Modular Strain Gage Module for Universal Force Measurement
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Solution Overview
Problem
Existing strain sensor technologies face challenges in accommodating structures of varying configurations and sizes while maintaining competitive production costs and efficient force measurement capabilities.
Innovation Solution
A modular strain gage module with standardized external dimensions that can be inserted into cavities or holes of different shapes and sizes, coupled with an electronics module for force detection, allowing for universal application across various structures without altering the structure physically.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Measurement precision
If strain gage modules are customized for each specific structure configuration and size, then measurement accuracy and structural compatibility are improved, but production costs increase and manufacturing efficiency decreases
Solution Approach 1:
The patent implements a universal strain gage module design with standardized external dimensions that can be inserted into cavities of various structures regardless of their specific configuration or size. The module's standardized interface allows it to function across multiple structure types (pins, beams, joints) without customization, achieving both measurement accuracy and cost-effectiveness through mass production of identical modules
2Adaptability or versatility
If strain gage modules are customized for each specific structure configuration and size, then structural compatibility is improved, but productivity decreases
Solution Approach 1:
The strain gage module is designed with universal adaptability through standardized external dimensions and a cavity insertion mechanism that accommodates various structure types. This allows a single module design to serve multiple applications (load pins, structural beams, joint connections) without requiring custom manufacturing for each structure, thereby maintaining high productivity through standardized production processes
Solution Approach 2:
The system separates the strain gage module from the structure it measures, allowing the module to be a standalone, standardized component that can be inserted into different structural cavities. This segmentation enables the module to maintain consistent dimensions for mass production while adapting to various structural applications through the insertion interface
3Measurement precision
If strain gage modules are customized for each specific structure, then measurement accuracy is improved, but device complexity increases
Solution Approach 1:
The patent reduces device complexity by implementing a single standardized strain gage module design that can measure forces in various structures (pins, beams, joints) without requiring multiple specialized module variants. The universal design maintains measurement accuracy across different applications while simplifying the overall system through component standardization
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
Enables cost-effective mass production of strain gage modules and electronics, providing accurate force feedback across diverse applications, including load pins and structural joint monitoring systems, without compromising structural integrity.
Implementation Method 1
The strain gage module may incorporate one or more strain gages that detect a tension or compression on the strain gage module. The one or more strain gages may have a resistance that indicates a magnitude of the tension or compression.
Implementation Method 2
DE 102007012157 describes a modular force transducer system for measuring forces on an axis, where a measuring cell can be introduced into an axial bore of an axle body. Deformation causes an electrical signal.
Data Source
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AI summary
A modular assembly for measuring forces on a structure. The structure may contain a strain gage module that is insertable in a cavity or hole in the structure. There may be numerous structures that can contain a strain gage module. These structures may have various configurations, sizes, and shapes. Despite the various configurations, sizes and shapes, the structures may have cavities or holes of the same size that accept strain gage modules of the same size. Modules of the same size may be easier and less expensive by being produced in multiple quantities, than modules of various sizes. An electronics module may be attached to or separate from the structure. Electronics modules may also be the same items for various structures and be produced in multiple quantities. One example application of the structure may be a strain gage instrumented load pin replacing a standard connecting pin.