Kitchen appliance comprising a weighing sensor assembly
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Solution Overview
Problem
Existing kitchen appliances with integrated weighing systems face challenges in accurately tracking the weight of contents in the food preparation chamber due to the influence of the storage container, especially when the appliance includes a storage container that remains unchanged during delivery, and the integration of weighing sensors with food preparation functionality interferes with each other.
Innovation Solution
A kitchen appliance design that includes a support member for the storage container and a weighing sensor assembly that supports the main assembly except for the storage container, allowing precise weighing of the food preparation chamber by excluding the storage container's weight, with the sensor assembly positioned to avoid interference from food preparation functionality.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Measurement precision
If weighing sensors are installed inside the main assembly to weigh the food preparation chamber, then measurement precision is improved, but device complexity and interference with food preparation functionality increase
Solution Approach 1:
The weighing sensor assembly is extracted from the interior of the main assembly and positioned externally on the table-top facing side. This extraction eliminates interference with food preparation functionality while maintaining weight measurement capability through the support member configuration that isolates the storage container weight.
2Ease of manufacture
If the whole kitchen appliance stands on weighing sensors, then ease of manufacture is improved, but measurement precision deteriorates due to inability to track food preparation chamber weight specifically
Solution Approach 1:
The weighing system is segmented into two functional parts: the support member that carries the storage container and the weighing sensor assembly that measures the main assembly excluding the storage container. This segmentation enables specific tracking of food preparation chamber weight changes while keeping the storage container weight separate, achieving precise measurement without complex internal sensor installation.
3Measurement precision
If weighing sensors are arranged inside the main assembly, then measurement precision is improved, but reliability deteriorates due to interference with food preparation functionality
Solution Approach 1:
The weighing sensor assembly is extracted from the interior space of the main assembly and positioned externally. This eliminates potential interference with food preparation operations (heating, mixing, blending) while maintaining reliable and continuous weight measurement capability through the external support member configuration.
4Device complexity
If the storage container is integrated in the main assembly, then device complexity is reduced, but measurement precision deteriorates due to inability to exclude storage container weight
Solution Approach 1:
The integrated main assembly is segmented into two weight components: the storage container supported by the support member and the main assembly (including food preparation chamber) supported by the weighing sensor assembly. This segmentation allows the system to maintain integration benefits while achieving precise tracking of food preparation chamber weight by excluding storage container weight from measurements.
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 accurate tracking of the weight of contents in the food preparation chamber by isolating the storage container's weight, reducing interference between the weighing sensor and food preparation components, and facilitating controlled delivery and completion of food preparation procedures.
Implementation Method 1
a weighing sensor assembly on which the main assembly, other than said at least part of the storage container, is supportable so as to be weighed by the weighing sensor assembly
Data Source
AI summary
Provided is a kitchen appliance comprising a food preparation chamber, and a storage container in which contents are storable prior to delivery to the food preparation chamber. The food preparation chamber and the storage container are integrated in a main assembly of the kitchen appliance. A support member, e.g. a support foot, supports thereon at least part of the storage container. A weighing sensor assembly supports, and is thus able to weigh, the main assembly other than the at least part of the storage container that is supported on the support member.