22mm LED Metal 12V Buzzer Warning Indicator Ring Lights

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12v buzzer-Push Button Switch Wiring Method: 

In electrical circuits, how you wire a 12v buzzer  push-button switch can affect not only the operation of the switch itself but also connected devices. Here, we explain two different circuit configurations for a push-button switch, focusing on LED indicators and device operation.

Customization Advantages of FILN 12v buzzer Push Button

The FILN  push button switch is a versatile product that can be customized according to the needs of different customers. This flexibility opens up an array of advantages for users, making it a sought-after component in various applications.

hy Customization is Important for 22mm LED Metal 12V Buzzer?

Customization is not just a luxury but a necessity in the ever-competitive market. Manufacturers are under constant pressure to provide products that meet specific customer needs. In the case of the FILN 22mm LED Metal 12V Buzzer, customization has a significant impact in terms of functionality, aesthetics, and adaptability.

1. Industry requirements differ: Different sectors have different requirements for push button switches. For example, the medical industry might require switches that are easily sterilizable, while the automotive industry may need switches that can withstand harsh conditions.

2. Consumer Preferences: End-users may prefer specific symbols or lights that make the switches easier to use or identify, enhancing the user experience.

3. Technological Advances: As technology progresses, the requirement for switches also changes. Customization ensures that the product remains relevant.

FILN’s commitment to customization offers not just product variety but also competitive advantage. Whether it’s custom symbols, voltages, or connectors, the FILN 22mm LED Metal 12V Buzzer can be tailored to meet the unique demands of your project, making it a smart choice for a multitude of applications.

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What is a 12V Buzzer?

A 12V buzzer is an electronic component that produces an audible sound when powered with a 12-volt direct current (DC) power supply. Buzzer components are commonly used in various applications to provide audio alerts, notifications, or warnings.

The buzzer typically consists of an electromechanical transducer that converts electrical energy into mechanical vibrations, which then produce the audible sound. Inside the buzzer, there’s usually a coil of wire and a diaphragm or a small piece of metal that vibrates rapidly when the current flows through the coil. These vibrations create the buzzing or beeping sound that we hear.

The 12V rating indicates the voltage at which the buzzer is designed to operate optimally. It means that the buzzer requires a 12V DC power source to function correctly. These types of buzzers are commonly used in automotive applications, security systems, electronic devices, and other projects where a 12V power supply is readily available.

Difference Between Metal Buzzer and Netal Pushbutton Switches

The key difference between a metal 12V buzzer and a metal button switch lies in their functionality, despite their similar cylindrical shape and metal casing with an LED ring that lights up when powered. The metal 12V buzzer is an electronic component designed to produce an audible sound when powered with a 12V direct current (DC) supply. It contains an electromechanical transducer that converts electrical energy into mechanical vibrations, creating the buzzing or beeping sound.

On the other hand, the metal button switch serves as a control device used to open or close an electrical circuit manually. When pressed, the switch completes the circuit, allowing current to flow and activating the connected electrical device or system.

In summary, the metal 12V buzzer is designed to emit an audible sound when powered, while the metal button switch acts as a control interface for electrical circuits.

Please note that the above description highlights the differences between these two components, emphasizing their functionalities and uses.

Introduction of a 12V Buzzer:

A 12V buzzer is an electronic device with an integrated structure designed to emit an audible sound when powered by a direct current (DC) voltage supply. It finds widespread application in various electronic products, including computers, printers, copiers, alarms, electronic toys, automotive electronic equipment, telephones, and timers, where it serves as a sounding device for alerting or notification purposes.

There are two primary types of buzzers: piezoelectric 12V buzzers and electromagnetic buzzers.

1. Piezoelectric 12V Buzzer: This type of buzzer utilizes the piezoelectric effect to generate sound. When voltage is applied to a piezoelectric material, it deforms and produces vibrations that generate the audible sound.
2. Electromagnetic 12V Buzzer: In contrast, electromagnetic 12V buzzers operate by utilizing an electromagnet and a diaphragm. When current flows through the electromagnet, it attracts the diaphragm, causing it to vibrate and produce sound.

The circuit symbol used to represent a 12V buzzer in electronic circuits may vary but is often represented with letters such as “BZ,” “BUZ,” or other similar symbols, depending on the design standards or conventions.

In summary, 12V buzzers are versatile components extensively employed in a wide range of electronic applications to provide audible alerts and signals when powered by a 12V DC voltage source.

Structural Principle of a 12V Buzzer:

1. Piezoelectric 12V Buzzer: The piezoelectric 12V buzzer consists of several key components: a multivibrator, a piezoelectric buzzer, an impedance matcher, a resonance box, and a shell. Some piezoelectric 12V buzzers may also include light-emitting diodes (LEDs).

The multivibrator, often built using transistors or integrated circuits, generates an audio signal with a frequency of 1.5 to 25 kHz when powered by a 1.5 to 15V DC voltage. This audio signal is then passed to the impedance matcher, which drives the piezoelectric buzzer to produce sound.

The piezoelectric buzzer is constructed using lead zirconate titanate or lead magnesium niobate piezoelectric ceramic material. Silver electrodes are plated on both sides of the ceramic sheet. After polarization and aging treatment, the ceramic sheet is bonded to a brass or stainless steel sheet.

2. Electromagnetic 12V Buzzer: The electromagnetic 12V buzzer comprises an oscillator, an electromagnetic coil, a magnet, a vibrating diaphragm, and a shell.

When powered on, the oscillator generates an audio signal current that flows through the electromagnetic coil, creating a magnetic field. The vibrating diaphragm then undergoes periodic vibrations due to the interaction between the electromagnetic coil and the magnet, producing sound.

Working principle of conventional passive electromagnetic 12V buzzer: The AC signal passing through the wire wrapped around the core column of the support generates an alternating magnetic flux. This flux combines with the constant magnetic flux of the magnetic ring, causing the diaphragm (typically made of molybdenum sheet) to vibrate at the AC signal’s given frequency. The resonant cavity of the shell enhances the sound production.

The response curve and sound pressure of the entire frequency range depend on various factors, including the natural vibration frequency of the diaphragm (related to its thickness), the shell’s frequency (Helmholtz resonance acoustic cavity), and the diameter of the magnetic enameled wire in the magnetic ring.

In summary, both piezoelectric and electromagnetic 12V buzzers utilize different principles to convert electrical signals into audible sound, making them essential components for various electronic applications.