What are the advantages of electromagnetic buzzer? What is it like?


What are the advantages of electromagnetic buzzer? What is it like? The advantages of electromagnetic buzzer are as follows: 1. Because there is no single-sided contact, it has a long service life and high reliability. Can be used continuously for more than 10000 hours. 2. No arc, no radio frequency noise, no interference to others. 3. No large vibration caused by loosening. 4. Accept the mastery of electronic circuits and let them produce all kinds of beautiful sounds, simulated sounds, and intermittent sounds. The tone is pure and not easily whitewashed by noise.

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electromagnetic buzzer are used in where?


The electromagnetic buzzer is a kind of buzzer, which is different from the piezoelectric buzzer. The electromagnetic buzzer is an electronic buzzer that uses an electromagnetic coil to act on the buzzer, and is used as a sounding device for electronic products.

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Electromagnetic buzzer related knowledge introduction


The electromagnetic buzzer consists of an oscillator, a solenoid, a magnet, a diaphragm and a housing. After being energized, the audio signal current generated by the oscillator passes through the electromagnetic coil, causing the electromagnetic coil to generate a magnetic field. The diaphragm periodically vibrates under the interaction of the electromagnetic coil and the magnet, thereby emitting sound.

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Passive electromagnetic buzzer


Source electromagnetic buzzer and passive electromagnetic buzzer. The internal structure of the active electromagnetic buzzer is equipped with an oscillation source. As shown in the following figure, if you take a low frequency of BUZZ pin, the electromagnetic buzzer will sound directly. The internal structure of the passive electromagnetic buzzer is no oscillation source

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Electromagnetic buzzer waterproof membrane material is a certain degree of tension


The waterproof membrane material of the electromagnetic buzzer has a certain tension (tensile property), and can effectively control the inner wall of the electromagnetic buzzer under certain external pressure.

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Electromagnetic buzzer test method is introduced in detail


Electromagnetic buzzer test method detailed introduction Figure 1 server test rack 1, brief description Electromagnetic buzzer is an integrated structure of electronic buzzer, the use of AC voltage power supply system, widely used in electronic computers, copiers, printers, alarms, electric toys, vehicle electronic products

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