最小高度の光線 solar rays at the minimum altitude of the sun
最大高度の光線 solar rays at the maximum altitude of the sun
入射面 incident face
出光面 light emitting face
前斜面 front slanted face
後斜面 back slanted face
Unique solar lens. The solar lens, while in a stationary state, condenses sun rays coming from every azimuth direction and at every elevation angle and guides them onto the solar module, and substantially halves the solar module area, when the solar lens is applied to the solar panel. Use of the solar lens eliminates the need of using the driving mechanism for turning the solar panel to trace the sun for maximum sun rays gathering.
It is said that if the solar panel is turned so that it always direct its front surface toward the sun, the amount of generated power is 2 to 3 times that generated from the solar module, which is set in stationary state.
As seen from the explanatory diagram above, the solar lens condenses sun rays coming from every azimuth direction and at every elevation angle, and emits the conensed rays from the light emitting face, which is narrower than the incident face.
Thus, the solar lens is capable of condensing sun rays coming from every azimuth direction and at every elevation angle with no aid of the sun tracker.
The solar panel incorporating the solar lens is simple in construction and cost effective, and substantially maintenance free.
The solar lenses thus constructed may be laterally arrayed to form a bar-like lens. The bar-like lens may be made of a single material, such as glass or resin. In this case, molding process may be used for forming the bar-like lens in mass production.
Applications: solar panel, optical duct for natural light, size reduction and performance improvement of ever type of solar heating system, and others.
The inventor is Motoaki Masuda. The current status of invention is in patent pending. The inventor desires to actively utilize the invention in any of the following: 1) production consignment, 2) patent licensing and 3) co-development.
The invention is currently managed by “The Risona Foundation for Small and Medium Enterprise Promotion”.
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