Current Sensor Bent Conductors Housing Assembly
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Solution Overview
Problem
Current current sensors have low detection sensitivity and are difficult to assemble due to rigid conductor arrangements and shielding configurations, which restrict flexibility and accuracy in measuring currents.
Innovation Solution
The design incorporates flexible primary conductors with arch-shaped and inverted-arch-shaped portions that surround the housing, allowing for easy assembly and increased sensitivity by positioning magnetic sensors optimally to detect magnetic fields generated by the current.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Stability of the object's composition
If primary conductors are inserted through holes in the housing with rigid arrangements, then the current sensor structure is stable, but the assembly becomes difficult and conductor shape flexibility is reduced
Solution Approach 1:
The primary conductors are designed with bent portions that can flexibly surround the housing, replacing rigid through-hole insertion with flexible wrapping structures that maintain stability while enabling easier assembly
Solution Approach 2:
The conductor configuration transitions from fixed rigid positions to dynamic flexible arrangements, allowing the conductors to adapt their shape around the housing during assembly while maintaining stable operational positions
2Device complexity
If magnetism detection devices are disposed below central portions of primary conductors, then the device structure is simple, but the current detection sensitivity is low
Solution Approach 1:
The detection arrangement moves from a single position below the conductor to multiple positions including side portions and upper/lower surfaces, utilizing three-dimensional spatial distribution to enhance sensitivity while maintaining structural simplicity
3Device complexity
If shields are disposed with predetermined gaps between end portions, then the housing structure is simple, but external magnetic field interference is reduced insufficiently
Solution Approach 1:
The shields are connected to form continuous structures that completely surround the primary conductors, merging discrete shield segments into integrated protective enclosures that block external magnetic fields while maintaining housing simplicity
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
The solution enhances the sensitivity and ease of assembly of current sensors, reducing external magnetic field interference and improving measurement precision while allowing for flexible conductor arrangements.
Implementation Method 1
a plurality of magnetic sensors, each of which corresponds to one of the plurality of primary conductors and detects an intensity of a magnetic field generated by the current to be measured that flows through the corresponding primary conductor
Data Source
AI summary
In a current sensor, primary conductors each include front and back surfaces, a length direction, a width direction orthogonal or substantially orthogonal to the length direction, and a thickness direction orthogonal or substantially orthogonal to the length direction and the width direction, and further include a bent portion surrounding at least a portion of an outer periphery of a housing at an intermediate position in the length direction when viewed in the width direction. The housing is disposed in a region surrounded by the bent portion of each of the plurality of primary conductors when viewed in the width direction.