Smart Susceptor Induction Heating with Thermal Management
Find Innovative SolutionsGenerate Solutions
Solution Overview
Problem
Current inductively heated smart susceptor systems have limitations in achieving uniform heating across large areas and are inefficient for processing multiple parts due to long heating/cooling cycles and restricted part shapes.
Innovation Solution
A heating apparatus with a thermally conductive table and inductive heating circuit comprising parallel table induction coil circuits and smart susceptors, coupled with a thermal management system for rapid heating and cooling, allows for uniform temperature distribution and efficient processing of parts with varying shapes.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Device complexity
If a single inductive heating circuit is used, then the device complexity is reduced, but the uniformity of temperature distribution across large areas deteriorates
Solution Approach 1:
The inductive heating circuit is divided into multiple independent coil circuits arranged in parallel. Each coil circuit independently heats a specific zone, allowing for uniform temperature distribution across large areas while maintaining manageable device complexity through modular design.
2Temperature
If the table is heated to processing temperature, then the part can be thermally processed, but the heating/cooling cycle time increases when processing multiple parts
Solution Approach 1:
The thermal management system operates in periodic cycles, switching between heating mode (when parts need processing) and cooling mode (when parts are removed). This allows the table to be rapidly cooled between processing cycles, reducing the waiting time for the next part while maintaining processing temperature when needed.
3Manufacturing precision
If the heating apparatus is designed for specific part shapes, then the manufacturing precision is improved, but the adaptability to different part shapes deteriorates
Solution Approach 1:
The heating apparatus is designed with a universal table surface and adjustable positioning system that can accommodate various part shapes and sizes. The parallel coil circuit configuration allows flexible heating zone adjustment, enabling the same apparatus to precisely process different part geometries without requiring dedicated tooling for each shape.
4Device complexity
If the inductive heating circuit is simplified, then the device complexity is reduced, but the area over which uniform heating can be provided is limited
Solution Approach 1:
Multiple simpler coil circuits are arranged in parallel to collectively cover a large table surface area. Each individual coil circuit remains relatively simple, but their combined effect provides uniform heating across the entire large area, resolving the contradiction between circuit simplicity and heating area coverage.
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 apparatus achieves uniform temperature across larger areas and reduces heating/cooling cycles, enabling efficient processing of multiple parts with improved temperature control and flexibility in handling different shapes.
Implementation Method 1
A table inductive heating circuit is thermally coupled to the table and configured to generate a processing temperature at the table surface
Implementation Method 2
a table formed of a thermally conductive material
Implementation Method 3
each of the plurality of table induction coil circuits includes a table electrical conductor and a table smart susceptor having a Curie temperature
Implementation Method 4
A thermal management system is coupled to the back surface of the table and includes a chamber defining an interior space, at least one cooling fin disposed within the chamber, an inlet extending through the chamber and fluidly communicating with the interior space, and an outlet extending through the chamber and fluidly communicating with the interior space
Data Source
AI summary
Heating apparatus and methods for thermally processing a part including improved control of temperature. A thermal management system is coupled to a back surface of a table thermally coupled to an inductive heating circuit. The thermal management system includes a chamber defining an interior space, at least one cooling fin disposed within the chamber, an inlet extending through the chamber and fluidly communicating with the interior space, and an outlet extending through the chamber and fluidly communicating with the interior space. In some applications, an air source fluidly communicates with the inlet and is selectively operable to generate an air flow through the chamber, so that the thermal management system may be selectively operated in an insulator mode and a cooling mode.