Heat Generating Fabric with Carbon-Based Fibers for Uniform Heating
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Solution Overview
Problem
Conventional heat generating fabrics face issues with uniform temperature distribution, flexibility, adhesion, heat insulation, durability, and effective temperature transfer to the inside of objects, particularly when applied to surfaces with step differences.
Innovation Solution
A heat generating fabric incorporating carbon-based fibers that satisfy specific tensile strength, moisture content, wet tensile strength, wet modulus, and wet elongation conditions, along with a carbon-doping layer and a binder, to ensure excellent heating characteristics, flexibility, adhesion, and heat insulation performance.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Ease of operation
If conventional heat generating fabric is applied to surfaces with step differences, then heating function is provided, but adhesion is poor and flexibility is insufficient
Solution Approach 1:
The patent applies parameter changes by optimizing the tensile strength, moisture content, wet tensile strength, wet modulus, and wet elongation of carbon-based fibers to specific ranges. These parameter adjustments enable the fabric to achieve both flexibility for conforming to uneven surfaces and sufficient adhesion to maintain reliable attachment, resolving the contradiction between ease of operation and reliability.
2Temperature
If conventional heat generating fabric is used, then heating function is achieved, but temperature distribution is non-uniform
Solution Approach 1:
The patent utilizes parameter changes by carefully controlling the electrical resistance, tensile strength, and structural properties of carbon-based fibers within specific ranges. These parameter optimizations ensure uniform current distribution and consistent heating characteristics across the fabric, achieving uniform temperature distribution while maintaining manufacturing precision.
3Temperature
If conventional heat generating fabric is applied, then heating effect is produced, but heat insulation performance is insufficient
Solution Approach 1:
The patent employs composite materials by combining carbon-based fibers with specific tensile strength and electrical properties in a fabric structure. This composite construction provides both the heating function through electrical resistance and adequate heat insulation performance, reducing energy loss while maintaining effective temperature generation.
4Reliability
If conventional heat generating fabric is used, then heating function is provided, but durability is poor and physical properties change significantly after heating
Solution Approach 1:
The patent applies parameter changes by optimizing the moisture content, tensile strength, and wet modulus of carbon-based fibers to specific ranges that ensure dimensional stability and property consistency after heating. These parameter controls prevent significant physical property changes and enhance durability, maintaining reliability under thermal stress.
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 fabric achieves uniform temperature distribution, excellent flexibility and adhesion on uneven surfaces, effective heat insulation, and maintains durability while efficiently transferring heat to the inside of objects, with improved physical properties even after heating.
Implementation Method 1
a carbon-based fiber for generating heat when an electric current is applied
Data Source
AI summary
A heat generating fabric is provided, and more specifically a heat generating fabric that exhibits excellent heating characteristics, has a uniform temperature distribution, has excellent flexibility such that when applied to a surface to be fixed having a step difference, it has excellent adhesion and heat insulation performance at the same time, has an effect of transmitting the temperature to the inside of an object for the purpose of temperature increase, shows very little change in physical properties even after heating and shows an effect of excellent durability.