Los ntawm tsab xov xwm koj yuav kawm seb lub tshuab vuam yog dab tsi. Ua lawv nrog koj tus kheej tes yog qhov yooj yim heev yog tias koj muaj kev paub txog hluav taws xob engineering thiab cov cuab yeej tsim nyog. Raws li lub hauv paus rau lub tshuab vuam, ob qho tib si npaj txhij-ua transformer thiab ib qho hauv tsev tuaj yeem nqa tau.
Tau kawg, cov qauv tsim no siv ntau lub zog, yog li ntawd, qhov muaj zog hluav taws xob poob yuav raug pom hauv lub network. Qhov no yuav cuam tshuam rau kev ua haujlwm ntawm cov khoom siv hluav taws xob hauv tsev. Nws yog vim li no tias cov qauv tsim raws li cov khoom siv semiconductor muaj txiaj ntsig zoo dua. Txhawm rau muab nws yooj yim, cov no yog inverter vuam tshuab.
The simplest vuam tshuab
Yog li, thawj kauj ruam yog xav txog cov qauv yooj yim tshaj plaws uas leej twg tuaj yeem rov ua dua. Tau kawg, cov no yog cov khoom siv raws li kev hloov pauv. Cov qauv tsim tau tham hauv qab no tso cai rau koj ua haujlwm ntawm qhov hluav taws xob ntawm 220 thiab 380 volts. Qhov siab tshaj plaws ntawm cov electrode siv hauv vuam yog 4hli. Lub thickness ntawm welded hlau ntsiab yog li ntawm 1 mus rau 20 millimeters. Tam sim no koj yuav kawm tag nrho txog yuav ua li cas ua lub tshuab vuam nrog koj tus kheej tes. Ntxiv mus, koj tuaj yeem txav los ntawm qhov yooj yim mus rau complex.
Txawm hais tias cov yam ntxwv zoo heev, lub tshuab vuam yog tsim los ntawm cov khoom siv tau yooj yim. Koj yuav xav tau peb-theem kauj ruam-down transformer rau kev sib dhos. Nyob rau tib lub sijhawm, nws lub zog yuav tsum yog li 2 kilowatts. Nws tseem tsim nyog sau cia tias koj yuav tsis xav tau tag nrho cov windings. Yog li ntawd, yog tias ib qho ntawm lawv ua tsis tiav, yuav tsis muaj teeb meem nrog kev tsim kho ntxiv.
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Cov kab hauv qab yog tias koj tsuas yog yuav tsum tau hloov pauv hauv qhov thib ob winding. Txhawm rau pab txhawb txoj haujlwm, kab lus hauv qab no qhia txog daim duab ntawm lub tshuab vuam, nws txoj kev txuas rau lub network kuj tau piav qhia.
Yog li, thawj qhov winding tsis tas yuav tsum tau kov, nws muaj tag nrho cov yam ntxwv tsim nyog rau kev ua haujlwm los ntawm 220 volt AC mains. Tsis tas yuav disassemble lub hauv paus, nws yog txaus los disassemble lub thib ob winding ncaj qha rau nws, thiab cua ib tug tshiab hloov.
Muaj ntau lub voj voog ntawm lub transformer koj yuav tsum xaiv. Peb lub hauv paus, tib tus lej thib ob. Tab sis kuj muaj qhov nruab nrab windings. Kuj muaj peb leeg. Nws yog es tsis txhob ntawm nruab nrab ib qho uas yuav tsum tau cua tib lub xaim uas tau siv los ua tus thawj. Tsis tas li ntawd, nws yog ib qho tsim nyog yuav tsum tau ua kais dej los ntawm txhua peb caug tig. Nyob ze300 lem nyob rau hauv tag nrho yuav tsum muaj txhua winding. Los ntawm kev ua kom zoo ntawm cov hlau, koj tuaj yeem ua kom lub zog ntawm lub tshuab vuam.
Qhov thib ob winding yog qhov txhab ntawm ob lub coils loj. Nws yog ib qho nyuaj rau qhia meej tus naj npawb ntawm lem, txij li qhov ntau, qhov zoo dua. Cov hlau yog siv nrog ib ntu ntawm 6-8 square millimeters. Ua ke nrog nws, ib tug nyias hlau yog mob nyob rau tib lub sij hawm. Raws li lub hwj chim cable, koj yuav tsum tau siv ib tug stranded cable nyob rau hauv txhim khu kev qha rwb thaiv tsev. Qhov no yog yuav ua li cas-nws-koj tus kheej vuam tshuab ua.
Yog tias peb txheeb xyuas tag nrho cov qauv tsim los ntawm kev siv thev naus laus zis no, nws hloov tawm tias kwv yees tus nqi ntawm cov hlau yog li 25 meters. Yog tias tsis muaj cov xaim nrog qhov loj hla ntu, koj tuaj yeem siv lub cable nrog thaj tsam ntawm 3-4 square millimeters. Tab sis nyob rau hauv cov ntaub ntawv no, nws yuav tsum tau muab tais nyob rau hauv ib nrab thaum winding.
Transformer txuas
Tus tsim muaj lub tshuab vuam yooj yim. Ib lub tshuab hluav taws xob semi-automatic tuaj yeem ua tau raws li nws lub hauv paus yog tias muaj ib qho ntxiv winding los ua lub zog hluav taws xob rau cov khoom siv hluav taws xob. Thov nco ntsoov tias qhov tso zis ntawm lub transformer yuav yog ib qho tam sim no loj heev. Yog li ntawd, tag nrho cov kev sib txuas sib txuas yuav tsum tau ua kom muaj zog li sai tau.
Txhawm rau ua cov terminals rau kev txuas mus rau theem nrab winding, koj yuav xav tau lub raj tooj liab. Nws yuav tsum muaj txoj kab uas hla ntawm 10 millimeters thiab qhov ntev ntawm 3-4 cm, nws yuav tsum tau riveted los ntawm ib kawg. Koj yuav tsum tau txais ib lub phaj uas koj yuav tsum tau ua ib lub qhov. Nws txoj kab uas hla yuav tsum yog li ib centimeter. Nrogcov xov hlau tau ntxig rau ntawm qhov kawg. Txawm hais tias lub tshuab vuam yog DC lossis AC, kev hloov pauv yog ua kom nruj thiab txhim khu kev qha raws li qhov ua tau.
Nws yog ntshaw kom ntxuav lawv zoo kawg nkaus, yog tias tsim nyog, kho lawv hauv cov kua qaub thiab nruab nrab. Txhawm rau txhim kho kev sib cuag, ob ntug ntawm lub raj yuav tsum tau me ntsis flattened nrog rauj. Cov lus xaus ntawm thawj winding yog qhov zoo tshaj plaws txuas rau lub rooj tsavxwm textolite. Nws thickness yuav tsum yog li peb millimeters, nws yuav ua tau ntau dua. Nws yog rigidly txuas rau lub transformer. Tsis tas li ntawd, 10 qhov yuav tsum tau ua nyob rau hauv lub rooj tsavxwm no, txhua tus muaj txoj kab uas hla ntawm 6 millimeters. Saib cov tswv yim ntawm lub tshuab vuam, nws txuas nrog 220 thiab 380 Volt network li cas.
Lawv yuav tsum tau nruab cov ntsia hlau, txiv ntseej thiab ntxhua khaub ncaws. Cov lus xaus ntawm tag nrho cov thawj windings txuas nrog lawv. Nyob rau hauv qhov kev tshwm sim uas vuam yuav tsum tau ua hauj lwm los ntawm ib tug 220-volt tsev neeg network, huab cua windings ntawm lub transformer yog kev cob cog rua nyob rau hauv parallel. Qhov nruab nrab winding yog txuas nrog rau hauv series nrog lawv. Vuam yuav ua haujlwm zoo thaum siv los ntawm 380 volts.
Txhawm rau txuas cov thawj windings rau lub mains, koj yuav tsum tau siv lwm txoj kev. Ob qho tib si huab cua yog txuas nrog hauv series. Tsuas yog tom qab ntawd, qhov nruab nrab winding yog switched nyob rau hauv series nrog lawv. Yog vim li cas rau qhov no nyob rau hauv cov nram qab no: lub nruab nrab winding yog ib tug ntxiv inductive kuj, nrog rau nws cov kev pab, lub voltage thiab tam sim no nyob rau hauv lub thib ob Circuit Court yog txo. Ua tsaug rau qhov no, ua-nws-koj tus kheej vuam tshuab ua haujlwm hauv hom qub.ua los ntawm cov cuab yeej saum toj no.
Kev tsim cov khoom siv hluav taws xob
Tau kawg, ib feem tseem ceeb ntawm txhua lub tshuab vuam yog tus tuav electrode. Tsis tas yuav yuav npaj ua tiav, yog tias koj tuaj yeem ua los ntawm cov khoom siv improvised. Koj xav tau peb lub hlis twg cov yeeb nkab, nws qhov ntev tag nrho yuav tsum yog li 25 centimeters. Ntawm ob qhov kawg, nws yog ib qho tsim nyog yuav tsum ua kom me me, txog 1/2 ntawm txoj kab uas hla. Nrog xws li ib tug tuav, lub vuam tshuab yuav ua hauj lwm ib txwm. Muaj ib qho kev xav tau tshwj xeeb rau cov khoom siv yas - lawv yuav tsum nyob deb li deb tau ntawm lub tshuab hloov pauv thiab cov khoom siv.
Koj yuav tsum ua rau lawv peb mus rau plaub centimeters ntawm ntug. Tom qab ntawd muab ib daim hlau hlau nrog ib txoj kab uas hla ntawm 6 millimeters, welded rau cov yeeb nkab tawm tsam qhov chaw loj dua. Ntawm qhov tod tes, koj yuav tsum tau laum ib lub qhov, txuas ib lub xaim rau nws, uas yuav txuas nrog rau qhov thib ob winding.
Kev online
Nws yog ib qho tsim nyog sau cia tias koj yuav tsum txuas lub tshuab vuam raws li txhua txoj cai. Ua ntej, koj yuav tsum siv rab riam hloov, uas koj tuaj yeem yooj yim disconnect lub cuab yeej ntawm lub network. Thov nco ntsoov tias ua-nws-koj tus kheej welding tshuab yuav tsum tsis txhob ua tsis zoo rau kev nyab xeeb rau cov analogues tsim los ntawm kev lag luam. Qhov thib ob, qhov hla ntawm cov xov hlau txuas rau lub network yuav tsum yog tsawg kawg ib thiab ib nrab square millimeters. Kev siv tam sim no ntawm thawj winding yog qhov siab tshaj plaws ntawm 25 amperes. NtawmNyob rau hauv cov ntaub ntawv no, lub tam sim no nyob rau hauv lub thib ob Circuit Court hloov nyob rau hauv qhov ntau ntawm 60..120 amperes. Thov nco ntsoov tias tus qauv tsim no kuj yooj yim, yog li nws tsuas yog tsim nyog rau kev siv hauv tsev.
Sim muab sijhawm so me ntsis, tsis hais seb lub tshuab vuam yog semi-automatic lossis phau ntawv. Siv lub kaum os electrodes - tua vuam, cia nws txias me ntsis. Tab sis qhov no tsuas yog siv cov electrodes nrog lub cheeb ntau dua 3 millimeters. Yog tias koj siv cov me me, piv txwv li 2 millimeters, ces qhov kub ntawm lub transformer windings tsis nce ntau tshaj 80 degrees. Yog li ntawd, nws muaj peev xwm ua hauj lwm yam tsis tau hloov lub vuam tshuab. Thaum ua haujlwm, nco ntsoov ua raws li kev tiv thaiv kev nyab xeeb. Paub koj tus kheej nrog cov cai ntawm kev nyab xeeb hluav taws thaum ua haujlwm ntawm lub tshuab vuam. Tsis txhob tub nkeeg thiab nyeem txog cov cai ntawm kev nyab xeeb hluav taws xob.
Spot vuam tshuab
Ib lub tshuab welding tshuab kuj tseem yuav pab tau. Cov qauv tsim ntawm cov khoom siv no tsis yooj yim dua li yav dhau los. Txawm li cas los xij, cov zis tam sim no loj heev. Tab sis nws muaj peev xwm ua tau los tiv thaiv vuam ntawm cov hlau mus txog peb millimeters tuab. Hauv feem ntau cov qauv tsim tsis muaj kev hloov kho ntawm cov zis tam sim no. Tab sis koj tuaj yeem ua tau yog tias koj xav tau. Muaj tseeb tiag, tag nrho cov haujlwm hauv tsev yuav nyuaj dua. Qhov xav tau los tswj cov zis tam sim no raug tshem tawm, txij li cov txheej txheem vuam tuaj yeem tswj tau qhov muag pom. Tau kawg, inverter vuam tshuab yuav ua tau zoo dua. Tab sis cov ntsiab lus tuaj yeem ua tau dab tsitsis pub ua lwm yam tsim.
Rau qhov chaw tsim khoom koj yuav xav tau lub tshuab hluav taws xob nrog lub zog ntawm li 1 kilowatt. Thawj winding tseem tsis hloov. Tsuas yog qhov thib ob yuav tsum tau rov ua dua. Thiab yog tias siv lub tshuab hluav taws xob los ntawm lub qhov cub microwave hauv tsev, ces koj yuav tsum tau khob tawm qhov thib ob winding, es tsis txhob winding ob peb lem ntawm loj-section hlau. Yog tias ua tau, nws yog qhov zoo dua los siv lub npav tooj liab. Cov zis yuav tsum yog li tsib volts, tab sis qhov no yuav txaus rau kev ua haujlwm tag nrho ntawm lub cuab yeej.
Tsim ntawm tus tuav electrode
Ntawm no nws txawv me ntsis ntawm qhov tau tham saum toj no. Rau kev tsim khoom koj yuav xav tau me me duralumin blanks. Haum rods nrog ib txoj kab uas hla ntawm 3 centimeters. Qhov qis dua yuav tsum tsis muaj zog, cais tawm ntawm cov neeg sib cuag. Raws li cov khoom siv insulating, koj tuaj yeem siv textolite ntxhua khaub ncaws, nrog rau cov ntaub varnished. Ib qho twg, txawm tias qhov yooj yim tshaj plaws qhov chaw vuam tshuab xav tau cov khoom siv hluav taws xob txhim khu kev qha, yog li them nyiaj siab tshaj plaws rau nws cov qauv tsim.
Electrodes yog ua los ntawm tooj liab, lawv txoj kab uas hla yog 10-12 millimeters. Lawv ruaj khov kho nyob rau hauv lub yas dhos nrog cov duab tooj dag inserts. Thawj txoj hauj lwm ntawm tus tuav electrode - nws cov halves yog sib nrauj. Springs tuaj yeem siv los muab elasticity. Zoo meej rau cov txaj qub.
Resistance welding ua haujlwm
Nws yog qhov tsim nyog los txuas cov vuam zoo li nohluav taws xob network siv lub Circuit Court breaker. Nws yuav tsum muaj qhov ntsuas tam sim no ntawm 20 amps. Ua tib zoo saib xyuas qhov tseeb tias ntawm cov tswv yim (qhov twg koj muaj lub txee) lub tshuab yuav tsum yog tib yam ntawm qhov tsis muaj lossis loj dua. Txhawm rau qhib lub transformer, ib qho yooj yim magnetic starter yog siv. Kev ua haujlwm ntawm kev sib cuag-hom vuam tshuab yog txawv me ntsis ntawm qhov tau tham saum toj no. Thiab tam sim no koj yuav kawm cov yam ntxwv no.
Txhawm rau qhib lub tshuab hluav taws xob sib nqus, koj yuav tsum muab lub pedal tshwj xeeb uas koj yuav nias nrog koj txhais ko taw kom tsim tau tam sim no nyob rau hauv lub voj voog thib ob. Thov nco ntsoov tias cov vuam tsis kam yog hloov mus rau thiab tawm tsuas yog tias cov electrodes tau tag nrho coj los ua ke. Yog tias koj tsis quav ntsej txog txoj cai no, ntau lub txim taws yuav tshwm sim, vim li ntawd, qhov no yuav ua rau cov hluav taws xob hlawv, lawv tsis ua haujlwm. Sim ua tib zoo saib xyuas qhov kub ntawm lub tshuab vuam kom ntau li ntau tau. Siv sijhawm so me me los ntawm qee lub sijhawm. Tsis txhob tso cai rau chav tsev kub dhau.
Inverter vuam tshuab
Nws yog qhov niaj hnub tshaj plaws, tab sis nyuaj rau tsim. Nws siv lub pulse transformer thiab siab zog semiconductor transistors. Tej zaum cov no yog cov khoom kim tshaj plaws thiab tsis tshua muaj. Ua ntej ntawm tag nrho cov, lub hwj chim mov yog ua. Nws yog pulsed, yog li nws yog tsim nyog los ua ib tug tshwj xeeb transformer. Thiab tam sim no hauv kev nthuav dav ntxiv txog dab tsi xws li lub tshuab vuam muaj. Saib cov yam ntxwv ntawm nws cov khoomtom ntej no.
Tau kawg, lub tshuab hluav taws xob siv hauv inverter yog me dua li cov lus hais saum toj no. Koj tseem yuav tau ua kom lub throttle. Yog li, koj yuav tsum tau txais ib tug ferrite core, ib tug thav duab rau transformer, tooj liab log tsheb, tshwj xeeb brackets los kho ob halves ntawm ferrite core, hluav taws xob daim kab xev. Qhov kawg yuav tsum tau xaiv raws li cov ntaub ntawv ntawm nws cov thermal stability. Ua raws li cov lus qhia no thaum ua inverter vuam.
Transformer winding
Lub tshuab hloov pauv tau raug mob hla tag nrho qhov dav ntawm tus ncej. Tsuas yog nyob rau hauv cov xwm txheej no nws tuaj yeem tiv taus qhov poob qis. Rau winding, yog siv lub tsheb npav tooj liab lossis cov xov hlau sib dhos hauv ib pob. Thov nco ntsoov tias txhuas hlau tsis tuaj yeem siv! Nws tsis tuaj yeem tiv taus xws li hluav taws xob loj tam sim no uas muaj nyob hauv inverter. Xws li lub tshuab vuam rau muab tuaj yeem pab koj tawm, thiab nws qhov hnyav yog qhov me me. Cov coils raug mob kom nruj li sai tau. Qhov thib ob winding yog ob lub xov hlau nrog lub thickness ntawm txog ob millimeters, twisted ua ke.
Lawv yuav tsum nyob ib leeg nyob ib leeg kom ntau li ntau tau. Yog tias koj muaj cov khoom lag luam loj ntawm kab rov tav transformers los ntawm cov qub TVs, koj tuaj yeem siv lawv hauv kev tsim. Nws yuav siv 5 daim, thiab koj yuav tsum ua ib qho kev sib nqus sib nqus tawm ntawm lawv. Txhawm rau kom lub cuab yeej ua haujlwm nrog kev ua haujlwm siab tshaj plaws, koj yuav tsum tau them sai sai rau txhua yam me me. Hauv particular, cov hlau thickness ntawm cov zis windingtransformer cuam tshuam nws qhov txuas ntxiv.
Inverter tsim
Yuav ua kom lub tshuab vuam 200, koj yuav tsum tau them nyiaj siab tshaj plaws rau txhua yam me me. Hauv particular, lub hwj chim transistors yuav tsum tau mounted ntawm lub heatsink. Tsis tas li ntawd, kev siv cov thermal muab tshuaj yog txais tos kom hloov cov cua sov los ntawm transistor mus rau lub radiator. Thiab nws raug pom zoo kom hloov nws ib ntus, raws li nws zoo li qhuav. Nyob rau hauv cov ntaub ntawv no, tshav kub hloov mus ua phem, muaj peev xwm uas semiconductors yuav poob. Tsis tas li ntawd, koj yuav tsum ua kom txias txias. Rau lub hom phiaj no, tso cua txias yog siv. Diodes siv los kho qhov hloov pauv tam sim no yuav tsum tau muab tso rau ntawm lub phaj txhuas. Nws thickness yuav tsum yog 6 millimeters.
Kev sib txuas ntawm cov terminals yog ua los ntawm cov hlau tsis muaj insulated. Nws hla ntu yuav tsum yog 4 hli. Thov nco ntsoov tias muaj qhov ntev tshaj plaws ntawm kev sib txuas ntawm cov xov hlau. Lawv yuav tsum tsis txhob kov ib leeg, tsis muaj teeb meem dab tsi cuam tshuam rau lub cev ntawm lub tshuab vuam kev paub. Lub throttle yuav tsum tau kho rau lub hauv paus ntawm lub tshuab vuam nrog lub phaj hlau.
Ntxiv mus, qhov kawg yuav tsum rov ua kom zoo dua ntawm lub throttle nws tus kheej. Txhawm rau txo kev vibration, nws yog ib qho tsim nyog yuav tsum tau nruab ib lub foob roj hmab ntawm lub tsev thiab lub throttle. Cov kab hluav taws xob nyob hauv lub cuab yeej yog bred nyob rau hauv ntau cov lus qhia. Txwv tsis pub, muaj qhov ua tau luv luvkaw. Nws yog ib qho tsim nyog yuav tau nruab lub kiv cua nyob rau hauv xws li ib txoj kev uas nws tshuab tag nrho cov radiators tib lub sij hawm. Txwv tsis pub, yog tias koj siv tsis tau ib tus kiv cua, koj yuav tau nruab ob peb.
Tab sis nws yog qhov zoo dua los suav tag nrho ua ntej qhov chaw teeb tsa ntawm txhua lub ntsiab lus ntawm lub kaw lus. Thov nco ntsoov tias qhov thib ob winding yuav tsum tau txias kom zoo li sai tau. Raws li koj tuaj yeem pom, tsis tsuas yog radiators xav tau kev ua haujlwm zoo. Rau lub hauv paus no, nws muaj peev xwm ua tau ib lub tshuab argon vuam yam tsis muaj nqi. Tab sis nws txoj kev tsim kho yuav xav tau kev siv lwm yam khoom siv.
Zoo kawg
Tam sim no koj paub yuav ua li cas ua ntau hom vuam tshuab. Yog tias koj muaj kev txawj ntse hauv kev tsim cov khoom siv hluav taws xob, ces nws yog qhov zoo dua, ntawm chav kawm, nres ntawm lub tshuab inverter vuam. Koj yuav siv sijhawm, tab sis thaum kawg koj yuav tau txais cov cuab yeej zoo heev uas tsis yog qis dua txawm tias kim kim Japanese counterparts. Ntxiv mus, nws cov khoom yuav raug nqi mere pennies.
Tab sis yog tias yuav tsum tau ua lub tshuab vuam, raws li lawv hais, nrawm, nws yuav yooj yim dua los txuas ob lub tshuab hluav taws xob los ntawm lub qhov cub microwave nrog hloov kho qhov sib txuas. Tom qab ntawd, tag nrho chav tsev tuaj yeem txhim kho los ntawm kev ntxiv ib qho hluav taws xob tsav rau muab cov electrodes rau nws. Koj tuaj yeem nruab ib lub tog raj kheej uas muaj cov pa roj carbon dioxide txhawm rau txhawm rau vuam hlau hauv nws ib puag ncig.
