Encoder Applications/Hoisting Machinery
Encoder for Hoisting Machinery
Mlandu wakugwiritsa ntchito kowongolera kosinthika kwa zida zonyamulira zitseko zazitali zazitali zochokera ku Canopen fieldbus.
imodzi.Kufunika kwa zida zonyamulira crane door:
Zofunikira zachitetezo pazida zonyamulira zitseko zikukula kwambiri, ndipo lingaliro lachitetezo choyamba likukhala lofunika kwambiri pakuwongolera.Malinga ndi malamulo, zitseko zazikuluzikulu zopitilira 40 metres ziyenera kukhala ndi njira ziwiri zowongolera zowongolera kuti ziteteze kumanzere ndi kumanja.Ngozi ya gudumu lamakina apakhomo yachoka kwambiri ndipo imaluma njanji kapena kusokoneza.Chifukwa cha zofunikira zachitetezo, mawilo akumanzere ndi kumanja a makina apakhomo amayenera kuwongoleredwa pamagawo angapo.Ndemanga yodalirika ya liwiro, malo ndi zina zambiri zimagwirizana mwachindunji ndi chitetezo ndi kudalirika kwa ulamuliro.Kukhazikika kwa chilengedwe cha zida zonyamulira za crane kumatsimikizira kusankhidwa kwa masensa amtunduwu ndi kutumiza:
1. M'malo ovuta kugwira ntchito pamalopo, otembenuza mafupipafupi, ma motors akuluakulu ndi magetsi apamwamba ndi otsika kwambiri, zingwe zowonetsera nthawi zambiri zimakonzedwa pamodzi ndi zingwe zamagetsi, ndipo kusokoneza magetsi pa malo ndizovuta kwambiri.
2. Kuyenda kwa zida, mtunda wautali wosuntha, zovuta pansi.
3. Mtunda wotumizira chizindikiro ndi wautali, ndipo chitetezo ndi kudalirika kwa deta ya chizindikiro ndipamwamba.
4. Synchronous control imafuna nthawi yeniyeni komanso yodalirika yotumizira zizindikiro.
5. Ambiri a iwo amagwiritsidwa ntchito panja, ndi zofunika kwambiri pa mlingo chitetezo ndi mlingo kutentha, koma mlingo wochepa wa maphunziro ogwira ntchito, ndi zofunika mkulu kulolerana mankhwala.
awiri.Kufunika kwa mtengo wokwanira wokhotakhota wamitundu yambiri pakugwiritsa ntchito zida zonyamulira zitseko:
Pali ma potentiometers, masiwichi oyandikira, ma encoder owonjezera, ma encoder otembenukira kamodzi, ma encoder otembenukira kumitundu yambiri, ndi zina zambiri.Poyerekeza, kudalirika kwa potentiometers ndi otsika , Zosalondola bwino, zone zakufa zomwe zimagwiritsidwa ntchito;Masiwichi oyandikira, masiwichi akupanga, ndi zina zambiri ndizizindikiro zamalo amodzi koma osapitilira;Chizindikiro chowonjezera cha encoder chotsutsana ndi kusokoneza ndichosauka, chizindikiro sichikhoza kufalitsidwa patali, ndipo malo olephera mphamvu amatayika;Encoder yotembenukira kumodzi Itha kugwira ntchito mkati mwa madigiri 360.Ngati ngodya yoyezera ikukulitsidwa ndikusintha liwiro, kulondola kudzakhala kosauka.Ngati ikugwiritsidwa ntchito molunjika mu bwalo limodzi kuti ikwaniritse kulamulira kwa ma lap-mipikisano kupyolera mu kukumbukira, pambuyo pa kulephera kwa mphamvu, idzataya malo ake chifukwa cha mphepo, kutsetsereka kapena kuyenda kochita kupanga.Ndi encoder yamtengo wapatali yokhayo yomwe ingagwiritsidwe ntchito mosamala pazida zokwezera pamakina apakhomo.Sichimakhudzidwa ndi jitter ya kuzimitsa kwa magetsi.Ikhoza kugwira ntchito ndi maulendo ataliatali komanso maulendo angapo.Digitalization yathunthu yamkati, anti-kusokoneza, ndi chizindikiro zitha kuzindikirika.Kutumiza kotetezeka mtunda wautali.Chifukwa chake, pakuwona chitetezo cha zida zokwezera pakhomo, mtengo wathunthu wokhotakhota wamitundumitundu ndi chisankho chosapeŵeka.
Malangizo ogwiritsira ntchito Canopen absolute encoder pazida zonyamulira zitseko
CAN-bus (ControllerAreaNetwork) ndi netiweki yoyang'anira dera, yomwe ndi imodzi mwa mabasi otseguka omwe amagwiritsidwa ntchito kwambiri padziko lonse lapansi.Monga njira yolumikizira maukonde akutali ndiukadaulo wapamwamba, kudalirika kwakukulu, ntchito zonse komanso mtengo wokwanira, CAN-basi yagwiritsidwa ntchito kwambiri pamakina osiyanasiyana owongolera makina.Mwachitsanzo, CAN-bus ili ndi ubwino wosayerekezeka m'magawo osiyanasiyana monga zamagetsi zamagetsi, makina opangira makina, nyumba zanzeru, machitidwe amagetsi, kuyang'anira chitetezo, zombo ndi kutumiza, kuwongolera ma elevator, chitetezo chamoto, zida zachipatala, ndi zina zotero, makamaka pamene zili pakali pano. m'mawonekedwe.Can-Bus ndi njira yolumikizira njanji zothamanga kwambiri komanso kupangira magetsi amphepo.CAN-basi imapangidwa ndikusungidwa ndi mtengo wotsika, kugwiritsa ntchito mabasi apamwamba, mtunda wautali (mpaka 10Km), kuthamanga kwambiri (mpaka 1Mbps), kapangidwe kazinthu zambiri malinga ndi zomwe zimafunikira, komanso kudalirika Kuzindikira zolakwika ndikuwongolera kumalipira kwathunthu kugwiritsa ntchito mabasi amtundu wa RS-485, mawonekedwe a kapolo amodzi, komanso kusazindikira zolakwika za hardware, zomwe zimapangitsa ogwiritsa ntchito kupanga. njira yoyendetsera mabasi yokhazikika komanso yothandiza, zomwe zimapangitsa kuti pakhale phindu lenileni.M'malo ovuta kwambiri ogwiritsira ntchito monga zida zonyamulira, Can-bus ili ndi njira yodalirika yodziwira zolakwika ndi kukonza, ndipo imatha kutumizabe deta bwino ngati pali kusokoneza kwakukulu ndi kukhazikika kosadalirika, ndikudzifufuza kolakwika kwa hardware, The Multi-master. station zitha kukhala zosafunikira kuti zitsimikizire chitetezo cha zida zowongolera.
Canopen ndi njira yotseguka yozikidwa pa basi ya CAN-bus ndipo imayendetsedwa ndi CiA Association.Amagwiritsidwa ntchito kwambiri pamakampani amagalimoto, makina opanga mafakitale, nyumba zanzeru, zida zamankhwala, makina am'madzi, zida za labotale ndi magawo ofufuza.Mafotokozedwe a Canopen amalola kuti mauthenga atumizidwe ndi kuwulutsa., Imathandiziranso kutumiza ndi kulandira deta, ndipo ogwiritsa ntchito amatha kuyendetsa maukonde, kutumiza deta ndi ntchito zina kudzera mtanthauzira mawu a Canopen.Makamaka, Canopen ali ndi mawonekedwe oletsa kusokoneza komanso kugwiritsa ntchito masiteshoni ambiri, omwe amatha kupanga zosunga zobwezeretsera zenizeni za master station ndikuzindikira kuwongolera kotetezeka.
Poyerekeza ndi mawonekedwe ena azizindikiro, kutumiza kwa data kwa Canopen ndikodalirika, kopanda ndalama, komanso kotetezeka (malipoti olakwika a zida).Kuyerekeza kwa mawonekedwe awa ndi zotuluka zina: Chizindikiro chofananira-zigawo zamphamvu zambiri zimawonongeka mosavuta, mawaya ambiri apakatikati amathyoka mosavuta ndipo mtengo wa chingwe ndi wokwera;Chizindikiro cha SSI chotchedwa synchronous serial sign, pamene mtunda uli wautali kapena kusokonezedwa, chizindikiro Kuchedwa kunachititsa kuti wotchi ndi chizindikiro cha deta zisagwirizanenso, ndipo kulumpha kwa deta kunachitika;Profibus-DP mabasi chizindikiro-pansi ndi zofunika chingwe ndi mkulu, mtengo ndi wokwera kwambiri, siteshoni mbuye si selectable, ndipo kamodzi basi kugwirizana pachipata kapena master siteshoni akulephera, Chifukwa ziwalo dongosolo lonse ndi zina zotero.Kugwiritsa ntchito pamwamba pa zida zonyamulira nthawi zina kumatha kupha.Choncho, tinganene kuti chizindikiro cha Canopen ndi chodalirika, chopanda ndalama komanso chotetezeka chikagwiritsidwa ntchito ponyamula zipangizo.
Gertech Canopen absolute encoder, chifukwa cha kutulutsa kwake kwa siginecha yothamanga kwambiri, pakukhazikitsa ntchito, mutha kuyika mtengo wa encoder wa encoder ndi liwiro losinthika kuti litulutse palimodzi, mwachitsanzo, ma byte awiri oyamba amatulutsa mtheradi wa Value angle (ambiri. turns) malo, byte yachitatu imatulutsa kuchuluka kwa liwiro, ndipo yachinayi imatulutsa mtengo wothamangitsa (posankha).Izi ndizothandiza kwambiri pamene zida zonyamulira zimagwiritsa ntchito otembenuza pafupipafupi.Mtengo wothamanga ukhoza kukhala ngati ndemanga ya kutembenuka kwafupipafupi kusinthasintha liwiro, ndipo mtengo wa malo ungagwiritsidwe ntchito ngati malo enieni ndi kuwongolera kalumikizidwe, ndipo ukhoza kukhala ndi maulendo awiri otsekedwa otsekedwa ndi liwiro ndi malo, kuti azindikire malo enieni, kuyanjanitsa. kuwongolera, kuyimitsa magalimoto oyendetsa, kuwongolera malo otetezeka, kupewa kugundana, chitetezo cha liwiro, etc.Zosintha zowongolera zosunga zobwezeretsera zitha kukhazikitsidwa kuseri kwa master controller.Makina owongolera akalephera, wowongolera zosunga zobwezeretsera amatha kuganiza zomaliza Kutetezedwa kwachitetezo ndi kuwongolera zida zonyamulira zitha kuchitika.
Galimoto yayikulu ya zida zonyamulira crane pachitseko imayambika ndikugwiritsidwa ntchito panja.Chingwe cha encoder ndi chachitali, chomwe chimafanana ndi mlongoti wautali.Kutetezedwa kowonjezereka ndi kuwonjezereka kwa mapeto a chizindikiro chamunda ndikofunikira kwambiri.M'mbuyomu, ma encoders ofananira kapena ma encoder owonjezera ankagwiritsidwa ntchito., Pali zingwe zambiri zamakina azizindikiro, ndipo kutetezedwa kwamphamvu kwambiri kwa njira iliyonse kumakhala kovuta kukwaniritsa (mphamvu yamagetsi yomwe imapangidwa ndikuyamba kwa mota yayikulu kapena kugunda kwa mphezi), ndipo nthawi zambiri chizindikiro cha encoder chimakhala ndi doko lamoto;ndipo chizindikiro cha SSI ndi njira yolumikizirana, monga kuwonjezera chitetezo cha Surge wave, kuchedwa kufalitsa ma siginecha kumawononga kulunzanitsa ndipo chizindikirocho sichikhazikika.Chizindikiro cha Canopen ndi chothamanga kwambiri cha asynchronous kapena kufalitsa, chomwe sichimakhudza kwambiri kuyika kwa chitetezo cha opaleshoni.Chifukwa chake, ngati encoder ya Canopen ndi chowongolera cholandila ziwonjezedwa kuchitetezo cha surge overvoltage, zitha kugwiritsidwa ntchito mosamala kwambiri.
Canopen controller PFC
Chifukwa cha chikhalidwe chapamwamba ndi chitetezo cha zizindikiro za Canopen, ambiri opanga PLC ndi opanga olamulira awonjezerapo mawonekedwe a Canopen kuti akwaniritse ulamuliro wa Canopen, monga Schneider, GE, Beckhoff, B & R, etc. Gemple's PFC controller ndi Wolamulira wamng'ono pogwiritsa ntchito mawonekedwe a Canopen. , yomwe imaphatikizapo chigawo cha mkati cha 32-bit CPU, chiwonetsero cha kristalo chamadzimadzi ndi mawonekedwe a makina opangira mabatani, 24-point switch I / O ndi I / O angapo analogi, ndi 2G SD memory card, Ikhoza kujambula mphamvu- pa ndi kutseka, zolemba zochitika za pulogalamu, kuti muzindikire ntchito yojambulira bokosi lakuda, kusanthula kulephera ndi kupewa ntchito zosaloledwa ndi ogwira ntchito.
Kuyambira 2008, opanga PLC amitundu yayikulu otchuka awonjezera mawonekedwe a Canopen posachedwapa kapena akukonzekera kuwonjezera mawonekedwe a Canopen.Kaya mumasankha PLC yokhala ndi mawonekedwe a Canopen kapena chowongolera cha PFC chokhala ndi Gertech, kuwongolera kotengera mawonekedwe a Canopen kudzachotsedwa.Kugwiritsa ntchito zida pang'onopang'ono kwakhala kofala.
zisanu.Mlandu wodziwika bwino
1. Kuwongolera kosinthika kosinthika kwa chonyamulira cha ma cranes a zitseko-Ma encoder awiri a Canopen amtengo wapatali amazindikira kulumikizana kwa mawilo akumanzere ndi kumanja, ndipo chizindikirocho chimatuluka kwa wowongolera mawonekedwe a Canopen kuti afananize ndi kulumikizana kwa PFC.Pa nthawi yomweyo, Canopen mtheradi mtengo encoder akhoza linanena bungwe liwiro mayankho pa nthawi yomweyo , Kupyolera mu wolamulira kupereka inverter kulamulira liwiro, kuzindikira pang'ono kupatuka kuwongolera, lalikulu kupatuka kuwongolera, mopitirira-kupatuka magalimoto ndi amazilamulira ena.
2. Chitetezo cha liwiro - Canopen absolute encoder imatulutsa mtengo wa malo ndi liwiro pa nthawi yomweyo (zotulutsa mwachindunji popanda kuwerengera zakunja), ndipo imayankha mwachangu pachitetezo cha liwiro.
3. Kuwongolera kwachitetezo - Pogwiritsa ntchito mawonekedwe a Canopen a masters angapo, wowongolera wa PFC201 akhoza kukhala zosunga zobwezeretsera pawiri, ndipo wowongolera wachiwiri akhoza kuwonjezeredwa malinga ndi zosowa za ogwiritsa ntchito kuti asunge zosunga zotetezedwa.
4. Ntchito yolemba chitetezo, woyang'anira PFC201 ali ndi 2G SD memory card, yomwe imatha kulemba zochitika (bokosi lakuda) kuti lizindikire kusanthula kulephera ndikuletsa ntchito zoletsedwa ndi ogwira ntchito (chitetezo cha chitetezo cha chitetezo), ndikupeza kulamulira kotetezeka.
5. Poyimitsa magalimoto komanso odana ndi kugwedezeka-Pogwiritsa ntchito mawonekedwe ndi liwiro la Canopen encoder mtheradi nthawi yomweyo, imatha kuzindikira kuwongolera kwapawiri kotseka kwa malo oimikapo magalimoto komanso kutsika pang'onopang'ono, komwe kumatha kuyimitsa liwiro ndi malo opindika. , ndi kuchepetsa kugwedezeka kwa malo okwera pamene mukuyimitsa magalimoto.
6. Chiyambi cha ntchito yofananira:
Guangdong Zhongshan Sea-Crossing Bridge malo omangira malo akulu akulu a gantry crane kukweza zida zowongolera, pafupifupi 60 metres, kutalika kwa gantry crane kupitirira 50 metres, ma sign encoder awiri kupita ku chingwe chowongolera cha PFC kutalika kwa mita 180.Zosankha:
1. Canopen absolute multi-turn encoder—Gertech absolute multi-turn encoder, GMA-C Series CANopen Absolute Encoder, chitetezo grade shell IP67, shaft IP65;kutentha kalasi -25 madigiri-80 madigiri.
2. Canopen Controller—Gertch’s Canopen-based controller: Itha kugwiritsidwa ntchito osati monga chowongolera chachikulu, komanso ngati chowongolera chosunga zobwezeretsera.
3. Canopen sign port surge protector: SI-024TR1CO (ndimomwe tikuyenera)
4. Chizindikiro cha encoder: F600K0206