Wall Lamp Lens Adjustment for Variable Beam Angle
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Solution Overview
Problem
Wall lamps in existing technologies have a fixed light radiation range and intensity, limiting their applicability to various application scenarios.
Innovation Solution
The wall lamp design includes a movable lens, a connecting member with a rack, and a transmission member with a gear mechanism that allows for adjustable light emission angles by rotating the transmission member, enabling adjustable light radiation range and intensity.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Adaptability or versatility
If the wall lamp uses a fixed lens position, then the structure is simple, but the light radiation range and intensity are limited
Solution Approach 1:
The lens is designed to be movable rather than fixed, allowing it to adjust its position along the optical axis. This dynamic structure enables the light radiation angle to be changed, expanding the light radiation range from a single fixed angle to multiple adjustable angles, thereby resolving the contradiction between adaptability and structural simplicity.
Solution Approach 2:
The wall lamp is designed with adjustable lens positioning capability, allowing it to serve multiple lighting scenarios (e.g., wide-angle illumination for ambient lighting, narrow-angle for focused task lighting). This multi-functionality enables a single device to adapt to various application requirements, improving versatility without proportionally increasing complexity.
2Illumination intensity
If the wall lamp uses a fixed lens position, then the structure is simple, but the light irradiation intensity is limited
Solution Approach 1:
By making the lens position adjustable along the optical axis, the system can dynamically change the light irradiation intensity. When the lens is positioned closer to the light source, the light beam is more concentrated, increasing irradiation intensity for focused applications. This dynamic adjustment capability allows the same structure to provide varying intensity levels without adding complex optical systems.
3Adaptability or versatility
If the lens is made movable to adjust light angle, then the light radiation range is enriched, but the device complexity increases
Solution Approach 1:
The patent replaces complex mechanical adjustment mechanisms with a simpler optical design. Instead of using motors, sensors, or complex linkages to adjust the light angle, the invention uses a movable lens that can be positioned at different locations along the optical axis. This approach achieves angle adjustment through purely optical means, significantly reducing mechanical complexity while maintaining adaptability.
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 adjustable light emission angles enhance the applicability of the wall lamp to diverse scenarios by enriching its light radiation range and intensity.
Implementation Method 1
a lens, provided between the light-emitting module and the light outlet and movable in an alignment direction between the light-emitting module and the light outlet
Implementation Method 2
a connecting member, at least partially provided within the mounting cavity and connected to the lens, the connecting member comprising a rack, which extends along a movement direction of the lens; and a transmission member, arranged through the limiting hole, the transmission member comprising a first gear engaged with the rack
Data Source
AI summary
A wall lamp, including a housing, a light-emitting module, a lens, a connecting member, and a transmission member. The housing is provided with a mounting cavity and a limiting hole, and the mounting cavity has at least one light outlet. The light-emitting module is provided in the mounting cavity and has a light-emitting side facing the light outlet. The lens is provided between the light-emitting module and the light outlet and is movable in an alignment direction between the light-emitting module and the light outlet. The connecting member is at least partially provided in the mounting cavity and connected to the lens and includes a rack, which extends along the movement direction of the lens. The transmission member is arranged through the limiting hole and includes a first gear engaged with the rack, which is rotatable along a same axis when driven by an external force.