Maitiro Ekusarudza ESC PCB Yakakodzera yeQuadcopter Yako Yakagadzirwa | Gwaro Renyanzvi
Zviri Mukati
- Nhanganyaya
- Basa Guru: Chii Chinoitwa neESC PCB?
- Kugadzirisa ESC PCB: Zvikamu Zvikuru Nemhedzisiro Yazvo
- Kushanda pamwe chete neMugadziri wePCBA Akakodzera
- Rondedzero Inoshanda Yekusarudza Kwako
- Nheyo yeKubhururuka
Munyika yekuvaka ma quadcopter akagadzirwa nemaoko, mufaro uri mukushandisa simba rese kubva mumuchina wako. Kunyange zvazvo mafuremu, mota, uye mapropeller zvichiwana mukurumbira wakawanda, vatyairi vendege vane ruzivo vanoziva kuti gamba rechokwadi risingazivikanwe—uye chinhu chinowanzo kundikana—ndiElectronic Speed Controller (ESC) Printed Circuit Board (PCB).
Kusarudza ESC ichangobva kugadzirwa chimwe chinhu, asi kugadzira kana kusarudza ESC PCBA (Printed Circuit Board Assembly) yakasiyana. Isarudzo yakakosha inosarudza kuvimbika, kupindura, uye simba rekupedzisira requad yako. Gwaro iri richaongorora hunyanzwi hwehunyanzvi hweESC PCBs, richikupa simba rekuita sarudzo dzakangwara dzekuvaka kwako kunotevera kwekushanda kwepamusoro.
Basa Guru: Chii Chinoitwa neESC PCB?
Usati wanyatsoongorora zvinodiwa pakusarudza, zvakakosha kuti unzwisise basa reESC. Inoshanda semurevereri pakati pemutongi wendege (uropi) nemamota asina brushless (tsandanyama). Mabasa ayo makuru ndeaya:
- Kuchinja Kwemagetsi: Inochinja nekukurumidza mafungu emagetsi akakwira kubva pabhatiri kuenda kumatanho matatu emota (A, B, C) kuti igadzire simba remagineti rinotenderera.
- Kutaurirana: Inodudzira zviratidzo kubva kumuchina wekutonga ndege (kazhinji PWM, DShot, kana Proshot protocols) kuti ione kumhanya kwemota kunodiwa.
- Telemetry: MaESC epamusoro anopa data remhinduro (RPM, current draw, tembiricha) kudzokera kumutongi wendege kuti agadziriswe uye atarisirwe.
PCB ndiyo nheyo inochengeta zvese zvinogonesa mabasa aya. Dhizaini yayo inokanganisa zvakananga kushanda zvakanaka, kupisa, uye ruzha rwemagetsi rwehurongwa hwese.
Kugadzirisa ESC PCB: Zvikamu Zvikuru Nemhedzisiro Yazvo
ESC PCB inoshanda zvakanyanya haisi bhodhi rine zvikamu chete; isystem yakagadzirwa zvakanaka.
A. MOSFET (Maswichi emagetsi)
Izvo zviri: Matransistori esimbi-okisidhe-semiconductor emumunda ndiwo mabhiza anoshanda nesimba anotakura mutoro wemagetsi wakakwira.
Maitiro Ekusarudza:
- RDS(Yakavhurwa): Uku ndiko kuramba kana FET yatanga. Kudzika kuri nani. RDS(ON) yakaderera zvinoreva kuti simba shoma rinoraswa sekupisa, zvichiita kuti mota dzako dzishande zvakanaka uye dzive nesimba rakawanda.
- Kuyera Voltage: Inofanira kudarika voltage yebhatiri rako zviri nyore (semuenzaniso, 30V-40V FETs ye6S LiPo ~25.2V). Kuongororwa kwevoltage yakakwira kunopa mukana wekuchengetedza kubva pakukwira kwevoltage.
- Kubata Kwazvino: Ma ratings emagetsi anoenderera mberi uye anotenderera anofanira kusangana nezvinodiwa nemamota ako kana achinge akanyanya kuremerwa.
- Kumhanya Kwekuchinja: Kuchinja nekukurumidza kunobvumira maPWM frequency akakwira, zvichiita kuti mota ishande zvakanaka. Zvisinei, inofanira kutarisirwa kudzivirira kupindirana kwemagetsi (EMI).
B. Chigadziko cheMicrocontroller (MCU - Uropi)
Chii ichocho: Purosesa inoshandisa ESC firmware (semuenzaniso, BLHeli_32, AM32, KISS).
Maitiro Ekusarudza:
- Simba Rekugadzirisa: MaMCU emazuva ano e32-bit (akaita seARM Cortex-M0) akatsiva zvakanyanya machipisi ekare e8-bit. Anogonesa maficha epamusoro: mwero wepamusoro wekuvandudza (DShot1200), maalgorithms akanyanya kunaka (RPM filtering), uye telemetry, zvese zvichibatsira mukubhururuka kwakanaka uye kutonga kwakarurama.
- Kuenderana kweFirmware: Sarudzo yako yeMCU ndiyo ichasarudza kuti ndeipi firmware yaunogona kushandisa. Iva nechokwadi chekuti mugadziri wako anogona kuwana maMCU anotsigirwa nefirmware yaunoda.
C. Kurongeka uye Dhizaini yeNdege yeMagetsi
Apa ndipo panobva dhizaini yePCB yava chimiro chehunyanzvi.
- Nzira Dzazvino: Madonhwe ane simba remagetsi rakawanda (kubva pakupinda kwebhatiri kuenda kuFET kusvika kumagetsi anobuda) anofanira kunge ari pfupi, yakafara, uye gobvuMaESC mazhinji emhando yepamusoro anoshandisa 2oz kana kunyange 3oz zvidimbu zvemhangura kuderedza kuramba uye kuvandudza kupisa.
- MaCapacitor Ekubvisa Madhaka: Kuiswa uye kukosha kwema capacitor hazvigone kutaurirana. capacitor yakawanda pakupinda, inogadzirisa voltage yebhatiri, ukuwo ichiita diki ma capacitor edomeriki Zvichiiswa pedyo zvikuru neFET zvinodzvinyirira ruzha rwemafrequency akakwira. Kusasarudzwa zvakanaka kwe capacitor kana kuiswa kwayo ndiko kunonyanya kukonzera desyncs uye kuputika kwevoltage inoparadza.
- Kutarisira Kupisa: PCB pachayo inodziya moto. Mapedhi emhangura akajeka pasi peMOSFET, dzakabatana nendege yepasi kuburikidza ne magirazi ekupisa, zvakakosha pakubvisa kupisa kubva muzvikamu uye kuenda mumhepo kana pa heatsink yekunze.
D. Zvimwe Zvimwe
- Sensor Yazvino: Chip yakatsaurirwa kuyera kudhonzwa kwesimba remagetsi panguva chaiyo, yakakosha pakugadzirisa nharembozha uye kugadzirisa mabhatiri.
- Kunyora Mabhokisi Matema: Mamwe maESC anogona kuchengetedza ruzivo rwekubhururuka mukati, chishandiso chakakosha chekugadzirisa matambudziko nekugadzirisa.
- 4-mu-1 vs. Single ESCs: ESC ine 4-in-1 inobatanidza maESC mana paPCB imwe chete, zvichichengetedza nzvimbo nehuremu. MaESC ega ega anonyanya kushandiswa uye ari nyore kutsiva mushure mekudonha kwePCB. Sarudzo yacho inokanganisa kuoma kwePCB.
Kushanda pamwe chete neMugadziri wePCBA Akakodzera
Kana uri kutenga chinhu chakagadzirwa nemaoko ako, hausi kungotenga chimwe chinhu chete, asi uri kutsvaga mubatsiri wekugadzira. Hezvino zvekutarisa:
- Ruzivo neMagadzirirwo Akawanda uye Ane Nguva Yakawanda: Havasi vese vagadziri vePCB vanonzwisisa matambudziko akasiyana ekugadzira ESC. Bvunzai mienzaniso yebasa ravo mumagetsi emagetsi.
- Kusarudzwa Kwezvinhu: Vanofanira kukurudzira zvinhu zvakakodzera zvakaita seTG170-180 PCBs kuti dzikwanise kusimba zvakanyanya pakupisa uye kuti dzive nemhangura yakakora.
- Kugona Kuungana: Dzinofanirwa kuve nehunyanzvi hwekuisa zvikamu zvidiki (senge 0201 resistors/capacitors) nemazvo uye kubata kusungirirwa kwezvikamu zvikuru zvethermal mass (MOSFETs) pasina kukonzera kukuvara.
- Kuedza uye Kudzora Hunhu (QC): Bvunza nezvemaitiro avo eQC. Kuongororwa kweFlying Probe kushoma. Kune vanogadzira zvinhu zvepamusoro-soro, kuyedzwa kunoshanda pasi pekuremerwa kunokurudzirwa zvikuru.
- Rutsigiro rweKugadzira Kwekugadzira (DFM): Mugadziri akanaka achaongorora mafaira ako eGerber uye opa mhinduro yekuvandudza goho uye kuvimbika, achibata matambudziko angangoitika asati agadzirwa.
Rondedzero Inoshanda Yekusarudza Kwako
| Chikamu | Mibvunzo Yekubvunza | Zvekutarisa |
|---|---|---|
| Kushanda | Ndeipi chiyero chemazuva ano chakatarwa? (semuenzaniso, 45A inoenderera mberi, 55A burst)? | MaFET ane RDS(ON) yakaderera zvakakwana uye chiyero chemazuva ano. |
| Ndedzipi nzira dzekushandisa uye mwero wekuvandudza wandinoda? (DShot600, DShot1200)? | 32-bit MCU inoenderana neBLHeli_32 kana AM32 firmware. | |
| Kuvimbika | Kupisa kunodzorwa sei? | Mapurani emagetsi akasimba, ma "thermal vias", uye mazano ekushandisa pa "external heatsinking". |
| Dhizaini yacho yakachengetedzwa kubva pakukwira kwemagetsi here? | Ma capacitor ekupinda akakura zvakanaka uye akaiswa panzvimbo yakakodzera. | |
| Kugadzira | Mugadziri anogona kuziva chinangwa changu chekugadzira here? | Humbowo hwebasa rakafanana, rutsigiro rweDFM, uye kugona kwesimbi yakakora. |
| Chigadzirwa chekupedzisira chinoedzwa sei? | Kuzvipira kuyedzwa kwemagetsi zvizere uye bvunzo dzekushanda dzinosarudzwa. |
Nheyo yeKubhururuka
Kusarudza ESC PCB chaiyo kunoda mari yakawanda mukushanda uye kuvimbika kwequadcopter yako yakagadzirwa. Ichi chisarudzo chinosanganisa mainjiniya emagetsi, thermodynamics, uye kugadzirwa kwakanyatsojeka. Nekufamba kupfuura kungoti chete uye kunzwisisa chikonzero chekusarudzwa kwezvikamu uye marongerwo azvo, unozvipa simba rekusarudza kana kugadzira bhodhi risiri chikamu chete, asi moyo wakasimba uye unoshanda zvakanaka wendege yako.
Usarega chivakwa chako chichingoitika. Batana nemugadziri wePCBA anotaura mutauro wekushanda uye kunyatsorurama.
