Electric Devices TRIZ Cases
- Voltage Absence Check in Power Electronics via Measuring Adapter
A measuring adapter applies supply voltage to high-voltage plug contacts and detects intermediate circuit capacitor resistance for safe voltage absence verification.
- Piezoelectric In-Wheel Motor for Regenerative Braking
Segmented piezoelectric motors on truck axles recover braking energy without increasing unsprung mass.
- Wireless Power Theft Detection via Current Decay Analysis
A power theft inspection apparatus monitors current decay patterns in high-Q LCR resonant circuits to identify unauthorized energy diversion.
- Railway Vehicle Exhaust System for Battery Fume Management
Exhaust system directs combustion fumes from sealed battery chambers to external outlets, preventing toxic smoke accumulation in passenger compartments.
- Big Data Battery Diagnostic System for Voltage Estimation Accuracy
A big-data battery diagnostic system collects fleet data to set reference voltages for real-time state comparison.
- Fuel Cell Hydrogen Exhaust Line Routing to Avoid Motor Interference
A hydrogen exhaust line connects a purge valve assembly to an air exhaust line while maintaining vertical clearance above a drive motor unit.
- Pyrotechnic Switch for Rapid High-Voltage Discharge
A pyrotechnic switch disconnects high-voltage circuits and forms a discharge path using three conductors.
- Diagonal Safety Bus Bar for Battery Cell Expansion
A diagonal safety bus bar mechanically opens circuits when battery cells expand.
- Rail Vehicle Drive System Short-Circuit Protection
A short-circuit protection device limits current flow through grid-side converter semiconductors in rail vehicle drive systems.
- Traction Drive Unit Fastening Element for Transmission Replacement
A traction drive unit positions a fastening element between the motor and transmission to enable independent component exchange.
- Secondary Battery Control Circuit Using Self-Heating
A secondary battery control circuit manages temperature using self-heating mechanisms.
- Contactless Power Delivery for Vehicle Doors
Inductive coupling between hinge-mounted coils delivers continuous power to vehicle doors, eliminating cable wear from repeated bending.
- Vehicle Cable Light Guide Shield Damage Detection
A vehicle cable integrates a light guide within its shield to monitor structural integrity through optical deformation detection.
- Driver Module Energy Supply for Battery Series Circuits
Tapping internal voltage nodes powers the driver module during series interruptions, eliminating external redundant energy sources.
- Power Supply Units with Autonomous Power Monitoring
Autonomous power supply units measure and store input energy locally, preserving consumption data during centralized controller failures.