Handheld Infrared Imaging Device for Stud Detection
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Solution Overview
Problem
Traditional stud finders often provide incorrect readings due to material and construction variations, leading to false positives or missed studs, as they rely on error-prone methods and are not effective in detecting underlying structures behind walls.
Innovation Solution
A handheld infrared imaging device that utilizes IR imaging techniques to detect studs by analyzing thermal gradients, combining IR image data with traditional stud finder data to provide accurate location indicators, such as visual representations and laser pointers, for precise detection of underlying structures.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Measurement precision
If traditional stud finder methods (electromagnetic, magnetic, capacitive sensors) are used to detect studs, then the device can identify underlying structures, but the detection accuracy deteriorates due to material and construction variations causing false positives or missed studs
Solution Approach 1:
The patent combines traditional stud finder sensors (electromagnetic, magnetic, capacitive) with infrared imaging technology into a single integrated device. The infrared sensor detects thermal patterns and heat flow through the wall, while traditional sensors provide complementary data. By merging these different detection methods, the system overcomes the limitations of individual sensors and achieves more reliable and accurate stud detection across various wall materials and construction types.
Solution Approach 2:
The infrared imaging technology serves as an intermediary that visualizes thermal patterns and heat flow through the wall structure. Instead of directly detecting studs through electromagnetic or capacitive fields that are affected by material variations, the infrared sensor mediates by detecting temperature differences caused by heat conduction through studs versus insulation, providing a complementary detection pathway that is less susceptible to construction variability.
2Loss of information
If infrared imaging technology is used to detect thermal patterns, then visual representation of heat flow is improved, but device complexity increases due to integration of multiple sensor types and processing requirements
Solution Approach 1:
The infrared imaging sensor serves multiple functions within the device: it detects thermal patterns for stud location, visualizes heat flow through the wall, and provides complementary data to traditional sensors. By making the infrared subsystem multi-functional, the patent reduces overall device complexity compared to having separate dedicated systems for each function, as the same hardware platform supports multiple detection and visualization capabilities.
Solution Approach 2:
The system integrates data processing and fusion capabilities that automatically combine information from infrared and traditional sensors without requiring external processing equipment. The device self-services by performing real-time data fusion, thermal pattern analysis, and stud location determination internally, reducing the need for additional external systems and simplifying the overall operational complexity.
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 device effectively identifies stud locations by visualizing thermal patterns, reducing errors and providing reliable detection of studs and other underlying structures, including live electrical wires, with enhanced accuracy and user-friendly interface.
Implementation Method 1
an infrared imaging sensor configured to generate infrared image data representing a heat pattern of a target scene
Implementation Method 2
Heat travels through the wall structures which are in direct contact with each other through a process known as conduction
Implementation Method 3
analysis of the heat pattern of an area under analysis can provide information regarding the locations of studs in a wall due to such differences in thermal energy transfer
Data Source
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AI summary
Tools used to detect underlying structures, such as behind the surface of a wall, can include a first sensor, such as an electromagnetic sensor, configured to generate data indicative of the location of the underlying structure. Tools can include an indicator that provides an indication to a user based on the data. Tools can additionally or alternatively include an infrared imaging device for generating infrared image data indicative of the heat pattern of a scene. A display can display the generated infrared image data. Underlying structures may be visible in the heat pattern of the scene. The tool can indicate the presence of an underlying structure feature to an operator via one or both of the display and the indicator.