Expandable Lighting Element Using Differential Thermal Expansion
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Solution Overview
Problem
Conventional lighting system elements, such as heat sinks, often have bulky shapes that complicate transportation, storage, and installation due to their designed functionality, increasing production costs and logistical challenges.
Innovation Solution
An element for a lighting system comprising two materials with different expansion coefficients that change shape in response to stimuli like heat, light, or electric current, allowing for a compact form during transport and storage to expand for optimal functionality within the system.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If an element has a bulky shape designed for optimal functionality (e.g., large heat dissipation surface), then its functional performance is improved, but its ease of transport and storage deteriorates
Solution Approach 1:
The element transitions from a compact first shape during transport to an expanded second shape during operation. The housing includes expandable structures such as bellows or accordion-like sections that allow the element to dynamically change its volume and shape, providing optimal functional surface area when deployed while maintaining compactness for logistics.
Solution Approach 2:
The element is designed to nest within itself or within the housing when in the compact first shape. The expandable housing allows the functional components to be contained in a reduced configuration during transport, similar to nested dolls, and then expanded to full functional size when installed and activated.
2Reliability
If an element has a bulky shape designed for optimal functionality, then its functional performance is improved, but the device complexity increases
Solution Approach 1:
The housing incorporates flexible or collapsible wall sections that can be compressed and expanded. These flexible structures allow the element to transition between compact and expanded states without requiring complex mechanical assemblies, joints, or fastening mechanisms, thereby maintaining simplicity while enabling shape transformation.
Solution Approach 2:
The element employs simple dynamic structures such as spring-loaded expansion mechanisms or elastic bellows that automatically transition between states based on installation conditions, avoiding the need for complex control systems, motors, or actuators.
3Reliability
If an element has a bulky shape designed for optimal functionality, then its functional performance is improved, but the difficulty of installation increases
Solution Approach 1:
The element is supplied in a compact first shape that can be easily maneuvered through access openings and installed in tight spaces. Once installed, the element is expanded to its functional second shape, providing full heat dissipation or light guiding surface area without requiring the installation opening to accommodate the full functional dimensions.
Solution Approach 2:
The housing is divided into expandable sections that can be sequentially deployed after installation. This segmentation allows the element to be installed in a compact state and then expanded in-place, avoiding the need to maneuver the entire functional structure through the installation opening.
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
This solution enables efficient transportation and installation while enhancing the element's functional performance, such as heat dissipation or light guidance, by altering its shape in response to environmental stimuli, thus addressing the bulkiness and installation issues of traditional elements.
Implementation Method 1
The first material and the second material have different expansion coefficients with regard to one or more types of stimuli. That is, with regard to one or more types of stimuli an expansion coefficient of the first material is different to an expansion coefficient of the second material.
Data Source
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AI summary
The present invention provides an element (1) for a lighting system. The element comprises a first part (2) and a second part (3). The first part (2) is made of at least a first material and a second material, the first material and the second material having different expansion coefficients with regard to one or more types of stimuli. The first material and second material are arranged such that a shape of the first part (2) changes from a first shape to a second shape due to an expansion or contraction of the first material and second material caused by an exposure of the element (1) to the one or more types of stimuli. The second part (3) maintains its shape when the element (1) is exposed to the one or more types of stimuli.