Qhov hluav taws xob fuse yog dab tsi thiab nws ua haujlwm li cas?

Ntau yam khoom siv hluav taws xob hauv koj lub tsev tshuav lawv txoj kev nyab xeeb rau lub fuse.

Thaum twg koj muaj lub zog loj surges tab sis tseem pom tias koj lub qhov txuas txuas ntxiv tsis tau hlawv rau hauv av, lub fuse, yog siv, yog cov khoom ua kom paub tseeb tias qhov ntawd yog qhov teeb meem.

Lub fuse yog dab tsi thiab nws ua haujlwm li cas?

Peb cov lus qhia tau sim teb cov lus nug no niaj hnub no thaum peb nthuav qhia txhua yam koj xav paub txog ib qho, suav nrog ntau hom thiab yuav ua li cas lub fuse txawv ntawm lub Circuit Court breaker.

Cia peb nqis mus ua lag luam.

Lub fuse yog dab tsi?

Ib qho hluav taws xob fuse yog ib qho khoom siv me me uas muaj cov kab hluav taws xob nyias nyias uas tiv thaiv cov tsev thiab cov khoom siv hluav taws xob los ntawm kev siv hluav taws xob ntau dhau. Qhov no yog ib qho khoom siv tiv thaiv hluav taws xob uas txiav tawm hluav taws xob mus rau lub ntsuas hluav taws xob lossis lub tshuab hluav taws xob thaum cov dej ntws tam sim no tshaj tus nqi pom zoo.

Hluav taws xob tsis yog ib yam khoom uas ua rau muaj kev phom sij rau peb. Ib yam li tib neeg muaj qhov siab tshaj plaws ntawm qhov hluav taws xob uas tuaj yeem dhau los ntawm lub cev yam tsis muaj kev tuag, koj cov khoom siv hluav taws xob thiab cov tshuab feem ntau muaj lawv tus kheej tam sim no thiab qhov ntsuas hluav taws xob. 

Thaum cov khoom siv hluav taws xob ntau dhau cov kev txwv no, koj lub tshuab hluav taws xob tau ua rau muaj kev tuag. Hauv tsev thiab kev lag luam, qhov no txhais tau tias siv nyiaj ntau los kho lossis txawm hloov cov khoom siv kim thiab khoom siv. 

Qee lub sij hawm xws li kev nce siab, thaum tsis muaj kev tiv thaiv, tuaj yeem ua rau hluav taws kub thiab ua rau muaj kev phom sij rau tib neeg. Txhawm rau tiv thaiv qhov tsis zoo ntawm overcurrent, lub fuse tuaj rau hauv kev ua si.

Lub fuse ua dab tsi?

Txhawm rau tiv thaiv cov hluav taws xob surges, ib daim kab xev nyias nyias hauv lub fuse melts thiab tawg lub voj voog. Yog li, qhov ntws ntawm hluav taws xob mus rau lwm cov khoom hauv Circuit Court cuam tshuam thiab cov khoom no tau txais kev cawmdim los ntawm kev kub hnyiab. Lub fuse yog siv los ua tus neeg raug tsim txom rau kev tiv thaiv overcurrent. 

Tus neeg xyuas pib nyias yog cov hlau sab hauv lossis cov khoom ua los ntawm zinc, tooj liab, lossis txhuas, nrog rau lwm yam hlau uas tuaj yeem ua tau.

Lub fuse yog ntsia hauv series hauv Circuit Court kom tag nrho cov tam sim no ntws los ntawm nws. Nyob rau hauv lub fuse nws tus kheej, cov xov hlau raug ntsia nruab nrab ntawm ob lub terminals thiab hu rau lub terminals ntawm ob qho kawg. 

Ntxiv rau qhov cua tshuab vim muaj hluav taws xob ntau dhau, fuses kuj tshuab thaum muaj qhov luv luv lossis hauv av txhaum.

Ib qho txhaum hauv av tshwm sim thaum muaj ib tus neeg xyuas pib txawv teb chaws hauv Circuit Court uas ua haujlwm ua lwm yam hauv av.

Qhov luv luv Circuit Court no tuaj yeem tshwm sim los ntawm tib neeg txhais tes lossis txhua yam khoom siv hlau uas tuaj yeem tiv nrog cov hlau nyob. Ib qho hluav taws xob fuse tsim rau qhov no kuj tshuab los yog melts.

Tshawb nrhiav seb lub fuse tau tawg yog qhov yooj yim heev. Koj tuaj yeem pom lub ntsej muag tshuaj xyuas hom pob tshab kom pom tias cov hlau puas lawm, yaj, lossis hlawv.

Koj tuaj yeem siv multimeter los kuaj xyuas fuse txuas ntxiv. Qhov no yog txoj kev kuaj mob tseeb tshaj plaws.

Cov yam ntxwv ntawm cov hluav taws xob fuses

Fuses tuaj nyob rau hauv txawv designs thiab nrog sib txawv kev ntsuam xyuas. Qhov ntsuas fuse yog qhov siab tshaj plaws ntawm qhov tam sim no lossis qhov hluav taws xob uas tuaj yeem dhau los ntawm nws cov hlau nyias ua ntej nws melts.

Qhov kev ntsuam xyuas no feem ntau yog 10% qis dua qhov ntsuas ntawm cov cuab yeej uas lub fuse tiv thaiv, yog li kev tiv thaiv txaus.

Lub fuse kuj tseem muaj peev xwm sib txawv thiab lub sijhawm ua haujlwm sib txawv nyob ntawm seb hom fuse.

qhov ntsuas tam sim no

Qhov ntsuas tam sim no yog qhov siab tshaj plaws tam sim no uas lub fuse raug ntsuas rau. Ib qho me me ntawm qhov ntsuas no ua rau burnout ntawm cov hlau.

Txawm li cas los xij, qhov kev ntsuas no ib txwm siv ua ke nrog qhov ntsuas qhov ntsuas hluav taws xob thiab lub sijhawm ua haujlwm, uas nyob ntawm qhov Circuit Court uas siv lub fuse. 

Qib voltage

Zoo li qhov ntsuas tam sim no, qhov ntsuas qhov ntsuas hluav taws xob ntawm lub fuse yog qhov siab tshaj plaws voltage uas cov hlau sawb tuaj yeem ua tau. Txawm li cas los xij, thaum txiav txim siab qhov ntsuas no, nws feem ntau yog teem rau saum cov khoom siv hluav taws xob los ntawm qhov chaw.

Qhov no yog qhov tseem ceeb tshwj xeeb tshaj yog thaum muaj ntau yam khoom siv hauv hluav taws xob siv tib lub ntsuas tam sim no tab sis txawv qhov ntsuas hluav taws xob. Qhov ntsuas hluav taws xob feem ntau yog teem rau qhov siab tshaj plaws kev nyab xeeb voltage. 

Vim li no, cov khoom siv hluav taws xob nruab nrab tsis siv nyob rau hauv cov hluav taws xob qis lossis cov tshuab los muab kev tiv thaiv kev tiv thaiv zoo. 

Lub sijhawm teb

Lub sijhawm fuse yog qhov ncua sij hawm ua ntej cov hlau sawb kub hnyiab tawm. Lub sij hawm teb no yog ze ze rau qhov ntsuas tam sim no txhawm rau muab kev tiv thaiv zoo tshaj plaws. 

Piv txwv li, cov qauv fuses xav tau lub zog hluav taws xob ob zaug lawv qhov ntsuas kom tshuab hauv ib thib ob, thaum lub tshuab nrawm nrawm nrog tib qhov ntsuas thiab lub zog tuaj yeem tshuab hauv 0.1 vib nas this. Lub sij hawm lag fuse txiav tawm lub zog tom qab ntau tshaj 10 vib nas this. 

Kev xaiv ntawm lawv nyob ntawm qhov rhiab heev thiab cov yam ntxwv ntawm cov cuab yeej tiv thaiv.

Fast-acting fuses yog siv nyob rau hauv daim ntawv thov nrog cov khoom uas yog rhiab heev rau lub slightest tam sim no surges, thaum qeeb-acting los yog qeeb-blow fuses yog siv nyob rau hauv cov motors uas feem ntau kos tam sim no ntau tshaj li niaj zaus rau ob peb feeb. 

Lub zog tawg

Lub fuse tawg muaj peev xwm yog qhov ntsuas siv nyob rau hauv lub siab tawg muaj peev xwm (HRC) versions. HRC fuses tso cai rau overcurrent dhau rau qee lub sijhawm nrog kev cia siab tias nws yuav txo qis. Lawv ces tawg los yog yaj yog hais tias qhov no contraction tsis tshwm sim. 

Tej zaum koj yuav tau twv kom raug tias qhov no yog qhov tshwj xeeb rau hom ncua sij hawm thiab qhov taw tes tawg tsuas yog qhov siab tshaj plaws tam sim no pub rau lub sijhawm luv luv no. 

Thaum lub sij hawm ncua sij hawm tsis ncav cuag, tab sis lub zog tensile tshaj, lub fuse tshuab los yog melts. Qhov no yog hom kev tiv thaiv ob npaug. Hauv qhov no, HRC fuses tuaj yeem raug xa mus rau qhov muaj peev xwm tawg siab (HBC) fuses.

Kuj tseem muaj qhov hluav taws xob siab HRC fuses siv nyob rau hauv high voltage hluav taws xob circuits thiab tsis tshua muaj hluav taws xob HRC fuses siv nyob rau hauv tsawg voltage tis systems. Cov low voltage HRC fuses no feem ntau loj dua li cov fuses.

Fuse tsim

Feem ntau, qhov ntsuas fuse txiav txim siab nws lub zog thiab tsim. Piv txwv li, nyob rau hauv lub hwj chim siab fuses koj yuav pom ob peb strips los yog hlau nyob ntawm tej, thaum ib co lwm yam fuses siv steel rods los txhawb lub strip los ntawm warping.

Qee cov ntaub ntawv siv los tswj kev sib cais ntawm cov hlau, thiab koj tseem yuav pom cov xov hlau ribbon ua kom zoo li cov springs kom ceev cov txheej txheem splitting. 

Keeb kwm ntawm Fuse

Keeb kwm ntawm lub fuse hnub rov qab mus rau 1864. Nws yog thaum ntawd Breguet tau thov kom siv cov khoom siv hluav taws xob hauv qhov chaw los tiv thaiv cov chaw xov tooj cua los ntawm xob laim. Tom qab ntawd, rau lub hom phiaj no, ntau cov xov hlau conductive tau tsim uas ua haujlwm raws nraim li lub fuse. 

Txawm li cas los xij, nws tsis yog txog thaum xyoo 1890 uas Thomas Edison patented siv lub fuse hauv hluav taws xob faib hluav taws xob los tiv thaiv tsev los ntawm cov hluav taws kub tam sim no. 

Dab tsi yog hom fuses?

Feem ntau, muaj ob pawg ntawm fuses. Cov no yog AC fuses thiab DC fuses. Nws tsis yooj yim to taub qhov txawv ntawm ob.

AC fuses tsuas yog ua haujlwm nrog AC thaum DC fuses ua haujlwm nrog DC. Txawm li cas los xij, qhov sib txawv tseem ceeb ntawm ob yog tias koj tuaj yeem pom tias DC fuses me ntsis loj dua AC fuses.

Tam sim no ob pawg ntawm fuses tau muab faib ua cov fuses qis thiab cov fuses siab. Cov kev xaiv fuse tshwj xeeb tshaj yog tom qab ntawd txheeb rau hauv ob pawg no.

Tsawg voltage fuses

Tsawg voltage fuses yog fuses ua haujlwm ntawm qhov ntsuas hluav taws xob tsawg. Lawv tuaj yeem muab faib ua tsib hom; cartridge fuses, plug-in fuses, cuam tshuam fuses, hloov fuses thiab rub tawm fuses.

• Hloov hluav taws xob fuses. Cov fuses hloov tau tau siv dav hauv cov tshuab hluav taws xob hauv tsev thiab chaw ua haujlwm. Cov no feem ntau yog cov plooj (porcelain coated fuses) nrog tus kov uas ua haujlwm nrog lub hauv paus ntawm lub fuse. Lawv kuj muaj ob lub ntsej muag rau kev txais thiab tso tawm hluav taws xob hauv Circuit Court, ib yam li cov qauv siv fuse.

Demountable fuses yog siv hauv tsev thiab chaw ua haujlwm ib puag ncig vim qhov yooj yim ntawm kev sib txuas thiab tshem tawm ntawm lub hauv paus. 

• Cartridge fuses: Cov no yog fuses nrog tag nrho cov khoom nyob rau hauv ib lub thawv, tsuas yog cov terminals raug. Cartridge fuses tuaj nyob rau hauv ntau yam duab thiab muaj ntau yam kev siv.

D-hom cartridge fuses yog lub raj mis zoo li tus thiab feem ntau pom muaj nyob rau hauv cov khoom siv me me. Lawv feem ntau muab tso rau hauv cov ntaub ntawv ceramic nrog cov hlau xaus kom ua hluav taws xob.

fuses yog tsawg voltage HRC fuses, thaum hniav fuses tuaj yeem hloov tau yooj yim, raws li tuaj yeem txuas tau fuses, tab sis tau them rau hauv cov yas hloov. Hniav fuses feem ntau siv hauv tsheb.

• Hluav taws xob ntaus fuses: Lub striker fuse tsis siv ib daim nyias nyias. Hloov chaw, nws ejects tus pin tiv tauj kom tawg lub Circuit Court thiab kuj ua hauj lwm raws li ib tug sab nrauv pom cue los txiav txim seb lub fuse tau tshuab.
• Hloov fuses: Cov no yog cov fuses siv hauv cov tshuab hluav taws xob tsawg nrog cov keyboards sab nraud uas tuaj yeem siv los kaw lossis qhib txoj hauv kev tam sim no. 
• Drop-down fuses: Drop-down fuses eject ib qho molten sawb los ntawm hauv qab no thiab feem ntau pom muaj nyob rau hauv low voltage transformer suspension systems. 

High voltage fuses

High voltage fuses tuaj nyob rau hauv txawv variations. Muaj HRC kua high voltage fuses uas siv cov kua los tua cov arc.

Peb kuj muaj lub laub-tawm fuses uas siv boric acid los cuam tshuam cov txheej txheem, thiab cartridge hom HRC fuses uas ua haujlwm zoo ib yam li lawv cov khoom siv hluav taws xob tsawg. 

Qhov twg yuav tsum tau siv fuses?

Fuses feem ntau yog siv rau hauv me me thiab loj AC systems nrog transformers. High voltage fuses nrog high tam sim no ntsuas yog siv nyob rau hauv lub hwj chim system transformers ua hauj lwm txog li 115,000 volts. 

Tsawg thiab nruab nrab voltage fuses yog siv los tiv thaiv me me hluav taws xob transformer systems. Cov no suav nrog, ntawm lwm tus, cov tshuab hauv TV, tub yees thiab khoos phis tawj. 

Tsis tas li ntawd, txawm hais tias nws tuaj yeem txhim kho lub fuse nyob qhov twg hauv Circuit Court, nws yog qhov zoo tshaj rau nruab nws thaum pib ntawm lub system. Tias yog vim li cas koj pom fuses mounted ntawm cov khoom siv plugs los yog nyob rau pem hauv ntej ntawm lub transformer lub ntsiab lus txuas.

Dab tsi yog fuse blocks?

Fuse lub thawv yog cov hubs hauv cov tshuab hluav taws xob uas muaj ntau lub fuses uas tiv thaiv qhov sib txawv ntawm koj lub tsev lossis chaw ua haujlwm. Lawv ua haujlwm raws li daim ntawv surge tiv thaiv yog tias ib qho ntawm koj cov khoom siv tsis tau nruab nrog lub fuse sab hauv. 

Feem ntau koj yuav pom cov thawv fuse hu ua hloov vaj huam sib luag lossis cov thawv sib txuas, tab sis lawv txhua tus ua haujlwm tib yam. Lawv tuav rau rau rau kaum ob tus kheej cov fuses. 

Txawm hais tias cov qub fuse lub thawv tsuas yog ntsuas ntawm 60 amps, hnub no peb pom fuse lub thawv nrog tag nrho qhov ntsuas ntawm 200 amps. Qhov no yog qhov suav ntawm cov kev ntsuam xyuas ntawm txhua tus neeg fuses hauv lub thawv.

Tam sim no, fuse lub thawv feem ntau tsis meej pem nrog lub thawv hluav taws xob hluav taws xob.

Qhov sib txawv ntawm fuses nrog Circuit Court breakers

Circuit Court breakers ua haujlwm zoo ib yam li hluav taws xob fuses; lawv tiv thaiv cov khoom siv hauv tsev los ntawm kev siv hluav taws xob los ntawm kev thaiv lub voj voog. Txawm li cas los xij, yuav ua li cas ob lub cuab yeej ua qhov no txawv.

Es tsis txhob muaj ib tug melted los yog extruded sawb, Circuit Court breakers ua hauj lwm nrog rau sab hauv thiab sab nraud keyboards. Cov kev sib cuag sab hauv ib txwm ua kom tiav hauv Circuit Court, tab sis raug tshem tawm thaum muaj overcurrent. Kev tswj sab nraud ntawm lub Circuit Court breaker pab muab cov neeg sib cuag thiab lub Circuit Court breaker rau hauv lub xeev tiv thaiv. 

Los ntawm qhov no koj tuaj yeem pom tias thaum fuses ib txwm hloov thaum lawv tshuab, cov hluav taws xob hluav taws xob tuaj yeem siv ntau dua. Koj tsuas yog yuav tsum tau rov pib dua lawv. Lub thawv hluav taws xob hluav taws xob tom qab ntawd suav nrog ntau ntawm cov keyboards no tsis yog fuses. 

Thaum hloov lub fuse

Lub fuse tuaj yeem nyob mus ib txhis yog tias tau teeb tsa ntawm lub tshuab hluav taws xob pom zoo thiab tsis muaj hluav taws xob surges. Qhov no yog tib yam thaum nws tsis tau nruab rau hauv qhov chaw ntub dej lossis qhov chaw ntub dej uas nws nquag ua rau corrosion.

Txawm li cas los xij, koj yuav tsum nco ntsoov hloov fuses tom qab 20-30 xyoo ntawm kev siv. Qhov no yog lawv lub neej ib txwm muaj.

Qhia Video

Lub fuse yog dab tsi thiab nws ua haujlwm li cas

xaus

Siv cov khoom siv tsis muaj hluav taws xob fuse lossis muaj lub tsev tsis muaj lub thawv hluav taws xob yog ib qho kev sib txuas ntawm hluav taws xob thiab hluav taws kub. Nco ntsoov xyuas kom tseeb tias lub fuse raug ntsia rau hauv cov tshuab hluav taws xob lossis cov khoom siv hluav taws xob, thiab nco ntsoov hloov nws yog tias nws tau tshuab.

Cov lus nug nquag nug

Dab tsi yog fuse siv rau?

Lub fuse yog siv los tiv thaiv circuits los ntawm lub hwj chim surges los yog av faults. Nws muaj ib txoj hlua hlau sab hauv uas tawg lossis kub hnyiab los txiav txoj kev tam sim no thiab txiav tawm lub hwj chim.

Lub fuse puas txo qis tam sim no?

Tsuas yog tam sim no-limiting fuses txo cov khoom siv tam sim no thaum muaj hluav taws xob tshwm sim hauv Circuit Court. Lwm tus tsis txo qhov tam sim no hauv circuits, tab sis tag nrho tiv thaiv nws los ntawm ntws.