Electromagnetic Relay Details TRIZ Cases

A polarized relay uses a nonmagnetic plate to maintain a fixed gap between the armature and auxiliary yoke.

An intermediary guide groove prevents card scratching and dust generation during sliding.

An electromagnetic relay integrates the armature and movable contact spring to manage repulsion forces without extra components.

A unified electromagnetic actuator platform uses a housing with an internal through-slot to wind coils directly onto the armature after assembly.

Inclined terminal extensions space the relay main body from the PCB, absorbing lateral and vertical vibrations that amplify through direct contact.

A magnetic switch uses a movable distance limiting unit to constrain contact pressure.

Merged permanent magnets and dual coils enable a tristable electromagnetic actuator to reduce part count and weight while maintaining three detent positions.

Segmented crossbar grooves stabilize moving contacts against shock-induced flipping, ensuring reliable current application.

Nesting components reduces magnetic saturation and shortens tripping operation time without increasing device size.

Dual abutment surfaces on a relay contact spring enable uniform force distribution, reducing mechanical loading and preventing voltage flashover.

A controller regulates coil current by updating a PWM duty cycle based on sampled current differences.

An E-shaped core and segmented cavities reduce volume while maintaining load capacity and insulation.

An annular rib on the flange shields the brazed joint from arc heat, maintaining sealing performance without increasing structural complexity.

A MEMS resonant switch oscillates to connect contacts, enabling high-frequency switching with minimal drive voltage.

A bistable electromagnetic actuator uses lateral spacings to deflect magnetic fluxes, stabilizing switching times without control electronics.

Integrated dual-circuit relay structure resolves size and current capacity trade-offs for electric power steering systems.

Radial pin arrangement shortens overall length while maintaining electrical connection integrity.

A relay base projection maintains stable distance between the movable contactor and the base.

Segmented dual springs distribute contact pressure evenly, absorbing impact energy to minimize audible noise during operation.

Segmented conductive plates increase the armature's effective area, dissipating Joule heat to prevent overheating disruptions.

An inclined edge on a relay contact spring enables rolling motion to distribute impact energy and reduce switching noise.

An inductive coil drives a magnetic switching element within a micro-cavity, eliminating mechanical hinges and improving reliability.

Perpendicular insulating walls extend from a base block to increase creepage distance without expanding the relay footprint.

Printed circuit board auxiliary switch eliminates assembly adjustments by fixing electrical contacts directly onto the board, reducing manufacturing complexity.

A self-configuring relay tester uses a controller to automatically detect terminal configurations and perform cyclic testing without manual alignment.

A relay movable element uses orthogonal magnetic flux and current to generate a Lorentz force that drives contact closure.

Nonmagnetic card absorbs arc heat to protect components and improve extinguishing.

Offsetting the bobbin cylinder expands the insulation path while packing more ampere turns into the same height, resolving size-reliability trade-offs.

Segmented housing opens via elastic means to vent electric arcs, resolving the volume-reliability trade-off in mobile contactor integration.

A bistable relay circuit incorporates a voltage regulator to maintain stable coil voltage, enabling smaller capacitors and preventing overvoltage damage.

Directly securing the shaft to the plunger eliminates loose retaining rings that cause uncoupling under vibration, ensuring stable relay operation.

An electromagnetic relay integrates the base and spool into a single component to reduce structural complexity.

Segmenting the movable terminal into a thin spring plate and thick leg resolves the contradiction between resiliency and permissible current.

Stepped pivot shafts prevent card detachment during assembly by nesting into distinct bearing recesses, ensuring stable attachment.

Curved contact pieces transform linear pressing into rotation, lowering coil power consumption while maintaining reliable contact operation.

A control unit shifts mechanical switch timing to distribute electrical arcs, extending relay lifespan without costly component replacements.

Nested magnetic enclosure and integrated push rod reduce relay volume while maintaining contact stability.

Annular insulating members join fixed terminals to a box-like housing, reducing positional variations caused by low ceramic dimensional precision.

A magnetic latching relay uses a pushing latch to maintain contact pressure and enable external status monitoring.

A MEMS actuator uses a copper coil and magnetic core to drive vertical cantilever motion.

Inserted separating elements create a labyrinth effect between main and auxiliary contacts, reducing erosion without increasing manufacturing complexity.

Offsetting the pressure projection creates a counterbalancing moment that prevents armature lifting, resolving uneven force distribution.

An external U-shaped holder secures permanent magnets outside the upper frame, reducing component count and simplifying maintenance.

Segmented magnetic components and nested yokes reduce outside dimensions while maintaining operational stability.

A damping interface between contacts absorbs mechanical energy to suppress oscillations in electromagnetic switches.

Nesting the control card within the magnetic plane reduces inrush power and volume while maintaining support rail compatibility.

Metal matrix composite contacts with dispersed oxide fillers enhance mechanical strength and electrical conductivity in switching devices.

A relay design uses an insulating member with an insertion opening for the coil spool, resolving fabrication complexity and improving ease of manufacture.

A bistable disconnecting device isolates high-current DC loads using cylindrical flat contacts and magnetic switching mechanisms.