LED for car spotlight / high beam light

puzzl3

Banned
Joined
Aug 3, 2008
Messages
76
Location
Jakarta - Indonesia
Seoul Semiconductor's P7 Emitters (W724C0-DSW0J)
Hi, I want to build this LED for my car as a spot light. Will 10 Pcs be enough to be put in wiring for high beam only. ( will only last 15 second each time ).

If so, I have a few questions i'm hoping that you would know.

1. Car battery is 12 Volts, How do i manage to power it up with 12 Volts?

2. What about the reflector? What kind should i use?

3. How big is the dimension if i wanna build 5 Pcs ? Total 2 light for right and left.

4. Do you any suggestion on how i should do this?

Thanks.
 

qwertyydude

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Joined
Aug 10, 2008
Messages
1,115
Since while your car is running you get 14.4 volts you can use 3 in series and get a 2.8 amp regulator board for them. What you can do is mount them on a kind of 3 sided pyramid glued with heatsink compound to a heatsink plate. The pyramid will keep the light centered in the reflector so they can be mounted in a regular reflector and still work.
 

LukeA

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Joined
Jun 3, 2007
Messages
4,399
Location
near Pittsburgh
Since while your car is running you get 14.4 volts you can use 3 in series and get a 2.8 amp regulator board for them. What you can do is mount them on a kind of 3 sided pyramid glued with heatsink compound to a heatsink plate. The pyramid will keep the light centered in the reflector so they can be mounted in a regular reflector and still work.

3 P7s will NEVER work in a normal reflector. You need three separate reflectors.
 

artec540

Enlightened
Joined
Jun 7, 2008
Messages
276
Seoul Semiconductor's P7 Emitters (W724C0-DSW0J)
Hi, I want to build this LED for my car as a spot light. Will 10 Pcs be enough to be put in wiring for high beam only. ( will only last 15 second each time ).

If so, I have a few questions i'm hoping that you would know.

1. Car battery is 12 Volts, How do i manage to power it up with 12 Volts?

2. What about the reflector? What kind should i use?

3. How big is the dimension if i wanna build 5 Pcs ? Total 2 light for right and left.

4. Do you any suggestion on how i should do this?

Thanks.

Why not use Xenon (HID) lamps that are already commercially available and have appropriate reflectors and lens patterns?
 

puzzl3

Banned
Joined
Aug 3, 2008
Messages
76
Location
Jakarta - Indonesia
I live outside US and sometimes i go on road where there are a lots of busses that stop uncontrollable (even cops cant do anything). The only thing that would drive them away is bright lights.
Xenon needs 15-30 seconds to reach fully brightness and i only need to use it more than 20 times a day and each time is less than 15 seconds.
LED has an instant strike unlike HID.
I'm very unfamiliar with LED and i want to ask you guys some questions and hoping i could get it done.
Thanks
 

superflytnt

Enlightened
Joined
Aug 19, 2008
Messages
360
I live outside US and sometimes i go on road where there are a lots of busses that stop uncontrollable (even cops cant do anything). The only thing that would drive them away is bright lights.
Xenon needs 15-30 seconds to reach fully brightness and i only need to use it more than 20 times a day and each time is less than 15 seconds.
LED has an instant strike unlike HID.
I'm very unfamiliar with LED and i want to ask you guys some questions and hoping i could get it done.
Thanks





If it were me, I would just get a cheap 55w halogen spotlight that can be had on ebay for around $10 shipped. I actually use one as the headlight on my scooter (just the reflector/bulb hardwired into scooter electronics) and it's the same output as a car headlight. It won't be as bright as 10-P7's but it'll DEFINITELY get someones attention from a couple miles away and they throw really far with that huge smooth reflector.........................

something like this.............http://cgi.ebay.com/New-12V-Halogen...39:1|66:2|65:12|240:1318&_trksid=p3286.c0.m14
 
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