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How to use the buzzer in life will not break?

The piezoelectric buzzer accompanies us every day, and we may not notice it. Which appliances we use in our daily life buzzer, I will give you an introduction: such as our usual rice cooker, washing machine, electric juicer, air conditioning, etc. are used to buzzer for prompting or alarm sound. Now the buzzer is an important and indispensable part of highly intelligent household appliances. To make the buzzer last longer, the following points should be noted in the process of use.


1. The welding temperature is too high, which will easily lead to the deformation of the buzzer's shell and the loosening of the pins, causing no sound or small sound.


2. The starting voltage of the piezoelectric buzzer is low or large, and the phenomenon of small sound or sandy sound is likely to appear during use.


3. The buzzer is stored for a period of time after the sound small, use a period of time to become normal, this situation may be the buzzer by the impact of the humid environment, need to pay attention to moisture.

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The piezoelectric buzzer accompanies us every day, and we may not notice it. Which appliances we use in our daily life buzzer, I will give you an introduction: such as our usual rice cooker, washing machine, electric juicer, air conditioning, etc. are used to buzzer for prompting or alarm sound. Now the buzzer is an important and indispensable part of highly intelligent household appliances. To make the buzzer last longer, the following points should be noted in the process of use.


1. The welding temperature is too high, which will easily lead to the deformation of the buzzer's shell and the loosening of the pins, causing no sound or small sound.


2. The starting voltage of the piezoelectric buzzer is low or large, and the phenomenon of small sound or sandy sound is likely to appear during use.


3. The buzzer is stored for a period of time after the sound small, use a period of time to become normal, this situation may be the buzzer by the impact of the humid environment, need to pay attention to moisture.


3. Piezoelectric buzzer effect: when some dielectric is deformed by an external force in a certain direction, its internal polarization phenomenon will occur, and at the same time, positive and negative charges will appear on its two opposite surfaces. When the external force is removed, it will return to the uncharged state, this phenomenon is called the positive piezoelectric effect. When the direction of the force changes, the polarity of the charge also changes. On the contrary, when the electric field is applied in the direction of the dielectric polarization, these dielectrics will also be deformed, and after the electric field is removed, the deformation of the dielectric disappears, this phenomenon is called the inverse piezoelectric effect, or called electrostriction phenomenon. This phenomenon is called inverse piezoelectric effect, or electrostriction.


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