Iyini indlela eyisisekelo kanye nendlela yokubala yesisindo samakhanda amaningi?

Umbhali: Smartweigh– Isisindo Sezinhloko Eziningi

Kuyini isikali samakhanda amaningi? Iyini isimiso esiyisisekelo sesikali samakhanda amaningi somkhiqizo we-elekthronikhi? Isikali samakhanda amaningi siwuhlobo lwesikali sama-elekthronikhi esilinganiswa ngamadivayisi kagesi. Enqubweni yokukhiqiza kwezinye izitshalo zokukhiqiza, isikali samakhanda amaningi sinokwabelana ngemakethe ethile kanye nobubanzi obuhlukile bokusetshenziswa ekuthengisweni kwayo emakethe. Isikali samakhanda amaningi siwumshini wokulinganisa ukudla oqhubekayo.

Ukusebenza kwangempela esimweni sokungabi nesisindo kwenziwa esilungwini, okungafinyelela ukulingana okuphezulu kokudla. Inqubo yonke yesistimu yokulinganisa kagesi iyachazwa, isilungwini siyisakhiwo esivaliwe, futhi ukuvikelwa kwemvelo akunawo ukungcola. Kusetshenziswa kabanzi ekuthuthweni, ekulinganisweni nasekuhlolweni kwezinto zokusetshenziswa ezihlanganisiwe nezimpuphu ezifana nemboni yensimbi nensimbi, ukuhlobisa izinto zokwakha, njll.

Iyini isimiso esiyisisekelo sesikali semikhiqizo ye-elekthronikhi esinezinhloko eziningi? Umqondo oyisisekelo wokulinganisa nokuhlola isikali se-multihead system se-elekthronikhi ukugoqa ibhini lokukala kanye nokondla okukala ndawonye, ​​ngaleyo ndlela kuholele ebangeni eliphelele phakathi kokondla ibhini kanye nokondla. Ukubekwa kwayo yonke inqubo yesikali se-multihead kwenziwa ebangeni eliphelele leseli lomthwalo. Xhuma imishini yokulinganisa nokuhlola ehlukene kanye nemishini ngokuya ngezinto zokusetshenziswa ezingenayo neziphumayo ukuze kulondolozwe ibanga eliphelele lesilo kanye nesakhiwo sendawo yokusekela isilo.

Isisindo esiphelele sesilo esinezinhloko eziningi siqondiswa futhi siqhutshwa yisofthiwe yeselula yesofthiwe yokulinganisa nokuphonsa ukuthola. Ngokusho kokunciphisa isisindo esiphelele sesilo, esimweni esingenasisindo, isofthiwe yeselula yesofthiwe yesistimu yokondla nokuchoboza izokala njalo nangokunembile isilo sokondla, iqhathanise isilo sokondla namapharamitha okulawula, ilawule isivinini sokujika, futhi iqinisekise ukuthi isembozo sokondla sifana namapharamitha okulawula. . Ukusebenza kwangempela kokondla kwenziwa njalo kuze kube yilapho isisindo esiphelele sesitsha sokukala sifinyelela kumapharamitha okulawula aphansi asethiwe.

Uma kufinyelelwa amapharamitha okulawula umkhawulo ophansi, i-valve yokondla ephezu kwezinto ezikalayo izovulwa ngokuphelele, futhi izinto zizofakwa esilingweni sokukala. Amapharamitha okulawula umkhawulo, uhlelo lokondla luzocinywa, futhi umjikelezo omusha wokusebenza wesimo esingenasisindo uzoqala nje. Phakathi nenqubo yonke yokwakha ifektri yekhabhoni yenkampani, isofthiwe yesistimu yokuhlanganisa ngokuzenzakalelayo iyisofthiwe yeselula ebalulekile yokusebenza kwangempela kwesofthiwe yesistimu yokulinganisa nokuthola, elimaza kakhulu ikhwalithi kanye nezinkomba zokwelashwa kwe-anodizing efektri yekhabhoni. Ingqikithi yayo yakhiwe ngezikali ezintathu zokunciphisa isisindo kanye nezikali ezine zebhande likagesi (ukuzibiza).

Ngokusho kocwaningo olukhuthele, imisebenzi yokuzijwayeza umphakathi kanye nocwaningo lwesayensi lwezinhlobo ezintathu zezikali zamakhanda amaningi, uBian Xiao unolwazi nokuqonda okulula kwezikali zamakhanda amaningi. Isihluthulelo lapha ukwethula imiqondo eyisisekelo kanye nezindlela zokubala zokulinganisa nokuthola izikali zamakhanda amaningi ngendlela elula nenemininingwane, futhi uthuthukise ndawonye nawo wonke umuntu. 1. Ukwakhiwa nokwakheka.

Isikali samakhanda amaningi ngokuvamile sakhiwe yizingxenye eziyinhloko ezifana nesango lamanzi okondla, ibhini lokukala, imishini yokuxuba, imishini yokondla kanye nemishini, irakhi yamakhadi omsindo wangaphandle, inzwa yokukala kanye nokulinganisa nokuhlola imishini kanye nemishini yokusebenza kwangempela. 1. Isango lamanzi okondla. Isango le-hydraulic lomshini wokunyathelisa we-hydraulic lisetshenziselwa ukondla isilo sokukala, i-globe valve, i-butterfly valve, i-globe valve, njll.

ngokuvamile ikhethwa. Ngokuvamile, okubalulekile yimingcele yayo yobuchwepheshe, njengezici zokuvala, ukuhlanganiswa kweswishi yamandla eyinhloko, iziswishi ezingaqhumi ngokushesha nangokuzinzile, njll. 2. Izikhundla zokulinganisa.

Izitsha zokulinganisa ziyizinto zokulinganisa izinto zokusetshenziswa. Ukukhethwa kwezinto zokusetshenziswa kufanele kucabangele ukumelana nokugqwala kanye nokumelana ne-asidi. Umthamo wazo ukhethwa ngokwenani lokudla lemizuzu emi-3 ngaphansi kokugeleza okuphelele kokudla okuphelele, futhi isikhathi sokudla kufanele sibheke ingxenye enkulu kakhulu kuyo yonke inqubo yokulinganisa, cishe u-10%.

3. Imishini yokuxuba. Isihluthulelo semishini yokuxuba ukusiza ukuthululwa kwezinto zokusetshenziswa ngokujikeleza kwegazi okungekuhle, okuvame ukwakhiwa yinjini elula yokushayela ingalo ephula ungqimba oluhlangene ne-spiral auger blade noma amazinyo ezipikili. Kuye ngokuzungeza kwengalo ephula ungqimba, izinto ezivame kakhulu ukuphuka ungqimba kanye nemigodi yamagundane zingafakwa ngempumelelo endaweni yokungena.

1. Isango lokuphakelwa kwamanzi; 2. Ibhokisi lokukala; 3. Iseli lokulayisha. 4 Irekhi yamakhadi omsindo angaphandle 5 Imishini yokuxuba 6 Imishini yokondla kanye nemishini. 4. Imishini yokondla kanye nemishini.

Imishini yokondla isetshenziselwa ukukhipha nokulinganisa izinto zokusetshenziswa zefayibha yamakhemikhali esiseleni. Ngokwezici zezinto zokusetshenziswa ezizothuthwa kanye nendawo ehlukene yezwe, kungakhethwa ama-screw conveyor, ama-impeller feeder, ama-vibrating feeder kanye nama-belt feeder. Ezindaweni eziningi zokusetshenziswa, ama-screw conveyor angcono kuneminye imishini yokondla evaliwe, engakwazi nje ukuthutha izinto zokusetshenziswa ngokulinganayo, kodwa futhi ivimbele ukundiza nokuqhuma kwezinto zokusetshenziswa eziyimpuphu.

5. Isibambi sekhadi lomsindo sangaphandle. Irekhi yekhadi lomsindo langaphandle liyi-fulcrum yeminye imishini yomshini, futhi iseli lomthwalo lifakwe phezu kwalo.

6. Iseli lokulayisha. Iseli lokulayisha liyingxenye ebalulekile yesisindo se-multihead weigher. Ngokuvamile, inzwa yokucindezela enamandla ene-resistor enesinqumo esiphezulu isetshenziselwa ukuguqula isignali yesisindo se-net yezinto zokusetshenziswa ibe yisignali yedatha yedivayisi kagesi. 7. Uhlelo lokulinganisa nokulawula ukuthola.

Ukusebenza kwangempela kwemishini yokulinganisa nokuhlola kwakhiwe yikesi elihlakaniphile lokulinganisa amakhanda amaningi kanye nohlelo lokulawula oluzenzakalelayo oluzenzakalelayo. Ngaphezu kwalokho, isiteshi kanye nembobo yokondla yesikali samakhanda amaningi kufanele ngokuvamile kusebenzise ukuxhumana okuthambile, okumelana nokungcola kanye nomoya okungenisa umoya kanye nokuhambisa umoya ukuqinisekisa ukuthi ukuxhumana phakathi kwesikali sokugcina kanye nemishini ngemva kwesehlakalo akuvimbeli ukulinganisa. Isikali sebhasi sesisikali samakhanda amaningi kanye nedivayisi yokondla elungisekayo efakwe ngaphansi kwayo kutholakala kuseli yomthwalo exhunywe esakhiweni sekhadi lomsindo langaphandle.

Okwesibili, isimiso esiyisisekelo. 1. Izisekelo. Njengoba kuboniswe esithombeni, isikali samakhanda amaningi senza ukuhlolwa kwe-metrological ngokusekelwe emcabangweni oyisisekelo wokulawula umonakalo wesisindo ngesikhathi sokusebenza.

Okokuqala, kala imishini yokondla bese ukala isitokwe sendawo yokugcina impahla. Ngokusho komonakalo wesisindo esiphelele ngesikhathi seyunithi, izinga lokondla elibekwe yizinga lokondla elithile liyaqhathaniswa, bese kusetshenziswa imishini yokondla nemishini, ukuze izinga lokondla elithile licabangele ngokunembile imingcele yokulawula kusukela ekuqaleni kuze kube sekupheleni. Phakathi nenqubo yonke yokondla esikhathini esifushane, imishini yokondla nemishini isebenzisa amandla okusebenzisana ukwenza izimpawu zokulawula ezigcinwe ezigabeni eziphakathi nezakamuva zomsebenzi ukuze zenze imisebenzi yangempela ngokomqondo oyisisekelo wohlobo lwevolumu.

Uhlelo lwe-Load Spectrum. 2. Inqubo yonke yokukala. Isisindo esiphelele sezinto zokusetshenziswa ezisebhinini lokukala siguqulwa sibe isignali yedatha yedivayisi kagesi ngokuya ngeseli lomthwalo, elidluliselwa ebhokisini lokulinganisa elinamakhanda amaningi.

Ikesi lesisindo samakhanda amaningi liqhathanisa isisindo esilinganisiwe sezinto zokusetshenziswa zokusetshenziswa namanani omkhawulo aphezulu naphansi asethiwe wesisindo esilinganisiwe, futhi lilawula umnyango we-hydraulic wokudla ngokusho kwe-PLC ukuze unikeze izinto zokusetshenziswa zokusetshenziswa ngezikhathi ezithile endaweni yokugcina isisindo. Ngaphezu kwalokho, ikesi lesisindo samakhanda amaningi liqhathanisa izinga lokudla elithile elilinganisiwe (ukuphuma okuphelele) nezinga lokudla elilinganisiwe, futhi lisebenzisa ukulungiswa kwe-PID ukuze lisebenzise imishini yokondla kanye nemishini ukwenza izinga lokudla elithile. Amapharamitha okulawula angalandelelwa ngokunembile. Lapho umnyango womshini we-hydraulic wokudla uvulwa futhi izinto zifakwa esilingweni sokukala, isignali yokulawula ivala izinga lokudla bese iqala ukuvulwa kwevolumu.

Iphaneli yokulinganisa enezinhloko eziningi ibonisa ulwazi ngesilinganiso sokuphakelwa esithile kanye nesisindo esiphelele sezinto zokusetshenziswa ezikhishwe. Umdwebo weskimu wesekethe yokunikezwa kwamandla okusebenza. 3. Ukubalwa kwesilinganiso sokuphakelwa.

Izinga lokuphakelwa (umkhiqizo ophelele) wesikali samakhanda amaningi yinani lomonakalo wesisindo esiphelele ngesikhathi seyunithi ngayinye, okubonisa ngokwemfundiso okulandelayo: MT=dG/dt.MT uhlobo lwesilinganiso sokusika. DG - Inani lokubhujiswa kwesisindo esiphelele. dt - isikhathi sokulinganisa esinembile.

Izinga lokuphakelwa ngaphansi kwesimo sokubonisa icala lesisindo samakhanda amaningi lingabalwa ngale ndlela elandelayo. MT=n(dβ*d1)/(tdte) Ekubalweni kwefomula, d——Ulwazi lokubonisa Okuqukethwe kolwazi ecaleni lesisindo samakhanda amaningi kubonisa inani lelebula. N——Imvamisa yokuguquka ebonisiwe.

D1——isisombululo sangaphakathi esiyingxenye yesisindo samakhanda amaningi——Inani lenkomba yephutha lokulinganisa, ngokuvamile β=0.6Td——Umjikelezo wokulinganisa oqondile. Te——Inani lenkomba ngesizathu sephutha lesikhathi, ngokuvamile te=0.001. 4. Ukubalwa kwesisindo esiphelele.

Esikhathini sesistimu yomjikelezo ophelele onemininingwane, isisindo esiphelele se-Gq sesisindo samakhanda amaningi siqukethe izingxenye ezimbili, okungukuthi isisindo esiphelele se-VA sekesi lesisindo samakhanda amaningi esisetshenziselwa ukuhlolwa nokugcinwa kwe-metrological kanye nebhini lokukala elingakaze lihlolwe i-metrological ngesikhathi sokudla. Isisindo esiphelele se-VD sentambo. Gq=VA+VD.VA=(VH+￡H)-(VL-￡L)VD=MTL*tF. Lapho i-VH——Inani eliphezulu lomkhawulo wesisindo esiphelele sezinto zokusetshenziswa ezikubhini lokukala. VD——Inani eliphansi lomkhawulo wesisindo esiphelele sezinto zokusetshenziswa ezikubhini lokukala.

£H——Isizathu sephutha enanini elicacisiwe lokulinganisa isisindo esiphelele. £L——Isizathu sephutha enanini elicacisiwe lokulinganisa ngaphansi kwesisindo esiphelele. I-MTL——Izinga lokuphakela elikhiyiwe ngesikhathi sokudla.

TF - Isikhathi sokudla. Izinga lokudla elikhiyiwe i-MTL lisaboniswa yi-k net weight display value eshintshiwe ngomzuzwana: MTL=K(dβ*d1)/(1te) Isikhathi sokudla sincike ekugelezeni kokudla okuphelele kwesango le-hydraulic le-feeder hydraulic press MF, MF≈10mttf=va/MF. Isikhathi esiphelele yi-te=tF+td.

Ukugeleza okumaphakathi kungu-Mq=Gq/tn. Isisindo esiphelele ngaleso sikhathi u-t=0-TN singabalwa ngokuqongelela njalo isisindo esiphelele sezinto ezisikiwe emjikelezweni ngamunye. 5. Imiphumela.

Kwezinye izinhlobo zemishini yokukala kanye nemishini yemishini, ngokuvamile ngenxa yokubophana kwezinto zokusetshenziswa, ukushintsha kwezinga lokushisa kweseli yomthwalo kubangela ushintsho lwesisindo se-tare, okubuye kunciphise ukunemba kwesistimu. I-multihead weigher isivele ixazulule leli phutha, futhi akulula ukunciphisa ukunemba kwesisindo ngenxa yokushintsha kwezinga lokushisa. Isizathu silula kakhulu.

Ukulinganisa okunembile kwesilinganiso sokudla kwe-multihead weiger kusekelwe ekwehlukeni kwesisindo esiphelele, hhayi isisindo esiphelele. Ngakho-ke, i-#multihead weiger inethuba elibanzi kakhulu lokusetshenziswa ohlelweni lokuthuthwa kwezinto zokusetshenziswa zefayibha ezenziwe ngabantu.

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