I-valve ye-butterfly elawulwa nge-hydraulic iwumshini othuthukisiwe wokulawula amapayipi ekhaya naphesheya. Ifakwe ikakhulukazi endaweni yokungena enjini kagesi yesiteshi sikagesi wamanzi futhi isetshenziswe njengevalvu yokungena enjini yomoya; Noma efakwe endaweni yokongiwa kwamanzi, amandla kagesi, amanzi kanye ne-drainage pump outlet, esikhundleni se-valve yokuhlola kanye ne-valve yesango. Lapho isebenza, i-valve ibambisana nenjini eyinhloko yepayipi, ngokomgomo wenqubo yokuguqula i-hydraulic, futhi ngokusebenzisa izinqubo zokuvula nokuvala esethiwe, ingabona ukunqanyulwa okuthembekile kwepayipi, ukuqeda ngempumelelo isando samanzi ipayipi, futhi ibambe iqhaza ekuvikeleni ukuphepha kohlelo lwamapayipi.

Isimiso sokusebenza

Amandla okuvala agodliwe wesando esisindayo sokulawula ukuvala isheke uvemvane valve amandla asando esindayo, ahlukaniswe abe isando esindayo ukucindezela okuzenzakalelayo nokugcina ukulawulwa kwamanzi okuhamba kancane kuvala isheke uvemvane (ngemuva kwalokhu okubizwa ngokuthi uhlobo olusindayo olugcina isando) kanye nokukhiya okusindayo. ukucindezela okuzenzakalelayo kwesando nokugcina i-hydraulic control ivala kancane hlola uvemvane valvu (ngemuva kwalokhu ebizwa ngokuthi uhlobo lokukhiya isando esindayo). Izimo zesevisi ikakhulukazi zihlanganisa isimo sephampu ye-centrifugal, isimo sepompo ye-axial flow kanye nesimo se-turbine.

Isimo sokusebenza sephampu ye-centrifugal enokuvulwa kwevalvu (okuhlanganisa nephampu yokugeleza exubile ye-centrifugal): qala iphampu kuqala, bese uvula ivalvu ngemva kokubambezeleka kwesikhathi esihleliwe.

Isimo sokusebenza sephampu yokugeleza kwe-valve evulekile ye-axial (kuhlanganise nepompo yokugeleza okuxubile kwe-axial): vula i-valve yepompo ngesikhathi esifanayo, noma uvule i-valve endaweni ethile kuqala, bese uqala iphampu.

Isimo sokusebenza se-valve yokuvula i-turbine: qala uvule i-valve yokudlula ukulinganisa ukucindezela, bese uvula i-valve, bese uvula i-turbine.

Ngokuvamile kuyadingeka ukuvala i-valve ngesikhathi esifanayo sokuvala noma ukuhluleka kwamandla ngaphansi kwezimo ezihlukahlukene zokusebenza.

Umgomo oyisisekelo wokusebenza kwe-electro-hydraulic imi kanje:

Lapho uvula i-valve, i-valve ye-solenoid iyahlehla, ipompo likawoyela liyaqala, futhi uwoyela we-hydraulic ungena ku-cylinder kawoyela ngevalvu yokulawula ukugeleza kanye nepayipi lokucindezela okuphezulu ukuze usunduze iphiston futhi ushayele i-lever exhunywe nayo ukuze uphakamise isando esindayo ukuze vula i-valve. Ngemuva kokuthi i-valve ivuliwe endaweni, isistimu yokugcina ingcindezi ezenzakalelayo iqala; Injini iyaqhubeka nokushaja i-accumulator. Lapho ingcindezi ifinyelela endaweni yokusetha ingcindezi ephezulu, iphampu yamafutha iyayeka. Isikhathi sokuvula i-valve singalungiswa ngokuzungezisa isondo lesandla se-valve yokulawula ukugeleza, futhi ububanzi bokulungiswa yimizuzwana engu-10 ~ 90.

Lapho isistimu ivuza futhi ingcindezi yehla ifika endaweni yokusetha ingcindezi ephansi, injini yepompo kawoyela iqala ngokuzenzakalelayo futhi ima ngemva kokufinyelela endaweni yokusetha ingcindezi ephezulu.

Lapho uvala i-valve, i-valve ye-solenoid iyahlehla, uwoyela ocindezelayo ku-cylinder kawoyela ubuyela ethangini likawoyela nge-valve egeleza ehlangene esheshayo nenensayo, ipayipi elinomfutho ophezulu kanye ne-solenoid valve, isando esindayo siyawa, bese induku yokuxhuma ishayela. ipuleti uvemvane ukuzungeza ukuvala valve, ukuze unqamule ngokushesha iningi ukugeleza kwamanzi mayelana 70% unhlangothi odlule; I-30% yokugcina ye-stroke ivalwa kancane. I-engeli yokuvala okusheshayo nokunensayo kanye nesikhathi se-buffer sesiteji ngasinye kungalungiswa ngokuvumelana nezimo zangempela zokusebenza zepayipi ukuze kuqedwe ngempumelelo isando samanzi epayipini; Isikhathi sokulungisa imizuzwana emi-2 kuye kwengama-25 yokuvala ngokushesha namasekhondi ayi-6 kuye kwangama-90 wokuvala kancane.

Ngenqubo yokuvula nokuvala, i-valve ingamiswa kunoma iyiphi indawo ephakathi ngenkinobho yokumisa. Isenzo sokumisa sisetshenziselwa kakhulu ukulungisa iphutha lesistimu.

Iphampu eyenziwa ngesandla isetshenziselwa kakhulu ukulungisa iphutha lesistimu. Uma ugesi ungekho noma iphampu yamafutha ayikwazi ukusebenza ngokujwayelekile, ukunyakazisa iphampu yezandla kungabuye kuqedele ukuvulwa kwe-valve kanye nokugcinwa kwengcindezi yesistimu. Vula ivalvu yokumisa evamise ukuvaleka, ngaphansi kwesenzo samandla anamandla esando kanye netorque ye-hydrodynamic, induku yokuxhuma ishayela ipuleti lovemvane ukuze lijikelezise ukuze livale ivalvu.