Induction Current Sources TRIZ Cases

See how a single-pulse resonant detection circuit reduces switching transistor energy loss from

See how dynamic series-parallel coil switching enables balanced heating of multiple non-standar

Gradual duty-ratio and frequency control cuts induction hob noise during container detection while preserving resonance-current sensing.

Gradual duty-ratio and frequency changes use resonance current sensing to detect containers while reducing driving noise and wasted power.

By tracking overlap between resonance current and switch drive voltage, the controller detects abnormal capacitive operation and stops coil drive.

A PLL locks the inverter to the workpiece resonant frequency at low initial power, cutting startup time and reducing distortion in induction heating.

By tracking overlap between resonance current and switch drive voltage, the controller detects abnormal heating states and prevents element burnout.

Phase shift modulation limits switching frequency variation in mid-to-low power sections, cutting switching loss and noise in induction heating inverters.

Adaptive switching frequency identifies cookware-specific heating bands and outputs suitability guidance to avoid low induction output.

Phase displacement and frequency tuning let induction cooktop full-bridge inverters regulate very low power without hard switching or audible noise.

By tracking overlap between resonance current and switch driving voltage, the controller detects abnormal heating states and prevents burnout.

Time-divided coil driving and PWM current control suppress magnetic interference noise when a new induction heating zone is turned on.

Localized induction preheating ahead of the torch cuts thick-plate welding time, consumables, and edge preparation while improving weld quality.

Coil shutdown timing and frequency matching suppress magnetic interference noise while keeping multi-zone induction heating power stable.

Synchronizing induction cooktop switching-frequency modulation with mains half-cycles cuts EMI, acoustic stress, and control-circuit cost.

A switchable AC and battery power module lets the inverter drive induction heating beyond fixed mains supply, including outdoor use.

A portable induction cooker uses battery power, heat-sink cooling, and smart driver switching to improve cooking efficiency and wireless charging.

Low-voltage coil sensing and signal blocking help an induction range identify valid containers and prevent unsafe heating of other objects.

Opposite-wound heating coils balance impedance and compensate magnetic flux, cutting resonant current losses while improving heating efficiency.

This case separates high-voltage power and interface functions for safer integration of wireless controls and external measurement devices.

A single power electronics assembly supplies heating currents to multiple inductors via a shared rectifier and switching device.

Synchronizing induction coil currents minimizes crosstalk and energy transfer, improving power module reliability in multi-zone systems.

Discharges the intermediate circuit capacitor before coil activation to limit initial current and prevent audible noise.

Dynamic frequency modulation reduces harmonic generation in induction heating generators, enabling higher power output while adhering to regulatory limits.

A resonant circuit detects boiling points by monitoring period duration changes during heating.

Patsnap Eureka analyzes an induction hob method using pulse-width modulated excitation voltage to determine oscillating circuit parameters.

Synchronization signals coordinate inverter outputs to eliminate interference noise from resonant frequency differences.

Dynamic frequency adjustment prevents switching element damage while maintaining precise power delivery during rapid load coupling changes.

Periodic PWM switching stabilizes operational stability while reducing acoustic noise during precise low-power temperature maintenance.

A single inverter drives multiple heating coils via time-divisional switching, reducing manufacturing costs and cooker thickness.

Dual-stage power supplies connect in parallel to deliver 4000 W, overcoming the 2000 W limit of standard generators.

A cooking hob design connects a secondary power supply to a primary heating element for boosted output.

Relay-based phase inversion and dynamic circuit reconfiguration resolve the trade-off between versatile multi-coil heating capacity and structural complexity.

An LC parallel resonant circuit and feedback control prevent overheating during pot-floating events.