Ceramic Metal-Halide Lamp Assembly with Resilient Coupling
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Solution Overview
Problem
Ceramic metal-halide lamps face limitations in achieving optimal 630 watts of power, unstable ceramic arc tubes, and suboptimal color temperatures, color renderings, and luminous efficacies, with existing lamps experiencing reduced light output and increased power consumption over their lifetime and susceptibility to damage from impact.
Innovation Solution
A 630 watt double-ended ceramic metal-halide lamp assembly with conductive and resilient U-shaped coupling mechanisms connecting ceramic arc tubes to sealed conductive ends, providing conductivity and buffering clearance, and a fastening bracket for stabilization, allowing operation at higher temperatures and improved performance.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Use of energy by moving object
If ceramic arc tubes are used to operate at higher temperatures, then luminous efficacy and color rendering are improved, but the ceramic arc tubes become susceptible to damage from impact and buffering forces
Solution Approach 1:
The patent applies beforehand cushioning by introducing a resilient coupling mechanism that absorbs and dampens impact forces before they can damage the ceramic arc tube. The coupling mechanism includes a resilient element positioned between the ceramic arc tube and the mounting structure, which cushions against buffering forces and prevents shock damage while allowing the tube to operate at high temperatures for improved luminous efficacy.
2Reliability
If ceramic arc tubes are used instead of quartz, then resistance to corrosion from metal halide salts is improved, but the lamp assembly complexity increases due to additional coupling mechanisms
Solution Approach 1:
The patent applies universality by designing a coupling mechanism that performs multiple functions simultaneously: it provides electrical conductivity, mechanical support, shock absorption, and corrosion protection. The resilient coupling mechanism serves as both an electrical conductor and a protective element, eliminating the need for separate components and thereby reducing overall assembly complexity despite the use of ceramic arc tubes for enhanced corrosion resistance.
3Stability of the object's composition
If the ceramic arc tubes are stabilized inside the container, then operational stability and color temperature consistency are improved, but the device complexity increases due to fastening brackets
Solution Approach 1:
The patent applies merging by integrating the fastening bracket function into the existing coupling mechanism structure. The resilient coupling mechanism is designed to simultaneously provide electrical connection, mechanical support, and positional stabilization of the ceramic arc tube. This consolidation eliminates the need for separate fastening brackets, reducing device complexity while maintaining color temperature stability through proper tube positioning.
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 solution enhances lighting at higher temperatures, improves color temperatures and luminous efficacies, extends the life span of the lamp, and reduces reactions with the ionizable gaseous mixture, while maintaining energy efficiency and stability against impactful forces.
Implementation Method 1
The ballast comprises at least one electrode generating an electric arc through the ionizable gaseous mixture
Implementation Method 2
The electric arc is operational to vaporize the gaseous mixture, which creates a plasma to generate illumination
Implementation Method 3
two U-shaped coupling mechanisms that connecting each of the ceramic arc tubes to one of the sealed conductive ends of the container to provide conductivity
Implementation Method 4
two conductive and resilient U-shaped coupling mechanisms that connecting each of the ceramic arc tubes
Implementation Method 5
ceramic arc tubes allow higher arc tube temperatures, which some manufacturers claim results in better efficacy, color rendering, and color stability
Data Source
AI summary
An enhanced lighting ceramic metal-halide lamp assembly provides a ceramic metal-halide lamp that operates to illuminate at high temperatures, have an increased life span, and improved color temperatures, color renderings, and luminous efficacies. The lamp assembly includes an at least partially transparent container forming a vacuum. Inside the container, a plurality of ceramic arc tubes are connected by two U-shaped coupling mechanisms. The coupling mechanisms are conductive and resilient, so as to provide both conductivity, and a buffering clearance between the ceramic arc tubes. The lamp assembly is also unique in that it provides a 630 watt double ended ceramic metal-halide lamp, as the ceramic arc tube produces 630 watts, uses about 200 volts and 3 Amps when illuminating. At least one fastening bracket, having resiliency, extends between the ceramic arc tube and inner surface of the container to help stabilize the ceramic arc tubes inside the elongated container.