Thaum daws teeb meem tsis ua haujlwm lossis ua haujlwm tsis zoo, cov kws ua haujlwm feem ntau tuaj yeem ua haujlwm simulations lossis lwm yam cuab yeej tshuaj xyuas los txiav txim siab txog Circuit Court ntawm qib schematic. Yog tias cov txheej txheem no daws tsis tau qhov teeb meem, txawm tias cov kws tshaj lij engineers zoo tshaj plaws yuav raug stumped, ntxhov siab, lossis tsis meej pem. Kuv kuj tau ntsib qhov mob no thiab. Txhawm rau kom tsis txhob tsoo qhov tuag zoo sib xws, cia kuv qhia koj txog cov lus qhia yooj yim tab sis tseem ceeb heev: ua kom huv si!
Kuv txhais li cas los ntawm qhov ntawd? Qhov ntawd tau hais tias, qee yam khoom siv thaum lub sijhawm sib dhos PCB lossis hloov kho tuaj yeem ua rau muaj teeb meem loj hauv kev ua haujlwm yog tias PCB tsis khaws cia kom zoo. Ib qho teeb meem feem ntau nrog qhov tshwm sim no yog flux.
Daim duab 1 qhia txog PCB uas muaj cov dej ntws ntau dhau.
Flux yog cov tshuaj siv tshuaj siv los pab hauv cov khoom sib txuas rau PCB. Tu siab, yog tias tsis tshem tawm tom qab soldering, flux tuaj yeem degrade lub rwb thaiv tsev ntawm PCB, ua rau muaj kev puas tsuaj loj hauv kev ua haujlwm hauv Circuit Court!
duab 2
Daim duab 2 yog ib qho kev sim Circuit Court uas kuv tau siv los ua kom pom qhov tshwm sim ntawm cov kab mob flux. Qhov sib npaug ntawm Wheatstone choj network qhib los ntawm 2.5V siv hluav taws xob siv hluav taws xob emulates lub siab-impedance txuas nrog sensor. Qhov sib txawv choj sensor tso tawm VIN + - VIN- tuaj yeem txuas nrog INA333 nrog nce ntawm 101V / V. Hauv lub ntiaj teb zoo tshaj plaws, txij li tus choj nyob hauv qhov sib npaug, VIN + - VIN- = 0V. Tab sis cov kab mob flux tuaj yeem ua rau qhov tseeb choj sensor voltage maj mam txav mus rau lub sijhawm.
Hauv qhov kev sim no, tom qab kev sib sau ua ke, kuv kuj tau sau cov kev hloov pauv hauv VIN- thiab VOUT rau ib teev tom qab sib txawv ntawm kev tu:
1.Tsis huv;
2. Ntxuav ntawm tes thiab cua qhuav;
3.Ultrasonic tu, cua kom qhuav, ci.
duab 3
Raws li tau pom nyob rau hauv daim duab 3, flux contamination muaj kev cuam tshuam loj heev rau kev ua haujlwm ntawm tus choj sensor. Yog tias tsis muaj kev tu lossis kev ntxuav ntawm phau ntawv, tus choj sensor voltage yeej tsis tau mus txog qhov kev cia siab ntawm kwv yees li VREF / 2, txawm tias tom qab lub sijhawm ruaj khov ib teev. Tsis tas li ntawd, cov kab hluav taws xob tsis huv kuj tseem muaj cov suab nrov sab nraud. Tom qab ntxuav nrog ib tug ultrasonic da dej thiab kom qhuav tag, tus choj sensor voltage yog pob zeb khoom.
duab 4
1. Cov laug cam uas tsis huv tau nthuav tawm DC yuam kev, lub sij hawm nyob ntev, thiab lub suab nrov sab nraud tuaj tos;
2.Manually cleaned Circuit Court boards pom txawv txawv heev tsis tshua muaj suab nrov. Thaum kawg kuv pom qhov ua rau - nws yog lub voj voog cua txias hauv qhov chaw sim!
3.Raws li qhov xav tau, cov khoom ntxuav kom zoo thiab qhuav ua tau zoo heev, tsis muaj qhov tshwm sim ntawm ib qho twg thaum lub sijhawm kuaj.
Hauv cov ntsiab lus, kev tu dej tsis raug tuaj yeem ua rau muaj kev puas tsuaj loj, tshwj xeeb tshaj yog nyob rau hauv high-precision DC circuits. Raws li nrog tag nrho cov tes sib dhos lossis hloov kho PCBs, nco ntsoov siv lub da dej ultrasonic (los yog txoj kev zoo sib xws) rau kev ntxuav zaum kawg. Ci cov khoom sib dhos thiab ntxuav PCB ntawm qhov kub siab dua me ntsis kom tshem tawm cov seem seem tom qab cua qhuav siv lub tshuab cua compressor. Peb feem ntau ci ntawm 70 ° C rau 10 feeb.
Qhov yooj yim "ua kom nws huv" cov lus qhia no yuav pab koj siv sijhawm tsawg dua kev daws teeb meem thiab ntau lub sijhawm tsim cov kab hluav taws xob zoo, siab precision!
Xuange Electronicstau cog lus los ua lub ntiaj teb ua cov chaw tsim khoom ntawm cov khoom sib nqus, tsis yog cov khoom lag luam nkaus xwb tab sis kuj tsim cov kev pabcuam tsim los pab cov neeg siv khoom kom ua tiav cov txiaj ntsig zoo tshaj plaws. Tag nrho cov ntaub ntawv siv hauv cov khoom tau dhau UL / CEntawv pov thawjthiab tau dhau los ua kev sim nruj thiab tshuaj xyuas ua ntej ua zaub mov xa tuaj kom ntseeg tau tias ruaj khov thiab ua kom cov neeg siv khoom zoo. Nws yog ib tug trustworthy mus sij hawm ntev tus khub ntawm loj mainstream fais fab mov manufacturers!
Rau cov lus nug txog cov khoom, thov mus saibnplooj ntawv khoom, koj kuj txais tostiv tauj peblos ntawm cov ntaub ntawv tiv tauj hauv qab no, peb yuav teb rau koj hauv 24 teev.
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Post lub sij hawm: Apr-17-2024