Hauv tsab xov xwm no peb yuav saib cov ntsiab lus hluav taws xob ntawm cov khoom siv xws li, lub hauv paus ntsiab lus ntawm kev ua haujlwm thiab kev teeb tsa. Txog tam sim no, kuv tau hla cov lus piav qhia ntawm cov khoom lag luam tiav, zoo nkauj heev, thiab tsis pheej yig heev. Nyob rau hauv txhua rooj plaub, nrog rau kev tshawb nrhiav ceev, tus nqi pib ntawm kaum txhiab rubles. Kuv muab cov lus piav qhia ntawm cov khoom siv Suav rau kev sib dhos rau tus kheej rau 1.5 txhiab.
Ua ntej ntawm tag nrho cov, nws yog ib qho tsim nyog yuav tsum tau qhia meej txog qhov tseeb uas yuav tau tham txog. Muaj ntau yam sib nqus levitators, thiab ntau yam kev siv tshwj xeeb yog amazing. Cov kev xaiv zoo li no, thaum cov hlau nplaum tas mus li, vim muaj cov qauv tsim, nyob nrog zoo li cov ncej sib ntsib, tsis muaj kev txaus siab rau leej twg hnub no, tab sis muaj ntau txoj kev xaiv cunning. Piv txwv li no:
Lub hauv paus ntsiab lus ntawm kev ua haujlwm tau piav qhia ntau zaus, muab nws luv luv - muaj cov hlau nplaum ruaj khov dai rau hauv qhov chaw sib nqus ntawm lub solenoid, qhov kev siv ntawm uas nyob ntawm lub teeb liab ntawm lub sensor.
Lub opposite ncej ntawm cov hlau nplaum tsis tig vim yog qhov tseeb tias nws yog mounted nyob rau hauv ib tug dummy ntiaj teb, uas noticeably hloov qhov chaw ntawm lub ntiajteb txawj nqus. Lub tshuab hluav taws xob hluav taws xob ntawm lub cuab yeej yog qhov yooj yim heev thiab yuav luag tsis muaj kev teeb tsa.
Muaj cov kev xaiv rau kev siv cov haujlwm zoo sib xws ntawm Arduino, tab sis qhov no yog los ntawm koob "vim li cas nws yooj yim thaum nws tuaj yeem nyuaj."
Kab lus no tau mob siab rau lwm qhov kev xaiv, qhov chaw sawv ntsug siv es tsis txhob ncua kev ncua:
Hloov lub ntiaj teb, ib lub paj lossis lwm yam yog ua tau, raws li koj lub tswv yim dictates. Kev tsim cov khoom ua si zoo li no tau tsim, tab sis tus nqi tsis txaus siab rau leej twg. Hauv qhov loj ntawm Ali Express kuv tuaj hla cov ntu hauv qab no:
uas yog cov khoom siv hluav taws xob ntawm qhov muag. Tus nqi nug yog 1,5 txhiab rubles yog tias "Seller's method" raug xaiv.
Raws li cov txiaj ntsig ntawm kev sib txuas lus nrog tus neeg muag khoom, , thiab teeb cov lus qhia ua lus Suav. Dab tsi tshwj xeeb yog kov kuv yog tias tus neeg muag khoom tau muab txuas rau ib daim vis dis aus uas tus kws tshaj lij piav qhia txhua yam, kuj yog lus Suav. Lub caij no, cov qauv sib sau ua ke yuav tsum muaj peev xwm thiab mob siab rau hloov kho; nws tsis yog qhov tseeb los pib nws "ntawm ya." Yog vim li cas kuv thiaj txiav txim siab los txhawb RuNet nrog cov lus qhia hauv Lavxias.
Yog li, nyob rau hauv kev txiav txim. Lub rooj tsav xwm luam tawm tau tsim nyob rau hauv qhov chaw zoo heev; raws li nws tau muab tawm, nws yog plaub txheej, uas yog qhov tsis tsim nyog kiag li. Kev ua haujlwm yog qhov zoo tshaj plaws thiab txhua yam yog silkscreened kom meej thiab nthuav dav. Ua ntej tshaj plaws, nws yooj yim dua rau solder Hall sensors, thiab nws yog ib qho tseem ceeb heev kom muab tso rau lawv kom raug. Daim duab ze-up yog txuas nrog.
Lub rhiab nto ntawm lub sensors yuav tsum yog ib nrab ntawm qhov siab ntawm solenoids.
Qhov thib peb sensor, uas yog nkhaus nrog tsab ntawv "G", tuaj yeem tsa siab dua me ntsis. Nws txoj hauj lwm, los ntawm txoj kev, tsis yog ib qho tseem ceeb heev - nws ua hauj lwm kom tau txais lub hwj chim.
Kuv xav kom mounting lub solenoids kom cov terminals los ntawm qhov pib ntawm winding nyob rau sab saum toj. Ua li no lawv yuav sawv ntsug ntau dua, thiab tsis tshua muaj kev pheej hmoo ntawm luv luv Circuit Court. Plaub solenoids tsim ib lub xwmfab; nws yog ib qho tsim nyog los txuas cov kab pheeb ces kaum ua khub. Ntawm kuv lub rooj tsavxwm, ib kab pheeb ces kaum tau sau tias X1, Y1, thiab lwm qhov yog sau X2, Y2.
Nws tsis yog qhov tseeb tias koj yuav tuaj hla tib qho. Lub hauv paus ntsiab lus tseem ceeb: peb coj ib kab pheeb ces kaum, txuas cov terminals sab hauv ntawm cov coils ua ke, thiab txuas cov terminals sab nraud rau hauv ib lub voj voog. Cov hlau nplaum tsim los ntawm txhua khub ntawm coils yuav tsum sib txawv.
Plaub kab ntawm cov hlau nplaum tas mus li yuav tsum tau mounted kom lawv txhua tus ntsib tib txoj kev. Nws tsis muaj teeb meem txawm tias nws yog sab qaum teb lossis sab qab teb ncej, nws tseem ceeb kom tsis txhob sib haum.
Tom qab ntawd, peb ua siab ntev nrog cov khoom thiab lo rau lawv raws li silk-screen luam ntawv. Lub tinning thiab metallization yog zoo heev, soldering xws li lub rooj tsavxwm yog ib qho kev txaus siab.
Tam sim no nws yog lub sijhawm los delve rau hauv kev ua haujlwm ntawm cov hluav taws xob hluav taws xob.
Lub node J3 - U5A - Q5 nyob ib sab me ntsis. Element J3 yog Hall sensor uas siab tshaj plaws thiab muaj ob txhais ceg nkhaus. Qhov no tsis muaj dab tsi ntau tshaj li lub tshuab hluav taws xob tsis siv neeg hloov pauv. Sensor J3 pom qhov tseeb ntawm qhov muaj ntab saum toj no tag nrho cov qauv. Peb tso lub ntab thiab lub zog tig rau. Tshem tawm - muab tua. Qhov no yog qhov laj thawj heev, vim tias tsis muaj ntab, kev ua haujlwm ntawm lub voj voog yuav tsis muaj nuj nqis.
Yog tias tsis muaj hluav taws xob, lub ntab yuav ua kom nruj rau ib qho ntawm cov khoom sib nqus. Thov nco ntsoov: qhov no yog qhov tseeb, qhov no yog qhov nws yuav tsum yog. Lub ntab yuav tsum tig mus rau sab no. Nws pib thawb tawm tsuas yog thaum nws nruj me ntsis hauv nruab nrab ntawm cov qauv. Tab sis thaum lub tshuab hluav taws xob tsis ua hauj lwm, nws inevitably ntog mus rau ib qho ntawm cov vertices ntawm lub square.
Lub regulator yog tsim los zoo li no: ob symmetrical halves, ob txawv amplifiers, txhua tus tau txais ib lub teeb liab los ntawm nws tus kheej Hall sensor thiab tswj H-bridge, lub load uas yog ib tug khub ntawm solenoids.
Ib qho ntawm LM324 amplifiers, piv txwv li, U1D, tau txais lub teeb liab los ntawm sensor J1, ob qho tib si, U1B thiab U1C, ua haujlwm ua tus tsav tsheb ntawm H-bridge tsim los ntawm transistors Q1, Q2, Q3, Q4. Ntev npaum li lub ntab nyob hauv nruab nrab ntawm lub square, U1D amplifier yuav tsum nyob rau hauv qhov sib npaug thiab ob txhais tes ntawm H-bridge kaw. Thaum lub ntab txav mus rau ib qho ntawm cov solenoids, lub teeb liab los ntawm sensor J1 hloov, qee qhov ib nrab ntawm H-bridge qhib, thiab cov solenoids induce opposite magnetic teb. Tus uas nyob ze rau lub ntab yuav tsum thawb nws mus. thiab qhov twg yog ntxiv - ntawm qhov tsis sib xws, nyiam. Yog li ntawd, lub ntab rov qab mus rau qhov twg nws tuaj. Yog hais tias lub ntab ntab rov qab ntau dhau, lwm sab caj npab ntawm H-bridge yuav qhib, lub polarity ntawm lub hwj huam mov rau ob lub solenoids yuav hloov, thiab lub ntab yuav rov mus rau qhov chaw.
Qhov thib ob kab pheeb ces kaum ntawm transistors Q6, Q7, Q8, Q9 ua haujlwm raws nraim tib txoj kev. Ntawm chav kawm, yog tias koj mess up lub phasing ntawm lub coils los yog lub installation ntawm lub sensors, txhua yam yuav tsis ncaj ncees lawm thiab lub cuab yeej yuav tsis ua hauj lwm.
Tab sis leej twg txwv koj tsis txhob muab txhua yam ua ke kom raug?
Tam sim no peb nkag siab txog cov hluav taws xob hluav taws xob, qhov teeb meem ntawm kev teeb tsa tau ua kom pom tseeb.
Nws yog ib qho tsim nyog los kho cov ntab hauv nruab nrab, thiab nruab cov potentiometers R10 thiab R22 kom ob txhais tes ntawm ob qho tib si H-bridges raug kaw. Zoo, cia peb hais tias, "kho" - Kuv tau nqa mus lawm, tej zaum koj tuaj yeem tuav lub ntab nrog koj txhais tes, ntau dua, nrog rau ib sab tes, thiab nrog rau lwm tus tes hloov ntswj ob lub tig tig. Raws li nws tau muab tawm, cov resistors yog ntau tig rau ib qho laj thawj - lus ib nrab tig rau ntawm ib qho ntawm lawv, thiab qhov chaw poob. Qhov twg kuv txhais tes los ntawm yog qhov tsis pub leejtwg paub, tab sis los ntawm kev kov kuv tsis tuaj yeem pom cov kev hloov pauv ntawm tus cwj pwm ntawm ntab nyob ntawm txoj haujlwm ntawm lub potentiometer swb. Kuv twv tau hais tias tus tsim tawm tau ntsib cov teeb meem tib yam, thiab yog li muab ob lub jumpers zoo li no rau ntawm lub rooj tsavxwm.
Koj puas pom ob lub jumpers ntawm sab laug thiab sab xis? Lawv rhuav tshem lub voj voog ntawm ib khub ntawm solenoids thiab H-bridge. Cov txiaj ntsig los ntawm lawv yog ob npaug: los ntawm kev tshem tawm ib qho ntawm cov jumpers, koj tuaj yeem tua tag nrho ib qho ntawm kab pheeb ces kaum, thiab los ntawm kev tig ntawm ammeter es tsis txhob ntawm lwm yam, koj tuaj yeem pom lub xeev ntawm H-bridge ntawm lwm kab pheeb ces kaum.
Raws li cov lus piav qhia, Kuv nco ntsoov tias yog H-bridges ntawm ob kab pheeb ces kaum qhib kiag li, cov khoom siv tam sim no tuaj yeem ncav cuag peb amperes. Hauv cov xwm txheej zoo li no, nws yuav nyuaj heev rau transistor Q5 kom ciaj sia. Hmoov zoo, nws tuaj yeem tiv taus qhov hnyav li no rau lub sijhawm luv luv, tab sis koj yuav tsum tig ob lub zog tig, thiab koj tsis paub ua ntej qhov twg.
Yog li rau kev teeb tsa ua ntej, kuv xav kom tinkering nrog txhua kab pheeb ces kaum sib cais: tua tus thib ob nrog lub jumper kom lub Q5 tsis haus luam yeeb.
Txij li thaum tam sim no dhau los ntawm cov solenoids tuaj yeem hloov cov kev taw qhia, Suav muaj ammeters nyob rau hauv uas lub koob sawv ntsug nyob rau hauv nruab nrab ntawm lub teev. Thiab yog li ntawd lawv zoo siab thiab xis nyob: lawv rub tawm cov jumpers, stick ammeters rau hauv qhov khoob, thiab maj mam tig cov resistors kom txog thaum cov xub mus rau xoom.
Kuv yuav tsum tau tawm ntawm ib lub jumper qhib, thiab ntsaws rau hauv lwm qhov sib txawv ntawm tus qub Soviet tester hauv ammeter hom nrog ntsuas qhov txwv ntawm 10 amperes. Yog tias qhov tam sim no hloov mus rau qhov tsis sib xws, tus tester dullly tawm mus rau sab laug, thiab kuv ua siab ntev tig lub hau ntswj kom txog thaum tus tester rov qab mus rau xoom. Qhov no yog tib txoj hauv kev los hloov kho ua ntej. Tom qab ntawd nws muaj peev xwm tig rau ntawm ob kab pheeb ces kaum thiab kho qhov kev hloov kho, ua tiav qhov siab tshaj plaws ntawm qhov ntab. Koj tuaj yeem tswj tau tag nrho cov khoom siv tam sim no: qhov tsawg dua. qhov tseeb dua qhov teeb tsa.
Tawm ntawm tus cwj pwm, kuv luam tawm cov ntaub ntawv Levitron ntawm lub tshuab luam ntawv 3D. Nws hloov tawm tsis zoo nkauj li cov khoom ua si tiav rau kaum txhiab, tab sis kuv xav paub txog cov ntsiab lus kev, tsis yog kev zoo nkauj.
Tau qhov twg los: www.hab.com