Waterless portable precision heating device
Find Innovative SolutionsGenerate Solutions
Solution Overview
Problem
Existing kitchen appliances face challenges in achieving even and precise heating due to bulky designs, inefficient heating elements, and temperature limitations imposed by water or steam-based heating methods, which are impractical for high-altitude use.
Innovation Solution
A portable precision heating device featuring a cylindrical ingredient container surrounded by a thin heating element, insulation, and a temperature-sensing system controlled by a circuit board, allowing for even heat distribution and precise temperature control beyond 100°C without the need for water or pressure.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Temperature
If water or steam is used as a heating source, then the device can achieve simple heating, but the temperature cannot exceed 100°C without pressurization
Solution Approach 1:
The patent extracts and eliminates the water/steam heating medium from the system, replacing it with direct electrical heating elements. This removes the 100°C temperature limitation inherent in atmospheric water/steam heating while avoiding the complexity of pressurization systems, achieving both high temperature capability and device simplicity.
Solution Approach 2:
The patent replaces the mechanical/thermal system of water/steam heating with an electrical heating system. Electrical heating elements directly convert electrical energy to thermal energy, enabling precise temperature control above 100°C without requiring pressurization mechanisms, thus resolving the contradiction between temperature and device complexity.
2Manufacturing precision
If traditional heating elements are used, then the device can provide heating, but the heating is not even and precise temperature control is difficult
Solution Approach 1:
The heating system is segmented into multiple independent heating elements positioned at different locations (top, bottom, and side heating elements). Each element can be independently controlled, allowing precise temperature regulation and even heat distribution across the heating chamber without requiring an overly complex single-element design.
Solution Approach 2:
Different heating elements are positioned to provide localized heating zones: top heating elements for upper temperature control, bottom elements for lower temperature control, and side elements for lateral heat distribution. This local quality approach enables precise temperature control throughout the chamber while maintaining a manageable device structure.
3Manufacturing precision
If kitchen appliances are designed for even heating, then heating quality improves, but the devices become heavy and bulky
Solution Approach 1:
The patent employs thin-film heating elements and flexible insulation materials that provide effective heating and thermal management without adding significant weight. The thin construction of these components maintains heating uniformity while keeping the overall device lightweight and portable.
Solution Approach 2:
The heating system utilizes multi-dimensional heat distribution with heating elements positioned on multiple surfaces (top, bottom, and sides) rather than relying on a single large heavy element. This spatial arrangement achieves even heating through distributed low-mass components, resolving the contradiction between heating uniformity and device weight.
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 device ensures consistent and precise heating of food, health, and crafting ingredients, avoiding hot spots and altitude-related temperature inconsistencies, while being lightweight and portable.
Implementation Method 1
a thin heating element configured to surround and contact the ingredient container
Implementation Method 2
an insulation layer configured to surround and contact the heating element
Implementation Method 3
at least one sensor configured to detect the temperature of the device
Data Source
AI summary
A waterless portable precision heating device includes an ingredient container to contain a food-related, a health-related, or a crafting-related ingredient; a thin heating element configured to surround and contact the ingredient container; an insulation layer configured to surround and contact the heating element; an outer shell surrounding the insulation layer; a lid that encloses the product container and fluidly seals it from the environment; at least one sensor configured to detect the temperature of the device; and a circuit board with a controller that controls the heating of the heating in response to signals received from the at least one sensor indicating whether the product container has reached a threshold temperature.