The principle of Membrane switch

In fact, the professional name of membrane switch is buttons type panel. The name is familiar. The control panel of many devices uses membrane switch, which is widely used in electronic communication, electronic measuring instruments, industrial control, medical equipment, automobile industry, smart toys, household appliances and other fields.

Membrane switch principle 

The membrane switch is a multi-layer structure (plane) (non-locking) key switch composed of a certain elastic insulating material layer, which integrates the functions of keys, indicating elements, instrument panels, etc. The action of the membrane switch is only realized by the vertical spring of the elastic membrane. Although the elastic membrane undergoes millions of times of creep, and the amplitude of creep is very small, only 0.1-0.3MM. In addition to the rationality of material selection, the membrane material can withstand more than one million times of long life without deformation, which determines the durability of the membrane switch.

The membrane switch is characterized by beautiful appearance, long service life, simple structure, convenient installation, good handle and small area, and is widely used in all walks of life, from household appliances to high-tech products, slowly replacing some of the market of touch switch, and occupying a large share in the market.