Dhizaini uye Kugadzira PCB yeBorescope Inotakurika: Gwaro reVagadziri veKamera Yekuongorora

PCB inotakurika ine borescope haiwanzova bhodhi rimwe chete. Makamera mazhinji ekuongorora anopatsanura maelektroni pakati pekamera diki iri pamucheto weprobe nebhodhi guru rekudzora riri muruoko, USB adapter kana Wi-Fi module. Tambo refu inochinjika inobatanidza matunhu maviri iwayo uye inofanira kutakura data revhidhiyo kana mifananidzo, masaini ekudzora, simba uye kupwanywa kuburikidza neboka rinogona kukotama, kumonyoroka uye kuratidzwa munzvimbo dzemaindasitiri.

Magadzirirwo iwayo akapararira ndiwo dambudziko guru rekugadzira. PCB yekamera inodziviswa nehukuru hweprobe, kurongeka kwemaziso uye kuiswa kweLED, nepo bhodhi guru ringave rine processor yemufananidzo, display, USB-C, Wi-Fi, nzvimbo yekuchengetera uye kuchaja bhatiri. Kuvharirwa kwetambo, kuramba kufambisa tambo, kushandura kweconnector uye shielding zvinobatanidza mashandiro emabhodhi ese ari maviri. Mupi wemidziyo anotora PCB yega yega anogona kukanganwa njodzi dzesystem-level.

Highleap Electronics inogona kugadzira nekubatanidza maPCB akasimba, anochinjika kana akasimba akagadzirwa nevatengi kana zvichidikanwa nedhizaini yakaburitswa, zvikamu zvekutanga, kuunganidza zvinobatanidza uye kuita bvunzo dzinoshanda dzakatsanangurwa nevatengi. Dhizaini yelenzi, kudzivirira mvura uye kusimbiswa kweprobe kwakazara zvinoramba zviri padanho rechigadzirwa kunze kwekunge zvatsanangurwa zvakasiyana.

Maborescopes ega ega, USB, Wi-Fi uye Smartphone mabasa akasiyana ePCB

Saka zita rechigadzirwa haritauri zvakawanda nezvekuomarara kwePCB. Kamera yekuongorora yeUSB inogona kungoda bhodhi diki reinterface uye kubatanidza kamera. Chishandiso chehunyanzvi chinogona kuwedzera kuratidzwa kwemhando yepamusoro, kuchengetwa kwemifananidzo, makamera maviri, kutamiswa kwewaya uye bhatiri rakakura. Pakeji yekugadzira inofanira kuratidza sensor yekamera, interface yedata, kuvakwa kwetambo uye dhizaini yebhodhi rekutonga usati wasarudza kuverenga layer kana maitiro ekubatanidza.

Magadzirirwo aya anosarudzawo nzira yekuedza. Bhodhi rine kamera rinogona kunge rakakwana pamagetsi asi risingashande mushure mekubatanidzwa nekuti tambo inodzokera shure, magetsi e LED anodonha pamwe chete nemaconductor, kana kuti chinongedzo hachina kuenderera mberi zvakanaka pasi. Saka bvunzo yekugadzira inofanira kusanganisira nzira chaiyo yetambo pane kuyedza bhodhi rekamera risina chinhu pese pazvinogoneka.

PCB Yekudzora Kukuru vs PCB Yekamera-Tip

PCB ine muromo wekamera inowanzo tsanangurwa nemakanika pamberi pebhodhi guru nekuti dhayamita yeprobe ndiyo inonyanya kukosha pakugadzirwa kwayo. Izvi zvinogona kumanikidza bhodhi rakamanikana, geometry isina kujairika yekubatanidza kana muswe unochinjika. Mainjiniya vanofanira kudzivirira kufunga kuti rigid-flex inosungirwa: bhodhi diki rakasimba rakabatanidzwa pa micro-coax kana tambo ine macore akawanda rinogona kuva mhinduro iri nyore uye inodhura zvishoma kana makanika achibvumira.

PCB huru yekudzora ine nzvimbo yakawanda asi kazhinji mabasa akawanda. Dhizaini yeUSB chete inogona kushandisa bridge IC uye mamwe ma regulator, nepo unit yekuratidza yega inogona kuda application processor, memory, LCD/FPC, storage uye wireless circuitry. Saka mabhodhi maviri aya angada kuverengwa kwakasiyana kwe layer, surface finishes uye assembly flows kunyangwe ari echigadzirwa chimwe chete.

Matambudziko Ekutumira Zviratidzo zveKamera muBorescope PCB Design

Waya refu yakamanikana yeprobe ndeimwe yezvikamu zvemagetsi zvakaoma zveborescope. Waya iyi inounza conductor resistance, capacitance, inductance uye crosstalk. Huwandu hwemargin hunoenderana neinterface yekamera: link ine serialized low-rate inoita zvakasiyana neparallel pixel bus kana imwe high-speed digital stream. Tsanangudzo yeinterface ye sensor kana bridge vendor inofanira kutsanangura zvinodiwa nemagetsi.

Chengetedza nzira yekudzoka kuburikidza nekuchinja kwese

Kusimba kwechiratidzo hakudzorwi nePCB trace chete. Nzira yakazara inosanganisira kubuda kwekamera-pad, bhodhi remazano ekamera, tambo inosonerwa kana chinongedzo, tambo yegeometry, chinongedzo chebhodhi guru uye nzira yekugamuchira. PCB pair inodzorwa zvakanaka inogona kuramba ichikundikana kana nzvimbo yekubatanidza isina kusimba kana kuti kuchinja kwetambo kuchiita kuti pave nekusagadzikana kukuru kweimpedance. Saka, maconductor epasi nekudzivirira zvinofanira kutsanangurwa sechikamu chekubatanidza, kwete kusiiwa kuti zvishandiswe pakutsvaga tambo mushure mekunge PCB yapera.

Tambo refu dzinoita kuti ESD neruzha rwekunze zvive zvakakosha

Chinoongorora chinogona kushanda seantenna uye chinogona kubatwa pamuchina wakadzika kana kuiswa munzvimbo dzine ruzha rwemagetsi. ESD nedziviriro yenguva pfupi zvinofanirwa kuiswa panotarisirwa dhizaini yakaburitswa, nenzira pfupi dzekuburitsa zvinhu kusvika kune yakakodzera. Zvikamu zvedziviriro zvinowedzera capacitance, saka kuenderana kweinterface nekukurumidza kunofanirwa kufungwa nezvako pane kusarudza generic ESD diode nevoltage rating chete.

Usawedzera zvidzitiro zviri nyore kune zviratidzo zvekamera zvinokurumidza

Mapedhi makuru ekuyedza, matavi ekubatanidza asina kushandiswa uye matanda marefu anogona kukanganisa nzira yekumhanya kwepamusoro. Kupinda kwekuyedza kugadzirwa kunofanirwa kugadzirwa kuita mitsetse yekudzora inomhanyisa zvishoma kana kuburikidza nezvishandiso zvakatenderwa. Kana rwizi rwekamera ruchifanira kuferefetwa, OEM inofanira kusarudza nzvimbo yekuyedza inodzorwa pane kukumbira muunganidzi kuti agadzire imwe.

Kune ma interfaces anodzorwa-anopindirana, mugadziri anoda ma stack-up uye impedance anogamuchirwa ezvose kamera-tip uye main PCB. Tambo pachayo inofanira kutsanangurwa kuti irambe iine nzira yemagetsi inoenderana.

Kuendeswa kweMagetsi, Kuvhenekesa kwe LED uye Kudzoka Kwepasi Kuburikidza neProbe

Musoro wekamera unowanzo shandisa simba rekuona mufananidzo uye rimwe kana kupfuura ma LED echiedza. Ma conductor etambo dzakatetepa anogona kukonzera kudzikira kwemagetsi, kunyanya kana magetsi e LED akakwira. Bhodhi rinoshanda netambo pfupi rinogona kusviba kana kudzima kana kureba kweprobe yekugadzira kwaiswa.

Dhizaini kubva pakurambwa kwetambo kwakanyanya kunaka

Bhajeti remagetsi rinofanira kusanganisira kureba kwetambo, conductor gauge, connector contact resistance uye LED duty cycle. Zvichienderana nekwakagadzirwa, main board inogona kutumira voltage yakakwira pasi petambo uye kudzora munharaunda, kana kuti inogona kuendesa final sensor rail zvakananga. Mutemo wemunharaunda unogona kuvandudza kushivirira kwetambo asi unowedzera kupisa nenzvimbo yePCB pamucheto. Kupihwa kwemagetsi zvakananga kuri nyore asi kunosiya voltage shoma.

Mwenje we LED unoenderana nemhando yemufananidzo uye kupisa.

Kuwedzera kwemagetsi e LED kunogona kuwedzera kupenya munzvimbo dzine rima asiwo kunowedzera kudonha kwetambo uye tembiricha yeprobe-tip. Kupisa kunogona kukanganisa sensor yemufananidzo uye kupfupisa hupenyu hwe LED. Imba yemakanika inofanira kuitisa kana kutsungirira kupisa ikoko. PCB copper inogona kuiparadzira munzvimbo iyoyo, asi dhizaini haifanirwe kufunga kuti mhangura yakawanda inogadzirisa yega dambudziko rekupisa kweprobe miniature rakavharwa.

Vatyairi vepasi vane simba uye chiratidzo-kudzoka kwemagetsi

Kana magetsi e LED akagovana dhayamita diki nekamera, kuchinja kwechiedza kunogona kuchinja mareferensi epasi uye kukanganisa data. Kugoverwa kwepini yetambo uye nzira dzekudzoka kwePCB dzinofanira kuparadzanisa kana kutonga magetsi aya zvichienderana nekugadzirwa kwenzvimbo. Dambudziko iri rinonyanya kuoneka kana ma LED akaderedzwa nePWM nekuti mipendero yemagetsi inogadzira ruzha rwenguva nenguva.

Kugadzira Musoro weKamera Kadiki: Sarudzo dzePCB Dzakasimba, Dzakapfava uye Dzakapfava

Dhayamita yeprobe ndiyo inotungamidza nzira yePCB chaiyo. Bhodhi diki rakaoma ndiyo sarudzo iri nyore kana sensor yemufananidzo neringi ye LED zvikakwana mukati mechikamu chiripo. Flex PCB inogona kupfuura nepakati pechikamu chakamanikana kana chakakombama uye inogona kuderedza vhoriyamu yekubatanidza. Rigid-flex inogona kusanganisa chitsuwa chakasimba chine zvikamu nemuswe wakabatana unochinjika, zvichigona kubvisa chinongedzo chidiki chinobva pabhodhi kuenda kune tambo.

Dhizaini yeflex inofanira kuona nzvimbo dzakakombama dzisingachinji kana kuti dzinoshanduka. Zvidimbu zvemhangura hazvifanirwe kupfuudzwa nepakati pemakombama asina kusimba, uye ma component pads anofanira kuchengetwa kure nenzvimbo dzinotarisirwa kugokora kakawanda. Zvidimbu zvinogona kutsigira pasi pezvinobatanidza kana zvisungo zvetambo zvakasungirirwa. Dhirowa yekugadzira inofanira kutsanangura chifukidziro, zvinhu zvakasimba/ukobvu uye kuchinja kwakasimba pane kuvimba ne "flex tail" chaiyo.

Kune assembler, mabhodhi madiki emakamera angada mapaneru ekutakura kana zvigadziriso saka kudhinda nekunamira nekuisa zvinoramba zvakagadzikana. Kubvisa mapaneru kunofanirawo kuchengetedza sensor uye flex transition kubva pakukombama kana kusvibiswa kwezvikamu. Geometry inonyanya kugadzirwa inowanzo gadzirwa panguva yeDFM optics neprobe tooling zvisati zvapedzwa.

Sensor yeMufananidzo neKuungana kweLED: Kurongeka, Kudzoka uye Kuchena Kwemaziso

Kubatanidzwa kwemusoro wekamera kune chiyero che optical icho PCBA yemazuva ano isina. Sensor yemufananidzo inoda nzvimbo inogoneka kana tichienzanisa nebhare re lens, uye ma LED anoda kuiswa nguva dzose akatenderedza axis yekuona. Kurongeka kwekusarudza nekuisa kunobatsira, asi kurongeka kwekupedzisira kwe optical kunoenderanawo neimba yemakanika, chigaro che lens, namatidza uye maitiro ekutarisa.

Sensor package uye miganhu yekudzoka kwemvura zvinofanirwa kutsanangura maitiro

Mamwe masensa emakamera nemamodules anoenderana nekushandiswa kwemafuta asina lead; mamwe ane mitemo yekubata, hunyoro kana kuyerera kwemafuta. Datasheet yechikamu inofanira kudzora kubika, kuchengetera, tembiricha uye kuchenesa. Mupi wePCBA haafanire kufunga kuti sensor yega yega yemaziso inogona kugezwa kana kuiswa kune makemikari akafanana neakajairika edhijitari ICs.

Kuchena kwemaziso chinhu chinoratidza goho

Guruva, mabhora ekusonesa, mhute inoyerera kana zvigunwe zviri pedyo nesensor kana lenzi zvinogona kuonekwa sezvinhu zvinoonekwa. Mirayiridzo yebasa ingangoda kubatwa kwakarongeka, zvivharo zvekudzivirira, kucheneswa kwenzvimbo kana kubatanidzwa kwemaziso. Izvi zvakasiyana nekuchena kweionic pakubuda kwemagetsi: bhodhi rinogona kucheneswa nemagetsi zvakakwana asi richikundikana kuongororwa kwemhando yemufananidzo nekuti chidimbu chiri munzira yemaziso.

Kurongeka kwe LED uye kuenzanisa kwemaziso

Polarity ye LED inodiwa nemagetsi, asi kona uye pakati pemakanika zvinokanganisa kufanana kwechiedza. Kana probe ikashandisa LED yakatenderera, mufananidzo wekubatanidza unofanirwa kutsanangura mafambiro uye chero chinodiwa chebinning. Kufanana kwekupedzisira kwechiedza kunofanirwa kusimbiswa uchishandisa chinangwa chemufananidzo chakasarudzwa nemutengi kana chikamu chegoridhe pane kufungidzirwa kubva pakuonekwa kwejoint-solder.

Kugara: Kuchinjika kweCable, Kudedera, Hunyoro uye Kushandiswa Kwemaindasitiri

Maborescope anowanzo shandiswa mumabasa emotokari, HVAC, pombi dzemvura uye kugadzirisa apo probe inokotamiswa uye inopinzwa kakawanda. Cable inochinjika uye kamera-head interconnect inowanzoona kushushikana kwakanyanya kupfuura PCB inobatwa neruoko. Saka kuvimbika kunofanira kugadzirwa kuti kuve kuchinjana pakati pebhodhi rakasimba, rinochinjika kana tambo pane kuwedzerwa gare gare kuburikidza nekusolder yakawanda.

Kuchinjika-chinjika kwakadzokororwa

Dunhu rinotenderera rinotenderera rinokotama chete panguva yekubatanidza rinogona kushandisa dhizaini yakasiyana neprobe inotenderera inochinjika. Nzvimbo dzinochinjika dzinoda kutungamira kwakakodzera kwemhangura, radius inokotama uye relief strain. Majoini esolder haafanire kugara zvakananga panzvimbo yepamusoro-soro yekukotama. Kana tambo yakasungirirwa nemaoko kubhodhi rekamera, dhizaini yekubatanidza kana kuti overmold inogona kudiwa kuti mutoro urege kudhonzwa pamapedhi.

mwando

Ma probe emuindasitiri anogona kusangana nemvura, kunyungudika kana oiri. Kuvhara kwakabatana, kuvharwa kana kuputirwa muhari kunogona kudzivirira zvikamu zvemagetsi, asi kurapwa kwega kwega kunokanganisa kugadziriswazve, kupisa uye sensor/LED optics. Kuvhara mvura kwakakwana kunoenderana nezvisimbiso zvema lens, jira retambo, majoini edzimba uye overmold. Chitupa chekufukidza chePCB chega hachiiti kuti borescope yapera isapinda mvura.

Kudedera uye kupfeka kweconnector

Zvinobatanidza zve USB, display uye cable zvebhodhi guru zvinogona kugadziriswa kakawanda. Mapedhi e anchor emakanika uye rutsigiro rwe enclosure zvinofanirwa kutakura simba rekuisa pane kutakura ma signal joints chete. Kuongorora kwekutanga kunofanirwa kuona kukwirira kwechigaro che connector uye kukwana kwebhodhi kubva pa enclosure, nekuti connector ine michina inogona kutadza kushanda kunyangwe kana ma solder fillets ayo pakutanga achitaridzika zvakanaka.

Borescope PCBA, Kuedza Kushanda uye Kudzora Kugadzirwa

Kufamba kwese kwekugadzira kunogona kusanganisira maPCBA maviri, tambo imwe chete, kamera module, display uye bhatiri. Nzira yekuedza ine musoro inoratidza matanho anodhura kana akaoma kugadzirisa pakutanga. Semuenzaniso, PCB huru inogona kurongwa uye kuongororwa display isati yaiswa, nepo kamera-tip assembly inogona kusimbiswa kuburikidza netambo yekugadzira isati yavharwa muprobe housing.

• Kuongororwa kwemagetsi nemagetsi ari pabhodhi guru.
• Kukurukurirana kwepurogiramu uye processor/bridge.
• Kuverengerwa kwekamera kana kusimbiswa kwevhidhiyo kuburikidza netambo chaiyo.
• Kupenya kwe LED/kushanda kwemagetsi zvichienderana nemiganhu yevatengi.
• Kuratidzwa, mabhatani, nzvimbo yekuchengetera zvinhu, USB uye Wi-Fi mabasa aripo.
• Kuenderera mberi kwetambo uye kurongeka kwekubatanidza.
• Tarisa mufananidzo uchishandisa chinangwa chakatsanangurwa, daro rekutarisa kana referensi yegoridhe kana zvichidikanwa.

Kuyedzwa kwekushanda kwemufananidzo kunofanira kuparadzaniswa nekuongororwa kwemaziso. Mufananidzo uripo unoratidza kuti magetsi anofambiswa sei, asi kugadziriswa, kukanganiswa, ruvara, kutarisisa uye kufanana kwechiedza zvinoenderana nekubatanidzwa kwemaziso/makanika. Kana macheki iwayo ari efekitori, OEM inofanira kupa chinangwa, daro, mamiriro emwenje, algorithm yekupasa/kukundikana uye geometry yemagetsi.

Kudzora kugadzirwa kunofanira kubatanidza shanduko ye sensor yekamera, kureba kwetambo, firmware uye kugadziriswa kwebhodhi guru pamwe chete. Kuchinja tambo kunogona kuchinja kurasikirwa kwechiratidzo uye kudonha kwesimba; hazvifanirwe kutorwa sekutsiva kwechinhu chemuchina chete.

Maitiro Ekusarudza Borescope PCB nePCBA Manufacturing Partner

Mutengesi anofanira kuongororwa muchikamu chose chakagoverwa. Kukwanisa kubatanidza bhodhi guru hakuna kukwana kana muromo wekamera uchida kubatwa netambo diki kana kuti tambo yakapfava. Saizvozvowo, mutengesi wePCB anochinjika anowedzera kukosha kushoma kana asingakwanise kudzora processor huru, connector yekuratidza uye bvunzo yekugadzira.

• Kugadzirwa kwakasimba, kunochinjika kana kuchinjika kwakakodzera magadzirirwo eprobe akaburitswa.
• Kugadzira kamera/purosesa ine hunyanzvi hwakatsetseka uye zvinhu zvinotsigira mabhodhi madiki.
• Kudzora kubatanidza nekubatanidza tambo, kusanganisira kurongeka uye majoini anonzwa kumanikidzwa.
• Kutsvaga zvikamu zve sensor yemufananidzo, bhiriji/purosesa, ma LED uye zvikamu zvisina waya.
• Kuronga mapurogiramu uye bvunzo yekubatanidza nzira yemufananidzo.
• Kudzora shanduko kubva pakugadzirwa kusvika pakugadzirwa kwemhando dzetambo, kamera, PCB uye firmware.

Zvekutumira neRFQ

Highleap Electronics inogona kubva yataura nezvenzvimbo yekugadzira iripo: kugadzirwa kwePCB isina chinhu, kuwanikwa kwezvikamu, kuunganidza kamera/bhodhi guru, mashandiro ekubatanidza kana tambo anobatanidzwa mukuburitswa, kuongororwa uye bvunzo yakatsanangurwa nevatengi. Kushanda kweoptical, sealing uye qualification yekushandiswa kweprobe yakapedzwa zvinofanirwa kuramba zvakaparadzaniswa zvakajeka kunze kwekunge OEM yaisa mabasa iwayo pachena munzvimbo yekugadzira.

Nzira yakanakisisa yekugadzira vhoriyamu yakavimbika ndeyekuchengetedza maitiro ekugadzira kamera, kugadzirwa kwetambo, bhajeti yemagetsi, firmware uye test fixture sesystem inodzorwa pane kugadzirisa chinhu chimwe nechimwe chakazvimiririra kuti chiwane mutengo wakaderera.

Mibvunzo Inonyanya Kubvunzwa

Zvinodiwa pakugadzira zvinofanirwa kusimbiswa zvichienderana nemafaira ekugadzira akaburitswa, zvirevo zvevagadziri vezvikamu uye zvinodiwa zvekusimbisa kana zvemitemo zvechigadzirwa chekupedzisira.