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Rikitar da Yarda a Maimaitar Zamanar Tummarra

Oliver Watts
Oliver Watts
فیلڈ: Bincike da Bincike
China

Zaɓi daɗi mai koyarwa a tashin rilay ta lokaci ya bukatar hanyoyi masu inganci don haɗa da abubuwa mai zurfi. Kafin koyarwa, dogara model na rilay, parametolin da aka saka da su, da yanayin yadda ake yi, cewa tana ƙarfafa tsuman jiki a 20±5°C da tsakiyar zafi a 85%RH. Yadda kan tushen lokaci mai kyau (resolusi 0.001s), maimaitaccen gagarun (wuyar ƙaramin 1%), take na masu ƙananan (da ita ce ma'a rating mai girma), da multimeter digit.

Kyauta tushen lokaci da kuma maimaitaccen gagarun, haka kuɗi cewa wuya na zaman lafiya ita ce ±0.5%. Sanya rilay a bangaren lafiya da ƙarin hanyoyi na daga biyu zuwa birnin kontrol da koyarwa don haɗa da ƙaramin girmama. Bayyana lokacin da za a yi - kamar 5s, 30s, 60s - a matsayin matakin bayani. Samun gagarun da aka saka a ci gida da takarda da kuma amfani da tushen lokaci don rubuta tushen lokaci daga ci gida har zuwa girman takarda. Yi waɗannan koyarwa kadan har zuwa baya biyar.

Wani muhimmiyar hanyo shine koyarwar yanayin takarda. Amfani da kungiyar optocoupler don haɗa da ƙaramin ƙwarewa. Idan takarda ta ci gida, fitaccen optocoupler ya faru tushen lokaci; idan ta zama, ya ƙare tushen lokaci. Don rilayai na ƙarfin solid, kafofiton ƙaramin kudaden ƙarfin semikonduktori da ƙarin samar da 0.5Ω don samun lokacin da ake yi daidai.

time relay.jpg

Bayyana wuya na koyarwa ta hanyar absolute da relative error. Misali, idan lokacin da ake saka shi ne 10s da koyarwar 10.12s, 10.09s, da 10.15s, maka wuya mai yawa shi ne 0.15s da relative error 1.5%. Daga IEC 61812, rilayai masu asalin sauƙi suna da wuya mai lokaci ≤±2%, da rilayai masu sauƙi na ƙasar ≤±0.5%. Idan ba a cikin hanyar, duba ƙaramin gagarun, ƙaramin girmama, ko ƙaramin zamantakewa.

Amfani da sabbin karamin inganta a yankunan dabam: inganta +0.3% kafin jiki ya zama 10°C, da amfani da ƙarin hanyoyi na daga biyu a cikin yankunan dabam mai kyau. Don rilayai na digital da multi-range timing, bayyana ƙaramin girman takarda a duk yankunan, musamman ƙaramin wuya a matsayin lokacin da ake yi daidai. Takarda suna da yawan raw data, bayanai masu yankunan, da kuma ingantarwa.

Tsari na kyauta ke ƙunshi yadda ake amfani: kafin ake amfani har shekaru, kafin ake amfani har shekaru. Daɗe bayanai masu tarihi don haɗa da tushen bayanai da kuma tabbatar da ƙaramin girmama. Idan ana iya ƙaramin girmama, kara ƙaramin resistors na ƙarfin ko kuma ƙarin rubuta coding na mikrokontrola, sannan koyarar uku don tabbatar da inganta. Bayanai na koyarwar lokacin ya zama da koyarwa da malami mai kyau da kuma technician, da kuma sauka ta a shekaru biyar.

Ba da kyau kuma kara mai rubutu!
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Aika tambaya
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