Universal Isolator Modular Orientation Switching
Find Innovative SolutionsGenerate Solutions
Solution Overview
Problem
Universal isolators for intrinsically safe environments often require expensive circuit duplication and suffer from incorrect signal type detection and lack of visual indication, leading to commissioning challenges.
Innovation Solution
A universal isolator device with a modular design that allows orientation-based functionality switching between input and output, eliminating unnecessary circuitry and providing clear visual indication of operation through physical connection orientation, enabling safe and efficient configuration without rotation.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Adaptability or versatility
If universal isolators duplicate both input and output functionality on both sides to achieve versatility, then adaptability is improved, but device complexity and cost increase
Solution Approach 1:
The isolator module can be physically rotated to different orientations (0°, 90°, 180°, 270°) to dynamically change its functionality. This mechanical dynamic adjustment allows a single static circuit configuration to serve multiple functional roles, eliminating the need for duplicated input/output circuitry on both sides while maintaining full adaptability.
Solution Approach 2:
The isolator module is designed with universal connectivity features including multiple connection types (banana plugs, alligator clips, terminal blocks) and multiple orientations that all map to the same underlying circuit. This true universality allows one module to replace multiple specialized isolators without requiring additional circuit duplication.
2Ease of operation
If automatic detection of signal type is implemented in universal isolators, then ease of operation is improved, but reliability deteriorates due to incorrect detection
Solution Approach 1:
The system performs self-configuration through physical orientation rather than electronic detection. The isolator module automatically determines its function based on how it is physically connected (which terminals are connected to power, which to signal), eliminating the need for unreliable electronic signal type detection while maintaining ease of operation.
Solution Approach 2:
The patent replaces the electronic/software-based automatic detection system with a mechanical orientation-based system. The physical connection method and orientation mechanically determine the signal type and function, providing reliable operation without the errors inherent in electronic detection algorithms.
3Ease of operation
If visual indication of operating mode is added to universal isolators, then ease of operation during commissioning is improved, but device complexity increases
Solution Approach 1:
The isolator module uses color-coded connection terminals (red for power, black for ground, other colors for signal inputs/outputs) to provide immediate visual indication of the operating mode and correct connection method. This simple color-coding system provides clear commissioning guidance without adding complex electronic indication circuits.
Solution Approach 2:
The connection terminals are arranged in an asymmetric pattern that visually indicates the correct orientation and function. The asymmetric layout makes it immediately apparent which side is input and which is output, providing visual indication of operating mode through the physical arrangement itself rather than additional indication components.
Data Source
Figure 1A~1B
Figure 2A~2B
Figure 3
AI summary
The present invention provides for an electronic isolator device such as a universal isolator and having isolation and possible safety functionality and comprising an isolator module (550), and a base module (500), and wherein the isolator module is arranged for removable physical/electrical connection to the base module and in at least two orientations/positions relative to the base module, wherein electrical connection to the base module in each of the at least two orientations/positions serves to configure the type/functionality of the isolator device.