Matsayin zafi na shigarwa na haɗin haɗin hotovoltaic mc4: Crimping

Tare da saurin haɓakar da aka rarraba, musamman kasuwar photovoltaic na gida a cikin 'yan shekarun nan, matsalolin ingancin tsarin tsarin hoto sun zama mafi girma.Wuta a cikin tsarin photovoltaic ba kawai zai haifar da lafiyar mutum ba, amma kuma yana da mummunar tasiri a kan masana'antu.Dangane da rahotannin bincike na ƙasashen waje, haɗa haɗin haɗin haɗin haɗin haɗin haɗin haɗin gwiwa da shigarwar haɗin haɗin da ba bisa ka'ida ba shine matsayi na farko da na uku na haddasa gobara.Wannan labarin yana mai da hankali kan nazarin shigarwar masu haɗawa ba bisa ka'ida ba, musamman crimping na kebul na photovoltaic da haɗin ƙarfe mai haɗawa, don samar da masu amfani da wani takamaiman tunani, kula da tsarin photovoltaic, da kare amfanin masu amfani.

Halin Kasuwa

A cikin tsarin samar da wutar lantarki na photovoltaic, ana amfani da masu haɗawa na photovoltaic a cikin abubuwan da aka gyara, akwatunan haɗakarwa, inverters da haɗin da ke tsakanin su, mafi yawan abin da aka shigar a cikin masana'anta, kuma ingancin crimp yana da inganci.Kimanin kashi 10% na sauran masu haɗin haɗin suna buƙatar shigar da su da hannu a wurin aikin, galibi suna nufin buƙatar shigar da masu haɗawa a ƙarshen biyun na kebul na photovoltaic da ke haɗa kowace na'ura.Dangane da kwarewar shekaru na ziyarar Abokin Ciniki, saboda rashin aikin sajan shigarwa na shafin yanar gizon da kuma amfani da kayan aikin ta'addanci na yau da kullun, kamar yadda aka nuna a ƙasa.

[Hoto na 1: Laifin crimping na yau da kullun]

Nau'i da halaye na ma'aunin ƙarfe

Ƙarfe mai mahimmanci shine babban jikin mai haɗawa da kuma hanya mafi mahimmanci.A halin yanzu, yawancin masu haɗin hoto na hoto a kasuwa suna amfani da nau'in karfe mai siffar "U", wanda aka hatimi kuma an kafa shi daga takarda na jan karfe, wanda aka fi sani da alamar karfe.Godiya ga tsarin hatimi, ƙirar ƙarfe mai nau'in "U" ba wai kawai yana da ingantaccen samarwa ba, amma kuma ana iya shirya shi a cikin sarkar, wanda ya dace sosai don samar da kayan aikin waya ta atomatik.

Wasu masu haɗin hoto na hoto suna amfani da ginshiƙi na ƙarfe mai siffar “O”, wanda aka samo shi ta hanyar hako ramuka a duka ƙarshen sandar sirara na jan ƙarfe, wanda kuma ake kira da ƙarfe na ƙarfe.Ƙarfe mai siffa ta “O” za a iya gurɓata shi ɗaya kawai, wanda bai dace da amfani da kayan aiki mai sarrafa kansa ba.

Hoto na 2: Nau'in sigar ƙarfe】

Har ila yau, akwai ƙwanƙolin ƙarfe da ba kasafai ba, wanda ba shi da ɗanɗano, wanda ke haɗa shi da kebul ta takardar bazara.Tun da ba a buƙatar kayan aikin crimping, shigarwa yana da sauƙi kuma mai dacewa.Duk da haka, haɗin haɗin ganyen bazara zai haifar da babban juriya na lamba, kuma ba za a iya tabbatar da amincin dogon lokaci ba.Wasu ƙungiyoyin takaddun shaida kuma ba su yarda da irin wannan nau'in asalin ƙarfe ba.

[Table 1: Fasali na nau'ikan nau'ikan ƙarfe daban-daban]

Ilimin asali na crimping

Crimping yana ɗaya daga cikin mahimman hanyoyin haɗin gwiwa da gama gari.Kumburi marasa adadi yana faruwa kowace rana.A lokaci guda, crimping an tabbatar da cewa ya zama balagagge kuma abin dogara fasahar haɗi.

Tsarin lalata

Amincewar crimping ya dogara da yawa akan kayan aiki da ayyuka, duka biyun waɗanda ke ƙayyade ko tasirin crimping na ƙarshe ya dace da buƙatun ma'auni.Ɗauki maɓallin ƙarfe mai siffar “U” a matsayin misali.Ainihin abu ne mai kwano na jan karfe kuma yana buƙatar haɗa shi zuwa kebul na hoto ta hanyar crimping.Tsarin crimping shine kamar haka:

【Hoto na 3: Tsari Tsara】

Ba shi da wahala a ga cewa crimping karfe mai siffar “U” wani tsari ne wanda yayin da tsayin tsayin daka ya ragu a hankali (yayin da karfin da ake dannewa a hankali ya karu), takardar jan karfe da aka nannade da wayar tagulla ta kebul ana matsawa a hankali.A cikin wannan tsari, kula da tsayi mai tsayi kai tsaye yana ƙayyade ingancin crimping.Kula da nisa na ƙwanƙwasa ba shi da mahimmanci sosai, saboda crimp mutu yana ƙayyade ƙimar nisa.

Tsawon tsauri

Mutane da yawa sun san cewa crimping da sako-sako da yawa ba shi da kyau, don haka yayin da crimping ya ci gaba, nawa ya kamata a sarrafa tsayin daka?Bugu da ƙari, ta yaya mahimman ma'anoni masu inganci guda biyu, wato ƙarfin cirewa da wutar lantarki, ke canzawa yayin wannan tsari?

[Hoto na 4: Ƙarfin cirewa da tsayin daka]

Yayin da tsayin crimping ya ragu a hankali, ƙarfin cirewa tsakanin kebul da ginshiƙi na ƙarfe zai ƙaru a hankali har sai ya kai ma'aunin "X" a cikin adadi na sama.Idan tsayin crimping ya ci gaba da raguwa, ƙarfin cirewa zai ci gaba da raguwa saboda lalacewa a hankali na tsarin wayar tagulla.

[Hoto na 5: Haɓakawa da tsayin daka]

Hoton da ke sama yana kwatanta halayen lantarki na dogon lokaci na crimping.Mafi girman ƙimar, mafi kyawun halayen lantarki, kuma mafi kyawun halayen lantarki na kebul da haɗin haɗin ƙarfe."X" yana wakiltar mafi kyawun batu.

Idan masu lanƙwasa biyun da ke sama sun kasance tare, za mu iya samun ƙarshe cikin sauƙi:

        Themafi kyawun crimping tsayi zai iya zama cikakkiyar la'akari da ƙarfin cirewa da haɓakawa, da ƙima a cikin yanki tsakanin mafi kyawun maki biyu., kamar yadda aka nuna a kasa.

[Hoto na 6: Tsawon tsayi, kayan inji da kayan lantarki]

Crimping ingancin kimantawa

Hanyoyin yanke hukunci da aka saba amfani da su a masana'antar sune kamar haka:

■ Za a iya auna tsayin tsayi/ faɗin daɗaɗɗen tare da ma'auni mai tsayi a cikin kewayon da aka ayyana;

■ Ƙarfin cirewa, wato, ƙarfin da ake buƙata don cirewa ko karya wayar tagulla daga wurin da ake murƙushewa, kamar kebul na 4mm2, IEC 60352-2 yana buƙatar aƙalla 310N;

■ Juriya, ɗaukar kebul na 4mm2 a matsayin misali, IEC 60352-2 yana buƙatar juriya a ƙugi ya zama ƙasa da 135 microohms;

■Bincike-tsage-tsalle, yanke mara lahani na crimping zone, bincike na nisa, tsawo, matsa lamba, daidaitawa, fasa da burrs, da dai sauransu.

Idan ana son sakin sabuwar na'ura ko sabon mutuwa mai lalacewa, ban da abubuwan da ke sama, Hakanan ya zama dole don saka idanu juriya a ƙarƙashin yanayin hawan zafin jiki, koma zuwa daidaitaccen IEC 60352-2.

Crimping kayan aiki

An shigar da mafi yawan masu haɗin hoto na hoto a cikin masana'anta ta hanyar kayan aiki na atomatik, kuma ingancin crimp yana da girma.Duk da haka, ga masu haɗawa da dole ne a shigar da su a wurin aikin, za a iya yin crimping kawai tare da ƙwanƙwasa.Dole ne a yi amfani da ƙwararrun ƙwararrun ƙwanƙwasa na asali don murƙushewa.Ba za a iya amfani da vise na yau da kullun ko filawar hanci don murƙushewa ba.A gefe guda, ingancin crimping yana da ƙasa, kuma wannan kuma hanya ce da masana'antun haɗin gwiwa da hukumomin takaddun shaida ba su gane su ba.

Hoto na 7: Kayan aiki na Crimping】

Hatsari na kutsawa mara ka'ida

Ƙunƙarar ɓarna na iya haifar da rashin bin ƙayyadaddun bayanai, rashin daidaituwar juriya, da gazawar hatimi.Yana da babban haɗari mai haɗari wanda ke shafar aikin gaba ɗaya da riba na tsire-tsire na wutar lantarki na photovoltaic.

Takaitawa

∎ Mai haɗawa ɗan ƙaramin sashi ne, amma zai shafi ingantaccen aiki na aikin photovoltaic.Yin sulhu tare da inganci yawanci yana nufin babban hasara da haɗari na gaba, waɗanda za a iya guje wa;

∎ Don shigar da masu haɗin hoto na hoto, hanyar haɗin kai shine mafi mahimmanci, kuma ana ba da shawarar yin amfani da kayan aikin ƙwararru.Ga masu shigar da injiniyanci, horar da crimping hanya ce mai mahimmanci.