Umbusi we-elekthronikhiiyithuluzi lokulawula ukulawula ijubane lejeneretha, elisetshenziswa kabanzi ekupakisheni, ekunyatheliseni, kuma-elekthronikhi, ekufakeni izinsimbi, emikhiqizweni yezokwelapha nakwezinye izimboni njengedivayisi elawula ijubane, ngokwesignali kagesi eyamukelekile, ngokusebenzisa isilawuli kanye ne-actuator ukushintsha usayizi wephampu yokufaka uphethiloli, ukuze injini yedizili ikwazi ukusebenza ngesivinini esizinzile. Lokhu okulandelayo kukuholela ekufundeni isakhiwo kanye nesimiso sokusebenza se-governor ye-elekthronikhi.
I-electronic governor esakhiweni kanye nomgomo wokulawula ihluke kakhulu ku-mechanical governor, ijubane kanye (noma) izinguquko zomthwalo ngesimo sezimpawu ze-elekthronikhi ezidluliselwa kuyunithi yokulawula, futhi isignali ye-voltage (yamanje) esethiwe iqhathaniswa nokukhishwa kwesignali ye-elekthronikhi ku-actuator, isenzo se-actuator sidonsa i-rack yokuphakelwa kawoyela ukuze sigcwalise uphethiloli noma sinciphise uwoyela, Ukuze kufezwe inhloso yokulungisa ngokushesha ijubane lenjini. I-electronic governor ithatha indawo ye-flyweight ejikelezayo kanye nezinye izakhiwo ku-mechanical governor ngokulawula isignali kagesi, ngaphandle kokusebenzisa indlela yokusebenza, isenzo siyazwela, isivinini sokuphendula siyashesha, futhi amapharamitha ashukumisayo naqinile anembile kakhulu; I-electronic governor akukho ndlela yokushayela i-governor, usayizi omncane, kulula ukuyifaka, kulula ukuyifinyelela ukulawula okuzenzakalelayo.
Kunezigungu ezimbili ezivamile ze-elekthronikhi: i-single pulse electronic governor kanye ne-double pulse electronic governor. I-monopulse electronic governor isebenzisa isignali ye-speed pulse ukulungisa ukunikezwa kukaphethiloli. I-double pulse electronic governor yijubane kanye nomthwalo wesignali ezimbili ze-monopulse ezibekwe phezulu ukulungisa ukunikezwa kukaphethiloli. I-double pulse electronic governor ingalungisa ukunikezwa kukaphethiloli ngaphambi kokuba umthwalo ushintshe futhi ijubane lingashintshi, futhi ukunemba kokulungiswa kwayo kuphakeme kunokwe-single pulse electronic governor, futhi ingaqinisekisa ukuzinza kwemvamisa yokunikezwa kukaphethiloli.
1- I-Actuator 2- Injini yedizili inzwa yesivinini esi-3 4- umthwalo wedizili inzwa yesisindo esi-5 6- Iyunithi yokulawula isivinini 7- i-potentiometer yokusetha isivinini
Ukwakheka okuyisisekelo kwe-double pulse electronic governor kuboniswe esithombeni. Yakhiwe kakhulu yi-actuator, i-speed sensor, i-load sensor kanye ne-speed control unit. I-Magnetoelectric speed sensor isetshenziselwa ukuqapha ushintsho lwejubane lenjini yedizili futhi ikhiqize ukuphuma kwe-AC voltage ngokulinganayo. I-load sensor isetshenziselwa ukuthola ushintsho lweinjini yedizililayisha bese uyiguqula ibe yi-DC voltage output ngokulinganayo. Iyunithi yokulawula isivinini iyinhloko ye-electronic governor, eyamukela isignali ye-voltage output evela ku-speed sensor kanye ne-load sensor, iyiguqule ibe yi-DC voltage elinganayo bese iyiqhathanisa ne-speed setting voltage, bese ithumela umehluko ngemva kokuqhathaniswa ne-actuator njengesignali yokulawula. Ngokusho kwesignali yokulawula ye-actuator, indlela yokulawula uwoyela yenjini yedizili idonswa ngogesi (hydraulic, pneumatic) ukuze igcwalise uphethiloli noma inciphise uwoyela.
Uma umthwalo wenjini kadizili ukhuphuka ngokuzumayo, i-voltage yokuphuma kwe-sensor yomthwalo iqala ishintshe, bese i-voltage yokuphuma ye-sensor yejubane nayo ishintsha ngokufanele (amanani wonke ayancipha). Izimpawu ezimbili ezingenhla ezincishisiwe ze-pulse ziqhathaniswa ne-voltage yejubane elibekiwe kuyunithi yokulawula ijubane (inani lesignali elibi le-sensor lingaphansi kwenani lesignali elihle le-voltage yejubane elibekiwe), kanye nesignali ye-voltage enhle iyaphuma, futhi isiqondiso sokugcwalisa i-axial yokuphuma siyajikeleziswa ku-actuator ukwandisa ukuphakelwa kukaphethiloli womjikelezo we-injini yedizili.
Ngokuphambene nalokho, uma umthwalo wenjini kadizili wehla ngokuzumayo, i-voltage yokukhipha ye-load sensor iyashintsha kuqala, bese i-voltage yokukhipha ye-speed sensor nayo iyashintsha ngokufanele (amanani ayakhuphuka). Izimpawu ezimbili eziphakeme ze-pulse ezingenhla ziqhathaniswa ne-voltage yesivinini esibekiwe kuyunithi yokulawula isivinini. Ngalesi sikhathi, inani lesignali elibi le-sensor likhulu kunenani lesignali elihle le-voltage yesivinini esibekiwe. Isignali ye-voltage engalungile yeyunithi yokulawula isivinini iyaphuma, futhi isiqondiso sokunciphisa uwoyela we-axial ophumayo siyajikeleziswa ku-actuator ukuze kuncishiswe ukuphakelwa kukawoyela womjikelezo we-injini yedizili.
Lokhu okungenhla kuyisimiso sokusebenza sombusi we-elekthronikhi weisethi yejenereyitha kadizili.
Isikhathi sokuthunyelwe: Meyi-07-2024