Ndi kubwera kwa zaka za mafakitale, kufunikira kwakukulu kwavalve solenoidzinthu zomwe zili pamsika zikuchulukirachulukira tsiku ndi tsiku, ndipo mosakayikira zakhala imodzi mwazinthu zomwe zimagwiritsa ntchito makina owongolera madzimadzi. Malinga ndi momwe ma valve otsegulira amagwirira ntchito, atha kugawidwa m'magulu awiri akuluakulu omwe amagwiritsidwa ntchito nthawi zambiri: mavavu oyendetsa{1}}oyendetsedwa ndi solenoid ndi ma valve olunjika-ma valve a acting solenoid. Komabe, ngati kusankha kuli kosayenera, kungayambitse mosavuta zinthu monga valavu ya solenoid yosagwira ntchito, ndipo panthawi imodzimodziyo, idzakhudza kwambiri chitetezo cha ntchito ndi ntchito. Ndiye tingasiyanitse bwanji kusiyana pakati pa ziwirizi ndi mikhalidwe yake kuti zigwiritsidwe ntchito bwino? Nkhaniyi ikufotokoza mwatsatanetsatane. Chonde onani zomwe zili pansipa
Kusiyana pakati pa ma valve a direct-acting solenoid valves ndi pilot{1}}operated solenoid valves
Pressure resistance: Woyendetsa-vavu yoyendetsedwa ndi solenoid imatha kupirira kuthamanga kwambiri kwa hydraulic kuposa yowongoka{1}}kudzera mu valavu ya solenoid.
Nthawi yoyankhira: Nthawi yoyambira-kuthamanga kwachindunji{1}}mavavu a acting solenoid ndi yachangu kuposa ya oyendetsa-oyendetsa, ndipo amagwiritsidwa ntchito kwambiri m'malo omwe akufunika kudula mwachangu-. Chifukwa mu valavu yoyendetsa-yoyendetsedwa ndi solenoid, valavu yaing'ono imatsegula poyamba ndipo valavu yaikulu imatsegulidwa pambuyo pake ikayatsidwa, pamene molunjika-valavu yochitira solenoid, valavu yaikulu imatsegula mwachindunji.
Kuchuluka kwa mafunde: Kuchuluka kwa mavavu oyendetsa-mavavu a solenoid ndi okulirapo kuposa{1}}awo ochita masewero. Nthawi zambiri, mtengo wa CV ukhoza kufika pa 3, pamene mtengo wa CV wa direct{4}} acting solenoid valves nthawi zambiri umakhala wosakwana 1.
Mphamvu ndi kutayika: Mphamvu ndi kutayika kwa mavavu achindunji-ama acting solenoid valves ndiakulu kuposa a oyendetsa-awo oyendetsa.
Zofunikira paukhondo wapakatikati: Mavavu oyendetsa-ogwiritsidwa ntchito ndi solenoid ali ndi zofunika kwambiri kuti pakhale ukhondo wapakati, pomwe ma valve olunjika{1}}ogwira ntchito sali okhwima kwambiri.
Direct-vavu ya solenoid
Direct-ma valve a acting solenoid nthawi zambiri amagwiritsidwa ntchito m'magawo ang'onoang'ono-ndi m'mimba mwake-papatali. Pamene valavu yamtunduwu imatsegulidwa, sichifuna kupanikizika kochepa kwa sing'anga ndipo imayambira pa zero. Chifukwa chake, poyerekeza ndi mavavu oyendetsa-oyendetsedwa ndi solenoid, kuthamanga kwake-kumakhala kwachangu, zomwe zimapangitsa kukhala koyenera malo omwe amafunikira kuzimitsa mwachangu{7}}.
Mawonekedwe: Mphamvu zake ndizokwera kuposa zoyendetsa-mavavu a solenoid oyendetsedwa, nthawi zambiri amakhala kuyambira mawati 5 mpaka 20. Mphamvu yapamwamba-yoyatsa{5}} imatha kuwotcha koyilo mosavuta, koma ndiyosavuta kuyiwongolera komanso imakhala ndi mapulogalamu osiyanasiyana. Itha kugwira ntchito nthawi zambiri pansi pa vacuum, kupanikizika koyipa komanso kupanikizika kwa ziro, koma kuchuluka kwa ndimeyi nthawi zambiri sikudutsa 50mm.
Woyendetsa-vavu ya solenoid yoyendetsedwa
Ma valve oyendetsa-ogwiritsidwa ntchito ndi solenoid nthawi zambiri amagwiritsidwa ntchito m'magawo akuluakulu-ndi m'mimba mwake-pampando waukulu. Pamene valavu yamtunduwu imatsegulidwa, kupanikizika kochepa kwa valve solenoid sikuyenera kukhala kotsika kuposa 0.03MPa. Payenera kukhala kuthamanga kwa woyendetsa; ngati sichingatsegulidwe. Kuphatikiza apo, mphamvu ya mavavu oyendetsa{7}}yoyendetsedwa ndi solenoid ndi yayikulu kuposa ma valve olunjika{8}}ogwira ntchito, ndipo nthawi zambiri, ma CV amatha kufika pamwamba pa 3. Kufunika koyeretsedwa kwa mpweya wopanikizidwa ndi wokwera kwambiri, koma{10}}amene akuchita molunjika, siwovuta kwambiri.
Mawonekedwe: Mutu wawung'ono wamagetsi, kugwiritsa ntchito mphamvu zochepa, 0.1-0.2w, kumatha kuyatsidwa pafupipafupi komanso kwanthawi yayitali osayaka, komanso kupulumutsa mphamvu. Malire apamwamba amtundu wa kuthamanga kwamadzimadzi ndi okwera kwambiri, ndipo amatha kukhazikitsidwa mosasamala (mwamakonda amafunikira), koma amayenera kukumana ndi kusiyana kwa kuthamanga kwamadzi. Komabe, zonyansa zamadzimadzi zimatha kutseka mabowo a valve oyendetsa ndipo sizoyenera kugwiritsa ntchito madzi.
Tengani valavu ya solenoid yotsekedwa monga chitsanzo. Ntchitoyi ndi:
(1) Pamene valavu ya solenoid ipatsidwa mphamvu, ikuwonetsedwa mu chithunzi chotsatirachi.
Mphamvu yamagetsi yopangidwa ndi coil ikapatsidwa mphamvu imapangitsa kuti valavu yoyendetsa ndege itseguke, ndipo sing'angayo imathamangira kumalo otulukira. Kupanikizika m'chipinda chapamwamba cha valavu yaikulu kumatsika mofulumira, kupanga kusiyana kwapakati pazipinda zapamwamba ndi zapansi za valavu yaikulu kuti agonjetse mphamvu ya masika ndikukwera mmwamba moyenerera. Vavu yayikulu imatsegulidwa, sing'anga imayenda, valavu ya solenoid imatsegulidwa.
(2) Pamene valavu ya solenoid itaya mphamvu, izo zikuwonetsedwa mu chithunzi chotsatirachi.
Pamene valavu ya solenoid yatha-mphamvu, mphamvu ya maginito yamagetsi imazimiririka. Pansi pa mphamvu ya masika, chitsulo chosuntha chimabwerera kumalo ake oyambirira, kutseka valve yoyendetsa ndege. Sing'anga imayenda kudzera mu dzenje lolozera. Kupanikizika mu chipinda chapamwamba cha chigawo chachikulu cha valve kumawonjezeka ndipo kumapita pansi pansi pa mphamvu ya masika, kutseka valavu yaikulu. Sing'anga imatuluka ndipo valavu ya solenoid imatsekedwa.
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