1.Cov khoom tam sim no
Kev Qhia:
Txheej: 4
Board Thickness: 1.6 hli
Kev kho qhov chaw npog: kev tiv thaiv nyiaj dawb.
Khoom siv: FR4 TG170.
Min kab dav / kab nrug: 8 / 10mil
Tooj liab: 105μm
Uniwell muab ib sab rau ib sab, ob txheej rooj sib tham, multilayer boar (txog rau 32 txheej), ib sab flex board, ob sab sab flex board thiab multilayer flex board, txhim kho lub rooj tsav.
Cov ceev ceev tig ntawm tsab prototype tsis muaj kev pab zoo yog qhov ua cim tshaj plaws.
2. Qhia cov ntaub ntawv
Raws li hauv Shenzhen, Uniwell circuits cO., LTD. hauv kev tsim, kev tsim khoom, kev tsim khoom thiab kev muag khoom ntawm high precision double-sided & Multilayer PCBs (Cov Ntawv Sau Tseg Circuit Court Board) los ntawm kev ceev nrooj, tsab ntawv pov thawj, nruab nrab thiab loj,
- Kev cog lus PCB
- PCB Cov Kev Pab Sib Tham
- PCB tsim thiab muag
- Cheeb Tsam Khoom Siv & khoom siv
- Khoom tsim
- PCB yoj & PCBA prototyping
- Cov xov tooj cua thiab xov tooj cua
- Plastics thiab pwm
- AOI, Xeem hluav taws xob, lwm yam kev pab cuam kev ntsuam xyuas
3. Zoo siab tsim qauv PCB tsim nyog yuav tsum saib xyuas cov lus nug.
Cheeb Tsam Me Nyuam yog ib theem pib rau kev tsim kom muaj tus qauv PCB kos duab zoo tshaj plaws. Qhov yuav tsum tau ua rau kev teeb tsa muaj xws li kev txhim kho, kev nyuab siab, cua sov, teeb liab thiab loog.
Txheej Txheem Tshaj Plaws yog ib qhov yooj yim rau kev tsim cov qauv zoo hauv PCB.
1) Qhov kev teeb tsa ntawm lub cev
Cov ntawv yuav tsum muaj rau kev teeb tsa kev tsim khoom, kev nyuab siab, cua sov, teeb liab thiab kev ua kom zoo nkauj.
1.1.Installation
Hais txog qhov teeb meem ntawm cov ntaub ntawv thov, txhawm rau txhim kho lub rooj sib txig ntawm lub rooj sib txig rau hauv chassis, plhaub, qhov chaw, tsis cuam tshuam qhov chaw cuam tshuam, xws li kev sib tsoo luv luv, thiab ua tus ntiv tes tso rau hauv kev teev meej ntawm lub chassis lossis enclosure thiab muab tso rau pem hauv ntej series ntawm cov kev txwv yooj yim.Kuv yuav tsis mus rau qhov ntawd.
1.2.Qhov kev nyuab siab
Lub rooj tsav xwm lub rooj sib tham yuav tsum muaj peev xwm tiv thaiv txhua yam ntawm sab nraud rog thiab kev vibration thaum nruab thiab kev lag luam. Yog li ntawd, lub rooj tsav xwm lub rooj sib tham yuav tsum muaj lub laj thawj zoo, thiab qhov chaw ntawm ntau lub qhov (cov qhov ntsia hlau thiab qhov tshwj xeeb zoo qhov) ntawm lub rooj tsavxwm teem caij ua ntej.Generally, qhov sib txawv ntawm lub qhov thiab lub phaj yog siab dua lub taub ntawm qhov taub. Tib lub sij hawm, nws yuav tsum raug sau tseg tias cov qis tshaj plaws ntawm cov daim hlau ua los ntawm qhov tshwj xeeb ntawm qhov yuav tsum muaj txaus khoov zog.Qhov txuas ntawm lub rooj tsav tsheb ncaj qha "txuas ntxiv" cov khoom siv vaj tse, tshwj xeeb tshaj yog txhawm rau xyuas kom muaj kev ywj pheej ntawm kev siv mus sij hawm ntev.
1.3.Heat
Nyob rau hauv cov ntaub ntawv ntawm lub hwj chim thiab cua sov li, ntxiv rau kev tiv thaiv cov cua sov dissipation rau cov neeg mob, nws yuav tsum tau muab tso rau hauv txoj hauj lwm kom zoo. Tshwj xeeb tshaj yog nyob rau hauv qhov kev simulation simulation system, nws yog qhov yuav tsum tau them nyiaj tshwj xeeb mloog mus rau qhov teeb meem ntawm qhov kub qhov kub generated los ntawm cov khoom siv nyob rau hauv lub thev naus laus zeeg. Lub hauv paus loj, feem ntau ntawm lub hwj huam yuav tsum tau muab cais ua ib pawg, thiab qee qhov kev ntsuas cua thermal tawm yuav tsum tau nrog cov teeb meem ua hluav taws xob.
1.4.Qhov teeb liab
Qhov kev cuam tshuam ntawm qhov teeb meem yog qhov tseem ceeb tshaj plaws uas yuav tsum tau xav txog hauv PCB kev tsim qauv .Txhua yam tseem ceeb muaj xws li: qhov teeb meem tsis muaj zog thiab cov teeb liab sib cais lossis cais tawm; qee zaus qee zaus; Ceeb toom txoj kev taw qhia ntawm cov kab xov xwm; Kev npaj ntawm cov kab hauv av; Txhim kho thaiv, lim thiab lwm yam kev ntsuas.These yog cov lus sib tham ntau dua, thiab tsis rov ua dua ntawm no.
1.5.Blues
Tsis tas yuav tsum yog koj xav txog kev tso cai zoo thiab tsim nyog ntawm cov cheebtsam, tabsis tseem xav txog kev khiav zoo ntawm txoj kab.Thaum lub tsev tseem ceeb feem ntau xav txog cov qub, nws yog qhov yuav tsum tau ntsuam xyuas qhov zoo thiab qhov tsis zoo ntawm qhov kev tsim qauv. Yuav kom pom cov duab, tus qub yuav tsum muab qhov tseem ceeb thaum qhov kev ua haujlwm tsis yog xav tau.Txawm li ntawd los, thaum muaj kev kawm siab, yog tias koj yuav tsum siv lub rooj zaum ob, thiab lub rooj tsav xwm Circuit Board nrog rau hauv nws, koj yuav tsum muab qhov muaj feem thib rau kev zoo nkauj ntawm txoj kev taug kev mus.Qhov ntu tom ntej no yuav tham txog "kev pleev xim" ntawm kev thaiv.
2) Txoj cai tswj
Cov hauv qab no yog cov ncauj lus kom ntxaws txog qee qhov tsis tshua muaj kev cuam tshuam kev cuam tshuam rau hauv cov ntaub ntawv. Tshaj tawm cov tswv yim siv, tshwj xeeb tshaj yog hauv cov khoom siv khoom, ntau tus siv ob lub iav siv tseem, thiab cov lus hauv qab no tsuas yog siv .
2.1.Neeg "ua zoo nkauj"
Tsis txhob muaj cov ces kaum thaum koj tig, thiab sim ua kom muaj kev hloov nrog kab pheeb ces kaum los yog kos.
Cov kab no yuav tsum tau ua raws nraim thiab ua raws nraim, thiab npaj rau hauv ntau pawg, uas tsis tuaj yeem tsuas zam kev cuam tshuam ntawm kev sib txawv ntawm kev sib txawv, tiam sis kuj pab soj ntsuam thiab hloov kho.Rau cov kab xev, cov teeb liab ntawm tib lub zog (xws li cov ntawv xov xwm, chaw nyob kab) tsis tas yuav txhawj txog qhov teeb meem ntawm kev cuam tshuam, tiam sis nyiam nyeem, sau ntawv, tswj lub teeb liab, nws yuav tsum txias, zoo tshaj plaws tiv thaiv kab hauv av.
Loj pem teb (yuav ntxiv rau hauv qab no), hauv av hlau (nws yuav tsum yog "ntsej muag") thiab sim ua kom sib npaug zos sib txawv ntawm qhov teeb meem ntawm qhov teeb meem, nyob rau hauv qhov chaw tiv thaiv luv luv, tawm mus kom ntau li ntau tau.
Rau cov kev tsis muaj zog tam sim no, cov kab hauv av thiab cov xaim hluav taws xob yuav tsum nyob ze li zoo tau.
Siv lub system ntawm lub feem ntawm lub rooj, lub teeb liab kab ntawv yog tag nrho li sai tau.
2.2.Qhov chaw nkaum.
Muaj ntau txoj kev sib tham ntawm qhov tseem ceeb thiab kev cai ntawm qhov chaw hauv kab ntawv, tiam sis tseem muaj qhov tsis paub meej thiab raug taw qhia rau cov kab hauv av hauv qhov tseeb PCB.Kuv xav paub tias, qhov kev cia siab ntawm lub system (tsis yog ua ib qho kev sim qauv), cov kab hauv av tsis tuaj yeem ua rau ntau tshaj, tshwj xeeb tshaj yog nyob rau cov teebmeem tsis muaj zog. Yog li no, peb yuav tsum tsis txhob siv zog siv lub tswv yim ntawm "qhov chaw loj".
Thaum paving hauv av, nws yuav tsum muaj kab sib chaws - zoo li, tshwj tsis yog nws yog fragmented los ntawm lwm cov kab.Qhov thermal kev kawm thiab cov high conductivity ntawm daim phiaj yog zoo dua li ntawm tag nrho hauv av.Thaum ob lub thaiv vaj huam khuav, qee zaus nws yog qhov tsim nyog cais lub hauv paus xaim xwv kom taug kev rau kab xev, uas tsis tshua muaj qhov tsis zoo rau kev tswj kom tsis muaj txaus hauv av.Yog vim li no, lub ntsiab lus ntawm "ntse" txhais tau tias yuav tsum tau saws los xyuas kom meej tias "tus" ntawm qhov tam sim no. suav nrog:
Ntau qhov chaw saum npoo av raug siv los tshem tawm qhov "thawj" qhov chaw nyob los ntawm qhov vuam qhov.
Siv qhov chaw zoo: kev siv ntau qhov chaw ntawm qhov chaw ntawm lub sijhawm, sim ua kom lub teeb liab nce mus rau saum toj kawg nkaus, kom deb li tau mus rau hauv av mus rau hauv qab "nws tus kheej", nws kuj hais txog ntau lub tswv yim, Kuv phau ntawv nyob rau hauv ib ntawm cov kev txawj PCB: pauv pauv muaj ib tus neeg nrhiav, muaj ntau ntau yam zoo sib xws, yuav sau ntxiv.
Qhov tsim nyog ntawm cov teeb meem ntawm kev teeb tsa, yuav ua kom tiav hauv cov chaw tseem ceeb, tshwj xeeb tshaj yog "lub plawv" (ntawm no yog hais txog tag nrho cov lus sib cog lus hauv av) "mus" rau hauv av, tsuav yog tus qauv tsim, nws tseem tuaj yeem ua tau.
Kev koom tes tsis zoo thiab kev sib raug zoo: qee zaum ib sab ntawm lub phaj, av yog "xav ua kom tau", tuaj yeem ua kom ob tog ntawm txoj kab sib tshooj sib koom ua ke tam sim no, "Kuv tsis tuaj yeem nyob ntawm no nws qhov chaw rau koj" , nyob rau hauv txoj hauj lwm uas sib thooj sib thooj rau qhov khoob tawm ntawm qhov chaw khawb ntawm qhov chaw txaus, rov qab los ntawm tus naj npawb, qhov chaw, tsim nyog txaus ntawm (xaiv qhov chaw ua hauj lwm loj dua), ntawm qhov no: "Tus choj" yuav raug faib ua cov kab ntawm lub teeb liab uas tau raug hla lawm, tab sis lawv tsis kam xa mus, thiab cia siab tias lub teb chaws ob tog ntawm Taiwan straits yuav muab sib ntxiv ua ke kom muaj hluav taws xob kom txaus.
Tus nab npawb ntawm cov dev: Nws yog qhov nyuaj heev kom tau tawm ntawm qhov chaw thiab tsis kam mus rau hauv kab loj hauv av los txiav tawm los ntawm ib qho leb kab, qhia qhov teebmeem kev tsis ncaj ncees no me ntsis, taug kev hla lub thaiv. , Kuv tsis yog cov ntsiab lus cia li rub ib txoj hlua khi, lub teeb liab precisely thiab xav tau los ntawm kev tawm tsam, lossis lwm tus "ntev txhais ceg", Kuv tuaj yeem tsim nyog ncaj qha mus cuag tus pin ntawm lub ntaus ntawv, txoj haujlwm ntawm ib nrab sij hawm jumper, ob leeg los ntawm qhov teeb liab, thiab tsis txhob jumper no lub npe unseemly: - (feem ntau, ntawm chav kawm, kuv yeej ib txwm ua xws li ib lub teeb liab los ntawm qhov chaw kom tsis txhob hauv av los ntawm tus ntoo khaub lig, tsuas xav tau yog kev soj ntsuam thiab kev xav.
Thaum tsawg kawg, txoj kev ntawm lub hauv paus yuav tsum yog tsim nyog, thiab qhov loj thiab tam sim no tsis muaj teebmeem tam sim no yuav tsum tsis txhob pib ntawm ib sab. Tej zaum, xaiv ib txoj kev tsim nyog, kab hauv kab hauv av yog tsim nyog rau ib pawg neeg uas tsis thwj.
Thaum kawg, muaj ib lub npe hais tias: "koj tuaj yeem ntseeg koj niam, tab sis tsis txhob tso siab rau koj thaj av." Lub sijhawm ua qeeb heev (hauv qab microvolt), txawm tias yog sib tsoo los yog sib tw ua kom zoo ib yam , ntawm cov ntsiab lus tseem ceeb ntawm cov av muaj peev xwm sib txawv tseem xav ntau tshaj qhov teeb meem uas ua tiav, qhov kawg ntawm qhov kev txiav txim siab ntawm qhov ntau, txawm tias txoj cai zoo li qub, instantaneous muaj peev xwm tseem yuav loj heev.Koj xav li no, yog ua kom txoj haujlwm ntawm Circuit Court ua haujlwm ntawm lub peev hauv av kom ntau li ntau tau.
2.3.Power kab layout thiab hwjchim lim.
Kuv tsis pom zoo nrog cov ntaub ntawv sau tseg tias lub hwj huam kab yuav tsum yog tuab li sai tau.Thiab hauv siab zog (1 vib nas this nruab nrab zog tam sim no muaj peev xwm mus txog 1 a), yuav tsum xyuas kom txaus lub zog qaum dav (kuv kev, 50 mil ib 1 tam sim no sib hawv kom haum rau cov kev xav tau ntawm feem ntau yog) .Qhov dav ntawm lub hwj huam qaum tsis yog tus yuam sij yog tias tsuas yog los tiv thaiv kev cuam tshuam los ntawm lub teeb liab.Txhua zaus, qee zaum qhov kev siv fais fab zoo dua yog qhov zoo tshaj! feem ntau tsis nyob hauv nws cov nqi, tab sis hauv lub fluctuation ntawm lub hwj huam thiab cov cuam tshuam ntawm superposition.The yuam sij rau fais fab kev cuam tshuam yog lim capacitance! Yog hais tias koj daim ntawv thov muaj nruj cai rau lub hwj huam zoo, tsis txhob skimp ntawm lub lim capacitor! siv lub lim peev xim, ceeb toom cov hauv qab no:
Tag nrho cov khoom siv hluav taws xob tag nrho yuav tsum muaj "ntsuas" tag nrho, thiab ntau hom kev lag luam yuav tsum sib npaug ib leeg, "ib yam tsis tau tsawg, tsawg kawg yog tsis zoo J rau digital system yuav tsum muaj tsawg kawg 100 + 10 uF uF electrolytic tantalum + uF + 1 nf SM thaj thaj 0.1.High zaus (100kHz) 100uF electrolysis + 10uF nti tantalum + 0.47uF thaj + 0.1uf thaj.Kev simulation sim: rau dc thiab tsawg zaus analog tshuab: 1000uF | 1000uF electrolysis + 10uF tantalum + 1uF thaj + 0.1uF thaj.
Yuav tsum muaj "teeb" cov lim capacitors nyob ib ncig ntawm txhua qhov tseem ceeb nti.Rau cov tshuab nruab nrab, ib qho 0.1 uF thaj yog txaus, tseem ceeb lossis ua haujlwm tam sim no thiab nti loj dua yuav tsum yog rau 10 uF nti tantalum lossis 1 uF thaj, qhov siab tshaj ua haujlwm zaus chips (CPU, muaju) thiab 10 nf | 470 pf los yog ib tug 1 nf.Qhov kev ua lag luam yuav tsum ze li qhov ua tau rau tus ntiv tes chais fais fab thiab kom ncaj li sai tau, me dua qhov ze.
Rau hauv lub taub lim poom, lub sab hauv (lim capititance rau lub nti fais fab tub lub ko taw) yuav tsum yog tuab li sai tau, nyiam dua nrog ntau yam kab zoo nkauj.Xob nrog lub lim capacitor yog tsawg (AC) impedance voltage qhov chaw thiab suppress kev sib pauv cuam tshuam, sab nraud condenser tube taw (los ntawm lub zog loj los lim capacitance ntawm ib tug) lub hwj huam qaum tsis tseem ceeb, tsis txhob raug tuab kab dav heev, tsawg kawg yuav tsum tau coj ntau lub phaj cheeb tsam.Nyob rau hauv tej lub tshuab simulation, lub zog tawm tswv yim kuj yuav tsum tau siv lub RC lim network kom ntxiv suppress cov cuam tshuam, thaum lub hwj huam me zog qee zaum kuj tshwm sim muaj cov nyhuv ntawm cov resistor hauv RC lim, uas yog lig.
Rau lub kaw lus uas muaj ntau yam kev khiav hauj lwm kub, nws tseem ceeb heev kom nco ntsoov tias aluminium electrolytic capacitor yuav ua rau txo los yog poob lub lim dej ntawm tsawg dua, thiab tsim nyog siv tantalum capacitors xwb.Piv txwv li, siv 100uF tantalum | 1000uF txhuas tsis muaj 470uF txhuas, lossis hloov 100uF aluminium nrog 22uF nti tantalum.
Nco ntsoov tias cov hlau electrolytic capacitors yuav tsum tsis txhob nyob ze rau cov hluav taws xob cua sov.
4.Our cov neeg tseem ceeb yog los ntawm cov lag luam nruab nrab ntawm cov neeg siv cov khoom siv hluav taws xob, digital cov khoom, xov tooj cua telecommunication, tswj kev lag luam, kev kho tsheb thiab kev kho mob, thiab lwm yam. Peb cov neeg tau txais kev pabcuam tau tsim muaj lub zog ua haujlwm rau kev loj hlob ntawm tuam txhab.
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