Sunlight inside no direct-sunlighted rooms
February 25, 2007 § 6 Comments
This technology is on my interest-list for a few months but I lost track of the subject and forgot about it until now. Trying to find an interesting subject I’ve remmembered about it and started searching the web. Even if the first time I’ve encountered with this sunlight transportation system I’ve only learned a few things, today’s net ride got me much more accustomed with the subject and I am content with the new things I’ve discovered.
Of course I’ll share them here :).
So, most people believe that a room full of daylight can be achieved only where the sun directly lits the space through the windows. Not true. With fiber optic cables, it’s now possible to make a windowless basement feel like a glass-encased penthouse and the feeling is touching.
The sunlight not only takes part in our metabolism processes, helping our bodies build essential hormones, but makes these homes more energy-efficient, helping the environment in a period when everybody is concerned with the climate warming and the green gas pollution.
Parans, a sweedish company, has developed a system of rooftop solar panels that collect sunlight and then transport it through fiber optic cables to illuminate light-deprived rooms inside a house. The light emitting lamps (luminaries), which hang from the ceiling like lamps, give off a mixture of parallel light beams and ambient light, which changes as the sunlight outside changes, resembling the dappling of sunlight through trees.
The version 2.0 of this revolutionary technology is a hybrid between a solar-driven lighting system and and an electrical lighting system based on fluorescent lamps. The system works in tandem: sensors read the sunlight intensity in the fiber optic cable and decrease the intensity of the electric fluorescent lamp while the sun is bright and increase the fluorescent lamps’ lighting intensity whe the outside light drops (a cloud covers the sun) keeping thus a constant light intensity in the room.
For comparison, a hybrid electric lighting system – fiber optics lumminary is able to offer 1300 lux while the separate parts could offer 300 lux for the fluorescent lamps and 1000 lux for the natural light system as the video below shows:
Here you can see a video article about this sunlight transportation systemsystem that explains in detail the process and you can get a better ideea of what this is about:
On a Do It Yourself side note there are a few experiments out there but if you’re thinking about making a sun pipe yourself why not consider a chrome mirror-like finish on some metal pipe that runs straight from the roof to your ceiling (read more on this perfectcube article).