Fuse Blow Detection in Industrial I/O Modules
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Solution Overview
Problem
Operators face difficulties in quickly and timely determining whether a fuse in an industrial control apparatus has blown and identifying which fuse needs replacement, leading to cumbersome troubleshooting and delayed maintenance.
Innovation Solution
An industrial control apparatus with a detection assembly that sends a detection signal when a fuse is blown, coupled with a processing device to output information on the blown fuse, including identification and position information, using resistive devices and isolation components like optical couplers to isolate and communicate the fault.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Loss of time
If operators manually check indicator lights in field facilities to determine fuse status, then they can obtain fuse information, but the process is time-consuming and cumbersome
Solution Approach 1:
The system enables self-service monitoring where the control apparatus automatically detects and reports fuse status without requiring operator intervention. The detection assembly continuously monitors fuse conditions and the processing device automatically generates alerts, allowing the system to serve itself in detecting faults.
Solution Approach 2:
The system implements feedback by continuously monitoring fuse status through the detection assembly and providing real-time information back to operators via the processing device. This closed-loop feedback mechanism eliminates the need for manual checking by automatically informing operators of fuse conditions.
2Loss of information
If operators physically inspect fuses in cabinet facilities, then they can identify which fuse needs replacement, but the troubleshooting process becomes cumbersome and delayed
Solution Approach 1:
The detection assembly acts as an intermediary between the fuse and the operator. Instead of directly inspecting fuses, operators receive information through the detection and processing system that identifies which fuse is blown, simplifying the troubleshooting process while maintaining accurate information delivery.
Solution Approach 2:
The patent replaces the mechanical inspection process (physically opening cabinets and checking indicator lights) with an electronic detection and processing system. The detection assembly electronically monitors fuse status and the processing device electronically communicates results, substituting mechanical actions with electronic systems.
3Productivity
If no automated detection system is implemented, then the system structure remains simple, but maintenance efficiency is reduced and downtime increases
Solution Approach 1:
The detection assembly performs preliminary detection of fuse status continuously or periodically before actual failures occur. By monitoring fuse conditions in advance and alerting operators proactively, the system enables preventive maintenance actions rather than reactive responses, improving maintenance efficiency.
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
Facilitates timely detection and accurate location of blown fuses, enabling efficient and swift replacement, thereby improving maintenance efficiency and reducing downtime.
Implementation Method 1
the isolation device comprises an optical coupler
Data Source
AI summary
Embodiments of the present disclosure provide industrial control apparatus and monitoring methods for industrial control apparatus. The industrial control apparatus comprises: at least one input or output module, each input or output module comprising a fuse adapted to be coupled between a power supply and a user load, and a detection assembly coupled to the fuse and configured to send a detection signal after monitoring that the fuse is blown; and a processing device communicatively coupled to the detection assembly of each input or output module and configured to output information that the input or output module associated with the detection signal is blown. By the aspects of the present disclosure, it is advantageous for an operator to timely obtain information that the fuse is blown and to improve the efficiency of locating and replacing the fuse.