Lub fuse yog hom dhau - tiv thaiv tam sim no. Lub fuse feem ntau yog tsim los ntawm yaj, fuse tube thiab muab tub lim, thiab lwm yam. Thaum siv, lub fuse txuas nrog rau hauv cov khoom tiv thaiv Circuit Court. Thaum qhov tam sim no ntawm cov kev tiv thaiv Circuit Court tshaj li tus nqi teev thiab tom qab ib lub sij hawm ntawm lub sij hawm, lub tshav kub generated los ntawm lub yaj nws tus kheej fuses lub yaj thiab disconnects lub Circuit Court, yog li ua si lub luag hauj lwm ntawm kev tiv thaiv.
Lub fuse tiv thaiv
1. Qhuav ntu
Qhov no yog qhov tseem ceeb ntawm lub fuse. Nws ua rau txiav tawm tam sim no thaum fusion. Fuses ntawm tib hom thiab loj yuav tsum muaj tib yam khoom, tib lub geometrical qhov ntev, tib yam kuj tseem ceeb thiab, tseem ceeb, tib yam ntxwv fuse.
2. Kev them nyiaj yug ib feem
Lub yaj ntawm ib lub fuse feem ntau yog nyias thiab mos. Lub luag haujlwm ntawm lub bracket yog kho cov yaj, ua rau peb lub cev muaj zog, yooj yim rau nruab thiab siv. Nws yuav tsum tau zoo mechanical zog, rwb thaiv tsev, kub tsis kam thiab nplaim retardancy. Kev siv yuav tsum tsis txhob ua kom tawg, deformation, combustion thiab luv luv Circuit Court thiab lwm yam tshwm sim.
3. Electrode ib feem
Feem ntau muaj ob ntawm lawv. Nws yog ib qho tseem ceeb ntawm kev sib txuas ntawm cov yaj thiab lub voj voog. Nws yuav tsum muaj hluav taws xob zoo conductivity thiab yuav tsum tsis txhob tsim teeb meem kev sib cuag tiv thaiv.
Kev xaiv cov cai rau fuses:
1. Thaum cov khoom siv hluav taws xob ua haujlwm zoo, lub fuse yuav tsum tsis txhob fused;
2. Nyob rau hauv cov ntaub ntawv ntawm luv luv Circuit Court, yuav tsum tam sim ntawd fused;
3. Thaum tam sim no hloov ib txwm (xws li lub cev muaj zog pib txheej txheem), lub fuse yuav tsum tsis txhob fused;
4. Nyob rau hauv lub nruam overload ntawm cov khoom siv hluav taws xob, yuav tsum ncua lub fuse.
Kev xaiv ntawm fuse feem ntau suav nrog kev xaiv hom thiab kev txiav txim siab ntawm qhov ntsuas tam sim no ntawm yaj.
Thaum xaiv hom fuse, nws tsuas yog ua raws li kev tiv thaiv cov yam ntxwv ntawm lub nra thiab qhov loj ntawm qhov luv luv tam sim no. Piv txwv li, cov fuses siv los tiv thaiv teeb pom kev zoo thiab hluav taws xob motors feem ntau suav tias yog overloaded. Lub sijhawm no, fusion coefficient ntawm fuses yuav tsum yog me me. Yog li ntawd, RC1A series fuses nrog txhuas-zinc alloy yaj yuav tsum tau siv rau cov teeb pom kev zoo thiab cov tshuab hluav taws xob uas muaj peev xwm me me. Ntxiv nrog rau kev tiv thaiv overload, lub teeb pom kev zoo thiab lub cev muaj zog nrog lub peev xwm loj yuav tsum xav txog lub peev xwm los ua kom luv luv Circuit Court tam sim no thaum luv luv Circuit Court tshwm sim. Yog tias qhov luv luv tam sim no me me, RCIA series fuse nrog tin lossis RM10 series fuse nrog zinc tuaj yeem siv. Rau kev tiv thaiv fuse ntawm qhov qis -voltage fais fab mov kab nyob rau hauv lub rhiav, lub peev xwm tawg ntawm lub luv luv Circuit Court yog feem ntau txiav txim siab. Thaum qhov luv luv tam sim no loj, nws tsim nyog siv RL1 series fuse nrog lub peev xwm tawg siab. Thaum lub luv luv Circuit Court tam sim no loj heev, RT0 series fuses nrog finite tam sim no yuav tsum tau siv. Qhov ntsuas hluav taws xob ntawm lub fuse yuav tsum siab dua lossis sib npaug ntawm qhov ntsuas hluav taws xob ntawm lub voj voog. Qhov ntsuas tam sim no ntawm lub fuse yuav tsum raug xaiv raws li kev thauj khoom.
1. Resistive load los yog teeb pom kev zoo Circuit Court, hom load pib txheej txheem yog luv luv, lub lag luam tam sim no yog ruaj khov, feem ntau 1 ~ 1.1 npaug ntawm cov load ntsuas tam sim no los xaiv qhov ntsuas tam sim no ntawm cov yaj, thiab tom qab ntawd xaiv cov ntsuas tam sim no ntawm lub fuse.
2. Lub cev muaj zog thiab lwm yam inductive load, qhov pib tam sim no ntawm qhov load yog 4 ~ 7 npaug ntawm qhov ntsuas tam sim no, feem ntau xaiv cov ntsuas tam sim no ntawm cov yaj yog 1.5 ~ 2.5 npaug ntawm cov ntsuas tam sim no ntawm lub cev muaj zog. Feem ntau, lub fuse yog qhov nyuaj los ua lub luag haujlwm ntawm kev tiv thaiv overload, tab sis tsuas yog siv tau rau kev tiv thaiv luv luv, kev tiv thaiv overload daim ntawv thov ntawm thermal relays.
