Multifunction electric oven
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Solution Overview
Problem
Current electric ovens have limited multi-purpose functionality, low heating efficiency, and are not convenient for specific food shapes or BBQ applications due to their design, which restricts their application and leads to heat loss.
Innovation Solution
A multifunctional electric oven with a main body assembly, electric control assembly, upper acting door, and side acting door that form a closed heating cavity with a rotatable heating tube, allowing for various cooking modes such as BBQ, frying, and rotary roasting by adjusting the door positions and using a rotisserie kit, while minimizing heat transfer.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Adaptability or versatility
If a single door is used in traditional electric ovens, then the structure is simple, but it is difficult to accommodate long skewers for BBQ and limits food placement flexibility
Solution Approach 1:
The oven door is segmented into two separate doors: an upper door and a side door. This allows independent opening of each door, enabling long skewers to be inserted through the side door while keeping the upper door closed, and allows flexible food placement without requiring the entire door structure to be opened.
2Adaptability or versatility
If an open structure is used for BBQ appliances, then long skewers can be inserted, but heat loss is large and closed type roasting cannot be performed
Solution Approach 1:
The oven employs dynamic door configuration where the upper door and side door can be opened or closed independently based on the cooking mode. For closed roasting, both doors remain closed to retain heat. For BBQ with skewers, the side door opens while the upper door remains closed, minimizing heat loss while accommodating skewer insertion.
3Adaptability or versatility
If the heating tube is fixed in position, then the structure is simple, but it cannot adapt to different food shapes and heating methods
Solution Approach 1:
The heating tube is designed to be rotatable between horizontal and vertical positions. In horizontal position, it serves as a conventional heating element for baking. When rotated to vertical position, it becomes suitable for BBQ and rotisserie operations, allowing one heating tube to perform multiple heating functions for different food types and cooking methods.
Solution Approach 2:
A single heating tube structure performs multiple functions by changing its orientation. The same heating tube can be used for conventional baking (horizontal position), BBQ (vertical position with side door open), and rotisserie operations (vertical position with rotisserie kit), eliminating the need for separate heating elements for different cooking modes.
4Productivity
If traditional electric ovens are used, then the structure is simple, but heating efficiency is low and heating speed is slow
Solution Approach 1:
The rotatable heating tube enables periodic switching between different heating configurations. The heating tube can be rotated to optimal positions for different cooking stages, and doors can be opened or closed periodically based on cooking requirements, optimizing heat distribution and reducing energy loss throughout the cooking process.
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 easy food placement and method changes with high heating efficiency, energy savings, and convenience, allowing for the combination of previously incompatible cooking modes like BBQ and closed roasting.
Implementation Method 1
electric oven is a kind of kitchen appliances used for food baking by consuming electric energy to convert into heat energy
Implementation Method 2
The mentioned upper acting door (3) and/or the mentioned side acting door (4) with air interlayer, to reduce heat transfer to outside
Data Source
AI summary
A multifunctional electric oven is equipped so that it is easy to change the placement of food and to utilize different heating methods, with high heating efficiency, energy saving and convenient to operation. The multifunctional electric oven comprises a main body assembly, an electric control assembly, an upper acting door, and a side acting door. The electric assembly is located on the main body assembly. The upper acting door and the side acting door are located separately at the top and front of the main body assembly. When the two doors are closed they and the main body assembly together form a closed heating cavity with a heating tube inside. The heating tube can be rotated so as to be placed in a flat position or an upright position. The upper acting door and the side acting door can be opened or closed individually or jointly, to achieve different cooking functional modes.