Electromagnetic Relay Details TRIZ Cases
- Adjustable Magnetic Yoke Assembly for Short-Circuit Contact Force
Collapsible bias members let the magnetic yoke vary its functional gap, boosting short-circuit contact force without hurting current interruption.
- Relay Coil Pin Structure for Secure Signal Wire Fixation
A hooked coil pin recess secures the signal wire without welding, improving connection reliability in relay coil assemblies.
- DC Relay Lead-Out Pin Assembly With Glass-Kovar Yoke Connection
A sintered glass-kovar lead-out assembly simplifies DC relay yoke connections, saving space while maintaining insulation and weld reliability.
- Magnetic Pole Protrusion Structure for Stronger HVDC Relay Attraction
A protrusion-and-recess magnetic pole shape boosts initial relay attraction while reducing coil volume and driving power in HVDC relays.
- Magnetic Latching Relay Sealing Structure for Controlled Glue Flow
Closed glue dispensing ports in a magnetic latching relay contain flow during dispensing and curing, reducing spillage, waste, and bonding defects.
- Contact Bridge Layout for Short-Circuit Repulsion Suppression
A looped fixed-contact layout and ferromagnetic guides suppress contact bridge opening under short-circuit currents without larger actuators.
- Contactor Coil Current Detection for Welded and Stuck Faults
Coil current timing reveals welded contacts, stuck plungers, and unexpected movement without separate sensors, improving contactor reliability.
- Electromechanical Switch Assembly to Minimize Magnetic Air Gaps
Partial core insertion and pre-bent coil yoke arms reduce magnetic air gaps in contactors and relays, improving force and reliability.
- Contact Bridge Layout to Resist Short-Circuit Repulsion
A looped fixed-contact layout and ferromagnetic guides suppress contact-bridge opening under high short-circuit currents without added space.
- Split Movable Carrier Switching Assembly for Simpler Coil Access
An integrated split movable carrier places the coil above main conductors to simplify assembly, improve insulation, and remove unreliable coil connections.
- Sintered Relay Lead-Out Pin Structure for Compact Insulated Yoke Mounting
A sintered lead-out pin, glass insulator, and kovar part simplify DC relay yoke mounting while reducing size, stress concentration, and cost.
- Electromechanical Switch Assembly to Minimize Magnetic Circuit Air Gaps
Precise core insertion and coil-yoke alignment reduce magnetic circuit air gaps, improving magnetic force and relay reliability.
- MEMS Power Relay Using Liquid-Metal Contacts for Low Heat
Liquid-metal wetting and magnetic latching help this MEMS power relay lower contact resistance and heat in compact breaker-ready switching.
- Switching Circuit Layout for Surge Protection and Insulation
Distributed capacitance and coil-side voltage clamping cut surge stress in switching circuits while preserving insulation and board space.
- Ag Oxide Contact Material for DC High-Voltage Relay Heating
Balanced Ag oxide contact composition cuts relay heat and contact welding in 48 V+ DC switching while preserving compact relay design.
- Relay Movable Contact Yoke Structure Against Contact Separation
A shaped upper and lower yoke counter electromagnetic repulsion, keeping relay contacts stable under vibration and shock.
- Integrated Contact Carrier Structure for Easier Contactor Assembly
A one-piece movable contact carrier and insulating coupler simplify contactor assembly while improving insulation, durability, and service life.
- Movable Contact Carrier Assembly for Easier Contactor Manufacturing
A molded coupler and angled retention member simplify contactor assembly while improving insulation, cost, and service life in high-voltage DC systems.
- Auxiliary Contact Plate Layout for Open-State Contactor Detection
A movable contact plate and spring-loaded auxiliary contacts enable IEC-compliant open-state detection in gas-filled contactors without high-voltage sensing.
- Relay Armature Assembly With Integrated Insulator and Arc Control
Embedded molding joins the armature and movable leaf spring through an insulator, cutting parts while improving arc extinguishing and isolation reliability.
- Gas-Filled Switching Chamber Layout for Bidirectional Arc Extinction
High-pressure hydrogen and nitrogen plus magnetic arc deflection help a switching chamber interrupt high-current, high-voltage loads without wall damage.
- Contactor Auxiliary Contact Layout for Normally Closed State Detection
Auxiliary contacts outside the switching chamber enable reliable normally closed state detection without extra high-voltage wiring or arc exposure.
- Magnetic-Blow Contactor Structure for 10 kA Short-Circuit Switching
A floating magnetic conductor and elastic support help a DC contactor withstand 10 kA short-circuit current while extinguishing arcs.
- Electromagnetic Relay Contact Structure for Corrosion-Tolerant Switching
A resilient linkage lets the movable contact bridge corrosion-induced gaps, improving relay switching reliability with lower electromagnetic force.
- Relay Cover Engagement for Arc Pressure Relief
Separate relay cover hooks let one disengage under arc pressure while another retains the cover, releasing air without blow-off.
- Electromagnetic Trip Armature Surface Structuring for Precise Air Gaps
Laser-formed relief patterns set the armature air gap without added material, simplifying assembly and improving positioning precision.
- Electromagnetic Contactor Arc Cover Coupling for Short-Circuit Stability
A three-part coupling structure lets one fastener lock the arc cover and frame together, preventing separation during short-circuit events.
- Dual-Armature Relay Layout for Redundant Safety Switching
A dual-armature relay creates redundant switching paths with time-shifted actuation to improve fault detection while saving space and cost.
- Electromagnetic Relay Core Joint Curvature for Magnetic Efficiency
A curved stationary core joint brings the winding closer to the magnetic path, improving relay efficiency, assembly, and air-tightness.