Switches can be considered and we often deal with a class of electronic components, there are different varieties of switches on the market, different brands of switches, these switches for our days to bring convenience, here and let's talk about the micro switch, the reason why the name 'micro switch'', because of its switch contact interval is relatively small, perhaps many people are not clear about the details of this type of switch where to use, in fact, the application areas of micro switch is extremely wide and very close to our lives. ', is because of its switch contact interval is relatively small, perhaps many people are not clear about the details of this type of switch where, in fact, the application of the micro switch is extremely wide, but also very close to our lives, we most often contact with the household appliances with the micro switch, and the mouse with the micro switch, which is also widely used in electronic equipment, instruments, mines, electric power systems, as well as It is also widely used in electronic equipment, instrumentation, mining, electric power systems, and aerospace, aviation, ships, missiles, tanks and other military fields, microswitch varieties are also very much, the internal structure of hundreds of kinds, the following are the most common types of microswitches.
1. According to volume, there are common type, small type and ultra-small type; according to protection function, there are waterproof type, dustproof type and explosion-proof type.
2. According to the breaking method, there are single-connection type, double-connection type and multi-connection type. Now there is also a strong disconnecting microswitch (when the reed of the switch does not work, the external force can also make the switch disconnect).
3. According to the breaking capacity, there are common type, DC type, micro-current type and high-current type.
4. According to the application environment, there are common type, high temperature resistant type, super high temperature resistant ceramic type.
Microswitches are generally without auxiliary pressing accessories for the basic type, and derived from a small stroke type, large stroke type. According to the demand can participate in different auxiliary pressing accessories, according to participate in different pressing accessories switch can be divided into button type, reed roller type, lever roller type, short moving arm type, long moving arm type and so on various ways.
Now the micro switch on the domestic market according to the different requirements of the use of the switch mechanical life of 2W times to 1000W times, generally 10W, 20W, 50W, 100W times, 300W times, 500W times, 800W times, the domestic general use of beryllium bronze, tin bronze, stainless steel wire to do the reed, foreign ALPS up to 1,000W times, their reed is made of rare metal titanium. made of rare metal titanium.