DC DC inoshandura: zvese zvaunoda kuti uzive nezvazvo

DC DC inoshandura

Ichi chinyorwa chichaiswa kune imwe nyowani zvemagetsi chikamu chekuwedzera kune iyo chinyorwa. Chishandiso chaunogona zvakare kusanganisa nemabhodhi ekuvandudza, senge Arduino. Zvakare, kana iwe uchida kuziva zvakawanda nezve chii a DC DC inoshandura, apa unogona kudzidza zvese zvakakosha nezve ino dunhu, kubva pane zvazviri, kune mashandiro ayo uye mashandisiro ayo.

Sezvauri kuona, chishandiso icho haichinje kubva kune imwe mhando yazvino kuenda kune imwe, se magetsi, uye izvo zvinogona kuve zvakafanana nezvimwe zvinhu voltage regulators, sezvo zvichachinja chaizvo ukuru ...

Chii chinonzi DC DC inoshandura?

DC DC inoshandura

Un DC-DC inoshandura Iyo mhando yemushanduri iyo inozoshanduka kubva kune yakananga ikozvino kuenda kune imwe yakananga ikozvino, asi iine akasiyana voltage nhanho. Ndokunge, haina kushandura pakati pemhando dzazvino, inongogadziridza mwero wemagetsi. Uye zvakare, iwo akakurumbira maseketi mune zvemagetsi (robhoti, drones, magetsi, emagetsi mota, majaja, ...).

Aya DC DC vashanduri ivo vanozo chengeta simba iyo inopinda mune yekuchengetera kwenguva pfupi uyezve vozoiendesa kune imwe nzira kune imwe voltage. Kuti izvo zvigoneke, magineti ekuchengetera senge ma inductors kana emagetsi chengetedzo senge ma capacitors anofanirwa kushandiswa. Paunenge uchiita commutation, transistors, diode, nezvimwe zvinoshandiswa.

Semuenzaniso, zvingave zvakajairika kuwana DC DC Buck Vanoshandura, iine LM2596 iyo inogona kuve neyakajairwa yekuisa 4.5v kusvika ku40v DC uye inobuda 1.23 kusvika 37v DC.

Vamwe DC DC vashanduri vanobvumira kuchinjirwa kwesimba mune inodavidzaKune izvi, ma diode eakajairwa vashanduri anotsiviwa akazvimiririra anodzorwa transistors. Iyi imwe mhando yekutendeuka inoshandiswa kune mamwe masisitimu senge anovandudza mota mabhureki kana KERS.

Kana iri fomati, iwe uchavawana vari muchimiro che integrated circuitsVanogona zvakare kuuya muchimiro chemojuru, nezvimwe zvinhu zvakawedzerwa kuti zviwedzere kushanda uye kuti dzinogona kushandiswa nenzira yakapusa.

Mhando dzevanoshandura

Kune akasiyana mhando dze DC DC vashanduri, Zvinoenderana nehukuru hwayo. Anonyanya kujairika ndeaya:

  • BHUKU: ndiyo yakapusa uye inowanzo kuve yakajairika. Iyo ine yekuisa uye inoburitsa ivhu pamwechete, nekudaro, haina zvabuda zvasarudzika kubva kune yekuisa. Mhepo inoburitsa ichave yakaderera, uye neyakaenzana polarity seyeyeyakapinza.
  • Elevator (Kuwedzera) : mune iyi imwe mhando yeDC DC inoshandura, iyo yekubuda voltage inogara yakakwira kupfuura yekuisa voltage Ndokunge, inowedzera iwo voltage pane kuidzikisa. Kuburitsa kwacho hakuna kusarudzika kubva kune yekuisa kana, nekuti vane ivhu pamwechete. Dambudziko nderekuti haugone kudzikamisa izvo zviripo izvo zvemagetsi.
  • Dzorera kana kudzorera (Flyback): iyo yekubuditsa voltage inogona kuve ese ezasi uye akakwirira pane iyo yekuisa magetsi, asi neakadzoreredza polarity. Icho mhando yechinoshandura inogona kuve neinobuda yekuisa yezvinobuda kana kwete. Mune izvo zvakasarudzika, zvinoitwa kuburikidza neshanduko.
  • Direct (Pamberi): inoshanda zvakafanana neBuck, asi iine shandurudzo inoita sekuputira pakati pekupinza nekubuda, ichikwanisa kuburitsa zvakabuda zvakawanda uye nemhepo yepamusoro pane yekuisa, zvinoenderana nemhepo yechipiri.
  • Kusunda-kudhonza (PUSH-PULL): inoshandisa ma transistors pakuisa kwepuraimari, ichiita masaisai akaenzana, uye ma diode mune yechipiri, ichiwana kugadzirisa kwekaviri wave.
  • Bridge: mukumhanyisa yechipiri kwakafanana nekusunda-kumhanyisa ichitenderera, asi muprimary inoita symmetric wave ine mana mabhiriji transistors anoshanda ari maviri.
  • Hafu-Bridge: iko kurerukirwa kweiyo DC DC bhiriji inoshandura, iine maviri ma transistor uye maviri ma capacitor muprimary.

Kwokutenga DC DC inoshandura Arduino

DC dc inoshandura module

Iwe unogona kuwana kuwanda kwemafomati uye mhando dzeDDC DC vashanduri kuisa mune ako mapurojekiti. Ivo vanowanikwa kwauri muzvitoro zvine hunyanzvi mune zvemagetsi zvigadzirwa, kana zvakare mune makuru epamhepo mapuratifomu akadai seAmazon. Kana iwe uchida mumwe weava vashanduri, pano enda mamwe mazano:


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