Portable Towel Warmer Using Conduction Heating for Fast Warming
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Solution Overview
Problem
Existing towel warming devices are often expensive, require invasive modifications, are not portable, and take a long time to heat towels efficiently, leading to discomfort after showering or bathing due to temperature disparities.
Innovation Solution
A portable towel warming device that uses a conduction heating mechanism, is lightweight and compact, allowing easy transport, and can dry heat towels quickly, using a heating arrangement with a conduction heating mechanism and optional air circulation to achieve efficient warming.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Ease of operation
If a portable warming device is designed to be lightweight and compact for easy transport, then portability and ease of operation are improved, but the heating power and warming speed may be reduced
Solution Approach 1:
The patent applies parameter changes by utilizing phase change materials that undergo phase transitions at specific temperatures. The PCM absorbs and releases thermal energy during phase changes, enabling the compact device to maintain effective heating capability despite its portable size. This allows the device to deliver sufficient warming power while remaining lightweight and easy to transport.
Solution Approach 2:
The warming device employs composite materials including phase change materials combined with thermal conductors and insulators. This composite structure enables the device to achieve both portability and adequate heating power by optimizing heat transfer efficiency within a compact form factor, resolving the contradiction between size and heating capability.
2Productivity
If the warming device uses a conduction heating mechanism with optional air circulation, then heating efficiency and warming speed are improved, but device complexity increases
Solution Approach 1:
The heating system is segmented into modular components: a conduction heating element, optional air circulation components, and phase change material sections. This segmentation allows the device to achieve high warming speed through efficient heat transfer while maintaining relatively simple construction by using standardized, interchangeable modules that can be configured based on specific needs.
Solution Approach 2:
The phase change material serves as an intermediary between the heating element and the towel, facilitating efficient thermal energy transfer. This intermediary approach enables rapid warming through conduction while keeping the overall device structure simple, as the PCM naturally manages heat distribution without requiring complex control systems.
3Productivity
If the device reaches desired temperatures within a short time, then productivity and user comfort are improved, but energy consumption may increase
Solution Approach 1:
The phase change material is pre-positioned within the device structure, ready to absorb and store thermal energy before actual use. This preliminary preparation allows the device to rapidly deliver warming energy when activated, achieving fast warming speeds while the PCM's phase change process efficiently manages energy consumption by storing and releasing heat at predictable rates.
Solution Approach 2:
The device utilizes phase transitions of the phase change material to manage energy consumption efficiently. During heating, the PCM absorbs energy during melting; during cooling, it releases energy during solidification. This phase transition mechanism enables rapid warming delivery while naturally regulating energy consumption, as the PCM only absorbs/releases heat during phase changes at specific temperatures.
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 portable device efficiently warms towels to a comfortable temperature, reducing the discomfort of temperature drops after showering or bathing, while being cost-effective and easy to use, with the ability to reach desired temperatures within a short time.
Implementation Method 1
uses a conduction heating mechanism
Implementation Method 2
optional air circulation to achieve efficient warming
Data Source
AI summary
A portable warming device for dry heating a towel. The portable warming device includes a heating arrangement that heats one or more surface of the portable warming device so as to heat a towel that is in contact with the one or more heated surfaces. The heating arrangement includes a controller to at least partially control the heating of the towel.