Multi-Zone Food Holding Bin with Independent Temperature Control
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Solution Overview
Problem
Existing food holding bins have limited food holding times, requiring restaurants to discard pre-cooked items before they are sold, leading to additional costs and inefficiencies in managing different food products with varying temperature requirements.
Innovation Solution
A multi-zone food holding bin with independently controllable heating elements allows for different temperature zones within the same compartment, enabling the simultaneous storage of multiple food products with varying temperature needs, reducing waste and optimizing space usage.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Adaptability or versatility
If a single temperature zone is used in the holding bin, then the structure is simple and energy consumption is low, but different food products with varying temperature requirements cannot be stored simultaneously
Solution Approach 1:
The holding bin is divided into multiple independently controllable temperature zones, each capable of maintaining different temperature settings. This segmentation allows different food products with varying temperature requirements to be stored simultaneously in the same bin, resolving the contradiction between versatility and structural simplicity.
Solution Approach 2:
Each zone within the holding bin is equipped with its own heating element and temperature control, creating local quality differences. This enables specific regions of the bin to be optimized for specific food types while maintaining overall system efficiency, addressing the need for differentiated temperature storage without requiring entirely separate bins.
2Duration of action of stationary object
If food holding time is extended beyond 15-20 minutes, then pre-cooked food items can be kept longer without discarding, but the food quality deteriorates and food must be discarded
Solution Approach 1:
The system dynamically adjusts temperature parameters in different zones based on the specific food products being held. By optimizing temperature settings for each food type and adjusting them over time, the system extends the palatability window of pre-cooked foods while maintaining quality standards, allowing holding times beyond the traditional 15-20 minute limit.
Solution Approach 2:
The temperature control system operates dynamically, adjusting heating elements based on real-time temperature sensors and food-specific requirements. This dynamic control allows the system to maintain optimal holding conditions for extended periods, preventing quality deterioration that would occur with static temperature maintenance.
3Adaptability or versatility
If multiple separate bins are used for different food products, then each food product can be stored at its optimal temperature, but space usage is inefficient and more equipment is required
Solution Approach 1:
Multiple temperature-controlled zones are merged into a single holding bin structure, combining the functionality of what would traditionally require separate bins. This consolidation maintains the temperature control flexibility needed for different food products while significantly improving space utilization and reducing the total number of equipment units required.
Solution Approach 2:
The holding bin is designed as a universal device that can accommodate multiple food types with different temperature requirements simultaneously. Each zone serves multiple potential food applications, making the equipment highly versatile and eliminating the need for specialized single-purpose bins for different food categories.
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 extends the palatability time of food items by a factor of two or more, reduces waste, and enhances energy efficiency by allowing for flexible storage of various food products in a single compartment, thereby minimizing the need for multiple bins.
Implementation Method 1
The first food holding zone 57a includes a first heating element 67 and the second food holding zone 57b includes a second heating element 65
Data Source
AI summary
A multi-zone food holding bin has a continuous food supporting surface with multiple food holding zones. Each food holding zone is independently controllable so that different food temperatures may be maintained in adjacent food holding zones.