Coilgun SGP33 - Kev Sib Tham Tag Nrho thiab Cov Lus Qhia Kuaj: 12 Cov Kauj Ruam

2024 Tus sau: John Day | [email protected]. Kawg hloov kho: 2024-01-30 09:27

Qhov kev qhia no piav qhia yuav ua li cas sib sau cov khoom siv hluav taws xob ntawm cov phom phom uas pom hauv daim vis dis aus no:

SGP-33 sib dhos Youtube

Kuj tseem muaj cov vis dis aus uas koj pom nws ua hauv nplooj ntawv kawg ntawm qhov kev qhia no. Nov yog qhov txuas.

Cov PCBs rau qhov kev qhia no uas ua siab zoo muab los ntawm JLCPCB. COM

Lub hom phiaj yog tsim kom muaj ib rab phom phom sij uas yog lub teeb yuag, muaj kev ua haujlwm zoo thiab siv cov khoom siv feem ntau rau tus nqi tsim nyog.

Nta:

- Ib theem, txhaj ib zaug

- Kev hloov kho kom ua kom dav dav dav

- IGBT- tsav kauj

- Ib leeg 1000uF/550V capacitor

- Tshaj siab tshaj plaws tau txais 36m/s, yuav zoo heev nyob ntawm cov kauj thiab cov phiaj xwm thiab cov duab geometry

- Lub sijhawm them thawj zaug txog 8s, lub sijhawm them rov qab yog nyob ntawm lub sijhawm tso tawm, hauv cov yeeb yaj kiab piv txwv nws yog 5s

Tus nqi tag nrho rau cov khoom siv hluav taws xob tsuas yog kwv yees li $ 140 Asmeskas, tsis suav nrog cov tooj liab hlau/ thoob rau cov kauj.

Hauv qhov kev qhia no kuv tsuas yog piav qhia yuav ua li cas sib dhos PCB.

Kuv tseem yuav muab tag nrho lwm cov ntaub ntawv kom tau txais txiaj ntsig tshaj plaws ntawm qhov kev sib tham no yam tsis tau tshuab nws.

Kuv yuav tsis muab cov ncauj lus ntxaws ntxaws ntawm cov khoom siv sib dhos, raws li kuv xav tias nws tuaj yeem txhim kho / hloov kho. Koj yuav tsum siv koj lub tswv yim rau qhov ntawd.

Kauj ruam 1: Ceeb toom

CEEV FAJ:

Nco ntsoov koj nyeem thiab nkag siab ntu no!

Lub Circuit Court tsub tus capacitor txog li 525V. Yog tias koj kov lub davhlau ya nyob twg ntawm lub tshuab hluav taws xob nrog koj txhais tes liab qab koj tuaj yeem ua rau koj tus kheej raug mob. Tsis tas li (qhov no tsis txaus ntshai tab sis yuav tsum tau hais txog), qhov siab tam sim no lawv tuaj yeem muab tau tuaj yeem tsim cov txim taws thiab tuaj yeem ua kom cov xov hlau nyias. Yog li ntawd ib txwm hnav qhov muag tiv thaiv!

Cov tsom iav kev nyab xeeb yog qhov yuav tsum muaj

Lub capacitor khaws cov nqi txawm tias tom qab lub ntsiab hloov pauv. Nws yuav tsum tau tso tawm ua ntej ua haujlwm ntawm Circuit !!!

Qhov thib ob, peb yuav siv lub zog muaj nyob hauv lub capacitor thiab hloov pauv mus rau lub zog hluav taws xob ntawm qhov projectile. Txawm hais tias qhov nrawm ntawm qhov projectile no qis, nws tseem tuaj yeem ua rau koj (lossis lwm tus), yog li siv tib txoj cai kev nyab xeeb ib yam li thaum ua haujlwm nrog cov cuab yeej siv zog lossis ua lwm yam haujlwm ua haujlwm.

Yog li TSIS TXHOB taw tes qhov no ntawm tus neeg thaum nws tau thauj khoom thiab them, siv kev nkag siab zoo.

Kauj Ruam 2: Cov Cuab Yeej thiab Qhov Chaw Ua Haujlwm Xav Tau

Cov txuj ci xav tau:

Yog tias koj tshiab tshiab rau hluav taws xob ces txoj haujlwm no tsis yog rau koj. Cov txuj ci hauv qab no xav tau:

- Muaj peev xwm ua kom cov cuab yeej sib tsoo saum npoo av suav nrog ICs, capacitors thiab resistors

- Muaj peev xwm siv lub multimeter

Cov cuab yeej xav tau (yam tsawg kawg nkaus):

- Cov lus qhia zoo / cov lus qhia ntxaws hlau loj

- Cov hlau xaim

- Ua kua Flux lossis cwj mem flux

- Desoldering braid

- Lub iav tsom iav los tshuaj xyuas cov pob qij txha txuas lossis lub tshuab tsom iav

- Zoo tweezers

- Multimeter los ntsuas DC-txuas qhov hluav taws xob (525VDC)

Cov cuab yeej pom zoo (xaiv tau)

- Lub zog hloov kho tau

- Oscilloscope

- Cov cua kub desoldering chaw nres tsheb

Kev npaj ntawm chaw ua haujlwm thiab cov lus qhia ua haujlwm dav dav:

- Siv lub rooj huv, zoo dua tsis yog yas (kom tsis txhob muaj teeb meem nrog tus nqi zoo li qub)

- Tsis txhob siv cov khaub ncaws uas yooj yim tsim / tsub nqi, (qhov ntawd yog qhov tsim kom muaj txim taws thaum koj tshem nws)

- Txij li ze li tsis muaj leej twg muaj ESD chaw ua haujlwm nyab xeeb nyob hauv tsev Kuv pom zoo ua lub rooj sib txoos hauv ib qib, piv txwv li tsis txhob nqa ib puag ncig cov khoom tsim nyog (txhua lub semiconductors thaum koj coj lawv tawm ntawm lub ntim). Muab txhua yam khoom siv tso rau ntawm lub rooj ces pib.

- Qee cov khoom me me zoo nkauj, zoo li cov neeg tawm tsam thiab cov khoom siv hauv 0603 pob, lawv tuaj yeem poob tau yooj yim, tsuas yog siv ib zaug ntawm lawv lub ntim

- Tus them IC hauv pob TSSOP20 yog qhov nyuaj tshaj plaws uas yuav tsum tau muab muag, nws muaj lub suab 0.65mm (nrug nruab nrab ntawm tus pin) uas tseem nyob deb ntawm qhov kev lag luam me tshaj plaws tab sis nws tuaj yeem nyuaj rau qee tus neeg tsis paub dhau los. Yog tias koj tsis paub tseeb tias kuv yuav qhia koj qhia kev cob qhia ua ntej ntawm lwm yam es tsis txhob txhuam koj cov PCB

Ib zaug ntxiv, tag nrho cov txheej txheem sib dhos PCB tau pom hauv cov vis dis aus tau hais hauv thawj nplooj ntawv ntawm qhov kev qhia no

Kauj Ruam 3: Daim duab

Hauv ntu no kuv yuav muab cov lus qhia ntxaws txog ntawm Circuit. Nyeem nws kom zoo, qhov no yuav pab koj kom zam kev puas tsuaj rau lub rooj tsavxwm uas koj nyuam qhuav sib dhos.

Sab laug lub roj teeb yuav txuas nrog. Nco ntsoov tias nws qis dua 8V nyob rau txhua qhov xwm txheej lossis lub xov tooj hluav taws xob tuaj yeem puas!

Cov roj teeb uas kuv siv yog 3.7V tab sis yuav muaj qhov hluav taws xob siab dua 4V thaum nyob hauv lub teeb hnyav heev, lawv thiaj li muab qhov hluav taws xob siab dua 8V rau lub charger ua ntej nws pib. Tsis tau txais kev pheej hmoo, muaj ob lub schottky diodes hauv kab nrog roj teeb kom poob qhov hluav taws xob qis dua 8V. Lawv kuj ua haujlwm tiv thaiv cov roj teeb rov qab. Kuj siv fuse ntawm 3 txog 5A hauv koob, qhov no tuaj yeem yog qhov hluav taws xob qis hluav taws xob zoo li cov uas siv hauv tsheb. Txhawm rau zam kev tso roj teeb thaum lub phom tsis siv, Kuv pom zoo txuas lub hwj huam tseem ceeb hloov.

Lub roj teeb hluav taws xob ntawm PCB lub davhlau ya nyob twg yuav tsum nyob nruab nrab ntawm 5V thiab 8V txhua lub sijhawm rau kev ua haujlwm kom raug.

Kev tswj hwm ntu muaj kev tiv thaiv qis qis thiab 3 lub sijhawm sib tw. Timer IC U11 nrog LED1 ntsais muag qhia tias qhov hais kom tig rau lub charger them nqi hluav taws xob tau ua haujlwm. Timer IC U10 txiav txim siab qhov tso zis mem tes dav. Lub plawv dhia dav tuaj yeem hloov kho nrog potentiometer R36. Nrog R8 thiab C4/C6 qhov tseem ceeb raws li BOM qhov ntau yog: 510us txog 2.7ms. Yog tias koj xav tau cov mem tes dav ntawm qhov no cov txiaj ntsig no tuaj yeem hloov kho raws li koj xav tau.

Jumper J1 tuaj yeem qhib rau kev sim thawj zaug. Cov lus txib kom ua kom lub charger them nyiaj mus dhau lub jumper (qhov laj thawj zoo, piv txwv li 0V = tus neeg xiam oob khab them tsis taus; VBAT = them nyiaj tau qhib).

Sab nruab nrab sab saud muaj cov kab hluav taws xob them hluav taws xob. Qhov hloov pauv siab tshaj qhov txwv tam sim no yog 10A, qhov tam sim no tau teeb tsa nrog qhov kev nkag siab tam sim no R21 thiab yuav tsum tsis txhob nce lossis koj yuav muaj kev pheej hmoo txaus rau cov tub ntxhais hloov pauv. 10A qhov siab ua rau me ntsis dhau 3A qhov nruab nrab tam sim no los ntawm lub roj teeb uas zoo rau cov roj teeb uas kuv tau siv. Yog tias koj xav siv lwm lub roj teeb uas tsis tuaj yeem muab tam sim no koj yuav xav tau nce tus nqi ntawm tus tiv thaiv R21. (nce tus nqi ntawm resistor R21 kom txo qis kev hloov pauv tam sim no thiab yog li qhov nruab nrab tam sim no los ntawm roj teeb)

Lub ntsiab hluav taws xob lub zog hluav taws xob loj yog ntsuas nrog tus sib piv. Nws ua haujlwm rau LED2 thaum qhov hluav taws xob siab dua li 500V thiab ua rau lub roj teeb tsis ua haujlwm thaum qhov hluav taws xob siab dua 550V hauv qhov xwm txheej overvoltage (qhov tseeb yuav tsum tsis txhob tshwm sim).

TSIS TXHOB HLOOV CHARGER NROG QHOV CHAW UA HAUJ LWM HAUJ LWM NTAWV Txuas nrog Lub Caij Nyoog. Qhov no yuav ua rau lub charger IC puas.

Qhov kawg Circuit Court yog tus choj txuas uas tawm lub capacitor los ntawm ob IGBTs rau hauv lub load / kauj.

Kauj Ruam 4: Kev Tshuaj Xyuas PCB

Ua ntej tshuaj xyuas PCB rau txhua yam tsis txawv txav. Lawv tuaj kuaj xyuas thiab ntsuas hluav taws xob los ntawm lub khw tab sis nws ib txwm yog lub tswv yim zoo los tshuaj xyuas ob zaug ua ntej sib dhos. Kuv yeej tsis muaj teeb meem nws tsuas yog tus cwj pwm.

Koj tuaj yeem rub cov ntaub ntawv Gerber ntawm no:

xa lawv mus rau PCB chaw tsim khoom zoo li OSHPARK. COM lossis JLCPCB. COM lossis lwm yam.

Kauj ruam 5: Sib dhos

Rub tawm Excel BOM cov ntaub ntawv thiab ob daim ntawv pdf rau qhov chaw nyob

Ua ntej sib sau ua ke PCB me uas tuav lub tshuab hluav taws xob loj electrolytic. Ua tib zoo saib kom raug qhov tseeb!

Lub 90 degree lub taub hau uas yuav txuas rau PCB no mus rau lub PCB tseem ceeb tuaj yeem ntsia tau rau sab saum toj lossis hauv qab nyob ntawm koj lub tshuab sib dhos.

TSIS TXHOB muab cov taub hau tso rau hauv PCB tseem ceeb, lawv nyuaj rau tshem tawm. Txuas ob lub xov hlau luv dua li AWG20 ntawm ob lub PCBs.

Ntawm lub PCB tseem ceeb sib sau ua ntej lub charger IC uas yog qhov nyuaj tshaj plaws yog tias koj tsis tau siv nws. Tom qab ntawd sau cov khoom me me. Peb yuav xub nruab txhua lub capacitors thiab resistors. Txoj hauv kev yooj yim tshaj plaws yog muab cov tshuaj txhuam me ntsis tso rau ntawm ib lub ncoo, tom qab ntawd muab cov khoom sib txuas ua ke nrog kev pab ntawm tus tweezers ntawm lub ncoo no ua ntej. Nws tsis muaj teeb meem li cas cov khoom sib txuas zoo li ntawm qhov no, qhov no tsuas yog kho nws qhov chaw.

Tom qab ntawd muab lwm daim ntaub qhwv. Tam sim no siv cov kua flux lossis tus cwj mem flux ntawm qhov tsis zoo-zoo-saib cov hlua txuas thiab rov ua qhov sib koom tes. Siv cov piv txwv hauv daim vis dis aus los siv raws li yuav ua li cas thiaj li tsim tau cov khoom sib koom ua ke zoo li.

Tam sim no txav mus rau ICs. Txhim kho ib lub davhlau ya nyob twg ntawm PCB siv cov txheej txheem hais los saum no. Tom qab ntawd txhuam tag nrho lwm cov pins ib yam.

Tom ntej no peb yuav teeb tsa cov khoom loj xws li cov khoom siv hluav taws xob thiab cov yeeb yaj kiab, trimpot, LEDs, Mosfets, diodes, IGBTs thiab hloov pauv ntawm lub charger them hluav taws xob.

Txheeb ob zaug txhawm rau txhuam cov pob qij txha, xyuas kom tsis muaj cov khoom tawg lossis tawg thiab lwm yam.

Kauj ruam 6: Pib-up

Ceev faj: Tsis pub tshaj 8V qhov hluav taws xob

Yog tias koj muaj oscilloscope:

Txuas lub laub khawm (ib txwm qhib) rau cov khoom siv SW1 thiab SW2.

Txheeb xyuas tias jumper J1 tau qhib. Qhov zoo tshaj plaws txuas lub khoos phis tawj lub rooj zaum kho kom haum rau lub roj teeb nkag. Yog tias koj tsis muaj lub rooj zaum hloov pauv tau lub hwj chim koj yuav tsum ncaj qha nrog roj teeb. LED 1 yuav tsum ntsais muag sai li sai tau qhov hluav taws xob nkag siab ntau dua li 5.6V. Cov hluav taws xob qis qis muaj qhov loj hysteresis, piv txwv li tig lub Circuit Court thaum pib ntawm qhov hluav taws xob xav tau siab dua 5.6V tab sis nws tsuas yog tua lub Circuit Court thaum cov hluav taws xob nkag qis qis dua 4.9V. Rau cov roj teeb uas siv hauv qhov piv txwv no qhov no tsis muaj qhov tshwj xeeb tab sis yuav muaj txiaj ntsig yog tias ua haujlwm nrog cov roj teeb uas muaj kev tiv thaiv sab hauv siab dua thiab/lossis raug tshem tawm ib nrab.

Ntsuas lub ntsiab hluav taws xob loj lub zog hluav taws xob nrog lub ntsuas hluav taws xob tsim nyog, nws yuav tsum nyob twj ywm 0V vim tias lub roj teeb xav tias yuav tsum tsis ua haujlwm.

Nrog oscilloscope, ntsuas qhov dav ntawm mem tes ntawm tus pin 3 ntawm U10 thaum nias lub laub-khawm. Nws yuav tsum tau kho nrog trimpot R36 thiab sib txawv ntawm kwv yees li 0.5ms thiab 2.7ms. Muaj qhov ncua sijhawm txog 5s ua ntej lub plawv dhia tuaj yeem rov pib dua tom qab txhua lub pob nyem.

Mus rau kauj ruam… ntsuas qhov ntsuas hluav taws xob tag nrho

yog tias koj tsis muaj oscilloscope:

Ua tib cov kauj ruam saum toj no tab sis hla qhov ntsuas qhov dav ntawm lub plawv, tsis muaj ib yam dab tsi los ntsuas nrog lub multimeter.

Mus rau… kev ntsuas hluav taws xob tag nrho

Kauj Ruam 7: Xeem Voltage Test

Tshem tawm qhov hluav taws xob tawm.

Kaw Jumper J1.

Txheeb ob zaug kom raug qhov tseeb ntawm lub zog hluav taws xob siab!

Txuas cov ntsuas ntsuas ntsuas rau qhov xav tau qhov hluav taws xob (> 525V) mus rau qhov hluav taws xob qhov hluav taws xob qhov hluav taws xob.

Txuas qhov ntsuas qhov ntsuas mus rau lub davhlau ya nyob twg Coil1 thiab Coil2. Qhov qis tshaj inductance/tiv taus kauj kuv tau siv nrog lub voj voog no yog AWG20 500uH/0.5 Ohm. Hauv video kuv siv 1mH 1R.

Nco ntsoov tias tsis muaj cov khoom siv ferromagnetic nyob ze lossis sab hauv lub kauj.

Hnav tsom iav kev nyab xeeb

Siv cov roj teeb hluav taws xob rau cov khoom siv hluav taws xob.

Lub charger yuav tsum pib thiab DC voltage ntawm lub capacitor yuav tsum nce sai.

Nws yuav tsum ruaj khov li ntawm 520V. Yog tias nws tshaj 550V thiab tseem nce mus, tua qhov hluav taws xob tam sim ntawd, qee yam yuav tsis raug nrog cov lus tawm tswv yim ntawm lub charger IC. Hauv qhov no koj yuav tsum rov tshuaj xyuas tag nrho cov pob qij txha txuas thiab kho kom raug ntawm txhua yam khoom siv.

Tam sim no LED2 yuav tsum tau taws teeb qhia tias lub peev xwm tseem ceeb tau them tag nrho.

Nias lub pob khawm, qhov hluav taws xob yuav tsum poob ob peb puas volts, tus nqi pes tsawg yuav nyob ntawm qhov hloov pauv mem tes dav.

Tua qhov input voltage.

Ua ntej tuav PCBs, lub tshuab hluav taws xob yuav tsum tau tso tawm

Qhov no tuaj yeem ua tiav los ntawm kev tos kom txog thaum qhov hluav taws xob poob rau tus nqi nyab xeeb (siv sijhawm ntev) lossis los ntawm kev tso nws nrog lub zog tiv thaiv. Ob peb lub teeb pom kev zoo nyob rau hauv kab ntawv kuj tseem yuav ua haujlwm, tus naj npawb ntawm lub teeb xav tau yuav nyob ntawm lawv qhov ntsuas hluav taws xob, ob rau peb rau 220V teeb, plaub txog tsib rau 120V teeb

Tshem cov xov hlau los ntawm lub capacitor PCB. Txhawm rau ua kom tiav cov qauv, tam sim no tus capacitor tuaj yeem tam sim no (lossis tom qab) raug ncaj qha mus rau lub rooj tsav xwm loj nyob ntawm cov txheej txheem sib dhos khoom siv. Tus qauv ntsuas hluav taws xob nyuaj rau tshem tawm ntawm lub ntsiab PCB, npaj raws li.

Kauj ruam 8: Neeg kho tshuab

Mechanical mounting txiav txim siab

Lub PCB tseem ceeb muaj 6 qhov kev txiav tawm los txhawm rau txhawb nws. Muaj cov tooj liab ntau dua lossis tsawg dua nyob ze cov kab no. Thaum txhim kho PCB kev saib xyuas yuav tsum tau ua kom tsis txhob luv cov kab no rau cov ntsia hlau. Yog li cov yas spacers thiab cov tshuab ntxhua khaub ncaws yuav tsum tau siv. Kuv siv cov khoom seem hlau, txhuas U-profile ua vaj tsev. Yog tias siv cov hlau txhawb, nws yuav tsum tau muab tsaws, piv txwv li txuas nrog xaim mus rau qhov rho tawm tus ncej ntawm lub roj teeb. Cov khoom siv tau yooj yim (ntu uas tuaj yeem kov tau) yog lub ntsuas hluav taws xob thiab lub roj teeb, lawv qhov ntsuas hluav taws xob nyob ze rau hauv av. Yog tias muaj qhov hluav taws xob siab ntawm qhov yuav los sib cuag nrog cov hlau nyob hauv tsev nws yuav luv mus rau hauv av thiab tus neeg siv muaj kev nyab xeeb. Nyob ntawm qhov hnyav ntawm lub tsev thiab cov kauj hauv tag nrho chav tuaj yeem ua rau pem hauv ntej-hnyav yog li tuav yuav tsum tau teeb tsa kom haum.

Cov tsev nyob kuj tseem tuaj yeem ua tau zoo dua, 3D luam tawm, pleev xim rau lwm yam, uas yog nyob ntawm koj.

Kauj Ruam 9: Txoj Kev Xav

Txoj haujlwm ua haujlwm yog yooj yim heev.

Ob lub IGBTs tau qhib ua haujlwm tib lub sijhawm rau ob peb puas peb mus rau ob peb ms nyob ntawm kev teeb tsa/kev hloov kho ntawm cov oscillator monostable U10. Tam sim no ces pib tsim los ntawm cov kauj. Tam sim no sib raug rau lub zog sib nqus thiab lub zog sib nqus lub zog rau lub zog ua haujlwm ntawm qhov projectile hauv cov kauj. Qhov projectile pib txav qeeb thiab tsuas yog ua ntej nws qhov nruab nrab mus txog nruab nrab ntawm cov kauj IGBTs raug kaw. Tam sim no sab hauv lub kauj tsis tso tseg tam sim tab sis tam sim no ntws los ntawm diodes thiab rov qab mus rau hauv lub capacitor tseem ceeb rau qee lub sijhawm. Thaum qhov kev puas tsuaj tam sim no tseem muaj qhov chaw sib nqus hauv lub kauj, yog li qhov no yuav tsum poob mus rau ze xoom ua ntej nruab nrab ntawm qhov projectile mus txog nruab nrab ntawm cov kauj txwv tsis li yuav tawg lub zog yuav ua rau nws. Cov txiaj ntsig ntawm lub ntiaj teb tiag tiag sib haum rau qhov simulation. Qhov kawg tam sim no ua ntej tig lub plawv dhia yog 367A (tam sim no soj ntsuam 1000A/4V)

Kauj Ruam 10: Kev Txhim Kho Chev

Qhov nrawm ntawm 36m/s tau txais nrog cov kauj hauv qab no: 500uH, AWG20, 0.5R, 22mm ntev, 8mm sab hauv txoj kab uas hla. Siv lub raj uas muaj qhov sib txawv me tshaj plaws ntawm cov phab ntsa sab hauv thiab qhov projectile thiab tseem tso cai pub dawb txav ntawm qhov projectile. Nws kuj yuav tsum muaj cov phab ntsa thinnest tau thaum ua nruj heev. Kuv siv lub raj hlau tsis xeb thiab tsis pom muaj qhov cuam tshuam tsis zoo. Yog tias siv lub raj siv hluav taws xob kom paub tseeb tias yuav tsum tau insulate nws nrog daim kab xev tsim nyog (Kuv tau siv Kapton daim kab xev) ua ntej winding nws. Koj yuav xav tau ntxiv ib ntu ntxiv ib ntus ntxiv thaum lub caij winding, vim tias muaj zog sab txaus tsim thaum lub sijhawm txheej txheem winding. Kuv yuav pom zoo los kho/tiv thaiv cov hlua nrog epoxy. Qhov no yuav pab tiv thaiv cov hlua ntawm qhov puas thaum tuav/sib dhos cov kauj. Kev sib dhos ua ke tag nrho yuav tsum tau ua nyob rau hauv txoj hauv kev uas cov cua tsis tuaj yeem txav tau. Koj kuj tseem xav tau qee yam kev txhawb nqa los txhim kho nws ntawm lub tsev loj.

Kauj Ruam 11: Muaj peev xwm hloov pauv thiab txwv ntawm Circuit

Lub capacitor them rau 522V muaj 136 Joules. Qhov ua tau zoo ntawm qhov kev sib tw no yog qhov zoo nkauj, nrog rau qhov yooj yim tshaj plaws ib theem tsim qauv uas ua kom cov khoom sib nqus ferromagnetic. Qhov siab tshaj plaws tau txwv los ntawm qhov siab tshaj plaws tso cai tso hluav taws xob ntawm 550VDC thiab qhov siab tshaj VCE ntawm IGBTs. Lwm cov duab geometries thiab qis qis inductance/tsis muaj nuj nqis tuaj yeem ua rau nrawm dua/ua tau zoo. Qhov siab tshaj plaws tau teev tseg tam sim no rau IGBT no yog 600A txawm hais tias. Muaj lwm yam IGBTs ntawm qhov loj me uas tuaj yeem tuaj yeem txhawb nqa qhov nce siab tam sim no. Txawm li cas los xij, yog tias koj xav txog kom muaj peev xwm loj dua lossis IGBT qhov loj me kom ntseeg tau tias koj xav txog cov teeb meem tseem ceeb hauv qab no: Ua raws li qhov siab tshaj tam sim no tau teev tseg hauv IGBT cov ntawv teev npe. Kuv tsis pom zoo kom nce lub charger hluav taws xob, ntau qhov hloov pauv yuav tsum tau txiav txim siab. Ua kom muaj peev xwm ntau ntxiv thiab siv lub plawv dhia dav dua rau cov coils loj tseem yuav ua rau lub zog hluav taws xob tawg ntawm IGBTs. Yog li ntawd lawv yuav xav tau lub rhaub dej kub. Kuv pom zoo sim ua qhov hloov pauv hloov ua ntej hauv SPICE /Multisim lossis lwm yam software simulation los txiav txim seb qhov ncov tam sim no yuav yog dab tsi.

Hmoov zoo!

Kauj Ruam 12: Coil Gun in Action

Tsuas yog muaj kev lom zem tua ntawm cov khoom random …