Working principle of the push button switch
The operating force of the key switch is related to the state of the reed. The starting force is directly proportional to the compression distance of the reed. When the reed is compressed to 5% – 70%, the operating force suddenly decreases, accompanied by a “ticking” sound. There are generally two structures of turtle rubber switch. The operating force curve varies greatly with the geometry of the rubber block.
Relative humidity: < 95%
Rated voltage: 12V
Rated current: 50mA
Temperature: – 25 ~ 70 ℃
Usage ofthe push button switch
Key switches are mainly used for color TV sets, black-and-white TV sets, audio equipment, video recorders, video cameras, computers, game consoles, fax machines, walkie talkies, batons, machine tool control devices, copying, printers, electronic instruments, meters and other household appliances.
The reason why the button switch is not sensitiveThe key switch refers to a switch that uses a button to push the transmission mechanism to make the moving contact and the static contact press or disconnect and realize the circuit changeover. In electrical automatic control circuits, it is used to manually send control signals to control contactors, […]
Push button light switches are usually safe under normal use conditions. The following analyzes their safety from multiple angles and provides relevant suggestions: 1. Safety analysis Design and structure: Mechanical structure: Push button switches usually use springs or lever mechanisms to open and close, and the design avoids the risk of electric shock. Its shell is mostly made […]
Precautions for using button switchesThere is a big difference between the button switch capabilities in AC and DC circuits, and the control capacity is very low in DC applications. This is mainly because DC does not have a zero point like AC, so it is difficult to eliminate the arc once it occurs, and the arc […]
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