Gavhuna wemagetsimudziyo wekudzora kumhanya kwejenareta, unoshandiswa zvakanyanya mukupakira, kudhinda, zvemagetsi, zvishandiso, michina yekurapa nedzimwe nzvimbo dzekugadzira semudziyo unodzora kumhanya, zvinoenderana nechiratidzo chemagetsi chinogamuchirwa, kuburikidza ne controller ne actuator kushandura saizi yepombi yekuisa mafuta, kuitira kuti injini yedhiziri ikwanise kumhanya nekumhanya kwakasimba. Izvi zvinotevera zvinokutungamira kuti udzidze chimiro uye musimboti wekushanda kwe electronic governor.
Gavhuna wemagetsi muchimiro uye musimboti wekudzora wakasiyana zvikuru negavhuna wemagetsi, ndiko kuchinja kwekumhanya uye (kana) mutoro muchimiro chezviratidzo zvemagetsi zvinotumirwa kuyuniti yekudzora, uye chiratidzo chemagetsi (chazvino) chakaiswa chinoenzaniswa nekubuda kwechiratidzo chemagetsi kuenda kuactuator, chiito cheactuator chinodhonza rack yekupa mafuta kuti iwedzere mafuta kana kuderedza mafuta, Kuti uwane chinangwa chekugadzirisa nekukurumidza kumhanya kweinjini. Gavhuna wemagetsi anotsiva flyweight inotenderera nezvimwe zvivakwa mugavhuna wemagetsi nekutonga kwechiratidzo chemagetsi, pasina kushandisa mechanic mechanism, chiito chacho chinonzwisisika, kumhanya kwekupindura kunokurumidza, uye ma dynamic uye static parameters akanyatsojeka; Electronic gavhuna isina gavhuna drive mechanism, saizi diki, iri nyore kuisa, iri nyore kuwana otomatiki control.
Kune magoverno maviri emagetsi akafanana: single pulse electronic governor uye double pulse electronic governor. Monopulse electronic governor inoshandisa speed pulse signal kugadzirisa mafuta. Double pulse electronic governor ispeed uye mutoro wemonopulse signal mbiri dzakaiswa kuti dzigadzirise mafuta. Double pulse electronic governor inogona kugadzirisa mafuta musati wachinja mutoro uye kumhanya kusina kuchinja, uye kururama kwekugadzirisa kwayo kwakakwira kupfuura kwe single pulse electronic governor, uye inogona kuve nechokwadi chekugadzikana kwefrequency yemagetsi.
1- Actuator 2- Injini yedhiziri sensor ine ma speed matatu 4- dhiziri load sensor ine load 5- 6- Speed control unit ine speed setting potentiometer 7- speed setting
Muumbirwo wekutanga we "double pulse electronic governor" unoratidzwa mumufananidzo. Unonyanya kuumbwa ne "actuator", "speed sensor", "load sensor" uye "speed control unit". Magnetoelectric speed sensor" inoshandiswa kutarisa shanduko yekumhanya kweinjini yedhiziri uye kugadzira AC voltage output zvakaenzana. "Load sensor" inoshandiswa kuona shanduko yekumhanya kweinjini.injini yedhiziriload woishandura kuita DC voltage output zvakaenzana. Speed control unit ndiyo musimboti we electronic governor, iyo inogamuchira output voltage signal kubva ku speed sensor ne load sensor, inoishandura kuita proportional DC voltage uye inoienzanisa ne speed setting voltage, uye inotumira mutsauko mushure mekuenzaniswa ne actuator se control signal. Zvichienderana ne control signal ye actuator, oil control mechanism ye diesel control engine inodhonzwa nemagetsi (hydraulic, pneumatic) kuti iwedzere mafuta kana kuderedza mafuta.
Kana mutoro weinjini yedhiziri ukawedzera kamwe kamwe, voltage inobuda ye sensor ye load inotanga yachinja, uye voltage inobuda ye sensor ye speed inochinjawo zvinoenderana (hunhu hwese hunodzikira). Zviratidzo zviviri zve pulse zvakaderedzwa pamusoro apa zvinoenzaniswa ne voltage inobuda mu speed control unit (negative signal value ye sensor iri pasi pe positive signal value ye voltage inobuda), uye positive voltage signal inobuda, uye output axial refueling direction inotenderedzwa mu actuator kuwedzera cycle fuel supply yeinjini yedhiziri.
Kusiyana neizvi, kana mutoro weinjini yedhiziri ukangoerekana wadzikira, voltage inobuda ye sensor ye load inotanga yachinja, uye voltage inobuda ye sensor ye speed inochinjawo zvinoenderana (hunhu hunowedzerwa). Zviratidzo zviviri zviri pamusoro apa zvinoenzaniswa ne voltage inosimudzwa mu speed control unit. Panguva ino, negative signal value ye sensor yakakura kupfuura positive signal value ye voltage inosimudzwa. Negative voltage ye speed control unit inobuda, uye output axial oil reduction direction inotenderedzwa mu actuator kuderedza cycle oil supply yeinjini yedhiziri.
Zviri pamusoro apa ndiyo musimboti wekushanda kwegavhuna wemagetsi weseti yejenareta yedhiziri.
Nguva yekutumira: Chivabvu-07-2024