Movable Lamp Optics for Beam Divergence Control
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Solution Overview
Problem
Existing lamp optics systems face challenges in achieving low beam divergence and variable light emission characteristics, with issues such as uncontrolled direct light components and corona-like effects leading to high beam divergence and limited adjustability of light emission settings.
Innovation Solution
A lamp optics system comprising a first optics with a conical shape and a second optics with a frusto-conical shape, where both are movable relative to each other along the optical axis, allowing for adjustments in light emission characteristics such as zooming, tilting, and color conversion by changing the relative position and orientation of the optics.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Shape
If CPC concentrators or TIR lenses are used to achieve low beam divergence, then beam divergence is reduced, but uncontrolled direct light components and corona-like rings appear, increasing beam divergence
Solution Approach 1:
The optical system is divided into two separate optics: a first optic (CPC concentrator) and a second optic (TIR lens). The first optic handles light concentration and eliminates direct light components, while the second optic handles beam shaping and directs light. This segmentation allows each optic to perform its function optimally without the harmful effects of using a single integrated optic.
Solution Approach 2:
The first optic acts as an intermediary between the light source and the second optic. It processes the light by eliminating uncontrolled direct light components and corona-like rings before the light reaches the second optic, which then shapes the beam. This intermediary function resolves the contradiction by preparing the light for optimal processing by the second optic.
2Adaptability or versatility
If geometric design is used to set defined light emission characteristics, then light emission characteristics are firmly defined, but the system cannot be adjusted without additional optical elements
Solution Approach 1:
The system uses movable mounting arrangements that allow the first and second optics to be positioned at different locations along the optical axis. By dynamically adjusting the positions of these optics, the system can change light emission characteristics such as beam angle and concentration without adding or removing optical elements, thereby achieving adaptability while maintaining relatively simple device complexity.
3Adaptability or versatility
If a single optic is used to achieve low beam divergence, then beam divergence is minimized, but light emission characteristics cannot be variable
Solution Approach 1:
The optical system is divided into two separate optics: a first optic (CPC concentrator) and a second optic (TIR lens). The first optic handles light concentration and eliminates direct light components, while the second optic handles beam shaping and directs light. This segmentation allows each optic to perform its function optimally without the harmful effects of using a single integrated optic.
Solution Approach 2:
The system uses movable mounting arrangements that allow the first and second optics to be positioned at different locations along the optical axis. By dynamically adjusting the positions of these optics, the system can change light emission characteristics such as beam angle and concentration without adding or removing optical elements, thereby achieving adaptability while maintaining relatively simple device 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
This configuration enables precise control over light emission characteristics, reducing beam divergence and eliminating uncontrolled light components, resulting in a more focused and adjustable light output.
Implementation Method 1
the side surface of the first optics connecting the light entry region with the tip - i.e. its outer contour - are preferably designed to be rotationally symmetrical... all light coupled into the first optics (via the light entry region) can preferably be redirected on the side surface of the first optics connecting the light entry region with the tip; preferably through total reflection on this side surface
Implementation Method 2
The second optics is further designed in such a way that light coupled out from the first optics (preferably into the opening or the opening) is coupled into the opening of the second optics and emitted from the second optics via a deflection surface of the second optics in a directed manner
Data Source
Figure 1~3(c)
Figure 4(a)~5
Figure 6~7(c)
AI summary
The present invention relates to an optical system (10) for a light having first optics (20), which taper to a tip (22) away from a light entry region (21), and second optics (30), which have an opening (31) into which at least the tip (22) of the first optics (20) projects. The second optics (30) broaden out from the first optics (20) towards a light output region (32) and are designed to couple in light coupled out of the first optical unit (20) into the opening (31) and to output (H) said light, directed by a deflection face (36) of the second optical unit (30), out of the second optical unit (30) via the light output region (32). The first optical unit (20) and the second optical unit (30) are consecutively arranged, as seen in the direction of an optical axis (R) of the optical system (10) for a light and can be moved relative to each other along the optical axis (R) in order to change a light output characteristic of the optical system (10) for a light. The invention also relates to an optical system for a light and to a light fixture having the optical system according to the invention.