The Production of Micro Switches
The Waterproof Micro Switches are a contact mechanism having a minute contact interval and a snap action mechanism, and the switch mechanism is operated by a prescribed stroke and a prescribed force, and is covered by a casing, and a switch having a drive rod outside thereof because of the contact pitch of the switch Smaller, hence the name Micro Switch, also known as sensitive switch.
Working Principle
External mechanical force acts on the action through the transmission element (by pin, button, lever, roller, etc.)
Electric Micro Switches
On the reed, when the action reed is displaced to the critical point, an instantaneous action is generated, so that the movable contact at the end of the action reed is quickly turned on or off with the fixed contact.
When the force on the transmission element is removed, the action reed generates a reverse action force, and the reverse action is instantaneously completed when the reverse stroke of the transmission element reaches the critical point of action of the reed. The micro switch has a small contact pitch, a short stroke, a small power, and a quick on/off. The speed of the moving contact is independent of the speed of the transmission element.
2 types of editing
There are many types of Roller Micro Switch, and there are hundreds of kinds of internal structures. They are divided into ordinary type, small size and ultra-small according to the volume. According to the protective performance, there are waterproof type, dustproof type and explosion-proof type. Single type, double type, multiple type. There is also a strong disconnect micro switch (when the reed of the switch does not work, the external force can also make the switch open); according to the breaking capacity, there are common type, DC type, micro current type, large current type. According to the use environment, there are common type, high temperature resistant type (250 ° C), ultra high temperature resistant ceramic type (400 ° C)
The Mini Micro Switches is generally based on the non-assisted press attachment, and is derived from a small stroke type and a large stroke type. Different auxiliary pressing accessories can be added as needed. According to different pressing accessories, the buttons can be divided into button type, reed roller type, lever roller type, short moving arm type and long moving arm type.
Miniature Micro Switch are widely used in electronic equipment, instrumentation, mining, power systems, household appliances, electrical equipment, as well as aerospace, aviation, ships, missiles, etc. in automatic switching and safety protection. Military fields such as tanks have been widely used in the above fields, and the switches are small, but they play an irreplaceable role.
At present, the micro-switches on the market in China have different mechanical lifes ranging from 3W to 1000W, generally 10W, 20W, 50W, 100W, 300W, 500W, and 800W.
