Qhov sib txawv ntawm tawg-pov thawj teeb thiab Ordinary teeb

Kev tawg-pov thawj teeb pom kev zoo yog ib pawg ntawm cov teeb tsim nrog kev tiv thaiv tawg, cim nrog ib “Ex” cim. Cov khoom siv no muaj cov khoom sib khi tshwj xeeb thiab kev tiv thaiv ntxiv hauv lawv cov qauv, raws li txoj cai los ntawm lub teb chaws tus qauv. Tsis zoo li cov teeb tsis tawg-pov thawj, lawv ua raws li ntau yam kev cai tshwj xeeb:

1. Pawg tawg-pov thawj, Qib, thiab Temperature Group: Cov no yog txhais los ntawm lub teb chaws tus qauv.

2. Hom kev tiv thaiv tawg:

Muaj tsib yam tseem ceeb – flameproof, nce kev nyab xeeb, zoo siab, tsis muaj teeb meem, thiab hmoov av tawg-pov thawj. Lawv tuaj yeem ua ke ntawm cov hom no los yog cov khoom sib xyaw lossis tshwj xeeb.

3. Hluav taws xob tiv thaiv:

Muab faib ua peb pawg - I, II, thiab III. Lub hom phiaj yog los tiv thaiv hluav taws xob los ntawm cov khoom siv tau los yog cov khoom siv hluav taws xob sib txawv, uas yuav ignite tawg sib tov.

Hom I: Raws li kev rwb thaiv tsev yooj yim, Cov khoom siv hluav taws xob uas ib txwm tsis nyob thiab siv tau yog txuas nrog lub ntiaj teb tiv thaiv tus neeg xyuas pib hauv cov xov hlau ruaj.

Hom II: Siv ob npaug los yog ntxiv cov rwb thaiv tsev raws li kev ntsuas kev nyab xeeb, tsis muaj hauv av.

Hom III: Ua haujlwm ntawm qhov muaj kev nyab xeeb tsis tshaj 50V thiab tsis tsim cov hluav taws xob ntau dua.

Hom 0: Relies tsuas yog rau cov rwb thaiv tsev yooj yim rau kev tiv thaiv.

Feem ntau cov khoom tawg-pov thawj teeb pom kev zoo poob rau hauv Hom I, nrog ob peb hom II lossis III, xws li tag nrho cov yas tawg-pov thawj teeb los yog tawg-pov thawj teeb.

4. Enclosure Protection Level:

Ntau txoj hauv kev tiv thaiv rau lub qhov thaiv yog siv los tiv thaiv qhov nkag ntawm cov plua plav, khoom khoom, thiab dej, uas yuav ua rau sparking, luv-circuiting, los yog cuam tshuam cov hluav taws xob rwb thaiv tsev. Yam ntxwv los ntawm “IP” ua raws li ob tug lej, thawj tus lej sawv cev tiv thaiv kev sib cuag, cov khoom khib nyiab, los yog hmoov av (xws li los ntawm 0-6), thiab qhov thib ob tiv thaiv dej (xws li los ntawm 0-8). Raws li cov khoom sib khi, tawg-pov thawj teeb muaj tsawg kawg ib theem 4 tiv thaiv plua plav.

5. Khoom siv ntawm Mounting Surface:

Lub teeb tawg-pov thawj sab hauv tsev yuav raug teeb tsa rau ntawm qhov chaw sib tsoo zoo ib yam li ntoo phab ntsa thiab qab nthab. Cov chaw no yuav tsum tsis txhob dhau qhov kev nyab xeeb kub vim cov teeb pom kev zoo.

Raws li seb lawv puas tuaj yeem txuas ncaj qha rau cov khoom siv hluav taws xob zoo tib yam, lawv muab faib ua ob hom.

Cov ntsiab lus – “Cov teeb pom kev tawg zoo li cas txawv ntawm cov teeb pom kev zoo li niaj zaus?”: Lub teeb tsis tu ncua yog siv rau hauv qhov chaw tsis muaj kev phom sij yam tsis muaj nplaim taws roj los yog hmoov av. Tsis zoo li tawg-pov thawj teeb, lawv tsis muaj qhov tawg-pov thawj qib thiab hom. Lub teeb tsis tu ncua feem ntau ua rau lub hom phiaj teeb pom kev zoo, thaum tawg-pov thawj teeb tsis tsuas yog muab illumination tab sis kuj muaj kev tiv thaiv tawg, ua kom muaj kev nyab xeeb ntawm cov neeg ua haujlwm thiab tiv thaiv cov khoom puas tsuaj.