Application of thermal bimetal

The alloy layer with a larger expansion coefficient is called the active layer, and the alloy layer with a smaller expansion coefficient is called the passive layer. An intermediate layer for adjusting resistance can be added between the active layer and the passive layer. When the ambient temperature changes, the active layer Different from the expansion coefficient of the passive layer, it bends or rotates.

This alloy is used in temperature control, temperature compensation, current limit, temperature indication and other automatic control devices and thermal components in instruments. It can also be used in circuit breakers, switches, thermal relays, various temperature control components, home appliance protectors, electronic protectors, overload protectors, condensation traps, temperature regulators, thermometers, thermostats, meteorological instruments, electric irons Rice cooker, refrigerator, fire alarm, fluorescent lamp starter, oven, lighter, current type automatic control switch, automatic safety protection switch strip, etc.

It is also used for thermal components in low-voltage electrical appliances such as fluid (gas.

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