Encoder Applications/Hoisting Machinery
Encoder rau Hoisting Machinery
Daim ntawv thov cov ntaub ntawv ntawm synchronous kho tswj ntawm loj-span qhov rooj crane nqa khoom raws li Canopen fieldbus.
ib.Qhov tshwj xeeb ntawm qhov rooj crane lifting khoom:
Cov kev xav tau kev nyab xeeb ntawm lub qhov rooj crane nqa cov cuab yeej tau dhau los ua qhov tseem ceeb, thiab lub tswv yim ntawm kev nyab xeeb ua ntej tau dhau los ua qhov tseem ceeb hauv kev tswj hwm.Raws li cov kev cai, qhov loj-span qhov rooj cranes siab tshaj 40 meters yuav tsum tau nruab nrog dual-khiav synchronous kho tswj los tiv thaiv sab laug thiab txoj cai ob-kawg.Kev sib tsoo ntawm lub qhov rooj tshuab lub log yog dhau lawm thiab gnaws cov khiav los yog txawm derails.Vim muaj kev ruaj ntseg, sab laug thiab sab xis ob lub log ntawm lub qhov rooj tshuab yuav tsum tau tswj ntawm ntau lub ntsiab lus.Cov lus qhia txhim khu kev qha ntawm kev ceev, txoj haujlwm thiab lwm yam ntaub ntawv ncaj qha cuam tshuam rau kev nyab xeeb thiab kev ntseeg siab ntawm kev tswj.Qhov tshwj xeeb ntawm ib puag ncig ntawm cov khoom siv nqa crane txiav txim siab qhov tshwj xeeb ntawm kev xaiv ntawm cov teeb liab sensors thiab kev sib kis:
1. Nyob rau hauv lub complex ua hauj lwm nyob rau hauv qhov chaw, zaus converters, loj motors thiab siab thiab tsis tshua muaj voltage fais fab mov systems, teeb liab cables feem ntau teem ua ke nrog fais fab kab, thiab hluav taws xob cuam tshuam ntawm qhov chaw yog heev loj.
2. Cov cuab yeej txav tau yooj yim, txav mus ntev, nyuaj rau hauv av.
3. Lub teeb liab kis tau tus mob ntev ntev, thiab kev nyab xeeb thiab kev ntseeg siab ntawm cov ntaub ntawv teeb liab yog siab.
4. Synchronous tswj yuav tsum muaj siab real-time thiab txhim khu kev qha teeb liab kis tau tus mob.
5. Ntau yam ntawm lawv yog siv rau sab nraum zoov, nrog rau cov kev xav tau siab rau kev tiv thaiv qib thiab qhov kub thiab txias, tab sis qib qis ntawm kev cob qhia cov neeg ua haujlwm, thiab cov kev xav tau siab rau cov khoom kam rau ua.
ob.Qhov tseem ceeb ntawm tus nqi tseeb multi-tig encoder hauv daim ntawv thov ntawm qhov rooj crane nqa khoom:
Muaj cov potentiometers, qhov sib thooj keyboards, incremental encoders, ib zaug tig tsis meej encoders, multi-turn absolute encoders, thiab lwm yam.Hauv kev sib piv, kev ntseeg siab ntawm potentiometers yog qhov tsawg, qhov tseeb tsis zoo, qhov chaw tuag hauv kev siv lub kaum sab xis;Qhov sib thooj keyboards, ultrasonic keyboards, thiab lwm yam yog tsuas yog ib qho taw tes taw tes taw qhia tab sis tsis tas li;Incremental encoder teeb liab los tiv thaiv kev cuam tshuam tsis zoo, lub teeb liab tsis tuaj yeem kis tau los ntawm kev deb, thiab lub zog tsis ua hauj lwm poob;Ib-tig nkaus encoder Nws tuaj yeem ua haujlwm tsuas yog hauv 360 degrees.Yog tias lub kaum sab xis ntsuas tau nthuav dav los ntawm kev hloov qhov nrawm, qhov tseeb yuav tsis zoo.Yog tias nws siv ncaj qha rau hauv ib lub voj voog kom ua tiav ntau lub voj voog tswj los ntawm kev nco, tom qab lub zog tsis ua haujlwm, nws yuav poob nws txoj haujlwm vim cua, zawv zawg lossis dag zog.Tsuas yog tus nqi tiag tiag multi-tig encoder tuaj yeem siv yam xyuam xim hauv cov khoom siv hoisting ntawm lub qhov rooj tshuab.Nws tsis cuam tshuam los ntawm lub zog hluav taws xob jitters.Nws tuaj yeem ua haujlwm nrog kev mus ntev thiab ntau qhov chaw.Sab hauv tag nrho digitalization, tiv thaiv kev cuam tshuam, thiab teeb liab kuj tuaj yeem ua tiav.Kev xa mus ntev-kev nyab xeeb.Yog li ntawd, los ntawm qhov kev xav ntawm kev nyab xeeb ntawm lub qhov rooj hoisting khoom, tus nqi tiag tiag multi-tig encoder yog ib qho kev xaiv inevitable.
Daim ntawv thov kev pom zoo ntawm Canopen absolute encoder hauv qhov rooj crane nqa khoom
CAN-bus (ControllerAreaNetwork) yog lub chaw tswj hwm cheeb tsam network, uas yog ib qho ntawm cov tsheb loj tshaj plaws qhib hauv ntiaj teb.Raws li cov chaw taws teeb tswj kev sib txuas lus nrog cov thev naus laus zis siab, kev ntseeg siab, ua tiav cov haujlwm thiab tus nqi tsim nyog, CAN-bus tau siv dav hauv ntau lub tshuab automation.Piv txwv li, CAN-tsheb npav muaj qhov zoo sib xws hauv ntau qhov chaw xws li automotive electronics, machinery tsis siv neeg, lub tsev ntse, lub zog hluav taws xob, kev saib xyuas kev ruaj ntseg, nkoj thiab shipping, elevator tswj, hluav taws xob kev nyab xeeb, khoom siv kho mob, thiab lwm yam, tshwj xeeb tshaj yog thaum nws yog tam sim no. nyob rau hauv qhov teeb meem.Can-Bus yog cov qauv teeb liab uas nyiam tshaj plaws rau kev tsheb ciav hlau ceev thiab cua tshuab hluav taws xob.CAN-bus yog tsim thiab tswj nrog tus nqi qis, kev siv tsheb loj, kev sib kis ntev (txog 10Km), kev sib kis ceev ceev (txog li 1Mbps), ntau tus qauv tsim raws li qhov tseem ceeb, thiab txhim khu kev qha Cov kev ua yuam kev thiab kev ua haujlwm ua haujlwm tau them nyiaj rau cov tsoos RS-485 network kev siv tsheb npav tsawg, ib tus tswv-tus qhev qauv, thiab tsis muaj kev kho vajtse yuam kev tsis txaus, ua rau cov neeg siv tsim. ib qho chaw ruaj khov thiab muaj txiaj ntsig kev tswj xyuas tsheb npav, ua rau muaj txiaj ntsig ntau tshaj plaws.Nyob rau hauv ib puag ncig harsher daim ntawv thov xws li lifting cov cuab yeej, Can-bus muaj ib tug txhim khu kev qha teeb liab yuam kev nrhiav kom tau thiab ua mechanism, thiab tseem muaj peev xwm xa cov ntaub ntawv zoo nyob rau hauv cov ntaub ntawv ntawm muaj zog cuam tshuam thiab unreliable grounding, thiab nws hardware yuam kev nws tus kheej-check, Multi-master. chaw nres tsheb tuaj yeem rov ua dua kom muaj kev nyab xeeb ntawm cov khoom siv tswj.
Canopen yog txoj cai qhib raws li lub tsheb npav CAN thiab tswj hwm los ntawm CiA Association.Nws yog tsuas yog siv nyob rau hauv lub tsheb kev lag luam, industrial machinery, ntse tsev, khoom kho mob, marine machinery, kuaj cov cuab yeej thiab kev tshawb fawb teb.Lub Canopen specification tso cai rau cov lus xa los ntawm kev tshaj tawm., Nws kuj txhawb nqa taw tes-rau-taw tes xa thiab tau txais cov ntaub ntawv, thiab cov neeg siv tuaj yeem ua kev tswj hwm network, xa cov ntaub ntawv thiab lwm yam haujlwm los ntawm Canopen cov phau ntawv txhais lus.Tshwj xeeb, Canopen muaj cov yam ntxwv ntawm kev cuam tshuam los cuam tshuam thiab ntau tus tswv chaw nres tsheb daim ntawv thov, uas tuaj yeem tsim cov chaw nres tsheb tiag tiag redundancy thaub qab thiab paub txog kev nyab xeeb dua.
Piv nrog rau lwm cov ntaub ntawv teeb liab, Canopen cov ntaub ntawv xa mus yog ntau txhim khu kev qha, kev lag luam, thiab kev nyab xeeb dua (cov khoom siv yuam kev tshaj tawm).Kev sib piv ntawm cov yam ntxwv no nrog rau lwm cov khoom tso tawm: Parallel tso zis teeb liab-ntau lub zog hluav taws xob ntau dhau tau yooj yim puas, ntau cov tub ntxhais xov hlau tau yooj yim tawg thiab cov nqi cable yog siab;SSI tso zis teeb liab-hu ua synchronous serial teeb liab, thaum qhov kev ncua deb ntev los yog cuam tshuam, lub teeb liab ncua sij hawm ua rau lub moos thiab cov ntaub ntawv teeb liab tsis tau synchronized, thiab cov ntaub ntawv dhia tshwm sim;Profibus-DP tsheb npav teeb liab-grounding thiab cable yuav tsum siab, tus nqi siab dhau lawm, tus tswv chaw nres tsheb tsis xaiv, thiab thaum lub tsheb npav txuas lub rooj vag lossis chaw nres tsheb tsis ua haujlwm, Ua rau tuag tes tuag taw tag nrho thiab lwm yam.Kev siv saum toj no hauv cov khoom nqa nqa tej zaum yuav ua rau tuag taus.Yog li ntawd, nws tuaj yeem hais tias Canopen teeb liab muaj kev ntseeg siab dua, kev lag luam thiab kev nyab xeeb dua thaum siv cov khoom nqa nqa.
Gertech Canopen absolute encoder, vim nws cov teeb liab ceev ceev tso zis, nyob rau hauv qhov chaw ua haujlwm, koj tuaj yeem teeb tsa lub encoder qhov tseeb lub kaum sab xis tus nqi thiab tus nqi sib txawv ntawm qhov ceev kom tso tawm ua ke, piv txwv li, thawj ob bytes tso tawm tus nqi lub kaum ntse ntse (ntau tig) txoj hauj lwm, qhov thib peb byte outputs tus nqi ceev, thiab plaub byte outputs tus nqi acceleration (yeem).Qhov no yuav pab tau heev thaum cov khoom nqa nqa siv zaus converters.Tus nqi nrawm tuaj yeem ua raws li cov lus qhia ntawm kev hloov pauv ceev ceev, thiab txoj haujlwm tus nqi tuaj yeem siv tau raws li qhov tseeb qhov chaw thiab synchronization tswj, thiab nws tuaj yeem muaj ob txoj hlua kaw ntawm kev ceev thiab txoj haujlwm, kom paub meej qhov chaw, synchronization tswj, chaw nres tsheb los tiv thaiv sway, tswj cheeb tsam nyab xeeb, tiv thaiv kev sib tsoo, kev tiv thaiv ceev ceev, thiab lwm yam, thiab Canopen lub cim tshwj xeeb ntawm ntau tus tswv tuaj yeem paub txog qhov rov qab rov qab ntawm qhov chaw nres tsheb ntawm tus tswj tau txais.Cov kev tswj hwm thaub qab tuaj yeem teeb tsa tom qab tus tswj hwm tus tswv.Thaum tus tswv tswj qhov system tsis ua haujlwm, tus tswj hwm thaub qab tuaj yeem xav tias qhov kawg Kev tiv thaiv kev nyab xeeb thiab kev tswj xyuas cov khoom nqa nqa tuaj yeem ua tiav.
Lub cev muaj zog loj ntawm lub qhov rooj crane nqa khoom yog pib thiab siv sab nraum zoov.Lub teeb liab encoder cable ntev, uas yog sib npaug rau lub kav hlau txais xov ntev.Lub surge thiab overvoltage tiv thaiv ntawm lub teb teeb liab kawg yog ib qho tseem ceeb heev.Yav dhau los, parallel signal encoders lossis incremental encoders tau siv., Muaj ntau lub teeb liab tub ntxhais cables, thiab surge overvoltage tiv thaiv ntawm txhua channel yog ib qho nyuaj rau ua tiav (surge voltage generated los ntawm qhov pib ntawm ib tug loj lub cev muaj zog los yog ib tug xob laim ntaus), thiab feem ntau lub encoder teeb liab muaj qhov chaw nres nkoj burnout;thiab SSI teeb liab yog ib qho kev sib txuas ua ke sib txuas, xws li ntxiv kev tiv thaiv yoj yoj Surge, teeb liab kis tau tus mob ncua sij hawm rhuav tshem cov synchronization thiab cov teeb liab tsis ruaj khov.Lub teeb liab Canopen yog high-ceev asynchronous los yog tshaj tawm kis tau tus mob, uas tsis muaj ntau yam cuam tshuam rau kev nkag ntawm lub surge protector.Yog li ntawd, yog hais tias tus Canopen encoder thiab tus txais kev tswj tau ntxiv rau lub surge overvoltage protector, nws yuav siv tau ntau yam xyuam xim.
Canopen maub los PFC
Vim yog qhov zoo tshaj plaws thiab kev nyab xeeb ntawm Canopen cov cim, ntau PLC cov tuam txhab thiab cov tuam txhab tswj tau ntxiv Canopen interfaces kom ua tiav Canopen tswj, xws li Schneider, GE, Beckhoff, B&R, thiab lwm yam. Gemple's PFC maub los yog ib qho me me raws li Canopen interface. , uas suav nrog 32-ntsis CPU chav tsev, cov kua siv lead ua kua thiab cov txiv neej-tshuab interface rau kev teeb tsa cov nyees khawm, 24-point hloov I / O thiab ntau yam analog I / O, thiab 2G SD daim npav nco, tuaj yeem kaw lub zog- nyob rau thiab kaw, cov ntaub ntawv kev tshwm sim, kom paub txog lub thawv dub kaw muaj nuj nqi, tsis ua hauj lwm tsom xam thiab tiv thaiv kev ua txhaum cai los ntawm cov neeg ua haujlwm.
Txij li xyoo 2008, PLC cov tuam txhab lag luam ntawm cov npe nrov nrov tau tsis ntev los no tau ntxiv Canopen interface lossis npaj yuav ntxiv Canopen interface.Txawm hais tias koj xaiv PLC nrog Canopen interface lossis PFC maub los nrog Gertech, kev tswj raws li Canopen interface yuav raug tshem tawm.Kev siv cov cuab yeej siv tau maj mam dhau los ua qhov tseem ceeb.
tsib.Cov ntaub ntawv thov
1. Synchronous deviation kho rau lub carriage ntawm lub qhov rooj cranes-Ob Canopen kiag li tus nqi multi-tig encoders ntes lub synchronization ntawm sab laug thiab txoj cai log, thiab cov teeb liab tawm mus rau lub Canopen interface maub los rau PFC synchronization piv.Nyob rau tib lub sijhawm, Canopen tus nqi encoder tuaj yeem tso tawm cov lus qhia ceev tib lub sijhawm, Los ntawm tus maub los muab inverter ceev tswj, paub txog kev hloov pauv me me, kev hloov pauv loj, kev nres tsheb ntau dhau thiab lwm yam kev tswj.
2. Kev tiv thaiv ceev ceev-Canopen absolute encoder outputs txoj hauj lwm tus nqi thiab ceev tus nqi nyob rau tib lub sij hawm (cov zis ncaj qha yam tsis muaj kev xam sab nraud), thiab muaj cov lus teb sai rau kev tiv thaiv ceev.
3. Kev ruaj ntseg redundancy tswj-Siv Canopen's multi-master redundancy feature, PFC201 maub los yuav ua tau dual-redundant thaub qab, thiab tus thib ob maub los tau ntxiv raws li cov neeg siv xav tau kev ruaj ntseg thaub qab.
4. Kev ruaj ntseg cov ntaub ntawv muaj nuj nqi, PFC201 maub los muaj 2G SD daim npav nco, uas tuaj yeem sau cov xwm txheej (lub thawv dub) kom paub txog kev ua tsis tiav thiab tiv thaiv kev ua haujlwm tsis raug cai los ntawm cov neeg ua haujlwm (cov ntaub ntawv pov thawj kev nyab xeeb), thiab ua tiav kev tswj kom nyab xeeb.
5. Chaw nres tsheb qhov chaw thiab tiv thaiv swaying-Siv txoj hauj lwm thiab ceev tso zis yam ntxwv ntawm Canopen absolute encoder nyob rau tib lub sij hawm, nws muaj peev xwm paub lub dual kaw-voj tswj ntawm qhov chaw nres tsheb thiab qeeb deceleration, uas yuav tsum tau nres qhov ceev thiab txoj hauj lwm nkhaus. , thiab txo lub viav vias ntawm qhov taw tes nqa thaum nres tsheb.
6. Kev taw qhia txog kev thov ib txwm:
Guangdong Zhongshan Hiav Txwv Hla Choj siv qhov chaw loj-ntev gantry crane hoisting khoom synchronous kho tswj, txog 60 meters ncua, gantry crane qhov siab tshaj 50 meters, ob lub teeb liab encoder rau PFC maub los cable tag nrho ntev ntawm 180 meters.Yeem:
1. Canopen absolute multi-turn encoder-Gertech absolute multi-tig encoder, GMA-C Series CANopen Absolute Encoder, tiv thaiv qib plhaub IP67, ncej IP65;kub qib -25 ℃ -80 ℃.
2. Canopen Controller-Gerch's Canopen-based maub los: Nws tuaj yeem siv tsis yog raws li tus maub los tseem ceeb, tab sis kuj yog tus tswj hwm rov qab.
3. Canopen teeb liab chaw nres nkoj surge protector: SI-024TR1CO (pom zoo)
4. Encoder teeb liab cable: F600K0206