Thermal Switch Details TRIZ Cases

A transverse connector lets both terminals exit at the same height, simplifying sealing and reducing stress on the temperature-dependent switching element.

A captive bimetal and spring snap-disc assembly protects fragile parts in storage and enables simpler switch assembly with pre-installation testing.

An integrated bimetallic fuse and thermal disconnector lets an SPD carry surge currents yet open short circuits without large external fuses.

Segmented phase-change regions, insulated thermal pillars, and local heaters speed switching while reducing leakage currents and energy use.

Segmented phase-change regions, thermal pillars, and isolated heaters speed RF switching while reducing leakage and power use.

A shape-memory alloy lock keeps a thermal switch open after overheating, preventing shock- or temperature-driven reclosure after cooling.

A bypass heater reroutes current around the bimetal to cut excess heat, reduce shunt forces, and improve circuit breaker trip accuracy.

A sealing ring on the cover seals the switch housing before lead attachment, blocking solder and varnish ingress and simplifying production.

A shape-memory alloy closing lock keeps an overheated temperature switch open after trip, preventing vibration- or cooling-driven reclosure.

An acute-angle terminal and bimetal layout cuts two-step bending while improving abnormal heat detection and limiting normal heat exposure.

Parallel terminal connection lets an electric element span switch contacts while preserving insulation, interruption performance, and OFF-state monitoring.

A floating shaft, clip-on cam, and spring double push travel to 2 mm, meet 4 Nm torque, and prevent cam cracking and terminal yield.

A snap-fit holder replaces glue or tape for mounting a thermal fuse, simplifying assembly while isolating bent leads to prevent false triggering.

A shape-memory alloy lock keeps an overheated switch open after cooling, preventing vibration-driven reclosure and improving circuit safety.

A temperature-dependent switch uses a plunger to transmit compressive and tensile forces between the bimetallic part and spring.

Dynamic terminal members prevent hot spots from restricted volume expansion, ensuring reliable current disruption and self-holding functionality.

A bimetal controller uses segmented elements with opposing thermal expansion coefficients to generate precise switching movements.

Segmented steel and copper layers in a circuit breaker overload release minimize expensive material usage while maintaining rigidity.

Adjustable thermal trip mechanism uses segmented power receiving portions to minimize assembly errors in circuit breakers.

A bimetal snap-action disc and spring disc captively held in an annular frame simplify assembly.

A thermal protector merges the resistor function into a movable plate's narrow-width part to eliminate separate components.

Segmenting a bimetal plate into narrow and wide sections allows one component to provide dual current ratings, reducing inventory complexity.

An additional sheathing bonds to the plastic cable sheath and bushing, creating a hermetic seal that prevents aggressive media ingress into the switch.

Cam lever rotates plug and circuit bodies while elastic arm biases fuse against cover to prevent rattling under vibration.

A temperature-dependent switch uses a circumferential cutting burr on a sealing ring to penetrate the insulating foil.

Movable contact carrier shaft rotates directly to re-engage the bimetallic compensation strip without intermediate rods.

Tapered edge chamfer on plate-shaped carrier redirects laser beam for crack-free aluminum welds, eliminating air gaps and manual fastening.

An integrated temperature limiter merges the power-receiving terminal and bimetal sheet to prevent component displacement.

Replacing epoxy bonding, this mechanical clamp system minimizes heater element movement to prevent calibration drift caused by contamination.

An arc-shielding plate covers the spring part of a temperature-dependent switch to divert arcs, extending life from 2,500 to 6,000 cycles at high current.

A temperature-dependent switch uses a spring washer to mechanically lock the current transfer member.

A surface-mount protective device uses coplanar electrodes on a resin base to enable direct board integration.

Teflon-coated brass disc seat lowers friction to stabilize temperature set point against wear drift in thermal switches.

A segmented breaker housing uses a protrusion system to secure the cover piece, reducing overall thickness while maintaining structural rigidity.

A linear terminal temperature switch uses a bimetal element to actuate contacts for current control.

Segmented spring base and switching spring prevent overpressing while maintaining compact rod controller design.

A steel shielding pot covers the switch base to block electromagnetic fields, preventing contact arcing without increasing housing complexity.

Radially extending slots in the insulating film edge region eliminate waviness and prevent liquid ingress during bending.

Insulating housing blocks thermal radiation between bimetal strips, eliminating welding and improving manufacturing precision.

A bimorph beam projects a conductive layer through an aperture to form a defined contact area on the suspended structure.

Segmented cup cap allows automated lead soldering to temperature-dependent switches, preventing lug damage during assembly.

A phase-change material distributed switch uses resistive heating to toggle conductivity states.

Segmenting the switching mechanism allows pre-assembly testing of components, reducing production costs and rejects.

A rod thermostat safety lever uses a bimetallic rod to open electric contacts, preventing contact seizure caused by slow expansions or misalignments.

Uneven edges on the snap-action disc cause rotation, distributing wear and extending service life under high-current switching operations.

Magnetostrictive materials deform under magnetic fields to bias MEMS contacts, resolving insufficient contact force in miniaturized reed switches.

Adjustable gap member compensates for assembly errors to minimize overcurrent scatter and enhance trip reliability.

A ceramic material changes thermal conductivity based on temperature to act as a self-regulating thermal switch.