Gwaro rekugadzira uye kugadzira reCO2 Monitor PCB rinotakurika
PCB yekutarisa CO2 inotakurika inofanira kutsigira kuyerwa kwegesi kwakarurama ichishanda mukati menzvimbo diki ine simba rebhatiri inewo ma processor, ma display, ma charging circuits uye, muzvigadzirwa zvakawanda, ma wireless radios. Mablock iwayo anogona kugadzira kupisa, kupa transients uye ruzha rwe electromagnetic izvo zvinokanganisa nharaunda yakatenderedza sensor. Kune mainjiniya, bhodhi harisi rekudzora chete: chikamu chesystem yekuyera.
Nzira yekugadzira inofanira kutevedzera dhizaini ye sensor yakaburitswa. Monitor yakavakirwa pa NDIR module ine UART kana I²C inogona kunge iri nyore, nepo puratifomu diki yekuona zvinhu inogona kuisa mutoro wakawanda paPCB huru yekusimbisa simba, muripo, kufamba kwemhepo uye kugadzirisa calibration. Highleap Electronics inogona kugadzira magadzirirwo ePCB nePCBA evatengi, zvikamu zvekutanga, kuunganidza ma prototypes nenzvimbo dzekugadzira, uye kuita mapurogiramu anotsanangurwa nevatengi kana bvunzo dzekushanda pasina kureva mutoro wekugadzirwa kwechishandiso chapera kana chitupa chayo chezvakatipoteredza.
Zvikamu zviri pazasi zvinotarisa pane zvisarudzo zvinokanganisa kugadzirwa kwePCB, kuunganidzwa kwePCB uye kudzokorora kugadzirwa: kubatanidzwa kwemasensa, kuiswa kwekupisa, kufamba kwemhepo, simba reruzha rushoma, kuunganidzwa kwezvikamu, kuwanikwa kwezvikamu, miganhu yekuyedza uye magwaro eRFQ.
Kugadzirwa kweCO2 Monitor inotakurika uye Kureba kweSisitimu
Vatengi vazhinji vari kutsvaga PCB yekutarisa inotakurika yeCO2 havasi kutsvaga tsananguro yekuona carbon-dioxide. Vanowanzoedza kugadzirisa dambudziko rekubatanidza hardware kana kuwana: maitiro ekubatanidza sensor yegesi nenzira yakavimbika, kuchengetedza hupenyu hwebhatiri huchigamuchirwa, kuisa bhodhi muvharo, uye kuchinja kubva paPCBA yemuenzaniso kuenda kukugadzirwa kunodzokororwa. Saka chinyorwa chinobatsira cheinjiniya chinotangira kubva pakuvaka kwete kubva padzidzo yemhando yepamusoro yemhepo yemukati.
Bhodhi rinowanzo shandiswa rinogona kutakura MCU, charger yebhatiri, ma voltage regulators, display connector, mabhatani, buzzer, status LEDs, memory uye optional BLE kana Wi-Fi circuitry. Sensor yeCO2 inogona kusungirirwa zvakananga, kuiswa nemapini, kubatanidzwa netambo, kana kubatwa semodule inotsiviwa. Kunzwa tembiricha uye hunyoro zvinogonawo kuvapo nekuti chigadzirwa chinoshandisa zviyero izvozvo kuratidza, kugadzirisa kana mamiriro ekunze.
| Subsystem | Mubvunzo wekugadzira wakajairika | Kukanganiswa kwePCB/PCBA |
|---|---|---|
| CO2 sensor | Module, mudziyo weSMT kana mubatanidzwa wakasungirirwa pakubatanidza? | Nhanho, kukwirira, miganhu yekuyerera kwemvura, kubvumirwa kwemhepo uye kuwanikwa kwayo |
| MCU / nzvimbo dzekubatana | UART, I²C, ADC kana interface yakanangana nemutengesi? | Kurongeka, kuenderana kwemazinga, kupinda muzvirongwa uye nzvimbo dzekuyedza |
| Kuratidzwa / UI | LCD, OLED, mabhatani, ma LED, buzzer? | FPC/connectors, current transients uye mechanical alignment |
| simba | Li-ion/LiPo, USB-C, masero anogona kutsiviwa? | Kuchaja, dziviriro, vatongi, nzvimbo yekupisa uye chinongedzo chebhatiri |
| Kubatana | BLE/Wi-Fi inodiwa here? | Kuchengetedzwa kweRF, kuiswa kweantenna, kuburitswa kwemhepo uye peaks dziripo |
| kutema | Flash yemuno kana nzvimbo yekuchengetera inobviswa? | BOM, huwandu hwenzira uye zvinodiwa zve firmware/bvunzo |
NDIR Sensor Integration, Airflow uye Thermal Placement yeNDIR
Masensa eNDIR anoyera CO2 nemaziso uye mamodule mazhinji ekutengesa anoburitsa ma digital interfaces kwete chiratidzo cheanalog chepasi. Izvi zvinoita kuti PCB ishande zviri nyore, asi hazvibvisi zvipingamupinyi zvemakanika. Sensa inofanira kuramba iine sampuli yemhepo inomiririra, uye nzvimbo yacho haifanirwe kubata mweya unopisa wakaipoteredza. Sensa yakaiswa padivi pe charger IC, backlit display kana switching regulator inogona kushanda munzvimbo inopisa yemuno yakasiyana nekamuri iro chigadzirwa chakagadzirirwa kuyera.
Kuisa masensa isarudzo yekugadzira pamwe nesarudzo yekugadzira
Mamwe masensa eCO2 anoenderana neSMT processing, nepo mamwe achishandisa mapin headers, through-hole leads, board-to-board connectors kana cables. Miganhu yekuchengetera, yekusonesa uye yekudzoreresa yemugadziri wezvikamu inofanira kutsanangura maitiro acho. Mupi wePCBA haafanire kusundidzira otomatiki module hombe ye optical kuburikidza neprofile imwechete yekudzoreresa inoshandiswa kuMCU nekuti footprint inoita seinogona kusonesa. Kana module yakaiswa mushure mekudzoreresa, dhirowa reassembly rinofanira kutaura kutevedzana kwekuisa, kutungamira, hardware uye chero miganhu yekusonesa yemaoko.
Nzvimbo dzinovhurika mhepo nenzvimbo dzinodzivirira kupinda kwemhepo dzinofanira kuramba dziripo DFM
Dhizaini yemagetsi inogona kunge yakarurama nepo monitor yekupedzisira isingashande zvakanaka nekuti nzvimbo yacho inovhara nzvimbo inopinzwa sensor kana kuti furo gasket inochinja kufamba kwemhepo. PCB DFM inofanira kuchengetedza michina inochengetedza mhepo yakatenderedza nzvimbo dzinovhurika sensor, mavents uye optical cavities. Mapaneru, maburi ekushandisa, conformal coating uye maitiro ekuchenesa anofanirawo kuongororwa kuitira kuti asasvibise kana kuvharira nzira yekunzwa. Yambiro imwechete inoshanda kune zvinonamira nezvinhu zvekuisa muhari zviri pedyo ne sensor.
Masensa ekupisa nehunyoro anofanirwa kuongororwa pawo ega. Kana akaitirwa kuratidza mamiriro ekunze, kuaisa padivi pechaja yebhatiri, MCU kana RF power amplifier zvinogona kuunza biasure yekudziyisa yega. Muzvigadzirwa zvidiki, mainjiniya anogona kushandisa board-edge placement, cutouts, thermal isolation features kana controlled duty cycles, asi nzira chaiyo inoenderana negwara re enclosure ne sensor vendor pane mutemo wePCB wepasi rose.
Simba Risina Ruzha, Kudzika Kwepasi uye Kutarisira Mabhatiri
Mamonita anotakurika anosanganisa subsystem yekunzwa ine zvinhu zvakawanda zvine ruzha kana kuti zvinoputika. Kuchaja neUSB, buzzer, display backlight, wireless transmitter uye switching converter zvese zvinogona kugadzira matanho emagetsi. Sensor yeCO2 pachayo inogonawo kukwevera peak current yakasiyana zvikuru neavhareji yayo yenguva refu. Saka, dhizaini yesimba inofanira kuongororwa zvichienderana nekudiwa kwakanyanya, kwete chete nhamba yeavhareji inoshandiswa mu spreadsheet yehupenyu hwebhatiri.
Kupatsanura kwenzvimbo kunofanirwa kutevedzera zvinokurudzirwa nevagadziri vezvikamu, nematanho mapfupi emagetsi uye nzira dzekudzoka dzisina kuvharwa zvakanyanya. Kana sensor ichida nzira yakachena, vagadziri vanogona kushandisa filtering, dedicated regulator kana LDO mushure me switching converter. Sarudzo iyoyo ishanduko: LDO inogona kuderedza ruzha rwe switching asi inopedza simba kana voltage drop yakakura, nepo DC-DC converter ichivandudza mashandiro asi ichiunza switching edges dzinofanira kudzorwa nekuisa uye kuronga.
Usapatsanura nzvimbo nechinhu chimwe chete
Chikanganiso chinowanzoitika ndechekugadzira "analog ground," "digital ground" uye "sensor ground" zvitsuwa usinganzwisise kuti mafungu anodzoka kupi. Kune akawanda ma monitor architectures, continuous reference plane ine marongero anonongedza ane ruzha inopa maitiro anofungidzirwa kupfuura ground copper yakapwanyika. Kana mutengesi we sensor akataura imwe grounding arrangement, iyo reference design inofanira kutanga. Maitiro e assembler's DFM anofanirawo kudzivirira kuwedzera copper pours kana kufambisa return vias munzvimbo dzine electrically sensitive pasina mvumo yekugadzira.
Kuchaja bhatiri idambudzikowo rekupisa
Kuchaja sero diki reLi-ion kana LiPo mukati menzvimbo yakavharwa kunogona kukwidza tembiricha yemuno. Chaja, maFET ekudzivirira uye zvikamu zvemagetsi zvinofanirwa kuiswa nepfungwa dzemagetsi nedzekupisa. Kana sensor yekupisa ichishandiswa pakuzivisa zvakatipoteredza, timu inofanira kuyedza chigadzirwa ichi panguva yekuchaja, mushure mekuchaja uye panguva yekushanda kwewaya isina waya. Bhodhi rinoyera nemazvo pabhenji rinogona kuita zvakasiyana kana bhatiri chairo nenzvimbo yacho zvaiswa.
PCB ine mativi maviri kana mana, FR-4 uye Surface Finish
Hapana huwandu hwema layer hwakatarwa hwemonitor inotakurika yeCO2. Dhizaini iri nyore yakavakirwa pamodule inogona kurongedzwa pa layer mbiri kana nzvimbo yebhodhi yakakura uye zvinodiwa neRF kana display zviri zvishoma. Kuvakwa kwe layer ina kunowedzera kukwezva kana chigadzirwa chacho chiri chidiki, chine wireless connectivity, chichida ground reference inoramba iripo, kana kuti chine ma power domains akawanda uye dense connectors.
| Nzvimbo yekusarudza | Zvikamu zviviri zvinogona kunge zvakanaka kana… | Zvikamu zvina zvingasarudzwa kana… |
|---|---|---|
| Kuwanda kwenzira | Bhodhi hombe, nzvimbo shoma dzekubatanidza uye kubatana kuri nyore kwemamodule | Nzvimbo yakakomberedzwa, nzira yakamanikana yeMCU/display/RF |
| Ground reference | Nzira dzekudzoka dzinogona kuramba dziri pfupi uye dzakadzorwa zvakanaka | Kufamba-famba kunoenderera mberi kunovandudza nzira dzekudzoka uye maitiro eEMI |
| Wireless | Module yakambosimbiswa ine nzvimbo yekuregerera | Nzvimbo yakabatana yeRF kana antenna yakazara |
| simba | Njanji shoma uye magetsi ari pakati nepakati | Njanji dzakawanda, kubhadharisa uye mitoro inodhonzwa zvinoda kugoverwa kwakachena |
| mutengo | Kureruka kwebhodhi risina chinhu kunokosha uye dhizaini inoramba yakasimba | Kukohwa kwemusangano uye muganho wemagetsi zvinoruramisa mamwe matanda |
Standard FR-4 yakakodzera mamonita akawanda anotakurika. Kusarudzwa kwezvinhu kunofanirwa kutungamirirwa nekupisa, ukobvu hwemakanika, zvinodiwa ne dielectric uye nharaunda yechigadzirwa. Saizvozvowo, huremu hwemhangura hunofanira kusarudzwa kubva pane zvinodiwa nemagetsi chaiwo uye kupisa kwete kubva pakutenda kuti chigadzirwa che sensor chinotakurika chinoda mhangura inorema zvisingawanzoitiki.
Monitori yeCO2 inotakurika PCBA: SMT, Zvinobatanidza uye Kuwana Zvimwe Zvikamu
Musanganiswa uyu unogona kusanganisa zvikamu zvedhijitari zvine hunyanzvi hwakakura nemamodules makuru. Zvikamu zveSMT zvakajairika zvinosanganisira MCU, charger, regulators, memory, humidity sensor uye passives. USB-C, display FPC connectors, mabhatiri connectors uye board-to-board headers zvinounza njodzi dzakasiyana dzesolder-joints uye mechanical. CO2 module pachayo inogona kuda imwe nzira mushure mekudzokororwa kweSMT.
Kuronga mastencil nekudzokorodza kunofanirwa kuratidza zvinhu zvakasanganiswa
QFN yethermal-pad ingangoda vhoriyamu yekunamira inodzorwa zvakanaka, nepo USB-C connector ichigona kuda majoini akasimba ekunamira uye kutamiswa kwakanaka kwepaste kuburikidza negeometry yepad yakasiyana zvikuru. Sensor hombe ye optical inogona kufukidza zvikamu zvidiki kana kugadzira thermal mass. Saka panelization uye kurongeka kwezvikamu zvinogona kukanganisa goho rekuunganidza. Aya ndiwo mibvunzo yekare yeDFM/DFA inogadziriswa zviri nani prototype yekutanga isati yaburitswa pane mushure mekunge batch ine volume shoma yaratidza intermittent connectors kana tombstoned passives.
Kudzora BOM kunonyanya kukosha pazvikamu zve sensor, simba uye wireless
Chinhu chinotsiva kutenga chisina njodzi pa LED chinogona kusagamuchirwa mu sensor supply, regulator feedback network, crystal, antenna match kana precision compensation path. BOM inofanira kunge iine nhamba dzezvikamu zvemugadziri uye mitemo yakajeka yekuchinja. Kune zvigadzirwa zvemaindasitiri kana zvekuvaka zvinogara kwenguva refu, mainjiniya vanofanirawo kuona zvikamu zvine njodzi yekugoverwa kana yehupenyu hwese vasati vazvipira kugadzira michina inogamuchira pasuru imwe chete isina kujeka.
Kana module isina waya ikashandiswa, kugadziriswa kwemodule chaiyo uye kurongeka kweantenna kunofanirwa kuvharirwa kune chigadzirwa. Kana basa reRF raitwa zvakananga paPCB huru, network inoenderana nenzvimbo yeantenna inoda kutonga kwakasimba kwekuchinja. Muzviitiko zvese izvi, muunganidzi anofanira kubata zvinhu zvisingatsiviwe sezvikamu zvinodzorwa pane kugadzirisa mutengo.
Kuronga, Kuedza Kunoshanda uye Kuenzanisa CO2 Mabasa Akasiyana
RFQ inochinja-chinja inoda muganho wakajeka wekuyedza. Fekitori yePCBA inogona kuronga firmware, kuongorora nzira dzemagetsi, kutaurirana nesensa yeCO2, kushandisa display, kutarisa mabhatani nebuzzer, kusimbisa kuchaja, uye kumhanyisa bvunzo dzemagetsi kana dzekutaurirana dzakatsanangurwa nevatengi. Kuongorora ikoko kunoratidza kuti gungano rakavakwa nemazvo. Hazvisizvo zvinongoerekana zvaratidza kururama kwechishandiso cheCO2 chapera.
Zvinogona kufukidza bvunzo yekushanda kwekugadzira zvine musoro
- Kushandiswa kwemagetsi emagetsi nemagetsi makuru echitima mukati memiganhu yakatarwa nevatengi.
- Kuronga MCU, firmware version uye serial-number handling.
- Kutaurirana nezvinoongorora CO2, tembiricha uye hunyoro.
- Kuratidzwa, LED, buzzer, mabhatani uye mabasa ekuchengetedza.
- Kuchaja USB uye kuona bhatiri apo mudziyo unoitsigira.
- Kuongororwa kwekutaurirana kweBLE kana Wi-Fi uchishandisa nzira yakatenderwa nevatengi.
Kugadzirisa kunoda muridzi weruzivo rwakatsanangurwa uye muridzi wemaitiro
Kana chigadzirwa chichida zero-point, span, background kana multi-point calibration, OEM inofanira kutsanangura mamiriro egasi, nguva yekugadzikana, miganhu yezvakatipoteredza, mirairo yefirmware, dhizaini yefixture, miganhu yekugamuchira uye kutevedza. Mamwe ma sensor modules anosvika akagadziriswa mufekitori kana kuita mabasa awo ekugadzirisa; mamwe anonyanya kuvimba nemaitiro ehost-side. Kugadzira hakufanirwe kufungidzira. Kufambiswa kwe calibration kunogona kuitwa nePCBA kana final-assembly partner chete kana mutengi aita kuti maitiro acho ave pachena uye akajeka.
Musiyano uyu unodzivirira mativi ese. Izvi zvinobvumira Highleap kutaura nguva chaiyo yekuedza kugadzira pasina kureva kuti kuyedzwa kwemagetsi kwakafanana nekusimbiswa kwemidziyo kana kusimbiswa kwekushanda kwezvakatipoteredza.
Maitiro Ekuderedza Mutengo wePCBA weCO2 Monitor Unotakurika Pasina Kurasikirwa Nekururama
Kuderedza mutengo kunonyanya kushanda kana kuchibvisa kuoma kusingakoshi pane kubvisa mwero wekuyera. Sarudzo dzinodhura zvakanyanya kazhinji hadzisi PCB isina chinhu asi sensor, display, bhatiri, wireless module, connectors uye nguva yekuyedza nemaoko. Dhizaini inochengetedza masendi mashoma nekumanikidza maviri layers inogona kudhura zvakanyanya kana ikawedzera EMI debug, rework kana field returns.
Shandisa chivakwa chiri nyore chinovhara zvinodiwa zveinjiniya
Kana bhodhi rine mativi maviri richipa nzira yakakwana yekufambisa, nzira dzekudzoka uye EMC margin, hapana chikonzero chekutaura mativi mana chete nekuti chigadzirwa chacho chiri chemagetsi. Kusiyana neizvi, kana mativi mana achiita kuti bhodhi rive diki, rakachena uye riri nyore kugadzira, mutengo wekuwedzera webhodhi risina chinhu unogona kunge wakakodzera. HDI, blind vias uye ultra-small passives zvinofanirwa kuchengeterwa zvipingamupinyi zvemakanika zvisingagone kugadziriswa zviri nyore.
Dhizaini yekutsvaga uye kugadzira otomatiki
Kubatanidza ma "passive values", kusarudza zvikamu zvine "stable supply", kudzivirira ma "connector variants" asina kukodzera uye kuchengetedza polarity/orientation yakajeka kunogona kuderedza zvikanganiso zvekutenga uye zvekugadzira. Kana NDIR module ichidhura, kuvaka kwakarongeka kunogonawo kufungwa nezvako: kutanga wasimbisa base PCBA, wobva waisa "high-value sensor" mushure mekunge bhodhi rapasa ma "basic electrical checks".
Kupfupisa nguva yebvunzo pasina kuderedza kufukidzwa kwayo
Muenzaniso weKugadzirwa: DFM, Kuvimbika uye Kudzora Shanduko
Muenzaniso wekutanga unofanirwa kutariswa senzira yekudzidzisa zveinjiniya, kwete senzira diki yekugadzira huwandu hwezvinhu. Matimu emidziyo yemagetsi anofanira kuongorora kufamba kwemhepo inonzwa, kupisa kwekuchaja, simba rekurara, kupindira kwezviratidziro, kubatana kwewaya uye kukodzera kwemuchina vachiri nerusununguko rwekuchinja PCB nechinhu chakavharirwa. Nyaya yekutanga inofanirawo kusimbisa kuti kupinda mupurogiramu, nzvimbo dzekuyedza uye kurongeka kweconnector zvinoshanda kufekitori.
Kugadzirwa kwemuchina wekuyedza kunochinja pfungwa kuti idzokororwe. BOM inofanira kuomeswa zvakakwana kuti pave nezvinotsiviwa zvinotenderwa. Kuunganidzwa kwePCB, kupedzisa uye mapaneru zvinofanirwa kunyorwa pasi. Zvigadziriso uye firmware zvinofanirwa kudzorwa. Kana mhando dzakasiyana dzezvigadzirwa dzichigovana PCB imwe chete, ma sensor modules avo akasiyana, displays kana wireless populations zvinofanirwa kumirirwa muSKU matrix yakajeka pane kubatwa nemagwaro asina kurongwa.
Kana huwandu hwacho hwakwira, kuchinja kwezvinhu zvinouya uye kutenderera kwemaitiro kunonyanya kukosha. Zvinodiwa zvekutevera zvinofanirwa kuenderana nenjodzi yekutengeserana yechigadzirwa: mamwe matimu anoda zvinyorwa zvakawanda uye zvekudzokorora chete, nepo mamwe achida ma serialization ega ega uye ma sensor identifiers. Zvinodiwa izvozvo zvinokanganisa quotation uye workflow yefekitori, saka zvinofanirwa kuziviswa zvisati zvagadzirwa pane kuwedzerwa mushure mekunge mutsetse wagadziriswa.
Maitiro Ekusarudza Mugadziri wePCB Assembly wePortable CO2 Monitors
Mutengesi ane hunyanzvi haafanire kugadzira algorithm yeCO2 kuti awedzere kukosha. Anofanira kunzwisisa kuti ndeapi magadzirirwo anogona kukanganisa sisitimu yekuyera yakaburitswa uye kuti ndeapi mashanduko anoda mvumo yeinjiniya. Izvi zvinoreva kuongorora kuiswa kwemasensa, kuchengetedza mhepo, kusanganiswa kweSMT/THT, charger heat, RF regions, connector mechanics, BOM substitutions uye production test access seimwe package yekugadzira.
Kune Highleap Electronics, chiyero chinoshanda chinogona kusanganisira kugadzirwa kwePCB isina chinhu, kuwanikwa kwezvikamu, kuunganidzwa kweSMT, kuunganidzwa kweburi kana connector, kuongorora, kuronga mapurogiramu uye kuyedzwa kwebasa kwakatsanangurwa nevatengi. Fekitori haifanirwe kuzviti ine mutoro wekugadzirisa chigadzirwa chekupedzisira, kubvumidzwa kwemutemo kana kururama kwezvakatipoteredza kunze kwekunge maitiro akasiyana akakodzera atsanangurwa zvakajeka.
Zvekutumira kuti uwane RFQ chaiyo
- Gerber/ODB++ uye dhizaini yekugadzira, kusanganisira ukobvu hwebhodhi, zvinodiwa pakurongedza zvinhu pamwe chete uye kupedzisa.
- BOM ine nhamba dzezvikamu zvemugadziri uye chero zvikamu zvinotenderwa kana zvisingatsiviwe.
- Dhirowa yedata rekusarudza nekuisa/centroid uye dhizaini yekuunganidza, kusanganisira polarity uye sensor orientation.
- Datasheet yeSensor kana zvirambidzo zvekuunganidza kana module yeCO2 iine mitemo yakakosha yekuchenesa, kudzoreredza kana kubata.
- Purogiramu yezvirongwa, vhezheni yefirmware uye zvinodiwa zve serialization.
- Kuongororwa kwebvunzo inoshanda nemiganhu, fungidziro dzekugadzirisa uye chero danho rekugadzirisa rakataurwa zvakasiyana.
- Huwandu hunodiwa uye danho rekuvaka: prototype, pilot, kudzokorora kwehuwandu hushoma kana kugadzirwa kwehuwandu hwakarongwa.
Pakeji yakazara inobvumira mugadziri kuti ataure basa riripo. Izvi zvinoderedzawo mukana wekuti mutengo wekutanga wakaderera unokura gare gare kuburikidza nekubhadharisa masensa, nguva yekuronga, zvishandiso zvakakosha kana kuongororwa nemaoko izvo zvisina kumbotsanangurwa muRFQ yekutanga.
Kana dhizaini yacho yagadzirwa, Highleap Electronics inogona kuongorora PCB nePCBA zvichienderana nezvinodiwa zvakaburitswa uye kutsigira shanduko kubva pakugadzirwa kweinjiniya kuenda pakugadzirwa kwakadzokororwa.
Mibvunzo Inonyanya Kubvunzwa
Chinotakurika cheCO2 monitor chinoda maPCB layers mangani?
Hapana nhamba yakatarwa yezvikamu. Monitor iri nyore inoshandisa module inogona kushanda pazvikamu zviviri, nepo zvigadzirwa zvidiki zvine waya dzisina waya, zvinobatanidza zvakawandisa kana zvinodiwa zvakasimba zvepasi zvinowanzo batsirwa nezvikamu zvina. Sarudzo yacho inofanira kutevedzera huwandu hwenzira, nzira dzekudzoka, EMI margin uye zvirambidzo zvekuvhara.
Sensor yeNDIR CO2 inogona kuiswa zvakananga paPCB here?
Ehe, mamwe masensa akagadzirirwa kuiswa zvakananga pabhodhi, asi mamwe anoshandisa ma pin headers, connectors kana cable interfaces. Zvinodiwa nemugadziri wemasensa pakuisa, kudzoreredza, kuchenesa uye zvemakanika zvinofanirwa kutsanangura nzira yekubatanidza.
Kurongeka kwePCB kunokanganisa sei kurongeka kwekuyera CO2?
Kurongeka kunogona kukanganisa mamiriro ekupisa nemagetsi akakomberedza sensor. Machaja, maregulator, ma display nemaredhiyo zvinogadzira kupisa neruzha; nzvimbo isina kunaka inogona kukanganisa tembiricha yemuno kana kukonzera kusagadzikana kwemagetsi kunyangwe module yekunzwa pachayo yakaongororwa.
Hupenyu hwebhatiri hunogona sei kuvandudzwa nekutarisa kweCO2 kunotakurika?
Hupenyu hwebhatiri hunoenderana nekushanda kwesensa, peak uye avhareji yesimba resensa, MCU sleep modes, wireless activity, display mashandisirwo, regulator efficiency uye charger/power-path design. Gadzirisa operating profile yese pane chimwe chinhu chakasiyana.
Ko monitor yeCO2 inofanira kushandisa LDO kana switching regulator here?
Chero chipi zvacho chinogona kukodzera. MaLDO anowanzo kuve nyore uye anogona kupa njanji dzisina ruzha rwakanyanya asi anorasikirwa nekushanda zvakanaka kana voltage yadzikira zvakanyanya. Kuchinja ma converter kunovandudza kushanda zvakanaka asi kunoda kurongeka nekusefa kwakanyatsonaka. Magadzirirwo mazhinji anoshandisa musanganiswa.
Kuyedzwa kwekushanda kwefekitori kwakafanana here nekuongororwa kweCO2?
Kwete. Kuedzwa kwekushanda kunoratidza kuti magetsi akagadzirwa anoshanda zvichienderana nekuongorora kwakatsanangurwa. Kuenzanisa kunoda chiyero chakatsanangurwa, mamiriro egasi, maitiro uye zvinodiwa zvekugamuchira uye zvinofanirwa kutaurwa senzira yakasiyana kana zvichidikanwa.
Mafaira api anodiwa pakuungana kwePCB yekutarisa CO2?
Kazhinji data reGerber kana ODB++, dhizaini yekugadzira, BOM, mafaira e centroid/pick-and-place, dhizaini yekuunganidza, mafaira eprogramming uye functional-test specification. Isa mirairo yekubata sensor uye zvinodiwa zve calibration kana zviri chikamu che factory scope.
Zvinodiwa pakugadzira zvinofanirwa kusimbiswa zvichienderana nemafaira ekugadzira akaburitswa, zvirevo zvevagadziri vezvikamu uye zvinodiwa zvekusimbisa kana zvemitemo zvechigadzirwa chekupedzisira.
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Nzira yekuwana sei quote yePCBs
Ngatiite ongororo yeDFM/DFA kwauri tobva tadzoka kwauri nemushumo. Unogona kurodha mafaira ako zvakachengeteka kuburikidza newebhusaiti yedu. Tinoda ruzivo runotevera kuti tikupe mutengo:
-
- Gerber, ODB++, kana .pcb, spec.
- BOM rondedzero kana iwe uchida kusangana
- uwandu
- Kuchinja nguva
Kune masevhisi ePCBA, ndapota ipa BOM yako (Bhiri reZvinhu) uye chero mirairo yegungano. Isu tinopawo DFM/DFA ongororo yekukwidziridza zvigadziriso zvako zvekugadzira uye kusangana, kuve nechokwadi chekuita kwakatsetseka kwekugadzira.