2023-12-20
Ibhokisi yokudibanisa ipaneli yelanga sisidibanisi phakathi kwepaneli yelanga kunye nesixhobo sokulawula ukutshaja, kwaye yinxalenye ebalulekileyo yepaneli yelanga.Luyilo olubanzi olunqamlezileyo oludibanisa uyilo lombane, uyilo lomatshini kunye nesayensi yezinto eziphathekayo ukubonelela abasebenzisi ngeskimu esidibeneyo sokudibanisa kwiipaneli zelanga.
Umsebenzi oyintloko webhokisi yokudibanisa yelanga kukukhupha amandla ombane awenziwe yipaneli yelanga ngekhebula.Ngenxa yobungcali kunye nexabiso eliphezulu leeseli zelanga, iibhokisi ze-junction yelanga kufuneka zenziwe ngokukodwa ukuhlangabezana neemfuno zeepaneli zelanga.Sinokukhetha kwimiba emihlanu yomsebenzi, iimpawu, uhlobo, ukubunjwa kunye neeparameters zokusebenza kwibhokisi yokuhlangana.
Umsebenzi osisiseko webhokisi yokudibanisa yelanga kukudibanisa iphaneli yelanga kunye nomthwalo, kwaye udwebe okwangoku owenziwe yiphaneli ye-photovoltaic ukuvelisa umbane.Omnye umsebenzi kukukhusela iingcingo eziphumayo kwiziphumo ezishushu.
Ibhokisi ye-junction yelanga isebenza njengebhulorho phakathi kwepaneli yelanga kunye ne-inverter.Ngaphakathi kwebhokisi le-junction, i-current eveliswa yi-solar panel ikhutshwe ngee-terminals kunye nezixhumi kunye nezixhobo zombane.
Ukuze kuncitshiswe ilahleko yamandla ebhokisi yokuhlangana kwiphaneli yelanga kangangoko kunokwenzeka, ukuchasana kwezinto zokuqhuba ezisetyenziswa kwibhokisi yephaneli yephaneli yelanga kufuneka kube kuncinci, kwaye ukuchasana nokunxibelelana nocingo olukhokelela kwibhasi kufuneka kwakhona kube kuncinci. .
Umsebenzi wokukhusela webhokisi ye-junction yelanga uquka iindawo ezintathu:
1. Ngokusebenzisa i-bypass diode isetyenziselwa ukukhusela umphumo wendawo eshushu kunye nokukhusela ibhetri kunye nepaneli yelanga;
2. Izinto ezikhethekileyo zisetyenziselwa ukutywina idizayini, engenamanzi kunye nomlilo;
3. Uyilo olukhethekileyo lokutshatyalaliswa kobushushu lunciphisa ibhokisi ye-junction kunye neqondo lokushisa elisebenzayo le-bypass diode linciphisa ukulahlekelwa kwamandla epaneli yelanga ngenxa yokuvuza kwangoku.
(1) Ukuxhathisa iMozulu
Xa i-photovoltaic junction box material isetyenziswe ngaphandle, iya kumelana novavanyo lwemozulu, njengomonakalo obangelwa kukukhanya, ukushisa, umoya kunye nemvula.Iindawo eziveziweyo zebhokisi yokuhlangana yePV ngumzimba webhokisi, isigqubuthelo sebhokisi kunye nesinxibelelanisi seMC4, zonke zenziwe ngezinto ezikwaziyo ukumelana nemozulu.Okwangoku, eyona nto isetyenziswa kakhulu yiPPO, eyenye yeeplastiki ezintlanu zobunjineli jikelele emhlabeni.Ineengenelo zokuqina okuphezulu, ukumelana nobushushu obuphezulu, ukumelana nomlilo, ukomelela okuphezulu, kunye neempawu ezibalaseleyo zombane.
(2) Ukunyangwa kobushushu obuphezulu kunye nokufuma
Indawo yokusebenza yeepaneli zelanga inzima kakhulu.Ezinye zisebenza kwiindawo ezitshisayo, kwaye ubushushu bemihla ngemihla buphezulu kakhulu;ezinye zisebenza kwiindawo eziphakamileyo kunye neendawo eziphakamileyo, kwaye ubushushu bokusebenza buphantsi kakhulu;kwezinye iindawo, umahluko wobushushu phakathi kwemini nobusuku mkhulu, njengemimandla eyintlango.Ke ngoko, iibhokisi ze-photovoltaic junction ziyafuneka ukuba zibe nobushushu obuphezulu kunye neempawu ezichasene nobushushu obuphantsi.
(3) Ukumelana ne-UV
Imisebe ye-Ultraviolet inomonakalo othile kwiimveliso zeplastiki, ngakumbi kwiindawo eziphakamileyo ezinomoya omncinci kunye ne-ultraviolet irradiance ephezulu.
(4) UkuKhawuleza komlilo
Ibhekisa kwipropati enezinto okanye ngonyango lwesixhobo esilibazisa kakhulu ukusasazeka kwedangatye.
(5) Ingangeni manzi kwaye ingadutyuli
Ibhokisi ye-junction ye-photovoltaic jikelele ayinamanzi kwaye ayinathuli i-IP65, i-IP67, kunye nebhokisi ye-slocable photovoltaic junction inokufikelela kwinqanaba eliphezulu le-IP68.
(6) Umsebenzi wokutshatyalaliswa kobushushu
IiDiodes kunye nobushushu be-ambient bonyusa ubushushu kwibhokisi ye-PV yokuhlangana.Xa idiode iqhuba, ivelisa ubushushu.Ngexesha elifanayo, ubushushu buye kuveliswa ngenxa yokuchasana koqhagamshelwano phakathi kwe-diode kunye ne-terminal.Ukongeza, ukunyuka kobushushu be-ambient kuya kwandisa ubushushu ngaphakathi kwebhokisi ye-junction.
Amalungu angaphakathi kwebhokisi ye-PV yokudityaniswa anokuthi achaphazeleke kubushushu obuphezulu ngamakhonkco okutywina kunye neediode.Ukushisa okuphezulu kuya kukhawulezisa isantya sokuguga sendandatho yokutywina kunye nokuchaphazela ukusebenza kokutywinwa kwebhokisi le-junction;kukho i-reverse current kwi-diode, kwaye i-reverse current iya kuphinda kabini kwi-10 °C yokwanda kweqondo lokushisa.I-reverse current inciphisa ikhoyo ngoku etsalwa yibhodi yesiphaluka, echaphazela amandla ebhodi.Ngoko ke, iibhokisi ze-photovoltaic junction kufuneka zibe neempawu ezintle zokutshatyalaliswa kobushushu.
Uyilo oluqhelekileyo lwe-thermal kukufaka i-heat sink.Nangona kunjalo, ukufakela i-heat sinks ayisombululi ngokupheleleyo ingxaki yokutshatyalaliswa kobushushu.Ukuba ubushushu bokushisa bufakwe kwibhokisi ye-photovoltaic junction, ukushisa kwe-diode kuya kuncipha okwethutyana, kodwa ukushisa kwebhokisi lokuhlangana kuya kunyuka, okuya kuchaphazela ubomi benkonzo yesitywina serubha;Ukuba ifakwe ngaphandle kwebhokisi ye-junction, kwelinye icala, iya kuchaphazela ukutywinwa okupheleleyo kwebhokisi le-junction, kwelinye icala, kulula ukuba i-heatsink idliwe.
Kukho iindidi ezimbini eziphambili zeebhokisi zokuhlangana: eziqhelekileyo kunye neembiza.
Iibhokisi eziqhelekileyo ze-junction zitywinwe ngezitywina ze-silicone, ngelixa iibhokisi ze-junction ezigcwele i-rubber zigcwele i-silicone yamacandelo amabini.Ibhokisi ye-junction eqhelekileyo isetyenziswe ngaphambili kwaye kulula ukuyisebenzisa, kodwa umsesane wokutywina kulula ukuguga xa usetyenziswa ixesha elide.Ibhokisi yokudibanisa uhlobo lokubumba inzima ukusebenza (kufuneka izaliswe ngejeli ye-silica yamacandelo amabini kwaye iphiliswe), kodwa umphumo wokutywinwa ulungile, kwaye awuxhathisi ukuguga, onokuqinisekisa ukutywinwa okusebenzayo kwexesha elide. ibhokisi yokuhlangana, kwaye ixabiso lisezantsi kancinci.
Ibhokisi yokudibanisa i-solar ye-junction ye-solar yenziwe ngumzimba webhokisi, i-box cover, i-connectors, i-terminals, i-diode, njl. Abanye abavelisi beebhokisi ze-junction baye baqulunqa ii-sinks zokushisa ukunyusa ukusabalalisa ubushushu kwibhokisi, kodwa isakhiwo sonke asitshintshi.
(1) Umzimba Webhokisi
Umzimba webhokisi uyinxalenye ephambili yebhokisi ye-junction, kunye nee-terminals ezakhelwe ngaphakathi kunye ne-diode, izixhumi zangaphandle, kunye neebhokisi zebhokisi.Iyinxalenye yesakhelo sebhokisi yokudibanisa yelanga kwaye ithwala uninzi lweemfuno zokumelana nemozulu.Umzimba webhokisi uhlala usenziwa ngePPO, enezibonelelo zokuqina okuphezulu, ukumelana nobushushu obuphezulu, ukumelana nomlilo, kunye namandla aphezulu.
(2) Iqweqwe lebhokisi
Isigqubuthelo sebhokisi sinokutywina umzimba webhokisi, ukuthintela amanzi, uthuli kunye nongcoliseko.Ukuqina kubonakaliswa ngokukodwa kwindandatho yokutywina yerabha eyakhelweyo, ekhusela umoya kunye nomswakama ukuba ungene kwibhokisi ye-junction.Abanye abavelisi babeka umngxuma omncinci kumbindi wesiciko, kwaye bafake i-dialysis inwebu emoyeni.I-membrane iyaphefumla kwaye ayinamanzi, kwaye akukho manzi angaphantsi kwamanzi kwiimitha ezintathu ngaphantsi kwamanzi, edlala indima enhle ekutshitshiseni ubushushu kunye nokutywinwa.
Umzimba webhokisi kunye nesigqubuthelo sebhokisi sihlala sinaliti esibunjiweyo kwizinto ezinokumelana nemozulu entle, ezineempawu zokwaluka okulungileyo, ukumelana nokothuka kobushushu, kunye nokungagugi.
(3) Isidibanisi
Izixhumi zidibanisa ii-terminals kunye nezixhobo zombane zangaphandle ezifana ne-inverters, abalawuli, njl. Isidibanisi senziwe ngePC, kodwa i-PC ihlanjululwa ngokulula ngezinto ezininzi.Ukuguga kweebhokisi ze-junction ye-solar kubonakaliswe ngokukodwa: izixhumi zixhamla ngokulula, kunye namantongomane eplastiki aqhekeka ngokulula phantsi kwefuthe eliphantsi lokushisa.Ke ngoko, ubomi bebhokisi yokuhlangana bubomi bomdibaniso.
(4) Izikhululo
Abavelisi abohlukeneyo beebhloko zetheminali isithuba se-terminal siyahluka.Kukho iindidi ezimbini zoqhagamshelwano phakathi kwe-terminal kunye nocingo oluphumayo: enye idibene nomzimba, njengohlobo lokuqinisa, kwaye enye luhlobo lwe-welding.
(5) Iidiyodi
IiDiodes kwiibhokisi zokuhlangana zePV zisetyenziswa njenge-bypass diode ukukhusela iziphumo ezishushu kunye nokukhusela iipaneli zelanga.
Xa iphaneli yelanga isebenza ngokuqhelekileyo, i-bypass diode ikwi-off state, kwaye kukho i-reverse current, oko kukuthi, umbane omnyama, ongaphantsi kwe-0.2 microampere.Umda omnyama unciphisa umbane oveliswa yipaneli yelanga, nangona ixabiso elincinci kakhulu.
Ngokufanelekileyo, iseli nganye yelanga kufuneka ibe ne-bypass diode edibeneyo.Nangona kunjalo, ayinayo imali kakhulu ngenxa yezinto ezifana nexabiso kunye neendleko ze-bypass diode, ilahleko yangoku emnyama kunye nokuhla kwamandla ombane phantsi kweemeko zokusebenza.Ukongezelela, indawo yepaneli yelanga igxininisekile, kwaye iimeko ezaneleyo zokutshatyalaliswa kobushushu kufuneka zinikezelwe emva kokuba i-diode ixhunyiwe.
Ngoko ke, ngokuqhelekileyo kunengqiqo ukusebenzisa i-bypass diode ukukhusela iiseli ezininzi zelanga ezidibeneyo.Oku kunokunciphisa iindleko zokuvelisa iipaneli zelanga, kodwa kunokuchaphazela kakubi ukusebenza kwazo.Ukuba ukuveliswa kwesinye iseli yelanga kuluhlu lweeseli zelanga kuncitshisiwe, uchungechunge lweeseli zelanga, kubandakanywa nezo zisebenza ngokufanelekileyo, zihlukaniswe kuyo yonke inkqubo yepaneli yelanga yi-bypass diode.Ngale ndlela, ngenxa yokungaphumeleli kwepaneli enye yelanga, amandla okuphuma kwepaneli yonke yelanga aya kulahla kakhulu.
Ukongeza kule miba ingentla, ukudibanisa phakathi kwe-bypass diode kunye ne-bypass diode ekufutshane nayo kufuneka iqwalaselwe ngokucophelela.Olu nxibelelwano luxhomekeke kuxinzelelo oluthile oluyimveliso yomthwalo womatshini kunye notshintsho lwebhayisekile kubushushu.Ngoko ke, ekusebenziseni ixesha elide lepaneli yelanga, uxhulumaniso olukhankanywe ngasentla lunokungaphumeleli ngenxa yokukhathala, ngaloo ndlela lenze iphaneli yelanga ingaqhelekanga.
Isiphumo sendawo eshushu
Kuqwalaselo lwepaneli yelanga, iiseli zelanga zomntu ngamnye ziqhagamshelwe kuthotho ukuze kuphunyezwe amandla ombane aphezulu.Emva kokuba enye yeeseli zelanga ivaliwe, iseli yelanga echaphazelekayo ayiyi kuphinda isebenze njengomthombo wamandla, kodwa ibe ngumthengi wamandla.Ezinye iiseli zelanga ezingafakwanga ziqhubeka zithwala ngoku ngazo, zibangela ukulahleka kwamandla aphezulu, ziphuhlise “iindawo ezishushu” kwaye zonakalise iiseli zelanga.
Ukuze ugweme le ngxaki, i-bypass diode idityaniswe ngokuhambelana nenye okanye iiseli ezininzi zelanga kuthotho.I-Bypass yangoku idlula iseli yelanga ekhuselekileyo kwaye idlula kwidiode.
Xa iseli yelanga isebenza ngokuqhelekileyo, i-diode ye-bypass icinyiwe ngasemva, engachaphazeli isiphaluka;ukuba kukho iseli engaqhelekanga yelanga edibeneyo ngokuhambelana ne-bypass diode, i-current of the whole line iya kugqitywa yincinci yangoku ye-solar cell, kwaye i-current iya kugqitywa yindawo yokukhusela yeseli yelanga.Gqiba.Ukuba i-voltage ye-bias ebuyela umva iphezulu kunowona mbane uncinci weseli yelanga, i-bypass diode iya kuqhuba kwaye iseli yelanga engaqhelekanga iya kufinyezwa.
Inokubonwa ukuba indawo eshushu kukufudumala kwepaneli yelanga okanye ukufudumeza kwendawo, kwaye iphaneli yelanga kwindawo eshushu yonakele, enciphisa amandla ombane wepaneli yelanga kwaye ikhokelela ekutshisweni kwepaneli yelanga, enciphisa kakhulu ubomi benkonzo. yephaneli yelanga kwaye izisa ingozi efihliweyo kwisikhululo samandla sokuvelisa ukhuseleko, kwaye ukuqokelelwa kobushushu kuya kukhokelela kumonakalo wepaneli yelanga.
Umgaqo wokukhetha iDiode
Ukukhethwa kwe-bypass diode ilandela ikakhulu le migaqo ilandelayo: ① Umbane oxhathisayo uliphinda kabini ubuninzi bombane osebenza ngasemva;② Umthamo wangoku uphindwe kabini kunowona mkhulu wokusebenza umva;③ Iqondo lobushushu lesiphambuka kufuneka libengaphezulu kunolona bushushu besiphambuka;④ Ukumelana nobushushu kuncinci;⑤ ukuhla kwengcinezelo encinci.
(1) Iimpawu zombane
Ukusebenza kombane kwibhokisi yemodyuli yePV ikakhulu ibandakanya iiparamitha ezifana nombane osebenzayo, ukusebenza ngoku, kunye nokumelana.Ukulinganisa ukuba ibhokisi yesiphambuka ifanelekile, ukusebenza kombane likhonkco elibalulekileyo.
①Umbane osebenzayo
Xa i-voltage ejikelezayo kwi-diode ifikelela kwixabiso elithile, i-diode iya kuphuka kwaye ilahlekelwe yi-unidirectional conductivity.Ukuze kuqinisekiswe ukhuseleko lokusetyenziswa, i-voltage ephezulu yokusebenza ejikelezayo ichaziwe, oko kukuthi, umbane ophezulu wesixhobo esihambelanayo xa ibhokisi ye-junction isebenza phantsi kweemeko eziqhelekileyo zokusebenza.Umbane osebenzayo ngoku webhokisi ye-PV junction yi-1000V (DC).
②Ubushushu bomdibaniso wangoku
Eyaziwa nangokuthi i-working current, ibhekisela kwixabiso eliphezulu langoku eliya phambili elivunyelwe ukuba lidlule kwi-diode xa lisebenza ngokuqhubekayo ixesha elide.Xa ikhoyo ngoku ihamba nge-diode, ukufa kushushu kwaye ubushushu bukhuphuka.Xa iqondo lobushushu lidlula umda ovumelekileyo (malunga ne-140 ° C kwiityhubhu ze-silicon kunye ne-90 ° C kwiityhubhu zegermanium), ukufa kuya kutshisa kwaye konakaliswe.Ngoko ke, i-diode esetyenziswayo akufanele idlule kwixabiso elilinganisiweyo elisebenzayo langoku le-diode.
Xa isiphumo sendawo eshushu senzeka, ikhoyo ngoku ihamba nge-diode.Ngokubanzi, ubukhulu beqondo lobushushu besiphambuka, bungcono, kwaye ubukhulu boluhlu olusebenzayo lwebhokisi yokuhlangana.
③Ukuchasa uqhagamshelo
Akukho mfuneko yoluhlu olucacileyo lokumelana nokuxhamla, kubonisa kuphela umgangatho wokudibanisa phakathi kwe-terminal kunye ne-busbar.Kukho iindlela ezimbini zokudibanisa ii-terminals, enye i-clamping uxhumano kwaye enye i-welding.Zombini ezi ndlela zinezibonelelo kunye nezingeloncedo:
Okokuqala, i-clamping ikhawuleza kwaye ukugcinwa kukulungele, kodwa indawo enebhloko ye-terminal incinci, kwaye uxhulumaniso aluthembekanga ngokwaneleyo, okubangelwa ukuchasana okuphezulu kunye nokulula ukutshisa.
Okwesibini, indawo yokuqhuba indlela ye-welding kufuneka ibe yincinci, ukuchasana koqhagamshelwano kufuneka kube kuncinci, kwaye ukudibanisa kufuneka kube nzima.Nangona kunjalo, ngenxa yokushisa okuphezulu kwe-soldering, i-diode kulula ukutshisa ngexesha lokusebenza.
(2) Ububanzi be-Welding Strip
Ububanzi obubizwa ngokuba yi-electrode ububanzi bubhekisela kububanzi bomgca ophumayo wepaneli yelanga, oko kukuthi, i-busbar, kwaye iquka isithuba phakathi kwee-electrodes.Ukuqwalasela ukuchasana kunye nesithuba se-busbar, kukho iinkcukacha ezintathu: 2.5mm, 4mm, kunye ne-6mm.
(3) Ubushushu bokusebenza
Ibhokisi ye-junction isetyenziswe ngokubambisana nepaneli yelanga kwaye inamandla okulungelelaniswa nokusingqongileyo.Ngokumalunga nobushushu, umgangatho wangoku ngu-40 ℃ ~ 85 ℃.
(4) Ubushushu beJunction
Ubushushu be-diode junction buchaphazela ukuvuza kwangoku kwi-off state.Ngokubanzi, ukuvuza kwangoku kuphinda-phindeka kwiqondo ngalinye le-10 lokunyuka kobushushu.Ngoko ke, iqondo lokushisa elilinganisiweyo le-junction ye-diode kufuneka libe phezulu kunokushisa kwe-junction yangempela.
Indlela yokuvavanya ubushushu bomdibaniso we diode yile ilandelayo:
Emva kokufudumeza iphaneli yelanga ukuya kwi-75 (℃) ngeyure eyi-1, ubushushu be-bypass diode kufuneka bube ngaphantsi kunobushushu obuphezulu bokusebenza.Emva koko wandise i-reverse yangoku ukuya kwi-1.25 amaxesha e-ISC ngeyure eli-1, i-bypass diode ayifanele ihluleke.
(1) Uvavanyo
Iibhokisi zeSolar Junction kufuneka zivavanywe phambi kokusetyenziswa.Izinto eziphambili ziquka ukubonakala, ukutywinwa, ukulinganiswa kokumelana nomlilo, ukufaneleka kwe-diode, njl.
(2) Indlela yokusebenzisa iSolar Junction Box
① Nceda uqinisekise ukuba ibhokisi yokuhlangana yelanga ivavanyiwe kwaye ifanelekile phambi kokusetyenziswa.
② Ngaphambi kokubeka umyalelo wemveliso, nceda uqinisekise umgama phakathi kwee-terminals kunye nenkqubo yokubeka.
③Xa ufaka ibhokisi yokuhlangana, sebenzisa iglu ngokulinganayo kwaye ngokucokisekileyo ukuqinisekisa ukuba umzimba webhokisi kunye ne-backplane yepaneli yelanga zitywinwe ngokupheleleyo.
④Qinisekisa ukuba uyahlula iipali ezilungileyo nezingalunganga xa ufaka ibhokisi yokuhlangana.
⑤ Xa udibanisa ibha yebhasi kwi-terminal yoqhagamshelwano, qiniseka ukuba ukhangele ukuba ukuxhatshazwa phakathi kwebhasi yebhasi kunye ne-terminal kwanele.
⑥ Xa usebenzisa i-welding terminals, ixesha lokudibanisa akufanele libe lide kakhulu, ukuze lingonakalisi i-diode.
⑦Xa ufaka isivalo sebhokisi, qiniseka ukuba usibambe ngokuqinileyo.
Dongguan Slocable Photovoltaic Technology Co.,LTD.
Yongeza:I-Guangda Manufacturing Hongmei Science and Technology Park, No. 9-2, iCandelo leHongmei, iWangsha Road, iDolophu yaseHongmei, iDongguan, iGuangdong, iChina
I-TEL: 0769-22010201
