Touch switch manufacturers introduce you to what is touch switch? The tap switch, also known as the key switch, first appeared in Japan [called: sensitive switch] when used to meet the conditions of the operating force to the switch operating direction pressure switch function closed on, when the pressure is removed the switch is disconnected, its internal structure is dependent on the metal shrapnel force change to achieve the on-off.
The touch switch is composed of: insert, base, shrapnel, button and cover plate. The waterproof touch switch adds a layer of polyimide film on the shrapnel (as shown).
The tap switch has the advantages of small contact resistance charge, accurate operating force error, diversified specifications, etc. It is widely used in electronic equipment and white goods, such as: video and audio products, digital products, remote controls, communication products, household appliances, security products, toys, computer products, fitness equipment, medical equipment, banknotes, laser pen keys and so on. Because the tap switch on the environmental conditions (pressure is less than 2 times the elastic/ambient temperature and humidity conditions and electrical performance) large equipment and high-load buttons are used conductive rubber or pan switch hardware shrapnel directly to replace, such as medical equipment, TV remote control and so on.
About the foot position of the five-pin tap switch: the two pins are in a group, and the four pins are conductive when the switch body is correctly pressed, and the fifth pin is grounded.
Touch switch is the fourth generation of switch products developed with the requirements of the development of electronic technology, the earliest volume of 12mmx12mm, 8mm and 8mm two, now 6mm under 6om. Product structure has three kinds of vertical, horizontal and horizontal with ground end, and now there are two types of combined (3M, 4M, SM, 6M, SM) and potentiometer tap switch combination, to meet the requirements of various domestic electronic products. The installation size is 6.smm fire 4.5mm, 5.5mm and 4mm and 6mm and 4mm three. Foreign countries have 4.5mm and 4.5mm small light touch switch and chip light touch switch, chip light touch switch suitable for surface assembly. At present, the use of conductive rubber switches is also popular.
Now there is a fifth generation switch - film switch, the function is the same as the touch switch, mainly used in electronic instruments and CNC machine tools, but the resistance is large and the feel is poor. In order to overcome the phenomenon of poor hand feel, there is also a contact reed installed in the film switch instead of using a silver layer as a contact point.
