Cov Khoom Siv Taw Qhia: Stainless Hlau, Incoloy, thiab CR20Ni80 Advantage
Lub tshuab hluav taws xob cartridge tau pom los ntawm sab nraud los ua lub raj hlau yooj yim. Sab hauv, txawm li cas los xij, ua tib zoo tsim cov txheej txheem ntawm cov hlau ua haujlwm hauv kev hais kwv txhiaj los tsim thiab hloov cov cua sov kom ntseeg tau. Rau 5V ib leeg- lub taub hau cartridge rhaub ua haujlwm hauv kev xav tau, kev siv cov ntaub ntawv sib txuas, kev xaiv cov ntaub ntawv tsis yog qhov nthuav dav xwb- nws yog qhov tseem ceeb ntawm kev ua tau zoo, kev ua haujlwm ntev, thiab kev nyab xeeb ntawm daim ntawv thov.
Lub plawv: Cov Hlau Resistance
Lub hauv paus ntawm lub rhaub yog nws cov hlau tsis kam, lub luag haujlwm rau kev hloov hluav taws xob hluav taws xob mus rau lub zog thermal. Thaum muaj ntau yam nichrome alloys nyob, tus qauv hwm rau kev ua tau zoo thiab kev ntseeg tau yogCR20Ni80(tseem hu ua NiCr 80/20), alloy ntawm 80% nickel thiab 20% chromium. Nws qhov zoo yog qhov tseem ceeb rau qis -voltage designs:
Siab Resistant:Nws muab kev tiv thaiv hluav taws xob siab rau ib chav tsev ntev. Qhov no tso cai rau luv luv, ntau compact coil kom ua tau raws li qhov yuav tsum tau ua rau 5V, siab - haujlwm tam sim no, uas yog qhov tseem ceeb rau kev ua haujlwm me me.
Siab -Tsub stability:Nws tuav cov oxidation zoo heev thiab cov neeg kho tshuab lub zog (ua haujlwm rau sagging, deformation, thiab embrittlement) ntawm qhov kub thiab txias, tiv thaiv cov luv luv Circuit Court thiab ua kom muaj txiaj ntsig zoo ib yam ntawm nws lub neej.
Txhim kho Corrosion Resistance: Muab piv rau qis dua -nickel lwm txoj hauv kev, CR20Ni80 muaj kev tiv thaiv zoo tshaj plaws rau oxidation thiab corrosive cua, ua rau lub sij hawm ntev - ruaj khov, tshwj xeeb tshaj yog nyob rau hauv ib puag ncig nyuaj.
Interface: Cov ntaub ntawv Sheath
Lub sheath yog thawj qhov sib cuam tshuam nrog ib puag ncig thiab yuav tsum tau xaiv raws li qhov ntsuas kub thiab nruab nrab.
Stainless hlau 304: General -lub hom phiaj workhorse, haum rau huv, qhuav daim ntaub ntawv nrog rau kev khiav hauj lwm kub tsis tu ncua feem ntau mus txog rau650 degree. Nws muaj qhov zoo oxidation tsis kam thiab tus nqi.
Stainless hlau 316:Muaj molybdenum, muab kev txhim kho zoo rau pitting thiab crevice corrosion los ntawm chlorides, qaug zog acids, thiab lwm yam corrosive agents. Nws yog tusyam tsawg kawg nkaus tus qauv rau zaub mov-qib, kev kho mob, marine, los yog siv tshuaj lom neegthiab yog qhov tseem ceeb rau txhua qhov kev tso cua sov hauv qhov tsis yog - dej ntshiab.
Incoloy (eg, 800/840):Ib tsev neeg ntawm nickel{0}} hlau- chromium alloys. Lawv tsim ib tug tenacious, tus kheej - kho oxide txheej uas muab zoo heev tiv thaiv oxidation, carburization, thiab sulfidation ntawm kub kub. RauKev ua haujlwm tas mus li saum 650 degree, hnyav thermal cycling, los yog nyob rau hauv cov huab cua uas yuav degrade stainless hlau, ib qho Incoloy sheath yog tsim nyog los tiv thaiv scaling, phab ntsa thinning, thiab ua tsis tiav ntxov ntxov.
Lub Enabler: Rwb thaiv tsev thiab Densification
Cov khoom nruab nrab ntawm lub coil thiab sheath yog ib qho tseem ceeb.Siab -purity, calcined Magnesium Oxide (MgO)hmoov yog lub universal insulator ntawm kev xaiv rau nws zoo heev dielectric zog thiab zoo thermal conductivity. Kev ua tau zoo yog txhais los ntawm purity thiab grain loj tis, uas cuam tshuam rau packing ceev.
Cov txheej txheem tsim khoom uas qhib MgO lub peev xwm yogswaging(radial compression). Qhov no hloov cov hmoov xoob mus rau hauv qhov ntom ntom, thermally conductive, thiab mechanically solid ceramic core. Cov txheej txheem no:
Tshem tawm insulating cua qhov khoob, ua kom sov hloov mus rau hauv cov ntaub.
Immobilizes cov hlau tsis kam, tiv thaiv kev txav thiab luv luv los ntawm kev co lossis thermal cycling.
Dramatically nce lub zog dielectric thiab noo noo tsis kam ntawm lub rooj sib txoos.
System Integration: Seals thiab Terminations
Rau ib puag ncig hnyav, kev xaiv cov khoom siv txuas ntxiv mus rau kev sib koom ua ke.
Cov ntsaws ruaj ruaj:Immersion lossis washdown daim ntawv thov yuav tsum tauhermetic seals (iav-rau-hlau lossis ceramic-rau-hlau) ntawm cov hlau lead tawm kom tsis txhob ya raws nkag mus rau hauv hygroscopic MgO. High - kub epoxy los yog silicone seals yog haum rau tsawg thov, qhuav daim ntaub ntawv.
Kev txiav txim siab: Qhov siab tam sim no nyob rau hauv 5V lub tshuab cua sov xav tau qhov tsawg -tsis kam, muaj zog kev sib txuas ntawm cov xaim hluav taws xob sab hauv thiab cov coj sab nraud.Precision vuam yog nyiam tshaj crimping kom ntseeg tau tias ruaj khov, qis-kev sib koom ua ke uas yuav tsis degrade thiab overheat.
Xaus: Matching Alloy to the Environment
Kev sib cuam tshuam ntawm cov ntaub ntawv no txhais tau hais tias lub tshuab ua kom sov lub peev xwm, qhia txog kev txhim khu kev qha watt ceev thiab kev pab lub neej. Xaiv txoj kev sib xyaw ua ke yog ib qho kev tawm dag zog hauv kev sib txuam ib puag ncig:
Standard Duty:CR20Ni80 coil nrog SS304 sheath thiab swaged MgO core.
Corrosive / ntub dej ua haujlwm:CR20Ni80 coil nrog SS316 (los yog siab dua alloy) sheath thiab hermetic foob.
Siab -Tshav kub / Lub luag haujlwm hnyav:CR20Ni80 coil nrog Incoloy sheath thiab swaged MgO core.
Muab cov nqi sib txawv ntawm cov khoom siv no, kev sib koom tes nrog cov chaw tsim khoom muaj peev xwm yog qhov tseem ceeb rau kev qhia lub tshuab cua sov uas tsis dhau -engineered (ntxiv cov nqi tsis tsim nyog) lossis qis dua - tshwj xeeb ( pheej hmoo ua tsis tiav ntxov), kom ntseeg tau tias kev ua haujlwm zoo rau daim ntawv thov tshwj xeeb.
