Rotating Arc Lens for Dynamic Projection Clarity
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Solution Overview
Problem
Existing projection lamps provide poor dynamic projection effects as they rotate patterns around a single central point, resulting in unclear and limited dynamic projection experiences.
Innovation Solution
A projection lamp design featuring a light source, spotlight assembly, film projection assembly, and motor-driven rotating lens with arc surfaces, which circularly moves the optical signal through the edge, center, and edge of the lens structures, creating a gradual change in pattern brightness from periphery to center and back, enhancing dynamic projection effects.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Ease of operation
If a motor driving assembly drives films to rotate around one single central point, then the projection system achieves dynamic projection effects, but the dynamic projection effects are poor and patterns are unclear
Solution Approach 1:
The lens is divided into multiple independent lens structures (first lens structure, second lens structure, third lens structure, fourth lens structure) with different optical characteristics. Each lens structure projects patterns around different central points, segmenting the single rotation center into multiple centers. This segmentation allows different regions of the projection surface to be illuminated by appropriate lens structures at different times, improving both dynamic effects and pattern clarity.
Solution Approach 2:
The patent introduces dynamic switching between multiple lens structures through a control unit. The lens structures are switched in sequence or randomly to project different patterns dynamically. This dynamic switching mechanism enhances the dynamic projection effects while maintaining clear patterns by ensuring that each lens structure operates optimally for its specific projection region.
2Ease of operation
If multiple lens structures with different focal lengths are used to project patterns around different central points, then dynamic projection effects are improved, but the device complexity increases
Solution Approach 1:
Multiple lens structures with different focal lengths and optical characteristics are merged into a single lens assembly. The first, second, third, and fourth lens structures are integrated such that they share a common mounting interface and optical path. This merging approach achieves the function of multiple independent projection systems while reducing overall device complexity compared to having separate projection assemblies.
Solution Approach 2:
The lens assembly is designed with multi-functionality, where a single lens assembly performs the functions of multiple lens structures with different focal lengths. The lens assembly can switch between different projection modes (different central points, different patterns) without requiring separate projection systems, thereby reducing device complexity while maintaining enhanced dynamic projection effects.
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 design achieves clear and improved dynamic projection effects by varying pattern brightness and clarity, providing a more engaging and effective projection experience compared to traditional systems.
Implementation Method 1
The first surface is an arc surface protruding towards the film projection assembly. An output shaft of the motor penetrates through the spotlight assembly and the film projection assembly. The output shaft of the motor is fixedly connected to the lens. The motor drives the lens to rotate.
Implementation Method 2
The motor drives the lens to rotate
Implementation Method 3
The spotlight assembly includes condensing lenses directly facing the light source
Data Source
AI summary
A projection lamp includes a light source, a spotlight assembly, a film projection assembly, a lens, and a motor. The spotlight assembly is disposed in a light emitting direction of the light source, and the spotlight assembly includes condensing lenses directly facing the light source. The film projection assembly is disposed on one side, distal from the light source, of the spotlight assembly. The lens is disposed on one side, distal from the light source, of the film projection assembly. The lens includes a plurality of lens structures, and each of the plurality of lens structures includes a first surface facing the film projection assembly. The first surface is an arc surface protruding towards the film projection assembly. An output shaft of the motor is penetrated through the spotlight assembly and the film projection assembly. The output shaft of the motor is fixedly connected to the lens.