Lighting is increasingly becoming the largest commercial building electricity consumption expenditure of the status quo, prompted renewed concern about green lighting technology, so that solar lighting lighting the development and utilization continue to attach importance to all countries in the world. Europe and the United States and Japan and other developed countries has developed a series of solar lighting lighting systems, and industrial and civil construction applications, saving energy and improving the indoor environmental quality, healthy. Therefore, solar lighting lighting research has significant economic and social benefits.
Solar lighting systems in the light of
。 Solar lighting systems, including lighting lighting, lighting-light and three parts. Condenser and lighting system is divided into two kinds of non-concentrators: non-condenser lighting systems usually use light plane mirror or surface-optical systems such as lighting l, a majority-way-air-light; condenser lighting with lighting systems, such as lens or mirror Tingri Lighting optical system, a guided-mode optical-fiber tube or.
The system uses concentrating light, the light guided-optical systems. Condenser system uses plane-mirror array, its principle as shown in Figure 1. Azimuth adjustment of automatic tracking system and a high degree of angle can be tracked automatically track adjustment, can also be manually adjusted manually adjust the current track.
Plane mirror of condenser
Plane mirror condenser system in a plane along the north-south layout of several parallel plane mirror, the plane's angle can be adjusted to mirror the axis perpendicular direction of the incident and the sun. Each mirror can rotate around the axis mirror so that the incident reflected the sun always pointing straight at Coke. Through the design so that each mirror reflects light to sunlight to maintain a straight line at the coke and angular velocity of rotation of the same, the initial direction of the mirror can be adjusted according to calculations fixed at that time may, under the direction of sunlight every one of the plane mirror Reflective lighting adjustments to the Coke after the fixed line. All the mirrors and control agencies connected, by changing the angle of control so that all mirror synchronous rotation, so that each lens reflex light at Coke are straight.
As mirror a certain width, the FPA does not have been spot on the line, but a certain width of the spot. According to the width of the required spot and light intensity can be designed mirror and the width of the mirror number.
I. lights and coupling methods
- Introduction of a round or rectangular tubes, the reflection of the wall by the aluminum paste from polyester film, the reflection rate of 0.90. As reflected light of the convergence for a long spot, so you can use one or more guided lights, or increase the brightness for various lighting.
Convergence of sunlight and fluorescent tubes guided by the coupling of coke in the bottom line fixed a flat mirror, the light to change the direction of the coke line fell at the entrance of the light guided. In order to enter the guided light beam as much as possible of the Parallel light, reduced lead in the light reflection in the light of the number of coke in the bottom line instead of using cylindrical surface-plane mirror, the surface-surface mirror surface shape dependent on the location. A "mirror surface for the straight-line distance from Coke, x to the Centre for the distance, the surface and the water level x (base level) for the angle: