Flyback Transformer Tsav Tsheb rau Pib: 11 Kauj Ruam (nrog Duab)

2024 Tus sau: John Day | [email protected]. Kawg hloov kho: 2024-01-30 09:25

Cov txheej txheem tau hloov kho nrog cov transistor zoo dua thiab suav nrog kev tiv thaiv transistor yooj yim hauv daim ntawv ntawm lub capacitor thiab diode. Nplooj ntawv "mus txuas ntxiv" tam sim no suav nrog txoj hauv kev los ntsuas cov ntsuas hluav taws xob zoo li no nrog lub voltmeter

Lub tshuab hluav taws xob rov qab, qee zaum hu ua kab hluav taws xob hloov pauv, tau siv hauv CRT TV qub thiab lub khoos phis tawj saib xyuas kom tsim hluav taws xob siab uas yuav tsum tau tsav CRT thiab rab phom tshuab hluav taws xob. Lawv kuj muaj cov pab cuam qis qis qis qis uas cov kws tsim TV siv los txhawb lwm qhov hauv TV. Rau qhov kev sim hluav taws xob siab peb siv lawv los ua hluav taws xob hluav taws xob siab uas yog cov lus qhia no yuav qhia koj yuav ua li cas. Koj tuaj yeem tau txais cov hloov pauv rov qab los ntawm CRT qub saib thiab TV's, lawv yog cov uas loj thiab loj. Lwm cov lus qhia hauv lub vev xaib no qhia yuav ua li cas tshem lawv tawm ntawm lub chassis thiab lub rooj tsav xwm hauv Circuit.

Tsis lees paub

Kuv tsis muaj txoj hauv kev lav paub yog tias koj cuam tshuam nrog lub voj voog no.

Kauj ruam 1: Yam Koj Yuav Tsum Tau

Ntau yam ntawm cov khoom siv no tuaj yeem rub los ntawm cov laug cam qub thiab hloov pauv tau feem ntau tuaj yeem ua yam tsis muaj teeb meem.

1 x Flyback transformer

Khaws los ntawm lub qub CRT TV/saib lossis yuav online (tsis txhob rub tawm, cov khoom no muaj nqis txog $ 15 saum thaum tshiab). TV flybacks zoo li ua tau zoo tshaj plaws nrog rau hauv Circuit Court no, saib flybacks tsis tso ntau npaum li.

1x Transistor xws li MJ15003

MJ15003 ua haujlwm tau zoo nrog tus tsav tsheb no, nws tuaj yeem kim me ntsis hauv qee qhov chaw txawm li cas los xij. Nov yog qhov kuv siv rau kuv tus tsav tsheb.

NTE284 thiab 2N3773 tau tshaj tawm los muab kev ua haujlwm zoo sib xws rau MJ15003 thaum KD606 thiab KD503 hais txog ua haujlwm ib yam nkaus. KD nyuaj rau tuav kom pheej yig niaj hnub no thiab muaj ntau nyob rau sab hnub tuaj Europe.

2n3055 yog lub tshuab hluav taws xob qub feem ntau ua khub nrog tus tsav tsheb no hauv Is Taws Nem, tab sis 60v qhov ntsuas txwv nws cov txiaj ntsig thiab ntau zaus ntau dua li tsis ua rau nws raug puas tsuaj. Lub ncov siab tshaj plaws rau cov hluav taws xob tso tawm tau yooj yim nce siab dua qhov ntsuas 60v thiab cov yeeb yaj kiab thaum lub transistor tawg ua rau muaj cua sov ntau thiab qhov ua tsis tiav ntawm lub cuab yeej. Yog li thov tsis txhob siv nws, yog tias koj xav tau koj yuav xav tau lub peev xwm loj xws li 470-1uF hla nws kom txwv qhov siab tshaj qhov hluav taws xob. Qhov no yuav ua rau cov arcs me me heev.

MJE13007 kuj tau ua tsis zoo hauv kuv qhov kev xeem yam tsis muaj kev hloov pauv hauv Circuit ntxiv.

Tus transistor zoo muaj qhov qeeb qeeb qeeb (lub sijhawm khaws khoom) thiab lub caij nplooj zeeg, tsim nyog tau txais txiaj ntsig tam sim no (Hfe), piv txwv li MJ15003 ntsuas qhov nce ntawm 30 nrog kuv tus ntsuas Suav.

Nws kuj tseem yuav tsum tau ntsuas rau ntau qhov amps txhawm rau tswj lub ncov tam sim no thiab tsawg kawg 120v, tab sis qis dua 250v yog qhov zoo dua li qhov hluav taws xob siab dua xws li feem ntau ua tsis tau oscillate hauv Circuit Court no. Ntau lub suab thiab kab ntawv thov transistors muaj cov ntsuas no.

1x Heatsink nrog mounting screws thiab txiv ntseej

(Heatsink loj dua yog qhov zoo dua). MJ15003 siv TO-3 case style whilst the MJE13007 siv TO − 220, TO-3 hardware feem ntau kim dua TO − 220. Cov uas ua haujlwm tau yooj yim nrog cov hlau tuaj yeem tsim lawv tus kheej lub rhaub dej kub tawm ntawm qhov seem los ntawm kev khawb qhov yuav tsum tau teeb tsa, tsuas yog google TO-3 lossis TO − 220 transistor kev kos duab rau cov ntaub ntawv ntau ntxiv.

Ib lub ncoo cua sov lossis muab tshuaj txhuam/roj tau pom zoo kom hloov pauv cua sov zoo dua ntawm lub transistor thiab lub rhaub dej kub. Cov khoom pheej yig tshaj thiab tsis zoo tshaj plaws uas koj tuaj yeem pom ntawm ebay yog qhov tsim nyog rau qhov no, koj tseem tuaj yeem khaws tau txaus los ntawm cov teeb qub LED lossis TV uas koj tau nqa rov qab los! Pea qhov loj npaum li cas yog txaus thiab cov transistor yuav zom nws thiab nthuav tawm nws.

1x 1 watt resistor

Koj lub zog hluav taws xob txiav txim siab tus nqi ntawm tus tiv thaiv no. 150 ohm rau 6v, 220 ohm rau 12v, 470 ohm rau 18v. Nws ua tau zoo kom mus siab dua hauv kev ntsuas wattage tab sis tsis qis dua. Kuv yuav ua tus tsav tsheb 12v yog li yuav siv 220 ohm resistor txij tam sim no mus.

1x 22 ohm 5 watt resistor

Cov resistor no yuav kub! Cia qhov chaw nyob ib puag ncig nws kom airflow. Kev txo qis qhov kev tiv thaiv ntawm tus tiv thaiv no yuav ua rau lub zog nyob hauv qhov hluav taws xob siab tab sis nyuab siab rau transistor ntau dua. Nws ua tau zoo kom mus siab dua hauv kev ntsuas wattage tab sis tsis qis dua.

2x Kev rov qab nrawm diodes ib qhov ntsuas rau qhov tsawg kawg ntawm 200v 2 amps nrog lub sijhawm rov qab rov qab qis dua 300ns, lwm qhov ntsuas rau 500mA thiab 50v yam tsawg kawg nkaus (UF4001-UF4007 ua haujlwm zoo ntawm no).

Lawv tiv thaiv lub transistor los ntawm qhov tsis zoo mus rau qhov hluav taws xob nrawm, Kuv tsuas yog siv cov uas pom hauv TV pawg thawj coj saib.

Rau 200v 2 amp diode Kuv tau siv BY229-200 tab sis txhua yam uas ua tau raws li qhov xav tau yam tsawg kawg nkaus yuav ua. MUR420 thiab MUR460 yog qhov pheej yig tshaj muaj nyob ntawm kuv lub khw hluav taws xob hauv zos, EGP30D txog EGP30K tseem yuav ua haujlwm nrog UF5402 txog UF5408.

Rau lwm qhov rov qab diode hla emitter thiab puag kuv siv UF4004, qhov no tiv thaiv lub hauv paus los ntawm qhov tsis zoo mus mem tes tiv thaiv transistor nce kev puas tsuaj.

1 x Capacitor

Qhov no yuav tsum yog zaj duab xis lossis ntawv ci ntaus nqi yam tsawg kawg ntawm 150vac thiab nruab nrab ntawm 47-560nF. Lub tshuab hluav taws xob no tsim cov quasi-resonant snubber thiab pab tiv thaiv lub transistor los ntawm qhov zoo mus rau qhov hluav taws xob qhov hluav taws xob loj, lub zog loj dua yuav txwv qhov tso tawm hluav taws xob tab sis muab kev tiv thaiv ntxiv, Kuv siv 200nF (code 204) nrog kuv tus tsav tsheb 12v. Nrog lub zog hluav taws xob siab dua koj tuaj yeem txo lub peev xwm thiab tso cai rau qhov hluav taws xob kom nrov nrov mus rau qib siab dua yog li ua rau muaj hluav taws xob ntau ntawm cov zis.

Kuv yuav suav nrog cov txheej txheem txhawm rau ntsuas qhov ntsuas siab tshaj plaws rau lub tshuab hluav taws xob tso tawm nrog lub ntsuas hluav taws xob ntawm nplooj ntawv "mus ntxiv".

Hlau (ib qho qub seem yuav ua). Rau qhov tseem ceeb thiab cov lus tawm tswv yim, ib qho xaim nruab nrab ntawm 18 AWG (0.75mm2) txog 26 AWG (0.14mm2) yuav txaus, tuab heev thiab nws yuav tsis haum whilst heev thiab nws yuav txwv zog thiab ua kom sov.

Qhov tsis xav tau tam sim no cov khoom siv hluav taws xob txuas hluav taws xob yog qhov zoo. Kuv siv 1 meter rau thawj thiab 70cm rau kev tawm tswv yim, nrog tus tsav tsheb 12v qhov no muab sijhawm ntev ntxiv rau kev sim nrog ntau dua tig, qhov ntau tuaj yeem raug txiav tawm thaum kho tau tiav.

Enameled tooj liab hlau hlau tsuas yog kim dhau rau ib hnub no rau kuv los qhia nws, ntxiv rau nws muaj tus cwj pwm tsis zoo ntawm khawb thiab luv luv tiv thaiv cov tub ntxhais.

Qee txoj hauv kev txuas cov khoom sib xws xws li cov laug los yog cov kab zauv kab zauv

Lub khob cij tuaj yeem siv tau tab sis nco ntsoov lub transistor thiab resistors tsis ua rau nws yaj!

6, 12 lossis 18v lub zog siv hluav taws xob tsawg kawg 2 amps (ntau ntxiv ntawm qhov no ntxiv rau).

Kauj ruam 2: Xaiv Capacitor

Lub capacitor hla lub transistor yuav tsum zoo ib yam li cov hauv daim duab saum toj no thiab raug ntsuas tsawg kawg 150 volts AC, lub peev xwm nyob ntawm koj qhov hluav taws xob muab, transistors sau rau emitter qhov ntsuas hluav taws xob, tus naj npawb ntawm tig rau coils (ntau dua = ntau qhov siab tshaj qhov ntsuas hluav taws xob). Cov capacitors pom hauv cov cuab yeej qub hla 120v/230v mains yog qhov zoo rau qhov no, lawv tau hu ua X chav kawm capacitors.

Lub hom phiaj yog kom muaj lub peev xwm txwv qhov siab tshaj plaws transistor qhov hluav taws xob mus rau qib uas tsis rhuav tshem nws thaum tseem tso cai rau nws nce siab txaus uas muaj cov hluav taws xob zoo tso tawm los ntawm lub tshuab hluav taws xob rov qab. Kev muaj peev xwm ntau yuav ua rau arc me dua tab sis zoo li nplaim taws. Kev xa hluav taws xob ntau tshaj yog thaum lub tshuab hluav taws xob tau hloov pauv ncaj qha rau tus lej ntawm cov coils hauv thiaj li hu ua "quasi-resonant" hom.

Rau kuv tus neeg tsav tsheb 12v Kuv siv 200nF zaj duab xis capacitor thiab uas txwv qhov siab tshaj plaws hla 140v ntsuas MJ15003 txog li 110v, ntawm no yog qee qhov pib qhov tseem ceeb (piv txwv tias 120v+ transistor, qis dua transistors yuav xav tau ntau lub peev xwm).

• 47nF-100nF rau 6v
• 150nF-220nF rau 12v
• 220nF-560nF rau 18v

Kom tau txais txiaj ntsig zoo tshaj plaws lub tshuab hluav taws xob no nrog rau lub diode xav tau lub cev nyob ze rau lub transistor kom txo qis qhov cuam tshuam ntawm cov kab mob parasitic Circuit inductance.

Koj tuaj yeem ntsuas qhov ntsuas qhov nce mus rau qhov tso tawm hluav taws xob nrog voltmeter siv lub peev xwm ntxiv thiab diode raws li qhia hauv ib qho ntawm cov duab saum toj no.

Kauj Ruam 3: Qhib Ob Kab

Cua ob cais coils ncig lub hauv paus. 8 tig thawj thiab 4 tig tawm tswv yim yog qhov pib zoo rau 12v, me ntsis tsawg dua ntawm ob qho rau 6v thiab ob peb ntxiv thawj zaug rau 18v. Kev sim tau pom zoo thiab lub zog tso tawm tuaj yeem tswj tau txoj hauv kev no, kev tawm tswv yim tsawg dua yuav ua rau lub zog tsis muaj zog thaum lub hauv paus ntau dua yuav muab ntau qhov hluav taws xob tso tawm.

Kuv tsis pom zoo kom xaim xaim xaim raws li txheej rwb thaiv tsev muaj tus cwj pwm uas tau khawb tawm ntawm cov ntug ntawm cov tub ntxhais thiab ua rau nws luv, ntxiv rau nws cov nqi niaj hnub no! Cov tub ntxhais yog qhov ntsuas tau zoo txog 10kohm kawg mus rau qhov kawg, yog li txhua qhov chaw puas ntawm cov xaim hluav taws xob xaim hluav taws xob zoo li txuas cov kab mob tiv thaiv kab mob ntawm lawv.

Lus Nug: Vim li cas kuv thiaj siv tsis tau qhov ua hauv coils?

Teb: Kuv tau ua qhov no yav dhau los nrog qee qhov ua tiav, nws nrov thiab zoo li zoo li ntsia hlau ntawm daim kab dam. Ntxiv rau nws tuaj yeem yog kev thab plaub nrhiav qhov coils los siv, thawj koom ruam zoo tshaj plaws yog google koj tus lej flybacks tus lej thiab saib yog tias cov chaw zoo li HR diemen muaj cov lej.

Kauj Ruam 4: Mount Transistor rau Heatsink

Ua ntawv thov ib qho ntawm cov cua sov sib xyaw lossis ntxig rau lub ntsuas cua sov, kis tusyees, tom qab ntawd rub lub transistor mus rau lub rhaub dej kub.

Lub rhaub dej kub yog qhov tseem ceeb raws li lub transistor dissipates lub zog raws li cua sov. Kuv yuav qhov heatsink uas pheej yig tshaj kuv tuaj yeem pom, tab sis loj dua yog qhov zoo dua. Lub transistor kuv siv yog ntawm TO-3 rooj plaub

Tsis txhob cia ob txhais ceg ntawm lub transistor kov cov hlau heatsink lossis lwm yam koj yuav ua luv luv hauv paus thiab emitter rau tus sau.

Kuv tsuas yog siv cov ntsia hlau thiab cov txiv ntoo uas kuv pom hauv lub nkas -las, tab sis lawv zoo nkauj pheej yig ntawm cov chaw xws li ebay lossis ntawm cov khw muag khoom kho vajtse hauv ib cheeb tsam.

Q: Kuv puas tuaj yeem siv PNP transistor? A: Yog, tab sis koj yuav tsum tsim lub hauv paus rov qab rau qhov av zoo, saib nplooj ntawv "mus ntxiv" rau PNP tus neeg tsav tsheb cov phiaj xwm.

Q: Puas yog lub rhaub dej kub xav tau tiag tiag? A: Yog, yog tias koj xav siv lub voj voog no ntau dua 10 vib nas this lub rhaub dej kub yog qhov tseem ceeb raws li lub tshuab hluav taws xob tau kub.

Q: Kuv puas tuaj yeem siv MOSFET? A: Tsis yog, MOSFET yuav tsis ua haujlwm rau lub voj voog no (lwm qhov kev hloov pauv tus kheej uas tsim los rau MOSFETs ib leeg nyob ntawd).

Kauj Ruam 5: Txuas Cov Hlau mus rau Cov Neeg Siv Khoom Sib Txuas

Cov ntaub ntawv hlau ntawm transistor yog tus sau, uas txhais tau tias kev txuas hluav taws xob xav tau ua rau nws. Lub nplhaib crimps lossis cov hlua txuas yog qhov raug los ua nws, tab sis yog tias koj tsis muaj cov no koj tuaj yeem cia li qhwv qee cov xaim nyob ib ncig ntawm cov ntsia hlau. Nws yuav tsis zoo li lub tshuab zoo li "raug" txoj hauv kev, tab sis nws yuav ua haujlwm.

Kauj Ruam 6: Muab Lub Circuit Court Ua Ke

Hauv daim duab kab duab, cov xim liab yog thawj nrog ib qho kawg txuas rau qhov zoo "+" ntawm lub hwj chim/roj teeb, lwm qhov kawg txuas rau lub transistors tus neeg khaws khoom uas yog qhov ua tau hlau hlau ntawm lub transistor nws tus kheej yog T0- 3 xws li MJ15003 transistor tau siv. Cov kauj ntsuab yog cov lus tawm tswv yim nrog ib kawg txuas mus rau qhov nruab nrab ntawm ob lub resistors, thiab lwm qhov rau lub hauv paus ntawm transistor (saib ntawm MJ15003 hauv qab no yog tus pin ntawm sab laug).

Kauj Ruam 7: Ua kom lub Circuit Court

Txhawm rau ua kom lub zog hluav taws xob Kuv pom zoo lub zog siv hluav taws xob uas tuaj yeem muab qhov tsawg kawg ntawm 2 amps, qis dua feem ntau yuav ua haujlwm tab sis yuav txwv qhov tso tawm.

Ntxiv ntau dua ntawm ob txoj hlua los txhawm rau nce lub zog, (tsis zoo li qhov kuv tau nyeem hauv online), qhov no ua rau kev ua haujlwm qis dua thiab tso cai rau ntau dua tam sim no kom nce mus. Tus naj npawb ntawm kev sib hloov muab daim ntawv rudimentary ntawm kev txwv tam sim no nrog rau sab saum toj resistor (tiv taus siab dua = tsawg dua tam sim no thiab tsawg zog arc).

Lub rooj zaum siv hluav taws xob Tus kheej piav qhia tiag tiag, yog tias qhov txwv tam sim no tau teeb tsa qis dhau hauv Circuit Court yuav ua tsis tau oscillate.

Wall Wart/charger Koj tuaj yeem siv cov no, tab sis nco ntsoov ntawm lawv qhov hluav taws xob thiab kev ntsuas tam sim no. Qhov hloov pauv ntau yam yuav zoo li mus rau hauv tus kheej txwv/kaw yog tias qhov ntsuas tam sim no siab tshaj.

Salvaged transformer Ua qhov no kuv tus kheej rau kuv 12v tus tsav tsheb, 48VA hloov pauv uas tso tawm 9v AC yuav muab kwv yees li 12v DC 3 amps thaum kho thiab du. 4700uF 25v capacitor yuav muab ntau kom du, Kuv yuav mus nrog 50v 4 amp choj rectifier diodes yam tsawg kawg nkaus.

Lithium cells hauv series yog qhov zoo vim tias lawv tuaj yeem muab ntau qhov tam sim no.

Laum cov roj teeb tau zoo, feem ntau yog 18v yog li siv 18v Circuit. AA cov roj teeb hauv kab ntawv tau zoo, cov arcs yuav maj mam dhau los ua me dua thiab me dua thaum lawv ploj mus. AA xov tooj ntawm tes tau txiav txim siab siv thaum nws poob qis dua 0.9v ntawm kev so, tab sis ntau tus tseem tuaj yeem siv zog lwm qhov txawm tias thaum lawv tsis muaj peev xwm muab cov kua txiv rau hauv Circuit no lawm. Lub roj teeb ua kua qaub 12v yog txoj hauv kev zoo rau lub zog hluav taws xob no.

12v tsheb roj teeb pom saum toj no.

6v lub teeb roj teeb yuav ua kom lub voj voog no ntev mus ua ntej cov kab pib pib me me. Cov no tsis yog ib txwm muaj niaj hnub no thiab zoo nkauj heev, tsis txhob nkim koj cov nyiaj yog tias muaj cov kev xaiv pheej yig dua!

AAA roj teeb yuav ua haujlwm ib ntus tab sis yuav tsis nyob ntev li cov AA loj dua, lawv kuj muaj kev tiv thaiv sab hauv siab dua yog li yuav nkim lub zog ntau dua li roj teeb kub.

Cov roj teeb 9v/PP3 yuav muab ob peb feeb ua si thaum tshiab ua ntej cov arcs ua me me thiab cov Circuit tsis ua haujlwm. Tus tiv thaiv sab saud tej zaum yuav xav tau nyob ib puag ncig 180 ohms rau 9v, tab sis kuv tsis tau ua 9v tus neeg tsav tsheb schematic vim nws yuav zaum ua rau tib neeg siv 9v PP3 roj teeb thiab poob siab.

Kauj Ruam 8: Kev Nyab Xeeb Ua Ntej

Thaum kos cov duab … Kuv xav txhawb koj kom ua "tus pas qaib" uas yog ib qho rwb thaiv tsev uas koj txuas ib qho ntawm cov xov hluav taws xob siab los kos cov kab, nws muaj kev nyab xeeb ntau dua li tuav cov xov hluav taws xob siab hauv koj txhais tes. PVC yeeb nkab zoo heev rau qhov no, ntoo zoo heev ntev li nws qhuav.

Cov lus ceeb toom txaus ntshai suav nrog qhov pom tseeb tias yuav raug hluav taws xob lwm yam kom nco ntsoov yog lub arc kub heev thiab tuaj yeem hlawv tau yooj yim lossis teeb rau txhua yam uas nws kov. Txawm tias cov rwb thaiv kab hluav taws xob yuav hlawv yog tias koj kos lub arc rau nws. Yog tias koj hais kom hlawv daim ntawv lossis lwm yam khoom tom qab ntawd coj mus rau hauv tus account thiab muaj qee txoj hauv kev tso hluav taws tawm.

• Tsis txhob kov cov xov hluav taws xob siab lossis lub flyback thaum lub Circuit Court khiav.
• Xyuas kom koj tuaj yeem yooj yim txiav lub zog rau hauv Circuit.
• Tsis txhob siv qhov Circuit Court no rau ntawm qhov tsis tsim nyog xws li cov hlau liab qab lossis cov nplaim taws yooj yim.
• Lub tshuab hluav taws xob cua sov tuaj yeem ua kom sov, saib xyuas kom tsis txhob hlawv koj tus kheej.
• 22 ohm resistor yuav kub.
• Thawj kauj thiab cov khoom siv transistor tuaj yeem hu rau ob peb puas volts, tsis txhob kov cov no ib yam.
• Khaws cov xov hluav taws xob siab kom deb ntawm lwm qhov hauv Circuit Court.
• Khaws cov tsiaj kom deb. Ib yam li qhov kev pheej hmoo ua rau koj tus tsiaj poob siab los ntawm lub txim taws ntau tus tsiaj nyiam zom khoom xws li cov xov hlau, lub suab nrov nrov tuaj yeem ua rau cov tsiaj ntxhov siab heev txawm tias koj tsis hnov nws.

Kev tsis lees paub Kuv tsis muaj lub luag haujlwm yog tias koj cuam tshuam lossis ua phem rau koj tus kheej lossis lwm tus nrog rau qhov xwm txheej no.

Kauj Ruam 9: Nrhiav Qhov Siab Tshaj Tawm Rov Qab Pin

Txhawm rau nrhiav qhov hluav taws xob siab rov qab ua ntej txuas koj tus qaib lo rau qhov hluav taws xob siab tawm (cov kab liab liab tuab loj), tom qab ntawd tig lub Circuit Court. Koj yuav tsum hnov lub suab nrov nrov, yog tias koj tsis hnov lub suab nrov no ces mus rau nplooj ntawv teeb meem. Nqa cov nqaij qaib los ze rau cov pins hauv qab ntawm daim flyback thiab mus dhau txhua tus zuj zus. Qee tus ntawm lawv yuav muab lub txim me ntsis tab sis ib qho yuav tsum muab cov khoom ruaj khov HV arc, qhov no yuav yog koj tus pin rov qab HV. Tam sim no koj yuav tsum txuas koj cov nqaij qaib tawm ntawm HV tawm thiab txuas nws mus rau HV rov qab tus pin xwb, ceev faj tsis txhob yank tus pin rov qab nyuaj heev vim nws tuaj yeem tawm.

Kauj ruam 10: Teeb meem

Teeb meem?

Yog tias tsis muaj qhov hluav taws xob siab ces sim thim rov qab txuas mus rau ib qho ntawm cov coils

Yog tias muaj qhov hluav taws xob siab tab sis lub arc me me sim thim rov qab ob qho tib si thawj zaug thiab cov lus tawm tswv yim txuas

Xyuas kom txhua qhov kev sib txuas muaj kev nyab xeeb thiab tsis muaj dab tsi luv. Cov xaim hluav taws xob muaj npe tsis zoo rau kev sib txuas tsis zoo, siv tsis tau ib txwm tsoo los ntawm cov hniav txha hniav laus yog li koj yuav tsum tau txais qhov nruab nrab ntawm nws

Txheeb lub hauv paus thiab cov ceg tawm ntawm lub transistor tsis kov lub rhaub dej kub

Nws ua haujlwm tab sis cov arcs me me thiab tsis muaj zog. Txheeb xyuas lub zog hluav taws xob tsis poob qis hauv kev thauj los ntawm kev ntsuas nws nrog DC voltmeter thaum kos duab

Circuit pulses qhib thiab tawm. Qhov no yog tshwm sim los ntawm lub hwj chim nkag mus rau kev tiv thaiv, yog tias qhov siab tshaj plaws ntawm lub zog hluav taws xob ntsuas tam sim no tsis dhau, tom qab ntawd lub tshuab hluav taws xob hluav taws xob ntawm ob peb puas uF hla txoj kab xa khoom tuaj yeem pab tau

Nws ua haujlwm tab sis lub transistor tau kub heev. Fiddle nrog tus naj npawb ntawm tig ntawm cov coils, txo cov lus tawm tswv yim suav ua ntej

22 ohm resistor tau kub, qhov no yog qhov ib txwm muaj. Nws yog kuv tus tsav tsheb 12v nws dissipates 2w, tab sis qhov ntawd txaus kom tau txais me ntsis resistors kub dhau los kov. Yog tias koj tsis xis nyob nrog cov khoom ua haujlwm kub dhau los kov ces ua rau cov cua sov ntau ntxiv (hloov mus rau qhov siab dua wattage resistor)

Ua txhaum cov tub ntxhais? Kuaj nws rov qab ua ke, ua kom cov mating nto nrog dej ua ntej yuav pab qee yam ntawm cov kua nplaum kom lo

Kauj ruam 11: Mus Ntxiv

Koj tuaj yeem ntsuas qhov ntsuas hluav taws xob siab tshaj plaws hla lub transistor nrog txoj hauv kev qhia hauv daim duab, nws yog ib qho tseem ceeb kom ua kom lub zog nce mus rau qhov tso tawm hluav taws xob qis dua qhov ntsuas siab tshaj plaws ntawm transistor nyob hauv thaj chaw ua haujlwm nyab xeeb (li 80v ntawm 3 amps rau MJ15003) yog.

Ib lub transistor yuav tshwm sim rau clamp qhov siab tshaj qhov hluav taws xob ib ntus tab sis qhov no sai sai ua rau qhov ua tsis tiav ntawm ib feem.

PNP transistors tuaj yeem siv los ntawm tig ob peb yam nyob ib puag ncig.

Kev thaij duab ntev tuaj yeem siv tau kom tau txais cov qauv tso tawm.

Sim ua tus jacob tus ntaiv los ntawm kev tso ob txoj hlua ruaj khov zoo li cov tooj liab tuab hauv cov duab V ntsug, cov ntawv txuas ntawm qhov ze tshaj plaws nyob ze rau hauv qab thiab nce ntawm nws ua kom cua sov.

HV lub tshuab hluav taws xob kuj tseem txaus siab, koj tuaj yeem ua ib qho los ntawm ob daim ntawm cov ntawv ci hauv chav ua noj ntawm txhua sab ntawm cov rwb thaiv tsev xws li lub hau yas ntim lub hau thiab khiav ob lub xov hlau rau txhua daim ntawv. Tam sim no txuas ib lub phaj rau HV tawm thiab lwm qhov rau HV rov qab los, cov arcs yuav tig mus ua suab nrov nrov nrov! Tsis txhob kov nws li nws mob heev.