine 0.5 zuwa 0.8 Nm don tubalan firam na 5.0mm. Yawancin masu wutar lantarki ba su da sukudireba mai ƙarfin juyi wanda aka daidaita a cikin mita Newton. Suna matsewa har sai ya ji matsewa. Wannan hukuncin da aka yanke ba daidai ba ne kusan kashi ɗaya bisa uku na lokaci, bisa ga binciken da na yi na ma'aikatan gyara. Kuskuren shigarwa a filin shine sirrin datti na masana'antar toshe tashar. Masana'antun suna ɗaukar cikakken shigarwa. Masu ginin panel sun san mafi kyau.

Matsewar Sukurori da Bugawa a Lokacin Bazara: Cinikin Girgiza

Tashoshin bazara masu turawa sun fi sauri a shigar. Wannan shine cikakken ƙimar su. Kuna cire wayar ku tura ta ciki. Babu sukudireba, babu damuwa game da karfin juyi, babu cire zare. Canjin shine ƙarfin halin yanzu da juriyar girgiza. Hulɗar bazara ta dogara ne akan ƙarfin injiniya mai ɗorewa da aka yi amfani da shi ta hanyar manne ƙarfe na bazara. Wannan ƙarfin ya isa ga shigarwar tsaye a cikin yanayin da yanayi ke sarrafawa. A cikin allunan sarrafa motoci na masana'antu, girgiza shine abokin gaba. Matsewa, famfo, da jigilar kaya suna haifar da girgiza mai ci gaba wanda ke gajiyar da ƙarfe na bazara akan lokaci. Ƙarfin hulɗa yana raguwa. Juriyar hulɗa yana ƙaruwa. Daga ƙarshe haɗin gwiwa ya gaza. Mannewar sukudi tana kula da ƙarfin hulɗa ta hanyar matsewa na injiniya na mai gudanarwa akan sandar yanzu. Haɗin sukudi mai juyi da kyau ba ya sassauta ƙarƙashin girgizar 5g saboda gogayya a cikin haɗin zaren ya wuce ƙarfin motsawar girgiza. Wannan ba ka'ida ba ce. Shi ya sa ɗakunan matsewa har yanzu suna amfani da tashoshin sukudi kusan kawai.

Tanadin Lokaci da Sadaukarwa da Ƙarfin Aiki na Yanzu

Tashar turawa tana adana kusan daƙiƙa 8 a kowace waya idan aka kwatanta da tashar sukurori. A cikin allon da ke da ƙarewa 200, wannan shine mintuna 27 na aiki. Ga masu gina allon da ke da girma sosai, tanadin aiki na gaske ne. Amma ƙarfin halin yanzu yana ƙasa. Lambobin bazara suna da iyakataccen yanki na hulɗa idan aka kwatanta da faɗin matsewar saman maƙallin sukurori. A 150A, yankin hulɗar bazara zai buƙaci ya zama babba ba zato ba tsammani don kiyaye yawan kwararar lantarki mai aminci. Yawancin tashoshin turawa suna kan 32A ko 41A saboda wannan dalili. Matsakaicin 5.0mm tare da ƙimar 150A ba a samunsa a cikin sigar turawa. Ilimin kimiyyar lissafi bai yarda da shi ba. Maɓuɓɓugar ruwa za ta buƙaci ta yi girma sosai har gidan ba zai ƙara dacewa da tazara ta 5.0mm ba. Wannan shine dalilin da ya sa rarraba wutar lantarki a wannan matakin halin yanzu ya kasance yankin maƙallin sukurori.

Aikace-aikacen Load na Mota: Me yasa Matsewar Sukurori ke Rasa Girgizar 5g

Allon sarrafa motoci suna fuskantar mummunan yanayin girgiza a cikin shigarwar wutar lantarki na masana'antu. Motar da ke aiki da ƙarfin dawaki 50 da ke aiki a 1800 RPM tana haifar da girgizar asali a 30 Hz, tare da harmonics daga lalacewa da rashin daidaiton bel. A'A Ka'idoji don cibiyoyin sarrafa motoci sun fahimci wannan ta hanyar ƙayyade buƙatun juriya ga girgiza waɗanda ke fassara zuwa ka'idojin zaɓin tubalan ƙarshe. Toshewar tashar sukurori mai girman 5.0mm da ingantaccen rage matsin lamba na waya na iya jure girgizar sinusoidal ta 5g a ƙarƙashin IEC 60068-2-6 gwaji saboda ƙarfin matsewa yana tsaye kuma baya dogara da halayen gajiya mai laushi. Tashoshin bazara, akasin haka, suna fuskantar damuwa ta zagaye akan sinadarin bazara da kanta. Kowace zagayowar girgiza tana lodawa da sauke bazara ta hanyar microscopic. Sama da zagayowar miliyan ɗaya, wanda injin ke cimmawa cikin 'yan makonni na aiki, anneales na bazara ko fashe-fashe. Rashin nasarar ba nan take ba ne. Ragewa ne a hankali wanda ke bayyana azaman ƙarar juriyar hulɗa ta lokaci-lokaci, sannan dumama, sannan ƙonewa. Tashar sukurori ba ta da maɓuɓɓugar zuwa gajiya. Wannan shine babban fa'idarsa a cikin nauyin mota.

Bukatun Takaddun Shaida don Fitar da Rarraba Wutar Lantarki ta Duniya

Fitar da kayan aikin rarraba wutar lantarki yana buƙatar bin diddigin buƙatun takaddun shaida waɗanda suka bambanta ta yanki da kuma ta hanyar aikace-aikacen. Toshewar tashar wani ɓangare ne, ba samfurin ƙarshe ba, amma dole ne ya ɗauki ma'auni masu dacewa ko kuma duk taron ya gaza dubawa. Don rarrabawa a duniya, tsarin takaddun shaida guda biyu mafi rinjaye sune UL 1059 don Arewacin Amurka da IEC 60947-7-1 ga sauran duniya. Ba za a iya musanya su ba. Toshewar tashar da aka tabbatar da ƙa'idodin IEC ba ta cika buƙatun UL ta atomatik, kuma akasin haka. Ka'idojin gwajin sun bambanta a cikin shirye-shiryen waya, tsawon lokacin zagayowar yanzu, da buƙatun juriyar wuta. Takaddun shaida biyu yana yiwuwa amma yana da tsada. Mai ƙera yana biyan shirye-shiryen gwaji guda biyu, binciken masana'antu guda biyu, da kuma kuɗin sa ido na ci gaba ga hukumomin biyu. Ga kamfani kamar Ningbo J-Guang Electronics, shawarar bin takaddun shaida biyu ya dogara ne akan haɗin fitarwa. Idan kasuwar da aka nufa galibi Turai da Kudu maso Gabashin Asiya ne, takardar shaidar IEC kaɗai na iya isa. Idan an shirya rarrabawa Arewacin Amurka, gane UL dole ne.

UL 1059 da IEC 60947-7-1: Kudin Takaddun Shaida Biyu da Tsarin Lokaci

The UL 1059 Ma'auni don tubalan tashoshi yana buƙatar gwajin hauhawar zafin jiki sau 1.2 na ƙimar wutar lantarki na wani takamaiman lokaci, tare da gwajin juriya na dielectric a 2200V na minti 1. Shirya waya yana amfani da takamaiman nau'ikan jagora waɗanda ƙila ba su dace da waya mai sassauƙa da aka saba amfani da ita a cikin shigarwar Turai ba. IEC 60947-7-1 yana amfani da irin wannan dabarar gwaji amma nau'ikan waya daban-daban da sigogin tsawon lokaci. Tsarin takaddun shaida biyu yawanci yana ɗaukar makonni 12 zuwa 16 idan hukumomin biyu suka gwada dangin samfurin iri ɗaya a lokaci guda. Kudin yana kusan $15,000 zuwa $25,000 a kowane jerin samfura don takardar shaidar farko, tare da kuɗin sa ido na shekara-shekara na $3,000 zuwa $5,000 a kowane maki. Ga masana'antar toshe tashoshi mai faffadan fayil, wannan tsarin farashi yana tilasta zaɓin dabaru game da wane jerin za a tabbatar. Faɗin 5.0mm tare da ƙimar 150A jerin fifiko ne don takardar shaidar dual saboda yana nufin rarraba wutar lantarki na masana'antu, inda buƙatun duniya ya fi ƙarfi kuma shingayen ƙa'idoji sun fi yawa.

Tubalan Tashar CE-Kawai da Hadarin Kin Amincewa da 480V na Arewacin Amurka

Alamar CE kaɗai ba ta ba da damar shiga kasuwa a Arewacin Amurka ba. Duk da haka har yanzu ina ganin masu ginin kwamitocin Turai suna ƙoƙarin fitar da tubalan tashar CE kawai zuwa Amurka da Kanada, idan aka yi la'akari da cewa alamar CE tana ɗauke da amincewa ta juna. Ba haka take ba. A Arewacin Amurka, tsarin masana'antu na 480V daidaitacce ne. Lambobin lantarki na gida suna buƙatar a lissafa ko a amince da sassan ta hanyar Dakin Gwaji na Ƙasa (NRTL), yawanci UL ko CSA. Hukuma Mai Iko (AHJ) za ta ƙi toshewar tashar CE kawai yayin dubawa. Mai ginin kwamitocin dole ne ko dai ya maye gurbin tubalan tashar ko ya nemi kimanta filin, wanda ya fi tsada fiye da takardar shaida kuma yana haifar da jinkiri ga aiki. Na shaida wannan kuskuren ya kashe wa masana'antar Turai kwangilar dala miliyan 2 saboda tubalan tashar sun isa wurin kuma mai duba ya ƙi karɓar su. Alamar CE ba fasfo na duniya ba ce. Bayanin bin ƙa'ida ne na yanki tare da takamaiman iyaka. Masu siyan tubalan tashar waɗanda ke aiki a duk duniya dole ne su tabbatar da fayil ɗin alamar kafin su sanya odar.

Girgiza da Keke Mai Zafi: Gwajin Rayuwa Mai Sauri

Gwajin dakin gwaje-gwaje ba ya kwaikwayon gaskiya, amma yana iya hasashen yanayin gazawa idan aka zaɓi ƙa'idodin gwaji cikin hikima. Ga tubalan ƙarshe a cikin rarraba wutar lantarki ta masana'antu, gwaje-gwajen gaggawa guda biyu mafi dacewa sune girgiza da zagayowar zafi. Gwajin girgiza yana bin IEC 60068-2-6, wanda ke ƙayyade girgizar sinusoidal daga 5 Hz zuwa 150 Hz a matakan hanzari da aka ƙayyade. Gwaje-gwajen zagayowar zafi suna canzawa tsakanin matsanancin zafi mai girma da ƙarancin zafi, yawanci -40°C zuwa +85°C ga samfuran masana'antu, tare da lokutan zama waɗanda ke ba da damar kayan su isa daidaiton zafi. Haɗin waɗannan gwaje-gwajen yana nuna yanayin gazawa wanda gwajin damuwa ɗaya ya rasa. Toshewar ƙarshe da ke wucewa girgiza a zafin ɗaki na iya gazawa lokacin da aka yi amfani da wannan girgiza a 85°C saboda rufin filastik yana laushi kuma haɗin zare yana sassauta.

Yarjejeniyar Gwajin Girgiza ta IEC 60068-2-6 da Bayanan Ɗakin Matsewa na Duniya na Gaske

Tsarin gwajin IEC 60068-2-6 tushe ne, ba rufi ba. Dakunan damfara na gaske galibi sun wuce yanayin gwaji. Madamfara mai daidaitawa a cikin injin sanyaya na iya haifar da kololuwar girgiza a 10g a allon hawa, wanda aka mai da hankali a takamaiman mitoci waɗanda suka dogara da saurin madamfara da tsarin silinda. Tubalan ƙarshe da aka ɗora akan ƙarfe ɗaya na tsari suna jin wannan girgiza ta cikin firam ɗin panel. Bayanan filin daga masana'antun sanyaya sun nuna cewa tubalan ƙarshen sukurori tare da matakin 5.0mm da ingantaccen rage matsin lamba na waya suna fuskantar ƙarancin ƙarancin kashi 1% na gazawar tsawon shekaru biyar. Tubalan ƙarshen bazara a cikin yanayi ɗaya suna nuna ƙimar gazawar kashi 8% zuwa 12% a cikin lokaci ɗaya. Bambancin ba shine gwajin da aka saba ba. Bambancin shine gefen da ke tsakanin gwajin da aka saba da muhalli na gaske. Mannewar sukurori tana ba da wannan gefen. Tashoshin bazara ba sa yin hakan.

Yanayin Rashin Tsarin Keke Mai Zafi: Daga Sassauta Sukurori zuwa Juriyar Hulɗa

Kewayawar zafi tana haifar da gazawa ta hanyar faɗaɗa zafi daban-daban. Sukurorin ƙarfe, sandar wutar tagulla, da kuma mai jagoran jan ƙarfe duk suna faɗaɗa a matakai daban-daban yayin da yanayin zafi ke canzawa. A cikin haɗin gwiwa mai juyi yadda ya kamata, matsewar roba na kayan yana ɗaukar wannan faɗaɗawar bambanci. Lokacin da haɗin gwiwa bai yi juyi ba, zagayawar zafi tana haifar da ƙaramin motsi tsakanin mai jagoran da sandar wutar. Fuskar hulɗa tana yin oxidize. Juriyar hulɗa tana ƙaruwa. Haɗin yana aiki mafi zafi a lokacin zagaye na gaba. Tsarin yana ƙaruwa. A cikin gwaje-gwajen zagayawar zafi, haɗin gwiwa mara juyi mara kyau zai iya kaiwa kashi 150% na juriyar hulɗarsa ta farko a cikin zagayawar 500. Haɗin gwiwa mai juyi da kyau yana nuna ƙasa da kashi 10% na ƙaruwa bayan zagayawar 1000. Yanayin gazawa ana iya hasashensa. Rigakafin yana da tabbas iri ɗaya: ƙarfin juyi mai kyau da kuma shiri mai kyau na waya. Matsalar ita ce hasashen ba ya ba da garantin aiwatarwa a ƙasan masana'anta.

Yadda Ake Ƙayyade Tubalan Tashar don Gyaran Bangon Kula da Mota

Ayyukan Retrofit suna sanya ƙuntatawa waɗanda sabbin ƙira ba sa yi. Tsawon waya da ake da shi an gyara shi. An gyara yankewar panel. Ana auna taga lokacin aiki cikin awanni, ba kwanaki ba. Lokacin ƙayyade tubalan tashar don sake fasalin panel na sarrafawa, ƙuntatawa ta farko ita ce daidaitawar girma. Idan tubalan tashar da ake da su suna da girman 5.0mm, maye gurbin dole ne ya dace ko kuma tsarin PCB ya canza. Taƙaitawa ta biyu ita ce ma'aunin waya. Masu jagoranci na yanzu na iya zama 10AWG ko 12AWG, kuma maye gurbin dole ne ya karɓe su ba tare da sake ƙarewa ba. Taƙaitawa ta uku ita ce ƙarfin halin yanzu. Gyara ba zai iya rage ƙimar ba. Idan allon asali ya yi amfani da tubalan tashar 150A don da'irar ciyarwa, maye gurbin dole ne ya dace da wannan ƙarfin. Taƙaitawa ta huɗu ita ce takardar shaida. Idan panel yana cikin wurin da aka tsara, tubalan tashar maye gurbin dole ne su ɗauki alamomi iri ɗaya da na asali. Masu gina panel suma ya kamata su tabbatar da cewa taron PCB ya cika. IPC-A-610 Ka'idojin karɓuwa ga haɗin solder da haɗa sassan, tunda toshewar tashar yana da inganci kamar PCB ɗin da yake ɗorawa. Toshewar tashar sukurori ta PCB mai girman 5.0mm tare da ƙimar 150A da takaddun shaida biyu galibi shine kawai zaɓin da ke biyan duk ƙa'idodi huɗu a lokaci guda. Shi ya sa kayan kaya ne na yau da kullun ga masu rarrabawa waɗanda ke hidimar kasuwar kula da masana'antu.

Tambayoyin da ake yawan yi akai-akai

Menene matsakaicin ma'aunin waya don toshe tashar pitch 5.0mm?

Yawancin tubalan tashar sukurori na PCB mai girman 5.0mm suna karɓar har zuwa masu jagoranci na 10AWG (6mm²). Wasu jerin tare da gidaje masu tsayi suna ɗaukar nauyin 8AWG (10mm²), amma matsakaicin kewayon shine 14AWG zuwa 10AWG. Duba takamaiman takardar bayanai don kewayon waya.

Zan iya amfani da ferrules tare da tubalan tashar sukurori?

Eh. Ferrules suna inganta ingancin ƙarewa ga masu tuƙa da ba a haɗa su ba kuma suna hana yaɗuwar zare. Tsarin matse sukurori a yawancin tubalan 5.0mm an tsara shi ne don karɓar masu tuƙa da ba a gyara ba. Diamita na ferrule dole ne ya dace da kewayon waya na toshewa.

Me yasa toshewar tashar tawa ke aiki da zafi a 80A lokacin da aka kimanta ta akan 150A?

Matsayin 150A yana ɗaukar takamaiman yanayi: yanayin 40°C na yanayi, hawa mai layi ɗaya, da kuma ƙarfin juyi mai kyau. Idan allon ya cika makil, yanayin ya fi girma, ko ƙarfin juyi bai dace ba, ƙarfin gaske yana raguwa. Auna zafin jiki da thermocouple a wurin hulɗa. Idan ya wuce 45°C sama da yanayin yanayi, a bincika yanayin shigarwa kafin a ɗora wa samfurin laifi.

Shin ina buƙatar takaddun shaida biyu don fitarwa zuwa Mexico?

Mexico ta amince da ka'idojin NOM da na ƙasashen duniya. Ga kayan aikin masana'antu, ana buƙatar takardar shaidar NOM, amma galibi ana iya amfani da tubalin ƙarshe tare da shaidar UL a matsayin wani abu da aka sani a cikin taron da NOM ta amince da shi. Takamaiman buƙatun ya dogara da nau'in samfurin ƙarshe. Tuntuɓi hukumar ba da takardar shaida ta gida don samun jagora mai ma'ana.

Wane sukudireba mai ƙarfin juyi ya kamata in yi amfani da shi don tubalan tashar pitch 5.0mm?

Sukudireba mai ƙarfin juyi mai kewayon 0.1 zuwa 1.0 Nm ya dace. Matsakaicin ƙayyadaddun bayanai shine 0.5 zuwa 0.8 Nm. Kada a yi amfani da direban wutar lantarki mai riƙe da zamewa sai dai idan an daidaita kuma an tabbatar da maƙullin, saboda girgizar direban na iya sassauta tashoshin da ke kusa.

Nassoshin Samfura

Tubalan tashar da aka tattauna a cikin wannan labarin suna samuwa daga Ningbo J-Guang Electronics. Tashar tashar sukurori ta PCB 301-5.0 Jerin yana da ƙarfin lantarki na 5.0mm, ƙarfin lantarki na 150A, da kuma ƙarshen matsewar sukurori da ya dace da aikace-aikacen rarraba wutar lantarki na masana'antu. Don cikakken kewayon samfura, gami da madadin madaidaitan ... kundin samfura.