Electric Switches TRIZ Cases

A selector switch uses a flywheel mass on a rotating vacuum interrupter to stabilize phase switching operations.

A knob with display function integrates a rotary sensor and reset device to provide visual feedback for multi-stage functional changes.

Cross-shaped groove constrains actuating element travel to eliminate snagging and loose feel in sliding-rising roof switches.

Electronic trip unit integrates with a rod-shaped current transformer to control separable contacts in compact molded case circuit breakers.

Electromagnetic pure iron arc guide boards generate a strong magnetic field to rapidly propel electric arcs into the extinguishing chamber.

Cable-driven linkages replace manual keys, enabling automatic multi-breaker interlocking while improving vibration resistance and safety.

Metering apparatus detects circuit breaker status and operational parameters using independent power input, eliminating impractical visual inspections.

Segmenting fuse elements into parallel conductors achieves higher ampacity without increasing manufacturing costs or losing accessory compatibility.

Rotating shaft member drives pressing piece to depress keycaps, reducing thickness while maintaining operability and appearance quality.

Integrated reset and test button mechanism in an overload relay reduces component count by merging multiple functions into a single actuator assembly.

A programmable switch uses an NFC module to receive configuration data from a mobile device.

A weatherproof electrical outlet cover uses a keyhole insert to secure mounting screws while maintaining a tight seal against the base.

Gas generating hood propels arcs through decreasing grid plate slots, resolving casing protection versus extinguishment efficiency trade-offs.

Oblique projection engages circuit breaker recesses to prevent unauthorized access and simplify installation.

A mouse micro switch base with multiple openings supports detachable installation of optical or mechanical switches.

Segmented actuator module replaces worn solenoids without discarding the permanent housing, reducing replacement costs and enhancing safety.

A trigger switch circuit isolates power supply to light-emitting and motor circuits using a changeover switch configuration.

A DC-to-AC inverter control unit disconnects failed power rails to maintain electrical conditions.

Integrated elastic clamping part secures inner housing against vibration without extra fixation steps, preventing contact failure.

A semi-voltage dependent circuit breaker uses a power reserve unit to maintain operating power during mains drops.

A generalized arc fault detection system extracts fundamental components from AC or DC current signals to identify series and parallel faults in real time.

A fluid height sensor uses a leaf spring to snap switch blades against contacts, minimizing spark duration during operation.

Asymmetric permanent magnets direct arcs into extinguisher paths regardless of polarity, eliminating power consumption and device size trade-offs.

Segmented corrugated seals isolate the casing interior, preventing fluid intrusion while reducing frictional energy loss during repetitive rod motion.

A keyswitch structure uses a movable extending arm to alter pressing force profiles for customizable tactile feedback.

Opposing magnetic flux from fixed terminal accelerates contact opening speed, enabling prompt arc extinction and extending relay lifetime.

Microcomputer calculates switch position from voltage drop across an external resistor connected to a switched-mode power supply.

Differentiating drive motor torque identifies diverter switch jump timing, eliminating expensive resolvers and complex synchronization hardware.

Arc chute assembly uses divider wall to create sub-arc areas for gas flow communication and pressure equalization.

Segmented contact assemblies with universal spacers eliminate inventory costs for varied configurations while auto-cleaning channels reduce carbon scarring.

A tubular elastomeric covering encloses the trigger assembly torsion spring to prevent environmental ingress.

Integrated trip and auxiliary modules enable pre-assembly testing of circuit breaker components.

Relocating the rotational member to the circuit board's lower surface resolves the space utilization bottleneck while preserving operational consistency.

A tapered terminal guides the electric arc toward a lateral magnet to extend discharge length.

Identical modular components in the on-load tap changer eliminate separate molds, reducing manufacturing costs while maintaining switching reliability.

Safety plug covers output contact screw access channel to prevent accidental live part contact without adding structural complexity.

Locking device outputs electrical signals indicating contact position, resolving inaccessible location safety risks.

An installation switch with a detachable remote control holder eliminates the need to search for lost remotes in dark rooms.

Elastomeric bars absorb height variations to prevent epoxy infiltration and reduce failure rates in electromagnetic switches.

U-shaped sectioning plates with lateral guide slots clip into trapezoidal grooves of an insulating casing for automated assembly.

Tamper detection triggers local control mode for solid state circuit breakers, preventing unauthorized power management system access.

A steering wheel control circuit merges signals from multiple user-selectable operational states into a single output signal.

A trigger switch stabilizes internal air pressure via a communication hole and discharge port to maintain operational smoothness.

An elastic cocking lock prevents closure when the trip unit is absent, resolving reliability issues while maintaining adaptability.

A break-before-make circuit topology prevents shoot-through current in multiplexers using digital logic gates and delay elements.

A vehicle power seat switch module uses embedded touch sensors to detect user input location and drive a display showing the specific operating direction.

Segmenting the roller body from a high-strength POM shaft resolves the transparency versus structural integrity trade-off, preventing encoder-side breakage.

A flexure hinge merges tracking and button functions in a single track pad, resolving the trade-off between versatility and ease of operation.

Sliding covering shells prevent lever breaking by isolating force transmission paths during accidental forcing events.

A touch panel uses complementary length strip sensing electrodes to enable capacitive detection without connecting wires.