Lub transducer yog ib qho khoom siv uas hloov lub zog ntawm ib daim ntawv mus rau lwm qhov.zaus transducerstshwj xeeb hloov cov teeb liab ntawm qhov hloov pauv tam sim no thiab qib voltage sib xws. Qhov no tso cai rau cov zaus ntsuas thiab siv hauv ntau daim ntawv thov. Cia peb ua tib zoo saib seb qhov zaus transducers ua haujlwm li cas thiab lawv qhov tseem ceeb siv.
Dab tsi yog Frequency Transducer?
Ib zaus transducer, tseem hu ua zaus-rau-voltage converter, yog ib tug sensor uas siv nyob rau hauv ib tug input zaus teeb liab thiab converts nws mus rau ib tug analog voltage tso zis proportional rau qhov zaus.
Cov khoom tseem ceeb yog lub voj voog oscillator los tsim cov teeb liab tawm tswv yim thiab lub converter uas cuam tshuam cov oscillations mus rau qhov voltage. Cov hom muaj xws li voltage-controlled oscillators (VCOs), capacitive sensors, thiab Hall effect transducers.
Cov ntsiab lus tseem ceeb uas qhia cov zaus transducers suav nrog:
- Input zaus ntau yam - feem ntau yog 0-1KHz, 0-5KHz, 0-10KHz
- Cov zis hluav taws xob ntau - ntau theem yog 0-5V, 0-10V
- Kev daws teeb meem - yam tsawg kawg nkaus kuaj tau qhov hloov pauv, cuam tshuam rau qhov tseeb
- Qhov tseeb / linearity - qhov tso zis voltage zoo npaum li cas sib tw input zaus
- Lub sij hawm teb - lag ntawm qhov kev hloov zaus thiab qhov hloov pauv hloov pauv
Frequency transducers muab ib txoj hauv kev yooj yim los txhais cov nqi zaus rau hauv cov cim ntsuas ntsuas tau. Cov zis hluav taws xob tam sim no tuaj yeem ua kom nrov, txias, tso tawm, kaw, lossis siv hauv cov tshuab tswj.
Yuav ua li cas zaus Transducers ua haujlwm?
Muaj ob peb hom circuits siv nyob rau hauv zaus transducers:
1. Voltage-Controlled Oscillator (VCO)
Qhov no generates ib tug voltage-dependent zaus tso zis. Ib qho input conditioning circuit converts qhov ntsuas zaus mus rau qhov tswj voltage rau VCO. Nws oscillation zaus sib txawv linearly nrog no tswj voltage. Lub VCO tso zis yog lub transducer tus coj analog voltage teeb liab.
2. Counter/Digital Converter
Lub input zaus ua rau lub txee hluav taws xob hla lub qhov rais lub sijhawm. Tag nrho cov suav yog proportional rau zaus thiab hloov mus rau ib qho analog voltage tso zis los ntawm ib tug digital-rau-analog converter.
3. Phase-Locked Loop (PLL)
Lub PLL synchronizes ib qho voltage-tswj oscillator nrog rau qhov ntsuas input zaus. Kev tswj qhov hluav taws xob ntawm VCO tsim nyog rau xauv nrog cov tswv yim dhau los ua qhov tso zis analog voltage.
Txawm hais tias qhov tseeb Circuit Court, lub hom phiaj tseem ceeb ntawm lub zaus transducer yog los tsim kom muaj qhov ntsuas hluav taws xob ntsuas qhov ntsuas qhov sib xws nrog cov teeb liab input zaus.
Kev siv ntawm zaus Transducers
Cov zaus transducers feem ntau siv rau kev ntsuas thiab tswj kev siv:
- Tachometers - ntsuas lub cev muaj zog, ncej, lossis turbine tig ceev
- Flow meters - ntes ntws los ntawm paddle log volumetric sensors
- Kev tshawb nrhiav qib - cuam tshuam qhov siab rau zaus hauv cov tso tsheb hlau luam lossis cov chaw cia khoom
- Kev soj ntsuam kev vibration - taug qab oscillation tus nqi ntawm cov qauv thiab tshuab
- Siab sensors - cuam tshuam lub zog oscillations rau siab
- Cov teeb liab kev hloov pauv - hloov cov teeb liab baseband rau ntau zaus rau kev sib kis
-Velocity sensors - hloov txav ceev mus rau qhov sib thooj
- Ntau zaus - tsim kom muaj kev sib haum xeeb ntau dua ntawm cov cim taw qhia
- PID tswj - muab tswv yim rau stabilizing lub cev muaj zog ceev
Cov zaus transducers tsim cov voltages uas tso cai rau cov txheej txheem nyuaj rau kev hloov kho cov txheej txheem hloov pauv los ntawm kev kaw lub voj. Lawv calibration stability yog qhov tseem ceeb rau kev saib xyuas thiab tswj kom raug.
Xaiv txoj cai zaus Transducer
Cov kev xaiv tseem ceeb rau zaus transducers muaj xws li:
- Cov khoom siv ntau zaus - yuav tsum them cov cim ntsuas ntsuas
- Output voltage ntau - phim rau analog input xav tau
- Linearity yuam kev - qhov sib txawv tsawg kawg ntawm ntau yam
- Kev daws teeb meem - txheeb xyuas qhov hloov pauv me me
- Lub sij hawm teb - nrhiav kom tau sai ntawm cov sij hawm hloov
- Ib puag ncig - kub, av noo, suab nrov compatibility
- Ntim - module, board-theem, me me
- Kev ua raws li EMC - tiv thaiv kev cuam tshuam ntawm electromagnetic
Kev xaiv cov transducer kom raug, kev teeb tsa thiab ntsuas ntsuas pab kom ntsuas kev ntseeg siab hauv cov tshuab hluav taws xob.
Frequency transducers sau lub luag haujlwm tseem ceeb hauv kev ntsuas thiab tswj cov txheej txheem. Los ntawm converting input zaus mus rau usable voltage outputs, lawv pab kom muaj peev xwm tseem ceeb:
- Kev tshuaj xyuas lub sijhawm tiag tiag
- Kaw-loop tawm tswv yim tswj
- Ntau zaus raws li cov ntaub ntawv tau txais
- Txhim kho cov txheej txheem pom kev pom thiab kev kuaj mob
Nrog lawv cov kev ua haujlwm yooj yim tab sis tseem ceeb heev, zaus transducers yuav txuas ntxiv mus rau automation thiab ntsuas technologies.
Xi'an Guosheng Laser Technology Co., Ltd. yog lub tuam txhab high-tech tshwj xeeb hauv R & D, tsim thiab muag cov tshuab laser tsis siv neeg cladding, high-speed laser cladding tshuab, laser quenching tshuab, laser vuam tshuab thiab laser 3D tshuab luam ntawv. Peb cov khoom raug nqi zoo thiab muag hauv tsev thiab txawv teb chaws. Yog tias koj txaus siab rau peb cov khoom, thov hu rau peb ntawmbob@gshenglaser.com.
Cov ntaub ntawv:
1. Fraden, J. (2004). Phau ntawv ntawm niaj hnub sensors: physics, tsim, thiab kev siv. Springer Science & Kev Lag Luam Media.
2. Malaric, R. (2011). Kev ntsuas thiab ntsuas hauv hluav taws xob engineering. BrownWalker Xovxwm.
3. Pallàs-Areny, R., & Webster, JG (2001). Sensors thiab teeb liab txias. John Wiley & Tub.
4. Webster, JG (1999). Phau ntawv ntsuas, ntsuas thiab sensors. CRC xovxwm.