Autonomous Generator Runtime Tracking Using Magnetic and Vibration Sensing
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Solution Overview
Problem
Portable generators lack effective monitoring systems for tracking usage and maintenance, leading to irregular maintenance, potential safety risks, and accelerated deterioration, which can result in a shorter lifespan than expected.
Innovation Solution
An autonomous measurement system is implemented on the generator, comprising at least two sensors that measure physical quantities such as magnetic fields and vibrations. This system provides characteristic information about the generator's operating time, allowing for reliable determination of maintenance needs without electrical connection to the generator.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Measurement precision
If integrated monitoring devices are installed in portable generators, then measurement precision and reliability of operating time tracking is improved, but device complexity and manufacturing cost increase
Solution Approach 1:
The patent replaces electrical/electronic monitoring systems with a mechanical measurement approach. A magnetic sensor detects the rotational motion of the alternator shaft mechanically, converting physical motion into operational time data without requiring complex electrical connections or integrated circuitry within the generator.
Solution Approach 2:
The patent introduces a magnetic sensor as an intermediary device that indirectly measures operating time by detecting the rotational motion of the alternator shaft. This intermediary approach allows accurate measurement without direct electrical connection to the generator's internal systems, simplifying the overall monitoring solution.
2Device complexity
If manual estimation of operating times is used, then device complexity is reduced, but reliability of maintenance scheduling deteriorates
Solution Approach 1:
The monitoring system is designed to be self-contained and autonomous, requiring no external power source or complex integration with the generator's electrical system. The magnetic sensor passively detects shaft rotation and automatically accumulates operating time data, enabling reliable maintenance scheduling through simple, autonomous operation.
Solution Approach 2:
The patent replaces manual estimation practices with an automated mechanical sensing system. The magnetic sensor continuously and objectively records operational periods by detecting alternator shaft rotation, eliminating human error and subjectivity in tracking usage time for maintenance purposes.
3Measurement precision
If electrical connection methods are used for monitoring, then measurement precision is improved, but ease of operation and installation deteriorates
Solution Approach 1:
The magnetic sensor serves as a non-intrusive intermediary that measures alternator shaft rotation without requiring electrical connection to the generator's internal circuits. This allows the sensor to be mounted externally on the shaft or housing, dramatically simplifying installation while maintaining measurement accuracy.
Solution Approach 2:
The patent replaces electrical connection methods with a mechanical sensing approach. By using a magnetic sensor to detect the rotational motion of the alternator shaft, the system eliminates the need for wire connections, circuit integration, or electrical isolation measures, making installation straightforward and maintenance-free.
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 solution enables users to perform or schedule maintenance effectively, ensuring the generator's reliability and extending its lifespan by providing accurate and reliable monitoring of operating times and conditions.
Implementation Method 1
measurement of a first physical quantity, using a first of said sensors
Implementation Method 2
measurement of a second physical quantity, using a second of said sensors
Data Source
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AI summary
The invention relates to a method for monitoring the usage time of a generator set, said method being capable of providing at least one characteristic piece of information regarding the operating time of said generator set. According to the invention, the method employs a self-contained measuring device.Furthermore, the said method comprises the following steps, implemented by the said autonomous device, when it is attached to a chassis of the said generator set and carrying at least two sensors: - measurement (10) of a first physical quantity, using a first of the said sensors; - measurement (20) of a second physical quantity, using a second of the said sensors; - analysis (30) of the said first and second physical quantities, providing information representative of an operating state of the said generator set; - determination (40) of information representative of an overall operating time of the said generator set, by accumulating the time during which the said information representative of an operating state is provided, and - storage (50) of the said information representative of an overall operating time of the said generator set.