Sensor Holder Magnetic Position Detection for Measurement Location

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Solution Overview

Problem

Current sensor kits face challenges in accurately and automatically determining the measurement location, especially in dynamic applications where manual input is inefficient and prone to errors.

Innovation Solution

The integration of a magnetically active region on the sensor unit holder and a magnetic field sensor in the sensor unit allows for the precise, reliable, and automatic determination of the relative position, eliminating the need for manual input.

Engineering Contradictions & Design Principles

VSEngineering Contradiction Analysis

1Measurement precision

If manual input is used to enter measurement location, then the system can identify the measuring location, but the process is time-consuming and error-prone

Engineering Contradiction:
Improvemeasurement location accuracyVSAvoidtime for manual input
Core Design Contradiction:
Measurement precisionVSLoss of time

Solution Approach 1:

The patent replaces the manual mechanical input system with an automatic magnetic field-based detection system. The sensor unit uses a magnetic field sensor to automatically detect the position of a magnetically active region on the holder, eliminating the need for manual entry of measurement location information.

Inventive Principle:
Principle #28Mechanics substitution (Replace mechanical system)

Solution Approach 2:

The system enables self-service by allowing the sensor unit to automatically determine its own measurement location through magnetic field detection. The holder with the magnetically active region serves as a passive reference that the sensor unit autonomously detects and uses to identify the measuring location without human intervention.

Inventive Principle:
Principle #25Self-service

2Reliability

If manual input is used to enter measurement location, then the system can identify the measuring location, but errors are more likely to occur

Engineering Contradiction:
Improvemeasurement location identification reliabilityVSAvoidmanual input complexity
Core Design Contradiction:
ReliabilityVSEase of operation

Solution Approach 1:

The patent replaces the error-prone manual input process with an automatic magnetic field detection system. The magnetic field sensor automatically and reliably detects the position of the magnetically active region, eliminating human errors associated with manual entry while maintaining ease of operation through simple attachment.

Inventive Principle:
Principle #28Mechanics substitution (Replace mechanical system)

3Productivity

If automatic detection is implemented, then time is saved and reliability improves, but device complexity increases

Engineering Contradiction:
Improvemeasurement process efficiencyVSAvoidsensor kit structure
Core Design Contradiction:
ProductivityVSDevice complexity

Solution Approach 1:

The patent introduces a magnetically active region as an intermediary element between the holder and the sensor unit. This simple magnetic marker serves as a communication medium that enables automatic position detection without requiring complex electronic systems in the holder, thus minimizing the increase in overall device complexity.

Inventive Principle:
Principle #24Intermediary (Mediator)

Solution Approach 2:

The patent uses magnetic field detection to replace complex manual input mechanisms, achieving automatic detection with minimal added complexity. The magnetic field sensor and magnetically active region provide a simple yet effective solution that significantly improves productivity without requiring sophisticated systems.

Inventive Principle:
Principle #28Mechanics substitution (Replace mechanical system)

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

This solution enables automatic and reliable assignment of measured values to the measurement location, even under changing conditions, improving the precision and efficiency of sensor kit operations.

Implementation Method 1

a magnetically active region (5) is formed on the sensor unit holder (1), and the sensor unit (2) has a magnetic field sensor (6) with which a relative position of the magnetically active region (5) to the sensor unit (2) can be determined

Methodology Applied
Scientific EffectMagnetic field: Magnetic Field

Data Source

PatentEP4257930B1Automatic measurement location detection of a sensor data logger
Publication Date: 2025.05.21 TESTO SE & CO KGAA
  • EP4257930B1 patent drawingFigure 1

AI summary

In a sensor kit (11) with a sensor unit (2) and at least one sensor unit holder (1), wherein a magnetically active area (5) is formed on the sensor unit holder (1) and the sensor unit (2) has a magnetic field sensor (6), it is proposed that a relative position of the magnetically active area (5) to the sensor unit can be determined.