Electromagnetic Relay Details TRIZ Cases

Detecting leakage magnetic flux with a Hall sensor regulates control coil voltage, reducing energy consumption and heating in vehicle actuators.

Press-fitting fixed contact terminals into spool guard portions reduces floor area while maintaining alignment accuracy.

Dynamic magnetizer positioning resolves the trade-off between holding force and breaking ability in high-voltage DC relays.

An integrally formed resilient member captures the movable switching piece and contact spring, reducing part count and device height.

A high-voltage DC relay uses a movable first magnetizer to dynamically adjust magnetic attraction forces based on current flow.

A relay processor monitors main contact and coil voltages to control the economizer circuit state.

An intermediate member transmits driving force to elastically deform a movable touch piece, reducing power consumption while maintaining impact resistance.

A relay light guide redirects LED emission vertically through a reflecting member and diffusion structure.

A T-shaped armature head connects to a pushing block via a through groove, preventing plastic waste during assembly.

Fixed permanent magnets resist external interference while rotating coil assembly maintains switching state under strong magnetic fields.

Segmenting the resilient plate from the current path via a flexible conductor resolves the trade-off between allowable current and sensitivity.

A compact electric switch positions its drive mechanism perpendicular to contact movement to reduce overall thickness.

An auxiliary magnetic field generator supplements the primary force acting on the armature, lowering the instantaneous tripping level below 7X handle rating.

An electromagnetic relay uses a movable contact spring inclined at 0 to 45 degrees to slide against fixed contacts.

Merging fixed and variable position contacts into a single support body eliminates internal connectors, reducing circuit board area and manufacturing costs.

Symmetric arc-extinguishing spaces and permanent magnets apply Lorentz force to stretch electrical arcs during contact transition.

Hinge cutouts disperse stress at welded boundaries, preventing cracks and extending relay lifespan.

Segmented yoke elements with a protruding second part reduce manufacturing precision requirements while maintaining reliable magnetic switching performance.

Nesting spool guard portions in casing recesses resolves the trade-off between alignment accuracy and inner space volume.

A latching solenoid testing method compares energy store voltage against a reference threshold after tripping to identify winding faults.

Permanent magnets and isolation devices elongate arcs in a rotating contactor, preventing contact fusion without complex sealed inflation systems.

Flexible plastic blade grips the contact carrier to maintain stable forced operation without separate springs.

A relay fixed terminal uses a plate shape with an integrated female screw member to enable secure external connections.

Merging separate biasing springs into one unit prevents contact welding while reducing component count.

C-shaped aperture triumvirate springs amplify contact pressure to ensure residue-free wiping and reduce vibration in high-current switching operations.

A movable spring plate structure uses rigid and soft segments to secure contacts during operation.

Integrated elastic tongues on stacked conductive thin plate springs apply separation force to break contacts, reducing energy consumption and component count.

A relay merges twin and single contact sets on a shared actuating card to handle distinct load ranges.

A switching apparatus transforms translational contact movement into rotation to apply shear force for breaking micro-welds.

Biasable fasteners on a relay coil support structure retain the PCBA via retention slots, eliminating complex screwing or riveting processes.

A movable contact piece uses a bent portion to extend an elastic region within a compact electromagnetic relay base.

An extraction tool disengages auxiliary contact devices from motor starter assemblies without removing the bucket.

A control circuit limits power supply current to an electromagnetic actuator coil using a microcontroller and analogue comparator.

An electromagnetic relay uses an arc extension space with magnetic field generating means to direct electrical arcs away from contact points.

A magnetic DC trip assembly uses a pivotal armature linkage to detect over-current conditions in circuit breakers.

Merges measurement and circuit interruption in one unit, reducing material usage while maintaining flux-concentrating core alignment.

Curved groove ball drive resolves torque stability trade-off by converting vertical motion to stable rotation.

A contact bridge arrangement uses a stop and spring base on the actuating member side to simplify assembly.

A plastically deformable connector piece links the armature member to the card in an electromagnetic relay.

A switching unit with a return spring exerts a counterforce to balance the restoring element and prevent hard stop impact.

Lateral terminal extensions route current paths away from movable contacts to maintain stable connection force.

Spring application within contact tangent triangle stabilizes conduction against vibration.

An annular auxiliary yoke nested within the first yoke reduces magnetic resistance, enabling smaller floor area and lower power consumption.

Separate relay housing reduces self-heating and audible noise in switching devices.

A rotary slider relay uses electromagnetic rotation to switch multiple contact poles within a compact base substrate assembly.

A circuit breaker connects a bimetallic element in series with a trip coil via a bypass line to reduce self-heating and response time.

Plastic liner guides magnetic armature shaft to eliminate metal abrasion and extend service life in hydrogen-filled switching devices.

A relay extends its leakage-current path using structural walls on the base plate to block electrical flow between magnetic and contact systems.

Analyzing electrical behavior of a test coil estimates movable plunger position, eliminating expensive proximity sensors and reducing device complexity.

Integrating a built-in switch with the movable iron core resolves information loss about the contactor state, enabling convenient external circuit monitoring.