Funnel-shaped optical energy current density multiplier
A technology of flux density and multiplier, which is applied in the field of solar concentrators, can solve the problems of low concentrating efficiency of solar cells, the ratio of the area ratio of the light inlet to the light outlet can not reach a large concentrating multiple, and achieve high concentrating efficiency , Simple structure, easy molding effect
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Embodiment 1
[0012] Taking the inner diameter d of the light exit port as 30cm and the inner diameter D of the incident port equal to 10d as an example, the structure of the funnel-shaped light energy flux density multiplier is as follows:
[0013] exist figure 1 Among them, the geometric shape of the funnel-shaped optical energy flux density multiplier of the present embodiment is funnel-shaped, the inner diameter d of the light exit port is 30cm, the inner diameter D of the light incident port is equal to 10d, and the geometric shape of the inner surface of the side wall is a hyperbolic rotational surface, A hyperbolic surface of revolution is a hyperbolic equation in a Cartesian coordinate system
[0014] 4 x 2 d - y 2 ( nd ) 2 ...
Embodiment 2
[0017] Taking the inner diameter d of the light exit port as 30cm and the inner diameter D of the incident port equal to 5d as an example, the structure of the funnel-shaped light energy flux density multiplier is as follows:
[0018] The geometric shape of the funnel-shaped light energy flux density multiplier of this embodiment is funnel-shaped, the inner diameter d of the light exit port is 30cm, the inner diameter D of the light incident port is equal to 5d, and the geometric shape of the inner surface of the side wall is a hyperbolic rotational surface, hyperbolic The rotating curved surface is a rotating hyperboloid formed by rotating the hyperbolic equation in the Cartesian coordinate system as the generatrix and the y-axis as the central axis. The hyperbolic equation is the same as the hyperbolic equation (1) in Embodiment 1. The inner surface of the side wall of the funnel-shaped optical energy flux density multiplier is provided with an aluminum reflective film.
Embodiment 3
[0020] Taking the inner diameter d of the light exit port as 30cm and the inner diameter D of the incident port equal to 15d as an example, the structure of the funnel-shaped light energy flux density multiplier is as follows:
[0021] The geometric shape of the funnel-shaped light energy flux density multiplier of the present embodiment is funnel-shaped, the inner diameter d of the light exit port is 30cm, the inner diameter D of the light incident port is equal to 15d, and the geometric shape of the inner surface of the side wall is a hyperbolic rotational surface, hyperbolic The rotating surface is a rotating hyperboloid formed by rotating the hyperbolic equation in the Cartesian coordinate system as the generatrix, taking the y-axis as the central axis, and rotating the center line of the funnel-shaped light energy flux density multiplier as the rotating axis. The hyperbolic equation is the same as the hyperbolic equation (1) of Example 1. The inner surface of the side wal...
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