Intelligent Circuit Breaker Wire Diameter Mismatch Protection
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Solution Overview
Problem
Current electric protection circuit breakers fail to adapt to mismatched wire diameters, leading to inadequate protection and potential fires, as they rely on preset reference values rather than actual wire conditions, and lack real-time monitoring and communication mechanisms to prevent dangerous situations.
Innovation Solution
An intelligent electric protection circuit breaker with a microprocessor chip, current, temperature, and voltage detection parts that collects data on national standard diameters and uses big data machine learning to set safety protection currents based on real-time wire conditions, enabling real-time monitoring and alarm systems for excessive current and temperature, and wireless communication for remote data transmission and control.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If a preset reference value comparator is used for circuit breaker protection, then the device complexity is reduced and ease of operation is improved, but the reliability of protection is insufficient when wire diameter mismatches occur
Solution Approach 1:
The system performs preliminary actions by collecting temperature, current, and voltage data during normal operation before a fault occurs. This data is stored and analyzed to establish baseline characteristics of the wire-circuit breaker combination, enabling the system to detect mismatches proactively rather than waiting for failure conditions.
Solution Approach 2:
The system implements continuous feedback by monitoring temperature, current, and voltage parameters in real-time and comparing them against expected values based on wire diameter characteristics. When deviations indicate a mismatch between wire capacity and circuit breaker rating, the system provides feedback signals to alert users and adjust protection settings accordingly.
2Reliability
If real-time monitoring and data collection systems are implemented to detect wire diameter mismatches, then the reliability of protection is improved, but the device complexity and loss of energy increase
Solution Approach 1:
The system employs periodic action by collecting and analyzing temperature, current, and voltage data at predetermined time intervals rather than continuously. This approach maintains adequate monitoring capability to detect wire mismatches while significantly reducing energy consumption compared to continuous real-time monitoring of all parameters.
3Reliability
If continuous real-time monitoring of temperature and current is performed, then the reliability of protection is improved, but the loss of time for processing and response increases
Solution Approach 1:
The system applies partial action by selectively monitoring and processing only the most critical parameters (temperature and current) at high frequency, while other parameters are monitored at lower frequencies. This selective approach ensures timely detection of dangerous conditions without the processing overhead of continuously analyzing all available data at maximum resolution.
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 allows for accurate determination of wire diameters and setting of safety protection currents, enabling real-time monitoring and preventive measures to avoid power-related dangers, improving the effectiveness of electric protection by integrating data collection, machine learning, and wireless communication.
Implementation Method 1
a temperature detection part for detecting a temperature of the power line
Implementation Method 2
a current detection part for detecting a current of the power line
Implementation Method 3
a voltage detection part for detecting a voltage of the power line
Implementation Method 4
When a current reaches a certain value, a temperature of a power line rises. The rise of the temperature is related to a diameter of the power line
Data Source
AI summary
An electrical protection circuit breaker comprises a microprocessor chip part, a circuit breaker part connected between a power line and a power supply, a temperature detection part for detecting a temperature of the power line, a current detection part for detecting a current of the power line, and a voltage detection part for detecting a voltage of the power line. A memory of the microprocessor chip part stores a data collection S=f(temp, I, V, Δtime), wherein S represents a diameter of the power line, temp represents the temperature, I represents the current, V represents the voltage, and Δtime represents a set time period. The microprocessor chip part matches electronic data of real-time temperature changes, electronic data of an import current, and electronic data of a voltage with data sets in the data collection, and sets a corresponding safety protection current according to matching results.