Branch Element Automatic Fault Recognition via Test Current
Find Innovative SolutionsGenerate Solutions
Solution Overview
Problem
Existing communication network systems require manual user intervention to recognize and reverse cable separations after fault repair, lacking self-actuated fault recognition capabilities.
Innovation Solution
Incorporating independent branch elements with supplying and terminating test equipment that supply and detect a test current, allowing for automatic recognition of a fault-free state by closing a circuit over the cable, enabling self-repair capabilities within the network.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Extent of automation
If manual reactivation using a key button and switching pulse is used to reverse cable separation, then the fault free state can be reversed, but user intervention is always necessary
Solution Approach 1:
The system performs self-diagnosis by automatically detecting cable faults and initiating repair procedures without external intervention. The branch elements continuously monitor cable status and autonomously execute the repair process when faults are detected, eliminating the need for manual user activation.
Solution Approach 2:
The test equipment continuously monitors cable conductivity and provides feedback signals to the control unit. When a fault is detected or repaired, the system receives feedback about the cable state and automatically adjusts its operation accordingly, enabling closed-loop fault management.
2Measurement precision
If test current is supplied continuously to detect cable faults, then fault detection accuracy is improved, but energy consumption increases
Solution Approach 1:
Instead of continuous test current supply, the system uses periodic or pulsed test currents to detect cable faults. The test equipment intermittently applies test signals and evaluates cable conductivity only when needed, reducing energy consumption while maintaining adequate detection accuracy.
Solution Approach 2:
The system performs preliminary fault detection using low-power test signals before initiating full repair procedures. This preliminary action allows the system to identify potential issues without consuming excessive energy, activating full test current only when necessary.
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 automatic recognition of the fault-free state post-repair, allowing the system to reverse previous cable separations without user intervention, thus providing self-repair capabilities to the communication network.
Implementation Method 1
for the or each supplying test equipment to be designed and/or provided to supply a test current to the line
Implementation Method 2
for the or each terminating test equipment to be designed and/or provided to detect the test current on the line
Data Source
AI summary
A branch element is specified for use in a communication network, whereby in the interplay of two branch elements designed according to the invention, a cleared fault in a communication medium stretching between the two branch elements, in particular a line, with a power supply cable and a current return cable, can be recognized with the help of a test current, which can be supplied by supplying test equipment—preferably provided in each branch element—and which can be detected using terminating test equipment—likewise preferably provided in each branch element—and whereby each terminating test equipment is designed and/or provided to deactivate a bus termination assigned to the respective branch element when the test current is detected.