Ivalvu yokulawula imoto sisixhobo esisebenzisa i-motor yombane ukuze isebenze. Ibonelela ngolawulo oluzenzekelayo okanye olukude lokuhamba kolwelo. Le valve ibalulekile ekugcineni ulawulo oluchanekileyo kwiinkqubo ezahlukeneyo. Abaqhubi bayisebenzisela ukulawula ulwelo kunye neegesi ngokufanelekileyo, ukuphucula ukusebenza kakuhle.
Izinto ezibalulekileyo ekufuneka ziqwalaselwe
- Iivalvu zokulawula iimoto zisebenzisa i-motor yombane ukulawula ngokuzenzekelayo indlela ulwelo kunye neegesi ezihamba ngayo. Oku kunceda iinkqubo zisebenze ngcono kwaye zikhuseleke ngakumbi.
- Ezi valve zibonelela ngolawulo oluchanekileyo lokuhamba kolwelo. Zibalulekile kwimizi-mveliso nakwizakhiwo ukuze zigcine izinto ezifana nobushushu kunye noxinzelelo zilungile.
- Iivalvu zokulawula iimoto zineendawo ezifana ne-actuator kunye nee-sensors. Ezi ndawo zisebenza kunye ukuhambisa ivalvu ngokuchanekileyo kunye nokunika ingxelo ngendawo ekuyo.
Yintoni iValve yoLawulo lweeMoto?
Ukuchaza iiValvu zoLawulo lweeMoto
Ivalvu yokulawula imota imele isixhobo esinobuchule sokulawula ukuhamba kolwelo. Ngokuyintloko isebenzisa imota yombane ekusebenzeni kwayo. Le moto inika amandla okuvula okanye ukuvala indlela yangaphakathi yevalvu. Le ndlela yokusebenza iyahlula kakhulu kwiivalvu ezifuna ukungenelela ngesandla. Izinto ezilawula ulwelo ngaphakathi kwivalvu yokulawula imota zihlala zifana nezo zifumaneka kwiivalvu ezisetyenziswa ngesandla. Nangona kunjalo, imota yongeza umaleko wokuzenzekela kunye nokuchaneka.
Injini yombane iqhuba indlela ephucukileyo ngokusebenzisa uloliwe wegiya. Le ndlela iphambili iguqulela ukujikeleza kwenjini kwintshukumo efunekayo yevalvu. Indlela ethile engaphambili iyahluka ngokuxhomekeke kuhlobo lwevalvu. Kwiivalvu zokuhamba ezithe nkqo, ezifana neevalvu zesango, i-sluice, okanye iglobe, indlela ye-lead screw mechanism idla ngokuphakamisa okanye iwise ipleyiti yesango okanye ibeke iplagi enciphileyo. Ngokwahlukileyo koko, iivalvu ezijikelezayo okanye ezijika ngekota, kuquka iivalvu zebhola kunye neebhabhathane, zihlala zisebenzisa indlela ye-cam okanye ye-spindle advance mechanism ephakathi. Olu yilo luvumela ukusebenza ngokukhawuleza. Ukuthintela ukuqhubela phambili kakhulu kunye nomonakalo onokubakho, iivalvu zolawulo lwemoto ziquka imida yombane. Le mida inqumla umbane wemoto xa ivalvu ifikelela kwindawo yayo evulekileyo okanye evaliweyo ngokupheleleyo. Indlela yemoto emva koko ijika emva kohlengahlengiso olulandelayo, ukuqinisekisa ulawulo oluchanekileyo kunye nobude bexesha.
Kutheni Usebenzisa Ivalvu Yokulawula Imoto?
Imibutho ikhetha ivalvu yokulawula imoto ngezizathu ezininzi ezivakalayo, ikakhulu ezigxile kwi-automation, ngokuchanekileyo, kunye nokusebenza kude. Ezi valve zibonelela ngolawulo oluphezulu lokuhamba kolwelo xa kuthelekiswa nezinye iindlela ezenziwe ngesandla. Zivumela indawo echanekileyo, nto leyo ebalulekileyo kwiinkqubo ezifuna amazinga athile okuhamba okanye uxinzelelo. Oku ngokuchanekileyo kunciphisa inkunkuma kwaye kuphucula ukusebenza kwenkqubo.
Ukwenziwa kwezinto ngokuzenzekelayo yenye inzuzo ephambili. Abaqhubi banokuzicwangcisa ezi valves ukuze ziphendule kwiingeniso zesensor okanye kwiziganeko ezicwangcisiweyo, nto leyo enciphisa isidingo sokujongwa rhoqo ngabantu. Olu buchule luphucula ukusebenza kakuhle kwaye lukhulula abasebenzi kweminye imisebenzi. Ulawulo olukude lukwabonelela ngeenzuzo ezibalulekileyo. Iinjineli zinokulungisa izikhundla ze valve ukusuka kwigumbi lolawulo eliphakathi, nokuba kumgama omde. Olu phawu luphucula ukhuseleko ngokugcina abasebenzi kude neendawo ezinobungozi. Ngaphezu koko, ukusebenza rhoqo nokuphindaphindwayo kwe valve yolawulo lwe motor kunegalelo ekuthembekeni okukhulu kwenkqubo kunye nokuzinza. Iqinisekisa ukuba iinkqubo zihamba kakuhle kwaye ziqikelelwa kwangaphambili, nto leyo ebalulekileyo kwizicelo zoshishino kunye nezorhwebo.
Indlela iValve yoLawulo lweeMoto esebenza ngayo
Indlela Yokusebenza Kwevalvu Yokulawula Imoto
Injini yombane inika amandla ivalvu yokulawula imoto. Le moto iguqula amandla ombane abe yintshukumo yoomatshini. I-actuator yombane ifumana isignali yokulawula evela kwinkqubo yolawulo ephakathi. Ngokusekelwe kwesi signali, imoto yombane engaphakathi kwi-actuator iqhuba icandelo loomatshini. Eli candelo linokuba yigiya, isikrufu, okanye enye indlela. Njengoko imoto ijikeleza, iguqula amandla ombane abe ngamandla oomatshini. La mandla oomatshini emva koko alungisa indawo yevalvu. Le nkqubo isebenza ngokufanelekileyo ivalvu.
Iindidi ezahlukeneyo zeemoto zombane zisebenza ngale njongo. Uhlobo olunye oluqhelekileyo yimoto evalekileyo ngokupheleleyo enekheji yesquirrel. Ezi moto zincinci kwaye zinika i-torque enkulu. Zikwanayo namandla aphantsi okuxinana kunye nomlinganiselo wokufakwa kwe-insulation weklasi ye-F. Iiswitshi zokukhusela ubushushu obugqithisileyo ezakhelwe ngaphakathi zithintela umonakalo. Kwii-actuators ze-electro-hydraulic, imoto iqhuba ipompo ye-hydraulic ngaphakathi kwe-hydraulic loop evaliweyo. Le nhlanganisela yemoto kunye nepompo ikhokela ioyile kwindawo oyifunayo. Oku kwenza kube lula ukulawula iivalvu ze-automation zekota-turn.
Imiqondiso yokulawula iqondisa ezi actuators. Ii-actuators zihlala zisebenzisa ulawulo lwe-3-point. Zikwaphendula kwimiqondiso ye-analog, efana ne-0–10 V okanye i-4–20 mA. Iinkqubo zeFieldbus zibonelela ngenye indlela yokudlulisela isignali. Ezi miqondiso zixelela imoto ngokuchanekileyo indlela yokuhambisa ivalvu.
Izinto ezibalulekileyo zeValve yoLawulo lweeMoto
Ivalvu yokulawula imoto inamacandelo aliqela abalulekileyo. Ezi ziquka i-actuator, umzimba wevalvu, kunye ne-positioner. Izinzwa zempendulo nazo zibalulekile. I-actuator igcina imoto yombane kunye nendlela eshukumisa ngayo ivalvu. Umzimba wevalvu uqulethe iindawo zangaphakathi ezisebenzisana ngokuthe ngqo nolwelo.
Iindlela zokuphendula ziqinisekisa indawo echanekileyo kunye nolawulo.
- Izinzwa zokusondela ezivuselelayozii-sensors ezingezizo ezonxibelelwano. Zisebenzisa i-oscillator ukwenza amasimi e-electromagnetic. Xa isinyithi esiqhubayo sisondela, siyayinciphisa intsimi, sitshintshe i-voltage. Isekethe ye-trigger iguqula oku kube yisignali yedijithali evula/ecimayo. Ezi sensors zibonisa indawo yevalvu.
- Izinzwa zokusondela kweHoloikwasebenza ngaphandle kokuthintana. I-transistor yeHall iguqula i-Hall sensing ibe yisignali yedijithali evuliweyo/ecinyiweyo. Ilinganisa umgama ukusuka kumhlaba wemagnethi ukuya kwiphini yokubonisa kwisiqu sevalvu. Oku kubonisa indawo yevalvu, ingakumbi kwiivalvu zebhabhathane.
- Izinzwa zeNamurzii-sensors ze-DC ezikufutshane ezineentambo ezimbini. Zihlala zisetyenziswa kwiindawo ezinobungozi ukubonisa indawo yevalvu. Zitshintsha i-impedance xa ithagethi yesinyithi isondela, nto leyo enciphisa ukutsalwa kwamandla. Oku kubangela i-galvanic isolator, nto leyo ebonelela ngesignali yokukhupha yedijithali evuliweyo/ecinyiweyo kwinkqubo ye-PLC.
Ezi zixhobo zempendulo zibonelela ngeenzuzo ezibalulekileyo.
- Babonelela ngedatha echanekileyo yokubeka indawo kunye nokuhamba. Oku kwenza kube lula ukulawula nokubeka esweni ngokuchanekileyo izinto zoomatshini.
- Izixhobo zempendulo eziphambili zivumela uhlengahlengiso oluzenzekelayo lwendawo kunye nesantya. Oku kuphucula ukusebenza kakuhle kwaye kunciphisa iimpazamo kwiinkqubo ezizenzekelayo.
- Ezi zixhobo zisebenza njengezinzwa. Zibonelela ngedatha yendawo kunye nesantya sexesha langempela. Le datha ibalulekile ukuze kube nokuzenzekela okuchanekileyo nokuthembekileyo.
Ukudityaniswa komlawuli nomlawuli we-electropneumatic okanye ivalvu elinganayo kwenza ulawulo oluchanekileyo olukude kunye nempendulo evaliweyo. Olu seto lususa iingxaki ezifana nokuwa okanye ukuqhekeka ngenxa yeemeko ezahlukeneyo zoxinzelelo lokungena. Luqinisekisa ukusebenza okuzinzileyo nokuchanekileyo.
Ukulawula Ukuhamba Ngeentlobo Zeevalvu Ezahlukeneyo
Iivalvu zokulawula iimoto zilawula ukuhamba kolwelo kusetyenziswa iintlobo ezahlukeneyo zeevalvu. Uhlobo ngalunye lubonelela ngeenzuzo ezithile kwizicelo ezahlukeneyo. Iivalvu zeglobe ziyindlela eqhelekileyo yokulawula ukuhamba kolwelo ngokuchanekileyo. Zihlala zidibene nee-actuator zevalvu ezithe ngqo, ezifana nothotho lwe-ML7421 kunye ne-ML8824. Ezi actuators zivumela ukusetyenziswa kwazo kwizicelo ezifuna ukuchaneka okuphezulu kolawulo.
Iivalvu zeglobe zilawula ukuhamba kolwelo ngokusebenzisa iplagi. Le plagi icinezela isihlalo. Ivala ukuhamba okanye ilujike. Le ndlela iqinisekisa ukulawulwa kokuhamba kolwelo. Zilungele ukulawula imidiya eyahlukeneyo, kubandakanya amanzi, iigesi, kunye nomphunga. Zisebenza kakuhle naphantsi koxinzelelo oluphezulu kunye namaqondo obushushu. Iivalvu zeglobe zihlulwe njengeevalvu zolawulo. Zenzelwe ulawulo oluzinzileyo noluchanekileyo lwemidiya. Ezinye iintlobo zeevalvu, njengeevalvu zebhola kunye neevalvu zebhabhathane, nazo zidityaniswe nee-actuators zeemoto. Iivalvu zebhola zibonelela ngezakhono zokuvala ngokukhawuleza. Iivalvu zebhabhathane zibonelela ngoyilo oluncinci kunye nolawulo olufanelekileyo lokuhamba kolwelo kwiipayipi ezinkulu. Ukukhetha uhlobo lwevalvu kuxhomekeke kwiimfuno ezithile zesicelo.
Ukusetyenziswa kweeValve zoLawulo lweeMoto
Iinkqubo zoLawulo lweNkqubo yoShishino
Iivalvu zokulawula iimoto zidlala indima ebalulekileyo kwiinkqubo zokulawula iinkqubo zoshishino. Zilawula ukuhamba kolwelo kunye neegesi ngokuchanekileyo okukhulu. Amashishini afana nokuvelisa iikhemikhali, ukucocwa kweoyile negesi, kunye nokulungiswa kokutya axhomekeke kwezi valve. Zinceda ukugcina iimeko ezithile zenkqubo ezifana nobushushu, uxinzelelo, kunye namazinga okuhamba. Oku kuqinisekisa umgangatho wemveliso ohambelanayo kunye nokusebenza okukhuselekileyo. Umzekelo, ivalvu yokulawula iimoto ilawula ngokuchanekileyo ubungakanani be-reagent engena kwi-chemical reactor. Ikwalawula ukuhamba komphunga kwiinkqubo zokufudumeza okanye zokupholisa. Ukusebenza kwazo ngokuzenzekelayo nangokukude kunciphisa ukungenelela kwabantu. Oku kunciphisa umngcipheko weempazamo kwaye kuphucula kakhulu ukusebenza kakuhle kwesityalo ngokubanzi. Ezi valve ziyimfuneko kwimisebenzi enzima, eqhubekayo apho ulawulo oluchanekileyo lolwelo lubaluleke kakhulu.
Ukwenziwa kwezinto ngokuzenzekelayo kwiZakhiwo kunye ne-HVAC
Iinkqubo zokwakha ezizenzekelayo zisebenzisa kakhulu ezi valve. Zizinto ezibalulekileyo kwiinkqubo zokufudumeza, zokungenisa umoya, kunye nezomoya opholileyo (HVAC). Ezi valve zilawula ngokuchanekileyo ukuhamba kwamanzi ashushu okanye abandayo kwii-heat exchangers ezahlukeneyo kunye nee-coils. Le ntshukumo ilawula ngokuthe ngqo amaqondo obushushu angaphakathi kunye namanqanaba okufuma. Zikwalawula ukuvulwa nokuvalwa kwee-air dampers ukuze ziqondise ukuhamba komoya ngaphakathi kwimibhobho yokungenisa umoya. Oku kuqinisekisa umgangatho womoya ofanelekileyo kunye nentuthuzelo yobushushu kubahlali. Umzekelo, i-motor control valve ilungisa ukuhamba kwamanzi kwiyunithi ye-fan coil ngokusekelwe kufundo lobushushu begumbi ngexesha langempela. Olu lawulo olunamandla lunceda izakhiwo ukuba zifumane ukonga amandla okukhulu ngokuthintela ukufudumeza okanye ukupholisa okungeyomfuneko. Zibalulekile ekudaleni iindawo zangaphakathi ezikhululekileyo, ezisebenzisa amandla kakuhle, nezisempilweni kwizakhiwo zorhwebo, kwizibhedlele, nakwiindawo zokuhlala ezinkulu. Ukuhlanganiswa kwazo kwiinkqubo zezakhiwo ezikrelekrele kuvumela ukujonga nokulawula okuphakathi.
Iivalvu zokulawula iimoto zibalulekile ekulawuleni ulwelo oluchanekileyo noluzenzekelayo. Zilawula ukuhamba kolwelo kude, nto leyo ephucula ukusebenza kakuhle, ukhuseleko, kunye nolawulo kwiinkqubo ezahlukeneyo. Ezi valve zibaluleke kakhulu kwimisebenzi yanamhlanje yemizi-mveliso, yorhwebo, kunye neziseko zophuhliso. Amandla azo aphucukileyo aqinisekisa ukusebenza kakuhle kunye nokuthembeka kuzo zonke izicelo ezibalulekileyo.
FAQ
Yintoni umsebenzi oyintloko wevalvu yokulawula imoto?
Ivalvu yokulawula imoto izenzekela ngokuzenzekelayo ukulawulwa kokuhamba kolwelo. Isebenzisa injini yombane ukulungisa ngokuchanekileyo indawo yevalvu. Oku kuphucula ukusebenza kakuhle kunye nolawulo kwiinkqubo ezahlukeneyo.
Iivalvu zokulawula iimoto ziqinisekisa njani ulawulo oluchanekileyo lokuhamba kwamanzi?
Zisebenzisa iimoto zombane kunye neendlela eziphambili. Ezi zixhobo zivumela indawo eyiyo yevalvu. Izinzwa zempendulo zibonelela ngedatha yexesha langempela ukuze kulungiswe ngokuchanekileyo.