Electric Devices TRIZ Cases

A flash cooling system rapidly lowers battery temperature using a pressurized coolant canister.

A battery heater control method adjusts activation thresholds based on state of charge and energy consumption profiles.

Repulsive linear synchronous motors reduce axle load while attractive dynamic motion control magnets constrain yawing, enabling stable travel above 600 km/h.

Hydrophobic coatings and structured supports break water films to prevent electrical conduction while enabling effective heat dissipation in humid environments.

A virtual branch load management system estimates power consumption at individual circuit breakers using total panel measurements and software algorithms.

A vehicle alarm microcomputer monitors acceleration sensor voltage to stop tilt calculations when power drops.

Self-service radioactive ore generates negative charge via ionization, eliminating battery dependency and improving engine performance.

Dynamic duty cycle control manages transient current for EPAS and ABS loads while monitoring transistor temperature to prevent thermal overload.

A control unit detects energy storage voltage to switch a current interrupt device into an interruption state.

Frequency sweep signals map insulation power factor to temperature, enabling early degradation detection without controlled thermal chambers.

A railway braking system uses current intensity measurement to detect insufficient service brake force and switch to a dedicated safety brake.

A bridging device establishes parallel electrical connections between energy storage cells using a melting material.

Virtual clock recovery eliminates trigger jitter to enable accurate mask violation testing and ISI determination.

A railcar control apparatus detects synchronous slide or slip conditions using axle speed difference and acceleration thresholds.

An integrated short-circuiting switch discharges high-voltage capacitors through the vehicle body, eliminating external resistors and cooling requirements.

Axial stacked electric machines reduce side shaft loads and deflection angles, creating space for energy storage in utility vehicle axles.

A vehicle housing impact switch deforms under mechanical force to sever the electrical power supply line inside the enclosure.

A vehicle braking system calculates wheel slip amounts and change rates to determine regenerative braking force.

Battery state display unit switches modes based on charge levels to notify drivers of impending output limits.

An energy meter application programming interface enables processor execution of customized instructions beyond standard firmware functions.

A vehicle presence detection device saves a reference level before low-frequency signal emission to maintain accurate object sensing.

A control device adjusts converter carrier frequency based on initial temperature and input current to manage thermal conditions in AC electric vehicles.

Segmented guard member with swelling sections disperses collision loads, preventing excessive displacement while minimizing weight and cost increments.

A three-wheel electric dumper vehicle maintains stability by positioning the center of gravity within a triangular wheel contact area.

A DC/DC converter assembly dynamically routes power from healthy battery modules to maintain low-voltage supply.

Integrated circuit chip embedded in electrochemical cells measures voltage, temperature, and current simultaneously.

A programmable controller determines ground fault detector connection states by measuring voltage changes across relays.

Electronic control unit measures terminal voltage and output current to calculate real-time resistance, inductance, and capacitance values.

A polyphase transformer monitoring device measures current and voltage across three conductors to calculate real-time power values.

Controller discharges inverter capacitor voltage to secondary battery using low-voltage DC converter.

Displacing the crash box lateral wall from the weld line extends load transfer paths through hollow sections, protecting joint sections from impact damage.

Finite state machine processes reboot counter data to detect outages despite dropped or duplicate network messages.

A vehicle contactor handle locks the protective cover when the switch is closed to secure electrical connections.

Pulsed braking via a PWM controller reduces severe deceleration and vehicle destabilization during steering faults.

An alarm line triggers a module circuit to bridge terminals upon detecting a critical cell state, maintaining system stability despite internal faults.

An axial opening in the clamp allows cables to slide, preventing stress concentration at fuel cell connectors during collisions.

Segmented interlocks prevent electrical shock by blocking voltage application when terminal guard is not fully positioned.

Three thyristors control stator short-circuiting to prevent overvoltage damage and unintended braking torque during converter faults.

Series avalanche and Shockley diodes trigger at specific breakdown voltages to protect vehicle circuits from supply voltage fluctuations.

Controller adjusts high-potential avoiding voltage across driving and external supply modes.

A controller selects resistance tables based on current pulse duration to estimate battery state of charge.

Foam support prevents cooling device deformation under compressive forces, enabling efficient heat transfer from the battery module.

A phase leg inverter module discharges a DC link capacitor using transitional switching states.

A converter circuit determines output power by multiplying a time-averaged rectified voltage with a constant derived from average winding current.

AC coupled sensing circuit detects ground faults via leakage flux linkage analysis, eliminating manual drive shutdowns and reducing system downtime.

An automated controller triggers a gas-generating inflator to unfold a spread bag over a battery, blocking oxygen and suppressing fire before smoke spreads.

Distributed counters eliminate centralized synchronization overhead, reducing communication load while ensuring accurate multi-unit data collection.

Using reluctance machine phase windings as discharge resistors extends service life by avoiding costly additional components.

A USB slave device uses a power quality testing circuit to detect supply current standards before enabling full functionality.

A vehicle battery management system controller receives power from two connection lines to manage relay switching.