Laminating Roller Heating via Halogen Radiation and Feedback Control
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Solution Overview
Problem
Conventional laminating machines take a long time to reach operating temperature due to the slow heating of rollers, which can lead to inefficiency and potential damage from overheating when using halogen bulbs for heating.
Innovation Solution
A laminating device with a heat source, such as halogen bulbs, and a reflector system that directs energy efficiently to the rollers, combined with a temperature detection and control system using a processor to manage heating intensity and prevent overheating, allowing for rapid warming and maintaining optimal operating temperatures.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Temperature
If conventional resistance heating through heavy aluminum shoes is used, then the rollers can be maintained at desired operating temperature, but the machine takes a considerable length of time to reach suitable laminating temperature
Solution Approach 1:
The patent replaces the mechanical resistance heating system (aluminum shoes with heating elements) with an optical heating system using halogen bulbs that emit radiation directly onto the roller surfaces. This substitution of heating mechanism dramatically reduces heating time while achieving the same temperature maintenance function
Solution Approach 2:
The patent introduces a reflector as an intermediary component that concentrates and directs the radiation from halogen bulbs onto the roller surfaces. This intermediary device enhances the efficiency of heat transfer from the light source to the rollers, enabling rapid heating without direct contact
2Loss of time
If halogen bulbs are used to heat the rollers, then the heating time is reduced, but the intense heat may permanently damage the silicone roller surfaces and render the machine inoperable
Solution Approach 1:
The patent incorporates temperature sensing arrangements that continuously monitor the roller temperature and provide feedback to the control system. This feedback mechanism enables the system to adjust the intensity of halogen bulb operation, maintaining optimal heating while preventing excessive temperatures that could damage the roller surfaces
Solution Approach 2:
The patent implements dynamic control of the halogen bulb intensity based on real-time temperature conditions. The system adjusts the heating power dynamically rather than operating at fixed high intensity, allowing rapid heating when needed while automatically reducing intensity to prevent damage when rollers reach optimal temperature
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 enables rollers to reach operating temperature quickly, reducing heating time and preventing damage from excessive heat, ensuring efficient and reliable laminating operations while maintaining the rollers' integrity.
Implementation Method 1
heat the laminating roller by directing radiation from halogen bulbs onto the surfaces of the rollers
Implementation Method 2
a reflector positioned around the heat source for radiating energy from the heat source toward the laminating roller
Data Source
AI summary
A laminating arrangement includes a laminating roller, a heat source for heating the laminating roller, the heat source being powered by an AC power supply, and a heat source intensity control system for controlling the intensity of the heat source. The intensity control system includes a processor and a triode for alternating current communicating with the processor. The triode for alternating current is turned on and off by the processor to control the AC power supply to the heat source to vary the intensity of the heat source.