Low-Voltage Power Distribution Device State Detection
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Solution Overview
Problem
Low-voltage power distribution apparatuses using the lower incoming line connection approach face issues where the control circuit board remains charged after tripping, leading to unnecessary tripping mechanism operations and potential burnout, and disabling fault detection mechanisms does not adequately address safety concerns.
Innovation Solution
A low-voltage power distribution apparatus with conductive pins, an elastic element, and a drive part that forms a conductive path to the control unit upon switching, enabling intelligent control and closed-loop detection of the apparatus' state, allowing the tripping mechanism to operate only when necessary, thus preventing unnecessary tripping actions.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If the control circuit board remains charged after tripping in lower incoming line connection, then the tripping mechanism may operate unnecessarily and potentially burnout, but disabling fault detection mechanisms does not adequately address safety concerns
Solution Approach 1:
The patent implements a feedback mechanism where the detecting unit monitors the state of the power distribution apparatus and sends detection results to the control unit. The control unit receives feedback about whether the apparatus is in a closed or open state, and only triggers the tripping mechanism when appropriate feedback indicates a fault condition while in the closed state. This prevents unnecessary tripping operations while maintaining safety through continuous monitoring.
Solution Approach 2:
The detecting unit automatically detects the state of the power distribution apparatus and provides information to the control unit without requiring external intervention. The system serves itself by having the detecting unit continuously monitor and report the apparatus state, enabling the control unit to make intelligent decisions about when tripping is necessary, thus preventing both unnecessary operations and safety hazards.
2Productivity
If the control unit intelligently controls the tripping mechanism based on detected state, then unnecessary tripping operations are prevented, but additional detection components are required
Solution Approach 1:
The detecting unit serves multiple functions: it detects whether the power distribution apparatus is in a closed or open state, provides this information to the control unit, and enables the control unit to make intelligent decisions about tripping operations. By making the detecting unit multi-functional, the patent avoids adding separate components for each function, thus improving operational efficiency while limiting the increase in device complexity.
Solution Approach 2:
The patent merges the detection function and control function into an integrated system where the detecting unit and control unit work together. The detecting unit combines state detection with information provision to the control unit, and the control unit combines received information with tripping control decisions. This merging reduces the need for separate independent components, achieving better operational efficiency with controlled complexity.
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
This solution ensures the tripping mechanism operates only when necessary, preventing burnout and enhancing safety by allowing the control unit to accurately determine the apparatus' state, thereby prolonging its service life and ensuring user safety.
Implementation Method 1
an elastic element comprising an helix portion and a first free end, the helix portion being conductively coupled to the first conductive pin
Data Source
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AI summary
The present disclosure relates to a low-voltage power distribution apparatus capable of detecting a predetermined state. The low-voltage power distribution apparatus comprises: a group of conductive pins at least comprising a first conductive pin and a second conductive pin; an elastic element comprising an helix portion and a first free end, wherein the helix portion is conductively coupled to the first conductive pin; and a drive part pivotally arranged in the low-voltage power distribution apparatus and operable to rotate from a first position to a second position in response to the low-voltage power distribution apparatus being switched to the predetermined state, so as to enable the first free end of the elastic element to contact the second conductive pin. The detection of the predetermined state achieves a closed-loop control of the low-voltage power distribution apparatus. The control unit 202 can make a clearer judgment of the state of the low-voltage power distribution apparatus 200, so as to avoid damaging the low-voltage power distribution apparatus 200 and its load and circuit.