VOLVO excavator zida zosinthira 14550884 EC210 12V 24V 28V 110V 220V solenoid vavu koyilo

The solenoid vavu koyilo kutalika 61mm mkati mwake 21mm
Chimodzi: valavu ya solenoid coil zolephera zinayi zomwe wamba ndi zothetsera
1, valavu ya solenoid yatenthedwa, imatha kuchotsa mawaya a solenoid valve, ndi muyeso wa multimeter, ngati wotseguka, valavu ya solenoid yapsa.Chifukwa chake ndi chakuti koyiloyo imakhala yonyowa, yomwe imayambitsa kutsekeka koyipa komanso kutayikira kwa maginito, zomwe zimapangitsa kuti pakhale kuchuluka kwamagetsi mu koyilo ndikuwotchedwa, kuti mvula ilowe mu valavu ya solenoid.Kuphatikiza apo, kasupe ndi wamphamvu kwambiri, mphamvu yochitira ndi yayikulu kwambiri, koyilo imatembenuka pang'ono, kuyamwa sikokwanira kumapangitsanso koyilo kuwotchedwa.Pakachitika mwadzidzidzi, batani lamanja pa koyilo limatha kukanidwa kuchokera pa "0" kupita ku "1" kuti valavu itseguke.
2, Kutaya kwa mpweya.Kuthamanga kwa mpweya kumayambitsa kusakwanira kwa mpweya, zomwe zimapangitsa kuti zikhale zovuta kutsegula ndi kutseka valve yokakamiza.Chifukwa chake ndikuti gasket yosindikiza yawonongeka kapena valavu ya spool yavala ndipo ma cavities angapo akuyenda.Pochita ndi kulephera kwa valve ya solenoid ya makina osinthira, nthawi yoyenera iyenera kusankhidwa kuti igwirizane ndi valve solenoid ikatha mphamvu.Ngati sichikhoza kuyendetsedwa mkati mwa kusiyana kosinthira, makina osinthira amatha kuyimitsidwa ndikugwiridwa modekha.
3, Valavu ya solenoid yakhazikika.Solenoid valve slide valve sleeve ndi spool yokhala ndi chilolezo chaching'ono (chosakwana 0.008mm), nthawi zambiri imakhala msonkhano umodzi, mukakhala ndi zonyansa zamakina kapena mafuta ochepa kwambiri, zimakhala zosavuta kukakamira.Njira yochizira ikhoza kukhala waya wachitsulo kuchokera pabowo lamutu lomwe layikidwa, kuti libwerere.Njira yothetsera vutoli ndikuchotsa valavu ya solenoid, kuchotsa manja a spool ndi spool, kuyeretsa ndi CC14, kuti spool ikhale yosinthika mu manja a valve.Pamene disassembling, chidwi ayenera kuperekedwa pa msonkhano zinayendera ndi kunja mawaya malo a chigawo chilichonse, kuti agwirizane ndi waya molondola.M'pofunikanso kuyang'ana ngati dzenje lopopera la nkhungu yamafuta latsekedwa komanso ngati mafuta odzola ndi okwanira.
4, Chojambulira cha valve cha solenoid ndi chotayirira kapena waya amagwa, valavu ya solenoid sikhala yamagetsi, ndipo waya akhoza kumangirizidwa.
Chachiwiri: Mfundo yogwiritsira ntchito mafotokozedwe oyambira a valve solenoid valve imaphatikizapo koyilo, maginito, ndodo ya ejector.Mphamvu yamagetsi ikagwiritsidwa ntchito pa koyilo, maginito amapangidwa, omwe amakopa maginito, ndipo maginito amakoka ndodo ya ejector.Zimitsani mphamvu, maginito ndi ejector rod reset, kotero kuti valavu solenoid anamaliza ntchito.Umu ndi momwe valavu ya solenoid imagwirira ntchito.Ma valve solenoid nthawi zambiri amagwiritsidwa ntchito m'makina a hydraulic kuti atseke ndikutsegula mayendedwe amafuta.Ndipotu, malingana ndi kutentha ndi kupanikizika kwa sing'anga yothamanga, mwachitsanzo, payipi imakhala ndi mphamvu ndipo dziko lamakono lilibe mphamvu.Valve ya solenoid imagwira ntchito mosiyana.Mwachitsanzo, mu chikhalidwe artesian kufunika ziro kuthamanga kuyamba, ndi mphamvu, koyilo lonse kwa chipata thupi kuyamwa.Ndipo kupanikizika kwa valavu ya solenoid, koyiloyo imakhala ndi mphamvu pambuyo poyamwa pini yomwe imayikidwa pachipata, ndi mphamvu yamadzimadzi kuti ikweze chipata.Kusiyanitsa pakati pa njira ziwiri ndi kuti valavu solenoid wa boma otaya, chifukwa koyilo kuyamwa mmwamba chipata thupi lonse, kotero voliyumu ndi lalikulu ndi valavu solenoid wa kupanikizika boma, amangofunika kuyamwa pini, kotero. voliyumu ikhoza kukhala yaying'ono.
Chachitatu: (1) kutayikira kwakunja kwatsekedwa, kutulutsa kwamkati ndikosavuta kuwongolera, ndipo kugwiritsa ntchito ndikotetezeka.Kutuluka mkati ndi kunja ndikoopsa kwa chitetezo.Ma valve ena odzichitira okha nthawi zambiri amakulitsa tsinde, ndi magetsi, pneumatic, hydraulic actuator control spool rotation kapena kuyenda.Ndikofunikira kuthetsa vuto lotayikira kunja kwa nthawi yayitali yosindikizira valavu;Valavu ya solenoid yokha ndiyo mphamvu yamagetsi yomwe imagwira pachitsulo chachitsulo chosindikizidwa mu chubu cha manja a maginito, palibe chisindikizo champhamvu, kotero kuti kutayikirako ndikosavuta kutsekereza.Kuwongolera kwa torque yamagetsi sikophweka, kosavuta kutulutsa kutayikira mkati, kapena kukoka mutu wa tsinde;Mapangidwe a valve solenoid amalola kuwongolera kosavuta kwa kutayikira mkati mpaka kuchepetsedwa kukhala zero.Choncho, kugwiritsa ntchito valavu ya solenoid ndi yotetezeka makamaka, makamaka yoyenera kuwononga, poizoni kapena kutentha kwambiri komanso kutentha kwapansi.
(2) kuchitapo kanthu, mphamvu yaying'ono, mawonekedwe opepuka.Nthawi yoyankha ma valve a Solenoid ikhoza kukhala yaifupi ngati ma milliseconds ochepa, ngakhale valavu yoyendetsa solenoid imatha kuyendetsedwa m'ma milliseconds ambiri.Chifukwa cha loop yake, imakhala yovuta kwambiri kuposa ma valve ena odzipangira okha.Zokonzedwa bwino za solenoid valve koyilo yamagetsi ndizochepa kwambiri, zopulumutsa mphamvu;Ithanso kuchitapo kanthu poyambitsa, kusunga ma valve, nthawi zambiri osagwiritsa ntchito mphamvu.Kukula kwa valve ya Solenoid ndi yaying'ono, yopulumutsa malo, yopepuka komanso yokongola.
(3) dongosolo ndi losavuta, ndiye kompyuta, otsika mtengo wodzichepetsa.Valve ya solenoid yokha ndiyosavuta mwadongosolo komanso yotsika mtengo.Ndiosavuta kukhazikitsa ndi kukonza poyerekeza ndi mitundu ina ya ma actuators monga ma valve owongolera.Chodabwitsa kwambiri ndi chakuti makina owongolera okha ndi osavuta komanso mtengo wake ndi wotsika kwambiri.Chifukwa valavu ya solenoid ndi chizindikiro chosinthira, ndipo kugwirizana kwa makompyuta a mafakitale ndikosavuta kwambiri.Pakutchuka kwamakompyuta masiku ano, mtengo wanthawi yotsika kwambiri, mwayi wa valve solenoid ndiwodziwikiratu.
Chachinayi: valavu ya solenoid fakitale ya solenoid valve coil yozungulira kapena yopuma:
1, valavu ya solenoid fakitale ya solenoid valve coil yozungulira kapena yopuma: njira yodziwira: choyamba gwiritsani ntchito multimeter kuti muyese, kukana kumakhala ziro kapena zopanda malire, kuti koyiloyo ikhale yochepa kapena yopuma.Ngati mtengo woyezera kukana ndi wabwinobwino (pafupifupi makumi a ohm), sizitanthauza kuti koyiloyo iyenera kukhala yabwino (ndinayesapo mtengo wa valavu ya solenoid coil kukana pafupifupi 50 ohm, koma valavu ya solenoid siyingagwire ntchito, zonse ndizabwinobwino pambuyo pake. m'malo mwa koyiloyo), chonde yesani mayeso omaliza awa: Tengani screwdriver yaing'ono ndikuyiyika pafupi ndi ndodo yachitsulo mu koyilo ya solenoid.Kenako limbitsani valavu ya solenoid.Ngati ikumva maginito, ndiye kuti koyilo ya solenoid ndi yabwino, apo ayi ndi yoyipa.Yankho: Bwezerani valavu ya solenoid.
2, vuto la pulagi / socket: solenoid vavu fakitale solenoid vavu cholakwa chodabwitsa: ngati valavu solenoid ndi mtundu wa pulagi / zitsulo, pakhoza kukhala zitsulo zitsulo socket mavuto, pulagi mawaya mavuto (monga chingwe champhamvu cholumikizidwa ndi waya pansi) ndi zifukwa zina sizingatumizidwe ku mphamvu ya koyilo.Ndi bwino kukhala ndi chizolowezi chomasula zomangira zotsekera pulagi ikakhala pasoketi, ndi kumasula mtedza wosunga pambuyo pa ndodo ya spool pa koyilo.Ngati pulagi ya solenoid valve coil ili ndi chizindikiro cha mphamvu ya LED, ndiye kuti kugwiritsa ntchito mphamvu ya DC kuyendetsa valve solenoid kudzalumikizidwa ku mzere wolondola, mwinamwake chizindikirocho sichidzakhala chowala.Kuphatikiza apo, musasinthitse mapulagi amagetsi okhala ndi ma led amitundu yosiyanasiyana yamagetsi.Izi zipangitsa kuti ma LED awotchedwe / magetsi (m'malo ndi pulagi yocheperako yamagetsi) kuti azifupikitsa kapena ma LED atulutse kuwala kofooka kwambiri (m'malo mwake ndi pulagi yokwera kwambiri).Ngati palibe kuwala kwamagetsi, koyilo ya valve ya solenoid simasiyanitsidwa ndi polarity (mosiyana ndi transistor time relay yomwe voteji yake ndi DC ndi koyilo yokhala ndi diode/resistance leakge circuit yofanana ndi DC intermediate relay, iyenera kusiyanitsa polarity).Njira yothandizira opanga ma valve a solenoid: zolakwika zowongolera, kukonza kapena kusintha mapulagi ndi zitsulo.
3, vuto la valve spool: cholakwika chodabwitsa 1: ngati valavu ya solenoid kupyolera mu mphamvu yapakati ndi yachilendo, kanikizani batani lofiira la solenoid valve, valavu ya solenoid ilibe chilichonse (kukakamiza sing'anga palibe kusintha kosintha) , kusonyeza kuti valve spool iyenera kukhala yoipa.Njira yothandizira: Onani ngati pali zovuta mkatikati, monga ngati pali madzi ambiri mumpweya woponderezedwa (nthawi zina ntchito ya cholekanitsa madzi ndi mafuta siikulu kwambiri, makamaka pamene mapangidwe a mapaipi ndi osauka, oponderezedwa. mpweya kudzera mu valavu ya solenoid udzakhala ndi madzi ambiri), kaya pali zonyansa zambiri mumadzimadzi.Kenako chotsani madzi kapena zonyansa mu valavu ya solenoid ndi payipi.Ngati sichoncho, chonde konzani (ngati muli ndi nthawi, kuleza mtima ndi kofunikira ) kapena sinthani spool, kapena ingosinthani valve yonse ya solenoid.Cholakwika chodabwitsa 2: Pambuyo poyang'anitsitsa, koyiloyo ndi koyilo yoyambirira ndipo koyiloyo imakhala ndi mphamvu pamene mphamvu ya maginito yachibadwa, koma valve ya solenoid sikugwirabe ntchito (ndiye kuti batani la solenoid valve manual likhoza kukhala lachilendo), kusonyeza kuti pakati pa valve ndi zoipa.
Chachisanu: valavu ya solenoid ikudutsa pakalipano idzatentha, kutentha kumakwera pang'onopang'ono.Pambuyo pa nthawi yochuluka, kutentha ndi kutentha kutayika muyeso, kutentha kudzafika pamtengo wokhazikika.Kusiyana kwa kutentha kumeneku ndi kutentha komwe kumakhalapo kumatchedwa kukwera kwa kutentha.Solenoid vavu koyilo kutentha kukwera ndi chodabwitsa chodabwitsa.Kukwera kwakukulu kovomerezeka kwa kutentha kumatsimikiziridwa ndi mtundu wa koyilo yotchinjiriza, kuyamikiridwa kwa koyilo yamagetsi kuyenera kukhala kovomerezeka kwa kutentha, kukwera kwamagetsi kwamagetsi amagetsi achilengedwe ndi mtundu wa kutchinjiriza wamtundu wa kutentha wololeka komanso kutentha kwa solenoid valve koyilo kudziwa, liwiro la mtundu wa chilengedwe chonse cha solenoid. valavu coil ntchito B mitundu kutchinjiriza, ngati kutentha yozungulira si apamwamba kuposa madigiri 60, ma elekitiroma koyilo koyilo kutentha kukwera si kupitirira madigiri 70.(Mtundu wa kutchinjiriza wa kalasi B: kutentha kovomerezeka kwapamwamba kwa madigiri 90, kutentha kovomerezeka kwa madigiri 130).Gwiritsani ntchito mita kuti muyese kukana kwa valve ya solenoid, kukana kwa koyilo kuyenera kukhala pafupifupi 100 ohms!Ngati kukana kwa koyiloyo kuli kopanda malire komwe kwasweka, mutha kupatsanso mphamvu ya valavu ya solenoid yokhala ndi zinthu zachitsulo pa valavu ya solenoid, chifukwa valavu ya solenoid yokhala ndi maginito imatha kuyamwa zinthu zachitsulo pambuyo poti valavu ya solenoid ipatsidwa mphamvu.Ngati mutha kuyamwa zinthu zachitsulo zomwe koyiloyo ndi yabwino, apo ayi koyiloyo imasweka.Solenoid valve coil short circuit kapena njira yodziwira yopuma ndikugwiritsa ntchito multimeter kuyeza ndi kuyatsa, kukana kumakhala ziro kapena infinity, kozungulira kozungulira kapena kusweka.Ngati muyeso wa mtengo kukana ndi wabwinobwino, sangasonyeze kuti koyilo ayenera kukhala wabwino, ayeneranso kupeza screwdriver yaing'ono kuvala mu solenoid valavu koyilo pafupi zitsulo ndodo, ndiyeno valavu solenoid mphamvu, ngati mukumva maginito. , ndiye valavu ya solenoid ndi yabwino, mwinamwake ndi yoipa.
Zisanu ndi chimodzi: Zopangira valavu ya solenoid zikugwira ntchito, zitha kupezeka kuti pali kutentha kwa valavu ya solenoid, yomwe nthawi zambiri imayamba chifukwa cha kutentha kwa valavu ya solenoid kwa nthawi yayitali yogwira ntchito.Koma malinga ngati mankhwalawa ali mkati mwa kutentha koyenera, kutentha kwa solenoid valve coil sikungakhudze ntchito yachibadwa ya valve solenoid.Komabe, ngati kutentha kwa ntchito kuli kwakukulu kwambiri, kumakhudza kugwira ntchito kwa valve solenoid komanso kuwononga ziwalo za valve solenoid.Zifukwa zotenthetsera valavu ya solenoid ndi njira zothandizira ndi izi:
1, fufuzani kaye ngati kutentha kwa valavu ya solenoid kuli mu malonda kuti agwirizane ndi kutentha, izi zikhoza kutanthauza buku la mankhwala a solenoid valve, kawirikawiri pali malangizo enieni pa ntchito ya solenoid valve ndi kutentha kwa chilengedwe.Ngati sichoncho, funsani wopanga molingana ndi chitsanzo.Kawirikawiri kutentha pang'ono kwa valve ya solenoid ndi yachilendo cha ntchito ya mankhwala, malinga ngati sikudutsa kutentha kwina kuli bwino, wogwiritsa ntchitoyo akhoza kukhala otsimikiza.
2, chifukwa cha kusankhidwa kosayenera kwa wogwiritsa ntchito, mankhwala a valve solenoid nthawi zambiri amatseguka ndipo nthawi zambiri amatsekedwa mitundu iwiri, ngati wogwiritsa ntchito valve yotsekedwa, ndipo ntchito yeniyeniyo imakhala yotseguka, n'zosavuta kuyambitsa valavu ya solenoid. coil kutenthedwa chodabwitsa.Ndipo ngati ndichifukwa chake, zitha kungolowetsa zida zatsopano za valve solenoid, kotero kusankha kwachitsanzo kwa wogwiritsa ntchito ndikofunikira kwambiri.
3, ngati valavu ya solenoid yoyika mphamvu yopulumutsa mphamvu (udindo wa gawo lopulumutsa mphamvu ndikupulumutsa mphamvu ndi solenoid valve coil kuzirala), komanso kulephera kwa gawo lopulumutsa mphamvu, kudzachititsanso kutentha kwa koyilo. .
4. Ntchito yowonjezereka, ndiko kuti, malo enieni ogwira ntchito a valve solenoid, amaposa malo ogwirira ntchito a mapangidwe a mankhwala a valve solenoid.Mwachitsanzo, kutentha kozungulira ndi kutentha kwapakati ndizokwera kwambiri, kapena kupanikizika ndipamwamba kwambiri komanso mphamvu zamagetsi ndi mavuto ena.
5, valavu ya solenoid imadziphimba yokha ndi zovuta zamtundu, chifukwa chake ndizokayikitsa, chifukwa wopanga sangakhudze mbiri yawo yamtundu ndi zinthu zochepa.Chifukwa chake padzakhala chidwi pamtundu wa zida za valve solenoid.Solenoid valve coil Kutentha kutentha, ngati mkati mwazogulitsa ntchito, ogwiritsa ntchito sangasamale, izi sizingayambitse zomwe zimachitika pa ntchito ya solenoid valve.
Zisanu ndi ziwiri: kukana kwa valavu ya solenoid yokhala ndi multimeter, kukana kwa koyilo kuyenera kukhala pafupifupi 100 ohm, ngati kukana kwa koyilo kuli kopanda malire komwe kwasweka, mutha kuperekanso koyilo ya solenoid pamagetsi ndi zinthu zachitsulo. valavu ya solenoid, chifukwa valavu ya solenoid yokhala ndi maginito imatha kuyamwa zinthu zachitsulo pambuyo poti valavu ya solenoid ipatsidwa mphamvu.Ngati mutha kuyamwa zinthu zachitsulo zomwe koyiloyo ndi yabwino, zikutanthauza kuti koyiloyo yasweka.Solenoid valve coil short circuit kapena njira yodziwira yopuma ndikugwiritsa ntchito multimeter kuyeza ndi kuyatsa, kukana kumakhala ziro kapena infinity, kozungulira kozungulira kapena kusweka.Ngati muyeso wa mtengo kukana ndi wabwinobwino, sangasonyeze kuti koyilo ayenera kukhala wabwino, ayeneranso kupeza screwdriver yaing'ono kuvala mu solenoid valavu koyilo pafupi zitsulo ndodo, ndiyeno valavu solenoid mphamvu, ngati mukumva maginito. , ndiye valavu ya solenoid ndi yabwino, mwinamwake ndi yoipa.