Programmable Igniter Driver for Stun Grenade Control
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Solution Overview
Problem
Conventional electronic stun grenades have limited brightness and volume intensity, and their control systems restrict the flexibility in generating multiple bangs or flashes, as the firing order and time intervals are predetermined and cannot be changed post-production.
Innovation Solution
An electronic detonator unit with an igniter driver that allows independent control of igniters, enabling different currents and voltages, and an energy source providing high electrical power, along with a programmable control device that can adjust the ignition sequence and effects, allowing for customizable pyrotechnic events.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Adaptability or versatility
If a programmable control device with igniter driver is used, then the flexibility and customization of ignition sequences are improved, but the device complexity increases
Solution Approach 1:
The patent introduces an igniter driver as an intermediary component between the control device and the igniters. This driver circuit acts as a mediator that receives control signals and translates them into appropriate ignition currents, thereby enabling flexible programmable control while isolating the complexity of current generation from the control logic.
Solution Approach 2:
The control system is segmented into distinct functional modules: the control device for programming ignition sequences, the igniter driver for current amplification and switching, and the igniters for actual discharge. This segmentation allows each component to be optimized independently, managing overall system complexity.
2Illumination intensity
If high current and voltage are provided for pyrotechnic ignition, then the brightness and volume intensity are improved, but the energy storage requirements increase
Solution Approach 1:
The patent employs energy storage devices (capacitors or batteries) that pre-store the electrical energy required for high-intensity pyrotechnic ignition. This preliminary energy storage allows the system to deliver high current and voltage pulses on demand without requiring continuous high-power generation, thus managing energy requirements efficiently.
3Adaptability or versatility
If multiple igniters are independently controlled, then the variety of irritation effects is improved, but the control device complexity increases
Solution Approach 1:
The igniter driver is designed as a multi-functional component that can control multiple igniters through a standardized interface. The control device programs ignition sequences by addressing different igniters through common control lines, allowing one control system to manage multiple pyrotechnic sets with different effects, timings, and intensities without requiring separate control circuits for each igniter.
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 the generation of a wide range of irritation effects with customizable brightness, volume, and timing, providing an enhanced shock effect by allowing programmable ignition sequences and independent control of each pyrotechnic set.
Implementation Method 1
An electronic detonator unit with an igniter driver that allows independent control of igniters, enabling different currents and voltages, and an energy source providing high electrical power
Implementation Method 2
enabling different currents and voltages, and an energy source providing high electrical power, along with a programmable control device that can adjust the ignition sequence and effects
Data Source
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AI summary
The invention relates to an electronic ignition unit (10) for a stun grenade (1), comprising at least one energy source (201, 202, 20n), at least one igniter (701, 702, 70n),at least one control device (60), wherein the electronic ignition device (10) further comprises an igniter driver (30) connected to the at least one energy source (201, 202, 20n) and to the at least one control device (60).