Motorized Toaster Carriage Control for Mid-Cycle Toast Inspection
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Solution Overview
Problem
Conventional toasters lack a feature to compensate for toast cycle time adjustments during mid-cycle inspection, leading to inconsistent toasting results as the cycle is interrupted and shortened when manually inspected, resulting in toast that may be darker than intended.
Innovation Solution
A motorized toaster with electronic controls allows users to elevate the toast carriage mid-cycle for inspection, automatically returning it to the toasting position, enabling cycle time compensation by adding the inspection duration to the total toasting time and allowing users to cancel or extend the cycle as needed.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Ease of operation
If manual mid-cycle inspection is implemented, then users can observe toast browning extent, but the toasting cycle time is shortened resulting in inconsistent toasting
Solution Approach 1:
The system provides visual feedback by elevating the carriage to an inspection position where users can observe the toast through a window, then uses this feedback to automatically adjust the remaining toasting time to compensate for the inspection interruption, maintaining consistent toasting results
Solution Approach 2:
The toasting system dynamically adjusts the toasting cycle based on user inspection needs, automatically extending the cycle time when inspection occurs and modifying the carriage movement schedule to accommodate mid-cycle observations without compromising final toasting consistency
2Reliability
If toasting cycle is extended for inspection, then users can inspect toast without interrupting heating, but the total toasting time increases
Solution Approach 1:
The system implements periodic inspection opportunities during the toasting cycle by automatically elevating the carriage to an inspection position at predetermined intervals, allowing users to observe toast browning without continuous interruption of the heating 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
This solution ensures consistent toasting by allowing for accurate mid-cycle inspection without interrupting the cycle, ensuring the toast is toasted to the user's desired level of browning, preventing over-toasting and achieving precise control over toasting times.
Implementation Method 1
a lower position that corresponds with the toaster's heating elements being energised or 'on'
Implementation Method 2
the toaster's heating elements being energised or 'on'
Implementation Method 3
an electric motor 16 that exercises electronic control over an electric motor 16
Data Source
AI summary
A motorised toaster with heating elements has a user input that communicates with an electronic device that controls an electric motor. A reciprocating toast carriage is under the influence of the motor. A user activated control is adapted to cause an inspection subroutine, the subroutine being the motorised elevation of the carriage and without further user input and a returning of the carriage to the lower position during a toast cycle. The control is also adapted to provide additional toasting for a predefined extension period.