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> Reducere impulsuri, senzor logan

superstrutz
post 5 Aug 2010, 18:13
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se da una bucata senzor viteza logan

dupa lungi calcule am ajuns la concluzia ca la o rotatie da 8 impulsuri dreptunghiulare

ceasul are nevoie de 5 pt a masura un metru
INTREBARE: cum fac ca la o turatie in loc de 8 impulsuri sa am doar 5


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bv-08-fgm
post 5 Aug 2010, 21:58
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o intrebare: te ocupi doar de experimente dastea?smile.gif) desii cred ca pe google gasesti raspunsul si nu mai astepti dupa altii.bafta!


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superstrutz
post 6 Aug 2010, 08:08
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nu ma ocup doar de experimente, le am deja pe masina si vreau sa le fac sa functionez corect, dupa car sa fac un topic pt toti usri forumului

LE: si google nu m`a ajutat de data asta

This post has been edited by superstrutz: 6 Aug 2010, 08:08


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Paulorossi
post 6 Aug 2010, 08:57
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superstrutz,ce incerci tu sa faci e destul de greu.
Ai doua optiuni:
-modifici cele 8 semnale pana la 5 modificand cama pe care citeste senzorul sau reductorul care duce la senzor(daca e cazul) asfel incat pe o rotatie sa dea 5 impulsuri
- faci un montaz electronic care iti reduce cele 8 semnale la 5,sau desfaci senzorul si vezi ce faci cu magnetii de acolo,ii redistribui.Se poate cauta pe Google
SPOR!

This post has been edited by Paulorossi: 6 Aug 2010, 08:59


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superstrutz
post 6 Aug 2010, 10:03
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senzorul nu e recomandabil sa il desfac si limitare electronica se poate face doar prin divizare, la cea mai mica divizare cu 2 as obtine 4 in loc de 5, la fel de nasol


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mihai1677
post 6 Aug 2010, 11:02
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Ai doua solutii:
1- schimbi melcul din cutia de viteze cu unul de pe o cutie longitudinala de reno 21
2- iti propui o viteza maxima sa zicem 180km/h, calculezi numarul de impulsuri pe secunda ptr aceasta viteza, apoi aflii durata unui impuls ptr aceasta viteza, sa zicem 1ms, apoi realizezi un montaj care sa dea 5 impulsuri in aceasta perioada de timp 1ms/5= 200us din care 100us logic 1 si 100us logic 0, bun, dupa asta o sa ai 8x5 impulsuri pe rotatie, apoi divizor digital cu 8 si ai rezolvat: 8x5/8=5 impulsuri per rotatie.
ps: calculele nu le-am facut. sunt luate arbitrar


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C a t a l i n
post 6 Aug 2010, 12:28
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Multiplici acele 8 impulsuri initiale cu 10, apoi le divizi cu 2 sau multiplu de 2 de atatea ori pana obtii 5...


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superstrutz
post 6 Aug 2010, 13:43
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si daca schimb melcul va merge ?
nu am cum sa le multiplic smile.gif daca le puteam multiplica usor o faceam,

This post has been edited by superstrutz: 6 Aug 2010, 13:52


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b64chr
post 6 Aug 2010, 14:12
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Foloseste un integrat CD4022, cauta-i datasheet-ul. Asta e un numarator / divizor cu 8 iesiri. Din cele 8 iesiri lasi 3 neconectate iar celelalte 5 le trimiti la ceas.


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superstrutz
post 6 Aug 2010, 15:05
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multumesc studiez revin cu concluzii

LE: o schema te rog, nu prea ma pricep asa bine

This post has been edited by superstrutz: 6 Aug 2010, 15:18


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superstrutz
post 10 Aug 2010, 14:26
Post #11


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schema mi`a facut-o cineva, o parte a componentelor o am, astept resul, diseara fac schema in format electronic, si cablajul, va tin la curent


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DannY_SmekeruL
post 7 Jan 2011, 14:56
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a realizat cineva montajul electronic pentru diminuarea impulsurilor.sunt interesat si eu de acest capitol deoarece vreau sa montez un tablou de bord de logan pe batrana dacie


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superstrutz
post 15 May 2011, 08:11
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am facut eu dar nu a mers, probabil o sa il mai fac odata, cand o sa am timp


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