Cloth structure having electric heating and insulation and electric stimulation coatings and preparation method therefor
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Solution Overview
Problem
Conventional wearable devices for alleviating soreness through electric heating and stimulation are uncomfortable, prone to allergies, have unstable electrical properties, and complex manufacturing processes, with poor launderability and energy efficiency.
Innovation Solution
A soft, washable woven cloth structure with an electric heating coating and an electric stimulation coating made from dendritic and flaky silver powders, combined with a control system for temperature and current control, applied via screen printing or thermal transfer printing, addressing the discomfort and manufacturing complexities of existing devices.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If conventional adhesive electrode patches are used for electric heating and stimulation, then the therapeutic function is achieved, but the comfort and air permeability deteriorate due to poor breathability and foreign body sensation
Solution Approach 1:
The patent uses a flexible textile substrate with integrated conductive coatings instead of rigid adhesive electrodes. The textile structure provides breathability and comfort while maintaining therapeutic function through screen-printed or transfer-printed conductive patterns that conform to body contours.
Solution Approach 2:
The patent creates composite structures by combining textile substrates with conductive coatings containing silver particles and polymer matrices. This composite approach provides both the mechanical flexibility needed for comfort and the electrical conductivity required for therapeutic function.
2Reliability
If metal fibers are used as the main body material for electric heating and stimulation devices, then the electrical conductivity is improved, but the reliability deteriorates due to allergy, corrosion, and oxidization
Solution Approach 1:
The patent replaces pure metal fibers with composite conductive coatings containing silver particles embedded in polymer matrices. This composite structure maintains electrical conductivity while eliminating the allergic and corrosive problems associated with metal fibers through the protective polymer encapsulation.
Solution Approach 2:
The patent uses screen printing or transfer printing to create conductive patterns on textile substrates, copying the functionality of metal fiber networks without using actual metal fibers. This printing approach provides equivalent electrical pathways while avoiding metal-related health issues.
3Reliability
If conventional electric heating and stimulation equipment is designed with conductive wires, then the electrical function is achieved, but the device complexity increases leading to complicated tailoring procedures
Solution Approach 1:
The patent merges the conductive elements directly into the textile fabric through screen printing or transfer printing, combining the structural and electrical functions in a single integrated component. This eliminates the need for separate wire connections and complex assembly procedures.
Solution Approach 2:
The patent replaces mechanical wire connections with printed conductive patterns on flexible substrates. This substitution transforms rigid electrical connections into flexible, integrally-formed conductive pathways that simplify device fabrication and customization.
4Reliability
If conventional wearable devices with metal components are manufactured, then the electrical functionality is achieved, but the manufacturability deteriorates due to poor launderability and high energy consumption
Solution Approach 1:
The patent uses polymer-based composite coatings instead of metal components, creating materials that are inherently more resistant to degradation during washing. The polymer matrix protects the conductive particles from corrosion and maintains electrical functionality through repeated laundering cycles.
Solution Approach 2:
The patent changes the material parameters from metal-based to polymer-based composites, fundamentally altering the chemical and physical properties to improve launderability and reduce energy consumption during manufacturing and maintenance.
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 cloth structure provides comfortable, breathable, and washable electric heating and stimulation functions, promoting muscle recovery and relieving fatigue, while being energy-efficient and durable, suitable for wearable applications on acupuncture points.
Implementation Method 1
the control system controls the electric heating coating to generate heat
Implementation Method 2
raw materials of the electric heating coating include dendritic silver powder and flaky silver powder
Data Source
AI summary
A cloth structure having electric heating and electric stimulation coatings and a preparation method therefor are provided. The cloth structure includes a base cloth, an electric heating coating, an insulating layer and an electric stimulation coating, the base cloth has a first surface; the electric heating coating is attached to the first surface; the electric stimulation coating is attached to the electric heating coating via the insulating layer, the electric heating coating and the electric stimulation coating are separately electrically connected to a control system; the control system controls the electric heating coating to generate heat, and the control system controls the electric stimulation coating to output a current of 0-15 mA. Raw materials of the electric heating coating include dendritic silver powder, flaky silver powder and a cross-linking agent, and raw materials of the electric stimulation coating include dendritic silver powder and a cross-linking agent.