Spotlight Luminaire Groups for Homogeneous Illumination
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Solution Overview
Problem
Existing headlights struggle to maintain homogeneous intensity distributions on illuminated surfaces when the direction of radiation changes, leading to inhomogeneous exposure and a disturbing visual effect.
Innovation Solution
A headlight design featuring multiple groups of pivotable luminous bodies with adjustable focus, allowing for independent alignment and intensity control of each group to ensure uniform illumination across different areas, preventing the widening of illumination fields and maintaining consistent irradiance.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Adaptability or versatility
If the beam direction of the emitted light cone is changed, then different areas of the building or stage area can be illuminated, but the illuminated area changes size and intensity becomes inhomogeneous
Solution Approach 1:
The light source is divided into multiple luminaires arranged in groups, where each group can be independently pivoted. This segmentation allows different groups to illuminate different areas while maintaining uniform intensity through independent control of each group's orientation and focus.
Solution Approach 2:
The luminaires are equipped with pivotable mounting arrangements that enable dynamic adjustment of the beam direction. Each luminaire group can be independently rotated around a pivot axis, allowing the illumination pattern to be dynamically adapted while maintaining homogeneous intensity distribution across the illuminated surface.
2Adaptability or versatility
If interchangeable optical modules are used to change beam pattern, then beam characteristics can be adjusted, but the device complexity increases significantly
Solution Approach 1:
Instead of using interchangeable optical modules, the invention employs pivotable luminaire groups with adjustable focus mechanisms. Each luminaire can be dynamically repositioned and refocused to achieve different beam patterns, eliminating the need for physical module changes while providing equivalent adaptability.
Solution Approach 2:
The beam pattern is controlled by changing the orientation parameters (pivot angle) and focus parameters of each luminaire group rather than by physically replacing optical components. This parameter-based control simplifies the device structure while maintaining versatility in beam pattern adjustment.
3Illumination intensity
If multiple pivotable luminaire groups are used to illuminate different areas, then homogeneous intensity distribution can be achieved, but the device complexity increases
Solution Approach 1:
The lighting system is segmented into multiple luminaire groups that can be independently controlled. Each group targets a specific area with optimized illumination, and the collective effect achieves homogeneous overall intensity distribution while keeping individual components relatively simple.
Solution Approach 2:
Each luminaire group serves multiple functions: it can be pivoted to change illumination direction, focused to adjust beam spread, and collectively contributes to homogeneous overall illumination. This multi-functionality reduces the need for separate systems for each function, thereby managing complexity.
Applied Scientific Principles
This section explains which scientific principles are used to turn an abstract innovation direction into a practical engineering solution.
Function Achieved in This Case
The solution achieves a uniform optical impression over large areas by allowing for dynamic adjustment of illumination fields and intensities, preventing the inhomogeneous exposure issues common in prior art headlights.
Implementation Method 1
a light source (LK) generating electromagnetic radiation in a range perceptible to the human eye
Implementation Method 2
each luminaire (LK) is provided with a lens (LI) for focusing the emitted electromagnetic radiation
Implementation Method 3
The light sources are equipped with a reflector positioned in the beam direction, which enables focusing
Data Source
Figure 1
Figure 2
Figure 3~4
AI summary
A spotlight (SW) for illuminating an object, in particular a building facade or a stage area, is described, comprising a housing (GE) and a light source generating electromagnetic radiation in a range perceptible to the human eye, wherein the light source has a plurality of luminaires (LK) arranged in several groups (GR), wherein each of the groups (GR) of luminaires (LK) is individually pivotable with respect to the housing (GE) so that each of the groups of luminaires is able to illuminate the object in an illumination field assigned to the respective group of luminaires, wherein the groups of luminaires each have an adjustable focus so that the same dimensions and/or illumination intensities can be set on the object to be illuminated for different illumination fields.