Vim li cas Kub Khiav Thermocouples ua rau kub tsis ruaj khov?
Qhov kub tsis ruaj tsis khov yog ib qho ua tsis tau zoo tshaj plaws hauv cov tshuab kub khiav, thiab cov teeb meem thermocouple feem ntau yog lub hauv paus. Cov thermocouples tsis raug, puas, lossis tsis raug teeb tsa ua rau muaj kev kub ntxhov, kev txhaj tshuaj txias, cov khoom siv hluav taws xob, thiab qhov tsis xws luag. Kab lus no txheeb xyuas cov laj thawj tseem ceeb rau kev tsis sib haum xeeb ntawm thermocouple.
Thermocouple drift thiab aging yog thawj qhov ua rau. Lub sij hawm ntev high-temperature cycling hloov cov txheej txheem sab hauv, ua rau cov teeb liab sib txawv. Tus maub los tau txais cov ntawv nyeem tsis raug, ua rau muaj cua sov tsis tu ncua lossis cua sov tsis txaus. K-hom thiab J-type sensors tshwj xeeb tshaj yog yoog raws thaum ua haujlwm ze lawv qhov ntsuas kub siab.
Kev txhim kho tsis zoo thiab xoob xoob tsim kom muaj huab cua sib txawv ntawm qhov kev sojntsuam thiab hlau. Huab cua ua raws li rwb thaiv tsev, ncua kev hloov cua sov thiab ua rau kev ntsuas lag. Tus maub los overcompensates, ua rau kub kub swings. Ntau tus kws tshaj lij tsis quav ntsej thermal muab tshuaj txhuam, uas yog tsim nyog los tshem tawm qhov khoob thiab txhim kho qhov tseeb.
Kev puas tsuaj rau tshuab feem ntau tshwm sim thaum lub sij hawm sib dhos pwm, tu, lossis thauj. Bent probes, tawg sheaths, los yog tawg nyob rau hauv cov xov tooj cua cuam tshuam lub thermoelectric Circuit Court, ua rau tsis sib xws cov teeb liab los yog random spikes. Txawm tias me ntsis deformation hloov thermal teb thiab ua rau lub sij hawm ntev instability.
Electromagnetic cuam tshuam (EMI) distorts tsis muaj zog thermocouple signals. Cov kab hluav taws xob cua sov, lub cev muaj zog, thiab cov khoom siv hluav taws xob siab ua kom muaj suab nrov uas cuam tshuam rau kev ntsuas. Yog tias tsis muaj kev tiv thaiv los yog hauv av, tus tswj tau txais cov tswv yim tsis ruaj khov, ua rau muaj kev hloov pauv sai.
Kev xaim hluav taws xob thiab kev sib txuas tsis ua haujlwm yog muaj nyob rau hauv ib puag ncig kev lag luam. Loose terminals, corroded connectors, los yog puas rwb thaiv tsev ua rau Circuit Court kuj, distorting voltage signals. Cov kub kub ua kom cov rwb thaiv tsev laus, ua rau muaj kev pheej hmoo luv luv.
Hom thermocouple tsis raug ua rau muaj teeb meem kev sib raug zoo. Kev siv J-type sensors hauv kev siv hluav taws xob kub kub ua rau muaj kev cuam tshuam sai thiab tsis ua haujlwm. Kev siv cov cuab yeej siv qib qis hauv cov pwm precision ua rau tsis txaus.
Kev kis kab mob ze ntawm lub rooj vag thiab lub nozzle cuam tshuam rau kev ua haujlwm ntawm thermocouple. Carbon deposits, degraded resin, los yog additives insulate lub sojntsuam taub hau, ncua sij hawm teb. Qhov no feem ntau nrog PVC, PET, thiab lwm yam khoom siv hluav taws xob.
Txias junction them ua yuam kev ua rau muaj kev tsis ruaj khov. Hloov cov kub ambient cuam tshuam rau qhov kev sib tshuam siv. Tsis muaj kev them nyiaj tsis siv neeg, tso tawm qhov kub thiab txias deviates los ntawm kev muaj tiag, ua rau kev tswj tsis ruaj khov.
Cov maub los tsis sib xws ua kom cov teeb meem thermocouple. Kev teeb tsa PID tsis raug, piv txwv qeeb, lossis cov qauv tswj tsis tsim nyog tiv thaiv kev ruaj khov txawm tias muaj cov ntsuas zoo. Tsis zoo tuned systems ua rau tsis tu ncua oscillations.
Hauv kev xaus, thermocouple-related kub tsis ruaj khov tshwm sim los ntawm kev sib tsoo, kev teeb tsa, kev puas tsuaj, cuam tshuam, xaim, xaiv, sib kis, kev them nyiaj, thiab kev teeb tsa tswj. Kev nkag siab txog cov laj thawj no pab pab pawg saib xyuas cov teeb meem sai. Kev tshuaj xyuas tsis tu ncua, kev teeb tsa kom raug, thiab cov khoom siv zoo heev txo qis kev ruaj ntseg thiab txhim kho kev ruaj ntseg ntau lawm.
