2023-12-20
Iyo solar panel yekubatanidza bhokisi ndiyo yekubatanidza pakati pesolar panel uye yekuchaja yekudzora mudziyo, uye chikamu chakakosha chesolar panel.Iyo muchinjika-yekuranga wakazara dhizaini inosanganisa dhizaini yemagetsi, dhizaini yekugadzira uye sainzi yezvinhu kupa vashandisi chirongwa chakasanganiswa chekubatanidza chemagetsi ezuva.
Basa guru rebhokisi rekubatanidza solar nderekuburitsa simba remagetsi rinogadzirwa nesolar panel kuburikidza netambo.Nekuda kwekunyanya uye mutengo wepamusoro wemasero ezuva, solar junction mabhokisi anofanirwa kuve akagadzirwa kuti asangane nezvinodiwa zvesolar panels.Tinogona kusarudza kubva pazvikamu zvishanu zvebasa, hunhu, rudzi, kuumbwa uye kuita maparamendi eiyo junction bhokisi.
Basa rekutanga resolar yekubatanidza bhokisi nderekubatanidza solar panel uye mutoro, uye kudhirowa ikozvino inogadzirwa neiyo photovoltaic panel kugadzira magetsi.Rimwe basa nderekudzivirira waya dzinobuda kubva kune inopisa nzvimbo.
Iyo solar junction bhokisi inoita sebhiriji pakati pesolar panel uye inverter.Mukati mebhokisi rekusangana, ikozvino inogadzirwa nesolar panel inoburitswa kunze kuburikidza nematerminals uye majoini uye mumidziyo yemagetsi.
Kuti uderedze kurasikirwa kwesimba kweiyo junction bhokisi kune solar panel zvakanyanya sezvinobvira, kupokana kweiyo conductive zvinhu inoshandiswa mu solar panel junction bhokisi kunofanirwa kunge kuri kudiki, uye kupikisa kwekusangana nebhasibar lead wire kunofanirawo kunge kuri kudiki. .
Basa rekudzivirira re solar junction bhokisi rinosanganisira zvikamu zvitatu:
1. Kuburikidza nebypass diode inoshandiswa kudzivirira iyo inopisa nzvimbo mhedzisiro uye kudzivirira bhatiri uye solar panel;
2. Chinhu chakakosha chinoshandiswa kuvhara dhizaini, iyo isina mvura uye isingadziviri moto;
3. Iyo yakakosha kupisa kupisa dhizaini inoderedza junction bhokisi uye Iyo tembiricha yekushandisa yebypass diode inoderedza kurasikirwa kwesolar panel simba nekuda kwekudonha kwazvino.
(1) Kuramba Kwemamiriro ekunze
Kana iyo photovoltaic junction bhokisi zvinhu inoshandiswa kunze, inotsungirira muedzo wemamiriro ekunze, sekukuvadza kunokonzerwa nechiedza, kupisa, mhepo nemvura.Iwo akafumurwa zvikamu zvePV junction bhokisi muviri webhokisi, chivharo chebhokisi uye MC4 yekubatanidza, ayo ese akagadzirwa nezvinhu zvinodzivirira mamiriro ekunze.Parizvino, iyo inonyanya kushandiswa zvinhu ndeye PPO, inova imwe yeashanu general engineering mapurasitiki munyika.Iine zvakanakira kusimba kwepamusoro, kupisa kwakanyanya, kuramba moto, kusimba kwepamusoro, uye kunaka kwemagetsi zvinhu.
(2) High Temperature uye Humidity Resistance
Nzvimbo yekushanda yemagetsi ezuva yakaoma zvikuru.Mamwe anoshanda munzvimbo dzinopisa, uye avhareji yetembiricha yezuva nezuva yakakwirira zvikuru;mamwe anoshanda munzvimbo dzakakwirira uye dzakakwirira, uye tembiricha yekushanda yakaderera zvikuru;mune dzimwe nzvimbo, musiyano wetembiricha pakati pemasikati neusiku wakakura, senzvimbo dzerenje.Naizvozvo, photovoltaic junction mabhokisi anodiwa kuti ave neakanakisa tembiricha yepamusoro uye yakaderera tembiricha yekudzivirira zvivakwa.
(3) UV Inodzivirira
Mwaranzi yeUltraviolet ine kumwe kukuvadza kune zvigadzirwa zvepurasitiki, kunyanya munzvimbo dzemubani dzine mweya mutete uye yakakwira ultraviolet irradiance.
(4) Flame Retardancy
Zvinoreva chivakwa chine chinhu kana kurapwa kwechinhu chinononotsa kupararira kwemurazvo.
(5) Isingapindi mvura uye isina Dust
Iyo general photovoltaic junction bhokisi haina mvura uye isina guruva IP65, IP67, uye iyo Slocable photovoltaic junction bhokisi inogona kusvika padanho repamusoro reIP68.
(6) Kupisa Kupisa Basa
Diodes uye ambient tembiricha inowedzera tembiricha muPV junction box.Kana diode ichiita, inoburitsa kupisa.Panguva imwecheteyo, kupisa kunogadzirwawo nekuda kwekupikisa kwekusangana pakati pe diode uye terminal.Uye zvakare, kuwedzera kwe ambient tembiricha kuchawedzerawo tembiricha mukati mejinji bhokisi.
Zvikamu zviri mukati mePV junction bhokisi zvinotapukirwa nekushisa kwepamusoro zvindori zvekuisa chisimbiso uye diode.Tembiricha yepamusoro inomhanyisa kukurumidza kuchembera kwemhete yekuisa chisimbiso uye kukanganisa kushanda kwekuvharisa kwebhokisi rejunction;kune reverse ikozvino mu diode, uye reverse ikozvino ichapeta kaviri kune yega yega 10 °C kuwedzera kwekushisa.Reverse ikozvino inoderedza ikozvino inokweverwa nebhodhi redunhu, inokanganisa simba rebhodhi.Naizvozvo, photovoltaic junction mabhokisi anofanirwa kuve neakanakisa kupisa dissipation zvivakwa.
A common thermal design ndeyekuisa heat sink.Nekudaro, kuisa masingi ekupisa hakugadzirise zvachose dambudziko rekupisa kupisa.Kana kupisa kunopisa kunoiswa mu photovoltaic junction box, kutonhora kwe diode kuchaderera kwekanguva, asi kutonhora kwebhokisi rejunction kucharamba kuchiwedzera, izvo zvichakanganisa hupenyu hwebasa rerubha chisimbiso;Kana ikaiswa kunze kwebhokisi rekusangana, kune rumwe rutivi, inokanganisa kuvharwa kwese kwebhokisi rejunction, kune rumwe rutivi, zviri nyore zvakare kuti heatsink iparadzwe.
Kune marudzi maviri makuru emabhokisi ekusangana: akajairika uye akaputirwa.
Mabhokisi akajairwa junction akavharwa nezvisimbiso zvesilicone, nepo mabhokisi akazadzwa nerubha akazadzwa neaviri-chikamu silicone.Iyo yakajairwa junction bhokisi yakashandiswa kare uye iri nyore kushanda, asi yekuisa chisimbiso iri nyore kuchembera kana ichishandiswa kwenguva yakareba.Iyo potting type junction bhokisi inonetsa kushanda (inoda kuzadzwa neaviri-chikamu silica gel uye kuporeswa), asi yekuisa chisimbiso yakanaka, uye inoshingirira kuchembera, iyo inogona kuve nechokwadi chekuvharirwa kwenguva refu kweiyo chisimbiso. junction box, uye mutengo wakachipa zvishoma.
Solar connection junction box inoumbwa nebhokisi body, box cover, connectors, terminals, diode, etc. Vamwe vanogadzira mabhokisi ekusangana vakagadzira masinki ekupisa kuti awedzere kugovera kwekushisa mubhokisi, asi chimiro chese hachina kuchinja.
(1) Bhokisi Muviri
Muviri webhokisi ndiyo chikamu chikuru chebhokisi rekusangana, ine yakavakirwa-mukati materminals uye diode, ekunze zvinongedzo, uye mabhokisi anovhara.Ndiyo chikamu chikamu chesolar yekubatanidza bhokisi uye inotakura yakawanda yemamiriro ekunze anopikisa zvinodiwa.Muviri webhokisi unowanzo gadzirwa nePPO, ine zvakanakira kusimba kwakanyanya, kupisa kwakanyanya, kuramba moto, uye simba rakawanda.
(2) Kavha yeBhokisi
Chivharo chebhokisi chinogona kuvhara muviri webhokisi, kudzivirira mvura, guruva uye kusvibiswa.Iko kusungirirwa kunonyanya kuratidzirwa mu-built-in rubber sealing ring, iyo inodzivirira mweya uye unyoro kubva pakupinda mubhokisi rejunction.Vamwe vagadziri vanoisa kaburi kadiki pakati pechivharo, voisa dialysis membrane mumhepo.Iyo membrane inofema uye haipindi, uye hapana mvura inoyerera yemamita matatu pasi pemvura, iyo inoita basa rakanaka mukupisa kupisa uye kuvhara.
Muviri webhokisi uye chivharo chebhokisi zvinowanzogadzirwa jekiseni kubva kuzvinhu zvine kunaka kwemamiriro ekunze, izvo zvine hunhu hwekunaka kwehunyoro, kusatya kwekushisa, uye kuramba kuchembera.
(3) Chibatanidza
Zvisungo zvinobatanidza zviteshi uye zvekunze zvemagetsi zvemagetsi zvakadai sema inverters, controllers, etc. Chibatanidza chinogadzirwa nePC, asi PC inosvibiswa nyore nyore nezvinhu zvakawanda.Kuchembera kwema solar junction mabhokisi kunonyanya kuratidzwa mukati: zvibatanidza zvinokushwa zviri nyore, uye nzungu dzepurasitiki dzinotsemuka zviri nyore pasi pekushisa kwakadzika.Nokudaro, hupenyu hwebhokisi rejunction ndiyo hupenyu hwekubatanidza.
(4) Zviteshi
Vagadziri vakasiyana veterminal blocks terminal spacing zvakare akasiyana.Kune mhando mbiri dzekubatana pakati peiyo terminal newaya inobuda: imwe ndeyekusangana kwepanyama, senge yekusimbisa mhando, uye imwe ndeye welding mhando.
(5) Diodhi
Diodes muPV junction mabhokisi anoshandiswa sebypass diode kudzivirira kupisa nzvimbo mhedzisiro uye kudzivirira solar panel.
Kana solar panel ichishanda zvakajairwa, iyo bypass diode iri kunze kwenyika, uye kune reverse ikozvino, kureva, yakasviba ikozvino, iyo kazhinji isingasviki 0.2 microampere.Rima ikozvino rinoderedza ikozvino inogadzirwa ne solar panel, zvisinei nehuwandu hushoma.
Nenzira yakanaka, sero rega rega rezuva rinofanira kunge riine bypass diode yakabatana.Nekudaro, hazvina hupfumi zvakanyanya nekuda kwezvinhu zvakaita semutengo uye mutengo webypass diode, kurasikirwa kwazvino kwakasviba uye kudonha kwemagetsi pasi pemamiriro ekushanda.Mukuwedzera, nzvimbo yepaneti yezuva yakanyanyisa, uye mamiriro ekupisa akakwana anofanirwa kupiwa mushure mokunge diode yabatanidzwa.
Naizvozvo, zvine musoro kushandisa bypass diode kuchengetedza akawanda akabatana masero ezuva.Izvi zvinogona kuderedza mutengo wekugadzira we solar panels, asi zvinogonawo kukanganisa kuita kwavo.Kana kubuda kwesero rimwe chete rezuva munhevedzano yemasero ezuva kunoderedzwa, mutsara wemasero ezuva, kusanganisira ayo ari kushanda zvakanaka, anoparadzaniswa kubva kune yose yezuva rezuva nebypass diode.Nenzira iyi, nekuda kwekutadza kweimwe solar panel, simba rekubuda reiyo solar panel rinodonha zvakanyanya.
Pamusoro penyaya dziri pamusoro apa, kubatana pakati peiyo bypass diode uye iri padyo nebypass diode inofanirawo kunyatsotariswa.Aya makubatanidza ari pasi pekumwe kushushikana kuri chigadzirwa chemichina mitoro uye cyclical shanduko mukupisa.Nokudaro, mukushandiswa kwenguva refu kwepaneti yezuva, kuwirirana kunotaurwa pamusoro apa kunogona kukundikana nekuda kwekuneta, zvichiita kuti solar panel iite zvisina kunaka.
Hot Spot Effect
Mukugadzirisa solar panel, masero ezuva ega akabatanidzwa munhevedzano kuti awane yakakwirira system voltages.Kamwe kamwe masero ezuva akavharwa, iyo yakakanganiswa solar cell haichashanda sesimba sosi, asi iva mutengi wesimba.Mamwe masero ezuva asina kuvharwa anoenderera mberi nekutakura ikozvino kuburikidza navo, zvichikonzera kurasikirwa kwemasimba makuru, kugadzira "nzvimbo dzinopisa" uye kunyange kukuvadza masero ezuva.
Kuti udzivise dambudziko iri, bypass diodes yakabatanidzwa mukufanana neimwe kana akati wandei solar maseru munhevedzano.Bypass current inopfuura neyakavharirwa solar cell uye inopfuura nemu diode.
Kana sero rezuva riri kushanda zvakajairika, iyo bypass diode inodzimwa mureverse, iyo isingakanganisi dunhu;kana pane chisimbiso chezuva chisina kujairika chakabatana chakafanana neyokupfuura diode, ikozvino yemutsara wose ichagadziriswa nehuwandu hwemazuva ano solar cell, uye ikozvino ichagadziriswa nenzvimbo yekudzivirira yezuva.Sarudza.Kana iyo reverse bias voltage yakakwira kupfuura iyo shoma voltage yesolar cell, iyo bypass diode inoitisa uye iyo isina kujairika solar cell ichapfupikiswa.
Zvinogona kuoneka kuti nzvimbo inopisa ndeye solar panel kupisa kana kupisa kwenzvimbo, uye solar pani panzvimbo inopisa yakakuvadzwa, izvo zvinoderedza kubuda kwesimba resolar panel uye zvinototungamira kune solar panel scrapping, izvo zvinoderedza zvakanyanya hupenyu hwesevhisi. ye solar panel uye inounza njodzi yakavanzika kune chiteshi chemagetsi kuchengetedzwa kwemagetsi, uye kuunganidzwa kwekupisa kunotungamira mukukuvadzwa kwesolar panel.
Diode Selection Principle
Kusarudzwa kweiyo bypass diode kunonyanya kutevedzera zvinotevera misimboti: ① Iyo inomira voltage yakapetwa kaviri iyo yakanyanya reverse inoshanda voltage;② Hurukuro hwazvino hwakapetwa kaviri reverse rekushanda ikozvino;③ Tembiricha yekusangana inofanira kunge yakakwira kupfuura tembiricha chaiyo yekusangana;④ Thermal kuramba idiki;⑤ kuderera kuduku.
(1) Magetsi zvinhu
Kuita kwemagetsi kwePV module junction bhokisi kunonyanya kusanganisira ma parameter akadai sekushanda voltage, kushanda ikozvino, uye kuramba.Kuyera kana bhokisi rejunction rakakodzera, kushanda kwemagetsi chinhu chakakosha chinongedzo.
①Kushanda magetsi
Kana iyo reverse voltage pane diode inosvika pane imwe kukosha, iyo diode inoputsika uye kurasikirwa unidirectional conductivity.Kuti uve nechokwadi chekuchengetedzwa kwekushandiswa, iyo yakanyanya reverse inoshanda voltage inotsanangurwa, kureva, iyo yakanyanya voltage yechigadzirwa chinoenderana kana junction bhokisi richishanda pasi pemamiriro ekushanda.Ikozvino kushanda voltage yePV junction bhokisi ndeye 1000V (DC).
②Junction tembiricha ikozvino
Iyo inozivikanwawo sekushanda ikozvino, inoreva iyo yepamusoro yekumberi ikozvino kukosha iyo inobvumirwa kupfuura nepakati diode kana ichishanda ichienderera kwenguva yakareba.Kana ikozvino ichiyerera kuburikidza ne diode, kufa kunopisa uye tembiricha inokwira.Kana tembiricha yadarika muganhu unobvumidzwa (inenge 140°C yemachubhu esilicon uye 90°C yemachubhu egermanium), inofa inopisa nekukuvadzwa.Nokudaro, iyo diode inoshandiswa haifaniri kudarika yakarongwa mberi kushanda ikozvino kukosha kweiyo diode.
Kana iyo inopisa nzvimbo inoitika, ikozvino inoyerera kuburikidza ne diode.Kazhinji kutaura, iyo yakakura tembiricha yejunction ikozvino, zviri nani, uye yakakura huwandu hwekushanda hwebhokisi rejunction.
③Kuramba kwekubatanidza
Hapana chakajeka chinodiwa chekupikisa kwekubatanidza, inongoratidzira hutano hwekubatana pakati pekupedzisira uye busbar.Pane nzira mbiri dzekubatanidza materminals, imwe ndeye clamping yekubatanidza uye imwe ndeye welding.Nzira mbiri idzi dzine zvakanakira nekuipira:
Chekutanga pane zvese, iyo clamping inokurumidza uye kugadzirisa kuri nyore, asi nzvimbo ine terminal block idiki, uye kubatana hakuna kuvimbika zvakakwana, zvichikonzera kupikisa kwakanyanya uye nyore kupisa.
Chechipiri, iyo conductive nzvimbo yewelding nzira inofanira kunge iri diki, iyo yekubata inopikisa inofanira kunge iri diki, uye kubatana kunofanira kunge kwakasimba.Zvisinei, nekuda kwekushisa kwekushisa kwepamusoro, diode iri nyore kupisa panguva yekushanda.
(2) Kufara kweWelding Strip
Iyo inonzi electrode width inoreva hupamhi hwemutsara unobuda wepaneti yezuva, kureva, busbar, uye inosanganisirawo nzvimbo pakati pemagetsi.Tichifunga nezvekupikisa uye kuparadzaniswa kwebhawa, pane zvitatu zvakatemwa: 2.5mm, 4mm, uye 6mm.
(3) Kushanda Tembiricha
Iyo junction bhokisi rinoshandiswa pamwe chete nesolar panel uye ine simba rinochinjika kune zvakatipoteredza.Panyaya yetembiricha, yazvino mwero ndeye - 40 ℃ ~ 85 ℃.
(4) Junction Temperature
Iyo diode junction tembiricha inokanganisa iyo leakage ikozvino iri off state.Kazhinji kutaura, iyo yekuvuza ikozvino inopetwa kaviri kune yega yega gumi madhigirii ekuwedzera tembiricha.Naizvozvo, iyo yakatemerwa junction tembiricha ye diode inofanira kunge yakakwira kupfuura tembiricha chaiyo yekusangana.
Iyo nzira yekuyedza ye diode junction tembiricha ndeiyi inotevera:
Mushure mekupisa solar panel kusvika 75 (℃) kweawa imwe, tembiricha yebypass diode inofanira kunge yakaderera pane yakanyanya tembiricha yekushandisa.Wobva wawedzera reverse ikozvino kusvika 1.25 nguva ISC kweawa imwe, iyo bypass diode haifanire kukundikana.
(1) Muedzo
Solar Junction mabhokisi anofanira kuongororwa asati ashandiswa.Zvinhu zvikuru zvinosanganisira chitarisiko, chisimbiso, moto kuramba chiyero, diode qualification, nezvimwe.
(2) Mashandisirwo eSolar Junction Bhokisi
① Ndapota ita shuwa kuti solar junction bhokisi rakaedzwa uye rakakodzera risati rashandiswa.
② Usati waisa odha yekugadzira, ndapota simbisa chinhambwe pakati pematerminal uye maitiro ekugadzirisa.
③Paunenge uchiisa bhokisi rejunction, isa glue zvakaenzana uye zvakazara kuti uve nechokwadi chekuti bhokisi muviri uye solar panel backplane zvakanamwa zvachose.
④Iva nechokwadi chekusiyanisa matanda akanaka uye asina kunaka paunenge uchiisa bhokisi rejunction.
⑤ Paunenge uchibatanidza bhawa yebhazi kune iyo yekubata terminal, iva nechokwadi chekutarisa kana tension iri pakati pebhawa yebhazi uye terminal yakakwana.
⑥ Paunenge uchishandisa welding terminals, nguva yekushongedza haifanirwe kunge yakareba, kuti irege kukuvadza diode.
⑦ Paunenge uchiisa chivharo chebhokisi, iva nechokwadi chekuchisimbisa zvakasimba.
Dongguan Slocable Photovoltaic Technology Co.,LTD.
Wedzera: Guangda Manufacturing Hongmei Sayenzi neTekinoroji Park, Nhamba 9-2, Hongmei Chikamu, Wangsha Road, Hongmei Town, Dongguan, Guangdong, China
TEL:0769-22010201
