Chitsanzo cha makina osinthika a SEW onse-mu-amodzi: MOVIMOT
Ndi okhwima ndi luntha losavuta kuphatikiza reducer, galimoto ndi inverter, ndi osiyanasiyana mphamvu kuchokera 0.37kw kuti 4.0kw. Ngakhale kuphatikizika kwa Converter, MOVIMOT® imafuna malo ochulukirapo kuti akhazikitse kuposa mota yotsika yotsika. Pa nthawi yomweyo, Mabaibulo onse muyezo ndi unsembe malo zilipo, ndi kapena popanda braking, ndi magetsi akhoza kukhala 380V kuti 500V kapena 200V kuti 240V.
Momwe mungasiyanitsire injini yaku Germany SEW kuchokera ku injini yosinthira pafupipafupi
1. Galimoto ya SEW ya ku Germany idapangidwa molingana ndi pafupipafupi komanso voteji nthawi zonse, zomwe sizingagwirizane ndi zomwe zimafunikira pakuwongolera liwiro losintha. Zotsatirazi ndi mphamvu ya frequency converter pa mota
1. Kuchita bwino ndi kukwera kwa kutentha kwa German SEW motor
Kaya mtundu wa inverter, mu ntchito ya voteji harmonic ndi panopa amapangidwa mu madigiri osiyana, kuti galimoto mu sanali sinusoidal voteji, panopa otaya ntchito. Ngakhale kuti deta imayambitsidwa, kutenga inverter ya PWM ya sinusoidal monga chitsanzo, ma harmonic ake otsika kwambiri ndi ziro, ndipo gawo lotsalira la harmonic lotsala pafupifupi kawiri kawiri kawiri kawiri kawiri kawiri kawiri kawiri kawiri kawiri kawiri kawiri kawiri kawiri kawiri kawiri kawiri kawiri kawiri ndi: 2u + 1 (u ndi chiŵerengero cha kusinthasintha).
Ma harmonics apamwamba adzachititsa kuwonjezeka kwa kutayika kwa mkuwa kwa stator yamoto, kutayika kwa mkuwa (aluminium) kwa rotor, kutaya kwachitsulo ndi kutaya kwina. Chifukwa injini ya asynchronous imazungulira pa liwiro lofananira pafupi ndi kuchuluka kwa mafunde oyambira, kutayika kwakukulu kwa rotor kudzachitika pamene voteji yapamwamba kwambiri imadula chowongolera cha rotor ndikutsika kwakukulu. Kuonjezera apo, kugwiritsa ntchito mkuwa wowonjezera chifukwa cha zotsatira za khungu kuyenera kuganiziridwa. Zotayika izi zipangitsa kuti injiniyo itenthe kwambiri, imagwira ntchito bwino, kuchepetsa mphamvu zotulutsa, monga ma mota wamba atatu asynchronous motor yomwe ikuyenda mu inverter linanena bungwe la zinthu sanali sinusoidal mphamvu, kutentha kukwera nthawi zambiri chiwonjezeke ndi 10% -20%.
2. German SEW vuto mphamvu galimoto
Pakali pano chosinthira chaching'ono ndi chapakatikati, ambiri ndikugwiritsa ntchito PWM control mode. Mafupipafupi onyamula ake amakhala pafupifupi ma kilohertz zikwi zingapo mpaka khumi, zomwe zimapangitsa kuti ma motor stator azitha kupirira kukwera kwamagetsi okwera kwambiri, ofanana ndi mota kuti agwiritse ntchito mphamvu yamagetsi yotsika kwambiri, kotero kuti kutchinjiriza kwa mota pakati pa makhoti kupirira kulimba. mayeso aakulu. Komanso, amakona anayi Wowawaza zikhumbo voteji kwaiye German SEW galimoto ndi superimposed pa voteji opaleshoni ya galimoto, amene angabweretse kuopseza kutchinjiriza pansi wa galimoto, ndi kutchinjiriza pansi adzakhala imathandizira kukalamba chifukwa mobwerezabwereza zimakhudza mkulu. Voteji.
3. Phokoso ndi kugwedezeka kwa injini ya German SEW
Pamene wamba wamba waku Germany SEW motor AMAGWIRITSA NTCHITO ma frequency converter kuti apereke mphamvu, kugwedezeka ndi phokoso lobwera chifukwa cha ma elekitirodi, makina, mpweya wabwino ndi zinthu zina zimakhala zovuta kwambiri. Ma harmonics omwe amapezeka mumagetsi osinthika amasokoneza ma harmonics apakati a gawo lamagetsi la mota, kupanga mphamvu zosiyanasiyana zokomera ma elekitiroma. Pamene ma frequency a electromagnetic force wave amagwirizana kapena pafupi ndi kugwedezeka kwachilengedwe kwa thupi lagalimoto, chodabwitsa cha resonance chimachitika, potero chikuwonjezera phokoso. Chifukwa cha kuchuluka kwa ma frequency ogwiritsira ntchito komanso kuchuluka kwa liwiro la mota, ndizovuta kuti mafunde amphamvu amagetsi osiyanasiyana apewe kugwedezeka kwachilengedwe kwa gawo lililonse la mota.
4. Kutha kusintha kwa injini kuti iyambike pafupipafupi komanso mabuleki
Chifukwa pambuyo mphamvu imaperekedwa ndi Germany SEW galimoto, galimoto akhoza pansi pafupipafupi otsika ndi voteji chiyambi, mu mawonekedwe a palibe mphamvu panopa ndi pafupipafupi Converter likupezeka kwa mitundu yonse ya ananyema njira kwa mabuleki mofulumira, kulenga zinthu kuzindikira pafupipafupi. kuyambira ndi braking, ndi makina dongosolo ndi electromagnetic dongosolo la galimoto ndi kufalitsidwa pansi pa zochita za alternating mphamvu, kumabweretsa dongosolo makina ndi kutchinjiriza dongosolo kutopa ndi imathandizira ukalamba vuto.
5. Kuzizira pa liwiro lotsika
Choyamba, kulepheretsa kwa injini ya asynchronous German SEW sikwabwino. Mphamvu yamagetsi ikachepa, kutayika komwe kumachitika chifukwa cha kuchuluka kwa ma harmonic mu mphamvu kumakhala kwakukulu. Kachiwiri, liwiro la injini wamba asynchronous likachepetsedwa, kuchuluka kwa mpweya wozizira kumakhala kofanana ndi gawo lachitatu la liwiro, zomwe zimapangitsa kuti kuzizira kwa injini kukhale koyipa kwambiri, kutentha kumawonjezeka kwambiri, ndipo kumakhala kovuta kupeza nthawi zonse ma torque. Kuwerenga kovomerezeka: mtundu wamagalimoto opulumutsa mphamvu
Ii. Makhalidwe a injini yaku Germany SEW
1. Mapangidwe amagetsi
Kwa injini yaku Germany SEW, magawo akulu amachitidwe omwe amaganiziridwa pakukonzanso ndikuchulukirachulukira, magwiridwe antchito, magwiridwe antchito komanso mphamvu. Pamene chiŵerengero chovuta kwambiri cha slip chimagwirizana mosagwirizana ndi nthawi yamagetsi, kutembenuka kwafupipafupi galimoto kungayambitsidwe mwachindunji pamene chiŵerengero chofunika kwambiri cha slip chili pafupi ndi 1. Choncho, mphamvu yodzaza ndi ntchito zoyambira sizifunikira kuganiziridwa kwambiri, koma chinsinsi. Vuto lomwe likuyenera kuthetsedwa ndi momwe mungasinthire kusinthika kwa injini kupita kumagetsi osagwiritsa ntchito sinusoidal. General njira ndi motere:
1) kuchepetsa kukana kwa stator ndi rotor momwe mungathere.
Kuchepetsa kukana kwa stator kumatha kuchepetsa kutayika kwakukulu kwa mkuwa kuti kulipirire kutayika kwa mkuwa komwe kumayambitsidwa ndi ma harmonic apamwamba.
2) kupondereza ma harmonics apamwamba pakali pano, inductance ya injini iyenera kuwonjezeka moyenera. Komabe, kukana kutayikira kwa rotor groove, kumapangitsa kuti khungu liziyenda bwino komanso kugwiritsa ntchito kwambiri mkuwa. Chifukwa chake, kukula kwa kutayikira kwa mota kuti muganizire za kufananiza kwa impedance pa liwiro lonselo.
3) gawo lalikulu la maginito amagetsi otembenuza pafupipafupi nthawi zambiri amapangidwa mopanda unsaturated. Choyamba, poganizira ma harmonics apamwamba adzakulitsa machulukitsidwe a dera la maginito, ndipo kachiwiri, poganizira kutsika kwafupipafupi, mphamvu yamagetsi yamagetsi afupipafupi iyenera kuwonjezeka moyenerera kuti muwongolere makokedwe ake.
2. Mapangidwe apangidwe
Pamapangidwe ake, mphamvu yamagetsi osagwiritsa ntchito sinusoidal pamapangidwe otsekemera, kugwedezeka ndi kuzizira kwa phokoso la injini ya inverter imaganiziridwa makamaka. Kawirikawiri, mavuto otsatirawa ayenera kutsatiridwa:
1) kalasi ya insulation, yomwe nthawi zambiri imakhala kalasi ya F kapena kupitilira apo, kuti mulimbikitse kutchinjiriza pansi ndi mphamvu yotchinga waya, makamaka, kuganizira za kuthekera kwa kutchinjiriza kupirira voteji.
2) Pazovuta za kugwedezeka ndi phokoso la mota, kulimba kwa zida zamagalimoto ndi zonse ziyenera kuganiziridwa bwino, ndipo ma frequency achilengedwe akuyenera kukulitsidwa kuti apewe kugwedezeka ndi mphamvu iliyonse. Werengani zambiri: ndi zigawo ziti zazikulu zamagawo atatu asynchronous motor
3) Njira yozizirira: nthawi zambiri, mpweya wokakamiza umagwiritsidwa ntchito poziziritsa, ndiye kuti, chowotcha chachikulu chozizira chamoto chimayendetsedwa ndi mota yodziyimira payokha.
4) Njira zopewera shaft pano. Kwa ma mota omwe ali ndi mphamvu yopitilira 160KW, njira zokhala ndi zotsekera ziyenera kutengedwa. Makamaka n'zosavuta kupanga maginito dera asymmetry, komanso akhoza kutulutsa kutsinde panopa, pamene zina mkulu pafupipafupi zigawo zikuluzikulu kwaiye panopa pamodzi ndi kanthu, kutsinde panopa adzakhala kwambiri kuchuluka, kumabweretsa kuwonongeka, choncho zambiri kutenga kutchinjiriza miyeso.
5) Kwa injini yamagetsi yosinthika pafupipafupi, liwiro likapitilira 3000 / min, mafuta apadera osamva kutentha ayenera kugwiritsidwa ntchito kubwezera kutentha kwa mayendedwe.
SEW imakhala ndi chubu chowonjezera mpweya wabwino komanso machubu a jakisoni aerator yokhala ndi mota yotsitsa, zomwe sizimangolepheretsa valavu yolowera mpweya kuti isatseke, komanso imathandizira kukonza. Makina opukutira ndi oyamwa ndi chida chapadera cha thanki yosungiramo matope ndi thanki ya sedimentation. Kiyi yaukadaulo: kapangidwe kamangidwe ndikukakamiza kuwerengera mlatho; Kukonza mlatho ndi kusankha ndi kukonza mtanda chimango ndi scraper; Kutsimikiza kwa mphamvu yoyendetsa galimoto; Kapangidwe ka mipiringidzo ya gridi yoyima ndi makonzedwe a pansi pa dziwe; Kukonzekera kwa njira yochepetsera; Kugubuduza chitetezo ndi zodziwikiratu, kuyimika magalimoto ndi makina PLC kuwongolera basi. Main luso magawo: kunja m'mphepete liwiro mzere: 1m/mphindi ~ 2m/min.
Njira yopanga makina osinthika amitundu yonse mumodzi
Mtundu wogwiritsiridwa ntchito umakhudzana ndi luso la injini, makamaka kapangidwe ka kutentha kwa thupi la inverter motor ndi bokosi lowongolera.
Ukadaulo wakumbuyo:
Muukadaulo womwe ulipo, ukadaulo wowongolera pafupipafupi umagwiritsidwa ntchito kwambiri kuwongolera magwiridwe antchito agalimoto kuti apititse patsogolo magwiridwe antchito. Tekinoloje yomwe ilipo mubokosi lowongolera imayikidwa pa bokosi la motor terminal, chifukwa injiniyo imakhala ndi fan yoziziritsa ya motor ontology yodzazidwa ndi mpweya kuti iwonetsetse kudalirika kwagalimoto yothamanga, ndi bokosi lowongolera, palibe njira zoziziritsira zofanana, motero zimakhudza kwambiri moyo wautumiki wa wowongolera, ngati chowongolera chagalimoto chimalumikizidwanso ndi makina oziziritsira mafani akuzizira, monga kuchuluka kwa mota miniaturization kapena zovuta kutsimikizira mtengo wokwera kwambiri.
Kuzindikira zaukadaulo:
Cholinga cha mtundu wogwiritsa ntchito ndikupereka makina osinthika amtundu uliwonse kuti apititse patsogolo kuziziritsa kwa wowongolera ndikuchepetsa kuchuluka kwa gulu lamoto.
Kuti akwaniritse cholinga pamwambapa, kutengera luso chiwembu: mtundu wa makina pafupipafupi kutembenuka, kuphatikizapo galimoto thupi ndi ntchito kulamulira PCB masanjidwe unit wolamulira bokosi thupi, kumbuyo mapeto chivundikiro cha galimoto thupi chivundikirocho ali okonzeka ndi chipewa champhepo, chowongolera Zikhazikiko mu mpanda wa bokosi la thupi ndi bokosi lowongolera ndikuphimba khoma la chishango champhepo lomwe limapangidwa pakati pa njira zowulutsira mpweya, bokosi lowongolera pa shaft yamoto kupita kumapeto chakumbuyo kwa chivundikiro chamkati ndi makonzedwe pakati pawo ali ndi chopondera champhepo, chofotokozedwa. mu dzenje lapakati lotsegulira mphepo, gawo lozizirira limapereka mpweya wopita kumapeto kwa chivundikiro cha chishango cha mphepo ndikudutsa mu dzenje.
Poyerekeza ndi ukadaulo womwe ulipo, luso lachitsanzo lothandizira ndi motere: gulu lonse la bokosi lowongolera lili mukuyenda kwa njira yoyendetsera mpweya, kuwongolera kwambiri wowongolera bokosi la bokosi, kuzizira komanso kuziziritsa kumapereka mpweya pakati pawo. chivundikiro ndi chivundikiro champhepo pambuyo pakuyenda kupita ku chimango chamoto choziziritsa fin ontology yamoto kuti muziziritsa, chepetsani kuchuluka kwa ma frequency conversion motor Assembly.
Zojambula zowonjezera zimawonekera
CHITH. 1 ndi chithunzi chadongosolo lonse lachitsanzo chothandizira.
Njira yeniyeni yoyendetsera
Njira zothandizira zimafotokozedwanso mwatsatanetsatane kuphatikiza ndi FIG. 1 apa.
Ndipo makina osinthira pafupipafupi amaphatikizapo motor ontology 10 ndipo amagwiritsidwa ntchito powongolera PCB masanjidwe a unit controller box body 20, the ontology of 10 motor motor end chivundikiro 11 ali ndi chivundikiro champhepo 40, ndipo bokosi lowongolera limayikidwa pachivundikiro champhepo 40 ndi bokosi loyang'anira mkati mwa 20 ndi chivundikiro cha mphepo 40 chishango choyendera khoma chopangidwa pakati pa 42, 20 bokosi la bokosi lolamulira mu shaft yamoto mpaka kumapeto kwa chivundikiro chapakati 11 makonzedwe apakati ndi makonzedwe pakati pawo ali ndi mphepo deflector 50, yofotokozedwa mkatikati mwa mphepo deflector. Bowo 50 lotseguka ndi 51, gawo loziziritsa limapereka mpweya kuchokera pachivundikiro champhepo 40 chivundikiro pansi 41 kulowa ndikudutsa mu dzenje ndi 51.
Zomwe zili pamwambapa, bokosi loyang'anira bokosi lokhazikitsidwa mu chivundikiro champhepo 40 ndi bokosi lowongolera mkati mwa 20 ndi chivundikiro cha mphepo 40 chishango cha khoma loyenda chopangidwa pakati pa 42, pakangotha mabokosi 20 owongolera bokosi ndi chivundikiro chomaliza pali makonzedwe amphepo pakati pa 50. , kotero kuti gawo loziziritsa limapereka mpweya wotuluka kuchokera pachivundikiro cha chishango cha mphepo kulowa pansi ndikudutsa mu dzenje ndi 51, bokosi lonse la bokosi la 20 liri mu njira yodutsa mpweya, ndikuwongolera kwambiri 20 kuzizira kwa thupi la bokosi, ndi Chipinda chozizirirapo chimapereka mpweya wotuluka pakati pa chivundikiro chomaliza pambuyo pa 11 ndi chivundikiro cha mphepo 40 chimango chamtundu wa zotumphukira ontology 10 pa mota kuti uziziziritsa, kuchepetsa kuchuluka kwa ma frequency conversion motor Assembly.
Chigawo chozizira chimakhala ndi choponderetsa cha 30 pakati pa chivundikiro chakumbuyo chakumbuyo 11 ndi mbale yoyang'ana kutsogolo 50, ndipo chowongolera chamoto 12 chimalumikizidwa ndi dzenje la shaft impeller 30 kudzera pachivundikiro chakumbuyo chakumbuyo 11. Mwachindunji kudutsa shaft shaft 12 mpaka perekani mphamvu kwa 30 fani impeller, kuti 30 fani impeller XNUMX popanda makina owonjezera mphamvu, osati kungopulumutsa mphamvu, kuchepetsanso kuchuluka kwa ma frequency frequency motor.
Pofuna kugwirizanitsa kugwirizana pakati pa waya wotsogolera 13 ndi wolamulira, pamwamba pa bolodi la galasi 50 ndi perpendicular kwa axial malangizo a injini, ndipo m'mphepete mwa galasi 50 amagwirizanitsidwa ndi khoma la 42 la windshield. 40. Bwalo loyang'ana kutsogolo 50 limaperekedwa ndi kusiyana 52. Mpata 52 ndi khoma lamkati la galasi 40 limapanga njira ya waya wotsogolera 13 wa thupi la galimoto 10 kuti adutse.
Bokosi la bokosi la 20 limakhazikitsidwa ndi kugwirizanitsa chipika 24 ndi khoma la hood 42 la windshield 40. Pamwamba pa mbali ziwiri zotsutsana za thupi la bokosi la olamulira 20, pansi pa bokosi, bokosi lapamwamba la 21 ndi 22 ndi perpendicular kwa axial. njira ya injini. Maonekedwe a bokosi lowongolera 20 ndi lophatikizika kwambiri mkati mwa windshield 40, yomwe imatha kuchepetsa kutalika kwa 40 kutsogolo kwa axial ya mota. Maonekedwe a radiator fin 23 amatha kupititsa patsogolo kutentha kwa bokosi lowongolera 20.
Kuti muwonetsetse kuziziritsa kwa thupi la mota 10, chowongolera chakutsogolo 40 chili ngati silinda ndipo chimalumikizidwa ndi mabawuti okhala ndi chipika cha convex 111 chokonzedwa mozungulira 11 chakumbuyo chakumbuyo kwagalimoto.
