Vuam hlau hauv lub thawv sib txuas: cov lus qhia ib kauj ruam, cov cai, cov lus qhia thiab cov lus qhia

2024 Tus sau: Howard Calhoun | [email protected]. Kawg hloov kho: 2023-12-17 10:28

Feem ntau qhov hluav taws kub yog tshwm sim los ntawm kev xa hluav taws xob tsis raug. Hluav taws tuaj yeem tshwm sim yog tias cov rwb thaiv tsev tawg, nrog rau cov cua sov ntawm cov conductors ntawm lawv cov junctions. Feem ntau, thaum txhim kho cov hlua hluav taws xob, kev sib tw ntawm cov xov hlau yog siv. Thaum twisting cov xov hlau, lub ncoo muaj qhov me me, uas ua rau cua sov ntawm cov tub ntxhais thaum lub load nce. Nws yog qhov tseem ceeb no uas ua rau muaj qhov kub thiab txias ntawm qhov sib txuas thiab, vim li ntawd, ua rau hluav taws kub ntawm cov rwb thaiv tsev.

Vuam xaim nyob rau hauv ib lub thawv sib txuas yog qhov txhim khu kev qha tshaj plaws ntawm ob lub xov hlau hauv ib qho hluav taws xob. Yog li ntawd, ua ntej pib nrog lub installation ntawm hluav taws xob network, nws yog ib qho tsim nyog yuav tsum ua tib zoo kawm cov cai rau kev ua haujlwm zoo li no. Nws yuav muaj txiaj ntsig zoo kom paub koj tus kheej nrog cov lus qhia ua ntu zus rau cov txheej txheem vuam, nrog rau cov lus qhia thiab cov lus pom zoo ntawm cov neeg ua haujlwm paub txog.

Txoj kev xaim vuam

Cov xaim hluav taws xob hauv tsev niaj hnub no yog ua los ntawm tooj liab hlau, txhuas kuj tau siv ua ntej. Yog li ntawd, peb feem ntau yuav tau paub txog cov txheej txheem vuam ntawm tooj liab conductors.

Qhov peculiarity ntawm tooj liab conductors yog qhov kub ntawm 300 ℃ cov khoom ua nkig, thiab ntawm 1080 ℃ melting tshwm sim. Yog li ntawd, nws yog ib qho tseem ceeb heev uas yuav tsum tau ua tib zoo saib xyuas qhov kub thiab txias nyob rau hauv tus txheej txheem ntawm vuam hlau nyob rau hauv lub hlws ris lub thawv kom tsis txhob muaj kev puas tsuaj rau lub rwb thaiv tsev thiab xov hlau.

Kev tshem tawm cov cua kub dhau yog ua los ntawm kev txuas lub tshuab cua txias rau qhov chaw sib tw. Nws yog qhov zoo dua yog tias lub tshuab hluav taws xob yog ua los ntawm cov khoom siv tooj liab thiab nruj nreem nias tawm tsam qhov twist.

Lub twist thaum lub vuam yuav tsum muab tso rau ntsug kom cov hlau molten siv rau hauv daim ntawv ntawm ib tug kheej kheej poob thiab npog tag nrho cov pob ntawm cov xov hlau. Vuam ntawm stranded conductors yog nqa tawm tom qab kev teeb tsa ua ntej ntawm lub tes tsho tshwj xeeb crimp.

Qhov zoo ntawm kev sib txuas cov hlau los ntawm vuam

Ua-nws-koj tus kheej vuam ntawm cov xov hlau hauv lub thawv sib txuas muaj qhov zoo tsis txaus ntseeg ntawm txhua hom kev sib txuas ntawm tus neeg xyuas pib uas nws tso cai rau koj kom ua tiav qhov tsis muaj kev tiv thaiv ib ntus uas tshwm sim thaum bolting thiab twisting. Qhov kom zoo dua no yog qhov tseeb tshwj xeeb thaum txuas cov xaim rau cov khoom siv hluav taws xob muaj zog.

Qhov zoo ntawm vuam hlau hauv lub thawv hluav taws xob sib txuas tau yooj yim pom piv rau cov txheej txheem soldering:

• tsis muaj tinning ntawm liab qab strands;
• tsis siv cov khoom siv (tin) siv;
• nrawmkev ua haujlwm ntau dua, yog li kev ua haujlwm nce nrog ntau qhov kev sib txuas;
• muaj peev xwm vuam hlau ntawm txhua ntu.

Qhov tsis zoo tseem ceeb yog tus nqi ntawm cov khoom siv uas yuav tsum tau ua kom muaj kev sib txuas zoo.

vuam tshuab

Vuam tooj liab nyob rau hauv ib lub thawv sib txuas yog tsim kom muaj hluav taws xob arc, uas ua rau qhov kawg ntawm cov cores thiab tsim kom muaj kev sib txuas.

Lub tshuab xaim txuas yog raws li hauv qab no:

1. Ua ntej tshaj, koj yuav tsum npaj cov xov hlau rau kev sib txuas. Txhawm rau ua qhov no, peb rub cov cores los ntawm rwb thaiv tsev los ntawm 60-70 hli txhawm rau kom tsis suav nws cov yaj thaum lub sijhawm vuam.
2. Tom ntej no, koj yuav tsum txuas cov xov hlau nrog twist. Hom twist tsis muaj teeb meem, txij li kev sib cuag nruj yog tsim los ntawm vuam.
3. Qhov twist yuav tsum yog 50 mm ntev. Lub fluffy ib feem ntawm cov conductors yog ua tib zoo tom tawm nrog hlau cutters.
4. Ntawm qhov deb ntawm 25-30 hli los ntawm qhov kawg ntawm kev sib koom ua ke, peb clamp cov cores nrog lub clamping ntaus ntawv, uas yog qhov tsis zoo ntawm cov cable los ntawm lub tshuab vuam. Nws yog rau cov cuab yeej no uas cov xov hlau txuas tau tuav.
5. Xaiv tus tuav nrog lub electrode raug coj mus rau qhov sib txuas.
6. Los ntawm luv luv kov qhov kawg ntawm ib qho tshwj xeeb electrode mus rau qhov kawg ntawm qhov twist, ib qho hluav taws xob arc yog ignited. Nyob ntawm qhov hla ntawm cov xov hlau thiab lub zog tam sim no, lub sijhawm tuav lub sijhawm (1-2 vib nas this) raug xaiv.
7. Tom qab koom nrog cov xov hlau, uas yog txiav txim siab los ntawm cov pob molten tawm ntawmkawg ntawm qhov twist, peb txav cov electrode ib sab, yog li cuam tshuam cov hluav taws xob arc.
8. Cia lub compound txias.
9. Ntxiv mus, cov welded xov hlau yog insulated nrog kub shrink tubing thiab muab tso rau hauv ib lub thawv hlws ris.

tooj liab electrodes

Tshwj xeeb tooj liab-plated graphite lossis carbon electrodes yog xav tau rau vuam hlau nyob rau hauv ib lub thawv sib txuas. Xws li cov electrodes muaj qhov melting point ob peb zaug siab dua qhov melting ntawm tooj liab. Lawv yooj yim txiav, uas tso cai rau koj ua cov pas nrig ntawm qhov yooj yim rau kev ua haujlwm.

Thaum siv lub tshuab xaim hauv tsev hauv lub thawv sib txuas, nws yog qhov zoo dua los siv cov pa roj carbon electrodes uas muaj hluav taws xob arc kub dua li cov graphite. Cov cuab yeej no tso cai rau vuam ntawm qhov tsawg kawg nkaus tam sim no.

Graphite electrodes tau dav siv hauv inverter vuam, xws li cov cuab yeej muaj kev hloov kho tam sim no. Vuam nrog lub inverter yog qhov zoo dua. Yog tias lub Hoobkas tsis muaj cov pas nrig, cov pas nrig siv roj teeb lossis txhuam los ntawm lub tshuab hluav taws xob tuaj yeem siv tau.

Hlau vuam tshuab

Cov hom vuam hauv qab no yog siv rau kev teeb tsa hluav taws xob ua haujlwm ntawm cov chaw lag luam: chaw, arc, ntshav, ultrasonic, thiab qee zaum semi-automatic vuam ntawm cov xov hlau hauv lub thawv sib txuas. Hauv cov xwm txheej hauv tsev, qhov chaw lossis arc hom vuam feem ntau yog siv. tom tsev kom paub meejwelding txheej txheem, ntau yam transformers, inverters, raws li zoo raws li tshwj xeeb pab kiag li lawm rau vuam hlau nyob rau hauv lub junction box yog siv.

vuam transformers

Txhawm rau kom lub melting ntawm qhov kawg ntawm qhov sib tw yuav tshwm sim zoo, lub vuam tshuab yuav tsum tsim kom muaj lub zog tam sim no. Lub transformer ntawm lub vuam tshuab muab adjustable tam sim no mus txog 400 A, thaum vuam yog nqa tawm nrog tshwj xeeb carbon electrodes coated nrog tooj liab.

Kev siv lub vuam transformer yog qhov ncaj ncees tshaj plaws nyob rau hauv switchboards nrog ntau qhov kev sib txuas, vim nws tsis tas yuav hloov pauv ntawm qhov hnyav transformer.

Txhawm rau tsim kev sib txuas, koj yuav tsum qhib lub tshuab hloov pauv hauv lub network, txuas qhov tsis zoo rau lub clamp, thiab qhov kev sib cuag zoo rau cov khoom siv hluav taws xob. Teem lub zog uas xav tau tam sim no ntawm lub cuab yeej, nyob ntawm qhov hla ntawm cov xov hlau.

Inverter vuam

txhawm rau txhawm rau txhawm rau txhawm rau vuam, nws yooj yim siv lub tshuab inverter nrog qhov hnyav tsawg. Feem ntau, cov khoom siv zoo li no tau nruab nrog cov hlua tshwj xeeb uas tso cai rau koj los dai cov cuab yeej ntawm koj lub xub pwg nyom thiab txuas cov xov hlau txawm tias qhov siab.

Vuam ntawm cov xaim hauv lub thawv sib txuas los ntawm lub tshuab hluav taws xob tuaj yeem nqa tawm nrog kev hloov pauv lossis ncaj qha tam sim no nrog qhov hluav taws xob me me ntawm 12-36 volts. Kev hloov kho tam sim no muaj nyob hauv yuav luag txhua yam khoom siv inverter.

Cov txheej txheem ntawm vuam nrog lub inverter zoo ib yam li kev ua haujlwm nrog lub tshuab hloov pauv. Qhov kev sib cuag zoo yog txuas nrog tus tuav electrode, thiab qhov kev sib cuag tsis zoo yog txuas nrog lub clamp. Vuam nrog lub inverter yog qhov yooj yim dua thiab ua haujlwm tau zoo, vim tias tsis muaj suab nrov ntawm chav tsev, thiab tsis muaj hluav taws xob nyob hauv chav tsev vim tias lub tshuab siv hluav taws xob tsawg.

Tam sim no, cov tuam ntxhab muab cov tshuab vuam tshwj xeeb rau cov kws tshaj lij. Cov khoom siv no muaj kev hloov kho tam sim no ntawm 30-120 A, nrog rau lub zog ntawm 1-1.5 kW. Tab sis tsis zoo li tus qauv inverters, nws qhov hnyav thiab qhov ntev yog qhov tsawg dua. Tsis tas li ntawd, cov khoom siv me me tau nruab nrog lub thawv tshwj xeeb rau carbon electrodes thiab clamp nrog lub platform dav.

Ua tus kheej vuam tshuab

Feem ntau, hauv tsev, nws yog qhov yooj yim tshaj plaws los ua ib lub tshuab vuam nyob rau hauv lub thawv transformer-hom junction box. Rau cov laj thawj no, cov ntaub ntawv hauv qab no yuav xav tau:

a transformer nrog lub hwj chim tsawg kawg yog 600 W, uas muaj qhov hluav taws xob ntawm qhov thib ob winding ntawm txog 30 V;

• crocodile clips yuav tsum tau kho cov electrode;
• txhuas txuas cables;
• koj xav tau tus tswj kom hloov qhov voltage;
• screwdrivers, pliers rau kev sib txuas ua haujlwm.

txheej txheem ntawm kev sib dhos tus kheej ntawm cov cuab yeej vuam yog qhov zoo tshaj plaws los ntawm cov neeg uas paub txog kev tsim hluav taws xob txhawm rau txhawm rau sib sau cov khoom siv hluav taws xob zoo.

theem tseem ceebua raws li hauv qab no:

• Ua ntej tshaj plaws, koj yuav tsum xaiv lub cev ntawm lub cuab yeej, thaum ua tib zoo saib nws qhov hnyav, kom lub cuab yeej txav tau yooj yim dua yav tom ntej.
• Ib qho kev hloov yuav tsum tau nruab nruab nrab ntawm lub tshuab hloov pauv thiab cov xaim xaim, uas yuav muab tam sim no thiab tua lub tsev.

• Txuas lub zog xaim mus rau qhov hloov pauv.
• Los ntawm qhov thib ob winding ntawm lub transformer nrog ib tug hnyav gauge hlau, koj yuav tsum tau txuas lub clamping ntaus ntawv thiab lub electrode tuav.

Lub tswv yim thiab kev ua kom yuam kev los ntawm kev paub txog kev txhim kho

Yuav ua tau zoo vuam ntawm cov hlau nyob rau hauv ib lub thawv sib txuas, nws yuav tsis yog superfluous ua raws li cov lus qhia ntawm kev paub txog installers:

• Kev ntxuav cov xov hlau los ntawm kev rwb thaiv tsev yuav tsum tau ua nrog kev saib xyuas hnyav kom tsis txhob muaj kev puas tsuaj rau cov tub ntxhais, uas tuaj yeem tawg tom qab.
• Thaum lub sijhawm vuam, cov hlua yuav tsum muab tso rau hauv txoj haujlwm ntsug kom cov hlau yaj sib npaug.
• Nws yog qhov yuav tsum tau siv cov cuab yeej tiv thaiv thaum vuam (cov npog ntsej muag, hnab looj tes tiv thaiv tshav kub, khaub ncaws tshwj xeeb).
• Nws raug nquahu rau cov neeg pib xyaum ua me ntsis ntawm cov khoom sib cais ntawm cov hlau hauv ntau hom ntawm cov txheej txheem vuam.

Nco ntsoov tias kev sib txuas ntawm cov xov hlau hauv lub thawv hluav taws xob sib txuas los ntawm kev vuam tau lees paub qhov txiaj ntsig zoo tshaj plaws thiab hauv kev ua haujlwm ntxiv yuav tsis tsimteeb meem nrog cov khoom siv hluav taws xob hauv tsev. Kev siv cov cuab yeej ua-nws-koj tus kheej yuav tso cai rau koj kom ua tiav lub zog ntawm kev sib txuas tsis muaj kev phem dua li cov qauv ntawm lub Hoobkas.