Heat-Sensing Fixing Element for Mechanical Fault Detection

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Solution Overview

Problem

Conventional sensors built into screws fail to effectively detect heat flow issues in mechanical organs, particularly near engines or areas with friction, due to weight and space constraints in vehicles, limiting their ability to monitor operating faults.

Innovation Solution

A fixing element, such as a screw, incorporating a sensing element that detects temperature differences between areas along a heat flow, utilizing thermocouples and a lightweight, high-strength material design to monitor heat flow within mechanical organs, allowing for early fault detection and minimizing installation challenges.

Engineering Contradictions & Design Principles

VSEngineering Contradiction Analysis

1Reliability

If conventional sensors are built into screws for monitoring, then fault detection capability is provided, but weight and space constraints in vehicles are exceeded

Engineering Contradiction:
Improvefault detection capabilityVSAvoidsensor weight
Core Design Contradiction:
ReliabilityVSWeight of moving object

Solution Approach 1:

The patent combines the fixing element (screw) and the sensing element into a single integrated unit. The sensor is built directly into the screw structure, merging two previously separate components (fixing mechanism and monitoring system) into one unified element, thereby eliminating the need for separate sensor housings and reducing overall system weight and space requirements

Inventive Principle:
Principle #5Merging (Combining)

Solution Approach 2:

The fixing element is designed to perform multiple functions simultaneously: it provides mechanical fastening while also serving as a monitoring device for heat flow and fault detection. This multi-functionality allows the system to eliminate dedicated monitoring equipment, reducing weight and space while maintaining reliability

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

2Reliability

If dedicated monitoring systems are installed in vehicles, then operating fault detection is improved, but space and weight constraints are violated

Engineering Contradiction:
Improveoperating fault detectionVSAvoidinstallation space
Core Design Contradiction:
ReliabilityVSArea of stationary object

Solution Approach 1:

The sensing element is nested within the fixing element structure. The sensor components are housed inside the screw body, utilizing the existing structural space of the fixing element rather than requiring separate dedicated spaces in the vehicle. This nesting approach allows monitoring functionality to be embedded without increasing overall system footprint

Inventive Principle:
Principle #7Nested doll (Nesting)

3Measurement precision

If sensors are positioned away from heat sources, then weight and space constraints are met, but heat flow detection accuracy is reduced

Engineering Contradiction:
Improveheat flow detection accuracyVSAvoidsensor system weight
Core Design Contradiction:
Measurement precisionVSWeight of moving object

Solution Approach 1:

The sensing element is positioned locally at the specific location where heat flow measurement is most critical - directly within or adjacent to the mechanical organ being monitored. This localized positioning ensures high measurement precision for detecting heat flow anomalies while the integrated design keeps overall weight minimal

Inventive Principle:
Principle #3Local quality

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 efficient monitoring of heat flow within mechanical organs, facilitating early fault detection and reducing the risk of accidents by providing a compact, lightweight solution for monitoring mechanical organs in vehicles.

Implementation Method 1

A fixing element, such as a screw, incorporating a sensing element that detects temperature differences between areas along a heat flow, utilizing thermocouples

Methodology Applied
Scientific EffectThermocouple: Thermocouple

Implementation Method 2

on the inside of solid bodies of mechanical organs, the heat flow is mainly transmitted through conduction

Methodology Applied
Scientific EffectHeat conduction: Conduction (thermal)

Data Source

PatentEP3304016B1Fixing element with integrated sensing element for sensing a difference of temperature
Publication Date: 2022.03.02 SENS IN SRL
  • EP3304016B1 patent drawingFigure 1~13
  • EP3304016B1 patent drawingFigure 2
  • EP3304016B1 patent drawingFigure 3~5

AI summary

A fixing element (1; 101; 201), a use of a sensitive element (9) to detect a flow of heat on the inside of mechanical organs; wherein the fixing element (1; 101; 201), in particular a screw or a stud, has a body (2; 202) and a sensitive element (9), which is designed to detect a difference of temperature between a first and a second area (A, B) of the body (2; 202) of the fixing element (1; 101; 201), so as to determine, as a function of said difference of temperature, a flow (F) of heat that flows through the fixing element (1; 101; 201) and the mechanical organ (40) where it is installed.