Wire Sensing Apparatus Using Resonance Frequency for Object Detection
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Solution Overview
Problem
Current technologies face challenges in detecting the state of objects at a low cost, regardless of object types and application environments, using the principles of static electricity and resonant frequency.
Innovation Solution
A wire sensing apparatus comprising a vibrable wire part, a generator that generates electrostatic force to produce electric energy, and a sensor part connected to measure the resonance frequency of the wire part to detect object states, utilizing a charged layer and electrode layer made of conductive materials like PTFE, aluminum, ITO, or graphene, and calculating resonance frequencies in real time through ARDUINO™ Coding.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Adaptability or versatility
If conventional detection methods are used, then detection accuracy can be maintained, but cost increases and versatility decreases
Solution Approach 1:
The wire sensing apparatus uses a single wire structure that can detect multiple types of objects (insects, debris, ice, snow) by analyzing resonance frequency changes. The same apparatus adapts to different environmental conditions (temperature, humidity) without requiring separate detection systems, achieving universal detection capability across diverse application scenarios.
Solution Approach 2:
The system uses the wire's own vibrational properties and resonance characteristics as the sensing mechanism, eliminating the need for complex external sensors. The wire itself serves as both the actuator (when vibrated) and the sensor (by measuring its resonance frequency), reducing overall system complexity and cost.
2Measurement precision
If simple detection methods are used, then cost decreases, but measurement precision and reliability worsen
Solution Approach 1:
The system excites the wire to vibrate at its resonant frequency and measures changes in this frequency to detect objects. By using the wire's natural vibrational characteristics rather than complex electronic sensors, the system achieves precise detection while maintaining simplicity. The resonance frequency serves as a sensitive indicator of mass changes on the wire surface.
Solution Approach 2:
The detection method monitors changes in the wire's resonance frequency parameter, which changes in response to objects adhering to the wire. This parameter-based detection approach provides high measurement precision by tracking subtle frequency shifts rather than requiring complex multi-parameter measurements.
3Loss of energy
If external power supply is used, then energy availability is ensured, but energy loss increases and sustainability decreases
Solution Approach 1:
The wire sensing apparatus generates its own operating energy through the vibration of the wire itself. The mechanical energy used to vibrate the wire is converted into detectable electrical signals, eliminating the need for separate power supplies and reducing overall energy consumption. The system is self-powered through its own operational movements.
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 detection of object states by generating electric energy through interference, allowing for low-cost sensors that can adjust to various conditions and self-power through triboelectric energy harvesting, with accurate resonance frequency measurements and real-time detection capabilities.
Implementation Method 1
a generator configured to generate electrostatic force through interference with the wire part to generate electric energy
Implementation Method 2
a sensor part connected to at least one of the wire part and the generator and configured to measure a resonance frequency of the wire part
Data Source
AI summary
Disclosed is a wire sensing apparatus including a vibrable wire part; a generator configured to generate electrostatic force through interference with the wire part to generate electric energy; and a sensor part connected to at least one of the wire part and the generator and configured to measure a resonance frequency of the wire part to detect a state of an object. According to such a configuration, a sensor applicable to various conditions can be provided at low cost.