Electromagnetic Relay Details TRIZ Cases

Replacing welding with a mechanical hook coupling reduces assembly time and inspection difficulty while maintaining connection strength.

A press spring with a Z-shaped center distributes armature force to two movable springs, stabilizing contact pressure across both circuits.

Segmented drives overcome inertia limits to prevent arc re-ignition during short circuits.

Merging the shaft hole into the spool component eliminates assembly errors to ensure high positioning accuracy and consistent operating characteristics.

Segmented adjustable stops compensate for manufacturing tolerances to improve contact alignment precision and operational reliability.

Dual silent springs maintain constant distance between the moving iron and magnetic pole while contacting resin housing components to absorb collision noise.

A relay circuit with a pull-up resistor prevents the power supply sense input from floating during transitions, eliminating voltage glitches.

An electromagnetic relay uses an outer adhesive fixer and an inflow suppressor to firmly secure the terminal within the case housing.

Shield plates intercept wearing particles generated during contact separation to prevent adhesion, reducing contact resistance and heat generation.

Relay housing protrusion absorbs impact energy, preventing spring plastic deformation and ensuring contact reliability under mechanical stress.

Segmented springs use local quality variations to balance flexibility and press-fit strength while self-locking mechanisms prevent disengagement.

Protrusions on the fixed core minimize the air gap to lower magnetic resistance, increasing electromagnetic force for faster contact closure.

Ferromagnetic elements induce magnetic attraction to increase contact pressure, suppressing contact bounce and arcing during high current operations.

Segmented yoke grooves merge auxiliary magnetic paths into the core structure, eliminating bulky plate yokes and allowing compact distribution board layouts.

An asymmetric contact mechanism applies torsional moments via unequal projection distances, reducing power consumption during contact separation.

Periodic current pulses and mechanical latching reduce heat dissipation while maintaining reliable open states.

A separate rigid positioning member holds terminals and the armature within a deformable case, maintaining precise part alignment despite molding deformation.

A magnetically actuated MEMS switch uses an integrated conductor coil to displace magnetic core portions and control contact point switching.

A lower bushing with a guide hole constrains the pushrod inside the magnetic conductive cylinder to maintain coaxial alignment.

An electromagnet cancels the permanent magnet's attraction to resist magnetic tampering and ensure reliable remote control in high-current applications.

Segmenting the relay contact piece with a projection increases detaching force, resolving welding adhesion issues that compromise operation stability.

RFID tags detect contactor states to eliminate auxiliary wiring and reduce engineering overhead.

Integrated control unit interprets external voltages to generate precise coil current, preventing switching errors from weak or strong signals.

Asymmetric magnetic yoke supports allow total stroke adjustment via assembly direction, resolving dimensional deviations and simplifying base design.

A control system monitors coil current and magnetic field strength to actuate solid-state auxiliary switches.