Conveyor Oven with Variable Speed Belt and Zoned Heating
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Solution Overview
Problem
Conveyor ovens are inefficient when cooking a variety of food items that require different cooking times and thermal profiles, as they are optimized for uniform cooking of similar items.
Innovation Solution
A conveyor oven design with a housing, conveyor belt, and heat source that includes a control panel for setting specific cooking times and thermal profiles for different food items, along with doors to prevent heat loss, and a heating and airflow system with nozzles to direct hot air for precise cooking.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Productivity
If conveyor oven uses fixed thermal profile and cooking time settings optimized for uniform cooking, then cooking efficiency for similar items is improved, but adaptability to cook diverse food items with different thermal requirements deteriorates
Solution Approach 1:
The conveyor oven implements variable speed conveyor belts that can adjust their speed according to different food items being cooked. This dynamic adjustment allows the same conveyor oven to handle diverse food items with different cooking time requirements, resolving the contradiction between fixed optimized settings and adaptability to variety.
Solution Approach 2:
The system allows changing of cooking parameters including temperature, cooking time, and conveyor belt speed based on the specific food item being cooked. By enabling parameter changes, the oven can be optimized for each type of food while maintaining continuous operation capability.
2Ease of operation
If conveyor oven operates with open doors for continuous loading and unloading, then ease of operation is improved, but heat loss increases
Solution Approach 1:
The conveyor oven is divided into multiple independently controllable heating zones along the conveyor path. This segmentation allows different sections to operate at different temperatures and can be independently managed, enabling the oven to maintain heat efficiency while allowing continuous loading and unloading at different ends.
Solution Approach 2:
The conveyor belt system enables continuous operation where food items are constantly moving through the heating zones. This continuous action allows the oven to maintain steady-state operation with minimal door opening, as loading and unloading can occur simultaneously at different ends while the conveyor maintains continuous motion.
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
Enables continuous, precise cooking of diverse food items while minimizing heat loss and improving energy efficiency by allowing customizable cooking parameters and heat distribution.
Implementation Method 1
a heating and airflow system with nozzles to direct hot air for precise cooking
Implementation Method 2
a heating and airflow system with nozzles to direct hot air for precise cooking
Data Source
AI summary
A conveyor oven is disclosed. The conveyor oven includes a housing, a conveyor belt, a first and second doors, and a heat source. The housing includes a cavity and a first and second openings. The conveyor belt is configured to receive and transport food items in and out of the cavity through the first and second openings. The conveyor belt includes a loading section and an unloading section for food. The first and second doors cover first and second openings, respectively, in order to prevent heat within the cavity from escaping through the first and second openings during operation. Configured to provide different cooking times and thermal profiles to various types of food items, the heat source provides heat to the cavity for heating up any food item placed on a portion of the conveyor belt located within the cavity.