Hauv kev faib cov tshuab hluav taws xob photovoltaic, photovoltaic micro inverter Circuit Court board yog ib qho tseem ceeb ntawm kev ua tau zoo hloov dua siab tshiab thiab ruaj khov ntawm lub hnub ci zog. Nws zoo li "neural network" ntawm micro inverter, txuas photovoltaic modules nrog rau daim phiaj fais fab. Nws tsis tsuas yog ua tiav cov kev hloov pauv ntawm cov ntaub ntawv hluav taws xob hluav taws xob, tab sis kuj ua kom ntseeg tau tias kev ua haujlwm ruaj khov ntawm tag nrho cov kab ke hauv cov cheeb tsam nyuaj. Nws qhov kev ua tau zoo ncaj qha txiav txim siab lub zog tsim hluav taws xob thiab qib kev nyab xeeb ntawm photovoltaic system.
1, Core Cheebtsam: Multi module kev sib koom tes "lub zog hloov dua siab tshiab"
Qhov sib xyaw ua ke ntawm pcb board rau photovoltaic micro inverters revolves nyob ib ncig ntawm "ntau zog ua", nrog rau kev faib tawm ntawm kev ua haujlwm thiab kev sib raug zoo ntawm txhua qhov module. Ntawm lawv, thaj chaw hloov hluav taws xob hloov hluav taws xob yog qhov tseem ceeb, uas yog lub luag haujlwm rau kev hloov pauv DC hluav taws xob tsim los ntawm photovoltaic modules rau hauv AC hluav taws xob uas ua tau raws li cov qauv kab sib chaws los ntawm ib qho kev sib txuas lus tshwj xeeb. Cov txheej txheem no yuav tsum tau ua kom tiav cov txheej txheem hauv Circuit Court kom ua tiav kev tswj xyuas ruaj khov ntawm qhov hluav taws xob thiab tam sim no, kom ntseeg tau tias lub zog hluav taws xob ua tau raws li cov qauv.
Qhov ntsuas ntsuas thiab ntsuas qhov ntsuas hluav taws xob yog lub luag haujlwm rau "sensing" muaj nuj nqi, nrog tshwj xeeb sensor interfaces thiab txhawb circuits rau tiag -lub sij hawm sau cov photovoltaic module tso zis tsis, pcb board kub cov ntaub ntawv, thiab daim phiaj kev twb kev txuas raws li txoj cai, muab teeb liab lub hauv paus rau kev ua haujlwm tom ntej thiab kev hloov kho. Piv txwv li, thaum lub zog tso zis ntawm photovoltaic module hloov pauv, thaj chaw no tuaj yeem ntes cov kev hloov pauv hauv thawj zaug thiab xa cov cim hloov kho kom raug.
Qhov chaw tswj thiab tsav hluav taws xob yog qhov "kev txiav txim siab-chaw ua thiab ua tiav", tshwj tseg rau kev teeb tsa ntawm microcontrollers lossis cov teeb liab digital processors, thiab nruab nrog cov khoom siv hluav taws xob txuas ntxiv. Raws li cov ntaub ntawv xa mus los ntawm cov qauv ntsuas hluav taws xob, kev tswj cov lus qhia tuaj yeem tsim raws li preset algorithms los tsav lub zog hloov hluav taws xob los kho lub xeev ua haujlwm. Nyob rau tib lub sijhawm, thaj chaw kuj tau nruab nrog kev sib txuas lus sib txuas sib txuas kom ua tiav cov ntaub ntawv uploading thiab saib xyuas cov chaw taws teeb, tso cai rau cov neeg ua haujlwm thiab tu cov neeg ua haujlwm tiag tiag - lub sijhawm tuav cov xwm txheej ua haujlwm ntawm pcb boards.
Tsis tas li ntawd, qhov chaw tiv thaiv Circuit Court yog "kev nyab xeeb teeb meem" ntawm lub pcb board, nrog rau cov circuits rau overvoltage, overcurrent, overheating, thiab Islanding tiv thaiv. Thaum muaj qhov txawv txav hauv daim phiaj hluav taws xob (xws li tam sim ntawd los yog poob rau hauv qhov hluav taws xob) lossis thaum qhov kub ntawm lub pcb board nws tus kheej siab dhau lawm, qhov kev tiv thaiv Circuit Court tuaj yeem ua rau cov txheej txheem tiv thaiv sai, txiav tawm qhov txaus ntshai Circuit Court los yog kho cov kev khiav hauj lwm tsis ua hauj lwm kom tsis txhob pcb board puas thiab kev nyab xeeb xwm txheej.
2, Kev sib txuas ua haujlwm: "Cov txheej txheem tsim khoom zoo" kom ntseeg tau tias kev ua haujlwm zoo
Kev ua ntawm photovoltaic micro inverter pcb board yuav tsum tsis tshua muaj siab precision thiab cov txheej txheem stability, thiab kev tswj ntawm txhua qhov txuas ncaj qha cuam tshuam rau qhov kawg kev ua haujlwm. Nws yuav tsum ua kom tiav los ntawm ntau qhov kev sib koom ua haujlwm zoo, tsom mus rau kev tsim khoom thiab kev ua haujlwm ntawm pcb board nws tus kheej thoob plaws hauv cov txheej txheem.
(1) Kev xaiv substrate thiab pretreatment
Thawj kauj ruam hauv kev ua yog xaiv substrate, uas yuav tsum tau ua ke nrog cov yam ntxwv ntawm kev ua haujlwm sab nraum zoov ntawm lub photovoltaic system los xaiv pcb substrates nrog kub thiab tsis kub tsis kam, corrosion kuj, muaj zog rwb thaiv tsev, thiab zoo heev tshav kub dissipation kev ua tau zoo. Cov ntaub ntawv substrate feem ntau yuav tsum ua qhov tseem ceeb ntawm kev tswj cov qauv kev ruaj ntseg nyob rau hauv ntev - lub sij hawm siab - qhov kub thiab txias ib puag ncig thaum muaj lub zog zoo txhua yam kom tsis txhob deformation ntawm substrate los yog kev ua haujlwm degradation tshwm sim los ntawm kev hloov ib puag ncig sab nraum zoov. Tom qab xaiv lub substrate, ua ntej- kev kho mob yuav tsum tau: ua ntej, tshem tawm cov roj thiab impurities ntawm lub substrate los ntawm cov tshuaj ntxuav cov txheej txheem, thiab ces siv mechanical polishing los txhim kho qhov roughness, txhim khu kev adhesion ntawm lub tom ntej Circuit Court thiab lub substrate, thiab nteg lub hauv paus zoo rau circuit fabrication.
(2) Kab ntau lawm thiab duab hloov
Circuit fabrication yog cov txheej txheem tseem ceeb ntawm pcb pawg thawj coj ua, uas yuav tsum tau hloov pauv ntawm cov qauv ua tiav rau lub substrate nto los ntawm photolithography technology. Ua ntej, sib npaug ntawm lub substrate nto nrog photoresist, thiab siv cov cuab yeej tshaj lij los tswj cov txheej txheej thickness thiab uniformity los xyuas kom meej cov nyhuv photolithography; Tom qab ntawd, cov qauv hauv Circuit Court yog raug muab tso rau hauv photoresist los ntawm lub tshuab raug, thiab lub sij hawm raug thiab siv tau nruj me ntsis tswj xyuas kom meej meej ntawm tus qauv; Tom ntej no, cov txheej txheem kev txhim kho yog nqa tawm kom tshem tawm qhov tsis pom kev photoresist, uas ua rau muaj qhov pom tseeb ntawm cov qauv hauv qab ntawm lub substrate; Thaum kawg, tshuab electroplating yog siv los tso cov txheej hlau (feem ntau yog tooj liab) hauv cov duab kos duab los tsim cov kab hluav taws xob. Thaum lub sij hawm tus txheej txheem, meej tswj ntawm electroplating tam sim no thiab lub sij hawm yuav tsum tau los xyuas kom meej lub thickness thiab ruaj khov conductivity ntawm cov kab, thiab kom tsis txhob teeb liab kis tau tus mob ntawm modules vim kab deviations.
(3) Drilling thiab qhov metallization kev kho
Txhawm rau kom ua tiav kev sib txuas ntawm cov txheej txheem sib txawv ntawm lub rooj tsavxwm pcb, kev kho qhov drilling thiab qhov metallization yuav tsum tau ua. Ua ntej, raws li qhov yuav tsum tau ua, siv lub siab - precision CNC drilling tshuab rau laum qhov ntawm qhov chaw ntawm lub substrate, nruj me ntsis tswj qhov luaj li cas ntawm lub qhov thiab qhov tseeb ntawm lub qhov txoj hauj lwm, thiab xyuas kom meej tias lub qhov nyob rau hauv txoj hauj lwm sib tw rau cov kev cai rau kev txuas txuas ntxiv thiab interlayer; Tom qab drilling tiav lawm, ib txheej nyias ntawm tooj liab tau muab tso rau ntawm lub qhov phab ntsa los ntawm cov txheej txheem tshuaj tooj liab deposition, thiab tom qab ntawd thickened los ntawm electroplating ua rau lub qhov conductive thiab ua tiav hluav taws xob sib txuas ntawm cov txheej txheem sib txawv. Thaum lub sij hawm tus txheej txheem, lub thickness thiab uniformity ntawm cov tooj liab deposition yuav tsum tau tswj kom tsis txhob muaj teeb meem xws li tsis muaj tooj liab nyob rau hauv lub qhov phab ntsa los yog tooj liab txheej detachment, kom ruaj khov teeb liab kis tau tus mob ntawm txheej.
(4) Cov txheej txheem kho deg
Txhawm rau txhim kho corrosion kuj, hnav tsis kam, thiab vuam kev ntseeg tau ntawm pcb boards, yuav tsum tau kho deg. Cov txheej txheem muaj xws li kub deposition, tin plating, tin spraying, thiab lwm yam .: Cov txheej txheem kub deposition tuaj yeem tsim ib txheej kub txheej ntawm lub rooj tsavxwm pcb, nrog rau kev ua tau zoo heev thiab oxidation tsis kam, haum rau siab - precision Circuit Court; Cov txheej txheem tin plating ua cov txheej txheem tin rau ntawm qhov chaw, uas yog tus nqi - zoo thiab tuaj yeem tiv thaiv oxidation ntawm txheej tooj liab; Cov txheej txheem tin spraying siv cov cua kub leveling los tsim ib txheej ntawm tin txhuas alloy rau saum npoo, txhim khu kev hnav tsis kam. Thaum lub sij hawm ua, nws yog ib qho tsim nyog los tswj lub thickness thiab uniformity ntawm txheej kom ntseeg tau tias qhov kev ua tau zoo ntawm qhov chaw ua tau raws li qhov yuav tsum tau ua rau ntev - siv sab nraum zoov.
(5) Kev tsim thiab kev kho ntug
Tom qab kev kho hluav taws xob thiab qhov chaw ua tiav, lub pcb board yuav tsum tau tsim thiab ua tiav. Raws li qhov loj me, siv CNC xuas nrig ntaus tshuab lossis laser txiav cov cuab yeej los txiav cov substrate rau hauv cov duab uas xav tau, nruj me ntsis tswj cov txheej txheem tsim, thiab xyuas kom meej tias qhov yuam kev loj nyob rau hauv qhov kev tso cai; Tom qab tsim, ntug kev kho mob yog nqa tawm kom tshem tawm burrs thiab ntse ces kaum ntawm lub board ntug. Cov npoo yog smoothed los ntawm kev sib tsoo los yog chamfering txheej txheem kom tsis txhob muaj kev puas tsuaj rau lwm yam khoom vim yog cov npoo ntse thaum lub sij hawm tom ntej installation, thaum txhim kho tag nrho cov neeg kho tshuab stability ntawm lub pcb board.
(6) Kev Ntsuas thiab Kev Tswj Xyuas Zoo
Tag nrho cov txheej txheem ua tiav yuav tsum muaj ntau qhov kev tshuaj ntsuam xyuas kom ntseeg tau qhov zoo ntawm pcb pawg thawj coj saib. Ua ntej, kev tshuaj xyuas tshwj xeeb yog ua tiav tom qab txhua txoj kev ua tiav: tom qab tsim cov khoom siv hluav taws xob, cov khoom siv kho qhov muag tau siv los xyuas seb puas muaj luv luv Circuit Court, qhib circuits, kab dav sib txawv, thiab lwm yam teeb meem hauv Circuit Court; Tshawb xyuas qhov aperture thiab qhov chaw qhov tseeb tom qab drilling; Ntsuas lub thickness thiab adhesion ntawm txheej tom qab kho deg. Cov khoom kawg yuav tsum tau kuaj xyuas qhov ua tau zoo ntawm hluav taws xob, suav nrog kev ntsuas hluav taws xob tiv thaiv, ntsuas kev ntsuas hluav taws xob, thiab lwm yam, txhawm rau txheeb xyuas seb qhov kev ua haujlwm hauv Circuit Court puas zoo li qub; Ib txhij ua ib puag ncig adaptability ua ntej kuaj, simulating sab nraum zoov ib puag ncig xws li qhov kub thiab txias, tsis tshua muaj kub, thiab cua sov, los xyuas qhov ua tau zoo ntawm pcb boards nyob rau hauv huab cua txias, xyuas kom meej tias txhua pcb board ua tau raws li qhov yuav tsum tau ua ntawm lub photovoltaic system.
3, Daim ntawv thov tus nqi: Txhawb nqa "kev ua tau zoo thiab kev nyab xeeb" ntawm cov tshuab photovoltaic
Hauv kev faib cov tshuab photovoltaic, daim ntawv thov tus nqi ntawm photovoltaic micro inverter pcb boards feem ntau yog tshwm sim hauv ob yam: thawj, kev txhim kho lub zog tsim hluav taws xob, thiab thib ob, ua kom muaj kev nyab xeeb ntawm kev ua haujlwm.
Los ntawm qhov kev xav ntawm kev tsim hluav taws xob tsim hluav taws xob, cov khoom siv hauv nruab nrab ntawm cov inverters yuav tsum sib sau ua ke thiab hloov cov txiaj ntsig ntawm ntau lub photovoltaic modules. Yog hais tias ib qho ntawm cov modules yog obstructed los yog malfunctioning, nws yuav cuam tshuam rau cov zis zog ntawm tag nrho cov hlua; Lub micro inverter sib raug rau ib qho photovoltaic module, thiab txhua lub pcb board ntawm nws tus kheej muab kev txhawb nqa rau lub zog hloov pauv ntawm lub module. Nrog rau qhov kev teeb tsa hauv Circuit Court, txhua lub module ua haujlwm ntawm nws qhov siab tshaj plaws lub zog taw tes, zam kev poob qis los ntawm "cov nyhuv chim".
Los ntawm qhov kev xav ntawm kev ua haujlwm kev nyab xeeb, kev tiv thaiv Circuit Court ntawm pcb board yog qhov tseem ceeb heev. Piv txwv li, thaum daim phiaj hluav taws xob raug txiav tawm, cov kab hluav taws xob tiv thaiv hluav taws xob tuaj yeem tshawb xyuas lub zog poob ntawm lub zog hluav taws xob sai, txiav tawm qhov txaus ntshai Circuit Court, tsis txhob xa hluav taws xob hluav taws xob mus rau daim phiaj hluav taws xob, thiab xyuas kom muaj kev nyab xeeb ntawm cov neeg ua haujlwm tu; Qhov kub tiv thaiv Circuit Court tuaj yeem kho qhov kev ua haujlwm hauv Circuit Court thaum lub pcb board kub siab dhau, tiv thaiv pcb board los ntawm kev puas tsuaj vim overheating. Tsis tas li ntawd, kev sib txuas lus ntawm lub rooj tsavxwm pcb tuaj yeem xa cov ntaub ntawv ua haujlwm tiag tiag - lub sijhawm ua haujlwm, tso cai rau cov neeg ua haujlwm thiab cov neeg ua haujlwm saib xyuas kom sai li sai tau pom qhov ua tsis tau zoo (xws li kab laus thiab kev ua haujlwm tsis zoo ntawm cov rwb thaiv tsev), ua haujlwm tu ua ntej, thiab txo lub sijhawm ua haujlwm.