Food heating device with multilayer shelf
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Solution Overview
Problem
Hot dog machines lack real-time temperature control, leading to burnt or undercooked hot dogs, and one-layer shelves in convenience stores limit exhibition space, resulting in lost business opportunities.
Innovation Solution
A food heating device with multilayer shelves and temperature control panels, where bottom and middle heating rollers are electrically connected for precise temperature adjustment, and additional lamps enhance visibility, featuring openable covers and transparent components for improved accessibility and brightness.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If temperature control is added to hot dog machines, then food quality consistency is improved, but device complexity increases
Solution Approach 1:
The patent implements temperature control panels with digital displays and control buttons that provide real-time feedback on roller temperature. The system allows operators to set desired temperatures and receive feedback on actual temperatures, enabling precise temperature management to prevent burnt or undercooked food while maintaining consistent quality.
Solution Approach 2:
The patent introduces adjustable temperature parameters through control panels that allow operators to set and adjust temperature levels according to different food types and cooking requirements. This parameter control transforms the fixed-temperature system into a variable-temperature system, improving food quality consistency while maintaining reasonable device complexity through electronic control.
2Productivity
If multilayer shelves are added to increase exhibition space, then productivity is improved, but device complexity increases
Solution Approach 1:
The patent transitions from a single-layer shelf structure to a multilayer vertical arrangement, utilizing the vertical dimension to expand exhibition space. Multiple shelves are stacked at different heights, allowing simultaneous display of various food items and increasing overall capacity without significantly increasing horizontal footprint or operational complexity.
Solution Approach 2:
The patent divides the exhibition space into multiple independent shelf layers, each capable of displaying different food items. This segmentation allows for flexible arrangement and replenishment of foods on different levels, improving productivity by enabling simultaneous access to multiple food types while maintaining manageable device complexity through modular shelf design.
3Illumination intensity
If lamps are added to enhance visibility, then illumination intensity is improved, but use of energy increases
Solution Approach 1:
The patent implements lighting fixtures positioned specifically above each shelf layer, providing localized illumination where it is most needed for food display. This targeted lighting approach enhances overall brightness and visibility of food items while minimizing energy consumption by avoiding unnecessary illumination in non-display areas, achieving efficient energy utilization.
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
Ensures consistent food quality, increases exhibition space, and enhances sales by allowing real-time temperature control and multilayer display, addressing the limitations of existing hot dog machines and one-layer shelves.
Implementation Method 1
bottom and middle heating rollers are electrically connected for precise temperature adjustment
Implementation Method 2
additional lamps enhance visibility, featuring openable covers and transparent components for improved accessibility and brightness
Data Source
AI summary
A food heating device with multilayer shelf includes a base, one or more shelf support, a first side wall member, a second side wall member, a bottom cover member, a middle cover member, and a top lamp bracket. There are two or more layers of heating rollers between the first side wall member and the second side wall member. The bottom cover member and the middle cover member are disposed above bottom heating rollers and middle heating rollers. Each of the cover members at different layers has a cover body. The cover body covers foods on the heating rollers. In addition, one or more lamp bodies can be provided. The food heating device with multilayer shelf is capable of increasing space for exhibition of foods and also increasing overall brightness by adding the lamp bodies.