Natural Stone Heater With Glass-Panel Induction Heating
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Solution Overview
Problem
Existing radiators using natural stone as a heat storage medium face durability issues and health concerns due to adhesive outgassing, with insufficient heat output and aesthetic limitations.
Innovation Solution
A natural stone heater with a conductor loop and nanoparticle coating for electromagnetic induction heating, using silicone adhesive for moisture prevention and a controller for temperature regulation, integrated with glass panels to avoid adhesive contact and enhance heat distribution.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Strength
If epoxy resin adhesive is used to bond heating foil to stone slab, then bonding strength is improved, but health safety deteriorates due to outgassing
Solution Approach 1:
The heating element is extracted from direct contact with the stone surface and placed inside a glass panel, eliminating the need for adhesive between heating element and stone. The glass panel serves as an intermediary barrier that prevents harmful adhesive outgassing while maintaining structural integrity through mechanical fastening.
Solution Approach 2:
A glass panel is introduced as an intermediary element between the heating foil and the stone slab. The heating foil is bonded to the glass panel's back surface using adhesive, while the glass panel itself is mechanically fastened to the stone, creating a layered structure that eliminates direct adhesive contact with the stone and reduces outgassing exposure.
2Strength
If adhesive is applied between heating element and stone surface, then bonding is improved, but durability deteriorates due to adhesive degradation
Solution Approach 1:
The bonding system is segmented into two distinct bonding interfaces: (1) adhesive bonding between heating foil and glass panel back surface, and (2) mechanical fastening between glass panel and stone slab. This segmentation isolates the adhesive to a controlled area away from the heated zone, reducing thermal degradation and improving overall durability.
Solution Approach 2:
The direct adhesive bonding between heating element and stone is replaced with a hybrid system combining adhesive bonding (heating foil to glass) and mechanical fastening (glass panel to stone via screws or clips). This mechanical substitution reduces reliance on adhesive alone, improving durability under thermal stress.
3Shape
If heating foil is directly bonded to stone, then heat transfer is improved, but heat output deteriorates due to insufficient thermal radiation
Solution Approach 1:
The front surface of the glass panel is designed with specific optical properties (transparency, reflectivity, or emissivity characteristics) that enhance thermal radiation emission. The glass material and surface treatment are selected to optimize infrared radiation properties, increasing the heater's effective heat output and radiant efficiency.
4Strength
If adhesive is applied near heated areas, then structural integrity is improved, but health safety deteriorates due to adhesive exposure to heat
Solution Approach 1:
The adhesive application area is relocated from the two-dimensional plane near the heated surface to the three-dimensional space on the back surface of the glass panel. This spatial relocation positions the adhesive in a cooler zone away from direct thermal exposure, reducing outgassing and health hazards while maintaining structural integrity through the glass barrier.
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 solution provides a durable, aesthetically pleasing radiator with improved heat output and reduced health risks, maintaining a balanced indoor climate with prolonged temperature equalization and reduced power consumption.
Implementation Method 1
heat is generated by eddy currents by means of electromagnetic induction
Implementation Method 2
heat is generated by eddy currents by means of electromagnetic induction
Implementation Method 3
the conduction of the heat generated in this way to the stone plate located in front of the room
Implementation Method 4
the inner area of the glass panes are removed from the areas covered with adhesive
Implementation Method 5
the heat capacity of the stone causes the heat to be temporarily stored in such a way that the half-life of the temperature equalization is more than one hour after the power is switched off
Data Source
Figure 1~2
Figure 3
Figure 4~5
AI summary
The natural stone radiator (1) comprises an electromagnetic heating unit and a natural stone plate (5) which are arranged at the side surface of the room wall (W). A glass plate (3') is arranged at a sidewall of the radiator, and a glass plate (3'') is arranged between the natural stone plate and the other glass plate. The glass plate (3'') is arranged at a predetermined distance from the natural stone plate and from the other glass plate. The metal particles are partially coated in the surrounding surface of the electromagnetic heating unit. An independent claim is included for a room heating method.