Kub sensors siv nyob rau hauv high-kub khoom siv hauv tsev xws li ncu, grills thiab microwave ncu yuav tsum tsis tshua muaj siab precision thiab kev ntseeg siab nyob rau hauv ntau lawm, vim hais tias lawv ncaj qha cuam tshuam rau kev nyab xeeb, zog efficiency, ua noj ua haus thiab kev pab lub neej ntawm cov khoom. Cov teeb meem tseem ceeb uas xav tau kev saib xyuas ntau tshaj plaws thaum tsim khoom muaj xws li:
I. Core Performance & Reliability
- Temperature Range & Accuracy:
- Define Requirements:Precisely qhia qhov siab tshaj qhov ntsuas qhov ntsuas qhov ntsuas yuav tsum ntsuas (piv txwv li, qhov cub mus txog 300 ° C +, qhov muaj peev xwm siab dua, qhov kub ntawm lub qhov cub microwave feem ntau qis dua tab sis cua sov sai).
- Kev xaiv khoom siv:Tag nrho cov ntaub ntawv (sensing element, rwb thaiv tsev, encapsulation, leads) yuav tsum tiv taus lub siab tshaj plaws kev khiav hauj lwm kub ntxiv rau ib tug kev nyab xeeb margin mus sij hawm ntev yam tsis muaj kev ua hauj lwm degradation los yog lub cev puas tsuaj.
- Calibration raug:Ua kom nruj binning thiab calibration thaum lub sij hawm tsim khoom los xyuas kom meej cov zis tawm (kuj, voltage) phim qhov kub thiab txias ntawm tag nrho cov kev ua hauj lwm ntau yam (tshwj xeeb tshaj yog cov ntsiab lus tseem ceeb xws li 100 ° C, 150 ° C, 200 ° C, 250 ° C), raws li cov qauv khoom siv (feem ntau ± 1% lossis ± 2 ° C).
- Thermal teb lub sij hawm:Optimize tsim (kev sojntsuam loj, qauv, thermal contact) kom ua tau raws li qhov yuav tsum tau thermal teb ceev (lub sij hawm tas li) rau kev tswj ceev cov tshuaj tiv thaiv.
- Long-Term Stability & Lifespan:
- Material Aging:Xaiv cov ntaub ntawv uas tiv taus qhov kub thiab txias kom paub meej cov ntsiab lus (piv txwv li, NTC thermistors, Pt RTDs, thermocouples), insulators (xws li, high-temperature ceramics, tshwj xeeb iav), encapsulation nyob ruaj khov nrog tsawg drift thaum lub sij hawm ntev-kub raug.
- Thermal Cycling Resistance:Sensors tiv taus cua sov / cua txias (on / off). Cov khoom coefficients ntawm thermal expansion (CTE) yuav tsum tau sib xws, thiab cov qauv tsim yuav tsum tiv thaiv thermal stress kom tsis txhob tawg, delamination, lead breakage, los yog drift.
- Thermal Shock Resistance:Tshwj xeeb tshaj yog nyob rau hauv microwaves, qhib qhov rooj ntxiv cov khoom noj txias tuaj yeem ua rau cov kab noj hniav kub poob sai. Sensors yuav tsum tiv taus qhov kub ceev hloov pauv.
II. Kev xaiv cov khoom & txheej txheem tswj
- High-Temperature Resistant Materials:
- Sensing Elements:NTC (feem ntau, yuav tsum tau tshwj xeeb high-temp formulation & iav encapsulation), Pt RTD (zoo stability & raug), K-Type Thermocouple (nqi-zoo, ntau yam).
- Cov khoom siv rwb thaiv tsev:High-temperature ceramics (Alumina, Zirconia), fused quartz, tshwj xeeb high-temp iav, mica, PFA / PTFE (rau qis dua temps). Yuav tsum muaj kev tiv thaiv kev tiv thaiv kom txaus thaum kub kub.
- Encapsulation/Housing Materials:Stainless hlau (304, 316 ntau), Inconel, siab kub ceramic raj. Yuav tsum tiv thaiv corrosion, oxidation, thiab muaj zog txhua yam.
- Hlau / Hlau:High-temp alloy xov hlau (xws li, Nichrome, Kanthal), npib tsib xee-plated tooj liab hlau (nrog high-temp rwb thaiv tsev zoo li fiberglass, mica, PFA / PTFE), them cable (rau T / Cs). Rwb thaiv tsev yuav tsum yog kub resistant thiab nplaim retardant.
- Solder / Jointing:Siv cov kub kub solder (xws li, nyiaj solder) los yog cov txheej txheem tsis siv xws li laser vuam lossis crimping. Standard solder melts ntawm high temps.
- Tus Qauv Tsim & Sealing:
- Mechanical Strength:Cov qauv kev sojntsuam yuav tsum muaj zog los tiv thaiv kev ntxhov siab ntawm kev teeb tsa (xws li, lub zog thaum lub sijhawm ntxig) thiab ua haujlwm ua haujlwm pob / vibration.
- Hermeticity / sealing:
- Moisture & Contaminant Ingress Tiv Thaiv:Qhov tseem ceeb los tiv thaiv cov dej vapor, roj, thiab cov khoom khib nyiab los ntawm kev nkag mus rau lub sensor sab hauv - qhov ua rau tsis ua hauj lwm (short circuits, corrosion, drift), tshwj xeeb tshaj yog nyob rau hauv steamy / greasy qhov cub / ntau qhov chaw.
- Txoj kev sealing:Cov iav-rau-hlau sealing (kev ntseeg siab), siab kub epoxy (yuav tsum tau xaiv nruj thiab tswj cov txheej txheem), brazing / O-rings (lub tsev pob qij txha).
- Lead Exit Seal:Ib qho tseem ceeb tsis muaj zog uas yuav tsum tau saib xyuas tshwj xeeb (piv txwv li, iav hlaws ntsaws ruaj ruaj, siab kub sealant filling).
- Cleanliness & Contaminant Control:
- Kev tsim khoom ib puag ncig yuav tsum tswj cov plua plav thiab cov pa paug.
- Cheebtsam thiab cov txheej txheem sib dhos yuav tsum tau ua kom huv si kom tsis txhob muab cov roj, cov khoom seem, thiab lwm yam, uas tuaj yeem hloov pauv, carbonize, lossis corrode thaum kub kub, kev ua haujlwm tsis zoo thiab lub neej ntev.
III. Hluav taws xob kev nyab xeeb & Electromagnetic Compatibility (EMC) - Tshwj xeeb tshaj yog rau Microwaves
- High-Voltage rwb thaiv tsev:Cov sensors nyob ze magnetrons lossis HV circuits hauv microwaves yuav tsum tau insulated kom tiv taus qhov muaj peev xwm siab (piv txwv li, kilovolts) los tiv thaiv kev tawg.
- Microwave Interference Resistance / Non-Metallic Design (Inside Microwave Cavity):
- Tseem ceeb!Sensors ncaj qha raug rau lub zog microwaveyuav tsum tsis muaj hlau(los yog cov khoom hlau xav tau kev tiv thaiv tshwj xeeb), txwv tsis pub arcing, microwave reflection, overheating, lossis magnetron puas tuaj yeem tshwm sim.
- Feem ntau sivtag nrho ceramic encapsulated thermistors (NTC), los yog mount metallic probes sab nraum lub waveguide/shield, siv cov uas tsis yog-metallic thermal conductors (xws li, ceramic pas nrig, high-temmp yas) hloov tshav kub mus rau ib tug kab noj hniav sojntsuam.
- Cov txhuas kuj xav tau kev saib xyuas tshwj xeeb rau kev tiv thaiv thiab lim kom tsis txhob muaj lub zog microwave tawm los yog cuam tshuam.
- EMC Tsim:Sensors thiab leads yuav tsum tsis txhob cuam tshuam (radiated) thiab yuav tsum tiv thaiv kev cuam tshuam (kev tiv thaiv) los ntawm lwm yam (motors, SMPS) kom ruaj khov teeb liab kis tau tus mob.
IV. Manufacturing & Quality Control
- Kev Tswjhwm nruj:Cov ncauj lus kom ntxaws specifications thiab nruj me ntsis rau soldering temp / sij hawm, sealing txheej txheem, encapsulation curing, ntxuav cov kauj ruam, thiab lwm yam.
- Comprehensive Testing & Hlawv-hauv:
- 100% Calibration & Functional Test:Txheeb xyuas cov zis hauv spec ntawm ntau qhov ntsuas kub.
- High-temperature Burn-hauv:Ua hauj lwm me ntsis saum toj no max ua hauj lwm temp los tshuaj ntsuam thaum ntxov tsis ua hauj lwm thiab stabilize kev ua tau zoo.
- Thermal Cycling Test:Simulate kev siv tiag tiag nrog ntau (piv txwv li, pua pua) ntawm lub voj voog siab / qis kom siv tau cov qauv kev ncaj ncees thiab kev ruaj ntseg.
- Rwb thaiv tsev & Hi-Pot Test:Kev ntsuas rwb thaiv tsev lub zog ntawm cov txhuas thiab nruab nrab ntawm cov txhuas / vaj tse.
- Seal Integrity Testing:Piv txwv li, helium leak test, siab cooker test (rau ya raws tsis kam).
- Mechanical Strength Testing:Piv txwv li, rub quab yuam, khoov kuaj.
- Microwave-Specific Testing:Kuaj rau arcing, microwave teb cuam tshuam, thiab ib txwm tso tawm nyob rau hauv ib puag ncig microwave.
V. Kev Ua Raws & Nqi
- Ua raws li Cov Qauv Kev Nyab Xeeb:Cov khoom lag luam yuav tsum ua kom tau raws li qhov yuav tsum tau muaj ntawv pov thawj kev nyab xeeb rau lub hom phiaj kev lag luam (xws li UL, cUL, CE, GS, CCC, PSE, KC), uas muaj cov ncauj lus kom ntxaws txog cov khoom siv, kev tsim kho, thiab kev ntsuam xyuas thermal sensors (xws li UL 60335-2-9 rau qhov cub, UL 923 rau microwaves).
- Tus nqi tswj:Kev lag luam khoom siv yog tus nqi-rhiab heev. Kev tsim, cov ntaub ntawv, thiab cov txheej txheem yuav tsum tau ua kom zoo los tswj cov nqi thaum lav qhov kev ua tau zoo, kev ntseeg siab, thiab kev nyab xeeb.
Cov ntsiab lus
Tsim cov ntsuas kub kub rau qhov cub, qhov ntau, thiab microwaveslub hauv paus rau kev daws cov teeb meem ntawm kev cia siab rau lub sij hawm ntev thiab kev nyab xeeb nyob rau hauv ib puag ncig hnyav.Qhov no xav tau:
1. Precise Material Selection:Tag nrho cov ntaub ntawv yuav tsum tiv taus qhov kub thiab txias thiab nyob ruaj khov mus ntev.
2. Txhim khu kev sealing:Kev tiv thaiv zoo ntawm cov dej noo thiab cov kab mob tsis huv yog qhov tseem ceeb.
3. Kev tsim kho muaj zog:Los tiv thaiv thermal thiab mechanical stress.
4. Precision Manufacturing & Rigorous Testing:Ua kom txhua lub tsev ua tau zoo thiab muaj kev nyab xeeb nyob rau hauv cov xwm txheej hnyav.
5. Kev Tsim Kho Tshwj Xeeb (Microwaves):Hais txog cov kev cai uas tsis yog-hlau thiab microwave cuam tshuam.
6. Kev Ua Raws Cai:Ua tau raws li qhov yuav tsum tau muaj ntawv pov thawj kev nyab xeeb thoob ntiaj teb.
Kev saib xyuas txhua yam tuaj yeem ua rau lub sijhawm tsis ua haujlwm ntawm cov khoom siv hnyav, cuam tshuam rau kev ua noj ua haus thiab kev ua haujlwm ntawm lub cuab yeej, los yog phem dua, ua rau muaj kev nyab xeeb (piv txwv li, thermal runaway ua rau hluav taws).Hauv cov khoom siv kub kub, txawm tias qhov tsis ua haujlwm me me tuaj yeem muaj qhov tshwm sim cascading, ua tib zoo saib xyuas txhua yam tseem ceeb.
Post lub sij hawm: Jun-07-2025