Cov txheej txheem:
- Kauj Ruam 1: Cov Ntaub Ntawv thiab Cov Cuab Yeej
- Kauj Ruam 2: Qee Qhov Kev Xeem Ua Ntej
- Kauj Ruam 3: Kev Ntseeg Vaj Huam Sib Luag
- Kauj Ruam 4: Tus Kheej, Tus Kheej, Tus Kheej
- Kauj ruam 5: Kaw lub Box
- Kauj Ruam 6: Pom Lub Teeb?
Video: Hmo Nroog Skyline LED Phab Ntsa Teeb: 6 Kauj Ruam (nrog Duab)
2024 Tus sau: John Day | [email protected]. Kawg hloov kho: 2024-01-30 09:29
Cov lus qhia no piav qhia yuav ua li cas kuv tsim lub teeb ntsa phab ntsa zoo nkauj. Lub tswv yim yog ntawm hmo ntuj lub nroog ntuj ceeb tsheej, nrog qee lub qhov rais ci ntsa iab hauv cov tsev. Lub teeb tau pom nrog lub vaj huam sib luag plexiglass xiav semitransparent nrog lub tsev silouhettes pleev xim rau xim dub. Lub teeb los ntawm 108 "qhov rais" uas tau teeb los ntawm cov teeb tsau rau hauv qhov ntawm lub vaj huam sib luag. Lub teeb yog siv los ntawm roj teeb 12V lossis lub zog siv.
Kauj Ruam 1: Cov Ntaub Ntawv thiab Cov Cuab Yeej
Semitransparent xiav plexiglass vaj huam sib luag 50 cm x 22 cm (~ 20 "x 9"), 3 mm (0.12 ") tuab
- dawb plexiglass vaj huam sib luag 50 cm x 22 cm (~ 20 "x 9"), 3 hli (0.12 ") tuab
- 2 meters txhuas channel 15 mm x 10 mm x 1 mm (~ 0.6 "x 0.4" x 0.04 ")
- Xim dub
- Daim ntawv nplaum
- yas spacers, 7 hli (0.275 ) tuab
- 6 x M3 x 12 lub taub hau ntswj taub hau
- 108 dawb 3 hli leds
3 NUJ 4001
3 x 2.2 ohm resistors
- xov
- hloov
- 12 V bettry lossis lub zog siv
Cov Cuab Yeej:
- Laum
- 2.5 hli qhov me ntsis
- M3 tug
- countersink
- soldering hlau
- hlau pom
Kauj Ruam 2: Qee Qhov Kev Xeem Ua Ntej
Kuv tau txiav txim siab tus naj npawb ntawm lub qhov rais ci feem ntau yog ua raws cov yam ntxwv hluav taws xob ntawm hom leds thiab tus tsav tam sim no kuv siv. Cov leds yog 3 hli dawb leds, uas ua haujlwm nrog 3.3 V thiab nqus tau siab tshaj li 0.025 A.
Txhawm rau kom muaj kev ruaj khov thiab ruaj khov tam sim no kuv siv 3 tus tsav tam sim no LED NUD4001.
Kuv txuas cov leds hauv pab pawg ntawm 3 hauv kab, 12 pawg sib luag rau txhua ntawm 3 NUD4001, rau tag nrho 3 * 12 * 3 = 108 leds, saib cov phiaj xwm hluav taws xob hauv qab no.
Ua raws cov lus qhia ntxaws uas muaj nyob hauv cov ntawv teev npe ntawm NUD4001 (https://www.onsemi.com/pub/Collateral/NUD4001-D. PDF) Kuv tau suav cov nqi hluav taws xob ntawm kuv qhov Circuit (rau txhua 3 NUDS). Cov ntaub ntawv ntawm NUD4001 pom zoo kom tag nrho lub zog tso tawm qis dua 1.13 W, raws li cov cua sov kis ntawm SO-8 rooj plaub thiab cov ntaub qhwv loj:
- Leds tam sim no: Iled = 0.025 A * 12 = 0.30 A
- Vsense: 0.7 V (Saib Daim Duab 2 hauv NUD cov ntawv)
Rext = Vsense / Iled = 0.7 V / 0.24 A = 2.33 ohm
Vled = 3.3 V + 3.3 V + 3.3 V = 9.9 V
- Vdrop hla NUD4001: Vdrop = Vin - Vsense - Vled = 12 V - 0.7 V - 9.9 V = 1.4 V
- Lub zog tawm ntawm NUD4001: P = Vdrop * Kuv tawm = 1.4 V * 0.30 A = 0.420 W
- Lub zog hluav taws xob sab hauv NUD4001 (Daim duab 4 hauv daim ntawv, rau 12 V): 0.055 W.
- Tag Nrho Cov Hluav Taws Xob: Ptot = 0.420 W + 0.055 W = 0.475 W
Txij li thaum kuv tsis muaj lub ncoo ntawm no (cov NUDs tau muab txuas rau cov xov hlau thiab lwm yam khoom tab sis "ntab hauv huab cua"), Kuv cia siab tias yuav muaj cua sov qis dua, yog li kuv xav (vam) tias tus nqi ntawm 0.475 W muab los ntawm kuv lub Circuit Court tsawg tsis ua kom puas NUD4001.
Kev suav rau qhov tsis kam muab tus nqi rau Rext = 2.33 ohm. Txij li 2.33 ohm resistor tsis muaj lag luam Kuv siv tus qauv tus nqi ze rau nws, 2.2 ohm.
Kauj Ruam 3: Kev Ntseeg Vaj Huam Sib Luag
Thawj kauj ruam hauv kev ua kom pom vaj huam sib luag tau xaiv lub nroog zoo nkauj saum ntuj kom rov tsim dua ntawm lub vaj huam sib luag plexiglass. Tom qab qee qhov tshawb hauv Is Taws Nem kuv xaiv lub ntuj saum ntuj hauv daim duab 1.
Tom qab ntawd, nrog cov duab tswj software (gimp hauv kuv qhov xwm txheej, tab sis txhua qhov kev tsim duab software tuaj yeem ua tau) Kuv tau yoog raws qhov ntev kom nws tuaj yeem haum ntawm ob daim ntawv A4 hauv toj roob hauv pes. Daim duab yuav tsum tau siv ua daim npog rau pleev xim rau cov tsev thiab ua kom lub qhov rau leds, yog li kuv "binarized" nws ua kom nws ntshiab b & w nrog cov ntse ntse thiab ntxiv cov pob dawb raws li siv rau qhov rai qhov. Thaum kawg kuv muab cov duab faib ua ob daim thiab luam tawm ntawm 2 daim ntawv nplaum (daim duab 2, Daim duab 3)
Tom qab tau ua tib zoo txiav cov ntawv kuv tau txuas ib feem dawb ntawm cov ntawv (ntuj) rau ntawm lub vaj huam sib luag plexiglass, thiab pleev xim rau qhov tsis pom nrog cov tshuaj tsuag xim dub. Tom qab cov xim tau qhuav lawm kuv tshem daim ntawv nplaum dawb thiab txuas cov xim dub ntawm cov ntawv ntawm cov tsev pleev xim. Tom qab ntawd, ua raws cov pob me me kuv tau ua lub qhov rau cov leds, thiab tshem tawm cov ntawv nplaum dub, saib xyuas kom tsis txhob puas cov xim. (Kuv txiav txim siab los laum qhov tom qab pleev xim vim tias tsis yog xim tuaj yeem txhaws qhov thiab ua rau ntsaws qhov leds)
Kauj Ruam 4: Tus Kheej, Tus Kheej, Tus Kheej
Nrog lub vaj huam sib luag pleev xim thiab drilled kuv pib tso cov leds rau hauv lub qhov, nrog tus pin khoov thiab sib dhos kom kuv thiaj li tuaj yeem txuas qhov zoo (ntev dua) tus pin ntawm ib qho coj nrog qhov tsis zoo (luv dua) tus pin tom ntej, hauv kab ntawm 3.
Kuv siv cov xov hlau los kaw qhov khoob ntawm cov pins thaum dav dhau, thiab nruab nrab ntawm NUD4001 tus pin thiab leds.
Tsis tas li kuv yuav tsum tau teeb tus pin thiab xov hlau kom nkaum lawv tom qab cov xim dub. Thaum kawg nws yuav tsum tau siv ntau heev ntawm cov laug (thiab kuv tsis zoo ntawm nws). Yog li txhua yam zoo li tsis meej, thiab nws yog, tab sis qee qhov nws ua haujlwm;)
Kauj ruam 5: Kaw lub Box
Kauj ruam kawg los ua kom tiav kuv lub teeb coj yog kho lub plexiglass vaj huam sib luag thib ob nyob tom qab kom tiv thaiv txhua qhov kev tawm tsam. Nruab nrab ntawm 2 lub vaj huam sib luag kuv tso 6 spacers tawm hauv chav txaus rau tag nrho cov khoom siv sab hauv, thiab kuv pom lub thav duab kom txhua tus ua ke. Kuv ua tus spacer los ntawm tej seem plexiglass kuv tau tso ncig, muab tso ua ke 1 daim 3 hli tuab thiab 1 daim tuab 4 hli. Kuv pom lub thav duab los ntawm 4 daim ntawm txhuas channel ntev li ntev tau ntawm lub vaj huam sib luag, nrog qhov kawg ntawm 45 °. Cov channel muaj qhov dav sab hauv ntawm 13 mm (~ 0.5 ), yog li kuv tau ua tus spacers 7 mm tuab (13 mm - 2 x 3 mm rau plexiglass panles). Tom qab ntawd kuv glued cov spacers ntawm lub vaj huam sib luag pem hauv ntej, 2 ntawm txhua sab ntev thiab 1 ntawm sab luv, thiab tso lub vaj huam sib luag tom qab. Nrog cov thav duab ob sab tso rau hauv qhov chaw Kuv ua 6 qhov 2, 5 mm ntawm txoj kab uas hla, tom qab, ntawm txoj haujlwm spacer. Txij li thaum kuv xav tau lub hauv ntej ntawm tus ncej kom huv thiab tsis muaj qhov, kuv nres qhov drilling thaum lub qhov tob txog 5-6 hli tob, tom qab ntawd kuv tshem tawm cov txhuas txhuas thiab kuv ua tiav lub qhov hla txhua txoj kev los ntawm plexiglass panels thiab spacers. Tom qab ntawd kuv tau xaws lub qhov nrog M3 kais. Kuv kuj tau nthuav dav thiab flared lub qhov nyob rau sab nraum qab ntawm txhuas txoj kab rau lub taub hau taub hau. Nyob rau sab laug channel kuv tau ua lub qhov nyob rau sab rau lub zog txuas. Thaum kawg kuv tau sib sau ua ke txhua lub vaj huam sib luag nrog spacers thiab aluminium raws thiab ntsia cov ntsia hlau. Cov ntsia liaj qhov rooj yog 12 hli ntev, yog li lawv nqes mus los ntawm lub vaj huam sib luag tom qab, qhov sib txawv thiab ib feem ntawm lub vaj huam sib luag pem hauv ntej, tab sis tsis txhob mus txog rau sab xub ntiag ntawm tus ncej.
Kauj Ruam 6: Pom Lub Teeb?
Tom qab tau teeb tsa lub teeb coj kuv tau txuas lub xov hluav taws xob thiab lub roj teeb 12V, thiab hloov ntawm lub teeb.
Thaum kawg kuv txaus siab los ntawm kuv txoj haujlwm, txawm hais tias lub teeb ua rau lub teeb me me dhau los, tshwj xeeb tshaj yog nyob rau pem hauv ntej (lawv muaj lub qhov nqaim nqaim ntawm lub teeb, yog li thaum pom ib sab lawv zoo li tsis pom kev). Yog tias kuv tsis nkag siab yuam kev NUD4001 cov ntawv ci ci ntawm cov leds tuaj yeem txo qis hloov 2, 2 ohm resistors nrog qhov siab dua, tab sis tam sim no kuv yuav khaws kuv lub teeb zoo li nws yog.
Pom zoo:
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