Incorrect Coupling Prevention TRIZ Cases

A connector uses a backlash filling protrusion to tilt the fitting detection member and increase locking engagement.

Asymmetrical constraint walls prevent yawing and pitching to protect connector durability.

An acoustic detection system processes connector latch sounds to ensure reliable mating verification in noisy automotive assembly environments.

A double-sided USB connector joins two PCBs using signal traces instead of manual wires.

A fool-proof protrusion on the connector housing blocks wrong-angle mating.

Integrating the securing device inside the housing reduces space occupancy and contact resistance for plate-mounted power source connectors.

A reversible connector detects mating orientation and configures host-side contacts dynamically to match accessory functions.

Slanted guide rails on interconnection connectors align components before contact engagement, preventing short circuits from misalignment.

A multi-type receptacle connector integrates sub contacts alongside main micro USB contacts to provide additional connection points within a single housing.

A connector detector slides on a housing surface using a resilient arm that absorbs biasing force impact, preventing housing damage.

An integrated lever and engaging part enhance pullout strength by locking the slide member against the housing main body.

A pivotable clamp base body aligns jaws with a male terminal before tightening, preventing slippage during vibration.

Asymmetric rib placement eliminates slide cores, reducing molding complexity while maintaining reliable tape fixation on cylindrical members.

Integrating terminal chambers within projection-like functional portions prevents sink formation during molding while ensuring reliable prying prevention.

A half fitting prevention connector uses an electromagnetic coil to move a plunger toward a microswitch upon signal terminal connection.

Nested metal housing structures improve grounding reliability while avoiding high manufacturing precision requirements for terminal embedding.

A connector housing integrates signal terminals with detection units formed in identical shapes to streamline assembly.

A circuit breaker lug integrates a mechanical lever to visually confirm panel wire insertion status during installation.

A connector integrates wiping portions with a shorting terminal fitting to clean detection terminals during mating.

Segmented ground members with nested springs position contacts near the front end, preventing premature connection while maintaining shielding.

Segmented movable arms align the connector laterally to resolve insertion misalignment and provide tactile feedback for secure seating.

A card edge connector uses a terminal holding member with matched thermal expansion to stabilize juxtaposition intervals.

A plug contact set uses a third latching element to fix the connector housing play-free against the printed circuit board edge.

A connector design separates terminal contact and locking positions to optimize spatial alignment within the housing assembly.

A connector lock arm with a pressure receiving portion and detector pressing portion increases the locking margin to maintain connection stability.

Asymmetric port placement in the housing cavity prevents incorrect cable attachments while enabling synchronized multi-unit operation.

Escaping edges on the locking rib redirect force away from links, preventing stress concentration and breakage during assembly.

Alignment slots guide metal contacts into precise positions, preventing damage and improving installation efficiency for artificial Christmas tree tubes.

Transverse grooves in shielding plates receive insulative materials, resolving poor waterproof effects caused by vertical sealing features.

A fitting detection member with a deflection regulator controls lock arm movement between engagement positions.

A preloaded connector latch uses elastic deflection to produce an audible click sound during mating.

Rotating the cover housing visually confirms terminal engagement, preventing electrical shock from hidden connections.

Springs bend and extend beyond tabs to support arms, maintaining electrical connection stability under vibration.

Dual support points on a resilient stopper boost reaction force without enlarging the connector, preventing accidental release.

Three-sided shroud with angled sidewalls engages mating connector hoods to resolve retention force loss in low profile designs.

Separate ground block channels accept drain wires via mechanical interference fits, eliminating soldering to reduce assembly time and cost.

A connector assembly CPA member detects mating via a locking pawl interaction.

A push-pull electrical connector system enables tool-free mating of aircraft cables through integrated locking mechanisms.

A multi-connected connector aligns rear end surfaces flush via length-adjusted positioning parts to simplify structure.

Sequential rib and groove engagement simplifies initial posture adjustment while preventing forced connections.

A detect contact positioned at the receptacle distal end actuates upon plug tip insertion to trigger immediate audio output switching.

Compliance members allow conductors to move in three dimensions, absorbing impact energy during module insertion to resolve alignment precision trade-offs.

Integrating primary and secondary connectors reduces dirt accumulation and electrical short circuit risks in handheld machine tools.

A multi-output power adapter uses a DC-to-DC converter to generate distinct voltage levels for simultaneous device charging.