The working principle and application of Tongda WEIPENG micro switch
Working principle: A micro switch is a quick switch actuated by pressure, also called a snap switch.
External mechanical force acts on the action reed through transmission elements (press pins, buttons, levers, rollers, etc.), and after accumulating energy to a critical point, it produces instantaneous action, making the moving contact at the end of the action reed and fixed contact Click to quickly turn on or off.
When the force on the transmission element is removed, the action reed produces a reverse action force. When the reverse stroke of the transmission element reaches the critical point of the action of the reed, the reverse action is instantaneously completed.
The contact distance of the micro switch is small, the action stroke is short, the pressing force is small, and the on-off is rapid.
The speed of the moving contact has nothing to do with the speed of the transmission element. The micro switch is based on the pin type, and can be derived from the button short stroke type, button large stroke type, button extra large stroke type, roller button type, reed roller type, lever roller type, short boom type, and long boom type. and many more.
Purpose: Micro switches are used in electronic equipment and other equipment for automatic control and safety protection devices that require frequent circuit switching.
Micro switches are divided into large, medium, and small. According to different needs, they can be divided into waterproof type (used in liquid environment) and ordinary type. The switch connects two lines to provide power on and off control for electrical appliances and machines. Widely used in household appliances, industrial machinery, new energy vehicle charging guns, communication equipment, military products, testing instruments, gas water heaters, floating ball equipment, medical equipment, building automation, power tools and general electrical and radio equipment, 24-hour timing Micro switches are small, but they play an irreplaceable role.
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