Resolver / Transformer, tseem hu ua synchronous daws teeb meem, yog lub tshuab hluav taws xob hluav taws xob uas nws txoj haujlwm ua haujlwm thiab kev ua haujlwm tuav qhov tseem ceeb hauv kev lag luam automation thiab servo tswj systems.
I. Txoj Cai Ua Haujlwm ntawm Tus Txheej Txheem
Cov kev daws teeb meem ua haujlwm raws li lub hauv paus ntsiab lus ntawm electromagnetic induction: hloov magnetic flux induces electromotive force hauv ib tus neeg xyuas pib. Nws lub luag haujlwm tseem ceeb suav nrog kev hloov hluav taws xob hluav taws xob thiab hloov cov ntaub ntawv angular txoj hauj lwm los ntawm kev sib cuam tshuam ntawm qhov chaw sib nqus rotating thiab ob qho tib si nyob ruaj ruaj thiab rotating windings.
1. Cov qauv tsim
Lub teb transformer feem ntau muaj ob ntu: stator thiab rotor:
- Stator:Lub stator winding yog thawj sab ntawm lub transformer, tau txais excitation voltage. Excitation frequencies feem ntau siv tus qauv qhov tseem ceeb xws li 400Hz, 3000Hz, thiab 5000Hz. Lub stator winding yog tsau rau qhov chaw nyob ruaj khov, tsim kom muaj qhov sib nqus sib nqus los ntawm kev hloov tam sim no.
- Rotor:Lub rotor winding ua hauj lwm raws li ob sab ntawm lub transformer, tau txais induced voltage los ntawm electromagnetic coupling. Ua los ntawm cov hlau coils, lub rotor winding traverses sib txawv magnetic flux nyob rau hauv lub rotating magnetic teb raws li nws angular txoj hauj lwm hloov. Qhov no induces ntau qhov sib txawv ntawm electromotive quab yuam hauv cov xov hlau.
Tsis tas li ntawd, rotary transformers suav nrog cov cuab yeej pabcuam xws li kev txhawb nqa thiab cov tshuab induction kom ua haujlwm ruaj khov thiab ntsuas qhov tseeb.
2. Cov txheej txheem ua haujlwm
Cov txheej txheem kev khiav hauj lwm ntawm lub tshuab hluav taws xob hloov pauv tuaj yeem ua tiav hauv cov kauj ruam hauv qab no:
- Txheej txheem excitation:Txuas lub zog hluav taws xob mus rau stator windings tsim ib qho kev hloov tam sim no, tsim kom muaj qhov sib nqus sib nqus. Qhov no rotating magnetic teb tsim lub hauv paus rau lub teb transformer lub lag luam.
- Txheej txheem induction:Raws li lub rotor rotates, cov conductors nyob rau hauv lub rotor windings traverse sib txawv magnetic flux nyob rau hauv lub rotating magnetic teb. Raws li txoj cai ntawm electromagnetic induction, cov kab sib nqus flux hloov pauv no ua rau lub zog hluav taws xob (EMF) hauv lub rotor windings.
- Sib nqus Coupling thiab Fais Fab Hloov:Vim yog sib nqus coupling ntawm stator thiab rotor windings, induced electromotive quab yuam nyob rau hauv lub rotor windings yog txuas mus rau stator windings. Los ntawm kev sib txawv ntawm kev teeb tsa, cov hom phiaj xws li hloov hluav taws xob thiab kev hloov pauv tam sim no tuaj yeem ua tiav.
3. Cov yam ntxwv tso zis
Cov zis hluav taws xob ntawm lub tshuab hluav taws xob hloov hluav taws xob tswj kev ua haujlwm tshwj xeeb nrog lub rotor lub kaum sab xis. Qhov kev sib raug zoo no feem ntau siv cov sine, cosine, lossis linear function. Daim ntawv qhia tseeb yog nyob ntawm qhov hloov pauv hloov pauv tus qauv tsim thiab kev teeb tsa kev teeb tsa. Piv txwv li, nyob rau hauv tej yam siab - precision nrhiav tshuab, cov zis voltage yuav ua raws li ib tug sinusoidal los yog cosine muaj nuj nqi txheeb ze rau lub rotor lub kaum sab xis; whereas nyob rau hauv ib co linear ntsuas systems, ib tug linear kev sib raug zoo tej zaum yuav tau khaws cia.
II. Kev ua haujlwm ntawm Rotary Transformers
Rotary transformers nrhiav kev siv dav hauv kev lag luam automation thiab servo tswj tshuab, nrog rau lawv cov haujlwm tseem ceeb suav nrog hauv qab no:
1. Angular Position Ntsuas
Lub luag haujlwm tseem ceeb tshaj plaws ntawm kev hloov pauv hloov pauv yog ntsuas lub kaum sab xis ntawm qhov hloov pauv. Los ntawm kev txheeb xyuas qhov loj thiab kev taw qhia ntawm induced electromotive quab yuam nyob rau hauv lub rotor windings, lub rotor lub rotor lub kaum sab xis yuav xam tau. Txoj kev ntsuas no muaj qhov ua tau zoo, kev ntseeg tau, thiab tsis yog -kev sib cuag, ua rau nws tsim tshwj xeeb rau cov ntawv thov uas xav tau kev tswj xyuas qhov tseeb.
2. Kev ntsuas Angular Velocity
Tshaj li qhov ntsuas txoj hauj lwm, rotary transformers tuaj yeem ntsuas qhov nrawm nrawm ntawm cov khoom tig. Los ntawm kev soj ntsuam tsis tu ncua ntawm tus nqi ntawm kev hloov pauv ntawm qhov induced electromotive quab yuam nyob rau hauv lub rotor windings, lub angular tshaj tawm yuav xam tau. Txoj kev ntsuas no yog qhov tseem ceeb rau kev siv cov lus teb ceev thiab kaw - voj tswj hauv kev tswj cov tshuab.
3. Coordinate hloov dua siab tshiab thiab muaj nuj nqi xam
Rotary transformers tseem tuaj yeem ua haujlwm raws li kev suav cov ntsiab lus rau kev sib koom ua ke hloov pauv thiab suav ua haujlwm. Hauv qee qhov kev tswj hwm txoj haujlwm, cov ntaub ntawv ntawm txoj haujlwm angular yuav tsum tau hloov mus rau hauv lwm hom kev sib koom tes lossis kev ua haujlwm tshwj xeeb. Cov yam ntxwv tso zis tshwj xeeb ntawm rotary transformers pab txhawb kev ua haujlwm ntawm cov haujlwm no.
4. Cov ntawv thov hauv Servo Systems
Nyob rau hauv servo tswj systems, teb transformers ua lub luag hauj lwm tseem ceeb raws li ob lub kaum sab xis teeb liab generators thiab detectors. Lawv hloov lub kaum sab xis ntawm lub cev muaj zog rau hauv lub teeb liab hluav taws xob rau kev xa mus rau qhov kev tswj hwm lub cev thaum tib lub sijhawm tau txais cov lus txib los ntawm lub kaw lus tswj kom kho lub cev hloov lub kaum sab xis. Qhov kev kaw no - txoj kev tswj lub voj voog ua kom muaj qhov tseeb thiab ruaj khov ntawm servo systems.
5. High-Kev Ntsuas Ntsuas Ntsuas Qhov Ntsuas
Rotary transformers yog qhov kev xaiv zoo tshaj plaws rau cov tshuab uas xav tau siab - kom paub meej qhov tseeb. Lawv qhov raug siab, kev ntseeg siab, thiab tsis yog- kev sib cuag ua haujlwm ua rau lawv siv dav hauv aerospace, precision machinery, thiab lwm yam. Piv txwv li, nyob rau hauv aircraft autopilot systems, rotary transformers pab kom meej kev ntsuas ntawm lub aircraft tus cwj pwm thiab nqe lus; nyob rau hauv precision tshuab cuab yeej, lawv ua tau siab - qhov tseeb txoj hauj lwm tswj thiab machining precision.
III. Hom thiab yam ntxwv ntawm Rotary Transformers
Rotary transformers tuaj yeem muab faib ua ntau hom raws li lawv cov qauv thiab cov qauv kev ua haujlwm, txhua tus muaj cov yam ntxwv tshwj xeeb thiab daim ntawv thov scenarios.
1. Ob-Pole thiab Plaub-Pole Rotary Transformers
- Ob-Pole Rotary Transformer: Muaj ib khub ntawm cov hlau nplaum ntawm ob lub stator thiab rotor. Cov qauv yooj yim no muaj qhov txwv tsis pub, haum rau dav dav - ntsuas qhov tseeb thiab tswj cov tshuab.
- Plaub-Pole Rotary Transformer: Muaj ob khub ntawm cov hlau nplaum ntawm ob lub stator thiab rotor. Cov qauv no muab ntau dua precision thiab ruaj khov, ua rau nws zoo tagnrho rau siab -cov cuab yeej nrhiav kom raug thiab servo tswj systems.
2. Variable Reluctance Resolver
Lub Variable Reluctance Resolver (VRR) yog ib hom kev daws teeb meem tshwj xeeb uas ua haujlwm raws li qhov cuam tshuam tsis txaus siab dua li ib txwm siv hluav taws xob induction. Ib qho VRR feem ntau muaj cov stator winding thiab ib lossis ntau lub rotors nruab nrog cov ncej lossis cov qhov uas ua los ntawm cov ntaub ntawv tsis txaus siab (xws li cov ntaub ntawv ferromagnetic).
Txoj Cai Ua Haujlwm
Thaum ib qho alternating tam sim no siv rau qhov chaw nres tsheb winding, nws tsim ib qho chaw sib nqus sib nqus nyob ib puag ncig nws. Raws li lub rotor rotates, cov khoom sib nqus tsis kam ntawm lub rotor ib ntus hloov cov hlau nplaum tsis kam ntawm txoj kev sib nqus. Qhov kev hloov pauv ntawm qhov tsis txaus ntseeg no ua rau muaj kev hloov pauv hauv cov hlau nplaum sib nqus, ua rau lub zog hluav taws xob (EMF) nyob rau hauv qhov chaw nres tsheb lossis ib qho kev tshawb nrhiav ntxiv winding uas yog proportional rau lub rotor txoj hauj lwm. Los ntawm kev ntsuas qhov induced electromotive quab yuam, angular txoj hauj lwm ntawm lub rotor yuav xam tau.
Nta
- High Accuracy:Vim lawv cov qauv tshwj xeeb thiab kev khiav hauj lwm hauv paus ntsiab lus, cov hlau nplaum tiv thaiv kev hloov pauv feem ntau muaj qhov ntsuas qhov ntsuas siab, ua rau lawv tsim nyog rau kev tswj hwm uas xav tau siab - qhov tseeb txoj hauj lwm tawm tswv yim.
- Kev ntseeg siab:Nrog tsis muaj zawv zawg tiv thaiv cov khoom sib nqus, cov hlau nplaum tiv thaiv kev hloov pauv muaj kev ntseeg siab, txo qis kev ua tsis tiav los ntawm kev hnav lossis kev sib cuag tsis zoo.
- Strong Environmental Adaptability:Resistive rotary transformers ua haujlwm thoob plaws qhov kub thiab txias thiab muaj zog tiv thaiv electromagnetic cuam tshuam, ua rau lawv haum rau ntau qhov chaw hnyav.
- Rich Output Signals:Tshaj li cov ntaub ntawv tseem ceeb angular txoj hauj lwm, resistive rotary transformers tuaj yeem muab cov cim qhia txog kev ceev, acceleration, thiab lwm yam tsis, xa ntau - tawm tswv yim rau kev tswj cov tshuab.
IV. Daim ntawv thov piv txwv ntawm Rotary Transformers
1. Servo Tsav Tswj
Nyob rau hauv servo lub cev muaj zog tswj systems, rotary transformers ua hauj lwm raws li txoj hauj lwm sensors, tsis tu ncua saib xyuas lub rotor txoj hauj lwm thiab pub cov ntaub ntawv no rov qab mus rau lub maub los. Tus maub los kho lub cev muaj zog tswj lub tswv yim raws li txoj haujlwm no tawm tswv yim teeb liab kom ua tiav txoj haujlwm tswj, tswj ceev, thiab tswj lub zog. Lub siab precision thiab stability ntawm rotary transformers yog qhov tseem ceeb rau kev txhim kho tag nrho cov kev ua tau zoo ntawm servo systems.
2. Robot Joint Control
Rotary transformers yog dav siv nyob rau hauv industrial robots thiab precision robotic caj npab rau kev sib koom tes nrhiav thiab tswj. Los ntawm kev txhim kho cov hloov pauv hloov pauv ntawm cov pob qij txha, cov ntaub ntawv tiag tiag - lub sijhawm tig lub kaum sab xis raug ntes, ua kom muaj kev tswj xyuas meej ntawm tus neeg hlau txoj kev txav mus los. Txoj kev tswj hwm no ua rau txhim kho neeg hlau ua haujlwm raug thiab txo qis kev ua yuam kev.
3. Aerospace Applications
Hauv kev siv aerospace, rotary transformers feem ntau ua haujlwm hauv kev tswj hwm lub dav hlau thiab navigation systems vim lawv qhov siab thiab kev ntseeg tau. Piv txwv li, nyob rau hauv dav hlau autopilot systems, rotary transformers ntsuas qhov tseem ceeb tsis xws li suab, yob, thiab yaw lub kaum sab xis, muab cov lus qhia tseeb rau lub davhlau tswj tshuab. Lawv kuj ua lub luag haujlwm tseem ceeb hauv kev hloov pauv tus cwj pwm ntawm lub dav hlau thiab kev tswj kom ruaj khov.
4. Cov cuab yeej ntsuas qhov tseeb
Hauv cov cuab yeej ntsuas qhov tseeb xws li cov khoom siv kho qhov muag, ntsuas lub tshuab ntsuas, thiab cov cuab yeej ua haujlwm laser, cov tshuab hluav taws xob teb tau nquag ua haujlwm raws li cov ntsuas ntsuas ntsuas. Lawv qhov siab precision thiab ruaj khov ua kom muaj kev ntsuas qhov tseeb, txhim kho cov cuab yeej ntsuas qhov tseeb thiab kev ntseeg tau.
V. Summary
Raws li qhov tseem ceeb ntawm electromagnetic sensor, lub teb transformer pom kev siv dav hauv kev lag luam automation, servo tswj, aerospace, thiab precision ntsuas teb. Lawv txoj kev khiav hauj lwm yog ua raws li electromagnetic induction thiab cov nyhuv magnetoresistance, hloov thiab xa cov ntaub ntawv angular los ntawm kev ntsuas qhov txheeb ze ntawm lub rotor thiab stator. Rotary transformers muaj qhov zoo xws li kev ua haujlwm siab, kev ntseeg siab, tsis yog -kev sib cuag, thiab muaj zog ib puag ncig adaptability, muab cov kev daws teeb meem rau cov tshuab uas xav tau kev tswj xyuas qhov tseeb. Nrog rau kev txhim kho thev naus laus zis tsis tu ncua, rotary transformers yuav ua lub luag haujlwm tseem ceeb hauv ntau lub teb, tsav kev nce qib ntawm kev lag luam automation thiab cov txheej txheem ntse.