Rotary Switch Reset Locking Mechanism for Reliable Remote Switching
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Solution Overview
Problem
Conventional rotary switches in photovoltaic systems face issues with reliable remote reset functionality, leading to failures in automatic switch-on and switch-off operations if the reset operation is not successfully performed.
Innovation Solution
An operation apparatus for a rotary switch featuring a motion member and a fastener with an accommodating cavity, allowing the motion member to switch between a lock position and a working position, where the motion member can reset the release, ensuring reliable reset and preventing unauthorized operations.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Extent of automation
If the rotary switch is driven to control switch-on or switch-off of the circuit breaker without ensuring reset operation, then remote switching function can be implemented, but automatic switch-on and switch-off function will fail
Solution Approach 1:
The patent applies preliminary action by requiring the reset operation to be performed before the rotary switch can control the circuit breaker. The motion member must first reset the release mechanism, and only then can the rotary switch be operated to control switching. This ensures the circuit breaker is in a ready state before remote switching operations, preventing failure of automatic switch-on and switch-off functions.
2Ease of operation
If the motion member is allowed to rotate freely without position restriction, then operation flexibility is improved, but unauthorized operations cannot be prevented
Solution Approach 1:
The patent segments the motion member's movement into distinct phases: a reset phase where the motion member moves to reset the release, and a rotation phase where it can control switching. The guide channel and guide piece structure creates separate operational zones, ensuring that reset must occur first, then rotation is enabled. This segmentation prevents unauthorized direct rotation while maintaining operational flexibility through defined movement stages.
Data Source
AI summary
An operation apparatus for a rotary switch and a rotary switch relate to the field of switch technologies. The operation apparatus for a rotary switch includes a motion member and a fastener having an accommodating cavity. The motion member passes through the accommodating cavity, and the motion member is driven to move in the accommodating cavity and can be switched between a lock position and a working position. The lock position restricts rotation of the motion member. When the motion member is in the working position, a release can be reset under action of the motion member. The operation apparatus for the rotary switch provides for reliable reset of the release.