Electro-discharge Landmine Neutralization via Plasma Shockwave
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Solution Overview
Problem
Current mechanical demining technologies face issues such as high maintenance costs, terrain and weather limitations, and mobility problems, necessitating a more efficient and sustainable method for landmine neutralization.
Innovation Solution
An electro-hydraulic discharge system using a vehicle-mounted electro-discharge apparatus that generates a high-pressure fluid jet to detonate landmines, employing a water supply tank and electrical power supply to create a plasma bubble and shockwave for effective neutralization.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If mechanical demining systems (chain flails, tillers) are used to detonate landmines, then neutralization effectiveness is achieved, but maintenance costs increase and device reliability decreases
Solution Approach 1:
The patent replaces mechanical impact systems (chain flails, tillers) with an electro-hydraulic discharge system that uses electrical energy to generate high-pressure water jets. The system comprises a water tank, high-voltage power supply, discharge electrodes, and a control unit that triggers electrical discharge to create plasma channels in the water, generating powerful jets that detonate landmines without mechanical contact, thereby eliminating wear and maintenance issues
Solution Approach 2:
The patent utilizes hydraulic principles by employing high-pressure water as the medium for energy transmission. The electro-hydraulic discharge system converts electrical energy into hydraulic energy through plasma-induced water jet formation. The high-pressure water jets are directed at the ground to transmit detonation force, combining electrical discharge technology with hydraulic fluid mechanics to achieve reliable, maintenance-free operation
2Productivity
If powerful engines are used to drive mechanical demining machines, then demining capability is improved, but mobility decreases and soil compaction increases
Solution Approach 1:
The patent eliminates the need for powerful mechanical engines by substituting the demining mechanism with an electro-hydraulic discharge system. The system uses electrical energy stored in capacitors to generate high-voltage discharges that create plasma channels in water, producing high-pressure jets for mine detonation. This substitution dramatically reduces vehicle weight and power requirements while maintaining demining effectiveness
Solution Approach 2:
The patent changes the energy delivery parameters from mechanical force to electrical-hydraulic energy. Instead of using engine power to drive mechanical impactors, the system uses electrical discharge parameters (voltage, current, pulse duration) to generate hydraulic jets. This parameter transformation enables lightweight vehicle design with reduced soil compaction while achieving the same demining productivity
3Productivity
If mechanical demining systems are deployed, then landmine neutralization is achieved, but adaptability to terrain and weather conditions deteriorates
Solution Approach 1:
The patent replaces terrain-sensitive mechanical systems with an electro-hydraulic discharge system that is less affected by environmental conditions. The electrical discharge and high-pressure water jet generation occur in controlled chambers or nozzles, allowing consistent operation across varied terrains and weather. The system can be mounted on lightweight vehicles or even handheld platforms, enhancing adaptability to difficult terrains where heavy mechanical equipment cannot operate
Data Source
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AI summary
A landmine-neutralization system has a vehicle including a water supply tank and an electrical power supply and an electro-discharge apparatus. The electro-discharge apparatus includes one or more electro-discharge nozzles each having a discharge chamber that has an inlet for receiving water from the water supply tank and an outlet, a first electrode extending into the discharge chamber and being electrically connected to one or more high-voltage capacitors that are connected to, and chargeable by, the electrical power supply, a second electrode proximate to the first electrode to define a gap between the first and second electrodes and a switch to cause the one or more capacitors to discharge across the gap between the electrodes to create a plasma bubble which expands to form a shockwave that escapes through one or more exit orifices of the one or more nozzles ahead of the plasma bubble to thereby neutralize a landmine.