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Author Topic: about FAN speed  (Read 1799 times)
erick_214
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« on: October 20, 2008, 12:44:37 AM »

Hello mga gurus..! newbie lang po ako dito sa forum...
Tatanong ko lang sana baka may nakakaalam sa inyo kung papaano ko papabagalin yung speed ng fan na pang kotse yung nakatapat po sa condenser ng aircon..? Ang plano ko po kasi ay habang naka-off(from on) ay aandar pa rin yung fan nya ng medyo mas mabagal kumpara sa full power nito...

yung specs ng fan ay 12V, tapos rough estimate ko 50 to 100watts

TIA....
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« on: October 20, 2008, 12:44:37 AM »

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maldihtah13
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« Reply #1 on: October 20, 2008, 02:05:37 PM »

Hello mga gurus..! newbie lang po ako dito sa forum...
Tatanong ko lang sana baka may nakakaalam sa inyo kung papaano ko papabagalin yung speed ng fan na pang kotse yung nakatapat po sa condenser ng aircon..? Ang plano ko po kasi ay habang naka-off(from on) ay aandar pa rin yung fan nya ng medyo mas mabagal kumpara sa full power nito...

yung specs ng fan ay 12V, tapos rough estimate ko 50 to 100watts

TIA....

Pwede cguro using pwm.
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erick_214
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« Reply #2 on: October 20, 2008, 08:22:17 PM »

balak ko sana gumamit na lang ng resitor or transistor...yung simple lang talaga at hindi na kailangan ng kung ano-ano...anyone knows..?
TIA...
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« Reply #3 on: October 20, 2008, 08:25:57 PM »

balak ko sana gumamit na lang ng resitor or transistor...yung simple lang talaga at hindi na kailangan ng kung ano-ano...anyone knows..?
TIA...

yan pong sinasabi nyo na simple.................. simpleng nagsasayang din ng power Grin hehehehehe


brushed DC motor yan.
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E153C51513
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« Reply #4 on: October 20, 2008, 08:31:51 PM »

http://www.electronics-lab.com/projects/motor_light/003/

iyan tried,tested,approved ko na yan Cheesy mabubuo mo iyan sa ginintuang presyo na >>>>P150<<<< Grin
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« Reply #5 on: October 20, 2008, 08:36:58 PM »

pede mong palitan ng mosfet yan para mapataas ang load capacity Smiley mura lang ang IRFZ44 Smiley 49 ampere ang rating nya pero sa 12 ampere ko pa lang nasubukan continues Smiley
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« Reply #6 on: October 20, 2008, 09:14:35 PM »

3 posts na sunod-sunod. hehehe.

tama si nucleus. sayang sa kuryente kapag resistor/transistor lang. kahit mabagal, malaki pa rin ang power consumption.
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« Reply #7 on: October 20, 2008, 10:34:23 PM »

teka lang, di ko to sure... pwede bang controlin nyan yung fan na pang kotse? di ko alam kung anong fan ang tinutukoy nya, pero sa tingin ko yung brushed dc motor yun.

di ba yan yung motor na nasa harap ng kotse... yung nakatapat mismo sa umiinit na part na aircon? sa nissan nga dalawa pa ang nasa harap nyan... ewan ko sa iba. di ako masyado marunong sa sasakyan.
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« Reply #8 on: October 20, 2008, 10:38:46 PM »

nagbrowse-browse ako...

add ko lang tong image:

yang motor pala na nasa harap.

meron naman palang brussless nyan. hehehe Grin
pero yung stocks, parang di naman brushless...
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« Reply #9 on: October 20, 2008, 10:39:14 PM »

teka lang, di ko to sure... pwede bang controlin nyan yung fan na pang kotse? di ko alam kung anong fan ang tinutukoy nya, pero sa tingin ko yung brushed dc motor yun.

di ba yan yung motor na nasa harap ng kotse... yung nakatapat mismo sa umiinit na part na aircon? sa nissan nga dalawa pa ang nasa harap nyan... ewan ko sa iba. di ako masyado marunong sa sasakyan.


yup brushed yan Smiley ewn ko lang yung mga bnew na sasakyan Roll Eyes hehehehe yung sa mercedes na pinapagawa dito samin malakas yung ganyan dalawa din nakaparallel pag pinaikot mo kahit isang ikot lang na mabagal umiikot din yung isa Grin madaming pole Smiley
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« Reply #10 on: October 20, 2008, 10:41:01 PM »

nagbrowse-browse ako...

add ko lang tong image:

yang motor pala na nasa harap.

meron naman palang brussless nyan. hehehe Grin
pero yung stocks, parang di naman brushless...


madali lang malaman yun lang paikotin lang po habang nakakabit sa Voltmeter yung wires nya pag walang lumabas brushless Wink
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« Reply #11 on: October 20, 2008, 10:46:31 PM »

ok...
so tanong ko na din, pwede bang makontrol ang brushed na motor nyan PWM? naisip ko kasi, magandang application nga. sayang nga naman ng power kung pinatay mo na yung aircon, may delay sya ng konti bago totally tumigil. di lang actually sa sasakyan yan pwede magamit.
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« Reply #12 on: October 20, 2008, 10:49:40 PM »

ok...
so tanong ko na din, pwede bang makontrol ang brushed na motor nyan PWM? naisip ko kasi, magandang application nga. sayang nga naman ng power kung pinatay mo na yung aircon, may delay sya ng konti bago totally tumigil. di lang actually sa sasakyan yan pwede magamit.

pwede Cheesy Wink
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« Reply #13 on: October 20, 2008, 10:53:33 PM »

pwede Cheesy Wink

ok yun naman pala... pili lang sya ng mas malakas na output transistor.
actually, i am just having a doubt... kasi theoretically, dapat pwede talaga. di pa kasi ako nakakapag-experiment nyan...
 
nice info pala... salamat nucleus.Smiley
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« Reply #14 on: October 20, 2008, 11:06:25 PM »

ok yun naman pala... pili lang sya ng mas malakas na output transistor.
actually, i am just having a doubt... kasi theoretically, dapat pwede talaga. di pa kasi ako nakakapag-experiment nyan...
 
nice info pala... salamat nucleus.Smiley

welcome! Smiley yung IRFZ44 sa tingin ko pwede na Smiley
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erick_214
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« Reply #15 on: October 22, 2008, 12:43:31 AM »

elow guys...una sa lahat...maraming salamat sa replies nyo...
pangalawa..hindi ko alam kung brushless yun o hindi...
pangatlo...may nabibili bang ready to made na kit at saan po makakabili...hindi na kasi ako marunong gumawa pa nun sa pcb eh...

TIA...
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1110000
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« Reply #16 on: October 22, 2008, 12:56:00 AM »

elow guys...una sa lahat...maraming salamat sa replies nyo...
pangalawa..hindi ko alam kung brushless yun o hindi...
pangatlo...may nabibili bang ready to made na kit at saan po makakabili...hindi na kasi ako marunong gumawa pa nun sa pcb eh...

TIA...

malamang yan hindi brushless anong sasakyan ba yan? Smiley yang circuit walang kit nyan hehehehehe  pwede mo po gawin yan sa predrilled pcb Smiley
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« Reply #17 on: October 23, 2008, 09:23:44 PM »

2 ang fan n nasa kotse. Isa e para sa aircon condensing unit at ang isa e para sa radiator. Ung sa aircon e normally umi-ikot agad yan the moment you switch ON the aircon. Ung sa radiator naman, sa mga bagong kotse e controlled na ng heat sensor na embedded sa makina mismo. The moment the temperature rise, the fan will start automatically until such time na bumaba na again ang temperature ay automatically mag OFF yan. sa mga lumang kotse, it is normally stays ON most of the time. Why do u want to reduce the speed of the fan? It's not a good idea. It's a 12VDC Fan actually. Pag gnwa u yan bka d mo mapansin e mag overheat sasakyan u. Tapos n makina mo.
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« Reply #18 on: October 23, 2008, 09:34:40 PM »

2 ang fan n nasa kotse. Isa e para sa aircon condensing unit at ang isa e para sa radiator. Ung sa aircon e normally umi-ikot agad yan the moment you switch ON the aircon. Ung sa radiator naman, sa mga bagong kotse e controlled na ng heat sensor na embedded sa makina mismo. The moment the temperature rise, the fan will start automatically until such time na bumaba na again ang temperature ay automatically mag OFF yan. sa mga lumang kotse, it is normally stays ON most of the time. Why do u want to reduce the speed of the fan? It's not a good idea. It's a 12VDC Fan actually. Pag gnwa u yan bka d mo mapansin e mag overheat sasakyan u. Tapos n makina mo.


nope yung isa nakakabit lang sa belt ng makina Smiley bale mechanical lang yung pagswitch nun pagmalamig pa hindi sumasama yung elesi pag umiinit na kumakapit yung elesi sa shaft at sumasabay na sa ikot Smiley
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« Reply #19 on: October 23, 2008, 09:42:15 PM »


nope yung isa nakakabit lang sa belt ng makina Smiley bale mechanical lang yung pagswitch nun pagmalamig pa hindi sumasama yung elesi pag umiinit na kumakapit yung elesi sa shaft at sumasabay na sa ikot Smiley

sa rear wheel drive ito.


2 ang fan n nasa kotse. Isa e para sa aircon condensing unit at ang isa e para sa radiator. Ung sa aircon e normally umi-ikot agad yan the moment you switch ON the aircon. Ung sa radiator naman, sa mga bagong kotse e controlled na ng heat sensor na embedded sa makina mismo. The moment the temperature rise, the fan will start automatically until such time na bumaba na again ang temperature ay automatically mag OFF yan. sa mga lumang kotse, it is normally stays ON most of the time.

ito sa front wheel drive naman.
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