Lighting unit and luminaire for road and/or street lighting
A lighting unit and street lighting technology, applied in the field of illuminators, can solve problems such as complexity, changes in light distribution, and difficult light distribution characteristics of illuminators, and achieve the effect of compact arrangement and high efficiency
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[0029] Before discussing the luminaire of the present invention in more detail, reference will be made to figure 1 Briefly describe the problem of street lighting. The figure shows a situation in side view where the street lighting luminaire 100 is located next to a road 110 with sidewalks 115 on both sides of the road 110 . The light emitted from the lighting head 101 of the street lighting luminaire 100 should be directed in such a way that most of the light is directed to the road 110 itself. Therefore, it is desirable to first obtain a high-brightness first light dihedral A that illuminates the road 110 . However, the sidewalks 115 on either side of the road 110 should not be completely dark, so two additional smaller low luminance dihedral sections B and C are required. Therefore, the lighting head 101 of the luminaire 100 must have specific light emission characteristics that lead in particular to a symmetrical light distribution along the C90-C270 plane, ie in the tra...
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