Compact Strobe Device Trigger Coil Integration
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Solution Overview
Problem
Conventional strobe devices are not compact due to the arrangement of the trigger coil and reflector, which results in increased size and potential illumination failures from imperfect lead wire connections.
Innovation Solution
A strobe device configuration featuring a conductive reflector acting as an external trigger electrode, a trigger coil with a hollow core and wound windings, and an elastic conductor connecting the secondary winding to the reflector, allowing the flash discharge tube to be inserted into the core and reducing the need for lead wires, thus achieving a compact and thin design.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If the trigger coil is disposed near the reflector with direct contact configuration, then illumination reliability is improved by eliminating lead wire contact issues, but device compactness deteriorates due to increased spatial arrangement requirements
Solution Approach 1:
The patent combines the trigger coil and reflector into a single integrated component, where the reflector serves dual functions as both the light-reflecting surface and the trigger electrode. This merging eliminates the need for separate lead wires connecting the trigger coil to the reflector, thereby improving illumination reliability while maintaining device compactness through functional integration.
Solution Approach 2:
The reflector is designed to perform multiple functions: it reflects light from the flash discharge tube and simultaneously serves as the trigger electrode for initiating the flash. This multi-functionality eliminates the need for separate trigger electrode components and lead wires, resolving the contradiction between reliability and compactness by reducing the number of components and connections required.
2Ease of manufacture
If lead wires are used to connect the reflector and trigger coil, then electrical connection is achieved, but connection reliability deteriorates due to imperfect contact
Solution Approach 1:
The patent extracts and eliminates the lead wire component from the system by making the reflector itself conductive and directly functional as the trigger electrode. This removal of the lead wire eliminates the source of connection reliability problems while maintaining ease of manufacture through simplified assembly without delicate wiring operations.
3Device complexity
If the trigger coil is disposed behind or under the reflector, then electrical connection is simplified, but device thickness increases reducing compactness
Solution Approach 1:
The patent merges the trigger electrode function into the reflector structure itself, allowing the trigger coil to be positioned in the same plane as the reflector rather than behind or under it. This integration simplifies electrical connection while minimizing device thickness, as the components occupy the same spatial layer rather than stacking in multiple layers.
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 configuration enables a compact and efficient strobe device with reduced power loss and stable light emission by eliminating the need for lead wires and minimizing connection resistance, while maintaining effective electrical contact for trigger pulse delivery.
Implementation Method 1
The conductor elastically deforms to be in contact with the secondary terminal of the trigger coil and a lateral side of the reflector
Implementation Method 2
a trigger coil having a primary winding and a secondary winding wound around a hollow core
Data Source
AI summary
A compact strobe device includes the following components: a flash discharge tube having an anode on one side thereof and a cathode on the other side thereof; a conductive reflector composing an external trigger electrode, the reflector being in contact with and storing a part of the flash discharge tube; a trigger coil having a primary winding and a secondary winding wound around a hollow core; and an elastic conductor connecting the secondary winding of the trigger coil and the reflector. The trigger coil has an end of the flash discharge tube inserted into the core, and includes, at the end thereof adjacent to the reflector, a secondary terminal connected to the secondary winding. The conductor elastically deforms to be in contact with the secondary terminal of the trigger coil and a lateral side of the reflector.