Puas yog hluav taws xob tawm tsam tsis nyab xeeb?

Cov txheej txheem:

Puas yog hluav taws xob tawm tsam tsis nyab xeeb?
Puas yog hluav taws xob tawm tsam tsis nyab xeeb?

Video: Puas yog hluav taws xob tawm tsam tsis nyab xeeb?

Video: Puas yog hluav taws xob tawm tsam tsis nyab xeeb?
Video: Tus Cawm Seej Hloov Neeg Txoj Hmoo (HD) 2024, Kaum ib hlis
Anonim

Tsis muaj kev nyab xeeb / tsis ruaj ntseg yog hais txog qhov xwm txheej ntawm sab ruaj ntseg (sab tseem ceeb, sab nraud) ntawm lub qhov rooj. Cov khoom lag luam feem ntau muab pub dawb egress seb lawv puas nyab xeeb lossis tsis ruaj ntseg. Kev tawm tsam hluav taws xob hloov qhov kev tawm tsam tsis tu ncua rau lub xauv xauv lossis cov khoom siv txaus ntshai kom tswj tau hluav taws xob nkag.

Puas Fail ruaj ntseg ib txwm qhib?

Tsis muaj kev nyab xeeb ua haujlwm zoo li tau piav qhia yog ib qho cuab yeej qhib yuav tso lub qhov rooj thaum lub zog poob. Fail Secure yog ib qho khoom kaw ib txwmthiab ua kom lub qhov rooj kaw kom txog thaum tau txais fais fab.

Yuav ua li cas sib nqus locks tsis ruaj ntseg?

Vim tias mag xauv los ntawm kev tsim kom muaj hluav taws xob tas li kom kaw, mag locks tsis muaj kev nyab xeeb nkaus xwb - lawv tsis ua haujlwm kom lub qhov rooj kaw ntawm ob sab thaum fais fab tuag.

Puas hluav taws xob tawm tsam ib txwm qhib?

Nws ib txwm kaw thiab nws tso lub latch uas kaw lub xauv thaum qhov hluav taws xob siv AC lossis DC. … Lub xauv yog ib txwm kaw (lub qhov rooj kaw) kom txog thaum siv fais fab.

Dab tsi yog qhov system tsis ruaj ntseg?

Fail Secure Locks. Yog li thaum kawg tsis ruaj ntseg txhais tau hais tias yog lub zog cuam tshuam lossis ua tsis tiav, lub qhov rooj yuav kaw. Tias yog vim li cas nws thiaj li hu ua "kev ruaj ntseg": Nws yog lub xeev lub xeev raug kaw lossis ruaj ntseg. Yog li lub xauv xauv qhov rooj xauv qhov rooj thaum lub hwj chim raug tshem tawm.

Pom zoo: