History of toggle switches:
Origin and early development
In 1884, British electrical engineer Holmes invented the lighting switch using the “quick break technology”, which laid the foundation for modern switching technology, which overcame the problem of arc generated by the switch contact and greatly extended the service life of the switch.
In 1917, William J. Newton invented the toggle switch on the basis of the “quick break technology”, which was initially mainly used for simple functions such as lighting control and became an important basis for modern lighting switches.
Preliminary application and expansion
Early 20th century: Early toggle switches were mainly used in some simple electronic devices, such as telephone switching systems, for manually selecting telephone lines.
Mid-20th century: With the development of electronic technology, radio, television and other electronic products began to rise, toggle switch is also gradually applied to these devices, used to control the power switch, channel selection and other basic functions.
Technological improvement and diversified development
Material optimization: From the contact material to the shell material are constantly improved, the early use of common metals and plastics, and later the use of copper tin or gold to improve electrical conductivity and corrosion resistance, the shell uses more fire, high temperature resistance, impact resistance engineering plastics, enhanced durability .
Structural innovation: The design is more diversified, there are toggle switches of different sizes, shapes and modes of operation, such as micro toggle switches to meet the needs of small electronic products, horizontal operation and vertical operation toggle switches to meet the requirements of different equipment design and operating habits.
Function enhancement: On the basis of the basic on-off function, the anti-jitter, self-locking, coding and other functions are added. For example, in some industrial control equipment, the toggle switch with self-locking function can maintain the circuit state without continuous external force, increasing the convenience and reliability of use
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