Sensor Attachment Assembly for Bus Bar Integration

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Solution Overview

Problem

Electrical systems face challenges in quickly and easily attaching sensors to bus bars, particularly in low or medium voltage systems, requiring solutions that minimize complexity, cost, and ensure secure attachment even in high-temperature environments without using separate fasteners.

Innovation Solution

A sensor attachment assembly featuring an adjustable elongated strap that wraps around a bus bar and secures to a sensor housing using protrusions and holes, providing a resilient and adjustable design that maintains attachment in high temperatures without requiring modifications to the bus bar.

Engineering Contradictions & Design Principles

VSEngineering Contradiction Analysis

1Reliability

If traditional separate fasteners are used to attach sensors to bus bars, then the attachment is secure, but the device complexity and number of parts increase

Engineering Contradiction:
Improveattachment securityVSAvoidnumber of parts
Core Design Contradiction:
ReliabilityVSDevice complexity

Solution Approach 1:

The patent combines the sensor housing and fastening member into a single integrated attachment assembly. The fastening member is directly coupled to the sensor housing, eliminating the need for separate fasteners and reducing the total number of parts while maintaining secure attachment functionality.

Inventive Principle:
Principle #5Merging (Combining)

Solution Approach 2:

The attachment assembly is designed to be universally applicable to different bus bar configurations. The fastening member can wrap around various bus bar shapes and sizes, and the assembly serves multiple functions including mechanical attachment, positioning, and securing in a single integrated unit.

Inventive Principle:
Principle #6Universality (Multi-functionality)

2Reliability

If the attachment assembly uses multiple separate fasteners, then the attachment is more secure, but the ease of manufacture and assembly decreases

Engineering Contradiction:
Improveattachment securityVSAvoidassembly complexity
Core Design Contradiction:
ReliabilityVSEase of manufacture

Solution Approach 1:

The sensor housing and fastening member are manufactured as an integrated unit or pre-assembled component, simplifying the manufacturing process. This integration reduces the number of assembly steps required during installation while maintaining the security benefits of a robust fastening system.

Inventive Principle:
Principle #5Merging (Combining)

3Reliability

If the attachment assembly is made rigid to ensure secure attachment, then the attachment security improves, but the adaptability to different bus bar configurations decreases

Engineering Contradiction:
Improveattachment securityVSAvoidadaptability to different bus bar configurations
Core Design Contradiction:
ReliabilityVSAdaptability or versatility

Solution Approach 1:

The fastening member incorporates adjustable elements that allow it to adapt to different bus bar configurations. The assembly can be adjusted during installation to accommodate various shapes, sizes, and orientations of bus bars while maintaining secure attachment through its rigid fastening mechanism.

Inventive Principle:
Principle #15Dynamics

4Productivity

If the attachment assembly is designed for quick attachment, then the productivity improves, but the reliability of attachment in high-temperature environments may decrease

Engineering Contradiction:
Improveattachment speedVSAvoidattachment security in high temperature
Core Design Contradiction:
ProductivityVSReliability

Solution Approach 1:

The fastening member is pre-configured with attachment features that enable quick installation while maintaining secure fastening. The design allows for rapid attachment during installation, and the integrated structure ensures that the attachment remains reliable under high-temperature operating conditions without requiring complex adjustment mechanisms.

Inventive Principle:
Principle #10Preliminary action

Data Source

PatentUS9326399B2Electrical system and sensor attachment assembly and method therefor
Publication Date: 2016.04.26 EATON INTELLIGENT POWER LTD
  • US9326399B2 patent drawing
  • US9326399B2 patent drawing
  • US9326399B2 patent drawing

AI summary

A sensor attachment assembly for an electrical system includes a sensor housing at least partially enclosing a sensor, and a fastening member coupled to the sensor housing and being structured to extend from one portion of the sensor housing, around a corresponding electrical conductor of the electrical system and attach to another portion of the sensor housing, in order to removably attach the sensor to the electrical conductor.