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Kogelvis forum • Toon onderwerp - Leds als hoofdverlichting
Pagina 2 van 5

Re: Leds als hoofdverlichting

BerichtGeplaatst: 01 maart 2010 23:09
door Nanda
hey kicke joh!

bespaard t nou veel op energie en kosten?

Re: Leds als hoofdverlichting

BerichtGeplaatst: 02 maart 2010 10:19
door Nantheos
Even een paar feitjes :P

De meest efficiënt mogelijke verlichting op dit moment zijn T5 HE (High efficiency) balken, met elektronisch voorsckakelapparaat. Dat zijn dus die dunne buisjes. Maar niet de soort die wij gebruiken, wij gebruiken allemaal HO (High Output). Die geven tenslotte meer licht per meter buis.

Led's zitten qua efficiëntie een beetje tussen die 2 in. Nu vraagt u mij, hoe komt het dan dat een LED buisje zo veel minder stroom trekt ?? Omdat ze veeeeeel minder licht geven. Dat valt alleen niet zo op, omdat het puntbronnen zijn, redelijk veel licht uit een heel klein lampje. Dus hebben wij het gevoel dat ze veel licht geven...

Maar helaas is LED dus niet de meest efficiënt mogelijke lichtbron :(

Maar, desalniettemin .. LED's geven wel een heel duidelijk spectrum aan licht af, terwijl TL vaak ook vanalles uistraald waar we helemaal niks aan hebben. Dus voor allebei zijn voordelen ;)

Re: Leds als hoofdverlichting

BerichtGeplaatst: 02 maart 2010 10:30
door Lode
Mooie info Heike :left thumb

Haal je niet ook een hoop winst doordat een led z'n licht puur de kant op schijnt die je wilt. Een TL geeft misschien wel voor 40% licht de "verkeerde kant" op (met reflectoren natuurlijk minder).

Re: Leds als hoofdverlichting

BerichtGeplaatst: 02 maart 2010 13:10
door Nantheos

Re: Leds als hoofdverlichting

BerichtGeplaatst: 02 maart 2010 15:26
door Jerrzz
Ziet er goed uit, ben ook erg benieuwd als je de 2 nieuwe lampen erin gaat hangen. Zijn dat de grootste LED buizen die je kunt bestellen? Ik vraag me af, worden de buizen om de leds niet aangetast door het zout? Ik zie bij die van mij (blauw-maanlicht) dat de buis veel zout/kalkaanslag heeft die ik moeilijk kan verwijderen..

Prijzen vallen wel mee op de site!! Interessant ;)


Re: Leds als hoofdverlichting

BerichtGeplaatst: 02 maart 2010 16:39
door Nantheos
LED's behoeven geen voorschakelapparaat, en zijn best te dimmen, maar niet met een standaard dimmer. De gebruikte techniek voor dimmen heet PWM (Pulse Width Modulation) waarbij een LED heel erg snel aan en uit word gezet. Vaak ligt de schakelsnelheid in de kHz'en (oftewel.. 10 duizenden keren per seconde). Door de verhouding tussen Aan en Uit te veranderen lijkt het licht dan meer of minder fel.

Tegen het zout zou je LED lampjes gewoon dicht kunnen smeren met kit of lijm, en volgens mij zijn ze ook waterdicht verkrijgbaar, voor onder auto's enzo. Er zijn ook LED lampjes voor onderwater, het lijkt me dat je die gewoon af kan spoelen als er aanslag op zit :)

Re: Leds als hoofdverlichting

BerichtGeplaatst: 02 maart 2010 16:56
door Nanda
Jep ik heb onderwater leds... ook in mijn zout aquarium :)

werkt perfect! Zijn wel duurder trouwens maar wilde geen enkel risico nemen...

Re: Leds als hoofdverlichting

BerichtGeplaatst: 02 maart 2010 18:12
door Chantal
Heb toevallig vandaag de 2 bijbestelde buizen binnengekregen. even tijd maken om ze erin te zetten. De grootste buis die zij verkopen is volgens mij 62 cm (maar hoeveel leds er dan in zitten weet ik niet, staat allemaal op hun site).

De buizen die er omheen zitten zijn hard plastic, lijkt me makkelijk schoon te maken. Zodra ik zout/kalkaanslag heb zal ik je direct vertellen of het makkelijk schoon te maken is :)


Re: Leds als hoofdverlichting

BerichtGeplaatst: 06 maart 2010 21:07
door Lode
Hoeveel lumen geven ze op per buis Chantal?

Ben benieuwd naar foto's van het nieuwe resultaat :)

Re: Leds als hoofdverlichting

BerichtGeplaatst: 08 maart 2010 12:37
door Jerrzz
Ik ben ook erg benieuwd naar het eindresultaat! gelukkig zijn de buizen goed schoon te houden, thanks voor de info. Ik ga toch maar eens serieus over nadenken.