Buzzer Tips You Should Know

A buzzer is a common sound generator that is widely used in electronic devices, alarm systems, timers, and more. Here are some tips about buzzer, to help you know more about this common sound device.

 1. The working principle of buzzer

A buzzer is a piezoelectric ceramic acoustic device whose operating principle is based on the piezoelectric effect. When a voltage is applied, the piezoelectric ceramic crystal undergoes a tiny deformation, creating acoustic fluctuations that emit sound. By controlling the frequency and amplitude of the voltage, the frequency and volume of the sound emitted by the buzzer can be adjusted.

 2. Structure of Buzzer

Buzzer is usually composed of piezoelectric ceramic chip, metal vibration plate, vibration membrane, shell and other parts. The piezoelectric ceramic chip is the core component of the buzzer, which vibrates by applying voltage to produce sound. The metal diaphragm and vibrating membrane are used to transmit the vibration and enhance the sound effect. The shell plays the role of protecting and fixing the internal structure.

3. Features of buzzer

Compact size: Buzzer is usually small in size, suitable for installation in electronic equipment.

Low power consumption: the beeper's power consumption is low, suitable for long time use.

Clear sound: the sound emitted by the buzzer is clear, sharp and easy to be noticed.

Convenient to use: Buzzer is usually controlled by a simple circuit to produce sound, easy to use.

 4. Application areas of buzzer

Electronic devices: buzzer is often used in electronic clocks, mobile phones, home appliances and other equipment, used to remind, alarm and other functions.

Security system: buzzer in the security system to play an alarm role, to remind people to notice the abnormal situation.

Timer: Beeper is used in timer to send out beeps to remind people that the time is up.

Communication equipment: Buzzer is also commonly used in communication equipment, used to alert incoming calls, text messages, etc..

5. Trends of buzzer

With the continuous development of science and technology, the buzzer is also constantly innovating and improving. In the future, the buzzer may be more intelligent, with more functions and a wider range of applications. At the same time, the sound quality and power consumption of buzzer may also be further improved.

Through the above little knowledge, I hope you have a deeper understanding of the buzzer, it is small, but plays an important role in our lives.