| 摘要 |
PURPOSE: An air heater using solar energy, in which a convex lens plate and a concave reflection mirror which are manufactured to be square is applied, is provided to prevent the optical loss by actuating a square plate as a convex lens plate and a concave reflection mirror. CONSTITUTION: An air heater using solar energy comprises a square convex lens plate(3), a square concave reflection mirror board(2) and an air heating main body(11). The square convex lens plate accomplishes a convex lens main body(31) with a plurality of square convex lenses(32). A plurality of square concave mirrors(22) is located on the bottom of the square concave reflection mirror board.
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