Electric Devices TRIZ Cases

A pressure-triggered current interrupt device cuts internal cell current during pouch battery abnormalities to prevent overcharge explosions.

A Hall sensor placed in a conductor constriction works with a shunt path to deliver compact, redundant vehicle battery current sensing.

Adaptive battery models combine sensor, vehicle, and usage data to improve SOC, SOH, and safety prediction for EV operation.

Open-circuit voltage sampling and time-differential peak detection reveal lithium plating without battery disassembly or low-accuracy aging estimates.

A magnetic-core common-mode filter suppresses third-harmonic circulation currents in Delta-connected stator windings, cutting torque ripple and copper loss.

A secondary safety controller checks path plans and can preempt unsafe automated driving to handle latent faults and planning ambiguity.

Periodic activation of essential UPS battery modules cuts storage power use while preserving emergency detection and battery state checks.

Directional venting and a cell cover structure relieve thermal runaway pressure while limiting heat spread between pouch cells.

An external metal-plastic protector limits frontal crash intrusion into the battery floor housing, reducing deformation and thermal event risk.

Inclination-based power switching lets a fuel cell construction machine run on slopes while preventing undrained water from harming drainage and fuel cell operation.

Continuous battery health monitoring and server-based life estimation help schedule replacement before failed start-stop events raise fuel use.

A protruding air cleaner buffers radiator impact in frontal crashes, helping protect the EV inverter case without sacrificing motor-room packaging.

An interlocked EV high-voltage monitor isolates live circuits, detects voltage presence, and gives safe visual status during testing.

A subframe stopper and center lower member restrain PE system rearward slip in frontal crashes, protecting the rear battery.

A central train controller prioritizes auxiliary loads against traction demand to prevent supply-line voltage drops and cut energy losses.

Uses reference current detection to identify offset and gain errors in a current measurement circuit without interrupting load power.

Separate first and second cutoff units handle different overcurrent states to prevent vehicle-body leakage and improve power line protection.

A semiconductor in the output line switches to high impedance during short-circuit overvoltage, protecting vehicle voltage regulators on long cable runs.

Different voltage thresholds split regenerative power between battery charging and brake dissipation to keep the EV DC bus stable.

When thermal runaway is detected, controlled battery discharge lowers charge to a safe level, delaying escalation and reducing fire force.

Transverse reinforcement beams placed between cell groups strengthen battery box side walls while preserving internal space and dispersing impact loads.

Separate heater and battery switching lets the controller isolate heating faults by temperature, reducing switch wear and improving vehicle battery safety.

Hybrid physics-based and AI models use battery sensor, manufacturer, and history data to predict cell RUL more accurately for maintenance planning.

Multiple front, side, and rear emergency stop switches disconnect the battery pack and disable drive-by-wire for safer EV shutdown.

Fixing bars, long bolts, and coupling ribs strengthen battery module frame coupling to resist impact and vibration while simplifying assembly.

Surface SOC estimation combines current, temperature, and SOC history to improve terminal voltage prediction during battery charging and discharging.

Dual thermistors compare housing and internal temperature rise rates to separate external heating from battery cell faults.

An inclined rack and controlled fixing device release an overheating battery module for rapid isolation and targeted extinguishing.

A foamable refractory layer between the battery pack and frame carbonizes during thermal runaway to block heat, gases, and flames.

Conductive members overlapping battery cells detect direct pack impacts by voltage drop while an insulating cover prevents shorts and supports cooling.

CC and CV capacity change rates from charging profiles enable early battery degradation diagnosis and usage-condition adjustment.

By comparing wheel rotation with millimeter-wave speed sensing, this case improves idling and gliding detection and enables timely train protection.

Fire-resistant module housings vent runaway gases through pressure relief and chimney airflow to contain heat and keep adjacent battery modules operating.

Time-series SOH curves and travel-distance regression predict battery deterioration under changing vehicle operating conditions.

Selective ECU wake-up enables remote vehicle diagnostics during sleep state, preserving battery life without fully powering the vehicle.

Delayed coolant flow lets a degraded battery cell vent gas before cooling, reducing pressure and limiting thermal propagation to adjacent cells.

Real-time operating region estimation guides battery and fuel cell power transfer to improve vehicle energy efficiency under changing conditions.

Impedance at selected frequencies reveals low-voltage battery defects in seconds, replacing weeks-long tracking with non-destructive screening.

A composite underride guard uses gas-permeable overflow regions and degassing channels to vent and cool battery fault gases while staying lightweight.

Independent control of connectors and contactors isolates abnormal circuits and keeps critical moving-object loads powered during failures.

A layered mica or ceramic-metal-polymer wall improves battery pack thermal isolation and stiffness without excessive housing weight.