Micro Switch Power Connector Sealed Monitoring Design
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Solution Overview
Problem
Existing micro-switch monitored panel-mount connectors are vulnerable to debris and vibration, and they obstruct the use of buss bar connections due to the external mounting of the actuator rod and micro-switch, leading to reliability and maintenance issues in harsh industrial environments.
Innovation Solution
A micro-switch monitored panel-mount connector design with an internal actuator rod assembly and laterally mounted micro-switch, allowing for a sealed and stable configuration that leaves the axial end unobstructed for buss bar connections, using a cam surface to reduce play and enhance precision.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If the actuator rod and micro-switch are mounted externally at the axial end of the connector, then the connection status can be monitored, but the assembly is exposed to debris and vibration causing reliability issues
Solution Approach 1:
The actuator rod is nested within the connector body, extending internally from the rear axial end toward the front. The micro-switch is mounted internally within the connector housing, with its plunger accessible to the actuator rod but protected from external contaminants. This nesting arrangement allows the monitoring function to operate while shielded from harmful external factors.
Solution Approach 2:
The micro-switch is repositioned from the traditional axial end mounting to a lateral mounting position on the connector body. This dimensional change allows the micro-switch to be accessed from the side rather than the front, enabling it to be positioned within the protected internal volume of the connector while still being actuated by the internal actuator rod.
2Reliability
If the actuator rod and micro-switch are mounted at the axial end of the connector, then connection monitoring is achieved, but buss bar connections are obstructed
Solution Approach 1:
The micro-switch is mounted laterally on the connector body rather than at the axial end, changing the spatial dimension of the monitoring component. This lateral positioning removes the obstruction to axial buss bar connections while preserving the monitoring function through internal actuator rod engagement.
Solution Approach 2:
The connector assembly is segmented into distinct functional zones: the axial end is reserved for power connections (buss bars), the internal volume contains the actuator rod and micro-switch monitoring mechanism, and the lateral surface provides mounting for the micro-switch. This segmentation allows each function to operate without interfering with others.
3Ease of operation
If the actuator rod extends out of the panel-mount assembly to activate the micro-switch, then connection status can be detected, but wear and fouling occur
Solution Approach 1:
The actuator rod is nested within the connector body, extending internally rather than externally. The micro-switch plunger is nested within the micro-switch housing, accessible only through an internal opening. This nested configuration allows the actuation mechanism to function while both the actuator rod and plunger are protected from external contaminants that cause wear and fouling.
Data Source
AI summary
A micro-switch monitored, single-pole connector is disclosed. The micro-switch is mounted to the body of the connector. The micro-switch plunger and the end of an actuating member are enclosed in a sealed chamber, thus protecting these components from debris. The connector may be a panel-mounted model or a cable-to-cable model. A standard type connection, such as a buss bar connection, is provided at the axial end of the connector.