Gwaro reKutevedzera Kugwinya kwePCB uye Gwaro Rekugadzira PCBA

PCB yekutevera hutano inofanira kusanganisa masensa, kubatana kweBluetooth PCB , display kana indicator interface, haptics uye bhatiri rekutarisira PCB muchikamu chitete chinopfekwa. Dambudziko reinjiniya harisi chero subsystem imwe chete; riri kuita kuti zvese zvigare pamwe chete uku zvichichengetedza kunaka kwemasensa, kushanda kwewaya uye hupenyu hwebhatiri hwemazuva akawanda. PCB imwecheteyo ingangoda kutsigira optical PPG, IMU, flash memory, kuchaja uye vibration motor pasina kubvumira mitoro iyoyo kukanganisa nzira yekuyera inonzwisisika.

Kugadzirwa kwechinhu chinopfekwa kunowedzerawo zvipingamupinyi zvemakanika uye zvakatipoteredza. Bhodhi rinogona kunge rakatetepa, rakapfava kana kuti rakapfava ; zvikamu zvinogona kugara pedyo nebhokisi; ziya nehunyoro zvinogona kusvika pazvisimbiso zvisina kukwana; uye chigadzirwa chinochajwa uye chakapfekwa kakawanda. Saka, prototype inobudirira inoda hurongwa hwekugadzira hwekugadzirisa sensor, kuchengetedza antenna, SMT inopinza zvakanaka, coating kana sealing interfaces uye functional test.

Highleap Electronics inogona kugadzira maPCB ekutevera hutano akagadzirwa nevatengi uye maPCB assembly , zvikamu zvekutanga, kuunganidza mapakeji epitch uye ma flex assembly kana zvataurwa, uye kuita mapurogiramu anotsanangurwa nevatengi uye bvunzo dzekushanda. Kururama kwekupedzisira kwebiometric, maalgorithms uye zvichemo zvehutano kana hutano zvinoramba zviri kunze kwekugadzirwa kwePCB kwakajairika.

Zvinhu Zvishanu Zvinokosha paUinjiniya Tsanangura PCB yeFitness Tracker

Magadzirirwo aya akasiyana nemhete yakangwara nekuti tracker yeruoko inowanzova nenzvimbo yakatsetseka uye inogona kusanganisira display. Nzvimbo iyoyo yekuwedzera inoita kuti maPCB akareruka kana matete ane layer yakawanda ave nyore kushandisa, asi ma display connectors, touch interfaces uye haptic loads zvinounza matambudziko azvo ekufambisa uye emagetsi. Kuvakwa kwakakodzera kunofanirwa kusarudzwa kubva mu enclosure uye huwandu hwepakeji pane kufunga kuti zvese zvinopfekwa zvinofanirwa kunge zviri rigid-flex kana HDI.

Pakeji yekugadzira inofanirawo kutsanangura kuti ndeapi mabasa ari mamodule uye ndeapi ari padanho rechip. Module yeBLE yakambosimbiswa inogona kurerutsa marongero eRF pamutengo wenzvimbo; BLE SoC ine PCB antenna inogona kuchengetedza nzvimbo asi inoda marongero akasimba uye kutonga kuenderana. Kuchinjana kumwe chete kunoshanda kumamodule e sensor akabatanidzwa e optical zvichienzaniswa nema LED akasiyana uye ma photodiode.

Kurongeka kwePCB yeSensor yePPG uye Kubatanidzwa kweOptical

Reflective PPG inoshandiswa zvakanyanya muzvishandiso zvinopfekwa paruoko. Ma LED anovhenekera tissue uye photodetector inogamuchira modulated reflection signal. Ma Integrated wearable optical sensors anogona kusanganisira ma LED drivers, analog front end uye ADC, asi achiri kuvimba ne physical optics. PCB inoisa nzvimbo ye component; enclosure inosarudza kubatana kweganda, optical isolation uye nzira yechiedza.

Geometry ye LED-ku-photodiode

Kugara panzvimbo imwe chete uye kurongeka kunofanirwa kutevedzera gwara remutengesi we sensor uye dhizaini yeOEM ye optical. Kufambisa sensor kuti iite kuti routing ive nyore kunogona kushandura nzira yekuyera. Saka, bhodhi rakarongwa uye datums dzemakanika zvinofanira kuita kuti nzvimbo ye sensor idzokororwe kana tichienzanisa nehwindo rakatarisa paruoko.

Optical isolation

Kubuda kwechiedza zvakananga kubva ku LED kuenda ku photodiode kunogona kuderedza masaini anobatsira. Zvipingamupinyi zvemakanika, magasket matema uye zvinhu zvakaumbwa zvinowanzoita zvinopfuura PCB copper. Mufananidzo wekubatanidza unofanirwa kuramba uchiratidza kuchengetedza kwe optical kuitira kuti solder mask, glue, coating kana zvikamu zviri pedyo zvinoratidza chiedza zvisapinde mugomba rakatsanangurwa.

Simba nepasi

Ma LED pulse anogadzira ma current transients anogona kubatana ne analog front end kana MCU supply. Local dracoupling uye return paths dzinofanira kutevedzera sensor reference design. Bhatiri rayo rinotaridzika rakagadzikana paavhareji current rinogona kumira panguva ye LED pulses kana radio transmission, saka prototype testing inofanira kutora active waveform chaiyo.

Dzivisa kushandura sensor yehutano kuita chikumbiro chekurapa chisina kutsigirwa

Kugadzirwa kwePCBA kunogona kusimbisa kutaurirana kwesensa uye mhinduro yemaziso inotsanangurwa nemutengi. Hazviratidzi kururama kwekiriniki kana mamiriro ekutonga. Chinhu nekotesheni yefekitori zvinofanirwa kuchengetedza miganhu iyoyo yakajeka, kunyanya kana tracker iine mawavelengths emaziso ane chekuita neSpO2 kana maficha ekurova kwemoyo.

Simba rekugadzira hupenyu hwebhatiri hwemazuva mazhinji

Hupenyu hwebhatiri hunobva pakushanda kwenguva yakatarwa. Chishandiso chekutevera chinogona kupedza nguva yakawanda chakarara chisina simba rakawanda, chichimuka nguva nenguva chichitarisa masensa ekuongorora, chichirova ma LED ePPG, chichivandudza display, chichinyora data uye chichitumira pamusoro peBLE. Saka dhizaini yacho inofanira kugadzirisa zvese zviri zviviri quiescent current pamwe nesimba re active bursts.

Sarudzo yemutongi

LDO inogona kupa njanji yakanyarara kana bhatiri nemagetsi emutoro zviri pedyo. Chinoshandura buck kana buck-boost chinogona kuburitsa simba rinoshanda zvakanyanya sezvo bhatiri richiburitsa asi chinounza ruzha rwekuchinja uye magetsi aro ekudzikama. MaPMIC anopfekwa anogona kusanganisa kuchaja uye magwara akawanda. Magadzirirwo akanakisa anoenderana nehuwandu hwemagetsi ebhatiri, kunzwisisika kwesensa uye duty cycle pane kusarudzwa kwese kweLDO kana DC-DC.

Bvunzo rekugadzira razvino

Simba rekurara rinobatsira pakugadzira nekuti mabhiriji ekusolder, kukosha kwezvikamu zvisina kunaka, kudonha kwemvura kana kurongeka kwefirmware zvinogona kuikwidza zvakanyanya. Chigadziko chinofanira kutsanangura mamiriro efirmware nenguva yekugadzikana. Miganhu yekushanda-kwemagetsi inogonawo kuyerwa panguva yekushanda kwesensor kana BLE. Miedzo iyi ine zvazvinoreva kupfuura kungotarisa chete kuti bhodhi rinobatidza here.

Kurongeka kweAntena yeBLE, Kurodha Chioko uye Kuchengetedza RF

Chishandiso chinopfekwa paruoko chinoshanda pedyo nemuviri, chiratidziro, bhatiri uye nzvimbo yakavharirwa. Zvinhu izvi zvinopesvedzera antenna. Kana tracker ikashandisa antenna yePCB, nzvimbo yekuchengetedza uye nzvimbo yekurekodha yakaipoteredza chikamu chedhizaini yeRF. Muswe unochinjika, bezel yesimbi kana shift yebhatiri zvinogona kuchinja tuning kunyangwe kana radio schematic ikaramba yakadaro.

Tevedzera marongerwo ereferensi yeredhiyo

RF PCB layout: BLE SoC matching network uye feed geometry zvinofanira kuramba zviri pedyo ne reference yakasimbiswa. Copper pours, vias uye test pads zvakawedzerwa zvakatenderedza antenna zvinogona kuchinja parasitic capacitance uye impedance. DFM inofanira kuona RF zone seyakagadzirirwa dhizaini kuitira kuti shanduko dzemagadzirirwo dziitike kune dzimwe nzvimbo kunze kwekunge mainjiniya abvumidza.

Kutakura muviri

Kushanda kweRF kunofanirwa kusimbiswa pane chinopfekwa chakabatanidzwa kana chinhu chakakodzera nekuti ruoko runochinja nharaunda yeantenna. Bvunzo yePCB isina chinhu inobatsira pakugadzirisa matambudziko asi haimiriri mamiriro ekupedzisira. Bvunzo yekugadzira inogona kuongorora zvikamu zveRF zvisiripo/zvisina kumira zvakanaka uye kusimbisa kutaurirana, nepo kugadzirisa antenna yakazara kuri kwekusimbisa kweinjiniya.

Kugara pamwe chete nechiratidziro nemasensa

Mipendero yekuratidza nekukurumidza uye zvinodzora shanduko zvinogona kugadzira ruzha rwakatenderedza redhiyo, nepo kuputika kweredhiyo kuchigona kusanganiswa kuita masevhisi ekuona kana analog. Kuiswa kwemuviri, mareferensi uye kuronga nguva zvinogona kuderedza kudyidzana. Kuderedza chaiyo kunoenderana nechigadzirwa; basa rekugadzira nderekuchengetedza kuiswa kwakaburitswa uye zvikamu zvinoenderana.

PCB yakatetepa, inochinjika, inochinjika uye kana HDI ichibatsira

Matracker ekurovedza muviri anogona kushandisa bhodhi rakatetepa rakasimba rine mativi akawanda kana magetsi achipinda mukamuri repakati. Flex inogona kubatanidza display, mabhatani epadivi, macontacts ekuchaja kana bhodhi re sensor rinotarisa paruoko. Rigid-flex inogona kuderedza zvinobatanidza uye ukobvu kana magadzirirwo emakanika achibatsira. Hapana kana imwe yematekinoroji aya inofanira kufungidzirwa chete nekuti chigadzirwa ichi chinogona kupfekwa.

HDI inobatsira kana BGA yakapfava kana nzvimbo yakaoma ikaita kuti nzira yekufambisa zvinhu ishande zvakanaka. Microvias ne via-in-pad zvinogona kuwedzera huwandu hwezvinhu zvinobuda, asi zvinowedzera kuoma kwekugadzira. Chikwata chevagadziri chinofanira kuenzanisa package yakakura zvishoma kana kuiswa kwezvikamu zvakasiyana vasati vazvipira kushandisa HDI chete nekuda kwefashoni.

Chimiro nevhoriyamu zvinofanirwa kushandisa chivakwa chakafanana nechakagadzirwa kare sezvinobvira. Bhodhi gobvu rekuongorora rakasimba rinogona kuratidza firmware asi harina zvakawanda nezve antenna, optical alignment kana flex strain yechinhu chinopfekwa. Dhizaini yeDVT/pilot yekugadzira inokosha usati wapedza bvunzo dzekushandisa nekuvimbika.

PCBA yeKutevera Kugwinya: BGA/QFN/LGA Sensors, Display uye Haptics

Magadzirirwo emagetsi anopfekwa anowanzo shandisa maQFN kana BGA MCU/SoC package, maSmall LGA inertial sensors, optical modules, FPC display connectors uye maminiature passives. Njodzi dzemagadzirirwo awo dzinosiyana. Magadzirirwo emagetsi anogumira pasi anoda kudzorwa zvakanaka kwepaste-volume, nepo ma flex connectors achida kurongeka uye kutsigirwa nemechanical. Ma optical sensors anoda mahwindo akachena uye kurongeka kwakarurama.

Midziyo inodzokororwa uye inogamuchira hunyoro

Kubata zvikamu kunofanira kutevedzera zvinodiwa nemugadziri wezvinhu uye kudzoreredza mvura. Mabhodhi matete anogona kukotama panguva yekupisa, kunyanya kana kugoverwa kwemhangura kusina kuenzana. Mapanel rails nezvishandiso zvekutsigira zvinogona kunatsiridza kutsvedza kwekudhinda nekuiswa. Kana chikamu chekuchinjika chikaiswa, assembly panel ingangoda kuomeswa kwenguva pfupi kana maturusi ekutakura.

Vibration motor

Mota yemagetsi ine simba remagetsi asi ine simba remakanika. Inodhonza pulse yemagetsi uye inogona kukonzera kukanganiswa kwemasensa nemagnetic kana vibration. Bhodhi ne enclosure zvinofanirwa kubvisa simba remagetsi kubva kune zvinongedzo zvinonzwisisika uye zvinopa zororo rekumanikidzwa kwewaya kana zvinobatanidza. Kuedza kwekushanda kunofanirwa kushandisa mota nekuti kubatana kusiri iko kunogona kupasa bvunzo dzese dzedigital sensor.

Chinongedzo chekuratidzira

Kurongeka kweFPC injodzi inowanzo itika pakugadzirwa. Mifananidzo yekuunganidzira inofanira kuratidza divi rekupinza tambo, pin-one uye nzvimbo yekukiya. Zviratidzo zvekuratidza zvinomhanya zvakanyanya zvinofanira kuchengetedza nzira yazvo yekunongedzera kuburikidza neconnector escape, uye DFM haifanirwe kuwedzera stubs hombe dzekuedza munzira dzinoenderana nenguva.

kuonorora

AOI inogona kuvharira kusungirirwa kunoonekwa uye polarity. X-ray inogona kushandiswa pamisungo yakavanzwa yeBGA/QFN/LGA kana paine chikonzero. Mahwindo eOptical sensor angada kuongororwa kwakasiyana kwekusvibiswa. Matanho aya ekuongorora anofanira kutungamirirwa nenjodzi chaiyo yepakeji pane kunyorwa zvisina tsarukano pabhodhi rega rega rinopfekwa.

Kuvimbika Kwekupfeka: Kudikitira, Hunyoro, Kuvhunduka uye Kuchaja Zuva Nezuva

Zvishandiso zvekurovedza muviri zvinosangana nemamiriro ezvinhu ane hukasha kupfuura bhodhi rekuona mafambiro ekombiyuta. Dikita nekunyungudika zvinogona kusvika pamagetsi kana zvisimbiso zvikaora. Chishandiso chacho chikadonhedzwa, chotenderedzwa neruoko, choiswa pamamiriro ekupisa uye chochajwa kakawanda. Kugadzirwa kwePCB nekuungana kwayo kunogona kuwedzera kusimba, asi nzvimbo yacho inoramba iri chipingamupinyi chikuru chezvakatipoteredza.

Kufananidza kupfeka

Kuputira kunogona kudzivirira macircuits akasarudzwa kubva kuhunyoro kana kusvibiswa, asi kunofanirwa kuvharwa kure nezvinobatanidza, macontacts ekuchaja, maantenna, ma optical sensors uye nzvimbo dzekuyedza sezvinodiwa. Ukobvu hwekuvhara uye chemistry zvinogona kukanganisa kugadziriswa kwechinhu uye maitiro eRF/optical. Zvinofanira kutsanangurwa nekugadzirwa kwechigadzirwa, kwete kuwedzerwa otomatiki nekuti chigadzirwa chinogona kupfekwa.

Rutsigiro rwekubatanidza uye rutsigiro rwekubatana kwesolder

Macontact ekuchaja, USB connectors pane mamwe magadzirirwo uye waya dzemota zvinofanirwa kutsigirwa nekanika kuitira kuti simba remushandisi wezuva nezuva risatakurwa nemajoini akapfava chete. Kuchinja kweflex kunofanirwa kudzivirira kukotama kwakasimba pamipendero yakaoma. Kuyedzwa kwekudonha nekutenderera padanho rechigadzirwa kunodiwa kuti zvionekwe kuti zvivakwa izvi zvinogadzirwa sei.

Kuora uye zvasara

Zvisaririra zveIonic zvinogona kukurumidzisa ngura kana hunyoro huripo. Saka zvinodiwa pakuchenesa zvinofanirwa kuenderana nenjodzi yezvakatipoteredza yechigadzirwa uye kuenderana kwemasensa nemaconnector. Kushandiswa kwe "flux isina kuchena" hazvirevi kuti mubatanidzwa wacho wakakodzera kushandiswa kwese kunopfumbira; OEM inofanira kutsanangura maitiro anogamuchirwa.

Zvinotungamira Mutengo wePCB uye Kuronga Kugadzira Fitness Tracker

PCB isina chinhu chikamu chimwe chete chemutengo unopfekwa. Ma sensor e optical, BLE SoC, display, bhatiri, flex construction uye test labor zvinogona kuva zvakanyanya. Saka kudzikiswa kwemutengo kunofanira kufunga nezvekuunganidza kwese uye goho pane kumanikidza nhamba yakaderera ye layer.

Zvivakwa zvemuenzaniso zvinofanira kusimbisa kurongeka kwemaziso, kushanda kweBLE paruoko, nguva yekushanda kwebhatiri, kupisa kwekuchaja, simba rekurara uye kukwana kwenzvimbo. Zvivakwa zvepilot zvinofanirwa kukiya panelization, flex forming, coating/masking, programming uye test fixtures. Kuvaka kwevhoriyamu kunofanira kutarisa pakuenderera mberi kweBOM, kubvumidzwa kwakasiyana, kuteverwa uye kubuda kwemaitiro.

Zvishandiso zvinobvumidzwa zvinofanira kuongororwa neinjiniya nekuti zvikamu zvezvishandiso zvinopfekwa zvakafanana zvinogona kuchinja kukwirira kwepakeji, kushandiswa kwesimba, maitiro eRF kana mhinduro yemaziso. Chishandiso chinodzorwa chinoiswa panguva yekuongorora chakachengeteka kupfuura chinotsiviwa otomatiki panguva yekushomeka kwevhoriyamu.

Nguva yekuyedza inowanzo shomeka nekuda kwemutengo. Chinhu chinoronga firmware, chinoyera sleep current, ma polls sensors, chinoongorora kuchaja uye chinoongorora BLE mune imwe otomatiki sequence chinogona kubatsira pakugadzira kwayo nekukurumidza kana tichienzanisa nekushandisa manual ega ega.

Maitiro Ekusarudza Mugadziri wePrigb Assembly weFitness Tracker

Mugadziri wechinhu anofanira kunge akasununguka nekugadzira sensor, kubata flex uye kudzora shanduko yeRF, asi haafanire kutaura kuti ane mhosva ye biometric algorithms kana kunyatsorurama kwehutano hwechigadzirwa. Hukama hwakanaka hwemutengesi hunochengetedza muganhu wakajeka: mainjiniya anotsanangura chiyero uye RF system; kugadzira kunochengetedza dhizaini yakaburitswa uye kunosimbisa kugadzirwa kwechinhu ichi zvichienderana nemiedzo yakatsanangurwa.

• Chigadzirwa chakatetepa, chinochinjika kana chakasimba chinoenderana nechimiro chakaburitswa.
• Kugona kweHDI/microvia kana kurongeka kwenzira yekufambisa zvinhu zvakanaka kuchinyatsodiwa.
• Kubatanidzwa kweBGA/QFN/LGA neFPC connector pamwe nekutarisa kwakakodzera njodzi.
• Kuwanikwa kwezvinhu zvinodzorwa zve optical sensor, BLE SoC, PMIC uye RF.
• Kuronga mapurogiramu, kuyerwa kwesimba rekurara uye bvunzo inoshanda ye sensor/BLE inotsanangurwa nemutengi.
• Kutamiswa kwemaitikiro kubva kuma prototypes kuenda kukudzokorora kugadzirwa neBOM uye kudzora kudzokorora.

Pakeji yeRFQ

Highleap Electronics inogona kuongorora pasuru iyoyo kuti ione kana chigadzirwa chacho chakagadzirwa nePCB, kuti chigadzirwa chacho chiwane zvinhu zvakachinjwa, uye kuti chigadzirwa chacho chinotengeswa sei. Chinangwa ndechekuchengetedza hunyanzvi hwesensa, magadzirirwo emagetsi mashoma, marongerwo eRF uye maitiro ekugadzira sezvo huwandu huchikwira—pasina kuwedzera kuoma kwekugadzira uko chigadzirwa chisingade.

Mibvunzo Inonyanya Kubvunzwa

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