If the shrapnel in the switch is divided into domestic shrapnel and imported shrapnel, the imported shrapnel is better and the price is much higher. According to the material, it can be divided into stainless steel shrapnel and ordinary shrapnel. According to the shape, it can be divided into square shrapnel and circular shrapnel. How to check the quality of shrapnel? The practice gives the truth. Generally, aging test, salt spray test and other practical tests will be carried out. The quality of shrapnel is very important, which can be said to be the key to the quality of touch switch.

 

The light touch switch is an electronic switch, belonging to the category of electronic components. When in use, the pressure is applied to the operating direction of the switch to meet the operating force. The switch function is closed and connected. When the pressure is removed, the switch is disconnected. The internal structure of the switch is realized by the force change of the metal spring piece. The light touch switch is composed of an insert, a base, a spring piece, a button and a cover plate. It can be seen that metal shrapnel plays an important role in the light touch switch.