Contacts TRIZ Cases

A modular breakpoint layout separates housing, breaking, mechanism, and transmission units to simplify installation and speed maintenance.

A wettable liquid-metal interface cuts contact force, wear, and intermetallic reactions while keeping switching resistance below 100 microOhms.

A separable mechanical breakpoint layout lets solid-state circuit breakers switch AC/DC configurations and simplify maintenance.

Periodic microcontroller-driven current pulses clean oxidized circuit breaker contacts without position changes, helping keep resistance low.

Pulsed coil current moves the armature in overtravel so contacts rub without separating, limiting sticking, oxide buildup, and welding.

A metal-GRM multilayer coating replaces grease on moving contact surfaces, cutting maintenance while keeping low friction and corrosion resistance.

Elastic linkage and holding assemblies keep multi-side isolation switch operation synchronized while preventing transmission separation, jamming, and arc damage.

Coil current pulses move the armature in overtravel so contacts rub without separating, clearing oxide or sticking faults while maintaining conduction.

Voltage-based impedance adjustment stabilizes coil inrush and latching current across wide input ranges without current sensors.

Benzimidazole-controlled silver electroplating refines crystallites to increase hardness and reduce adhesive abrasion in contacts and terminals.

Internal oxidation forms MeO-SnO2 clusters in Ag contact material to improve Ag-SnO2 adhesion, toughness, conductivity, and arc life.

HfC and ZrC replace tungsten carbide in silver switchgear contacts to limit oxide evaporation, reduce contact resistance, and resist arc erosion.

HfC/ZrC-reinforced silver contact composites resist arc erosion, limit material loss, and keep switchgear contact resistance stable.

Benzimidazole-based silver electroplating raises surface hardness and wear resistance in contacts while reducing adhesive abrasion and insertion force.

A gasifying plate mounted on the conductive expansion plate quenches the arc at its root, cutting arching time and temperature rise.

Elastic push-in clamps and lock pins speed fuse holder cable termination while maintaining secure retention in power distribution panels.

Off-center pivots, asymmetric cushions, and damping layers improve headphone fit, sealing, and control noise reduction.

A voltage-driven liquid metal droplet bridges MEMS conductors inside a capped cavity to reduce wear, stiction, and contact failure.

A conductive liquid contact and electromagnetic drive cut relay transfer time while avoiding the waste heat of solid-state switching.

Carbon nanofillers and metal powders cut silver use in electrical contacts while preserving conductivity, heat transfer, and strength.

A piezoelectric disk moves conductive liquid to bridge relay contacts, enabling half-cycle switching with low heat loss and high durability.

External magnetic attraction moves the tap changer contact without pressure-dependent actuation, cutting cost and assembly complexity.

An Au-Ag alloy thin film with controlled Cr, Mn, Fe, Co, Ni, Cu, or Zn balances hardness, wear life, low contact resistance, and sulfidation resistance.

In-situ internal oxidation forms a MeO-SnO2 cluster interface in Ag contacts, improving adhesion, toughness, homogeneity, and conductivity.

A serpentine fusible element folded across multiple planes increases fuse length, heat transfer, and surge I2t without enlarging the housing.

Ordered ceramic microparticles in a copper-alloy breaker contact improve wear resistance and conductivity while cutting silver contact cost.

Input-voltage-based PWM and impedance adjustment keeps coil inrush and latching current stable without current sensors, cutting heat and power use.

A bridging unit maintains control power during switching, reducing startup delays and enhancing reliability.