Qhov twg zoo dua ntawm tooj liab- hlau motors thiab txhuas- hlau motors

Copper-mob lub cev muaj zog muaj kev ua tau zoo, ua haujlwm ntev, thiab kev siv hluav taws xob tab sis tuaj ntawm tus nqi siab dua, thaum aluminium-mob lub cev muaj zog ntau dua thiab hnav, ua rau lawv tsim nyog rau kev siv nyiaj - nco qab lossis lub teeb yuag. Qhov kev xaiv kawg yog nyob ntawm qhov ntsuas kev siv cov xwm txheej thiab cov kev xav tau

 

Qhov sib txawv ntawm kev ua haujlwm thiab kev ua haujlwm zoo

Copper hlau motors yog qhov zoo tshaj rau txhuas hlau motors nyob rau hauv cov nqe lus ntawm conductivity, tshav kub dissipation, thiab stability:

Conductivity efficiency: Lub resistivity ntawm tooj liab (li 0.017 Ω· mm ² / m) tsuas yog 60% ntawm cov txhuas (0.028 Ω· mm ² / m). Nyob rau hauv tib lub tam sim no, tooj liab hlau motors muaj 3% -8% qis zog poob thiab 15% -20% tsawg tshav kub tsim, ua rau lub sij hawm ntev ua hauj lwm ntau zog-npaum. cov

Thaum tshav kub kub dissipation muaj peev xwm: Lub thermal conductivity ntawm tooj liab (401W / m · K) yog 1.7 npaug ntawm txhuas (237W / m · K), thiab qhov kub siab ntawm tooj liab motors yog 15-20℃qis dua aluminium motors nyob rau hauv qhov kub thiab txias ib puag ncig, tsis txhob muaj rwb thaiv tsev cov khoom laus. cov

Kev tswj lub suab nrov: tooj liab hlau motors muaj lub suab nrov nruab nrab ntawm 7 decibels qis dua txhuas hlau (xws li 58 decibels vs 65 decibels), raws li txhuas hlau vibration muaj feem yuav ua rau resonance.

 

 

Kev sib piv nqi thiab durability

Aluminium hlau motors muaj tus nqi pib qis, tab sis ntev - siv sij hawm yuav dhau ntawm tooj liab hlau motors:

Tus nqi pib: Tus nqi ntawm txhuas tsuas yog ib qho -ib feem peb ntawm cov tooj liab, thiab txhuas hlau tov rau motors ntawm tib lub zog yog 15% -30% pheej yig dua, haum rau luv luv - lub sij hawm los yog tsawg zaus siv. cov

Cov nqi mus sij hawm ntev:

Copper motors muaj lub neej ntev ntawm 8-15 xyoo, thaum txhuas motors tsuas muaj lub neej ntev li 3-8 xyoo. Vim yog aluminium oxidation thiab kev sib koom ua ke corrosion, kev tu ntau zaus yog 40% -60% siab dua. cov

Noj 1.5kW lub cev muaj zog ua piv txwv, tus nqi hluav taws xob txhua xyoo rau txhuas hlau yog 50-100 yuan ntau dua, uas tuaj yeem cuam tshuam tus nqi pib sib txawv rau tooj liab motors hauv 3-5 xyoo. cov

Kev ntseeg tau: Lub zog tensile ntawm tooj liab (220MPa) yog ob npaug ntawm txhuas (110MPa), thiab qhov sib tw winding yog tsawg dua 0.5% (txog 12% rau aluminium motors), ua rau nws haum rau kev co ib puag ncig. cov

 

Muaj cov xwm txheej thiab cov lus qhia xaiv

Hom kev sib tw raws li kev xav tau:

Prioritize tooj liab hlau motors:

Kev ua haujlwm siab ua haujlwm tsis tu ncua (xws li cov kiv cua muaj, cua txias sab nraum zoov, nrog qhov nruab nrab txhua hnub ntawm ntau dua 8 teev). cov

Nyob rau hauv qhov kub thiab txias los yog kev vibration ib puag ncig (xws li cov khoom siv ziab, cov twj tso kua dej), tooj liab qhov kub tsis kam (melting point 1083 degree) deb tshaj li ntawm txhuas (660 degree). cov

Optional aluminium hlau lub cev muaj zog:

Cov kev xav tau sib sib zog nqus (xws li drones, cov cuab yeej nqa tau yooj yim), aluminium ntom tsuas yog 30% ntawm tooj liab. cov

Lub sij hawm luv luv lossis tsawg- siv zaus (xws li cov cuab yeej siv ib ntus, qis- cov kiv cua fais fab) muaj qhov txiaj ntsig tseem ceeb ntawm tus nqi pib. cov

 

Qhov zoo thiab qhov tsis zoo ntawm tooj liab hlau motors thiab aluminium hlau motors

1. Cov tub ntxhais sib txawv ntawm tooj liab hlau motors thiab txhuas hlau motors nyob rau hauv cov khoom yam ntxwv ntawm cov xov hlau winding, uas ncaj qha cuam tshuam rau conductivity, tshav kub dissipation efficiency, kev pab cuam lub neej, thiab tus nqi ntawm lub cev muaj zog. Qhov tshwj xeeb zoo thiab qhov tsis zoo tuaj yeem muab piv los ntawm rau qhov tseem ceeb ntawm qhov loj me los pab koj kom nkag siab meej txog cov kev xaiv hauv cov xwm txheej sib txawv.

Copper hlau motor:

Cov hluav taws xob tiv thaiv ntawm tooj liab yog qhov tsawg heev (li 0.017 Ω· mm ² / m), thiab nws cov conductivity deb tshaj li ntawm txhuas (qhov hluav taws xob resistivity ntawm txhuas yog li 0.028 Ω· mm ² / m). Nyob rau hauv tib lub tam sim no, hluav taws xob poob (Joule cua sov) ntawm tooj liab hlau winding yog me me, "tooj liab poob" (zog siv los ntawm hlau cua sov) thaum lub sij hawm lub cev muaj zog ua hauj lwm yog qis dua, thiab cov efficiency ntawm converting hluav taws xob rau hauv lub tshuab hluav taws xob yog siab dua - feem ntau, efficiency ntawm tooj liab hlau lub cev muaj zog yog 3% -}5% ntawm lub zog ntau dua ntawm lub zog ntawm lub sijhawm ntev, thiab cov khoom siv hluav taws xob ntau dua 7% kev ua haujlwm, qhov ua tau zoo yog qhov pom tseeb dua (xws li cov twj tso dej hauv tsev, cua txias compressors, uas tuaj yeem txuag tau hluav taws xob ntau dua hauv kev siv mus ntev).

Aluminium hlau lub cev muaj zog:

Txhuas muaj hluav taws xob tiv taus siab, thiab txhawm rau ua kom muaj kev sib txuas zoo ib yam li tooj liab hlau, nws yog ib qho tsim nyog yuav tsum tau nce tus ntoo khaub lig- ntu ntu ntawm txhuas hlau (feem ntau txoj kab uas hla ntawm txhuas hlau yuav tsum yog li 1.6 npaug tuab dua li tooj liab xaim) thiaj li yuav txo tau qhov tsis kam thiab poob. Tab sis txawm nrog thickening, cov conductivity efficiency ntawm txhuas hlau tseem qis dua cov tooj liab hlau, thiab cov "aluminium poob" yog pom tseeb nyob rau hauv siab load. Cov motors nquag ua haujlwm poob qis vim cua sov (xws li cov kiv cua hauv tsev me, qhov sib txawv tsis yog qhov tseem ceeb nyob rau hauv qis load, thiab cua quab yuam yuav me ntsis tsis muaj zog tom qab khiav ntawm kev kub ceev mus ntev)

 

2.Heat dissipation kev ua tau zoo: tooj liab hlau lub cev muaj zog ntau ruaj khov

Copper hlau motor:

Lub thermal conductivity ntawm tooj liab (txog 401W / (m · K)) yog ntau dua li ntawm txhuas (li 237W / (m · K)). Cov cua sov uas tsim los ntawm winding tuaj yeem hloov mus rau lub cev muaj zog, thiab tom qab ntawd dissipated los ntawm cov kiv cua txias los yog casing, ua rau nws tsis tshua muaj "loj overheating". Txawm tias nyob rau hauv qhov kub thiab txias ib puag ncig (xws li sab nraum zoov lub caij ntuj sov los yog nyob rau hauv lub enclosures), qhov kub thiab txias ntawm tooj liab hlau motors yog ruaj khov, uas muaj peev xwm zam insulating txheej aging thiab coil burnout tshwm sim los ntawm overheating.

Aluminium hlau lub cev muaj zog:

Txhuas muaj cov thermal conductivity tsis zoo, thiab cov cua kub sib xyaw ntawm cov cua kub yog ceev tom qab cua sov, uas yuav tsum tau muaj qhov cua sov loj dua (xws li thickening lub cev muaj zog vaj tse thiab ua kom cov kiv cua loj) kom txo tau. Yog hais tias lub tshav kub dissipation tsim tsis txaus, aluminium hlau motors yuav dhau qhov kev nyab xeeb nyob rau hauv siab load los yog kub ib puag ncig (feem ntau yog qhov siab tshaj plaws tso cai rau cov motors yog 120-}}150 degree), uas tsis tsuas yog txo efficiency, tab sis kuj yuav txo tau lub rwb thaiv tsev txheej lub neej thiab ua rau muaj kev pheej hmoo ntawm tsis ua hauj lwm (xws li lub tshuab ntxhua khaub ncaws me me "kev tiv thaiv" lub sij hawm ntev, tsis muaj kev tiv thaiv lub cev muaj zog. kev ua haujlwm kub kub).

 

3.Mechanical zog thiab durability: tooj liab hlau motors muaj ib tug ntev lifespan

Copper hlau motor:

Tooj liab muaj zog tensile zoo dua thiab ductility, ua rau nws tsis tshua muaj kev tawg thaum winding. Tsis tas li ntawd, kev sib txuas ntawm tooj liab thiab lub cev muaj zog terminals muaj kev ruaj ntseg dua (tooj liab terminals muaj kev tiv thaiv qis dua thiab tsis tshua muaj oxidation thaum welded / crimped nrog tooj liab hlau). Hauv kev ua haujlwm ntev - lub sijhawm ua haujlwm, tooj liab hlau windings tsis tshua muaj kev cuam tshuam los ntawm kev vibration thiab kub hloov, thiab tsis tshua muaj teeb meem xws li "kev tawg" thiab "kev sib cuag tsis zoo". Lub neej kev pab cuam nruab nrab tuaj yeem ncav cuag 8-15 xyoo (xws li cov tshuab muaj zog thiab cov khoom siv hauv tsev siab kawg).

Aluminium hlau lub cev muaj zog:

Txhuas muaj lub zog tensile tsawg thiab nws yooj yim rau brittleness (tshwj xeeb tshaj yog nyob rau hauv qis- qhov kub thiab txias). Thaum winding, yog tias raug quab yuam ntau dhau, nws yog feem ntau tawg; Thiab aluminium muaj qhov ceev oxidation. Thaum txuas nrog tooj liab terminals (feem ntau lub cev muaj zog terminals yog ua los ntawm cov khoom siv tooj liab), kev sib cuag ntawm txhuas thiab tooj liab yuav tsim "thawj roj teeb", ua kom cov oxidation ntawm txhuas, ua rau muaj kev tiv thaiv thiab cua sov hnyav. Kev siv lub sij hawm ntev yog ua rau "qhov hluav taws xob hluav taws xob" thiab "winding breakage". Tsis tas li ntawd, thermal expansion coefficient ntawm txhuas hlau yog loj dua li ntawm tooj liab. Qhov kub thiab txias hloov los ntawm nquag pib thiab nres yuav ua rau muaj kev sib txhuam ntawm cov txhuas hlau thiab cov txheej txheej rwb thaiv tsev, ua rau lub neej luv ntawm cov txheej rwb thaiv tsev - lub neej nruab nrab ntawm txhuas hlau motors feem ntau yog 5-8 xyoo, thiab qhov tshwm sim ntawm kev ua tsis tiav tom qab yog siab dua (xws li pheej yig cov twj tso dej me me thiab cov kiv cua nkag).

 

4.Qhov hnyav thiab ntim: Aluminium hlau motors sib dua, tab sis tej zaum yuav loj dua

Copper hlau motor:

Qhov ntom ntawm tooj liab (8.96g / cm³) yog li ntawm 3.3 npaug siab dua li ntawm txhuas (2.7g / cm³). Nyob rau tib lub zog, qhov hnyav ntawm tooj liab hlau winding hnyav dua li ntawm txhuas hlau (xws li lub cev muaj zog 1.5kW, qhov twg tooj liab hlau winding hnyav txog 1.2kg thiab txhuas hlau hnyav txog 0.7kg). Txawm li cas los xij, vim qhov kev ua tau zoo ntawm cov hlau tooj liab, tsis tas yuav nce tus ntoo khaub lig- ntu ntu, thiab tag nrho cov ntim ntawm lub cev muaj zog ntau dua (xws li lub laptop txias kiv cua thiab me me servo motors, uas yuav tsum tau ntim siab thiab feem ntau siv tooj liab hlau).

Aluminium hlau lub cev muaj zog:

Aluminum has low density, lightweight windings, and the overall weight of the motor is 20% -30% lighter than copper wire motors, making it easier to transport (such as large floor fans and mobile air conditioners, where lightweight can reduce installation/movement costs). Txawm li cas los xij, txhawm rau them nyiaj rau qhov tsis txaus conductivity, cov hlau txhuas yuav tsum muaj qhov tuab ntawm cov ntu ntu ntu, uas tuaj yeem ua rau muaj qhov nce ntawm qhov ntim ntawm lub cev muaj zog stator (cov ntsiab lus tseem ceeb rau winding installation). Yog hais tias qhov loj ntawm lub cev muaj zog casing yog tsau, lub thicker aluminium hlau yuav nyem lub rwb thaiv tsev txheej qhov chaw thiab ua rau muaj kev pheej hmoo ntawm luv luv Circuit Court.