Impembelelo yoxinzelelo lwe-Iron Core ekusebenzeni kweIiMoto zeMagnet eziSigxina
Uphuhliso olukhawulezileyo loqoqosho luye lwakhuthaza ngakumbi indlela yobuchwephesha kwishishini leemoto zemagnethi ezisisigxina, nto leyo ebeka phambili iimfuno eziphezulu zokusebenza okunxulumene neemoto, imigangatho yobugcisa, kunye nokuzinza kokusebenza kwemveliso. Ukuze iimoto zemagnethi ezisisigxina ziphuhliseke kwicandelo elibanzi lesicelo, kuyimfuneko ukuqinisa ukusebenza okufanelekileyo kuzo zonke iinkalo, ukuze umgangatho kunye neempawu zokusebenza zemoto zifikelele kwinqanaba eliphezulu.
Kwiimoto zemagnethi ezisisigxina, i-iron core yinxalenye ebaluleke kakhulu kwimoto. Ukukhetha izixhobo ze-iron core, kuyimfuneko ukuqwalasela ngokupheleleyo ukuba i-magnetic conductivity ingahlangabezana neemfuno zokusebenza zemoto yemagnethi esisigxina. Ngokubanzi, i-Electrical steel ikhethwa njengezinto eziphambili zeemoto zemagnethi ezisisigxina, kwaye isizathu esiphambili kukuba i-Electrical steel ine-magnetic conductivity elungileyo.
Ukukhethwa kwezinto eziphambili zeemoto kunempembelelo ebaluleke kakhulu ekusebenzeni ngokubanzi kunye nolawulo lweendleko zeemoto zemagnethi ezisisigxina. Ngexesha lokwenziwa, ukuhlanganiswa, kunye nokusebenza ngokusesikweni kweemoto zemagnethi ezisisigxina, uxinzelelo oluthile luya kubakho kumbindi. Nangona kunjalo, ukubakho koxinzelelo kuya kuchaphazela ngokuthe ngqo ukuhanjiswa kwemagnethi kweshiti yentsimbi yombane, okubangela ukuba ukuhanjiswa kwemagnethi kwehle ukuya kumanqanaba ahlukeneyo, ngoko ke ukusebenza kwemoto yemagnethi esisigxina kuya kwehla, kwaye kuya kwandisa ukulahleka kwemoto.
Kuyilo nasekwenziweni kweemoto zemagnethi ezisisigxina, iimfuno zokukhetha nokusetyenziswa kwezixhobo ziya zisanda, zisondele nakwimigangatho emiselweyo kunye nenqanaba lokusebenza kwezixhobo. Njengezinto eziphambili zeemoto zemagnethi ezisisigxina, intsimbi yombane kufuneka ihlangabezane neemfuno ezichanekileyo kakhulu kubuchwepheshe bokusetyenziswa obufanelekileyo kunye nokubala ngokuchanekileyo ukulahleka kwesinyithi ukuze kuhlangatyezwane neemfuno zokwenyani.
Indlela yemveli yoyilo lweemoto esetyenziselwa ukubala iimpawu ze-electromagnetic zentsimbi yombane ngokucacileyo ayichanekanga, kuba ezi ndlela zesiqhelo zenzelwe ikakhulu iimeko zesiqhelo, kwaye iziphumo zokubala ziya kuba nokuphambuka okukhulu. Ke ngoko, kufuneka indlela entsha yokubala ukubala ngokuchanekileyo ukuhanjiswa kwemagnethi kunye nokulahleka kwentsimbi yentsimbi yombane phantsi kweemeko zoxinzelelo, ukuze inqanaba lokusetyenziswa kwezinto eziphambili zentsimbi libe phezulu, kwaye izalathisi zokusebenza ezifana nokusebenza kakuhle kweemoto zemagnethi ezisisigxina zifikelele kwinqanaba eliphezulu.
UZheng Yong kunye nabanye abaphandi bagxile kwimpembelelo yoxinzelelo oluphambili ekusebenzeni kweemoto zemagnethi ezisisigxina, kwaye badibanisa uhlalutyo lovavanyo ukuze bahlolisise iindlela ezifanelekileyo zeempawu zemagnethi zoxinzelelo kunye nokusebenza kokulahlekelwa yintsimbi yoxinzelelo lwezixhobo zemoto zemagnethi ezisisigxina. Uxinzelelo olukwi-iron core yemoto yemagnethi esisigxina phantsi kweemeko zokusebenza luphenjelelwa yimithombo eyahlukeneyo yoxinzelelo, kwaye umthombo ngamnye woxinzelelo ubonisa iimpawu ezininzi ezahlukeneyo ngokupheleleyo.
Ngokwembono yohlobo loxinzelelo lwe-stator core yee-motor zemagnet ezisisigxina, imithombo yokwakheka kwayo ibandakanya ukubhoboza, ukugoba, ukulamina, ukuhlanganiswa kokuphazamiseka kwe-casing, njl. Isiphumo soxinzelelo esibangelwa kukuhlanganiswa kokuphazamiseka kwe-casing sinendawo enkulu neyona ibalulekileyo yempembelelo. Kwi-rotor ye-motor yemagnet esisigxina, imithombo ephambili yoxinzelelo enayo ibandakanya uxinzelelo lobushushu, amandla e-centrifugal, amandla e-electromagnetic, njl. Xa kuthelekiswa nee-motor eziqhelekileyo, isantya esiqhelekileyo se-motor yemagnet esisigxina siphezulu kakhulu, kwaye isakhiwo sokwahlulwa kwemagnethi sikwafakwe kwi-rotor core.
Ngoko ke, uxinzelelo lwe-centrifugal ngowona mthombo uphambili woxinzelelo. Uxinzelelo lwe-stator core oluveliswa kukuhlanganiswa kokuphazamiseka kwe-permanent magnet motor casing lukhona ikakhulu ngohlobo loxinzelelo oluxinzelelweyo, kwaye indawo yokusebenza kwayo igxile kwi-yoko ye-motor stator core, kunye nolwalathiso loxinzelelo olubonakala njenge-circumferential tangential. Ipropati yoxinzelelo eyenziwe ngamandla e-centrifugal ye-permanent magnet motor rotor yi-tensile stress, ephantse isebenze ngokupheleleyo kwi-iron core ye-rotor. Uxinzelelo oluphezulu lwe-centrifugal lusebenza kwindawo yokudibana kwe-permanent magnet motor rotor magnetic isolation bridge kunye ne-reinforcering rib, okwenza kube lula ukuba ukusebenza kunciphe kule ndawo.
Impembelelo yoxinzelelo lwe-Iron Core kwiMagnetic Field ye-Permanent Magnet Motors
Ukuhlalutya utshintsho kuxinano lwemagnethi kwiindawo eziphambili zeemoto zemagnethi ezisisigxina, kwafunyaniswa ukuba phantsi kwempembelelo yokugcwala, akukho tshintsho lubalulekileyo kuxinano lwemagnethi kwiimbambo zokuqinisa kunye neebhulorho zokwahlulwa kwemagnethi zerotor yemoto. Uxinano lwemagnethi lwe-stator kunye nesekethe ephambili yemagnethi yemoto luyahluka kakhulu. Oku kunokuchaza ngakumbi isiphumo soxinzelelo oluphambili kusasazo loxinano lwemagnethi kunye nokuqhuba kwemagnethi yemoto ngexesha lokusebenza kwemoto yemagnethi esisigxina.
Impembelelo yoXinzelelo kwiNgxaki yokuLahleka okuKhulu
Ngenxa yoxinzelelo, uxinzelelo oluxinzelelweyo kwidyokhwe ye-stator yemagnethi esisigxina luya kuba luxineneyo, nto leyo ekhokelela ekulahlekelweni okukhulu kunye nokuwohloka kokusebenza. Kukho ingxaki enkulu yokulahleka kwesinyithi kwidyokhwe ye-stator yemagnethi esisigxina, ingakumbi ekudibaneni kwamazinyo e-stator kunye ne-yokhwe, apho ukulahleka kwesinyithi kunyuka kakhulu ngenxa yoxinzelelo. Uphando lufumanise ngokubala ukuba ukulahleka kwesinyithi kwiimoto zemagnethi ezisisigxina kunyuke ngama-40% -50% ngenxa yempembelelo yoxinzelelo lokutsalwa, nto leyo esamangalisa kakhulu, ngaloo ndlela ikhokelele ekwandeni okukhulu kokulahleka okupheleleyo kweemoto zemagnethi ezisisigxina. Ngohlalutyo, kunokufunyaniswa ukuba ukulahleka kwesinyithi kwimoto yeyona ndlela iphambili yokulahleka okubangelwa yimpembelelo yoxinzelelo lokutsalwa ekwakhiweni kwe-stator iron core. Kwi-motor rotor, xa i-iron core iphantsi koxinzelelo lokutsalwa kwe-centrifugal ngexesha lokusebenza, ayizukunyusa nje kuphela ukulahleka kwesinyithi, kodwa iya kuba nefuthe elithile lokuphucula.
Impembelelo yoXinzelelo kwi-Inductance kunye neTorque
Ukusebenza kwe-magnetic induction ye-motor iron core kuyawohloka phantsi kweemeko zoxinzelelo ze-iron core, kwaye i-shaft inductance yayo iya kuncipha ukuya kwinqanaba elithile. Ngokukodwa, xa kuhlalutywa i-magnetic circuit ye-eternal magnet motor, i-shaft magnetic circuit ibandakanya ikakhulu iindawo ezintathu: i-air gap, i-eternal magnet, kunye ne-stator rotor iron core. Phakathi kwazo, i-eternal magnet yeyona nxalenye ibalulekileyo. Ngokusekelwe kwesi sizathu, xa ukusebenza kwe-magnetic induction ye-eternal magnet motor iron core kutshintsha, ayinakubangela utshintsho olukhulu kwi-shaft inductance.
Inxalenye yesekethe yemagnethi yeshaft eyenziwe ngumsantsa womoya kunye nesiseko se-stator rotor semoto yemagnethi esisigxina incinci kakhulu kune-magnetic resistance yemagnethi esisigxina. Ukuqwalasela impembelelo yoxinzelelo oluphambili, ukusebenza kwe-magnetic induction kuyawohloka kwaye i-shaft inductance iyancipha kakhulu. Hlalutya impembelelo yeempawu zemagnethi zoxinzelelo kwisiseko sesinyithi semoto yemagnethi esisigxina. Njengoko ukusebenza kwe-magnetic induction yemoto yesiseko semoto kuncipha, unxibelelwano lwemagnethi lwemoto luyancipha, kwaye i-torque ye-electromagnetic yemoto yemagnethi esisigxina nayo iyancipha.
Ixesha lokuthumela: Agasti-07-2023
