Switchgear Coupling Rod Control for Switching and Interlocking
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Solution Overview
Problem
Existing switchgear modules lack an efficient and reliable control system that allows seamless operation with optimized flexibility and reliability, particularly in low-voltage applications.
Innovation Solution
A multi-use control system for switchgear modules, comprising a first pivoting element connected to an operating element, a second pivoting element connected to the switchgear module, coupling elements, and an interlocking element, allowing the system to pivot between different angular positions for switching and interlocking operations.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If a separate control system is used for switching and interlocking mechanisms, then reliability is improved, but device complexity increases
Solution Approach 1:
The patent combines the switching mechanism and interlocking mechanism into a single integrated control system. The operating element is connectable to both the switching mechanism and the interlocking mechanism, allowing both functions to be controlled through one unified interface rather than requiring separate control systems. This merging reduces overall device complexity while maintaining the reliability benefits of having both mechanisms properly coordinated.
Solution Approach 2:
The operating element serves multiple functions by being connectable to both the switching mechanism and the interlocking mechanism. This single element can control both the switching of electrical connections and the interlocking of mechanical components, providing universal control capability. The multi-functionality of the operating element eliminates the need for separate control elements, thereby reducing device complexity while ensuring reliable operation of both mechanisms.
2Ease of operation
If a single operating element controls both switching and interlocking, then ease of operation is improved, but reliability may worsen due to potential interference between mechanisms
Solution Approach 1:
The patent implements dynamic connectivity between the operating element and the two mechanisms. The operating element can be selectively connected to either the switching mechanism or the interlocking mechanism based on operational requirements. This dynamic configuration allows the system to optimize for either ease of operation (when both are connected) or reliability (when interference risk exists and one connection is prioritized), providing operational flexibility without sacrificing safety.
Solution Approach 2:
The patent introduces a coupling mechanism that acts as an intermediary between the operating element and the two controlled mechanisms. This coupling element manages the connection and disconnection between the operating element and each mechanism, ensuring that interference is prevented through controlled engagement. The intermediary coupling mechanism coordinates the operation timing and force transmission, maintaining reliability while enabling ease of operation through unified control.
Data Source
Figure 1~1(d)
Figure 2~3(b)
Figure 4
AI summary
The invention relates to a multi-use control system (100) for a switchgear module (10), which comprises a first pivoting element (110) being connectable to an operating element (160), a second pivoting element (120) that is connectable to a switchgear module (10) being switchable between the plurality of modes of operation, at least one coupling element (131, 132) configured to connect the first and second pivoting elements (120) and an interlocking element (200) configured to secure the switchgear module to or release the switchgear module from a compartment. The at least one coupling element is configured to allow the first and second pivoting elements pivoting for switching the switchgear module between the plurality of modes of operation, when the operating element (160) pivots between the first group of angular positions (161, 162, 163), and allow the first pivoting element interconnecting with the interlocking element for securing or releasing the switchgear module, when the operating element (160) pivots between the second group of angular positions (163, 164).