Valve los ua ke: ua hauj lwm hauv paus ntsiab lus thiab Circuit Court

Nyob rau hauv thiaj li yuav tau raws li txoj kev sib tw ntawm cov niaj hnub precision tswj systems yog nce siv valve engine. Nws yog tsiag ntawv los ntawm zoo kom zoo dua ntawm xws li, raws li zoo raws li lub active tsim ntawm microelectronics laij tuition. Raws li yog lub npe hu, lawv muaj peev xwm muab ib tug kev kub ceev cov ntsiab lus nyob rau hauv ib ncua thiab lub zog efficiency piv nrog rau lwm hom ntawm xyaw.

Tsav engine valve

Lub cav muaj cov nram qab no Cheebtsam:

1. Tus rov qab ntawm lub cev.
2. stator.
3. Cov kabmob.
4. Cov magnetic disk (rotor).
5. Cov kabmob.
6. Cov stator nrog windings.
7. Lub pem hauv ntej tsev nyob feem.

Nyob rau hauv lub valve ntawm lub cav muaj ib tug correlation ntawm cov multi-theem stator winding thiab rotor. Lawv tuaj mus tas li hlau nplaum thiab kev txoj hauj lwm sensor. Switching lub ntaus ntawv yog pom tau hais los ntawm txoj kev lub converter, yog li ntawd nws tau txais lub npe.

Tsav engine valve muaj li ntawm cov nram qab hau thiab lub Circuit Court board sensors, cov kabmob tes tsho ntawm tus ncej thiab cov kabmob rotor hlau nplaum insulating nplhaib, kauj, caij nplooj ntoos hlav trelchatoy intermediate tes tsho Hall sensor, rwb thaiv tsev, housings thiab conductors.

Nyob rau hauv cov ntaub ntawv ntawm lub tebchaw windings "lub hnub qub" ntaus ntawv muaj loj tas mus li lub sij hawm, yog li no los ua ke yog siv rau kev tswj cov axes. Nyob rau hauv cov ntaub ntawv ntawm tsevneeg windings "daim duab peb sab" yuav siv tau los ua hauj lwm thaum muaj kev kub ceev. Nyob rau hauv feem ntau tus neeg mob, tus xov tooj ntawm tus ncej officers yog xam tus naj npawb ntawm rotor hlau nplaum uas pab txiav txim seb tus piv ntawm cov hluav taws xob thiab cov neeg kho tshuab revolutions.

Lub stator yuav manufactured nrog hlau-dawb los yog hlau tub ntxhais. Siv xws Siv mus rau tus thawj embodiment, nws yog ua tau los xyuas kom meej qhov uas tsis muaj lub attraction ntawm lub rotor hlau nplaum, tab sis nyob rau hauv no tseem muaj, txo los ntawm 20% lub cev muaj zog efficiency vim hais tias ntawm txo qhov torque nqi.

Nrog ib tug tswvyim yuav pom tias lub stator tam sim no yog generated nyob rau hauv lub windings thiab nyob rau hauv lub rotor yog tsim siv high-zog tas mus li hlau nplaum.
lus dab neeg:
- VT1-VT7 - transistor qub;
- A, B, C - theem windings;
- M - lub cev muaj zog torque;
- DR - lub rotor txoj hauj lwm sensor;
- U - tswj lub cev muaj zog fais fab mov voltage;
- S (sab qab teb), N (sab qaum teb) - kev taw qhia ntawm cov hlau nplaum;
- UZ - zaus converter;
- BR - ceev sensor;
- VD - Zener diode;
- L - inductance kauj.

Cav Tsav qhia tau hais tias ib tug ntawm cov loj zoo ntawm lub rotor, nyob rau hauv uas ruaj khov hlau nplaum yog ntsia, yog txo nws txoj kab uas hla thiab, raws li ib tug tsim nyog tau, yuav txo tau ntawm lub sij hawm ntawm inertia. Xws li yuav ua tau rau hauv lub ntaus ntawv nws tus kheej, los yog nyob rau nws saum npoo. Tej ntawm lub ntsuas no yog qhov ntau heev ua rau yus me me qhov tseem ceeb uas tshuav nyiaj li lub caij ntawm inertia ntawm lub cev muaj zog thiab nws load txo mus rau ib tug ncej, uas complicates lub lag luam ntawm tus tsav. Vim li no, manufacturers yuav muab tus qauv thiab muaj zog 2-4 lub sij hawm lub sij hawm ntawm inertia.

Yuav ua li cas nws ua hauj lwm

Niaj hnub no yog ua heev nrov valve engine, cov hauv paus ntsiab lus ntawm uas yog raws li nyob rau hauv lub fact tias lub ntaus ntawv xws li pib hloov lub stator windings. Vim li no cov magnetic teb vector yog yeej ib txwm txav los ntawm lub kaum sab xis nce 900 (-900) txheeb ze mus rau lub rotor. Lub xws yog tsim los rau tam sim no tswj uas tsiv los ntawm lub cev muaj zog windings, xws li qhov ntau ntawm cov magnetic teb ntawm lub stator. Yog li ntawd, nws yog ua tau yuav tau kho cov sij hawm, uas muaj feem xyuam rau tus ntaus ntawv. Qhov taw qhia lub ntawm lub vectors yuav txiav txim txoj kev sib hloov cov kev taw qhia uas ua rau nws.

Nco ntsoov hais tias peb yuav sib tham txog hluav taws xob degrees (lawv yog me npaum li cas geometric). Piv txwv li, peb xam cov valve ntawm lub cav mus rau lub rotor, uas nyob rau hauv nws tus kheej muaj 3 ncej officers. Ces tus pom lub nws yuav 900/3 = 300. Cov officers 6 muab theem commutation ntawm lub windings, ces, nws yog hais tias lub stator yuav tsiv mus nyob vector hopping 600. Los ntawm no nws yuav pom hais tias qhov no lub ntawm lub vectors yuav tas sib txawv los ntawm 600 mus 1200, txij thaum lub rotor kev sib hloov.

Valve lub cev muaj zog, lub hauv paus ntsiab lus ntawm uas yog raws li nyob rau hauv lub rov qab theem switching, vim hais tias cov neeg uas lub excitation flux yog khaws cia kuj zog qhov ntawm lub armature, tom qab lawv sib tham pib los ua kom muaj yam lub sij hawm ntawd. Nws nyhav tig lub rotor nyob rau hauv xws li ib tug txoj kev uas tag nrho cov threads thiab lub armature coincide ua ke. Tab sis, thaum nws yog tig lub sensor pib hloov lub kauj thiab cov khiav tsiv mus rau kauj ruam tom ntej. Thaum no tus taw tes, lub resultant vector yuav ceev, tab sis nyob twj ywm kiag li tsis txawj kuj mus rau lub rotor flux, uas thaum kawg tsim ib tug torque ncej.

zoo

Thov lub cav valve nyob rau hauv lub lag luam, nws yuav tsum tau muab sau xws zoo:

- tseem siv ib tug ntau ntawm cov ceev rau cov kev hloov kho;

- High puab thiab ceev;

- tshaj plaws tso rau cov neeg;

- me nqi;

- tus ntaus ntawv yuav tsum tau ntaus nqi rau tus tawg-pov thawj chaw;

- nws muaj lub peev xwm los hloov loj tshaj torque;

- high efficiency uas yog ntau tshaj li 90%;

- yog tsiv hluav taws xob hu, uas ho tsub kom cov kev pab cuam lub neej thiab durability;

- nyob rau hauv lub lag luam nruam yog tsis muaj overheating ntawm cov lub cev muaj zog.

shortcomings

Dua li ntawm qhov loj loj tus naj npawb ntawm zoo, valve engine kuj muaj disadvantages nyob rau hauv lub lag luam:
- ib tug es complex lub cev muaj zog tswj;
- siab kuj nqi ntawm lub apparatus vim nws siv nyob rau hauv lub tsim ntawm cov rotor, uas muaj tas mus li hlau nplaum yeej kim heev.

Valve inductor lub cev muaj zog

Hloov-inductor lub cev muaj zog - ib tug ntaus ntawv uas muab ib tug cheb magnetic kuj. Lub zog hloov dua siab tshiab nyob rau ntawd tshwm sim vim cov kev hloov nyob rau hauv lub inductance ntawm lub windings, uas muaj nyob rau ntawm lub stator hniav express iav thaum tsiv sib nqus rotor. Pub ntaus ntawv tau txais hluav taws xob converter, qho switching lub cev muaj zog windings nyob rau hauv heev ntawm lub zog ntawm lub rotor.

Switched inductor-lub cev muaj zog ua yog ib tug complex system nyob rau hauv uas lub ntau yam hauj lwm ua ke los ntawm lawv cov lub cev xwm. Rau muaj kev vam meej tsim ntawm xws li yuav tsum nyob rau hauv-tob paub nyob rau hauv lub tsim ntawm cov cav tov thiab mechanics raws li electronics, electromechanical thiab microprocessor technology.

Niaj hnub nimno ntaus ntawv ua raws li ib tug lub cev muaj zog, kev khiav hauj lwm nyob rau hauv nrog hluav taws xob converter, uas yog ua los ntawm cov kev technology siv ib tug microprocessor. Nws tso cai rau koj mus siv ib tug zoo tswj cav nrog qhov zoo tshaj plaws hwj chim ua.

engine zog

Xws li muaj lub siab dynamic, siab overload muaj peev xwm ua thiab yog muab tso rau. Vim lub fact tias lawv muaj tsis muaj feem mus, lawv siv yog tau nyob rau hauv ib tug heev txhoj puab heev ib puag ncig. Tej motors kuj raug xa mus rau thiab brushless, lawv lub ntsiab kom zoo dua, piv rau cov collector, ib tug tshaj tawm uas yog nyob rau hauv lub voltage ntawm lub them point. Tsis tas li ntawd, tseem ceeb heev feature yog tus tsis muaj coj thiab kev sib txhuam ntsiab, uas hloov hu, yog li hlob qhov chaw resource siv ntaus ntawv.

DC brushless motors

Tag nrho DC brushless motors yuav tau hu ua. Lawv ua hauj lwm rau ib tug network nrog DC. Lub txhuam los ua ke yog muab rau txuas lub hluav taws xob circuits ntawm lub rotor thiab stator. Qhov no yog ib feem yog lub feem ntau yooj yim thiab es tsis yooj yim kom muaj thiab kho.

Valve DC tsav tej hauj lwm nyob rau hauv tib lub ntsiab cai raws li tag nrho cov synchronous pab kiag li lawm ntawm no hom. Nws yog ib tug raug kaw system muaj ib lub hwj chim semiconductor converter, lub rotor txoj hauj lwm sensor thiab cov coordinator.

Valve AC motors

Cov pab kiag li lawm tau txais lawv lub hwj chim ntawm lub network ntawm alternating tam sim no. Rotor ceev thiab cov thawj harmonic suab ntawm lub stator magnetic rog coincide. Qhov no subtype xyaw yuav siv thaum muaj kev kub powers. Qhov no pab pawg neeg no muaj xws li Stepper thiab dav hlau valve apparatus. Ib tug txawv feature ntawm lub stepping ntaus ntawv yog ib tug discrete angular xaav ntawm lub rotor thaum lub sij hawm nws lub lag luam. Fais fab windings yog tsim los ntawm semiconductor Cheebtsam. Control brushless lub cev muaj zog yog nqa tawm los ntawm tshwm sim los xaav ntawm lub rotor, thiab cov uas tsim nws switching hwj chim los ntawm ib tug winding mus rau lwm lub. Qhov no ntaus ntawv yuav tsum tau muab faib mus rau hauv ib, peb- los yog multi-theem, tus thawj ntawm uas tej zaum yuav comprise ib tug pib winding los yog theem-hloov Circuit Court, thiab txhais manually.

Lub hauv paus ntsiab lus ntawm cov lag luam ntawm lub synchronous lub cev muaj zog

Valve synchronous lub cev muaj zog ua hauj lwm raws li kev sis raug zoo ntawm cov sib nqus teb ntawm lub rotor thiab stator. Schematically, lub magnetic teb yuav sawv cev los ntawm txoj kev sib hloov ntawm lub tib lub zoo ntawm cov hlau nplaum uas tsiv mus nyob nrog cov kev ceev ntawm lub magnetic teb ntawm lub stator. Teb ntawm lub rotor kuj tej zaum yuav xwm raws li ib tug mus tas magnet, uas ua rau koj lem synchronously nrog lub stator teb. Nyob rau hauv lub qhaj ntawv ntawm ib tug sab nraud torque uas yog thov mus rau lub tshuab ncej axis coincide. Rau tus quab yuam ntawm attraction kis tau raws lub axis ntawm tug thiab yuav pab kom txawm peem rau txhua lwm yam. Lub kaum therebetween yog sib npaug zos rau zero.

Yog hais tias nyob rau hauv tus ncej ntawm lub tshuab yuav cuam tshuam rau braking torque, lub rotor yog tsiv nyob rau hauv cov kev taw qhia ntawm kev ncua. Vim lub txaus nyiam rog muab faib mus rau hauv cheebtsam uas yog qhia raws li cov axis ntxiv kev kawm thiab perpendicular mus rau tus ncej axis. Yog hais tias nws yog thov lwm torque, uas tsim acceleration, uas yog, pib ua raws li cov kev taw qhia kev sib hloov ntawm, daim duab nyob rau kev sis raug zoo ntawm lub teb kiag li ntxeev. Thrust angular xaav pib hloov mus rau tsis tooj, thiab nyob rau hauv no hais txog, hloov cov kev coj ntawm cov tangential quab yuam thiab tej yam electromagnetic torque. Nyob rau hauv no scenario, lub cev muaj zog ua ib tug nres thiab lub tshuab ua hauj lwm raws li ib tug generator uas hloov siab los ntseeg txhab khoom mus rau tus ncej rau hluav taws xob zog txhua yam. Ntxiv mus, nws yog redirected rau lub network muab lub stator.

Thaum yuav muaj tsis muaj lwm, salient-ncej pib coj lub sij hawm txoj hauj lwm uas tus magnetic teb ntawm lub stator ncej axis coincides nrog ib tug longitudinal. Qhov no arrangement yuav sib haum mus rau qhov tsawg kawg nkaus txaus kuj nyob rau hauv lub stator.

Nyob rau hauv cov ntaub ntawv ntawm ua li cas rau cov braking torque ntawm lub tshuab rotor ncej yog deflected, nyob rau lub magnetic teb ntawm lub stator yog deformed, txij thaum lub flow nyhav thim los ntawm lub kawg kuj. Yuav kom txiav txim no yuav tsum tau quab yuam cov kab, uas orientation nyob rau hauv txhua cov ntsiab lus yuav sib haum mus rau lub zog ntawm tus quab yuam, yog li ntawd cov kev hloov ntawm lub teb yuav raug nyob rau hauv ib tug tangential sis raug zoo.

Thaum pom tias tag nrho cov dab nyob rau hauv synchronous motors, nws yog ua tau kom paub tias cov demonstrative hauv paus ntsiab lus ntawm reversibility ntawm ntau yam cov cav, muaj ib tug tau ntawm tej hluav taws xob ntaus ntawv mus hloov lub orientation ntawm lub hloov siab los ntseeg hwj chim rau tus opposite.

Brushless ruaj khov magnet motors

Valve engine nrog ib tug mus tas magnet yog siv los daws tau teeb meem loj tiv thaiv thiab muaj kev siv txij li thaum xws li ib tug ntaus ntawv muaj ib tug loj cia muaj peev xwm thiab ua hauj lwm zoo.

Cov pab kiag li lawm yog feem ntau siv nyob rau hauv lag luam uas yuav tsum tau kuj tsis tshua muaj zog noj thiab me me luaj li cas. Lawv yuav muaj ib tug ntau yam ntawm qhov ntev, tsis muaj kev siv technology tshiab kev txwv. Nyob rau tib lub sij hawm, loj pab kiag li lawm yog tsis hom tshiab, lawv feem ntau tsim tuam txhab uas muag uas nrhiav ua kom kov yeej lub economic teeb meem uas txwv cov ntau yam ntawm cov pab kiag li lawm. Lawv muaj lawv tus kheej zoo, cov uas yog cov high efficiency vim losses nyob rau hauv lub rotor thiab muaj hwj huam ceev. Yuav kom tswj cov brushless motors xav tau ib tug nce mus nce los zaus tsav.

Analysis ntawm cov nqi thiab cov kev pab qhia tau hais tias tus ntaus ntawv ntawm ib tug mus tas magnet yog ntau npaum li cas preferable raws li muab piv nrog lwm cov technologies. Feem ntau cov feem ntau lawv yog siv rau lag luam nrog hnyav txaus niaj hnub zov me nyuam ntawm marine xyaw, nyob rau hauv cov tub rog thiab tiv thaiv kev lag luam thiab lwm yam rau lwm, tus xov tooj uas yog tsis tu ncua ua.

dav hlau engine

Valve-dav hlau engine ua siv ob theem windings uas yog haum nyob ib ncig ntawm lub diametrically opposite stator tug. Muab hwj chim rau tus rotor tsiv nyob rau hauv raws li cov tug. Yog li, nws txheem yog kiag li txo kom tsawg li tsawg.

Valve engine, tsim los ntawm lawv tus kheej txhais tes, muab siab tsav ceev nrog optimized magnetism mus ua hauj lwm nrog ib tug rov qab. Ntaub ntawv hais txog qhov chaw ntawm lub rotor yog siv los tswj tus mov voltage theem, raws li qhov no yog qhov zoo ua kom tiav ib tug tas mus li thiab du torque thiab high efficiency.

Pib ntsais koj teeb uas tsim ib lub dav hlau engine, superimposed nyob rau angular unsaturated theem inductance. Yam tsawg kawg nkaus kuj ncej ntaus kiag li sau raws nkaus Ii lub siab tshaj plaws inductance.

Zoo caij yuav tsum tau tsuas yog nyob rau hauv lub ces kaum thaum zoo indicators, As. Thaum uas tsis muaj speeds cov theem tam sim no yuav tsum tau txwv nyob rau hauv thiaj li yuav ua cov kev tiv thaiv ntawm electronics los ntawm high voltage-vib nas this.
Hloov dua siab tshiab mechanism yuav los ua piv txwv los ntawm kab reactive zog. Cardinality uas characterizes lub hwj chim uas yog hloov dua siab tshiab rau hauv cov neeg kho tshuab zog. Nyob rau hauv cov kev tshwm sim ntawm ib tug ntse tig tawm lub dhau heev lawm los yog residual quab yuam rov qab mus rau lub stator. Yam tsawg kawg nkaus tsis muaj lub magnetic teb rau qhov kev kawm ntawm tus dais no yog lub ntsiab qhov txawv ntawm zoo xws li cov kiag li lawm.