Infrared Sauna Heater Layout for Electric Field and EMI Reduction
Find Innovative SolutionsGenerate Solutions
Solution Overview
Problem
Existing sauna heating technologies using electrical heaters face challenges in efficiently managing electromagnetic interference (EMI) and electric fields, which can be harmful to users and affect the heating efficiency.
Innovation Solution
The use of infrared heating apparatus with complementary magnetic fields generated by pairs of heating elements, where current is redirected between conductive paths to minimize electric fields and EMI, and the incorporation of thermally conductive sheaths and insulative materials to manage heat distribution and field propagation.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Object-affected harmful factors
If traditional electrical heaters are used in saunas, then heating function is provided, but electromagnetic interference and harmful electric fields are generated
Solution Approach 1:
The patent applies the principle of converting harm into benefit by using the electromagnetic fields generated by heating elements to create complementary magnetic fields that cancel each other out. The harmful electric fields and electromagnetic interference are transformed into a beneficial cancellation effect through strategic positioning and configuration of multiple heating elements, thereby reducing net EMI while maintaining heating functionality.
Solution Approach 2:
The patent implements preliminary anti-action by pre-configuring heating elements in specific geometric arrangements (such as triangular or circular patterns) before operation, where their electromagnetic fields are designed to naturally cancel each other. This pre-established configuration ensures that when the heaters operate, the harmful electromagnetic effects are already counterbalanced, preventing rather than merely responding to the problem.
2Object-affected harmful factors
If heating elements are arranged to generate complementary magnetic fields, then electromagnetic interference is reduced, but device complexity increases
Solution Approach 1:
The patent applies merging by combining multiple heating elements into integrated assemblies where the elements work together as a unified system. Rather than treating each heating element separately, they are merged into coordinated groups with shared mounting structures and control systems, reducing overall device complexity while achieving electromagnetic cancellation through their collective configuration.
Solution Approach 2:
The patent implements universality by designing heating element assemblies that simultaneously perform multiple functions: heating the sauna environment, generating complementary magnetic fields for EMI reduction, and serving as integrated structural components. This multi-functionality reduces the need for separate EMI mitigation devices, thereby lowering overall device complexity.
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
This approach significantly reduces electromagnetic interference and electric fields, enhancing user safety and heating efficiency while allowing for more uniform and controlled heat distribution in saunas.
Implementation Method 1
The first conductive path is coupled to redirect the current to the second conductive path to set up complementary magnetic fields between the first and second heating elements
Implementation Method 2
The infrared apparatus comprises a first and second heating element. The first heating element has a first conductive path coupled to pass a current
Implementation Method 3
The placing includes placing the coiled wire within a thermally and electrically conductive sheath
Data Source
AI summary
An apparatus for a sauna includes a first and second heating element. The first heating element has a first conductive path and is coupled to pass a current. The second heating element has a second conductive path that runs adjacent to the first conductive path. The second heating element substantially blocks an electric field produced within the first heating element. The first conductive path is coupled to redirect the current to the second conductive path and set up complementary magnetic fields between the first and second heating elements.