Mechanical tachometers yog txuas nrog lub cav tsav los ntawm txoj kev hloov pauv. Lub ncej tig ib lub hlau nplaum nyob rau hauv qhov taw qhia casing (nyob rau hauv ib lub khob txhuas txhuas). Lub rotating hlau nplaum rotating hlau nplaum Cov tswv yim siv ntawm rotating magnetic teb nyob rau hauv AC lub cev muaj zog yog feem ntau ntaus nqi rau ob inventors, lub Italian physicist thiab hluav taws xob engineer Galileo Ferraris, thiab Serbian-American inventor thiab hluav taws xob. engineer Nikola Tesla. https://en.wikipedia.org › wiki › Rotating_magnetic_field
Rotating magnetic teb - Wikipedia
teeb tsa eddy tam sim no hauv khob uas muaj lawv tus kheej magnetic teb.
hom tachometer yam twg tsis yog qhov tseeb?
3 Analog tachometers Analog tachometers yog qhov tseeb tsawg dua li digital tachometers tab sis tseem tseem siv tau zoo hauv ntau daim ntawv thov. Ntau hom muaj nyob: DC tachometer muaj qhov tso zis uas yog kwv yees li qhov sib npaug ntawm nws qhov kev sib hloov ceev.
Dab tsi yog ob hom turbine cav tachometer?
Cov no yog cov teev ntsuas uas ua raws lub sijhawm lub cav ua haujlwm. Muaj ob hom tachometer system nyob rau hauv dav siv niaj hnub no: tshuab thiab hluav taws xob. Daim duab 10-54. Ib qho yooj yim sib nqus rub khob tachometer qhia ntaus ntawv.
Lub tshuab hluav taws xob reciprocating tachometer qhia dab tsi?
Lub tachometer, los yog tach, yog ib qho cuab yeej uas qhia qhov ceev ntawm lub crankshaft ntawm lub tshuab reciprocating. Nws tuaj yeem yog lub ntsuas hluav taws xob ncaj qha lossis chaw taws teeb qhia, lub xov tooj ntawm qhov ntsuas tau ntsuas los qhia txog kev hloov pauv ib feeb (rpm).
aircraft tachometer yog dab tsi?
A tachometer yog ib lub cuab yeej rau suav. Nws yog siv los qhia tus naj npawb ntawm cov kiv puag ncig ib feeb (RPM) ntawm lub cav dav hlau. Lub dav hlau xav tau ib lub tachometer rau txhua lub cav. Cov lus qhia. Lub dav hlau dav hlau tshuab feem ntau khiav nrawm dua li nws cov kiv cua.