Electric Switches TRIZ Cases

A timed control sequence commutates current to a semiconductor path, cutting arcing and enabling interchangeable hybrid switch components.

Voltage sensing through a multi-terminal switch and resistors distinguishes actuation from contact faults in safety-relevant vehicle inputs.

Redundant semiconductor and isolating switches with current sensing enable fast shutdown, self-diagnosis, and lower arcing in conductor protection.

Polymeric rotating parts and a torsion spring usable in either direction simplify disconnector switch box assembly and remove extra insulation.

Internal deionizing mesh or foam cools and contains ionized gas in a circuit breaker, preventing flashover without extra external covers.

A physical and electronic interlock lets an isolation switch be manually opened without auxiliary power while preventing unsafe state changes.

A conductive stem, invertible spring, and load sensor combine to add click feedback and press-force detection without complicating the switch.

Electronic multi-user lockout with wireless credentials replaces multiple keys and locks, reducing delays while maintaining worker safety.

Sequential high and low relay-coil currents cut heat and EMI while enabling multiple relay switches from one control signal.

Dynamic gate-voltage boosting lets a single IGBT clear short-circuit and overcurrent faults faster while limiting thermal stress and power loss.

A barrier block with a strike-arc magnet guides and stretches relay arcs, enabling polarity-independent switching without reverse-conduction damage.

A detachable switch and tripping module extends SPD backup protection by closing current-threshold blind spots and simplifying installation.

A segmented Halbach array shapes the magnetic field to drive relay arcs outward, improving arc extinguishing and reducing internal damage.

A detachable breaker module combines electromagnetic tripping and contact switching to widen SPD backup protection and simplify installation.

Integrated frame spacers mechanically hold Halbach magnets in place, reducing adhesive use, assembly cost, and relay damage from magnet movement.

A Halbach magnet array shapes the arc discharge path in DC relays, enabling one relay structure across capacities while protecting nearby parts.

A plunger-actuator interlock blocks false OFF indication when contacts weld shut, adding tactile and sound feedback without extra parts.

A spring-driven tilt switch replaces mercury to control tank pumps, using ball motion and self-cleaning contacts for reliable level actuation.

A resin magnet holder with a flexible portion restrains impact-induced magnet movement, helping the relay maintain stable operation at low cost.

A dual engaging-member interlock lets the main switch trolley and grounding switch unlock quickly for safer, faster automated testing.

Demagnetization openings in the armature plate break the magnetic path to speed switch disconnection without raising coil power consumption.

Dynamic gate-voltage boosting keeps a single IGBT out of desaturation during short circuits, cutting thermal stress and commutation delay.

A linked interface opens both source- and load-side switches at once, fully isolating fuse holders during bi-directional power flow.

Passive SCRs and fast mechanical switches redirect disruption current in fusion coils to limit damage and preserve vacuum integrity.

Microswitch signals arrive before contact movement, giving semiconductor control time to prevent arcs and detect reverse connection.

A removable plate with guides and support rods lets the selector and load switch be detached through a side wall, cutting transformer maintenance effort.

Microswitches trigger before contact movement, giving electronic control time to prevent arcing, reverse connection, and surge damage.

Press-fit protrusions and grooves replace inconsistent caulking in arc chamber grids, improving spacing control, assembly speed, and maintenance.

A nested inner and outer housing with spring bias and thumbwheel locking secures rotary breaker switches against movement during servicing.

An overlay switch locks relay state to manual ON or OFF and blocks electrical override, enabling UL 1741 compliance without relay customization.

A two-part arc extinguishing chamber uses clamping ribs and external gas venting to prevent thermal damage and support automated grid assembly.

A PCM heat path handles transient fault spikes while finned cooling manages normal operation, keeping the power module below its temperature limit.

A plastic-metal tube and elastic-piece conduction path replaces screw-based ECG buttons, shrinking button size while keeping stable circuit contact.

An intermediate switching state powers the control module first, so the default-on solid-state switch opens before fault current can damage it.

A rotating actuator bends a cantilever so a force sensor can detect intentional switch input with less motion and a smaller vehicle switch package.

Haptic vibration patterns and a line-of-sight display let one vehicle switch support different model functions while keeping operation states intuitive.