Ta yaya na'urar auna nauyi mai yawa ke aiki? (ƙa'ida)

Mawallafi: Smartweigh– Nauyin Kai Mai Yawa

Na'urar auna nauyi mai yawa wata na'ura ce da ke canza kuzarin motsi daga hanya ɗaya zuwa wata. Musamman ma, na'urar auna nauyi mai yawa wata na'urar firikwensin ƙarfi ce da ke canza kuzarin injiniya (kamar ƙarfin tallafi, raguwa, matsin aiki ko karfin juyi) zuwa siginar lantarki waɗanda za a iya auna su daidai. Ƙarfin matsi na siginar bayanai yana canzawa tare da ƙarfin matsi na ƙarfin fitarwa.

Akwai nau'ikan na'urorin auna nauyi guda uku na asali bisa ga siginar bayanai na fitarwa: na'urar auna nauyi ta hydraulic, pneumatic da kuma na'urar auna juriya. Nau'in na'urar auna nauyi da aka fi amfani da shi a masana'antu shine na'urar auna nauyi mai yawa tare da na'urar auna nauyi a ciki. Na'urar auna nauyi mai yawa ta strength mauring ta ƙunshi jikin ƙarfe mai ƙarfi (ko "babban sashi mai laushi") wanda ke gyara na'urar auna juriya.

Gabaɗaya ana yin ginin ne da aluminum, carbon steel ko bakin karfe, wanda hakan ke sa shi ya yi ƙarfi sosai amma yana da ƙarfi sosai. Halayyar na'urar auna nauyi mai yawa tana canzawa kaɗan lokacin da aka yi amfani da sikelin, amma tana komawa ga siffarta ta asali a ko'ina, sai dai idan nauyi ne. Domin a mayar da martani ga canjin siffar jiki, na'urar auna juriya kuma tana canza kamanninsa.

Wannan kuma yana haifar da canjin juriya na ma'aunin juriya, wanda za'a iya auna shi daidai azaman canjin ƙarfin lantarki na aiki. Saboda irin waɗannan canje-canje a cikin fitarwa suna da alaƙa mai kyau da nauyin da aka saki, ana iya tantance nauyin abin daga canjin ƙarfin lantarki na aiki. Ta yaya ma'aunin kan multihead yake aiki? Don amsa "Ta yaya ma'aunin kan multihead yake aiki?" dole ne da farko ku fahimci "Ta yaya ma'aunin juriya ke aiki?" Ma'aunin juriya na aiki na'ura ce da ke auna canjin juriya daidai lokacin da aka saki ƙarfi.

Na'urar auna juriya ta yau da kullun ta ƙunshi raga mai kyau ta waya, wacce aka saita a cikin tsarin grid, wanda ke sa juriyar waya ta canza lokacin da aka saki ƙarfin juriyar tare da axis ɗaya. Akwai nau'ikan ma'aunin juriya iri-iri da za a zaɓa daga ciki: Ma'aunin juriya ta layi: Layin wutar lantarki da aka haɗa da bayan ma'aunin juriyar yana daidai da gefen ma'aunin juriyar. Ana amfani da wannan don auna ƙarfin juriyar radial da lanƙwasa daidai.

Ma'aunin juriyar yankewa: Layukan wutar lantarki da aka haɗa da bayan ma'aunin juriyar an shimfida su a ɓangarorin biyu na firam ɗin matsin lamba na aiki a daidai kusurwar 45o. Ana amfani da wannan don auna juriyar yankewa daidai. Ana amfani da ma'aunin juriyar yankewa gabaɗaya tare da adadi mai yawa na ma'aunin juriyar don inganta daidaito.

Ana kiran ma'aunin juriyar ƙarfin lantarki na dijital ɗaya da ake kira quarter bridge, ana kiran ma'aunin juriyar ƙarfin lantarki na dijital guda biyu da half bridge, kuma ana kiran ma'aunin juriyar ƙarfin lantarki guda huɗu da cikakken bridge. Canjin juriyar ƙarfin lantarki na juriya ba iri ɗaya bane da auna batirin da za a iya caji a cikin ƙarfin tallafi. Nisa tsakanin matsin lamba yana sa ma'aunin juriyar ya yi laushi da tsayi, yana ɗaga juriyar.

Ƙarfin matsewa yana rage kauri na ma'aunin ma'aunin ma'aunin juriya kuma yana rage juriya. An haɗa ma'aunin ma'aunin juriya zuwa siririn baya (maƙallin da aka gyara), wanda nan da nan aka haɗa shi da ma'aunin nauyi, yana ba ma'aunin ma'aunin juriya damar jin ƙarfin ma'aunin ma'aunin kai mai yawa. Canjin resistor ɗin da aka auna daidai da ma'aunin ma'aunin juriya guda ɗaya ƙanƙanta ne, kusan 0.12°.

Jin daɗin kayan aiki yana ƙaruwa da adadin ma'aunin matsin lamba da aka saki. Hanya mai kyau ta mayar da wannan ƙaramin canji zuwa wani abu da za a iya tunanin shine haɗa su kamar gadoji masu auna nauyi na Smart. Nau'ikan ma'aunin matsin lamba na juriya Ma'aunin matsin lamba na juriya an shimfida su a cikin yanayi daban-daban, kuma gaskiyar magana tana cikin nau'in ƙarfin da aka auna daidai.

Ana auna nau'in lanƙwasawa, nau'in yankewa, nau'in radial, ƙarfin juyi da matsin aiki daidai ta amfani da tsari na musamman na ma'aunin juriya. Da'irar gadar nauyi mai wayo tana da resistors guda huɗu masu daidaita daidaito kuma tana amfani da ƙarfin lantarki mai aiki da aka sani, kamar yadda aka nuna a ƙasa: 5 shine ƙarfin lantarki mai ƙarfi da aka sani kuma VO an auna shi daidai. Idan duk resistors sun daidaita, yana nufin cewa R1/R2R3/R4 sannan VO sifili ne.

Idan akwai canji a ɗaya daga cikin ƙimar juriya, za a sami canji mai haifar da VO, wanda za a iya auna shi daidai kuma a bayyana shi ta amfani da dokar Ohm. Dokar Ohm ta jaddada cewa adadin wutar lantarki (I, a cikin amperes) da ke ratsa ta hanyar mai sarrafa wutar lantarki tsakanin maki biyu yana da alaƙa mai kyau da ƙarfin lantarki mai aiki (V) tsakanin maki biyu. An gabatar da Resistor (R, wanda aka auna daidai a cikin ohms) azaman ma'anar canji a cikin wannan haɗin gwiwa kuma ba shi da alaƙa da kwararar wutar lantarki.

An bayyana dokar Ohm a cikin dabarar I=V/R. Idan aka yi amfani da shi a kan takardu guda 4 na da'irar wutar lantarki ta Smart weigh gadar, daidaiton da aka samu sune: A cikin na'urar aunawa mai yawa, ana maye gurbin wannan juriya da ma'aunin juriya wajen maye gurbin ƙarfin tallafi da kuma ma'aunin daidai na raguwa. Lokacin da aka saki ƙarfin zuwa batirin da za a iya caji, masu juriya a cikin kowane ma'aunin juriya suna canzawa kuma ana auna VO daidai.

Daga bayanan da aka samu, ana iya ƙayyade VO cikin sauƙi ta amfani da tsarin lissafin da ke sama.

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