Yuav ua li cas koj kos rau kos rau ntawm lub tsheb roj teeb?
Yuav ua li cas koj kos rau kos rau ntawm lub tsheb roj teeb?

Video: Yuav ua li cas koj kos rau kos rau ntawm lub tsheb roj teeb?

Video: Yuav ua li cas koj kos rau kos rau ntawm lub tsheb roj teeb?
Video: Yuav tawm ntawm txoj kev txom nyem tau li cas? 2024, Kaum ib hlis
Anonim

Rub qhov tsis zoo tawm ntawm roj teeb . Muab tso rau xeem teeb nruab nrab ntawm tus ncej thiab xaim av. Yog hais tias lub teeb illuminates, koj muaj ib tug kos . Siv lub fuse rub txoj kev los nrhiav cov kos ; Thaum lub teeb tawm, koj pom lub kos.

Tsis tas li ntawd, lub roj teeb puas tuaj yeem ua rau tus kab mob cab?

Hom no ntws hu ua parasitic ntws . Kab mob Cov dej ntws qis dua 75 milliamps yog qhov qub, tab sis ib qho twg parasitic ntws ntau tshaj 75 milliamps yuav ntws tus roj teeb sai sai. Alternators nrog phem diodes tuaj yeem ua rau lub roj teeb ntws . Lub tshuab hluav taws xob hloov nrog lub diode zoo tso cai rau tam sim no ntws hauv ib qho kev taw qhia.

Ib yam li ntawd, dab tsi yog parasitic draw? Parasitic kos los yog ntws yog lub sijhawm rau cov khoom siv hluav taws xob siv hluav taws xob thaum nws yuav tsum tsis txhob, txawm tias tom qab nws thiab lub tsheb tau raug kaw lawm. Qhov no yuav ua rau lub tsheb hluav taws xob ua haujlwm tsis raug thiab lub tsheb yuav pom ib lossis ntau cov tsos mob hauv qab no: Lub roj teeb tsis tu ncua.

Ib yam li ntawd, dab tsi yog qhov pom tau tus kab mob parasitic?

Hauv tib qhov kev sib tham, nws tau hais tias 200-milliamp kos yog " txais tau . "Qhov ntawd tsis yog qhov tseeb. Qhov tseeb, peb hais qhia txog 25-milliamp kos yog ib txwm muaj thiab txhua yam uas tshaj 100-milliamps qhia txog qhov teeb meem hluav taws xob uas yuav tsum tau daws.

Dab tsi yog parasitic hwj chim?

Parasite zog yog hwj chim yuav tsum kov yeej lub luag haujlwm ntawm lub cev. Engineers saib qhov no ua ` kab mob ' nyob rau hauv ib lub airframe vim hais tias cov neeg caij tsheb, cargo thiab pilots tsis ncaj qha pab rau powered flights.

Pom zoo: