Integrated Target Detection Device for Unexploded Ordnance
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Solution Overview
Problem
Existing target detection methods for unexploded bombs, such as electromagnetic induction and geomagnetic anomaly detection, suffer from low accuracy and efficiency due to mutual interference between different detection devices.
Innovation Solution
A target detection device and method that integrates a signal source, signal transmission module, signal output module, bearing portion, and processing module, capable of generating a first magnetic field and detecting a second magnetic field induced by the target, allowing for simultaneous geomagnetic anomaly and electromagnetic induction time domain detection modes.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Adaptability or versatility
If multiple independent detection devices are used for electromagnetic induction and geomagnetic anomaly detection, then both detection modes can be implemented, but the devices interfere with each other resulting in low detection accuracy and efficiency
Solution Approach 1:
The patent combines electromagnetic induction detection and geomagnetic anomaly detection into a single integrated detection device. The detection device includes a transmission coil for generating magnetic fields and a receiving coil for detecting magnetic field changes, allowing both detection modes to operate simultaneously without mutual interference from separate devices.
Solution Approach 2:
The detection device is designed with multi-functionality to perform both electromagnetic induction detection and geomagnetic anomaly detection using the same hardware platform. The transmission coil can operate in different modes and the receiving coil can detect different types of magnetic field variations, enabling a single device to replace multiple specialized devices.
2Adaptability or versatility
If multiple independent detection devices are used for electromagnetic induction and geomagnetic anomaly detection, then both detection modes can be implemented, but the operational complexity and coordination requirements increase
Solution Approach 1:
The patent merges multiple detection functions into a single integrated device structure. The transmission coil and receiving coil are positioned relative to each other in a unified housing, with shared control and signal processing circuits, eliminating the need to coordinate multiple independent devices and reducing operational complexity.
3Reliability
If separate detection devices are used for electromagnetic induction and geomagnetic anomaly detection, then each device can be optimized for its specific function, but the overall detection efficiency decreases due to independent operation requirements
Solution Approach 1:
The integrated detection device allows continuous simultaneous operation of both electromagnetic induction and geomagnetic anomaly detection functions. The transmission coil can continuously generate magnetic fields while the receiving coil continuously monitors for target-induced field changes, eliminating the need to switch between or coordinate separate devices, thereby maintaining high detection efficiency.
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 enhances detection accuracy and efficiency by allowing a single set of target detection devices to operate in multiple modes without mutual interference, thereby improving the detection of unexploded bombs.
Implementation Method 1
the signal transmission module is supplied with the step excitation waveform current, the signal transmission module is induced and generates a first magnetic field
Implementation Method 2
a target to be detected is induced and generates a second magnetic field in the first magnetic field
Implementation Method 3
when the signal source is turned off, the signal output module outputs a voltage signal, the voltage signal comprises an oscillating voltage signal when the voltage signal damped vibrates at a natural frequency driven by a step change of the first magnetic field
Data Source
AI summary
The embodiments of the present application provide a target detection device and method, the target detection device comprises: a signal source, a signal transmission module, a signal output module, a bearing portion and a processing module, the signal transmission module is supplied with a step excitation waveform current, the signal transmission module is induced and generates a first magnetic field, a target to be detected is induced and generates a second magnetic field in the first magnetic field, when the signal source is turned off, the signal output module outputs a voltage signal comprising an oscillating voltage signal for detection in a geomagnetic anomaly detection mode and an attenuated voltage signal for detection in an electromagnetic induction time domain detection mode; the processing module is connected to the signal output module, and is used to process the voltage signal and detect the target based on the first signal feature.