Pivotable Flat LED Lamp with Ball Joint and Metal Heat Sink
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Solution Overview
Problem
Existing built-in lamps lack the ability to easily adjust the direction of light emission, limiting their versatility and functionality in various applications.
Innovation Solution
A flat built-in lamp design featuring a ring-shaped LED arrangement around a central axis, utilizing a ball joint for tilting and pivoting, allowing directional adjustment and efficient heat dissipation through a metal housing element.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Adaptability or versatility
If a built-in lamp is designed with a fixed lighting unit, then the structure is simple and stable, but the direction of light emission cannot be adjusted
Solution Approach 1:
The lighting unit is made dynamically adjustable through a ball joint mechanism that allows the lighting unit to be tilted and rotated to different positions. The ball joint comprises a ball portion on the lighting unit that engages with a socket in the housing, enabling continuous adjustment of the light emission direction while maintaining a relatively simple overall structure.
2Adaptability or versatility
If the lighting unit is made pivotable to adjust light direction, then versatility is improved, but the available space for pivoting is limited
Solution Approach 1:
The ball joint mechanism enables the lighting unit to pivot in multiple dimensions - both tilting forward/backward and rotating left/right. This multi-dimensional movement capability allows extensive light direction adjustment within the limited space of a standard recessed lighting opening, maximizing the usable adjustment range without requiring additional installation space.
3Illumination intensity
If LEDs are arranged in a ring-shaped configuration, then aesthetic appearance and light distribution are improved, but heat dissipation becomes more challenging
Solution Approach 1:
A metal housing element is introduced as an intermediary heat dissipation component. This metal element is in direct thermal contact with the LED ring and extends outward from the housing opening, creating an extended heat dissipation path that efficiently conducts heat away from the LEDs while preserving the aesthetic ring-shaped light distribution pattern.
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 easy directional control of light emission and effective heat management, enhancing the lamp's versatility and performance in installations such as furniture and outdoor applications.
Implementation Method 1
A flat built-in lamp design featuring a ring-shaped LED arrangement around a central axis, utilizing a ball joint for tilting and pivoting
Implementation Method 2
The lighting unit has at least one ring-shaped arrangement of a plurality of LED lighting means... the lighting unit having at least one ring-shaped arrangement of a plurality of LED lighting means
Data Source
Figure 1~2
AI summary
The lamp has a flat housing (10), which has a housing opening (12) on a flat front side, and a flat luminous unit (20), which is held in the housing opening through a joint. The luminous unit is tilted relative to the housing opening in two directions. The luminous unit has multiple light emitting diode-illuminants, which are arranged around an axis running transverse to the flat luminous unit.