Mechanical Circuit Breaking System for High Voltage Protection
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Solution Overview
Problem
Existing circuit breakers are limited to low voltage circuits and require additional electricity to operate, making them ineffective in high or ultra-high voltage scenarios, especially during disasters that disrupt power supply, leading to potential equipment damage.
Innovation Solution
A circuit breaking system that uses purely mechanical means to interrupt high or ultra-high voltage power circuits, incorporating a current detection device, actuation device, and manual breaking device, which can operate without additional electricity, employing a current reduction unit and linking device to mechanically open the circuit when current surges exceed preset values, ensuring protection even in power failures.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If additional electricity provision is used to sustain electronic automatic protection mechanism, then circuit breaking reliability is improved, but system complexity and cost increase
Solution Approach 1:
The patent extracts and removes the electronic automatic protection mechanism that requires additional electricity provision. Instead, it uses a purely mechanical circuit breaking device that operates without external power, thereby reducing system complexity while maintaining reliability through mechanical means alone.
Solution Approach 2:
The mechanical circuit breaking device is designed to be self-operating using the energy from the circuit itself. The current detection mechanism and actuation system are integrated into the mechanical structure, allowing the device to detect overcurrent conditions and trigger breaking action without requiring separate power supplies or electronic control systems.
2Speed
If electronic automatic protection mechanism is applied, then circuit breaking speed is improved, but applicability to high voltage circuits is limited
Solution Approach 1:
The mechanical circuit breaking device is designed with universal applicability to high voltage circuits. By eliminating electronic components that limit voltage compatibility, the mechanical system can be deployed across various voltage levels including high voltage applications, making it a versatile solution that adapts to different circuit requirements.
3Reliability
If additional electricity provision is required for protection mechanism, then protection responsiveness is improved, but vulnerability to power disruption increases
Solution Approach 1:
The circuit breaking device operates autonomously using energy from the circuit being protected. The mechanical detection and actuation systems are powered by the circuit's own current, eliminating dependency on external power sources. This self-service approach ensures the protection mechanism remains responsive even during power disruptions or disasters that affect external electricity provision.
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 system effectively prevents high or ultra-high voltage power circuits from burning down during anomalies by using mechanical means to interrupt the power, providing reliable over-loading protection without the need for additional electricity, addressing limitations of existing technologies.
Implementation Method 1
a current detection device arranged in the power circuit and comprising a current reduction unit
Implementation Method 2
an actuation device electrically connected to the current reduction unit to engage the circuit breaking device through a linking device when an output current from the current reduction unit exceeds a preset value
Implementation Method 3
the linking device being arranged in the vicinity of the circuit breaking device
Data Source
AI summary
The circuit breaking system contains a power circuit whose voltage is greater than 600 volts, at least a circuit breaking device, at least a current detection device, a current reduction unit, at least an actuation device, and a linking device. The circuit breaking system is applicable to a high or ultra-high voltage power circuit, and the power circuit is interrupted through purely mechanical means without additional electricity provision. Even when there are major disasters that existing protection means fails, the present invention can still function and provides a trip free, ultimate self-protection mechanism so that a power system can be readily reset.