Ukuhlolwa kwembonakalo kunye novavanyo lwamandla evalve

Kuyo yonke inkqubo yokuyila, ukuvelisa, ukufakela, imeko yokusebenza, ukusebenza kunye nokugcinwa, isinyathelo ngasinye akufanele sikhululeke. Indlela yokufumanisa ukuba kukho ingxaki nge-valve ngaphambi kokunikezelwa okanye emva kokufakwa okupheleleyo? Oku kufuna ukuphumelela uhlolo lwembonakalo kunye novavanyo oluthile lokusebenza ukujonga. Ngezi ziphumo zovavanyo, iziphene zinokuvezwa kwaye zilungelelaniswe ngokufanelekileyo, kwaye kuphela emva kokuba zonke iimvavanyo zifanelekile apho zinokuthi zisetyenziswe. Ngoko, ziziphi iinkcukacha esifanele sinikele ingqalelo kuzo ekuhloleni inkangeleko? Ingaba uvavanyo lwentsebenzo lubandakanya ntoni?

Kutheni ivalve isoloko isilela? Kuyo yonke inkqubo yokuyila, ukuvelisa, ukufakela, imeko yokusebenza, ukusebenza kunye nokugcinwa, isinyathelo ngasinye akufanele sikhululeke. Indlela yokufumanisa ukuba kukho ingxaki nge-valve ngaphambi kokunikezelwa okanye emva kokufakwa okupheleleyo? Oku kufuna ukuphumelela ukuhlolwa kwembonakalo kunye novavanyo oluthile lokusebenza ukujonga. Ngezi ziphumo zovavanyo, iziphene zinokuvezwa kwaye zilungelelaniswe ngokufanelekileyo, kwaye kuphela emva kokuba zonke iimvavanyo zifanelekile apho zinokuthi zisetyenziswe. Ngoko, ziziphi iinkcukacha esifanele sinikele ingqalelo kuzo ekuhloleni inkangeleko? Ingaba uvavanyo lwentsebenzo lubandakanya ntoni?

Ukuhlolwa okubonakalayo

1. Nokuba umphezulu wevalvu wangaphakathi nangaphandle unetrakoma, i-crack kunye nezinye iziphene.

I-2, isihlalo sevalvu kunye ne-valve umzimba odibeneyo uqinile, i-valve core kunye nesihlalo sevalve iyahambelana, indawo yokutywina ayinaziphene.

I-3, uxhulumaniso lwe-spool kunye ne-spool luguquguqukayo kwaye luthembekile, ukugoba kwesiqu, umonakalo wentambo, ukubola.

4, ukupakisha, iwasha ukuguga umonakalo, valve ukuvula bhetyebhetye, njl.

5, kufuneka kubekho i-nameplate kumzimba wevalvu, umzimba wevalve kunye ne-nameplate kufuneka ibandakanye: igama lomenzi, igama levalve, uxinzelelo lwegama, idiameter yegama kunye nolunye uphawu.

6. Indawo yokuvula kunye nokuvala i-valve ngexesha lokuthutha kufuneka ihlangabezane nezi mfuno zilandelayo:

(a) Ivalve yesango, ivalve yeglowubhu, ivalve yeglowubhu, ivalve yebhabhathane, ivelufa esezantsi, ivelufa elawulayo kunye nezinye iivalve kufuneka zibekwindawo evalwe ngokupheleleyo.

(b) Ivalve yeplagi kunye neendawo zokuvala zebhola kufuneka zibe kwindawo evuleke ngokupheleleyo.

(c) Ivalve ye-diaphragm kufuneka ibe kwindawo evaliweyo, mayingavaleki iqine kakhulu, ukuthintela umonakalo kwivalve ye-diaphragm.

(d) Idiski yeevalvu zokutshekisha iya kuvalwa kwaye ikhuselwe.

I-7, ivalve yokhuseleko lohlobo lwasentwasahlobo kufuneka ibe nesitywina esikhokelela, ivalve yokhuseleko lohlobo lwe-lever kufuneka ibe nesixhobo sokubeka isando esinzima.

I-8, i-disc ye-valve yokutshekisha okanye isenzo se-spool kufuneka sibe bhetyebhetye kwaye sichaneke, akukho-eccentricity, displacement okanye i-skew phenomenon.

I-9, irabha ye-lining, i-enamel ye-enamel kunye ne-lining yevalve yeplastiki umgangatho ongaphakathi kufuneka ube mpuluswa, i-lining kunye ne-matrix zidityaniswe ngokuqinileyo, kungabikho zintanda, ukugquma kunye nezinye iziphene.

I-10, indawo yokutywina ye-flange kufuneka ihlangabezane neemfuno ngaphandle kwemikrwelo ye-radial.

I-11, ivalve ayisayi konakaliswa, iindawo ezingekhoyo, ukubola, i-nameplate off kunye nezinye izinto, kwaye umzimba wevalve awuyi kuba mdaka.

I-12, zombini iziphelo zevalve kufuneka zikhuselwe ngekhava yokukhusela, isibambo okanye ukusebenza kwe-handwheel kufuneka kube bhetyebhetye, akukho nto ye-jam.

13. Isiqinisekiso somgangatho wevalvu siya kuqulatha oku kulandelayo:

(a) Igama lomenzi kunye nomhla wokwenziwa.

(b) Igama lemveliso, imodeli kunye neenkcukacha.

(c) Uxinzelelo lwegama, ubungakanani obuqhelekileyo, iqondo eliphakathi elisebenzayo kunye nobushushu obusebenzayo.

(d) Umgangatho, isiphelo kunye nomhla wokuhlolwa.

(e) Inombolo yefektri, isiginitsha kunye netywina lomhloli kunye nomhloli onoxanduva.

Ukukhethwa kwe-1 kunye ne-2 ye-valve actuators yombane

Ivalve yombane yombane sisixhobo esisetyenziselwa ukusebenza kunye nokudibanisa ivalve. Isixhobo siqhutywa ngombane kwaye ukuhamba kwayo kunokulawulwa ngestroke, itorque okanye i-axial thrust. Ngenxa yesixhobo sombane sevalve kufuneka sisebenze iimpawu kunye nokusetyenziswa kuxhomekeke kuhlobo lwesivalo, iinkcukacha zesixhobo esisebenzayo kunye nendawo yevalve kumbhobho okanye isixhobo. Ke ngoko, lawula ukhetho oluchanekileyo lwesixhobo sombane sevalve; Kubalulekile ukuqwalasela ukuthintela ukugcwala (i-torque yokusebenza ephezulu kunetorque yolawulo).

Ukhetho oluchanekileyo lwesixhobo sombane sevalve kufuneka lusekelwe:

1. Itorque esebenzayo: Itorque esebenzayo yeyona parameter yokukhetha isixhobo sombane sevalve. I-torque ephumayo yesixhobo sombane kufuneka ibe yi-1.2 ~ 1.5 amaxesha e-torque enkulu yokusebenza kwevalve.

2. I-Operation thrust: kukho iindidi ezimbini ze-host structure yevalve yesixhobo sombane, enye ayixhotyiswanga nge-thrust plate, kwaye i-torque iphuma ngokuthe ngqo ngeli xesha; Enye ixhotyiswe nge-disc ye-thrust, apho i-torque yemveliso iguqulwa ibe yi-output thrust ngokusebenzisa i-stem nut ye-thrust disc.

3. Inombolo yokujikeleziswa kweshaft yesiphumo: inani lenani lokujikeleza kweshaft yemveliso yesixhobo sombane sevalve linxulumene nedayamitha yegama levalve, isiqu sevalve pitch kunye nenani lemisonto, ibalwe ngokwe-M=H/ZS (kwifomula : M yinani elipheleleyo lokujikeleza ukuba isixhobo sombane kufuneka sihlangane no-H ubude bokuvulwa kwevalve, mm S yi-pitch ye-valve stem drive, mm;

4. I-Stem diameter: ye-multi-rotation ye-valve ye-stem evulekileyo, ukuba i-stem diameter enkulu evunyelwe kwisixhobo sombane ayikwazi ukudlula i-valve stem, ayikwazi ukuhlanganiswa kwivalve yombane. Ngoko ke, i-diameter yangaphakathi ye-hollow output shaft yesixhobo sombane kufuneka ibe mkhulu kunobubanzi obungaphandle besiqu se-valve ye-stem evulekileyo. Kwezinye iivalve ezijikelezayo kunye ne-multi-rotary valves kwi-valve yentonga emnyama, nangona ungaqwalaseli ububanzi be-stem ngengxaki, kodwa ekukhetheni kufuneka kuqwalaselwe ngokupheleleyo ububanzi be-stem kunye nobukhulu be-keyway, ukwenzela ukuba indibano isebenze ngokuqhelekileyo.

5. Isantya sokuphuma: ukuvulwa kwevalve kunye nesantya sokuvala sikhawuleza, kulula ukuvelisa into yokubetha kwamanzi. Ngoko ke, ngokwemiqathango eyahlukeneyo yokusetyenziswa, khetha isiqalo esifanelekileyo kunye nesantya esisondeleyo.

6. Ukufakela kunye nemodi yokudibanisa: imodi yokufakela isixhobo sombane ibandakanya ukufakwa ngokuthe nkqo, ukufakwa okuthe tye kunye nokufakwa komhlaba; Imowudi yoqhagamshelo: ipleyiti yokutyhala; Isiqu sevalve (i-stem multi-turn valve); Intonga emnyama ukujikeleza okuphindaphindiweyo; Akukho pleyiti yokutyhala; Isiqu se-valve asidluli; Inxalenye yesixhobo sombane esijikelezayo sisetyenziswa ngokubanzi, kukuqonda ulawulo lwenkqubo yevalve, ulawulo oluzenzekelayo kunye nolawulo olukude izixhobo eziyimfuneko, ezisetyenziswa ikakhulu kwivalve yesekethe evaliweyo. Nangona kunjalo, iimfuno ezikhethekileyo zesixhobo sombane se-valve kufuneka sikwazi ukukhawulela i-torque okanye i-axial force. Ngokuqhelekileyo isixhobo sombane sevalve sisebenzisa itorque yokunciphisa ukudibanisa.

Xa ukucaciswa kwesixhobo sombane kuchongiwe, i-torque yayo yokulawula nayo imiselwe. Xa isebenza ngexesha elimiselweyo, i-motor ngokubanzi ayilayishwa kakhulu. Nangona kunjalo, inokugcwala kakhulu ukuba:

1. Umbane ophantsi, awukwazi ukufumana i-torque efunekayo, ukwenzela ukuba i-motor iyeke ukujikeleza.

2. Indlela yokunciphisa i-torque ayilungiswanga kakuhle ukuba ibe mkhulu kune-torque emisiweyo, okukhokelela ekuveliseni okuqhubekayo kwe-torque egqithisileyo, ukwenzela ukuba i-motor iyeke ukujikeleza.

3. Ukuba inqaku lisetyenziswe ngokukhawuleza, ubushushu obuveliswayo buqokelela kwaye bugqithise uxabiso oluvumelekileyo lobushushu bemoto.

4. Ngesizathu esithile i-torque yokunciphisa inkqubo yesekethe ayiphumelelanga kwaye i-torque inkulu kakhulu.

5. Ubushushu obuphezulu be-ambient bunciphisa amandla obushushu bemoto.

Ezi ngasentla zezinye zezizathu zokugqithisa, ngenxa yezi zizathu i-phenomenon ye-motor overheating kufuneka iqwalaselwe kwangaphambili, kwaye uthathe amanyathelo okuthintela ukushisa.

Ngaphambili, indlela yokukhusela i-motor kukusebenzisa i-fuses, i-overcurrent relays, i-thermal relays, izixhobo ze-thermostatic, njl., kodwa ezi ndlela nazo zineenzuzo zabo kunye nokungalunganga. Kwizixhobo zombane ezinomthwalo oguquguqukayo, akukho ndlela yokukhusela ethembekileyo. Ngoko ke, indibaniselwano yeendlela kufuneka yamkelwe. Nangona kunjalo, ngenxa yomthwalo ohlukeneyo wesixhobo sombane ngasinye, kunzima ukubeka indlela edibeneyo. Kodwa ubukhulu becala, isiseko esivumelanayo sinokufunyanwa.

Iindlela zokukhusela umthwalo ogqithisileyo owamkelweyo zinokushwankathelwa zibe ziindidi ezimbini:

1. Gweba ukunyuka okanye ukuhla kwe-motor input current;

2. Injini ngokwayo ukumisela ubushushu.

Ezi ndlela zimbini zingasentla, nokuba yeyiphi na ekufuneka ithathelwe ingqalelo umthamo wobushushu bemoto enikwe umda wexesha. Kunzima ukuyenza ihambelane neempawu zamandla obushushu bemoto ngendlela enye. Ke ngoko, kufuneka sikhethe indibaniselwano yeendlela ezisekelwe kwisenzo esithembekileyo ngokwesizathu somthwalo ogqithisiweyo ukufezekisa ukukhuselwa komthwalo.

I-motor yesixhobo sombane se-Rotock, kuba ifakwe kwi-windings ye-thermostat kunye nenqanaba le-insulation efanayo ye-motor, xa iqondo lokushisa elilinganisiweyo lifikeleleke, i-loop yokulawula i-motor iya kunqunyulwa. Umthamo wokushisa we-thermostat ngokwawo uncinci, kwaye iimpawu zayo ezinqunyelwe ixesha zichongwa yimpawu zamandla okushisa kwemoto, ngoko le yindlela ethembekileyo.

Iindlela zokhuseleko ezisisiseko zokulayisha ngaphezulu zezi:

1. Ukusebenza okuqhubekayo kwemoto okanye ukusebenza kwendawo yokukhusela ukulayisha ngaphezulu usebenzisa i-thermostat;

2. I-Thermal relay isetyenziselwa ukukhusela i-motor blocking;

3. Sebenzisa i-fuses okanye ii-overcurrent relays kwiingozi ezimfutshane zesekethe.

Isisombululo esipheleleyo sokuhlolwa kwembonakalo kunye neendlela zokuvavanya amandla eevalve Ukukhethwa kweevalvu zombane zombane

Kuyo yonke inkqubo yoyilo, yokwenziwa, yofakelo, iimeko zokusebenza, ukusebenza, kunye nokugcinwa, inyathelo ngalinye akufuneki liyekwe.ivalveIndlela yokufumanisa ukuba kukho ingxaki ngaphambi kokushiya umzi-mveliso okanye emva kokugqiba ukufakela okupheleleyo? ?Oku kufuneka kuhlolwe ngokuhlolwa kwenkangeleko novavanyo oluthile lwentsebenzo. Ngezi ziphumo zovavanyo, iziphene zinokuvezwa kwaye ulungelelwaniso oluhambelanayo lunokwenziwa Kuphela emva kokuba zonke iimvavanyo zifanelekile ezinokuthi zisetyenziswe. Ke, zeziphi iinkcukacha ekufuneka ziqwalaselwe ekuhloleni imbonakalo?

Kutheni iivalvu zisoloko zisilela? ?Kuyo yonke inkqubo yoyilo, yokwenziwa, yofakelo, iimeko zokusebenza, ukusebenza, kunye nokugcinwa, inyathelo ngalinye kufuneka linganyhashwa. Indlela yokufumanisa ukuba kukho ingxaki nge-valve ngaphambi kokuba ihambe kwifektri okanye emva kokufakwa okupheleleyo Oku kufuna ukuhlolwa okubonakalayo kunye neemvavanyo ezithile zokusebenza. Ngezi ziphumo zovavanyo, iziphene zinokuvezwa kwaye ulungelelwaniso oluhambelanayo lunokwenziwa Kuphela emva kokuba zonke iimvavanyo zifanelekile ezinokuthi zisetyenziswe. Ke, zeziphi iinkcukacha ekufuneka ziqwalaselwe ekuhloleni imbonakalo?

Ukuhlolwa okubonakalayo

1. Ingaba kukho amadyungudyungu, iintanda kunye nezinye iziphene kumphezulu ongaphandle nangaphandle wevalve yomzimba.

2. Nokuba isitulo sevalve kunye nomzimba wevalvu ziqhagamshelwe ngokuqinileyo, nokuba umbindi wevalve kunye nesitulo sevalvu ziyahambelana, kwaye nokuba umphezulu wokutywina uneziphene.

3. Ingaba udibaniso phakathi kwesikhondo sevalve kunye nondoqo wevalve lubhetyebhetye kwaye luthembekile, nokuba isiqu sevalve sigobile, nokuba imisonto yonakele okanye idlekile.

4. Ingaba ukupakisha kunye ne-gaskets zikhulile kwaye zonakaliswe, kwaye ingaba i-valve yokuvula i-flexible, njl.

5. Kufuneka kubekho i-nameplate kumzimba wevalve Umzimba wevalve kunye ne-nameplate kufuneka ibandakanye: igama lomenzi, igama levalve, uxinzelelo lwegama, i-diameter yegama, njl.

6. Indawo yokuvula kunye nokuvala i-valve ngexesha lokuthutha kufuneka ihlangabezane nezi mfuno zilandelayo:

(a) Ivalve yesango, ivelufa yeglowubhu, ivelufa yethrottle, ivelufa yebhabhathane,Ivalve esezantsi, ivalve yokulawula kunye nezinye iivalve kufuneka zibe kwindawo evaliweyo ngokupheleleyo.

(b) Iindawo zokuvala zeevalvu zeplagi kunye neevalve zebhola kufuneka zibe kwindawo evuleke ngokupheleleyo.

(c) Ivalve ye-diaphragm kufuneka ibe kwindawo evaliweyo kwaye kufuneka ingavalwa kakhulu ukuthintela umonakalo kwivalve ye-diaphragm.

(d)Khangela ivalveIdiski yevalve kufuneka ivalwe kwaye ilungiswe.

7. Uhlobo lwasentwasahloboivalve yokhuselekoKufuneka kubekho itywina elikhokelela, kwaye ivalve yokhuseleko kufuneka ibe nesixhobo sokubeka esinobunzima.

8. I-disc okanye i-valve core ye-valve yokutshekisha kufuneka ihambe ngokuguquguqukayo nangokuchanekileyo ngaphandle kwe-eccentricity, i-displacement okanye i-skew.

9. Umgangatho wangaphakathi we-rubber-lined, i-enamel-lined kunye ne-plastic-lined valves kufuneka ibe tyaba kwaye igudileyo, kwaye i-lining kunye nesiseko kufuneka iboshwe ngokuqinileyo ngaphandle kweziphene ezifana nokuqhekeka okanye ukuxubha.

10. Umphezulu wokutywina we-flange kufuneka uhlangabezane neemfuno kwaye akufanele ube nemikrwelo ye-radial.

11. Ivalve mayingonakali, iindawo ezingekhoyo, zidliwe, okanye icwecwe legama layo, kwaye umzimba wevalvu mawungabi mdaka.

12. Zomibini iziphelo zevalve kufuneka zikhuselwe ngezikhuselo ezikhuselayo, kwaye isibambo okanye isondo lesandla kufuneka liguquguquke ekusebenzeni ngaphandle kwe-jamming.

13. Isiqinisekiso somgangatho wevalvu kufuneka siqulathe oku kulandelayo:

(a)Igama lomenzi kunye nomhla wokwenziwa kwayo.

(b) Igama lemveliso, imodeli kunye neenkcukacha.

(c) Uxinzelelo lwegama, idiameter yegama, eliphakathi elisebenzayo kunye nobushushu obusebenzayo.

(d) Imigangatho esekelwe, ukugqitywa kokuhlolwa kunye nomhla wokuhlolwa.

(e) Inombolo yesiriyeli yefektri, umsayino womhloli kunye nomntu ophetheyo kuhlolo.

1 2 Ukukhethwa kweevalvu zombane zokuqalisa umbane

I-valve yombane we-valve sisixhobo esisetyenziselwa ukusebenzisa ivalve kwaye iqhagamshelwe kwivalve. Isixhobo siqhutywa ngumbane, kwaye inkqubo yayo yokunyakaza inokulawulwa ngokubetha, i-torque okanye i-axial thrust. Iimpawu zokusebenza kunye nesantya sokusetyenziswa kwesixhobo sombane sevalve sixhomekeke kuhlobo lwesivalo, iinkcukacha zokusebenza kwesixhobo kunye nendawo yevalve kumbhobho okanye izixhobo. Ke ngoko, kubalulekile ukuqonda ukhetho oluchanekileyo lwezixhobo zombane zevalve kwaye ucinge ngokuthintela ukugcwala (itorque yokusebenza ephezulu kunetorque yolawulo) ukuba ingenzeki.

Ukhetho oluchanekileyo lwesixhobo sombane sevalve kufuneka lusekelwe:

1. Itorque esebenzayo: Itorque esebenzayo yeyona parameter iphambili yokukhetha isixhobo sombane sevalve. I-torque ephumayo yesixhobo sombane kufuneka ibe yi-1.2 ukuya kwi-1.5 amaxesha aphezulu okusebenza kwe-valve.

2. I-Operating thrust: Kukho iintlobo ezimbini zezakhiwo zokusingatha izixhobo zombane zevalve, apho i-torque iphuma ngokuthe ngqo; i-stem nut kwi-thrust plate iguqulelwe kwi-output thrust.

3. Inani lojikelezo lweshafu yokuphuma: Inani lokujikeleza kweshaft ephumayo yesixhobo sombane sevalve linxulumene nedayamitha yegama levalve, isiqu sevalve pitch, kunye nenani leentloko zemisonto =H/ZS (apho: M yimfuno yokuba isixhobo sombane kufuneka sihlangabezane nenani lilonke lokujika; H bubude obuvulayo bevalve, mm; S yipitch yomsonto wothumelo lwesiqu, mm; Z ngumgangatho inani leentloko zemisonto yevalve).

4. Idayamitha yesiqu sevalve: Kwiivalvu zesikhondo ezijika-jikayo ezininzi, ukuba isiqu esikhulu sedayamitha yevalve evunyelwe sisixhobo sombane asikwazi ukudlula kwisikhondo sevalve yevalve ehambelanayo, ayinakudityaniswa kwivalve yombane. Ngoko ke, i-diameter yangaphakathi ye-hollow output shaft yesixhobo sombane kufuneka ibe nkulu kunobubanzi bangaphandle besiqu sevalve yevalve yesikhondo esinyukayo. Kwiivalve ze-valve-turn-turn kunye nee-valve-stem ezifihliweyo kwiivalve ezininzi zokujika, nangona ukudlula kwe-valve stem diameter akufuneki kuthathelwe ingqalelo, i-valve ye-stem ye-valve kunye nobukhulu be-keyway kufuneka kwakhona kuqwalaselwe ngokupheleleyo xa ukhetha kwaye uhambelana, ukuze banokusebenza ngokuqhelekileyo emva kwendibano.

5. Isantya semveliso: Ivalve ivula kwaye ivale ngokukhawuleza kwaye iqhelene nehamile yamanzi. Ngoko ke, isantya esifanelekileyo sokuvula kunye nokuvala kufuneka sikhethwe ngokwemiqathango eyahlukeneyo yokusetyenziswa.

6. Iindlela zokufakela kunye nokudibanisa: Iindlela zokufakela izixhobo zombane ziquka ukufakwa ngokuthe nkqo, ukufakwa okuthe tye, kunye nokufakelwa komgangatho wokudibanisa: ipleyiti yevalve ayigqithisi isixhobo sombane esinoluhlu olubanzi losetyenziso kwaye sisixhobo esiyimfuneko sokuqonda ulawulo lwevalvu, ulawulo oluzenzekelayo kunye nolawulo olukude. Nangona kunjalo, ayinakunyanzelwa ukuba iimfuno ezikhethekileyo zesixhobo sombane se-valve kufuneka sikwazi ukukhawulela i-torque okanye i-axial force. Ngokuqhelekileyo izixhobo zombane zevalve zisebenzisa i-couplings enciphisa i-torque.

Emva kokuba iinkcukacha zesixhobo sombane zichongiwe, i-torque yayo yokulawula nayo inqunywe. IiMotor ngokubanzi azilayishwa kakhulu xa zibaleka kangangexesha elimiselweyo. Nangona kunjalo, inokulayishwa kakhulu ukuba iimeko ezilandelayo ziyenzeka:

1. I-voltage yonikezelo lwamandla iphantsi kwaye i-torque efunekayo ayinakufumaneka, ibangela ukuba imoto iyeke ukujikeleza.

2. Indlela yokunciphisa i-torque isetelwe ngokungalunganga ukuze ibe nkulu kune-torque yokumisa, ibangela ukuba i-torque egqithisileyo iqhubeke iveliswa kwaye ibangela ukuba imoto iyeke ukujikeleza.

3. Xa isetyenziswa ngamaxesha athile njengokubaleka, ubushushu obuveliswayo buyaqokelelana kwaye budlule ubushushu obuvumelekileyo bokunyuka kwenjini.

4. Ngesizathu esithile, ukungasebenzi kakuhle kwendlela yokunciphisa itorque, okukhokelela kwitorque egqithisileyo.

5. Ubushushu bendawo yokusebenza buphezulu kakhulu, nto leyo eya kuthi ngokwentelekiso inciphise umthamo wobushushu bemoto.

Ezi zingentla zezinye zezizathu zokugqithiswa kweMotor okubangelwa zezi zizathu kufuneka ziqwalaselwe kwangaphambili kwaye amanyathelo kufuneka athathwe ukuthintela ukushisa.

Ngaphambili, iindlela zokukhusela iinjini zazisetyenziselwa ukusebenzisa i-fuses, i-relays overcurrent, i-thermal relays, i-thermostats, njl. Nangona kunjalo, ezi ndlela zineenzuzo kunye neengxaki zazo kwizixhobo ezinemithwalo eguquguqukayo njengezixhobo zombane, akukho khuseleko oluthembekileyo indlela. Ngoko ke, indibaniselwano yeendlela ezahlukeneyo kufuneka yamkelwe. Nangona kunjalo, ngenxa yeemeko ezahlukeneyo zomthwalo wesixhobo ngasinye sombane, kunzima ukucebisa indlela edibeneyo. Kodwa ngokulungelelanisa iimeko ezininzi, sinokufumana isiseko esifanayo.

Iindlela zokukhusela umthwalo ogqithisileyo owamkelweyo zinokushwankathelwa zibe ziindidi ezimbini:

1. Gweba ukunyuka okanye ukuhla kwe-motor input current;

2. Qinisekisa ubushushu obuveliswa yimoto ngokwayo.

Nokuba ezi ndlela zimbini zingasentla, umda wexesha onikwe amandla obushushu bemoto kufuneka uqwalaselwe. Kunzima ukuyenza ihambelane neempawu zomthamo we-thermal wemoto usebenzisa indlela enye. Ke ngoko, indibaniselwano yeendlela ezinokuthi zisebenze ngokuthembekileyo ngokwesizathu somthwalo ogqithisileyo kufuneka zikhethwe ukufezekisa ukhuseleko lomthwalo ogqithisileyo.

I-motor ye-Rotork electric device ine-thermostat efakwe kwi-winding ehambelanayo nenqanaba le-insulation ye-motor Xa iqondo lokushisa elilinganisiweyo lifinyelelwe, i-motor control circuit iya kunqunyulwa. Umthamo wokushisa we-thermostat ngokwawo uncinci, kwaye iimpawu zayo zokukhawulela ixesha zichongwa yimpawu zamandla okushisa kwemoto, ngoko le yindlela ethembekileyo.

Iindlela zokhuseleko ezisisiseko zokulayisha ngaphezulu zezi:

1. I-thermostat isetyenziselwa ukukhuselwa komthwalo ogqithisiweyo we-motor ekusebenzeni okuqhubekayo okanye ukusebenza kwe-intshing;

2. I-Thermal relay isetyenziselwa ukukhusela i-motor ekumeni;

3. Sebenzisa i-fuses okanye ii-overcurrent relays kwiingozi ezimfutshane zesekethe.