Heater Element Pairing for Electromagnetic Wave Cancellation
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Solution Overview
Problem
Electric heating elements emit electromagnetic waves that are a concern due to potential health hazards, particularly when used at close range, deterring their widespread adoption despite their numerous advantages.
Innovation Solution
Implementing pairs of heating elements powered by alternating currents in opposite phases, with insulation layers and electromagnetic field cancellation mechanisms, to reduce electromagnetic emissions while maintaining heating efficiency.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Productivity
If electric heating elements are used, then heating efficiency is improved, but electromagnetic wave emissions increase causing health concerns
Solution Approach 1:
The heating system is divided into multiple heating elements arranged in pairs, where each element in a pair operates with opposite phase current. This segmentation allows the electromagnetic fields from individual elements to cancel each other out while maintaining the heating function, thus reducing overall electromagnetic emissions without sacrificing heating efficiency.
Solution Approach 2:
The patent applies preliminary anti-action by configuring heating elements to generate electromagnetic fields that are equal in magnitude but opposite in phase. This pre-planned counteracting arrangement ensures that electromagnetic emissions are canceled before they can cause harmful effects, while the heating function remains intact through the combined thermal output of all elements.
2Object-affected harmful factors
If pairs of heating elements with opposite phase currents are used, then electromagnetic emissions are reduced, but device complexity increases
Solution Approach 1:
Multiple heating elements are merged into paired configurations where adjacent elements operate together with opposite phase currents. This merging approach allows the system to achieve electromagnetic cancellation while maintaining a relatively simple overall structure, as the paired elements can be integrated into the heating apparatus without requiring completely separate systems.
Solution Approach 2:
The patent changes the operational parameters of the heating elements by applying opposite phase currents to paired elements. This parameter modification enables electromagnetic field cancellation without fundamentally altering the physical structure or material composition of the heating elements themselves, thus reducing complexity compared to structural modifications.
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
Effectively cancels out electromagnetic waves generated by heating elements, addressing health concerns and enhancing user safety without compromising heating performance.
Implementation Method 1
Electromagnetic waves are generated wherever electricity flows. There has been a suggestion that electromagnetic waves induce anxiety in humans and are harmful to general health.
Implementation Method 2
The two heaters are located very close to each other so that the electromagnetic waves coming from one heater are canceled out by the electromagnetic waves coming from the other.
Data Source
AI summary
Systems may include a heater including a plurality of heating elements that may include a first heating element configured to generate heat based on a first current, and a second heating element configured to generate heat based on a second current. Systems may further include an electromagnetic (EM) radiation reducing device configured to cancel electromagnetic emissions from the heater. The EM radiation reducing device may include a first EM radiation reduction element positioned adjacent to a first side of the heater, and a second EM radiation reduction element positioned adjacent to a second side of the heater, where the first and second EM radiation reduction elements have geometries configured based, at least in part, on the heater.