1241.6621.1180000

Pushbutton switches are a type of switch which utilizes a plunger that, when pushed, is able to make or break electrical contacts. These are widely used as simple on/off switches, or as part of logic circuits, such as timers and counters or complex building automation systems. Understanding their application field and working principle is important for engineers in the development of any system design.

Application Field

Pushbutton switches are used in a variety of applications, from commercial, industrial and military to consumer electronics. They are used to control industrial machinery and deliver high power interference, such as in circuit breakers, starters and mixers in military applications, to consumer appliances, such as garage door openers, alarm systems and counter-top kitchen appliances. They may also be used in remote control systems, such as remote control cars, as well as remote control valves and actuators.

Working Principle

Pushbutton switches are composed of two metal parts: a plunger and a contact surface. When the plunger is pushed downward to make contact, the current flow is interrupted or allowed to flow, depending on the type of switch. There are two main types of pushbutton switches: momentary switches, which require pressure to be continually applied to achieve the desired effect, and continuous pressure switches, which activate when the plunger is pushed and remain active until the plunger is released. These switches can be found with several contact configurations, such as single pole, double pole and triple pole.

Momentary switches are used to temporarily activate a circuit. They are commonly used with microprocessor systems to allow the user to input data or control the system. The user pushes the plunger and the information is sent to the system, either by breaking the contact or reducing the contact distance. Continuous pressure switches are often used to control high-power industrial machinery, as they can be designed to operate on extended periods of time. In addition, they can be used to control lights, pumps and other appliances.

Pushbutton switches come in a variety of sizes and shapes, from simple two-button switches to sophisticated sensing switches. Pushbutton switches are available with a wide range of options, including tactile feedback, sealed enclosures, and multiple contact configurations. Pushbutton switches can also be customized to align with specific application requirements.

Conclusion

Pushbutton switches are a versatile type of switch and are used in many applications. Knowing the application field and working principle of pushbutton switches is important for system development. Understanding the pushbutton switch will ensure that the switch meets performance requirements and is compatible with the specific application. With their numerous options, pushbutton switches offer an innovative way to control and manipulate a variety of systems.