Lub tshuab hluav taws xob hloov hluav taws xob rau hauv lub zog siv tshuab. Nws muaj ib tug stator (los yog armature) thiab rotor. Cov cuab yeej zoo li no tau dhau los ua thoob plaws hauv txhua qhov ntawm lub neej. Ua tsaug rau cov tshuab hluav taws xob, nws muaj peev xwm hloov tib neeg kev ua haujlwm nrog lub tshuab ua haujlwm hauv ntau qhov chaw. Wb saib ntau hom motors thiab nrhiav seb qhov twg siv hluav taws xob motors (saib cov piv txwv hauv qab no).
Txoj Cai Ua Haujlwm
Lub tshuab hluav taws xob yog qhov yooj yim heev. Nws yog raws li lub hauv paus ntsiab lus ntawm electromagnetic induction. Lub installation muaj xws li ib tug taag ib feem - ib tug stator mounted nyob rau hauv AC motors ntawm synchronous thiab asynchronous hom los yog ib tug inductor (rau DC lub cev muaj zog), nrog rau ib tug rotor, uas yog, ib tug txav ib feem rau synchronous thiab asynchronous hom, los yog ib tug armature rau. DC cov khoom siv.
Rotors tuaj yeem ua luv luv (squirrel tawb hom) thiab theem qhov txhab(system of contact rings). Cov rooj plaub uas siv lub tshuab tom kawg yog hom asynchronous rau kev txo qis tam sim no thiab tswj ceev.
Qhov txav ntawm lub DC ntaus ntawv lossis ua haujlwm raws li txoj cai no hauv lub cev muaj zog thoob ntiaj teb hu ua armature. Lub cev muaj zog universal yog DC lub cev muaj zog uas muaj kev ua kom muaj zog, uas yog, armature thiab winding txuas nrog hauv series. Tsis muaj qhov cuam tshuam ncaj qha tam sim no. Yog li ntawd, yog tias koj tshem tawm lub tshuab hluav taws xob los ntawm kev sib tsoo, ces nws yuav ua haujlwm ntxiv, tshwj xeeb tshaj yog tias qhov hluav taws xob hluav taws xob qis thiab qhov siv tam sim no tsis tu ncua.
AC motors
Cov khoom siv txiav txim siab yog AC thiab DC. Hauv txhua qhov chaw uas siv lub tshuab hluav taws xob, nws feem ntau muaj qhov hloov pauv tam sim no. Lub cev muaj zog no muaj lub hauv paus ntsiab lus yooj yim ntawm kev ua haujlwm thiab yooj yim rau kev khiav lag luam. Qhov tsuas yog qhov tsis zoo yog qhov ceev tsis tau tswj.
AC motors tuaj yeem ua ib theem lossis ntau theem. Cov cuab yeej siv AC lub cev muaj zog yog cov tshuab uas tsis tas yuav kho qhov nrawm. Lawv tuaj yeem muaj lub hom phiaj sib txawv (crushers, twj tso kua mis, tshuab ua haujlwm ntoo, thiab lwm yam). Lawv lub zog ntawm ob feem kaum mus rau ob puas thiab ntau kilowatts.
DC motors
DC lub cev muaj zog tuaj yeem muaj, nrog rau kev sib tw, sib npaug thiabkev sib txuas ntawm stator thiab armature windings. Lawv qhov zoo dua yog tias hom yav dhau los tsis muaj: nws yog lub peev xwm los tswj cov kev sib hloov ceev. Txawm li cas los xij, kev ua haujlwm yuav tsum siv lub zog.
Cov motors no tsis muaj txhuam thiab cov khoom siv.
Brushless lossis valve motors yog lub cev muaj zog ua haujlwm hauv lub kaw lus kaw nrog lub sensor uas txiav txim siab txoj haujlwm tig thiab tswj qhov system.
Cov khoom siv hluav taws xob tuaj yeem ua rau nws tus kheej zoo siab (thaum ua ke, series thiab sib xyaw) thiab kev ywj pheej excitation.
Cov khoom siv uas siv DC lub cev muaj zog, piv txwv li, lub tsheb hluav taws xob thiab ntau lub tshuab tsim kho.
Asynchronous saib
Qhov feem ntau siv peb-theem squirrel-cage induction motor. Nyob rau hauv cov ntaub ntawv no, ib ncig magnetic teb nkag mus rau lub luv luv-circuited rotor winding, uas ua rau ib tug induction tam sim no. Nws yog hu ua asynchronous vim hais tias kev sib hloov ntawm lub rotor tsis sib npaug ntawm kev sib hloov ntawm cov hlau nplaum stator.
Kev siv lub tshuab hluav taws xob asynchronous yog muaj nyob rau hauv ntau ceg ntawm kev siv tshuab, hauv cov khoom siv hauv tsev (cov tub yees, tshuab ntxhua khaub ncaws, cua txias), hauv kev lag luam, xws li ntoo thiab hlau ua haujlwm, nrog rau kev xaws. Lawv ruaj khov dua li lwm hom, raug nqi tsawg thiab yooj yim rau kev khiav lag luam.
Synchronous Saib
Lub tshuab synchronous muaj qhov zoo tshaj plaws rotarykev tsim kho, qhov chaw no yog sawv cev los ntawm hluav taws xob lossis hlau nplaum ruaj khov. Qhov zaus ntawm kev sib hloov nyob rau hauv rooj plaub no ntawm cov magnetic stator coincides nrog lub rotor zaus.
hom hluav taws xob zoo li no tuaj yeem siv rau hauv cov chaw nres tsheb, thaum xav tau kev them nyiaj rov qab, nrog rau qee qhov xwm txheej.
Tseem ntawm qhov tshwm sim torque
Raws li cas lub zog tshwm sim, lub tshuab hluav taws xob tau muab faib ua hysteresis thiab magnetoelectric.
Feem ntau hauv kev lag luam ib txwm yog kev siv lub tshuab hluav taws xob ntawm hom magnetoelectric. Lawv tuaj yeem yog ob qho tib si ncaj qha thiab hloov pauv tam sim no. Tseem muaj universal motors.
Tab sis kev lag luam uas hysteresis hluav taws xob motors siv tsis tuaj yeem hu ua ntau. Feem ntau, cov khoom siv no tsis yog ib txwm siv thiab tsis tshua siv hauv kev lag luam. Lawv feem ntau yog siv hauv gyroscopy, lub sijhawm ntsuas, nrog rau hauv cov khoom siv rau kev kaw suab thiab cov duab.
Universal brushed motors
universal collector type electric motors siv qhov twg? Yog tsis muaj lawv, kev lag luam thiab cov khoom siv hauv tsev tsis ua haujlwm, piv txwv li, kiv cua, juicers, nqaij grinders, nqus tsev vacuum, tub yees, thiab lwm yam. Lawv ua haujlwm ntawm 110 thiab 220 volt DC thiab 127 thiab 220 volt AC.
Cov cuab yeej ntawm cov motors zoo ib yam li bipolar DC motors, muajsequential excitation.
Ntawm no, tsis yog tsuas yog ib lub thauj tog rau nkoj los ntawm cov ntawv-hom hluav taws xob hlau yog ntaus, tab sis kuj yog tus ncej thiab tus quab, uas yog, ib feem ntawm cov hlau nplaum ruaj khov.
Lub excitation winding tuaj yeem txuas ob sab ntawm ib sab thiab rau sab nraud ntawm armature. Qhov no txo cov xov tooj cua cuam tshuam los ntawm lub cev muaj zog. Tib qhov ceev rau ob qho tib si ncaj qha thiab hloov tam sim no yog ua tiav los ntawm kev ua kom muaj kev zoo siab winding nrog cov kais dej. Qhov txawv tsuas yog tias nrog lub network ncaj qha tam sim no nws tau siv tag nrho, thiab nrog rau qhov hloov pauv tam sim no tsuas yog siv qee qhov xwb.
Torque yog tau los ntawm kev sib cuam tshuam ntawm tam sim no nrog lub excitation magnetic flux.
Cov motors no muaj lub zog ntawm tsib mus rau rau puas watts (tab sis qee zaum, piv txwv li, hauv cov cuab yeej hluav taws xob, lawv ncav cuag yim puas watts), nrog rau kev nrawm ntawm ob txhiab xya puas thiab xya caum txog yim. txhiab revolutions ib feeb. Txij li thaum pib tam sim no me me ntawm no, pib qhov kev tawm tsam tsis xav tau. Qhov tsawg kawg nkaus tus pins ntawm universal collectors yog plaub. Ntawm cov no, ob qho kev pabcuam txuas rau DC network, thiab lwm qhov - rau AC. Tsis tas li ntawd, nyob rau hauv rooj plaub tom kawg, kev ua haujlwm ntawm lub cav yuav qis dua vim muaj hluav taws xob loj thiab sib nqus poob. Kev hloov tam sim no yuav raug siv ntau dua li qhov tam sim no ncaj qha, vim nws tsis yog tsuas yog cov khoom siv ua haujlwm xwb, tab sis kuj yog ib qho reactive.
Qhov nrawm tuaj yeem hloov kho, piv txwv li, los ntawm kev hloov pauv tsis siv neeg lossisrheostat.
Nrhiav lub iav zoo
Nws paub meej tias muaj ntau daim ntawv thov uas siv lub tshuab hluav taws xob.
195 3730.12.40 yog tus lej piv txwv rau kev txheeb xyuas cov txheej txheem tshwj xeeb, nrog rau nws qhov ntev.
Vim qhov tseeb tias muaj ntau tus qauv ntawm cov cuab yeej no, thiab ntau qhov ntau thiab tsawg thiab thaj chaw ntawm kev siv, nws tuaj yeem nyuaj heev los nrhiav qhov koj xav tau. Qhov kev faib tawm no ua kom yooj yim rau cov txheej txheem ntawm kev nrhiav lub tshuab hluav taws xob tsim nyog.
