Bwanamkubwa wamagetsiNdi chipangizo chowongolera liwiro la jenereta, chomwe chimagwiritsidwa ntchito kwambiri popaka, kusindikiza, zamagetsi, zida, zida zamankhwala ndi mafakitale ena ngati chipangizo chowongolera liwiro, malinga ndi chizindikiro chamagetsi chovomerezeka, kudzera mu chowongolera ndi chowongolera kusintha kukula kwa pampu yopangira mafuta, kuti injini ya dizilo izitha kuyenda pa liwiro lokhazikika. Zotsatirazi zikukuthandizani kuphunzira kapangidwe ndi mfundo yogwirira ntchito ya governor wamagetsi.
Kapangidwe kake ndi mfundo yoyendetsera magetsi ndi yosiyana kwambiri ndi kazembe wa makina, ndi kusintha kwa liwiro ndi (kapena) katundu mu mawonekedwe a zizindikiro zamagetsi zomwe zimatumizidwa ku unit yowongolera, ndipo chizindikiro cha voltage (chamakono) chokhazikitsidwa chimayerekezeredwa ndi kutulutsa kwa chizindikiro chamagetsi kupita ku actuator, actuator action imakoka choyikapo mafuta kuti iwonjezere mafuta kapena kuchepetsa mafuta, kuti ikwaniritse cholinga chosintha mwachangu liwiro la injini. Kazembe wamagetsi amalowa m'malo mwa flyweight yozungulira ndi kapangidwe kena mu kazembe wa makina ndi electromagnetic signal control, popanda kugwiritsa ntchito makina, zochita zake zimakhala zomvera, liwiro loyankha ndi lachangu, ndipo magawo amphamvu komanso osasunthika ndi olondola kwambiri; Electronic gavana palibe kazembe ka drive, kakang'ono, kosavuta kuyika, kosavuta kukwaniritsa automatic control.
Pali magavana awiri ofanana amagetsi: gavana wamagetsi wa single pulse ndi gavana wamagetsi wa double pulse. Gavana wamagetsi wa monopulse amagwiritsa ntchito chizindikiro cha speed pulse kuti asinthe mafuta. Gavana wamagetsi wa double pulse ndi liwiro ndi katundu wa chizindikiro cha monopulse ziwiri zomwe zayikidwa kuti zisinthe mafuta. Gavana wamagetsi wa double pulse amatha kusintha mafuta katundu asanasinthe ndipo liwiro silinasinthe, ndipo kulondola kwake ndikokwera kuposa kwa gavana wamagetsi wa single pulse, ndipo zimatha kutsimikizira kukhazikika kwa ma frequency amagetsi.
1- Actuator 2- Injini ya dizilo sensa ya liwiro la 3- Sensa ya liwiro la 4- Dizilo katundu 5- Sensa ya katundu 6- Gawo lowongolera liwiro 7- potentiometer yokhazikitsa liwiro
Kapangidwe kake ka double pulse electronic governor kakuwonetsedwa pachithunzichi. Kapangidwe kake kamakhala ndi actuator, speed sensor, load sensor ndi speed control unit. Magnetoelectric speed sensor imagwiritsidwa ntchito kuyang'anira kusintha kwa liwiro la injini ya dizilo ndikupanga mphamvu ya AC yotulutsa molingana. Load sensor imagwiritsidwa ntchito kuzindikira kusintha kwainjini ya dizilokuyika mphamvu ndikuisintha kukhala mphamvu ya DC yotulutsa mphamvu molingana. Chigawo chowongolera liwiro ndiye maziko a gavana wamagetsi, chomwe chimalandira chizindikiro cha mphamvu yotulutsa mphamvu kuchokera ku sensa ya liwiro ndi sensa yonyamula mphamvu, chimachisintha kukhala mphamvu ya DC yofanana ndikuchiyerekeza ndi mphamvu yokhazikitsa liwiro, ndikutumiza kusiyana pambuyo poyerekeza ndi sensa ngati chizindikiro chowongolera. Malinga ndi chizindikiro chowongolera cha sensa, njira yowongolera mafuta ya injini ya dizilo imakokedwa pamagetsi (hydraulic, pneumatic) kuti iwonjezere mafuta kapena kuchepetsa mafuta.
Ngati injini ya dizilo ikukwera mwadzidzidzi, mphamvu yotulutsa ya sensa yonyamula katundu imasintha kaye, kenako mphamvu yotulutsa ya sensa yothamanga nayonso imasintha moyenerera (ma voliyumu onse amachepa). Zizindikiro ziwiri zochepetsedwa za pulse zomwe zili pamwambapa zimayerekezeredwa ndi mphamvu yokhazikika yamagetsi mu gawo lowongolera liwiro (mtengo woyipa wa sensa ndi wochepera kuposa mphamvu yokhazikika yamagetsi yokhazikika yamagetsi), ndipo mphamvu yokhazikika yamagetsi ndi yotuluka, ndipo njira yotulutsira mafuta ya axial imazunguliridwa mu actuator kuti iwonjezere mphamvu yoperekera mafuta yamagetsi.injini ya dizilo.
M'malo mwake, ngati katundu wa injini ya dizilo watsika mwadzidzidzi, mphamvu yotulutsa ya sensa yonyamula katundu imasintha kaye, kenako mphamvu yotulutsa ya sensa yothamanga nayonso imasintha moyenerera (mitengo imawonjezeka). Zizindikiro ziwiri zapamwamba za pulse zomwe zili pamwambapa zimayerekezeredwa ndi mphamvu yokhazikika yamagetsi mu gawo lowongolera liwiro. Pakadali pano, mphamvu yoyipa ya sensa ndi yayikulu kuposa mphamvu yoyipa yamagetsi yokhazikika yamagetsi. Mphamvu yoyipa yamagetsi ya gawo lowongolera liwiro ndi yotuluka, ndipo njira yochepetsera mafuta a axial imazunguliridwa mu actuator kuti ichepetse mafuta ozungulira.injini ya dizilo.
Izi ndi mfundo yogwirira ntchito ya bwanamkubwa wa zamagetsi waseti ya jenereta ya dizilo.
Nthawi yotumizira: Meyi-07-2024