Wave Coupler Isolation Device for Hazardous Environments
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Solution Overview
Problem
Conventional safe circuits and intrinsically safe barriers face deficiencies in design, manufacture, and maintenance, particularly in preventing sparks or thermal effects that could ignite explosive environments, leading to potential explosions and damage.
Innovation Solution
An isolation device with a wave coupler chamber and transmission/reception couplers, utilizing a dielectric material, is designed to transmit signals between isolated and exposed components while preventing high voltage signals and faults from igniting explosive environments, with a focus on minimizing signal loss at specific frequency ranges.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If conventional safe circuits and intrinsically safe barriers are used to prevent sparks and thermal effects in explosive environments, then safety is improved, but signal transmission loss increases and device complexity increases
Solution Approach 1:
The patent introduces a wave coupler as an intermediary device that enables signal transmission between isolated and non-isolated circuits through electromagnetic coupling. The wave coupler chamber with dielectric material acts as a mediator that transfers signals without direct electrical connection, thereby maintaining safety isolation while reducing signal loss compared to conventional barriers.
Solution Approach 2:
The patent replaces conventional electrical connection mechanisms with electromagnetic field-based wave coupling. Instead of using direct electrical paths that require complex isolation barriers, the system uses electromagnetic waves to transmit signals through the isolation boundary, simplifying the system while improving signal transmission efficiency.
2Reliability
If conventional intrinsically safe barriers are used to house safe circuits, then safety is improved, but device complexity and manufacturing difficulty increase
Solution Approach 1:
The patent merges the wave coupler chamber with the environmental enclosure structure, where the protective housing itself defines the wave coupler chamber. This integration eliminates the need for separate isolation barriers and complex assembly, reducing device complexity while maintaining safety functionality.
Solution Approach 2:
The protective housing serves multiple functions: it provides mechanical protection, defines the wave coupler chamber, and enables electromagnetic coupling. This multi-functionality reduces the number of separate components needed, simplifying the overall device structure while maintaining intrinsically safe operation.
3Loss of energy
If wave coupler chamber is filled with dielectric material to improve signal transmission, then signal loss is reduced, but manufacturing precision requirements increase
Solution Approach 1:
The patent optimizes the dielectric material parameters (permittivity, loss tangent) and the wave coupler chamber dimensions to achieve low signal loss. By carefully selecting and tuning these parameters, the system achieves effective signal transmission while accommodating reasonable manufacturing tolerances.
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 effectively isolates hazardous signals, reducing the risk of ignition in explosive environments and providing a cost-effective, low-loss signal transmission solution that meets industry standards for safety and performance.
Implementation Method 1
a transmission coupler positioned within the wave coupler chamber that is configured to transmit an electromagnetic wave into the wave coupler chamber following receipt of an input signal
Implementation Method 2
a reception coupler positioned within the wave coupler chamber that is configured to transmit a coupler output signal to the other of the exposed component or the isolated component upon receipt of the electromagnetic wave
Implementation Method 3
The isolation device may comprise a dielectric that at least partially fills the wave coupler chamber
Data Source
AI summary
Various embodiments are directed to isolation devices, systems, methods and various means, for isolating ignition causing signals and/or explosions from hazardous or explosive environments.