Virtual Heat Trace Controller Gateway for Legacy Alarm Management
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Solution Overview
Problem
Conventional heat trace controllers face challenges in efficiently adding new functionalities due to firmware limitations, leading to time-consuming updates and infeasibility in systems with multiple controllers, and struggle with data harvesting and insight provision, especially in legacy systems.
Innovation Solution
Implementing a gateway that virtualizes the EHT controller's management functionality in software, allowing advanced data processing and integration of new protocols without altering the core functionality of existing controllers, and providing a centralized management system for enhanced data analysis and control.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Adaptability or versatility
If firmware updates are used to add new functionality to EHT controllers, then new features can be added, but the process becomes time-consuming and may not be feasible for legacy controllers
Solution Approach 1:
The patent introduces a gateway as an intermediary component that sits between the management system and the EHT controller. This gateway handles data harvesting, processing, and functionality addition without requiring modifications to the controller's firmware. The gateway acts as a mediator that provides advanced features while leaving the legacy controller unchanged, thus resolving the contradiction between adding functionality and avoiding time-consuming firmware updates.
2Reliability
If multiple EHT controllers are deployed in a system, then comprehensive temperature monitoring is achieved, but firmware updates become increasingly difficult and time-consuming
Solution Approach 1:
The gateway serves as a centralized intermediary that manages communications with multiple EHT controllers. Instead of updating each controller individually, the management system interacts with the gateway, which then handles data from all controllers. This approach maintains comprehensive temperature monitoring across multiple devices while simplifying the update and management process through a single point of contact.
Solution Approach 2:
The patent merges the data harvesting and processing functions from multiple distributed controllers into a single centralized gateway. This consolidation allows the system to maintain comprehensive monitoring coverage while reducing management complexity, as the gateway aggregates and processes data from all controllers in one location rather than requiring individual access to each device.
3Reliability
If legacy EHT controllers are used to maintain system stability, then existing operations continue reliably, but new functionalities and data processing capabilities are limited
Solution Approach 1:
The gateway acts as an intermediary that enhances the capabilities of legacy controllers without modifying them. It provides advanced data processing, analysis, and new functionalities while the original controllers continue to operate reliably in their established manner. This architecture allows the system to maintain stability through unchanged legacy devices while gaining versatility through the gateway's advanced capabilities.
Solution Approach 2:
The patent adds a new dimension to the system architecture by introducing the gateway layer between the management system and the controllers. This dimensional addition allows legacy controllers to maintain their original reliable operation while the gateway provides enhanced data processing and analytical capabilities in a separate layer, thus achieving both stability and versatility simultaneously.
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
Enables efficient data harvesting and addition of new functionalities to legacy controllers, improving system management and reducing operational burdens by providing advanced insights and predictive maintenance capabilities.
Implementation Method 1
Heat trace solutions utilize electric heating elements, such as electric heat trace cables, to apply heat to an external surface
Data Source
AI summary
An electric heat trace (EHT) control system and corresponding methods are provided. The system comprises a heat trace cable to heat a surface, a sensor that outputs a status value, and an EHT controller in communication with the heat trace cable and the sensor. The EHT controller receives the status value from the sensor, compares the status value to a first threshold, and outputs the status value and a first alarm flag when the status value meets the first threshold. The system further comprises a gateway in communication with the EHT controller. The gateway receives the output status value and the first alarm flag when output from the EHT controller, compares the status value to a second threshold, and communicates a second alarm flag to a management system in communication with the gateway when the status value meets the second threshold.