Cov Nplhaib Magnets Siv Li Cas Hauv Sensors Thiab Magnetic Assemblies?

Thaum koj tau ua haujlwm nrog cov sensors sib nqus, koj sai sai paub tias lub hlau nplaum tsis yog ib feem yooj yim xwb - nws yog qhov txiav txim siab ntawm lub sensor uas tuav nws qhov tseeb rau lub sijhawm ntev thiab ib qho uas pib ploj mus tom qab ob peb txhiab lub voj voog xwb.

Cov hlau nplaum uas muaj nplhaib yog ib qho kev xaiv uas siv ntau hauv cov ntawv thov no, thiab muaj laj thawj zoo. Tab sis kev ua kom raug - tshwj xeeb tshaj yog thaum koj tab tom nrhiav rau kev tsim khoom - siv ntau dua li kev xaiv qhov loj me ntawm daim ntawv teev cov ntaub ntawv.

Kuv tau pom cov engineers teev cov hlau nplaum zoo meej rau ntawm daim ntawv, tab sis lawv ntsib teeb meem kev sib koom ua ke vim tias tus qauv magnetization tsis phim lub sensor qhov kev nyeem tawm logic. Cia peb tham txog qhov no.Cov kev daws teeb meem ntawm lub nplhaib magnet rau cov sensors

 

Siv Sai

Zoo tagnrho rau cov encoders thiab cov sensors position
Yuav tsum tau tswj hwm magnetization kom meej
Qhov ntev cuam tshuam rau qhov tseeb ntawm lub kaw lus
Feem ntau yog ua raws li kev cai rau kev sib dhos

 

Vim li cas cov hlau nplaum nplhaib siv rau hauv cov sensors

Thaum xub thawj siab ib muag, lub nplhaib hlau nplaum zoo li yooj yim xwb. Tiam sis qhov chaw khoob ntawd hloov txhua yam.

Lub zog sib nqus ruaj khov

Nov yog ib qho version uas tau hloov kho dua tshiab uas khaws cov ntsiab lus qub thaum hloov cov qauv thiab cov lus:

Thaum piv rau cov hlau nplaum khov kho, cov hlau nplaum nplhaib muab kev tswj hwm zoo dua thiab kev kwv yees tau ntawm lub zog sib nqus. Lawv lub hauv paus ua rau muaj kev faib tawm ntawm cov hluav taws xob sib npaug, uas yog qhov tseem ceeb rau cov cuab yeej Hall effect sensors thiab cov khoom sib nqus uas xav tau cov zis ruaj khov, rov ua dua.

Piv txwv li, hauv cov encoders rotary, lub nplhaib hlau nplaum multipole tsim cov ncej sab qaum teb-sab qab teb sib hloov ncig nws qhov ncig. Lub sensor nyeem cov kev hloov pauv no los txiav txim siab qhov chaw kaum sab xis. Yog tias lub teb tsis sib npaug, koj lub encoder poob qhov tseeb.

Kev Sib Koom Ua Ke

Qhov chaw yeej ib txwm nruj heev rau cov khoom sib dhos sensor. Nrog lub nplhaib hlau nplaum, koj tuaj yeem ntsia nws rau ntawm lub qhov thaum tseem muaj chaw rau lwm qhov chaw sab hauv. Koj tsis yog tsuas yog ntxiv cov khoom siv ntxiv xwb - koj tab tom tsim lub hlau nplaum rau hauv cov qauv kho tshuab.

Yog vim li ntawd cov hlau nplaum uas muaj nplhaib thiaj li siv tau txhua qhov chaw—txij li cov sensors qhov chaw throttle hauv tsheb mus rau cov servo motors hauv kev lag luam. Lawv daws qhov teeb meem ntawm qhov chaw yam tsis tas yuav tsum tau tsim dua tshiab ntawm tag nrho cov khoom sib dhos.

Thaum ib daim ntawv thov xav tau kev ua haujlwm zoo hauv qhov chaw me me, cov kev daws teeb meem magnetic rau cov sensors feem ntau yog qhov kev xaiv zoo tshaj plaws.

Cov Ntawv Thov Feem Ntau

Cov hlau nplaum uas muaj lub nplhaib tshwm sim ntau qhov chaw dua li feem ntau ntawm cov neeg paub. Nov yog ob peb qhov uas cov yam ntxwv tseem ceeb tiag tiag.

Cov encoders

Hauv cov encoders sib nqus, cov hlau nplaum nplhaib yog cov uas tig kev txav mus los ua cov cim digital. Feem ntau, cov hlau nplaum raug sib nqus nrog ntau tus khub ncej, thiab lub sensor suav cov kev hloov pauv thaum cov hlau nplaum tig.

Qhov teeb meem ntawm no yog qhov tseeb ntawm kev sib nqus. Yog tias cov ncej tsis sib nrug sib npaug, koj lub encoder qhov kev daws teeb meem yuav poob qis. Rau cov ntawv thov siab, koj tab tom saib cov khoom siv sib nqus tshwj xeeb - tsis yog cov khoom seem uas twb muaj lawm.

Cov Txheej Txheem Ua Haujlwm

Hauv cov kab sib dhos ua ke, cov hlau nplaum nplhaib siv rau hauv cov txheej txheem tawm tswv yim, cov pob qij txha robotic, thiab txawm tias cov hloov pauv kev nyab xeeb hlau nplaum. Cov chaw ib puag ncig no tsis zam txim rau. Kev co, kev hloov pauv kub, thiab cov teb hlau nplaum los ntawm cov khoom siv ze tuaj yeem cuam tshuam rau kev ua haujlwm.

Peb tau muaj cov neeg siv khoom pauv cov hlau nplaum sib nqus rau cov qauv siab-coercivity tsuas yog kom lawv lub cev ruaj khov ze ntawm cov khoom siv vuam. Nws yog ib qho ntawm cov ntsiab lus uas tsis tshwm sim hauv theem prototype tab sis dhau los ua qhov tseem ceeb ntawm qhov ntsuas.

Thaum cov kev xav tau yooj yim dua ntawm axial teb koom nrog,daim ntawv thov hlau nplaum cylindricalkuj siv ntau zaus, tshwj xeeb tshaj yog nyob rau hauv cov sensors me me uas tsis xav tau kev teeb tsa lub nplhaib.

Cov Lus Qhia Tseem Ceeb

Thaum peb tham txog cov hlau nplaum nplhaib rau cov sensors, peb qhov ntev tseem ceeb dua li lwm yam.

OD / ID / tuab

Qhov txoj kab uas hla sab nraud txiav txim siab seb koj muaj cov khoom siv hlau nplaum ntau npaum li cas. Qhov txoj kab uas hla sab hauv cuam tshuam rau txoj kev uas lub hlau nplaum txuas rau ntawm tus ncej. Thiab qhov tuab cuam tshuam rau lub zog ntawm lub sensor qhov deb ntawm kev ntes.

Qhov uas ua rau muaj teeb meem yog qhov kam rau ua. Lub nplhaib hlau nplaum uas me ntsis tawm ntawm ID yuav tsis zaum zoo rau ntawm tus ncej. Yog tias nws xoob, koj yuav tau runout. Yog tias nws nruj dhau, koj yuav muaj feem tawg lub hlau nplaum thaum lub sijhawm sib dhos. Feem ntau peb teev cov kam rau ua kom txog li ± 0.05 hli rau cov ntawv thov raug, thiab peb kuaj cov qauv nrog calipers ua ntej pom zoo rau kev tsim khoom.

Kev sib nqus

Qhov no yog qhov uas feem ntau ntawm kev siv zog engineering mus.

Cov hlau nplaum nplhaib tuaj yeem raug magnetized hauv ntau txoj kev sib txawv:
- Axial: ncej ntawm lub ntsej muag tiaj tus
- Kev taw qhia ntawm txoj kab uas hla: sab qaum teb-sab qab teb hla txoj kab uas hla
-Ntau tus ncej: cov ncej sib hloov ncig lub voj voog

Rau cov encoders, multipole magnetization yog tus qauv. Tab sis tus lej ntawm tus ncej yuav tsum phim qhov kev daws teeb meem ntawm lub sensor. Lub nplhaib 32-pole yuav tsis ua haujlwm nrog lub sensor uas xav tias yuav muaj 16 qhov kev hloov pauv ib zaug tshwj tsis yog tias koj kho qhov firmware lossis kev kho teeb liab.

Peb kuj tau pom cov haujlwm qeeb vim tias qhov kev taw qhia magnetization tsis sib haum nrog qhov kev taw qhia ntawm lub sensor. Nws yog ib qho yooj yim, tab sis nws yooj yim kom tsis nco qab thaum qhov kev tsom mus rau qhov ntev thiab lub zog rub.

 

Kev Xav Txog Kev Tsim Khoom

Kev txiav txim cov hlau nplaum rau cov khoom sib dhos sensor yog qhov kev ua si txawv ntawm kev nrhiav cov hlau nplaum tuav rau hauv pem teb khw. Qhov kev kam rau ua yuam kev yog nruj dua, thiab tus nqi ntawm kev ua tsis tiav feem ntau siab dua.

Prototype nrog cov xwm txheej ua haujlwm tiag tiag

Peb ib txwm pom zoo kom kuaj cov qauv hlau nplaum hauv lub tsev sensor tiag tiag, nrog rau cov khoom siv hluav taws xob nyeem tau tiag tiag. Lub nplhaib hlau nplaum uas ua haujlwm zoo ntawm lub rooj zaum yuav ua haujlwm txawv thaum nws raug ntsia ze ntawm cov hlau mounting phaj lossis cov xov hluav taws xob.

Qhia meej txog tus qauv magnetization kom meej

Daim duab kos uas muaj qhov ntev tsis txaus. Koj yuav tsum txhais kom meej tias muaj pes tsawg tus ncej, qhov kev taw qhia ntawm tus ncej, thiab qhov yuam kev ntawm lub kaum sab xis uas tso cai. Yog tias cov no tsis tau sau tseg, koj yuav tsis muaj chaw rau kev txhais lus - thiab qhov ntawd yog qhov uas qhov tsis sib xws tshwm sim.

Xav txog qhov kub thiab txias ua ntej

Feem ntau cov hlau nplaum uas muaj lub nplhaib yuav txav mus rau N35SH lossis cov qib kub zoo sib xws thaum qhov chaw ib puag ncig tshaj 80 ° C. Yog tias koj lub sensor tau teeb tsa ze ntawm lub cev muaj zog lossis hauv lub cav, N42 uas txaus rau kev tsim qauv yuav ua tsis tiav hauv qab kev ntxhov siab ntawm qib ntau lawm.

Nug cov lus nug zoo

Ib tug neeg muag khoom siv hlau nplaum zoo yuav nug txog koj hom sensor, txoj kev teeb tsa, thiab ib puag ncig ua haujlwm. Yog tias lawv tsis ua, qhov ntawd yog lub cim liab. Peb tau muaj cov chaw tsim khoom qhia peb tias "nws tsuas yog lub nplhaib hlau nplaum" kom txog thaum peb taug kev los ntawm daim ntawv thov thiab pom tias lawv xav tau ntau lub magnetization nrog ± 2-degree raug.

 

Ob Peb Yam Yuav Tsum Saib Xyuas

Kev tuav thiab kev cia khoom
Cov hlau nplaum uas muaj nplhaib—tshwj xeeb tshaj yog cov uas loj dua—muaj zog heev. Peb tau pom lawv sib txuas ua ke ntawm ob peb feet deb, ua rau cov hlau nplaum thiab txhua tus neeg nyob ze puas tsuaj. Rau cov khoom tsim tawm ntau, nws tsim nyog npaj seb lawv yuav raug tuav thiab sib nqus li cas tom qab sib dhos.

Cov kev xaiv txheej
Kev siv nickel plating yog ib qho kev xaiv ib txwm muaj, tab sis yog tias koj lub sensor sib dhos raug dej noo, tshuaj tsuag ntsev, lossis tshuaj ntxuav, koj yuav xav tau cov tshuaj epoxy lossis roj hmab. Peb pom qhov no tom qab hloov cov khoom siv uas xeb lawm - tsuas yog rau lub hlis tom qab siv hauv qhov chaw ua haujlwm sab nraum zoov.

Magnetization tom qab sib dhos
Rau cov nplhaib ntau tus ncej, qee zaum nws zoo dua los ua kom muaj hlau nplaum tom qab lub hlau nplaum tau teeb tsa rau hauv lub rooj sib dhos. Qhov no zam kev teeb meem sib dhos thaum lub sijhawm xa khoom thiab ua kom cov ncej nyob rau qhov chaw uas lawv xav tau piv rau lub sensor.

 

Cov Kev Xav Kawg

Cov hlau nplaum uas muaj nplhaib yog ib feem me me ntawm lub rooj sib dhos sensor, tab sis lawv tsis yog khoom muag. Qhov sib txawv ntawm lub sensor uas ua haujlwm tau zoo thiab ib qho uas tsis ua haujlwm hauv daim teb feem ntau yog nyob ntawm seb lub hlau nplaum tau teev tseg zoo npaum li cas - thiab seb cov txheej txheem tsim khoom puas tau xa cov khoom tsim.

Yog tias koj tab tom nrhiav kev los tsim khoom, siv sijhawm los sim cov qauv magnetization, xyuas kom meej qhov loj me, thiab phim qib magnet rau koj qhov chaw ua haujlwm. Kev siv zog ua ntej them rov qab thawj zaug koj xa khoom yam tsis muaj kev ua tsis tiav hauv thaj chaw.