Electromagnetic Relay Details TRIZ Cases
- Magnetic Actuator Circuit Layout Without Spring Preload
A three-branch magnetic circuit replaces spring preload to simplify low-voltage actuation and improve temperature-stable operation.
- Split Movable Head Assembly for Reliable Electromagnetic Switching
A split movable carrier separates main and auxiliary conductors to simplify coil access, improve insulation, and strengthen switching connections.
- Electromagnetic Relay Yoke Notch Layout for Magnetic Efficiency
A notch moved into the second yoke side portion preserves yoke contact area, improving magnetic efficiency while easing coil terminal routing.
- Magnetic Pole Protrusion Structure for Low-Power HVDC Relay Attraction
A protrusion-and-recess magnetic pole structure boosts initial relay attraction while cutting coil power and size in high-voltage DC relays.
- Integrated Contactor Structure for Automatic Over-Current Cutoff
Built-in current sensing and electromagnetic disconnection let this contactor cut power during over-current faults with simpler wiring.
- Magnetic Yoke Locking Structure for Jam-Free Switch Unlocking
A ferromagnetic locking element closes a yoke gap during unlocking, preventing accidental contact closure without high spring force or complex locking parts.
- Electric Junction Box Cooling Layout for Relay Joule Heat
A sandwiched cooling member and heat transfer paste draw relay and fuse Joule heat through mounting walls to keep the junction box compact and stable.
- Relay Socket Assembly Using PTC Reverse Connection Protection
A PTC thermistor between the power source and relay socket limits overcurrent from incorrect relay insertion, protecting coils and PCB traces.
- DC Relay Magnetic Loop Layout for Arc Extinction and Short-Circuit Hold
Dual magnetic loops strengthen contact hold under short-circuit current while separating arc-extinction magnets to avoid contact bounce.
- Electric Junction Box Cooling Structure for Relay Heat Dissipation
Dual cooling members and a conductive housing wall route relay and busbar Joule heat outward to improve junction box reliability.
- High-Current Contactor Layout Using Attractive Lorentz Force
Parallel current in overlapping bars creates attractive Lorentz force that prevents contact tip separation and arcing at high current.
- Three-Contact Bridge Assembly for Low-Resistance Switching
A three-contact planar bridge with independent spring support maintains secure alignment, lowering resistance, heat, and wear in relays and contactors.
- Sliding Housing Assembly for Stable Electromechanical Enclosures
Guide grooves, complementary elements, and securing sleeves create a force-locking housing that improves assembly stability under torsion and high electrical loads.
- DC Relay Contact Assembly for Anti-Bounce Short-Circuit Switching
Magnetizers and a connector stabilize relay contacts against short-circuit repulsion, preventing bounce, burning, and assembly issues.
- Movable Contact Assembly With Dual Yokes for Stable Contactor Contact
Overlapping upper and lower yokes create magnetic attraction that offsets repulsive force, stabilizing contact and suppressing vibration.
- Movable Contact Assembly Using Yokes to Stabilize Contact Force
Upper and lower yokes create magnetic attraction that offsets repulsive force, stabilizing contact and reducing movement force.
- Movable Contact Assembly Structure for Vibration-Stable Contactors
A surrounding support member and movable spring stabilize the movable contact, suppress vibration, and improve contact reliability with simpler assembly.
- Relay Contact Spring Assembly With Adjustable Biasing Force
A standardized relay contact spring uses housing-set biasing force to deliver different switching characteristics while cutting part variety and storage cost.
- Guided Housing Assembly for Precise Electromechanical Mounting
Complementary mounting and slot guides align the housing to within 0.2 mm while improving assembly stability and electrical connection security.
- Dual-Coil Relay Actuation for Fast Transfer and Low Bounce
Dual coils accelerate and decelerate the relay armature to cut transfer time, reduce contact bounce, and limit wear in power switching.
- DC Relay Arc Extinguishing With Composite Permanent Magnet Fields
Composite horizontal and longitudinal magnet fields strengthen the arc starting point in high-voltage DC relays for faster arc extinction.