Collimating Lens Array Adjustment for Multi-LED Optical Alignment
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Solution Overview
Problem
The existing light source systems using multiple LEDs with different characteristics suffer from low light efficiency due to misalignment of the main optical axes of the LEDs with the central axis of the collimating lens, leading to inefficient light collection.
Innovation Solution
A light source system with an adjusting mechanism that aligns the main optical axis of each LED chip with the central axis of the collimating lens through a displacement-adjustable collimating lens group, allowing for optimized light collection and switching between different lighting modes.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Adaptability or versatility
If multiple light emitting diodes with different characteristics are used to achieve different colors, color temperature, brightness and color rendering indexes, then the lighting performance is improved, but the light efficiency deteriorates due to misalignment of the main optical axis with the collimating lens central axis
Solution Approach 1:
The collimating lens group is made adjustable through the adjusting mechanism, allowing its position to be dynamically changed to align with different LED chips. The adjusting block can move the lens group along the optical path, enabling the main optical axis of each LED to overlap with the central axis of the corresponding collimating lens, thereby maximizing light collection efficiency while maintaining versatility for different lighting modes
Solution Approach 2:
The adjusting mechanism acts as an intermediary between the fixed LED chips and the collimating lens group. This intermediary device includes an adjusting block with moving components that can precisely position the lens group, serving as a mediator to resolve the misalignment issue without requiring changes to the LED chip positions or the lens design
2Loss of energy
If the collimating lens group is made adjustable to align the main optical axis with the central axis, then the light efficiency is improved, but the device complexity increases due to the adding of adjusting mechanism
Solution Approach 1:
The adjusting mechanism is segmented into independent functional modules: a mounting support for holding the lens group, an adjusting block with moving components, and limiting modules with springs for position control. This segmentation allows each component to perform its specific function while keeping the overall structure manageable and the adjustment process simple, minimizing the impact of added complexity
Solution Approach 2:
The limiting modules with springs provide automatic position limiting and resetting functionality. The springs automatically push the adjusting block to predetermined positions when released, and the limiting modules prevent over-travel, enabling the system to self-regulate without requiring complex control mechanisms or external intervention for basic position maintenance
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
Improves light efficiency by maximizing light collection and enabling switching between different lighting characteristics, such as color temperature, brightness, or color rendering indexes, while promoting energy conservation and environmental protection.
Implementation Method 1
light emitted from the light emitting diode is collected and emitted through a collimating lens
Data Source
AI summary
A light source system, comprising: a light source mechanism comprising a light source substrate and a plurality of light emitting diode modules provided on the light source substrate, wherein the light emitting diode module includes at least two light emitting diode chips; a collimating lens group comprising a lens support and collimating lens units provided on the lens support, wherein the collimating lens unit is configured for collecting exiting light of the light emitting diode module; and an adjusting mechanism comprising a mounting support and an adjusting block, wherein the lens support is assembled on the mounting support, and the adjusting block is configured for adjusting a displacement of the collimating lens group on the mounting support.