Snap-On Current Sensor Assembly for Secure Conductor Attachment
Find Innovative SolutionsGenerate Solutions
Solution Overview
Problem
Current sensors relying on mechanical fasteners for attachment to conductors are prone to becoming loose or lost, leading to unreliable measurements and potential loss of function.
Innovation Solution
A snap-on assembly that secures a conductor without mechanical fasteners, using a housing with inserts and wire ties or extensions to hold the conductor in place, ensuring secure attachment and preventing movement.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If mechanical fasteners (screws with nuts) are used to secure the sensor onto the busbar or cable, then the sensor can be attached to the conductor, but the fastener may become loose or lost, causing the sensor to become loose and resulting in unreliable results or loss of function
Solution Approach 1:
The patent removes the mechanical fastener component entirely and replaces it with a snap-on mechanism where the sensor housing directly engages with the conductor through an insertion opening, eliminating the screw-nut assembly that could become loose or lost
Solution Approach 2:
The sensor assembly secures itself to the conductor through the snap-on mechanism without requiring external fasteners, allowing the sensor to maintain its own attachment reliability through the housing structure and insertion opening design
2Reliability
If a snap-on mechanism without mechanical fasteners is used to secure the sensor, then the sensor attachment becomes more reliable, but the device structure becomes more complex with inserts and wire ties
Solution Approach 1:
The patent divides the securing mechanism into separate functional components: a housing with an insertion opening for initial placement, an insert with extensions for securing, and wire ties for final fixation, allowing each component to perform its specific function in the attachment process
Solution Approach 2:
The insert is pre-configured with extensions that fit into the housing and are designed to be tightened with wire ties before final assembly, ensuring the conductor is securely held in place during installation and operation
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
Provides reliable current sensing by preventing loose or lost attachments, maintaining consistent measurement performance even in harsh environments.
Implementation Method 1
The sensor measures a magnetic field resulting from a current traveling through the conductor
Data Source
AI summary
A snap-on assembly includes a housing that holds an integrated circuit with a sensor. A connector supplies power to the integrated circuit and transmits a signal from the integrated circuit to an electronic circuit. An insert fits into an opening of the housing and secures a conductor in the housing without a mechanical fastener. The sensor measures a magnetic field resulting from a current traveling through the conductor.