Kev taw qhia thiab kev siv ntawm Anemometersnd tub sab
Cua khob anemometer
Nws yog hom anemometer feem ntau. Lub khob anemometer * tau tsim los ntawm Robinson hauv Askiv thaum ntxov li plaub khob thaum lub sijhawm, tab sis tom qab ntawd hloov mus rau peb khob. Peb lub khob khoob khoob khoob khoob khoob khoob khoob khoob khoob khoob khoob khoob khoob khoob khoob khoob khoob khoob khoob khoob khoob khoob khoob khoob khoob khoob khoob khoob khoob khoob khoob khoob khoob khoob khoob khoob khoob khoob khoob khoob khoob khoob khoob khoob khoob khoob khoob khoob khoob khoob khoob khoob khoob khoob khoob khoob khoob khoob khoob khoob khoob khoob khoob khoob khoob khoob khoob khoob khoob khoob khoob khoob khoob khoob khoob khoob khoob khoob khoob khoob khoob khoob khoob khoob khoob khoob khoob khoob khoob khoob khoob khoob khoob khoob khoob khoob. Nyob rau hauv qhov kev txiav txim ntawm cua, lub khob cua tig ib ncig ntawm nws axis, thiab nws ceev yog proportional rau cua ceev. Kev ceev tuaj yeem kaw tau siv cov xov tooj hluav taws xob, tachogenerators, lossis optoelectronic counters.
Hom kiv cua
Nws yog ib qho anemometer nrog ib txheej ntawm peb lossis plaub lub ntsej muag rotating ib ncig ntawm kab rov tav axis. Lub kiv cua yog ntsia rau pem hauv ntej ntawm ib tug cua vane, yog li ntawd nws rotating dav hlau yog ib txwm tig rau cua.
Cov kev taw qhia ntawm lub anemometer yog proportional rau cua ceev.
Thermal anemometer
Ib tug hlau hlau rhuab los ntawm ib tug hluav taws xob tam sim no dissipated los ntawm cov cua ntws. Qhov kub dissipation tus nqi yog linearly cuam tshuam rau lub hauv paus square ntawm cua ceev, thiab ces linearized los ntawm ib tug hluav taws xob Circuit Court (kom yooj yim calibration thiab nyeem ntawv) los tsim ib tug thermal anemometer. Muaj ob hom kev ntsuas cua kub ceev: sab cua sov thiab cua sov ncaj qha. Lub thermal sensor ntawm sab cua sov hom feem ntau yog ua los ntawm manganese tooj liab hlau, nrog ib tug kuj kub coefficient nyob ze rau xoom, thiab ib tug ntsuas kub ntsuas yog ntsia rau ntawm nws nto. Cov cua sov ncaj qha * * feem ntau yog ua los ntawm platinum hlau, uas tuaj yeem ntsuas qhov kub ntawm * * nws tus kheej thaum ntsuas cua ceev. Lub thermal anemometer muaj qhov rhiab heev ntawm cov cua qis thiab tsim nyog rau kev ntsuas cua me me. Nws lub sijhawm tas mus li tsuas yog ob peb feem pua ntawm ib thib ob, ua rau nws yog ib qho tseem ceeb rau cov huab cua turbulence thiab kev ntsuas huab cua ua liaj ua teb.
Digital anemometer
Lub digital anemometer yog lub ntsuas cua loj tshaj qhov ntsuas cua nrawm thiab lub tswb nrov tsim tshwj xeeb rau ntau yam khoom siv tshuab loj, uas siv cov khoom siv digital anemometers sab hauv.
Lub microprocessor ua haujlwm tseem ceeb hauv kev tswj hwm, thiab cov thev naus laus zis digital kev sib txuas lus tau siv rau ntawm qhov chaw. Lub kaw lus muaj kev ruaj ntseg siab, muaj zog tiv thaiv kev cuam tshuam, thiab kev txheeb xyuas qhov tseeb. Lub khob cua yog ua los ntawm cov ntaub ntawv tshwj xeeb, nrog cov neeg kho tshuab siab thiab muaj zog cua tsis kam. Cov ntaub ntawv tsim yog tshiab thiab tshwj xeeb, ruaj khov thiab ruaj khov, thiab yooj yim rau nruab thiab siv. Txhua qhov hluav taws xob cuam tshuam ua raws li cov qauv thoob ntiaj teb thiab tsis muaj kev debugging thaum lub sijhawm teeb tsa, tsim nyog rau qhov chaw ua haujlwm sib txawv.
Cov anemometer digital yog siv los ntsuas qhov nrawm nrawm thiab nruab nrab cua nrawm, thiab muaj cov haujlwm xws li kev saib xyuas tsis siv neeg, cov khoom siv lub sijhawm tiag tiag, thiab tshaj li kev txwv lub tswb.
Acoustic anemometer muaj
Cua ceev tivthaiv nyob rau hauv cov kev taw qhia ntawm lub suab yoj propagation yuav nce (los yog txo) qhov ceev ntawm lub suab nthwv dej propagation, thiab acoustic anemometers uas siv cov yam ntxwv no yuav siv tau los ntsuas cov cua ceev tivthaiv. Lub acoustic anemometer muaj tsawg kawg yog ob khub ntawm kev hnov lus, txhua khub nrog rau lub suab thiab lub receiver. Ua kom lub suab nthwv dej ntawm ob lub suab nrov tshaj tawm hauv qhov sib txawv. Yog hais tias ib pawg ntawm cov suab nthwv dej propagates raws lub cua ceev tivthaiv thiab lwm pab pawg neeg tshwm sim propagate tawm tsam cua, lub sij hawm sib txawv ntawm ob lub receivers tau suab pulses yuav proportional rau cov cua ceev tivthaiv. Yog tias ob khub ntawm cov khoom raug teeb tsa ib txhij nyob rau hauv kab rov tav thiab ntsug cov lus qhia, kab rov tav cua ceev, cua kev taw qhia, thiab ntsug cua nrawm tuaj yeem suav cais. Vim yog qhov zoo ntawm kev cuam tshuam thiab kev coj ua zoo ntawm ultrasound, qhov zaus ntawm lub suab tsis tawm los ntawm acoustic anemometers feem ntau yog nyob rau hauv ultrasonic band.
