Dab tsi yog qhov sib txawv ntawm txhuam thiab txhuam DC tsav?

Cov ntsiab lus yooj yim ntawm cov txhuam hniav thiabTxhuam tsis xebs

Txhuam tus DC Tsav: Classic Electriochaoj Tsim

Lub cev muaj zog DC yog hom kev ua haujlwm DC uas siv cov neeg kho tshuab txhuam thiab cov neeg ua haujlwm hloov pauv tam sim no hauv lub rotor windings. Lub rotor (Armature) nqa cov coils, thaum lub stator muab cov hlau sib nqus uas siv cov hlau nplaum lossis cov windings. Raws li Armature rotates, pa roj carbon txhuam tswj kev lom zem sib chwv nrog cov ntu ntawm cov neeg ua haujlwm, thim rov qab tam sim no ntawm cov haujlwm siab ntev. Qhov no tsim lub zog txuas ntxiv hauv ib qho kev taw qhia. Txhuam DC lub motors tau siv dav vim tias lawv yuav tsum tau tsav yooj yim-feem ntau tsuas yog qhov siv dc ntau lossis yooj yim PWM maub los.

Txhuam tsis muaj zog DC Lub Cev Muaj Zog

Ib qho DC (BLDC) lub cev muaj zog tshem tawm cov windocates rau lub stator thiab siv cov hlau nplaum ruaj khov hauv lub rotor. Hloov chaw ntawm cov tshuab hluav taws xob, lub tshuab hluav taws xob hloov chaw tam sim no ntawm cov stator theem raws li rotor txoj hauj lwm cov tswv yim lossis rov qab - EMF kev hnov). Qhov kev tsim no tshem cov txhuam txhuam thiab cov neeg ua haujlwm nkaus, txo lub suab nrov thiab hluav taws xob. Bldc Motors feem ntau yog peb - theem, txawm hais tias qee cov qauv siv siv ntau ntu rau kev txhim kho smoothness. Kev sib koom ua ke ntawm cov khoom siv hluav taws xob muaj zog, thiab tswj kev ua haujlwm siab thiab ua kom nrawm thiab cov kev cai ceev thiab kev tsim kho niaj hnub, kev siv tsheb, thiab cov ntawv thov cov neeg siv khoom.

Sab hauv cov qauv thiab cov khoom sib piv tseem ceeb

Kev Ua Haujlwm Txhua yam ntawm hluav taws xob

Hauv ib lub cev muaj zog, cov khoom tseem ceeb yog cov armature nrog cov neeg tooj liab, cov segmented tus neeg ua haujlwm, pa roj txhuam cov kab ke. Lub commutator yog mechanically seem tooj liab uas tig nrog tus ncej, thaum txhuam yog lub caij nplooj ntoo hlav - Thauj khoom nias tawm tsam nws. Los ntawm kev sib piv, ib lub cev muaj zog BLDC siv lub rotor nrog cov hlau nplaum tas mus li thiab lub stator nrog ntau cov windibings. Kev mus los ua ke los ntawm semiconductor switches, feem ntau yog mosfets lossis iGBts, tswj tau los ntawm microcontroller lossis mob siab tsav IC. Cov kev ua haujlwm no hloov pauv cov kev sib txhuam tshuab nrog cov khoom - Xeev Circuitry.

Xaiv cov khoom siv thiab cov kev xaiv thermal

Brushed cov motors feem ntau tso cov paj ntaub rau ntawm lub rotor, uas tig nyob rau hauv lub pob tawb. Qhov kev teeb tsa no ua kom muaj kev tshem tawm thaum sov vim kev sib hloov cov khoom siv muaj cov thermal thermal txuas mus rau lub tsev. Lub cev nruj dua txav cov windings rau lub stator, uas tau txuas ncaj qha rau lub tsev muaj zog, ua kom sov dua li kub ntxhov. Raug rotor hlau nplaum hauv BLDC tsim siv ndfeb lossis cov ntaub ntawv ferrite; NdFeT cov hlau nplaum tuaj yeem muab cov khoom siv hluav taws xob saum toj 35 mgoe, tso cai ntau dua torque ntau dua. Cov txheej txheem no cuam tshuam nrog lub cev ntsuas qhov loj me, txuas ntxiv rau kub, feem ntau 80-120 ° C rau dav dav - ° C rau cov hwm cov qauv.

Cov Qauv Kev Ua Haujlwm thiab Txoj Kev Sib Tw

Tam sim no ntws thiab torque ntau lawm hauv cov neeg muaj lub zog

Nyob rau hauv txhuam DC Cov Motors, thov DC voltage ua rau tam sim no kom ntws los ntawm cov txhuam hniav mus rau hauv lub chaw muag khoom thiab riam phom. Kev sib cuam tshuam ntawm Armature tam sim no thiab Stator sib nqus sib nraus tsim kom muaj kab sib nqus raws li txoj kab sib luag raws li kev sib tw tas li thiab kuv yog riam phom tam sim no. Raws li lub rotor lem, cov neeg soj xyuas ib txwm thim rov qab tam sim no nyob rau hauv cov coilinature, tswj kev ua kom ruaj khov. Raug Tsis pub - Thauj khoom siv hluav taws xob tuaj yeem yog kwv yees los ntawm ≈ (v - Authia (V - Auto (V - Auths)

Hauv lub tsev kawm ntawv hauv tshuab hluav taws xob hauv Seem tsis muaj cov qauv DC

Hauv BLDC cov motors, lub stator windings yog energized nyob rau hauv ib ntu synchronized nrog rotor txoj hauj lwm. Ib peb - theem BLDC lub cev muaj zog feem ntau ua raws li ib rau - Kauj Ruam Kev Tshawb Fawb, energizing ob ntu ntawm ib lub sijhawm thaum lub thib peb yog tawm. Tus maub los siv HALL - cov txiaj ntsig sensors lossis sensorless rov qab - EMF lub sijhawm los txiav txim siab txog thogonal rau lub rotor sib nqus teb, ua kom tiav siab. Teb - Kev tswj hwm Oriented (Foc) tuaj yeem txuas ntxiv ua kom zoo dua tshiab rau kev tswj hwm torque thiab flux ntawm nws tus kheej, txhim kho kev ua haujlwm thiab kev ua tau zoo dua qub. Cov kev coj mus hluav taws xob hauv hluav taws xob tso cai rau cov neeg ceev ceev los ntawm ze tshaj plaws rau kaum tawm txhiab tus ntawm RPM nrog cov kev cai meej.

Efficiency, kev ua tau zoo, thiab lub hwj chim txawv sib txawv

Quantitative EfficiCi Pwm

Vim tias cov motors raug kev txom nyem los ntawm kev txhuam txhuam hniav, thiab suboptimal kev siv zog, thiab kev ua tau zoo tshaj plaws los ntawm 70% rau me me mus rau qhov ntau thiab tsawg rau nruab nrab. Nyob rau hauv kev sib piv, Bldc lub motors feem ntau ua tiav 85% mus rau 92% kev ua tau zoo, thiab siab - Kev ua tau zoo tsim nyog tshaj li 95% nyob rau hauv kev ua haujlwm zoo tshaj plaws. Piv txwv li, ib 200 w txhuam hniav lub cev muaj zog yuav hloov tau tsuas yog 150-160 w rau hauv nws lub sijhawm ua haujlwm zoo tshaj, thaum lub zog BLDC, tshwj xeeb rau cov ntawv thov txuag nyiaj tseem ceeb lossis HVAC.

Torque ntom thiab lub zog - rau - qhov hnyav piv

Bldc cov motors feem ntau ua tiav ntau dua torque ntom dua brobed cov hlau nplaum vim tias cov hlau nplaum muaj zog tsis muaj zog sib nqus khoom tsis muaj suab sib nqus tooj liab. Raug nruam torque qhov tseem ceeb rau kev ua kom pom qhov cub rau ntawm 0.3-0.7 nm, thaum sib piv txhuam hniav feem ntau poob ntawm 0.2-0.4 nm / kg. Ib yam li ntawd, lub zog - rau - qhov hnyav piv cov kev tsim qauv hluav taws xob tuaj yeem siv tau 300 yam li tus txhuam hniav zoo sib xws yuav raug txwv rau 150-300 w vim muaj kev txwv tsis pub thermal. Cov zauv sib txawv ntawm kev nyiam ua kom muaj zog rau kev daws teeb meem hauv drones, e - cov tsheb kauj vab, hlau, thiab lwm yam hnyav.

Kev Tswj Ceev, Torque Tswj, thiab Kev Ua Haujlwm

Tswj kom yooj yim nyob rau hauv cov neeg motors

Kev tswj kom ceev rau cov neeg muaj lub zog ua kom ncaj ncaj: sib txawv ntawm cov ntawv siv voltage lossis lub luag haujlwm ntawm PWM taw qhia ncaj qha hloov pauv ceev. Cov nqi txo qis: Tus nqi tswj hwm tuaj yeem tswj qhov nrawm nrog kev thev taus ntawm ± 5-10% tsis muaj cov lus qhia. Torque yog proporte rau tam sim no, yog li cov kev txwv tam sim no los yog kaw - Voj tswj kev tswj cov mob sib txawv. Txawm li cas los xij, thaum muaj kev teb nrawm nrawm nrawm nrawm lossis qhia meej (piv txwv li (± 0.1 °) yuav tsum muaj, cov neeg ua haujlwm tshuab ua tiav dhau los ua qhov kev txwv. Ntxiv mus, ntawm kev kub ceev rau saum toj kawg nkaus 10,000-15,000 rpm, txhuam arcing thiab commutator hnav nce ntau, txwv tsis pub ua haujlwm.

Cov Peev Txheej Txheem Kev Ua Ntej ntawm Cov Hluav Taws Xob

BLDC lub zog cia siab rau ntawm kev tswj hluav taws xob, uas qhib siab advanced muaj peev xwm. Kaw - Vector vector tswj tau tuaj yeem tswj cov nrawm nrawm rau hauv ± 1% lossis zoo dua thoob plaws cov khoom sib txawv, nrog ntau lub sijhawm hauv millisecond ntau. Kev tswj hwm torque yog qhov zoo sib luag Ntau cov kev siv Servo siv BLDC lossis tas mus li Magnet synchronous synchronous cov synchronous synchronconous synator (PMSM) Ua tiav cov lus hais raug zoo dua li ± 0.01 ° nrog cov txheej txheem siab. Cov yam ntxwv no ua rau cov tshuab tsim nyog rau cnc tov khoom, robots, khoom siv kho mob, thiab cov khoom xav tau cov lus tsa suab zoo nkauj.

Suab nrov, kev co, thiab ua haujlwm smoothness piv

Suab nrov acoustic thiab hluav taws xob hauv cov motors txhuam

Txhuam sib chwv muaj qhov ua suab nrov thiab cov khoom lag luam hluav taws xob. Cov qib suab nrov Acoustic cov suab nrov me me ntawm cov neeg muaj suab paj me me uas tau yooj yim ncav cuag 50-70 dB ntawm ze ze hauv kev thauj khoom. Lub arcing ntawm txhuam - Cov neeg ua haujlwm sib cuam tshuam nrog cov hluav taws xob hauv hluav taws xob kuj muaj kev cuam tshuam hluav taws xob hauv hluav taws xob, qee zaum xav tau kev lim dej ntxiv lossis tiv thaiv ntxiv. Torque ripple yog cuam tshuam los ntawm cov neeg ua haujlwm ntu geometry thiab tus lej ntawm tus ncej; Ntau dua tus ncej suav tuaj yeem txo cov ripple tab sis ntxiv cov nyom. Hauv cov ntawv thov xws li cov khoom siv hauv chaw ua haujlwm lossis cov cuab yeej siv tau siv, cov suab nrov no yuav siv tau, tab sis nyob rau hauv siab - cov ntawv kho mob, nws dhau los ua qhov tsis zoo.

Smoother thiab quieter kev ua haujlwm nyob rau hauv cov neeg muaj lub zog

BLDC Motors ua haujlwm tsis muaj zawg cov zaub mov hluav taws xob, uas muaj kev txo cov suab nrov kho tshuab. Nrog tsim kom tsim nyog, BLDC lub cev muaj peev xwm ua lag luam hauv 30-50 DB ntau nyob rau hauv cov kev thauj khoom zoo sib xws, thiab lawv cov kev lim EMI muaj ntau ntxiv thiab ua kom yooj yim los ntawm kev tswj hwm hloov chaw. Kev siv ntawm sinusoidal kev cog lus lossis cov ov muaj peev xwm txo lub zog torque remple rau hauv qab ob peb feem pua ​​ntawm rated torque, muab kev sib hloov heev du txawm tias ntawm kev nrawm. Qhov no ua rau cov tshuab raj txhuam tshwj xeeb haum rau cov koob yees duab gimbals, thiab servo axes qhov twg ob qho suab smoothness thiab bitousic suab yog qhov tseem ceeb.

Durability, txij nkawm, thiab tag nrho cov kev pabcuam lub neej

Hnav cov tshuab thiab cov kev pabcuam sib nrug rau cov motors txhuam

Tus thawj cov khoom hnav hauv tus txhuam hniav DC yog cov pa roj carbon txhuam thiab cov commutator nto. Nyob rau hauv ib txwm muaj mob, txhuam hniav yuav kav ntev 2,000-5,000 teev nyob rau hauv cov neeg muaj tsheb me me thiab 10,000-20,000 teev nyob rau hauv loj dua, cov khoom tsim tau. Kev kub ceev, cov nra hnyav, lossis nquag pib - nres tsheb mus yuav luv luv no. Kev txij nkawm feem ntau cuam tshuam nrog kev kuaj xyuas ib ntu, txhuam hloov, thiab qee zaum cov neeg soj xyuas dua. Yog tias cov haujlwm no tsis quav ntsej, muaj kev nce qib thiab kev tawm tsam tuaj yeem ua rau overheating overheating, txo torque, thiab ib puag ncig ua tsis tiav. Rau cov ntawv thov yuav tsum tau ua ntu zus 24/7 yam tsis muaj kev cuam tshuam, cov kev saib xyuas cov kev tu vaj tu kom zoo yuav tsum ua kom zoo ua ke hauv.

Ntev - lub neej kev ua tau zoo ntawm cov neeg muaj lub zog

Hauv kev tsim qauv, qhov tsis muaj ntawm cov tshuab kev ua haujlwm tshem tawm tshem tawm cov khoom lag luam loj. Tus thawj coj lub neej - cov khoom siv sib xyaw ua bearings thiab, rau tsawg dua, rwb thaiv tsev cov tshuab thiab hluav taws xob. Niaj hnub nimno pob bearings feem ntau muaj L10 lub neej kev ntsuas ntawm 20,000-40,000 teev ntawm nominal thauj khoom thiab nrawm; Nrog kom zoo sizing, Bldc cov motors Tib neeg txhua txoj kev pabcuam nyob rau lub neej nyob saum 30,000 teev thiab muaj peev xwm tshaj 50,000 tshaj li 50,000 tshaj 50,000 teev nyob rau hauv cov kev mob kom zoo. Vim tias tsis muaj kev hloov pauv hloov dua tshiab yog qhov tsim nyog, lub sijhawm txij nkawm thiab tus nqi yog txo qis. Qhov kev ntseeg siab no yog qhov tseem ceeb vim li cas ntau cov tuam txhab BlDC cov kev daws teeb meem rau cov cuab yeej tseem ceeb thiab kev muaj tshuab ua lag luam.

Tus nqi, cov kev xav tau hluav taws xob yuav tsum tau, thiab kev sib cav sib ceg

Tus nqi them pib ntawm cov neeg muaj zog

Los ntawm cov khoom siv kho kom zoo nkauj standpoint, txhuam cov motors yog yooj yim rau kev tsim khoom. Lub cev muaj zog tuaj yeem ua haujlwm ncaj qha los ntawm DC mov lossis tus tswj hwm tseem ceeb heev, ua rau nws txaus nyiam hauv cov ntawv thov nyiaj qis. Piv txwv li, chav tsev txhuam hniav nrog lub zog ntsuas ntawm 100 w yuav raug nqi 20-50% tsawg dua ntawm qib tivthaiv bldc tsav. Rau kev tsim khoom me me lossis tus nqi tsis tshua muaj nqi - Cov cuab yeej siv rhiab, qhov sib txawv no tuaj yeem txiav txim siab. Txawm li cas los xij, ntev ntev tus nqi ntawm cov tswv cuab yuav tsum muaj nyiaj rau kev ua tau zoo, txij nkawm, thiab downtime, uas feem ntau tab tom cov cuab yeej pib.

Maub los nqi thiab kev sib xyaw rau kev ua kom txhob txhuam

Lub cev muaj zog BLDC yuav tsum muaj cov tshuaj maub los, ntxiv cov nyom. Cov maub los suav nrog cov hluav taws xob semiconductors, tswj kev tswj, kev pom zoo tam sim no, thiab feem ntau kev sib txuas lus sib txuas lus xws li tuaj yeem, Rs - 485, lossis muaj Ethernet. Thaum pib tus nqi yuav yog li siab dua 30-100% piv nrog cov tshuaj yooj yim txhuam. Txawm li cas los xij, kev sib xyaw ua ke tsav cov qauv thiab ntau dua cov khoom ntim hauv cov lag luam wholesale raws li kev sib tw no txo ​​qhov kev sib pauv no. Thaum lub zog txuag, txo qis kev txij nkawm, thiab kev txhim kho kev ua tau zoo rau, lub neej ntev li ntawm cov sijhawm lag luam thiab ua lag luam khiav haujlwm ntau dua 2,000-3,000.

Cov ntaub ntawv raug thov rau txhua hom tsav tsheb

Cov xwm txheej nquag siv rau txhuam hniav DC motors

Txhuam cov dc lub mactors nyob qhov tsawg qhov uas tus nqi tsawg, yooj yim tsav electronics, thiab kev ua tau zoo me ntsis yog qhov tseem ceeb. Cov chaw ua haujlwm raug muaj xws li cov khoom siv hauv yim neeg me, cov cuab yeej siv hluav taws xob, cov khoom siv tsheb kho tsheb, cov khoom ua si, thiab cov khoom ua si yooj yim, thiab cov khoom ua si. Nyob rau hauv ntau ntawm cov mob no, cov dej num cycles yog cov sijhawm sib quas ntus, thiab tag nrho cov sijhawm ua haujlwm tag nrho muaj tsawg, txo qis kev cuam tshuam ntawm txhuam txhuam. Txog kev cai cov haujlwm, cov chaw tsim khoom lossis cov khoom lag luam lossis cov khoom siv txhuam hniav kom muaj feem xyuam rau cov kev tiv thaiv kom sai thiab cov khoom siv hluav taws xob sai sai.

Cov kev xav tau cov ntawv thov rau Txhob Seem tsis xeb

BLDC cov tshuab raj nyob hauv cov ntawv thov xav tau compact loj, ua haujlwm siab, tswj thiab kho kom meej. Piv txwv li cov tsheb hluav taws xob, drones thiab cov tshuab hluav taws, servo tshuab, cua txias, thiab siab - lub twj thiab compressors. Hauv cov haujlwm no, cov nqi zog, kev ntseeg tau, thiab kev teb zoo dua ntau dua li cov kev nce siab nce hauv tus nqi sib xyaw. Ntau cov yeeb yam ua haujlwm nrog lub tshuab tsim kev muaj zog ua kom zoo rau ob tus qauv thiab ua kom cov kev daws teeb meem BLDC los ua kom zoo rau lub zog, acoustics, thiab tswj cov nta. Hauv kev lag luam wholesale thiab qhov project - Raws lag luam, kev ruaj ntseg ntawm kev ua tau zoo thiab txo qis hauv cov teb tsis tiav feem ntau pov hwm cov thev naus laus zis.

Cov lus qhia rau xaiv ntawm kev txhuam thiab txhuam hniav

Cov Qauv Tseem Ceeb thiab QuantitatenatS

Xaiv ntawm cov txhuam hniav thiab tsis muaj kev tsim qauv yuav tsum tau ntsuas ntau qhov kev ntsuas:

• Lub Luag Haujlwm Lub Hlis thiab Lub Neej: Rau cov haujlwm txuas ntxiv tau saum toj no vim muaj qis dua lub neej (30,000+ teev rau ntau cov tshuaj txhuam).
• Cov hom phiaj ua tau zoo: Yog tias System - Kev ua tau zoo dua 85%, tshwj xeeb yog xav tau, tshwj xeeb yog nyob ntawm nruab nrab rau cov zog hluav taws xob (200 W thiab siab dua).
• Kev ceev thiab cov kev yuav tsum muaj: rau nrawm dua 15,000 rpm lossis meej torque tswj nrog bandwidths nrog bandwidther nrog bandngtherz ntau, bldc yog nyiam.
• Cov suab nrov acoustic: rau cov tshuab yuav tsum tau <50 ntawm nominal kev ua haujlwm muaj kev ncua deb, cov tshuaj tsis yooj yim dua kom tsim nyog.
• Kev Siv Nyiaj Txiag: Rau cov nqi qis heev (cov ntawv thov tsawg (ib lub cev muaj zog ua ke nrog cov pa tswj yooj yim kuj tseem tuaj yeem xaiv tau tshaj plaws.

Kev Ua Lag Luam Ua Lag Luam: Lag luam wholesale, Chaw tsim tshuaj paus, thiab cov khoom siv khoom siv

Tshaj kev tsom xam engineering, cov tswv yim ua haujlwm kuj cuam tshuam qhov kev xaiv. Thaum sourcing los ntawm cov chaw tsim khoom uas muaj ob qho tib si txhuam hniav thiab cov khoom siv uas txhuam tsis yog tsuas yog cov tswj hwm, cov cab kuj, thiab kev sib koom ua ke. Hauv kev lag luam wholesale, Bldc lub cev muaj zog yuav txaus siab rau ntim - raws li tus nqi txo uas nqaim nrog cov kev daws teeb meem. Cov thev naus laus zis muaj peev xwm pab tau phim cov ntsuas hluav taws xob, ntau ntau yam, thiab cov kev txwv ceev rau cov haujlwm tiag tiag profile ntawm koj cov cuab yeej. Los ntawm kev ua raws kev ua haujlwm tshwj xeeb nrog kev ua haujlwm tiag tiag, txo cov khoom lag luam muaj ntau yam ntawm cov tswv cuab.

Maxtech muab cov kev daws teeb meem

Maxtech tsom rau kev daws cov lus tshem tawm cov kev daws teeb meem uas ua kom ua kom zoo, kev cia siab, thiab tus nqi. Rau cov ntawv thov txhuam hniav, Maxtech txhawb nqa kom raug sizing raws li lub voj voog, thiab pib tam sim no, ua ke muaj kev tiv thaiv kev tiv thaiv kom muaj kev tiv thaiv zoo. Rau cov tshuab nqus, maxtech muab cov khoom siv hluav taws xob sib xyaw nrog cov khoom zoo dua 90%, cov suab nrov me me, thiab cov phiaj xwm lub neej dhau ntawm 30,000 teev. Kev siv tshuab hluav taws xob pab tau xam parameter, kev kuaj mob cua sov, thiab EMC kev txiav txim siab, thiab kev pab cov neeg siv khoom los ntawm kev txhuam hniav uas nws ntxiv cov nqi. Seb koj ua haujlwm los ntawm kev lag luam wholesale channel lossis ncaj qha Kev koom tes, Maxtech pab sib npaug, nyiaj txiag, thiab ntev ntev ntev ntev.