Yuav tshawb xyuas qhov tsis ua haujlwm ntawm cov khoom siv kub

Qhov tseem ceeb tsom xam cov kev txawj ntse ntsuas yuav tsum tau ua ke nrog nws cov cai ua ke, daim paib txuas thiab cov txheej txheem hauv qab no yog cov txheej txheem daws teeb meem thiab kev daws teeb meem:
I {.} Kev Tshuaj Xyuas Kev Soj Ntsuam Ua Ntej
1. Cov Kab Mob
Lub zog muab khoom thiab tso saib:
Txheeb xyuas seb puas siv hluav taws xob voltage ntsib cov specifications (AC / DC 24V ± 10% lossis lwm yam);
Saib seb puas yog lub vijtsam qhia txog qhov txawv txav (xws li e01 rau sensor qhib Circuit Court).
Kev ntsuas hluav taws xob:
Paub meej tias cov thermocouple / thermal resistor wiring tsis xoob, oxidized lossis luv-circuited;
Thermoroces yuav tsum tau them sai sai rau polarity (+/-), thiab cov qauv xov hlau ua ke (xws li kx xaim).
{{02.} Cov Lus Qhia Kev Tshawb Xyuas
Thermocouple:
Siv ib qho ntau ntau los ntsuas tus lej MV thiab xam cov theoretical kub tawm tsam lub rooj ua tiav;
Luv luv-circuit lub tswv yim lub davhlau ya nyob twg {}}}}} Yog qhov ntsuas kub yog tso tawm, nws yog qhov ua tau zoo thiab qhov kev txhaum yog nyob rau hauv lub sensor lossis Circuit Court.
Thermal resistor:
Ntsuas cov nqi RT (xws li PT1 {0 0 yog 100ω ntawm 0 degree), xyuas seb puas tau qhib lossis luv-circuited lossis luv-circuited;
Peb-xaim / plaub-xaim system yuav tsum tau txheeb xyuas cov kab tsis kam sib npaug.
2.} sensor Txhaum kev kuaj
{{01. Cov teeb meem ntawm thermocouples
Cov pa phem thiab kev laus:
Tshwm sim: kub txav los yog dhia;
Tuav: huv si lossis hloov cov kev sojntsuam, thiab cov thermored thermocouples tau pom zoo rau ib puag ncig kub {}}
Yog tsis muaj peev xwm txias kawg:
Tshawb xyuas seb puas muaj qhov kub txias kawg (xws li AD590) sab hauv lub ntsuas yog puas;
Thaum txuas cov xov tooj sab nraud sab nraud, xyuas kom meej tias qhov txias txias txias yog ruaj khov .
2.} thermal resistor tsis ua haujlwm
Hlau tiv thaiv:
Hauv peb-xaim hluav taws xob, yog tias cov kab tsis kam> 1ω xav tau kho;
Plaub-xaim system tuaj yeem tsis quav ntsej cov hlau tiv thaiv thiab yog qhov tsim nyog rau kev sib kis mus ntev {}}
Rwb thaiv tsev dim:
Siv Moohmeter ntsuas cov rwb thaiv tsev rwb thaiv tsev tsis kam (yuav tsum tau> 100mω), thiab qhuav nws thaum nws damp .
{{0 {}} Kos npe kis thiab cuam tshuam daws teeb meem
1. Electromagnict (EMI)
Tshwm sim: tso tawm cov nqi hloov lossis tsis zoo;
Kev daws teeb meem:
Txheeb xyuas seb puas tau teeb liab kab yog sib piv rau cov kab hluav taws xob (khaws cia deb ntawm ntau dua 30cm);
Seb cov txheej txheem thaiv npog yog ib qho-xaus rau hauv av kom tsis txhob muaj ntau lub ntsiab lus hauv av .
2. teeb liab attenuation
Kev sib kis tau ntev:
Thermocouple MV teeb liab yog pom zoo kom tsawg dua lossis sib npaug nrog 50m, thiab lub tshuab xa khoom yog qhov yuav tsum tau yog tias nws ntau tshaj qhov txwv;
Cov ntoo khaub lig hla ntawm cov thermal resistor hlau yuav tsum muaj ntau dua los yog sib npaug ntawm 1 {{{}}}, kom muaj kev tawm tsam yog tsawg dua lossis sib npaug.
{{0 {}} fais fab mov thiab kho vajtsw tsis ua haujlwm
1. fais fab muab cuam tshuam loj
Siv tus oscilloscope los ntsuas lub hwj chim tawm tswv yim xaus, thiab ripple yuav tsum yog<100mV;
Nruab ib lim lossis hloov cov khoom siv hluav taws xob linear .
2.} Circuit Court Board tsis ua hauj lwm
Cov kev puas tsuaj tshwj xeeb:
Precision Reseperor drift (ua rau kev ntsuas tsis ua haujlwm);
Analog-rau-digital converter (ADC) nti tsis ua hauj lwm (yuav tsum tau rov qab mus rau lub Hoobkas rau kev kho).
{{0 {}} software software thiab teeb meem configuration
1.} parameter teev yuam kev
Cov lej kawm tiav: paub meej tias qhov ntsuas teeb tsa tau sib xws nrog hom sensor (xws li K / J / S hom);
Ntau ntau cov overlimit: thaum cov phiajcim cov cim tshaj qhov ntsuas tau ntau dua, cov chaw yuav tsum tau hloov kho lossis cov cuab yeej xav tau hloov ing6}}
2.} calibration tsis ua hauj lwm
Txheeb xyuas lub voj voog cycle (pom zoo ib xyoos ib zaug);
Siv cov phiajcim txheem txheem (xws li lub tshuab hluav taws xob tsim hluav taws xob) txhawm rau txhawm rau paub MV / ω tus nqi los xyuas cov zaub qhov tseeb {}}
6.} environment environment environmental fact factດ
1.} kub ceev
Qhov ntsuas kev ua haujlwm kub yuav tsum tau nyob hauv thaj tsam ntawm -20℃~ 60℃{2} {} .
2. av noo thiab hmoov av
Thaum qib kev tiv thaiv tsis txaus, dej vapor lossis hmoov av nkag mus thiab ua rau muaj lub luv luv ntawm Circuit Court;
Lub thawv dej tsis xav tau teeb tsa lossis ntxuav kom tsis tu ncua .
7. Nrhiav cov cuab yeej
Qhov ntsuas hluav taws xob infrared: ntes qhov tsis txaus ntseeg nce ntawm cov khoom siv sab hauv (xws li overheating ntawm resistors);
Cov Ntaub Ntawv Sau Cov Ntaub Ntawv: Sau cov ntaub ntawv txuas ntxiv thiab tsom xam cov kev sib txawv;
Teeb liab butterator: Ntu Kev Ntsuas Cov paib txuas rau qhov chaw ua txhaum cov ntsiab lus .
8.}} tsis xwm txheej
Ua tsis tiav qhov tshwm sim muaj peev xwm ua tau cov tshuaj
Cov nqi xaiv ua tsis yog qhov kev xaiv tsis tu ncua
Kub jumps thiab yog qhov tsis txaus ntseeg lub davhlau ya nyob twg yog xoob lub davhlau ya nyob twg thiab kho nws nrog anti-kev co kua nplaum
Qhov ntsuas tsis muaj teeb lub hwj chim fuse yog tshuab hloov lub fuse ntawm tib qho kev tshwj xeeb thiab tshawb xyuas seb qhov chaw tom ntej yog luv-ciruited
Thermal Kuj Pom Qhov Tsis Zoo Peb-Hlau Hlau txuas nrog Reversely lossis tawg Rewire thiab Tshawb Xyuas Circuit Court
Ix {. Kev Tiv Thaiv Txij Nkawm
Kev ntsuas hluav taws xob tsis tu ncua: Siv tus high-precision tastoos da dej (xws li ± 0.1 Qib) kom paub tseeb qhov tseeb-teev raug;
Kev tsim qauv redundant: teeb tsa dual sensors lossis dual-channel cov twj paj nruas ntsuas;
Saib Xyuas: Nruab ib puag ncig thiab cov av noo ze rau ntawm qhov ntsuas kom sau cov chaw ib puag ncig {}}