Amorphous Heating Ribbon Control for Asphalt Surface Heating

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Solution Overview

Problem

Existing heating systems for infrastructure surfaces, such as roads and bridges, lack the ability to rapidly respond to changing heating demands and are inefficient in energy consumption, often leading to thermal stress and cracking in asphalt due to inadequate temperature control.

Innovation Solution

A heating system comprising a heating ribbon with an amorphous heating element, a power modulation unit, and sensor units that allow for real-time data processing and control of power supply to different zones, enabling precise and variable heating based on environmental and surface characteristics, thereby reducing energy consumption and preventing thermal cracking.

Engineering Contradictions & Design Principles

VSEngineering Contradiction Analysis

1Speed

If conventional heating systems are used for infrastructure surfaces, then heating coverage is provided, but the response time to changing heating demands is slow and energy consumption is high

Engineering Contradiction:
Improveresponse time to heating demandVSAvoidenergy consumption
Core Design Contradiction:
SpeedVSUse of energy by moving object

Solution Approach 1:

The heating system transitions from static, uniform heating to dynamic, zone-specific heating. The control unit continuously receives environmental data (temperature, humidity, precipitation) and adjusts power distribution to different heating zones in real-time, enabling the system to adapt its heating pattern dynamically to match actual environmental conditions and infrastructure needs

Inventive Principle:
Principle #15Dynamics

Solution Approach 2:

The infrastructure surface is divided into multiple independent heating zones, each equipped with its own heating elements and controllable through the power modulation unit. This segmentation allows different zones to be heated independently based on their specific requirements, preventing energy waste in areas that don't need heating while ensuring adequate heating where needed

Inventive Principle:
Principle #1Segmentation

2Reliability

If uniform heating is applied across the entire surface, then complete coverage is achieved, but thermal stress and cracking occur due to inadequate temperature control

Engineering Contradiction:
Improveprevention of thermal crackingVSAvoidtemperature control precision
Core Design Contradiction:
ReliabilityVSEase of operation

Solution Approach 1:

The system applies different heating intensities to different zones based on their specific thermal requirements and environmental conditions. The control unit processes sensor data to determine which zones require heating and to what extent, allowing precise local temperature control that prevents thermal stress and cracking while avoiding unnecessary heating in already adequate zones

Inventive Principle:
Principle #3Local quality

3Reliability

If continuous heating is provided to maintain surface temperature, then infrastructure protection is ensured, but energy consumption increases significantly

Engineering Contradiction:
Improveinfrastructure protection from thermal damageVSAvoidenergy consumption of heating system
Core Design Contradiction:
ReliabilityVSUse of energy by stationary object

Solution Approach 1:

The heating system operates periodically rather than continuously, activating heating elements only when environmental sensors detect conditions requiring heating (low temperature, precipitation, high humidity). The control unit monitors environmental parameters and switches heating on or off accordingly, ensuring infrastructure protection while minimizing energy consumption by eliminating unnecessary continuous operation

Inventive Principle:
Principle #19Periodic action

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 system provides rapid and efficient heating responses to changing environmental conditions, reduces energy consumption, and extends the longevity of infrastructure by preventing low-temperature cracking and accelerating the self-healing of asphalt through precise temperature control.

Implementation Method 1

the heating ribbon comprises at least one heating element for generating radiant heat

Methodology Applied
Scientific EffectJoule heating: Joule Heating

Implementation Method 2

the heating ribbon comprises at least one heating element for generating radiant heat

Methodology Applied
Scientific EffectRadiant heat: Thermal Radiation

Data Source

PatentEP3806578A1Heating system for heating surfaces of infrastructure
Publication Date: 2021.04.14 SNOWLESS LTD
  • EP3806578A1 patent drawingFigure 1
  • EP3806578A1 patent drawingFigure 2
  • EP3806578A1 patent drawingFigure 3

AI summary

The present invention relates to a heating system (100) for heating for heating surfaces (S) of infrastructure, in particular asphalt or concrete surfaces, comprising: at least one heating ribbon (10), wherein the heating ribbon (10) comprises at least one heating element (14) for generating radiant heat, wherein the at least one heating element (14) is made of an amorphous material, at least one power supply (106) for supplying power to the at least one heating ribbon (10), at least one sensor unit (104) for sensing at least one environmental characteristic and/or at least one characteristic of at least one zone of the surface (S) to be heated with the heating system (100), at least one control unit (102) that is configured to determine the heating de-mind of the at least one zone of the surface (S) to be heated based on the at least one characteristic sensed by the at least one sensor unit (104), wherein the at least one control unit (102) is configured to control the at least one power supply (106) based on the determined heating demand of the at least one zone of the surface to be heated, wherein the at least one power supply unit (106) comprises at least one power modulation unit configured to control the amount of power supplied to the at least one heating ribbon (10).