Spherical Housing Downlight with Elastic Engagement
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Solution Overview
Problem
Conventional downlight devices lack flexibility in adjusting light direction and patterns, which limits their functionality in applications requiring focused or varied lighting.
Innovation Solution
A downlight apparatus featuring a rotation housing with a spherical inner surface, an elastic structure, and a spherical housing that allows for adjustable light direction through engagement and disengagement with the rotation housing, along with interchangeable lens covers for different light patterns, and a driver that automatically adjusts the light source settings based on the installed lens type.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Stability of the object's composition
If the downlight device uses a fixed housing structure, then the manufacturing precision and structural stability are improved, but the adaptability for changing light direction and patterns deteriorates
Solution Approach 1:
The housing is divided into a fixed housing and a rotatable housing as separate segments. The fixed housing provides structural stability and mounting support, while the rotatable housing can be independently rotated to change light direction. This segmentation allows each part to fulfill its specific function without compromising the other.
Solution Approach 2:
The rotatable housing is designed to be dynamically adjustable relative to the fixed housing. By introducing rotational freedom between the two housing segments, the system transitions from a completely static structure to one with controlled dynamic capability, enabling light direction adjustment while maintaining overall structural integrity.
2Device complexity
If the downlight device uses a simple fixed structure, then the device complexity is reduced, but the functionality for adjusting light direction and patterns deteriorates
Solution Approach 1:
The lighting system is segmented into multiple functional modules: the fixed housing for mounting, the rotatable housing for direction adjustment, and interchangeable lens covers for pattern control. This modular segmentation allows each component to be simple in itself while the combination provides complex functionality.
Solution Approach 2:
The rotatable housing serves multiple functions: it enables light direction adjustment, provides a mounting interface for different lens covers, and maintains structural connection between the fixed housing and light source assembly. This multi-functionality reduces the need for separate components.
3Ease of operation
If the downlight device uses an elastic engagement structure, then the ease of operation for adjusting light direction is improved, but the device complexity increases
Solution Approach 1:
The elastic engagement structure is designed to automatically engage and disengage the rotatable housing with the fixed housing without requiring external tools or complex mechanisms. The elastic deformation of the engagement components provides the necessary force for both locking and releasing, making the system self-servicing.
Solution Approach 2:
The traditional mechanical locking mechanism with multiple screws or clips is replaced by an elastic engagement structure that uses elastic deformation instead of complex mechanical interlocking. This substitution simplifies the overall mechanism while maintaining the engagement function.
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
Enables flexible and customizable light direction and patterns, ensuring optimal lighting for various applications by allowing users to easily change the light output angle and pattern, while maintaining efficient heat dissipation and remote control capabilities.
Implementation Method 1
The elastic structure presses the spherical housing to engage the rotation housing applying an elastic force to keep the spherical housing to stay at an engaged position with respect to the rotation housing. When an external force is applied to the spherical housing to deform the elastic structure, the spherical housing is escaped from the engaged position
Implementation Method 2
The light source emits light through the bottom opening of the rotation housing
Data Source
AI summary
A downlight apparatus includes a rotation housing, a spherical housing, a light source and an elastic structure. The rotation housing has a spherical inner surface and a bottom opening. The spherical housing has a spherical outer surface corresponding to the spherical inner surface. The elastic structure presses the spherical housing to engage the rotation housing applying an elastic force to keep the spherical housing to stay at an engaged position with respect to the rotation housing. When an external force is applied to the spherical housing to deform the elastic structure, the spherical housing is escaped from the engaged position and rotatable with respect to the rotation housing until another engaged position is determined by releasing the external force.