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6*6 DIP Tact Switches' Description
The light touch switch is a magnetic adsorption travel switch operated by a very small and very flexible spring. Light touch switch is a thin contact distance and fast moving arrangement, with the rule of travel and the rule of the force of the switch action contact arrangement, covered by the shell, its external drive rod of a switch, because the switch contact distance is relatively small, so the name of light touch switch, also called active switch. Electrical text symbol: SM
Use of the 6*6 tap switch
Touch switch in the need to repeatedly change the circuit of the equipment for automatic control and safety protection, widely used in electronic equipment, instrumentation, mining, power system, household appliances, electrical equipment, as well as aerospace, aviation, ships, missiles, tanks and other military fields, Wuxi City different switching electrical appliances Co., Ltd. variety is now widely used in the above fields, although the switch is small, But it has no substitute effect. Now the tap switch on the domestic market according to the different application requirements, the mechanical life of the switch is 3W 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 as a reed, Foreign ALPS can do up to 1000W, their reed is made of rare metal titanium.
Classification of light touch switches
The variety of light touch switch is complex, there are hundreds of internal structures, according to the volume of ordinary type, small, ultra-small; According to the protection function, there are waterproof, dustproof, explosion-proof type; According to the breaking method, there are single link type, double link type and multiple link type. Now there is a strong disconnect light touch switch (when the reed of the switch does not work, external force can also make the switch off); According to the breaking talent points, there are ordinary type, DC type, micro current type, large current type. According to the application environment, there are ordinary type, high temperature resistant type (250 ° C), ultra-high temperature resistant ceramic type (400 ° C) light touch switches generally take the root type without auxiliary pressing accessories, and derived small stroke type and large stroke type. According to the need to participate in different auxiliary press accessories, according to the different press auxiliary switch can be divided into button type, reed roller type, lever roller type, short boom type, long boom type and other methods.
Principle of light touch switch
External mechanical force through the transmission element (press the pin, button, lever, roller, etc.) the force effect on the action reed, when the action reed displacement to the critical point to produce instantaneous action, so that the end of the action reed and the fixed contact quickly connected or disconnected.
When the effect force on the transmission element is removed, the action reed produces reverse action force, and when the reverse stroke of the transmission element reaches the action critical point of the reed, the reverse action ends instantaneously. The contact distance of the tap switch is small, the action stroke is short, the power is small, and the network is activated on and off. The operating speed of the moving contact has nothing to do with the operating speed of the transmission element.
The light touch switch has a thin contact distance and quick action arrangement, and the contact arrangement of the switching action with a regular stroke and force is covered by the shell, and the external transmission is provided, and the shape is small. The following is an example of a typical tap switch structure. The touch switch is composed of five major components.
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