Modular UV Irradiation Reflector for Substrates
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Solution Overview
Problem
Existing UV irradiation units for substrates in web form face challenges in adapting reflector geometry for optimal UV light distribution and thermal management, particularly under continuous industrial operation and varying temperature stress, with fixed reflector designs limiting flexibility and maintenance.
Innovation Solution
A modular reflector arrangement featuring interchangeable support and reflector profiles made of solid aluminum, allowing adjustable geometry and thermal management through screw connections and cooling systems, enabling flexible adaptation to process conditions and easy maintenance.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Adaptability or versatility
If flexible metal strips are clamped onto the housing as a reflector, then the reflector can be installed, but it cannot be adapted to specific reflector geometries and questions its reliability under temperature stress
Solution Approach 1:
The reflector is divided into multiple segments that can be independently positioned and adjusted. Each segment can be separately adapted to achieve the desired geometry while maintaining structural integrity under thermal stress.
Solution Approach 2:
The reflector design transitions from a fixed clamped structure to an adjustable dynamic system where the geometry can be modified. The reflector segments can be repositioned to achieve optimal geometries for different operating conditions while maintaining reliable contact with the housing.
2Ease of operation
If a fixed reflector design is used, then the structure is simple, but it limits flexibility for adapting to varying process conditions and maintenance
Solution Approach 1:
The reflector is segmented into adjustable sections that can be independently accessed for maintenance and repositioned for different process conditions. This segmentation enables both easy maintenance access and adaptability to varying requirements.
Solution Approach 2:
The reflector system incorporates adjustable elements that allow modification of the reflector geometry according to different process conditions. The dynamic adjustment capability maintains operational flexibility while preserving maintenance accessibility.
3Ease of manufacture
If the reflector geometry is fixed, then manufacturing is simple, but costly reconfigurations are needed for different applications
Solution Approach 1:
The reflector is manufactured as segmented components using simple processes, then assembled into application-specific configurations. This segmentation allows standard manufacturing of individual parts while enabling custom geometries through assembly, avoiding costly reconfigurations.
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 modular design enhances adaptability and thermal resistance, reducing costly reconfigurations and maintaining high UV light efficiency while allowing for quick interchangeability and effective heat management, ensuring reliable operation under varying conditions.
Implementation Method 1
a reflector arrangement that extends along the UV lamp
Implementation Method 2
the reflector profile and the support profile can be brought into whole-area heat conduction contact with one another
Implementation Method 3
cooling systems, enabling flexible adaptation to process conditions and easy maintenance
Data Source
AI summary
The invention relates to an irradiation unit for the UV irradiation of particularly web-shaped substrates, comprising a housing (10), a tubular UV lamp (12), arranged therein and a reflector arrangement (14), running along the UV lamp (12). According to the invention, a simple exchangeability may be achieved, whereby the reflector arrangement comprises a support profile (22), retained in the housing (10) and a reflector profile (24), embodied as a shape-retaining molded piece which may be detachably connected thereto.