Wireless Synchronized Metal Detector for Rapid Deployment
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Solution Overview
Problem
Traditional continuous wave walk-through metal detectors are not suitable for rapid deployment and withdrawal in large public places due to their bulky nature and requirement for systematic assembly and disassembly, which hinders quick installation and emergency response situations.
Innovation Solution
A continuous wave detection system with a transmitter assembly and a receiver assembly that are distinct and separate, utilizing wireless communication to realign phase clocks and synchronize frequencies, allowing for quick deployment and withdrawal without physical connections, and using multiple coils for enhanced detection.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If traditional continuous wave walk-through metal detectors are used, then detection reliability is improved, but deployment speed deteriorates due to bulky structure and systematic assembly requirements
Solution Approach 1:
The detection system is divided into two independent columns (transmitter column and receiver column) that can be separately transported and quickly deployed. Each column functions independently but communicates wirelessly, eliminating the need for physical assembly of a unified structure and enabling rapid setup in emergency situations.
2Measurement precision
If traditional wired connection between transmitter and receiver is used, then phase coherence is improved, but adaptability deteriorates due to physical connection requirements
Solution Approach 1:
The mechanical wired connection between transmitter and receiver is replaced with wireless communication (radio frequency or optical). This substitution maintains phase coherence through electronic synchronization while eliminating physical connection constraints, allowing the system to be deployed in diverse environments including areas with limited access or emergency exits.
3Loss of time
If pre-assembled detectors on rolling trolleys are used, then deployment time is reduced, but adaptability deteriorates in large public places without suitable storage areas
Solution Approach 1:
The system is segmented into two separate columns that can be independently transported to the deployment location. This eliminates the need for pre-assembly on trolleys and storage areas, as each column can be carried separately and quickly set up in any location, including large public places without suitable storage facilities.
Solution Approach 2:
The mechanical trolley-based transport and assembly system is replaced with wireless communication between columns. This allows the columns to be independently positioned and deployed without requiring pre-assembly infrastructure, significantly improving adaptability to various deployment environments.
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 rapid and effective detection of metallic objects with reduced false alarms and no need for physical reassembly, suitable for quick setup and teardown in various environments.
Implementation Method 1
the transmitter coil emits a magnetic field
Data Source
AI summary
A continuous wave system continuous wave system for detecting metal objects, comprising a transmitter assembly comprising transmitter coils (Tx1, . . . , Txm) and a first clock, a receiver assembly comprising receiver coils (Rx1, . . . , Rxn) housed in a second separate column and a second clock, a detector configured to detect an instant of zero crossing of all the electrical signals of the transmitter assembly and the receiver assembly, a signal generator configured to generate a phase realignment signal synchronized to said zero-crossing instant and a wireless communication interface configured to transmit the phase realignment signal so as to realign the phase of the first clock and the second clock.