1, Chii chinonzi encoder
Panguva yekushanda kwe aWorm gearbox N20 DC mota, ma paramita akadai seazvino, kumhanya uye hukama chinzvimbo cheinotenderera shaft inotenderera inotariswa munguva chaiyo kuona mamiriro emuviri wemota nemidziyo iri kudhonzwa, uyezve kudzora mamiriro ekushanda emota nemidziyo munguva chaiyo, nekudaro kuona akawanda mabasa akadai se servo uye kumhanya mutemo. Pano, mashandisirwo eencoder seyekumberi-yekupedzisira yekuyeresa haingorerutsa zvakanyanya sisitimu yekuyera, asi zvakare yakanyatsojeka, yakavimbika uye ine simba. Iyo encoder i sensor inotenderera inoshandura huwandu hwemuviri hwechinzvimbo uye kutamiswa kwezvikamu zvinotenderera kuita zvakatevedzana zvedhijitari pulse masiginecha, ayo anounganidzwa uye anogadziriswa neiyo control system kuti abudise akatevedzana emirairo kugadzirisa uye kushandura mamiriro ekushandisa emidziyo. Kana iyo encoder yakasanganiswa negiya bar kana screw screw, inogona zvakare kushandiswa kuyera chinzvimbo uye kutamiswa kwemutsara unofamba zvikamu.
2, iyo encoder kupatsanura
Encoder basic classification:
Encoder ndeyemakanika uye yemagetsi padhuze musanganiswa weiyo chaiyo yekuyera mudziyo, iyo chiratidzo kana data ichave yakanyorwa, kutendeuka, yekutaurirana, kutumira uye kuchengetedza yechiratidzo data. Zvinoenderana neakasiyana maitiro, encoders akaiswa seanotevera:
● Code disc uye chiyero chekodhi. Iyo encoder inoshandura mutsara wekutamisa kuita chiratidzo chemagetsi inonzi kodhi chiyero, uye iyo inoshandura angular displacement kuita telecommunication icode disc.
● Maekodhi ekuwedzera. Inopa ruzivo rwakadai sechinzvimbo, kona uye nhamba yekutendeuka, uye inotsanangura mwero wakasiyana nehuwandu hwemapunzi pachenu.
● Absolute encoder. Inopa ruzivo rwakadai sechinzvimbo, kona, uye nhamba yekutendeuka mune angular increments, uye imwe neimwe angular increment inopihwa yakasarudzika kodhi.
● Hybrid absolute encoder. Iyo hybrid absolute encoder inoburitsa maviri maseti eruzivo: imwe seti yeruzivo inoshandiswa kuona nzvimbo yepole ine absolute ruzivo ruzivo, uye imwe seti yakangofanana neruzivo rwekubuda kweiyo incremental encoder.
Encoder inowanzoshandiswa mumamotor:
●Incremental encoder
Zvakananga kushandisa photoelectric conversion musimboti kuburitsa matatu seti yesquare wave pulses A, B uye Z. Musiyano wechikamu pakati pemaseti maviri emapulses A uye B ndeye 90o, kuitira kuti kutungamira kwekutenderera kunogona kutongwa nyore; iyo Z chikamu chimwe pulse pa revolution uye inoshandiswa sereferensi poindi yekumisikidza. Zvakanakira: kuvakwa kwakareruka kwemusimboti, avhareji yehupenyu hwemakanika inogona kupfuura makumi ezviuru zvemaawa, yakasimba anti-kupindira kugona, kuvimbika kwakanyanya, uye yakakodzera kutapurirana daro refu. Zvakaipa: kusakwanisa kuburitsa iyo yakakwana chinzvimbo ruzivo rwe shaft kutenderera.
● Absolute encoder
Kune akati wandei concentric kodhi chiteshi padivi peiyo radial kutungamira pane denderedzwa kodhi dhizaini ye sensor, uye yega yega chiteshi inoumbwa nemwenje-inotepfenyura uye isiri-yechiedza-inotepfenyura zvikamu, uye huwandu hwezvikamu zvepadhuze kodhi chiteshi zvakapetwa kaviri, uye nhamba yekodhi chiteshi pane kodhi kodhi ndiyo nhamba yemabhinari manhamba. Kana iyo kodhi ndiro iri munzvimbo dzakasiyana, yega yega photosensitive chinhu chinoshandurwa kune inowirirana nhanho chiratidzo zvinoenderana nechiedza kana kwete, ichigadzira iyo binary nhamba.
Iyi mhando ye encoder inoratidzwa nenyaya yekuti hapana counter inodikanwa uye yakagadziriswa kodhi yedhijitari inoenderana nenzvimbo inogona kuverengwa pane chero chinzvimbo cheiyo rotary axis. Zviripachena, iyo yakawanda kodhi chiteshi, iyo yakakwirira resolution, uye kune encoder ine N-bit binary resolution, iyo kodhi dhisiki inofanirwa kuve neN kodhi chiteshi. Parizvino, kune 16-bit absolute encoder zvigadzirwa muChina.
3, iyo nheyo yekushanda ye encoder
Ne photoelectric code disk ine axis pakati, pane denderedzwa pass uye yakasviba mitsara yakanyorwa pairi, uye kune photoelectric kutumira uye kugamuchira zvigadzirwa kuti uiverenge, uye mapoka mana e sine wave zviratidzo zvinosanganiswa kuva A, B, C uye D. Imwe neimwe sine wave inosiyana ne90 madhigirii chikamu (360 madhigirii maererano ne circumferential mazairiro uye mafungu epamusoro anogona kudzokororwa uye danho reB), uye B. kuwedzera chiratidzo chakagadzikana; uye imwe Z phase pulse inobuda kune yega yega shanduko kumiririra zero chinzvimbo chereferensi chinzvimbo.
Sezvo zvikamu zviviri A neB zvakasiyana nemadhigirii makumi mapfumbamwe, zvinogona kuenzaniswa kuti chikamu A chiri pamberi kana chikamu B chiri pamberi kuona kutenderera kwemberi nekudzosera kumashure kweiyo encoder, uye zero referensi bit ye encoder inogona kuwanikwa kuburikidza ne zero pulse. Encoder code plate zvinhu girazi, simbi, purasitiki, girazi kodhi ndiro inoiswa pagirazi yakatetepa yakavezwa mutsara, kugadzikana kwayo kwekushisa kwakanaka, kwakakwira, simbi kodhi ndiro yakananga kupfuudza uye isina kunyorwa mutsara, kwete isina kusimba, asi nekuti simbi ine humwe ukobvu, iko kurongeka ishoma, kugadzikana kwayo kwekupisa ndiko kurongeka kwehukuru hweplateti yakaderera kupfuura iyo girazi, mutengo weplastic wakaderera kupfuura iyo girazi, mutengo wepurasitiki. kugadzikana kwekupisa, hupenyu hurombo Vamwe.
Resolution - encoder kupa kuti vangani kuburikidza kana nerima mitsara yakavezwa pa 360 madhigirii ekutenderera inonzi resolution, inozivikanwawo seresolution indexing, kana zvakananga kuti mitsetse mingani, kazhinji mumitsetse 5 ~ 10000 per revolution indexing.
4, Chinzvimbo kuyerwa uye mhinduro yekudzora nheyo
Encoder inogara pachinzvimbo chakakosha zvakanyanya muma lifti, maturusi emuchina, kugadzirisa zvinhu, mota mhinduro masisitimu, pamwe nekuyera nekudzora michina. Iyo encoder inoshandisa gireti uye infrared mwenje sosi kushandura chiratidzo chekuona kuita chiratidzo chemagetsi cheTTL (HTL) kuburikidza neanogamuchira. Nekuongorora kuwanda kwechikamu cheTTL uye nhamba yemazinga akakwirira, kona yekutenderera uye nzvimbo yekutenderera yemotokari inoratidzwa nemaziso.
Sezvo kona uye chinzvimbo chinogona kuyerwa nemazvo, iyo encoder uye inverter inogona kuumbwa kuita yakavharwa-loop control system kuita kuti kutonga kuve kwakanyatso, ndosaka ma elevator, maturusi emuchina, nezvimwe zvichigona kushandiswa chaizvo.
5, Pfupiso
Muchidimbu, tinonzwisisa kuti ma encoder akakamurwa kuita kuwedzera uye mhedziso zvinoenderana nechimiro chavo, uye iwo ese anoshandura mamwe masaini, senge masaini masaini, mumagetsi masaini anogona kuongororwa uye kudzorwa. Iwo akajairika elevator uye maturusi emuchina muhupenyu hwedu anoitika kuti anoenderana nekugadziriswa chaiko kwemota, uye kuburikidza nemhinduro yakavharwa-loop kutonga kwechiratidzo chemagetsi, encoder ine inverter zvakare inzira yechisikigo yekuwana chaiyo kutonga.
Nguva yekutumira: Jul-20-2023