10 Ntsiab ntawm Kev Xaiv Fuse
1. Rated current-The rated current of In In fuse yog hais txog nws cov npe ntawm tam sim no, uas feem ntau cov nqi tam sim no uas Circuit Court tuaj yeem ua haujlwm tau ntev. Cov kev sib tham hauv qab no yuav tsum tau them sai sai rau thaum xaiv cov tam sim no ntawm lub fuse kom raug.
(1) Xav txog qhov yuav txo qis ntawm qhov fuse. Piv txwv li, kwv yees kev ua haujlwm tam sim no ntawm Circuit Court=1.5A. Rau IEC qhov kev qhia tshwj xeeb fuse, qhov yuav tsum tau txo tus nqi tsis suav siab, thiab tus nqi tam sim no Hauv=Ir=1.5A; rau UL cov lus qhia fuse, qhov yuav txo tus nqi f0 yuav tsum tau txiav txim siab, nrog Hauv=Ir / f0=1.5 / 0.75=2A, qhov twg f0 yog 0.75.
(2) Yog tias txoj kev cai tam sim no tsis suav, qhov ze tshaj qhov yuav tsum tau xaiv.
(3) Qhov ntsuas tam sim no ntawm lub fuse tsuas yog nws tus nqi me. Thaum xaiv nws cov sijhawm ua haujlwm thiab lub sijhawm ua haujlwm ceev, koj yuav tsum ua tib zoo saib nws cov yam ntxwv fusing, thiab tom qab ntawd nws yog qhov ua tau kom raug xaiv lub sijhawm tam sim no ntawm lub fuse.
(4) Nws yog qhov xaiv tsis raug rau txoj hauv kev siv ncaj qha tam sim no yuav tsum tau fuse raws li tus nqi tam sim no tus nqi ntawm xaiv fuse.
2. Rated voltage-U
Cov ntsuas hluav taws xob ntawm lub fuse yog hais txog nws cov nominal voltage, uas feem ntau yog qhov ntau tshaj qhov voltage uas tus fuse tuaj yeem tiv taus tom qab nws raug txiav tawm.
Thaum lub fuse yog energized, qhov voltage ntawm ob hnub yog ntau tsawg dua li qhov ntsuas rated, yog li lub nra ntxiv ntawm cov hluav taws xob tas li tsis muaj txiaj ntsig. Thaum xaiv cov ntsuas hluav taws xob ntawm lub fuse kom raug, cov hauv qab no yuav tsum txiav txim siab.
(1) Cov ntsuas hluav taws xob ntsuas yuav tsum sib npaug lossis ntau dua qhov hluav taws xob Circuit Court. Piv txwv li, hluav taws xob 250V fuse tuaj yeem siv rau hauv xov hluav taws xob 125V.
(2) Hauv hluav taws xob hluav taws xob tsawg, AC fuses tuaj yeem siv rau DC circuits.
(3) Hais txog qhov ntsuas hluav taws xob ntawm lub fuse, qhov kev ntsuas tseem ceeb yuav tsum yog: thaum lub sijhawm hluav taws xob tsis tshaj qhov ntsuas hluav taws xob ntawm lub fuse, seb lub fuse puas muaj peev xwm los tsoo qhov siab tshaj plaws tam sim no muab.
3. Qhov kub ntawm qhov kub
Qhov kub ntawm lub ntsuas kub lossis qhov paub paub txog kev ua haujlwm muaj qhov cuam tshuam ncaj qha rau kev ua haujlwm ntawm lub fuse. Qhov siab dua qhov kub thiab txias, qhov kub qhov fuse yuav yog thaum lub sijhawm ua haujlwm thiab ua lub sijhawm ua haujlwm luv. Tsis hais txog UL cov kev qhia tshwj xeeb lossis IEC cov kev qhia tshwj xeeb, cov cuab yeej ua haujlwm ntawm kev fuse yog tsim nyob rau hauv chav tsev qhov ntsuas kub ntawm 25 C. Yog tias ib puag ncig lossis cov haujlwm ua haujlwm kub, xav txog qhov ntsuas kub kom tsawg ntawm lub fuse.
4. Voltage poob / txias tsis kam-Ud / R
Feem ntau, qhov tsis kam ntawm ib qho fuse yog qhov sib npaug rau nws cov ntsuas tam sim no. Hauv kev tiv thaiv Circuit Court, qhov tsis kam ntawm lub fuse yog yuav tsum ua kom me me li sai tau, yog li nws lub zog hluav taws xob kuj tseem me me. Yog li ntawd, nws qhov hluav taws xob siab tshaj plaws tau teev nyob rau hauv cov fuse tsis tau.
Qhov hluav taws xob poob ntawm lub fuse yog qhov voltage nyeem ntawv tau txais tom qab dhau qhov ntsuas rawm DC tam sim no ua rau lub fuse tau mus txog thermal equilibrium.
Qhov ua rau txias ntawm cov fuse yog cov ua hauj nyeem ntev ntsuas ntsuas nyob rau hauv lub zwj ceeb ntawm tsawg dua 10% ntawm cov rated tam sim no.
Qhov voltage poob ntawm lub fuse thiab qhov txias txias tuaj yeem hloov pauv mus ua lwm yam.
Txoj kev tso zis ua haujlwm tam sim no.
5. Lub sij hawm-tam sim no cov yam ntxwv-NWS cov yam ntxwv lossis ampere-thib ob yam ntxwv
Thaum twg tam sim no ntws los ntawm lub fuse ntau tshaj li qhov muaj zog tam sim no, lub yaj yuav maj mam sawv thiab nws thiaj li yaj, uas yog qhov tsim nyog ntawm kev ua haujlwm ntau dhau.
Lub fuse yuav tsum muaj qee qhov sib tshooj sib txawv, tshwj xeeb:
Qhov ntau fusing tam sim no ntawm UL txheem fuse yog 110% Hauv;
Qhov tsis ntau ntawm tam sim no ntawm IEC tus qauv fuse yog 150% Hauv lossis 120% Hauv.
Nyob rau tib lub sijhawm, nws tseem yog qhov yuav tsum tau hais tias lub fuse tuaj yeem raug tshuab hauv lub sijhawm thaum lub overload tam sim no tshaj qhov txwv. Ntawm lawv:
Qhov tsawg kawg nkaus fusing tam sim no ntawm UL txheem fuse yog ib puag ncig 130% Hauv.
Qhov tsawg kawg nkaus fusing tam sim no ntawm IEC txheem fuse yog li ntawm 180In%.
Lub sijhawm / tus cwj pwm tam sim no yog qhov tseem ceeb tshaj plaws hluav taws xob ntsuas ntawm qhov fuse. Nws qhia cov sij hawm ntau ntawm cov fuse los tshuab hauv qab sib tshooj ntau dhau tam sim no.
Lub sijhawm / tam sim no tus cwj pwm nkhaus piav qhia txog kev ua haujlwm dhau ntawm kev fuse zoo. Cov yam ntxwv ntawm cov fuse ntawm txhua hom fuse tuaj yeem sawv cev los ntawm qhov nkhaus txuas mus tas li, thiab txhua qhov taw tes ntawm qhov nkhaus tuaj yeem sib haum rau qhov tam sim no tus nqi ntawm qhov abscissa thiab lub sijhawm tawg ntawm lub sijhawm. Qhov no yog lub hauv paus tseem ceeb tshaj plaws thaum xaiv lub fuse.
Nws feem ntau tau hais tseg kom siv ob peb lub ntsiab lus tseem ceeb hauv nkhaus los ntsuas kev ua haujlwm dhau ntawm fuse. Muaj lub ntsej muag fusing cov lus hauv feem ntau ntawm cov khoom siv fuse, uas qhia meej qhov sij hawm fuse ntawm lub fuse hauv qee qhov kev ntsuas tam sim no, uas yog lub hauv paus tseem ceeb tshaj plaws rau txais qhov fuse. UL txuj fuse hais txog cov kev ntsuas xws li 110% Hauv, 135In% thiab 200% Hauv; IEC tus qauv fuse ua kom tiav 150% (120% Hauv, 210% (200%) Hauv, 275% Hauv, 400% Hauv thiab 1000 Qhov ntsuas cov ntsiab lus xws li% Hauv.
Raws li IEC 127, kev ncaj qha tam sim no yog muab los txiav txim lub sijhawm fuse ntawm fuse, thiab lub sijhawm-tam sim no nkhaus tuaj yeem tau los ntawm qhov no. Yog tias AC qhov kis tau los, lub sijhawm fusing yuav txawv, tshwj xeeb tshaj yog thaum fuse fused hauv lub sijhawm luv luv, nws yuav sib txawv nrog lub theem kaum ntawm AC sine yoj thaum lub Circuit Court raug kaw.
Txawv ntawm cov fuses sib txawv muaj cov yam ntxwv ntawm cov duab sib txawv, thiab tib hom fuses muaj cov yam ntxwv ntawm cov duab uas zoo sib xws.
Raws li qhov sib txawv fusing, cov fuses tuaj yeem raug faib ua hom ceev thiab lub sijhawm qeeb hom. Fuse ceev yog ib txwm siv nyob rau hauv kev tiv thaiv kev tiv thaiv kom tiv thaiv qee qhov sib txawv uas tshwj xeeb rau kev hloov tam sim no; lub sij hawm ncua sij hawm fuses feem ntau siv nyob rau hauv kev sib txuas / muaj peev xwm nrog cov hluav taws xob loj thaum hloov pauv hloov Circuit Court, thiab lawv tuaj yeem tiv taus qhov hloov ntawm kev cuam tshuam ntawm kev muaj lub plawv dhia, thiab lub Circuit Court tseem tuaj yeem raug txiav tawm sai sai thaum muaj kev txhaum.
6. Rhuav tshem tau-Ir
Thaum tam sim no ntws los ntawm kev fuse yog qhov loj heev los sis txawm tias luv luv, nws tseem yuav tsum tau hais tias lub fuse tuaj yeem ua txhaum lub Circuit Court tsis ua rau muaj kev puas tsuaj.
Lub peev xwm tawg yog qhov ntsuas tseem ceeb tshaj plaws ntawm lub fuse. Nws sawv cev rau qhov siab tshaj plaws tam sim no uas lub fuse tuaj yeem ruaj ntseg txiav tawm hauv qab ntsuas hluav taws xob. Lub peev xwm rhuav tshem kuj tseem hu ua lub siab tshaj plaws kev rhuav tshem, luv luv Circuit Court rhuav lossis peev siab tshaj plaws tawg tam sim no.
Lub peev xwm tawg ntawm lub fuse nyob ntawm tus qauv ntawm fuse thiab cov khoom siv uas siv. Feem ntau hais lus, feem ntau qis qis tawg peev txheej fuses yog iav rooj plaub; siab lub peev xwm fuses feem ntau muaj cov teeb meem ceramic, ntau ntawm cov kuj tau sau nrog cov khoom ntshiab pob zeb.
Thaum lub overload tam sim no tsis tshaj qhov siab tshaj qhov tawg tam sim no, lub fuse yuav tsum tsis txhob tawg, tawg, tawg, lossis ua rau cov xwm txheej tsis zoo xws li cov roj hlawv thiab rhuav tshem cov neeg nyob ib puag ncig thiab lwm yam.
Cov ntsuas siab tawg (nyob rau hauv UL cov ntaub ntawv) yog ncaj qha ntsig txog qhov ntsuas tam sim no ntawm fuse thiab load voltage. Qhov ntau dua nyob rau qhov ntsuas tam sim no, ntau dua qhov rhuav tshem qhov peev xwm; siab dua ntawm cov kab hluav taws xob, qhov qis dua tawg lub peev xwm.
UL 198-G qhov tshwj xeeb rhuav tshem lub peev xwm: nyob rau hauv AC 125V tej yam kev mob, lub fuse yuav tsum tuaj yeem txiav tawm 10000A tam sim no, nyob rau hauv AC 250V tej yam kev mob, lub fuse yuav tsum muaj peev xwm txiav tawm qhov tam sim no raws li qhia hauv qab no.
Qhov hluav taws xob poob ntawm lub fuse me me muaj qhov cuam tshuam loj dua rau hluav taws xob hluav taws xob tsawg, yog li ceev faj! Hauv cov xwm txheej hnyav, nws yuav ua rau lub Circuit Court tsis tuaj yeem ua haujlwm khiav lag luam tam sim no.
Rated breaking peev xwm ntawm cov fuse ntawm 250V Rated tam sim no ntawm fuse Rated tawg peev xwm 0 A ～ 1 A 35 A 1.1 A ～ 3.5 A 100 A 3.6 A ～ 19 A 200 A 10.1 A ～ 15 A 750 A 15.1 A ～ 30 A 1500 A IEC 127 hais txog lub peev xwm rhuav tshem nyob rau hauv AC 250 V tej yam kev mob: qis tawg peev xwm fuse (LBC) yuav tsum dhau qhov loj tshaj ntawm 35 A lossis 10In; siab tawg peev txheej fuse (HBC) yuav tsum dhau 1500 A; kev txhim kho muaj peev xwm fuse (MBC)) Yuav tsum xeem dhau 150 A.
Raws li txoj cai, thaum lub kaw lus tiv thaiv tau txuas ncaj qha mus rau lub zog fais fab Circuit Court thiab lub fuse tau muab tso rau hauv lub qhov hluav taws xob qhov nkag, lub siab ua kom muaj peev xwm fuse yuav tsum tau siv. Hauv qee qhov hluav taws xob theem ob, tshwj xeeb tshaj yog thaum qhov hluav taws xob qis dua qhov hluav taws xob muab hluav taws xob, qhov hluav taws xob poob qis muaj peev xwm txaus.
7. Melting thaum tshav kub kub tus nqi-Nws
1) Instantaneous tam sim no thiab mem tes
Sab hauv lub ntsej muag tam sim no los ntawm qhov hloov mus ua haujlwm ntawm lub zog capacitive thiab inductive lub zog cia hauv qhov chaw tiv thaiv. Qhov tam sim no tam sim no hais txog lub sij hawm luv luv inrush tam sim no uas tau txhaj rau hauv cov kab ke zoo li kev tawm ntawm sab nraud.
Kev nrawm tam sim no uas kav tsawg dua 10ms yog hu ua cov mem tes tam sim no. Cov mem tes muaj teeb meem, nws yuav ua kev puas tsuaj rau lub fuse thiab ua rau lub fuse ua tsis tiav.
Feem ntau, lub sij hawm ncua sij hawm fuses yog qhov tsim nyog rau kev tiv thaiv Circuit Court nrog cov mem tes.
2) Nws tus nqi
Nws tus nqi yog ntsuas ncaj qha lub zog tus nqi uas yuav tsum tau ua kom tawg lub fuse, thiab muaj
Tag Nrho Nws (Ntshiab Nws)=Melted Nws + Flying Gu Nws
Ntawm no, qhov kev tshem tawm Nws yog hais txog txhua lub zog cua kub hauv kev ua tiav kev ua tiav ntawm kev fuse; lub yaj ntawm nws (sib npaug rau cov ya ua ntej nws hauv IEC tus qauv) yog hais txog lub zog uas xav tau los ntawm yaj tag mus txog rau lub sijhawm thaum ya pib; lub sijhawm ya yog hais txog lub sijhawm ntawm lub sijhawm Feigu pib thaum Feigu thaum kawg tawm mus. Rau cov hluav taws xob hluav taws xob tsawg, lub sijhawm huab cua ya yog luv heev thiab feem ntau tsis quav ntsej.
8. Lub caij nyoog-lub neej
Lub neej ntawm fuse yog ntev heev, thiab nws muaj peev xwm yuav luag synchronized nrog lub neej ntawm cov cuab yeej nyob rau hauv qhov xwm txheej ntawm tsis muaj qhov tsis ua tiav.
Cov txheej txheem kev ntsuas lub neej ntawm kev fuse me ntawm IEC kev qhia tshwj xeeb: nyob rau hauv cov xwm txheej ntawm DC lub zog hluav taws xob, kev ua tiav nrog 1.20In (lossis 1.05In) tam sim no rau 1h, qhib rau 15min, tas mus li 100 mus, thiab thaum kawg ua nrog 1.5 Hauv ( lossis 1.05Ntau) Tam sim no Lub sijhawm 1h, tsis tuaj yeem sawv qhov taub lossis lwm yam tshwm sim thaum lub sijhawm no.
Nyob rau hauv ib txwm muaj xwm txheej, lub sijhawm khaws cia ntawm lub fuse tsis pub tsawg dua ob xyoos, thiab nws tuaj yeem khaws cia dua tom qab dhau qhov kev kuaj xyuas tshiab.
9. Cov qauv nta thiab pob teeb tsa
1) Cov qauv nta
(1) Tubular iav raj-tawg txhaum kev muaj peev xwm, tej hub raj-siab tawg muaj peev xwm; ntim nrog nplua-nplua zeb quartz xuab zeb-siv rau kev kho kom tsis muaj kev sib cais, cov iav raj ua kom zoo dua-fusing qhia; vuam sab hauv thiab sab nraud vuam; ntxiv rau cov hlau txhuas Cap-for vuam (qee zaum
Cov duab ua) ...
(2) Tej yam me me kuj yam, transistor yam, nyias zaj duab xis yam ...
(3) Lwm hom ntxig hom, hom ntsia liaj qhov rooj, hom ntaus cim, hom tswb ...
(4) Melt cov qauv: puag ncig xaim, xov hlau tiaj, monofilament, ob chav hlau, cov xov hlau, kab ntsig, laim ntoom, zigzag; flake yaj (nrog ib lossis ntau qhov chaw kaw) ...
(5) Kev sib xyaw melt fuse winding, tin pob, hlau ntawv, resistor, thiab lwm yam.
2) Kev teeb tsa ua
(1) Vaj huam sib luag teeb tsa, thawv fuse, fuse ntsaws ...
(2) Hauv qab phaj teeb tsa, fuse clip, fuse clip zaum ...
(3) Cov ntawv luam tawm Circuit board kev teeb tsa, ntsaws rau sab hauv (yoj hlau): radial lead, axial lead ... Sab saum toj mounting (infrared vuam): tsoos, nyias-zaj duab xis ... Qee zaum nws yuav tsum tau ua kom sov lub raj ntsws sab nraud txoj yas ua lub fuse thiab Surrounding Cheebtsam yog cov rwb thaiv tsev.
(4) Tshem tawm kev teeb tsa fuse npog.
10. Muaj ntawv pov thawj kev nyab xeeb
Daim ntawv pov thawj kev nyab xeeb thiab cov cai ntawm kev fuse yuav tham txog txhua yam hauv tshooj lus tom ntej.
Dissmann Fuses chaw tsim tshuaj paus, nrog 20 xyoo' kev paub, rau cov lus qhia ntxiv. tiv toj rau peb los ntawm E-mail: anna@delfuse.com lossis WhatsApp: +86 18813915908
Dissmann Fuses yog siv dav hauv Cov tsheb hluav taws xob, tsheb roj av roj thiab roj tsheb tsheb thiab nws qhov chaw tseem ceeb (PACK / PDU / BDU / MSD / Hluav taws xob / qhov siab txuas qhov txuas, thiab lwm yam), EV them / EV charing pawg system / Module, lub zog kev tsim hluav taws xob, 5G kev sib txuas lus fais fab mov, huab server teeb zog mov, lub zog cia, AGV (txav mus xa cov tsheb tsis muaj tsheb), thaj chaw zoo nkauj ncig saib tsheb, tsheb golf, kev noj qab haus huv, taug kev, khoom siv thiab kev siv tshuab, hauv av cua sov, PV Hnub ci lub cav hluav taws xob lub thawv, DC Lub zog hluav taws xob tswj kev tswj, kev lag luam tshuab thiab khoom siv, thiab lwm qhov chaw ntawm DC siab voltage thov teb.