Automated Joule Heating Coating System for Bearing Surfaces
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Solution Overview
Problem
Manual application of conductive busbars onto plastic supports for thermal windscreens and photovoltaic panels is costly, lacks reproducibility, and results in high production rejects due to inconsistent heating, leading to incomplete or damaged joints.
Innovation Solution
An automated system using a heating device that applies heat by the Joule effect, with sliding or rotating electrodes to maintain consistent temperature and movement along the application path, reducing manual labor and improving quality control.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Manufacturing precision
If manual application method is used, then positioning accuracy can be achieved through operator skill, but manufacturing cost and production time increase significantly
Solution Approach 1:
The patent replaces the manual mechanical positioning system with an automated positioning system that uses programmable movement controls. The heating device is mounted on a movable platform that can be automatically positioned along the application path, eliminating the need for manual operator intervention while maintaining precise positioning through automated feedback control mechanisms.
Solution Approach 2:
The system incorporates self-regulating heating control where the heating device automatically adjusts its operation based on temperature feedback from sensors. The controller monitors the heating process and autonomously controls the heating power to maintain optimal temperature, eliminating the need for continuous manual adjustment while ensuring consistent heating quality.
2Reliability
If manual heating control is used, then operator experience can ensure quality, but reproducibility of quality decreases
Solution Approach 1:
The patent implements a closed-loop feedback control system where temperature sensors continuously monitor the heating zone and provide real-time data to the controller. The controller automatically adjusts heating power based on this feedback, ensuring that the heating process remains within optimal parameters and producing consistent, reproducible results regardless of operator variation.
Solution Approach 2:
The system enables precise control and standardization of heating parameters such as temperature, heating duration, and movement speed through programmable settings. These parameters can be consistently replicated across different production runs, ensuring high reproducibility of quality without depending on individual operator experience.
3Manufacturing precision
If heating temperature is increased to ensure complete application, then application completeness improves, but risk of plastic support deterioration increases
Solution Approach 1:
The patent employs precise temperature control through programmable heating parameters that can be optimized for each specific application. The system can adjust heating temperature, duration, and distribution to achieve complete application of the coating element while maintaining the temperature below the degradation threshold of the plastic support material.
Solution Approach 2:
The heating device is designed to provide localized and uniform heat distribution only to the specific zone where the coating element contacts the plastic support. This concentrated heating approach ensures complete application at the joining zone without exposing the entire plastic support to excessive heat, thereby preventing deterioration.
4Object-affected harmful factors
If heating temperature is decreased to protect plastic support, then material damage reduces, but application completeness decreases
Solution Approach 1:
The patent maintains continuous heating action throughout the application process, ensuring that the heating zone continuously receives sufficient thermal energy to complete the bonding of the coating element. The automated movement system ensures uninterrupted contact between the heating device and the application zone, providing consistent heat input that achieves complete application without requiring excessive temperature peaks that could damage the plastic support.
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 automated system significantly reduces production time and rejects by ensuring consistent and controlled application of the coating elements, enhancing the reproducibility and quality of the end product.
Implementation Method 1
heating a portion of the coating element in a configuration where there is contact between the heating device and the portion of coating element... by means of heat obtained by the so-called Joule effect
Data Source
AI summary
System (2) for automatically applying a coating element (4) to a support surface comprises a heating device (1) for applying the coating element (4) along an application path of the support surface, by administration of heat obtained by the Joule effect, comprising a first electrode (5) and a second electrode (6) which can be connected to an electric power generator and are configured to form a part of an electric circuit, a portion of the coating element (4) being able to be arranged between the first electrode (5) and the second electrode (6), so as to close the electric circuit, such that the Joule effect heats the portion of the coating element (4) following a flow of current in the electric circuit, the overall configuration of the heating device being such that the first electrode (5) and the second electrode (6) are able to be moved with respect to the coating element (4) during application of the coating element (4) to the support surface, and an automatic movement device (3) being able to move the device (1) along a path for applying the coating element (4) to the support surface.