Induction Rotary Roaster With Self-Powered Motor
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Solution Overview
Problem
Conventional rotary roasters face issues with heating uniformity, portability, and convenience due to separate power requirements and structural limitations, particularly when using induction heating and rotating mechanisms.
Innovation Solution
A rotary roaster design that incorporates an induction heating system with a motor-driven grill rotation, an oil dripping pan, and lateral surface heating coils, allowing for uniform heating of large areas, oil collection, and power induction from the heating coil, eliminating the need for a separate power source and enabling food turning and mixing.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Use of energy by moving object
If induction heating means is used to heat the roasting plate, then heating efficiency is improved, but heating uniformity deteriorates when the roasting plate area is wider than the induction heating means
Solution Approach 1:
The induction heating system is divided into multiple independent heating zones (first induction heating means and second induction heating means) positioned at different locations on the roasting plate. Each heating zone operates independently to heat specific regions, ensuring uniform temperature distribution across the entire large-area roasting plate while maintaining high heating efficiency through parallel operation of multiple heating elements.
2Manufacturing precision
If a motor is added to rotate the oven, then heating uniformity is improved, but device complexity and power source requirements increase
Solution Approach 1:
The system uses the waste heat generated during the induction heating process to drive a thermoelectric generator, which produces electricity to power the rotation motor. This self-service mechanism converts otherwise wasted thermal energy into useful mechanical work, enabling the oven to rotate automatically without requiring external power sources or increasing overall system complexity.
3Ease of operation
If the oven is made selectively openable and closable, then cooking control is improved, but steam discharge efficiency deteriorates and food texture quality decreases
Solution Approach 1:
The oven lid is designed with selective permeability characteristics - it remains closed during most of the cooking process to maintain temperature and allow cooking control, but includes specific regions with different thermal or structural properties that allow steam to escape at controlled rates. This local quality differentiation enables simultaneous achievement of cooking control and steam discharge efficiency without compromising food texture.
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 achieves uniform heating of large areas, improves portability by eliminating separate power needs, and ensures even cooking by rotating and mixing food, while maintaining efficient induction heating and oil management.
Implementation Method 1
The magnetic field generated in the induction heating means 330 may induce a current in the roasting plate 400, and the grill plate 400 may be heated by Joule's heat generated from the induced current.
Implementation Method 2
The magnetic field generated in the induction heating means 330 may induce a current in the roasting plate 400, and the grill plate 400 may be heated by Joule's heat generated from the induced current.
Data Source
AI summary
The present disclosure relates to a rotary roaster capable of uniformly heating the entire surface of a grill by means of an induction heating method. According to one embodiment, a rotary roaster operating on an induction heating device comprises a supporter, a grill rotatably coupled to the supporter, a motor configured to rotate the grill and a receiving coil provided on a bottom surface of the supporter and configured to provide a power induced by a working coil of the induction heating device to the motor.